Modulation processing method and device

US 9,794,022 B2
Filed: 10/30/2013
Issued: 10/17/2017
Est. Priority Date: 01/18/2013
Status: Active Grant

First Claim

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1. A coding and modulation processing method, wherein, the method comprises:

a base station transmitting a high-layer configuration signaling to a user equipment (UE), wherein the high-layer configuration signaling is used to indicate whether to support a high-order Quadrature Amplitude Modulation (QAM) modulation scheme, and the high-order QAM modulation scheme is a modulation scheme of M QAM, wherein M is a number greater than 64;

wherein, after the base station transmits the high-layer configuration signaling, the method further comprises;

the base station receiving channel state information of the UE, wherein the channel state information at least comprises channel quality indication (CQI) information, and when the high-layer configuration signaling indicates not supporting the high-order QAM modulation scheme, the CQI information is obtained based on a first CQI table which does not support the high-order QAM modulation scheme, and when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme, the CQI information is obtained based on a second CQI table which supports the high-order QAM modulation scheme.

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Abstract

A modulation processing method, a UE and a base station are disclosed; wherein, the base station transmits a high-layer configuration signaling to the UE, wherein the high-layer configuration signaling is used to indicate whether to support a high-order Quadrature Amplitude Modulation (QAM) modulation scheme, wherein the high-order QAM modulation scheme is a modulation scheme of M QAM, wherein M is a number greater than 64. With a high-layer configuration signaling indicating whether to support the high-order QAM, the high-order QAM modulation scheme is supported on the basis of being compatible with existing wireless transmission networks, and the peak data rate and the spectral efficiency are improved

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44 Claims

1. A coding and modulation processing method, wherein, the method comprises:
- a base station transmitting a high-layer configuration signaling to a user equipment (UE), wherein the high-layer configuration signaling is used to indicate whether to support a high-order Quadrature Amplitude Modulation (QAM) modulation scheme, and the high-order QAM modulation scheme is a modulation scheme of M QAM, wherein M is a number greater than 64;
  
  wherein, after the base station transmits the high-layer configuration signaling, the method further comprises;
  
  the base station receiving channel state information of the UE, wherein the channel state information at least comprises channel quality indication (CQI) information, and when the high-layer configuration signaling indicates not supporting the high-order QAM modulation scheme, the CQI information is obtained based on a first CQI table which does not support the high-order QAM modulation scheme, and when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme, the CQI information is obtained based on a second CQI table which supports the high-order QAM modulation scheme.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
- - 2. The method of claim 1, wherein, the high-layer configuration signaling is newly added.
  - 3. The method of claim 1, wherein:
    - a code rate value r corresponding to a last combination of modulation and code rate in the second CQI table is a real number between 0.92 and 0.96.
  - 4. The method of claim 1, wherein:
    - the first CQI table is a 4-bit CQI table in Long Term Evolution (LTE) Release 8;
      
      the second CQI table is formed with one of the following modes;
      
      mode A1;
      
      the CQI in the second CQI table has 16 values, that is, the CQI is represented by 4 bits, except L2 combinations of modulation scheme and code rate, L1 combinations of modulation scheme and code rate in the first CQI table in turn work as first L1 combinations of modulation and code rate in the second CQI table, and next L2 combinations of modulation scheme and code rate in the second CQI table are combinations of M QAM and code rate;
      
      L1 and L2 are positive integers greater than 1, and L1+L2=15, and M is a number greater than 64;
      
      or, mode A2;
      
      the CQI in the second CQI table has 16 or 32 values, any combination of modulation scheme and code rate in the second CQI table is different from all combinations of modulation scheme and code rate in the first CQI table;
      
      alternatively, a first combination of modulation scheme and code rate in the second CQI table is same as a k-th combination of modulation scheme and code rate in the first CQI table, and other combinations of modulation scheme and code rate in the second CQI table are different from all combinations of modulation scheme and code rate in the first CQI table, k is a positive integer between 1 and 5;
      
      or, mode A3;
      
      the CQI in the second CQI table has 32 values, first 13, 14 or 15 combinations in odd-numbered combinations of modulation scheme and code rate in the second CQI table are combinations of modulation scheme and code rate in the first CQI table.
  - 5. The method of claim 1, wherein, the mode A1 comprises a mode A11 or a mode A12, wherein:
    - the mode A11 comprises that;
      
      except first L2′
      
      combinations of modulation scheme and code rate, L1′
      
      combinations of modulation scheme and code rate in the first CQI table in turn work as the first L1′
      
      combinations of modulation scheme and code rate in the second CQI table, and next L2′
      
      combinations of modulation scheme and code rate in the second CQI table are combinations of M QAM and code rate;
      
      the mode A12 comprises that;
      
      except first L2′
      
      even-numbered combinations of modulation and code rate or odd-numbered combinations of modulation and code rate, L1′
      
      combinations in the first CQI table in turn work as the first L1′
      
      combinations in the second CQI table, last L2′
      
      combinations of modulation scheme and code rate in the second CQI table are combinations of M QAM and code rate;
      
      wherein, in the first CQI table, the odd-numbered combinations of modulation scheme and code rate refer to a set of 1^st, 3^rd, 5^th, 7^th, 9^th, 11^thand 13^thcombinations of modulation scheme and code rate, the even-numbered combinations of modulation scheme and code rate refer to a set of 2^nd, 4^th, 6^th, 6^th, 10^th, 12^th, 14^thcombinations of modulation scheme and code rate,wherein, M is a number greater than 64, L1′ and
      
      L2′
      
      are positive integers greater than 1.
  - 6. The method of claim 1, wherein, after the base station transmits the high-layer configuration signaling, the method further comprises:
    - the base station transmitting a downlink control signaling to the UE, wherein the downlink control signaling at least comprises a modulation and coding scheme field (I_MCS), when the high-layer configuration signaling indicates not supporting the high-order QAM modulation scheme, then the modulation and coding scheme field (I_MCS) being determined based on a first modulation and transport block size (TBS) index table which does not support the high-order QAM modulation scheme;
      
      when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme, in combination with predefined information, determining whether the modulation and coding scheme field (I_MCS) is determined based on a second modulation and TBS index table which supports the high-order QAM.
  - 7. The method of claim 6, wherein:
    - the predefined information is at least one of the following;
      
      a search space, a downlink control information format, a Cyclic Redundancy Check (CRC) scrambling mode corresponding to the downlink control information.
  - 8. The method of claim 6, wherein:
    - the predefined information is the search space, and predefines that;
      
      when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme and it is in a public search space, the modulation and coding scheme field (I_MCS) is determined based on the first modulation and transport block size (TBS) index table which does not support the high-order QAM modulation scheme;
      
      when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme and it is in a UE-specific search space, the modulation and coding scheme field (I_MCS) is determined based on the second modulation and transport block size (TBS) index table which supports the high-order QAM modulation scheme;
      
      or, the pre-defined information is the search space and the CRC scrambling mode corresponding to the downlink control information, and predefines that;
      
      when the high-order configuration signaling indicates supporting the high-order QAM modulation scheme and a Semi-Persistent Scheduling (SPS) Cell Radio Network Temporary Identifier (C-RNTI) scrambles CRC in the public search space or in the UE-specific search space, the modulation and coding scheme field (I_MCS) is determined based on the first modulation and transport block size (TBS) index table which does not support the high-order QAM modulation scheme;
      
      when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme and the C-RNTI scrambles the CRC in the UE-specific search space, the modulation and coding scheme field) is determined based on the second modulation and transport block size (TBS) index table which supports the high-order QAM modulation scheme.
  - 9. The method of claim 6, wherein, the predefined information is the downlink control information format and predefines that:
    - when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme and the downlink control information format is a format which is predefined as supporting the high-order QAM modulation scheme, then the modulation and coding scheme field (I_MCS) is determined based on the second modulation and transport block size (TBS) index table which supports the high-order QAM modulation scheme, when the high-layer configuration signaling indicates not supporting the high-order QAM modulation scheme or the downlink control information format is a format which is predefined as not supporting the high-order QAM modulation scheme, the modulation and coding scheme field (I_MCS) is determined based on the first modulation and transport block size (TBS) index table which does not support the high-order QAM modulation scheme.
  - 10. The method of claim 6, wherein:
    - the first modulation and TBS index table is a 5-bit modulation and TBS index table in LTE Release 8;
      
      the second modulation and TBS index table is formed with one of the following modes;
      
      mode B1 ;
      
      there are 32 values in the second modulation and TBS index table, that is, a modulation and coding scheme (MCS) index is represented by 5 bits, except L2 combinations of modulation scheme and TBS index, L1 combinations in the first modulation and TBS index table in turn work as first L1 combinations in the second modulation scheme and TBS index table, next L2-1 combinations just following the first L1 combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, TBS indexes of last L3 combinations in the second modulation and TBS index table are default;
      
      L1, L2 and L3 are positive integers greater than 1, and L1+L2+L3−
      
      1=32, and M is a number greater than 64;
      
      or, mode B2;
      
      there are 32 or 64 values in the second modulation and TBS index table, any combination of modulation scheme and TBS index in the second modulation and TBS index table is different from all combinations of modulation and TBS index in the first modulation and TBS index table;
      
      or, a first combination of modulation scheme and TBS index in the second modulation and TBS index table is same as a k-th combination in the first modulation and TBS index table, and TBS indexes of last four combinations in the second modulation and TBS index table are default, and others are different, k is a positive integer between 1 and 5;
      
      or, mode B3;
      
      there are 64 values in the second modulation and TBS index table, first l odd-numbered or even-numbered combinations of modulation and TBS index in the second modulation and TBS index table are combinations of modulation and TBS index in the first modulation and TBS index table, where l is a positive integer between 20 and 29.
  - 11. The method of claim 10, wherein:
    - the mode B1 comprises a mode B11, a mode B12, a mode B13 or a mode B14, wherein;
      
      the mode B11 comprises that;
      
      except first L2′
      
      combinations of modulation and TBS index, L1′
      
      combinations in the first modulation and TBS index table in turn work as the first L1′
      
      combinations in the second modulation scheme and TBS index table, next L2′
      
      -1 combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, the TBS indexes of the last L3′
      
      combinations in the second modulation and TBS index table are default;
      
      L1′
      
      , L2′ and
      
      L3′
      
      are positive integers greater than 1, and M is a number greater than 64;
      
      the mode B12 comprises that;
      
      except first L2′
      
      combinations in even-numbered combinations of modulation and TBS index or odd-numbered combinations of modulation and TBS index, L1′
      
      combinations in the first modulation scheme and TBS index table in turn work as the first L1′
      
      combinations in the second modulation and TBS index table, and next L2′
      
      -1 combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, the TBS indexes of the last L3′
      
      combinations in the second modulation and TBS index table are default;
      
      L1′
      
      , L2′ and
      
      L3′
      
      are positive integers greater than 1, and M is a number greater than 64;
      
      wherein, in the first modulation and TBS index table, the odd-numbered combinations of modulation and TBS index refer to a set of 1^st, 3^rd, 5^th, . . . , 27^th, 29^thcombinations of modulation and TBS index, the even-numbered combinations of modulation and TBS index refer to a set of 2^nd, 4^th, 6^th, . . . , 28^thcombinations of modulation and TBS index;
      
      the mode B13 comprises that;
      
      except first L2′
      
      -2 combinations, one of 10^thand 11^thcombinations, and one of 17^thand 18^thcombinations, L1′
      
      combinations of modulation and TBS index in the first modulation and TBS index table in turn work as the first L1′
      
      combinations in the second modulation and TBS index table, next L2′
      
      -1 combinations following the first L1′
      
      combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, and the TBS indexes of the last L3′
      
      combinations in the second modulation and TBS index table are default;
      
      L1′
      
      , L2′ and
      
      L3′
      
      are positive integers greater than 1, and M is a number greater than 64;
      
      the mode B14 comprises that;
      
      except first L2′
      
      -2 combinations, one of 10^thand 11^thcombinations, and one of 17^thand 18^thcombinations in even-numbered combinations of modulation and TBS index or odd-numbered combinations of modulation and TBS index, L1′
      
      combinations of modulation and TBS index in the first modulation and TBS index table in turn work as the first L1′
      
      combinations in the second modulation and TBS index table, next L2′
      
      -1 combinations following the first L1′
      
      combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, and the TBS indexes of the last L3′
      
      combinations in the second modulation and TBS index table are default;
      
      L1′
      
      , L2′ and
      
      L3′
      
      are positive integers greater than 1, and M is a number greater than 64.

12. A coding and modulation processing method, comprising:
- a UE receiving a high-layer configuration signaling transmitted by a base station, wherein the high-layer configuration signaling is used to indicate whether to support a high-order Quadrature Amplitude Modulation (QAM) modulation scheme, wherein the high-order QAM modulation scheme is a modulation scheme of M QAM and M is a number greater than 64;
  
  wherein, after the UE receives the high-layer configuration signaling, the method further comprises;
  
  the UE transmitting channel state information to the base station, wherein the channel state information at least comprises channel quality indication (CQI) information, and when the high-layer configuration signaling indicates not supporting the high-order QAM modulation scheme, the CQI information is obtained based on a first CQI table which does not support the high-order QAM modulation scheme, and when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme, the CQI information is obtained based on a second CQI table which supports the high-order QAM modulation scheme.
- View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
- - 13. The method of claim 12, wherein, the high-layer configuration signaling is newly added.
  - 14. The method of claim 12, wherein:
    - when the modulation scheme of a last combination in the second CQI table is 256QAM, a code rate value r corresponding to the 256QAM is a real number between 0.92 and 0.96.
  - 15. The method of claim 12, wherein:
    - the first CQI table is a 4-bit CQI table in LTE Release 8;
      
      the second CQI table is formed with one of the following modes;
      
      mode A1;
      
      the CQI in the second CQI table has 16 values, that is, the CQI is represented by 4 bits, except L2 combinations of modulation scheme and code rate, L1 combinations of modulation scheme of code rate in the first CQI table in turn work as first L1 combinations of modulation and code rate in the second CQI table, and next L2 combinations of modulation scheme and code rate in the second CQI table are combinations of M QAM and code rate;
      
      L1 and L2 are positive integers greater than 1, and Ll+L2=15, and M is a number greater than 64;
      
      or, mode A2;
      
      the CQI in the second CQI table has 16 or 32 values, any combination of modulation scheme and code rate in the second CQI table is different from all combinations of modulation scheme and code rate in the first CQI table;
      
      alternatively, a first combination of modulation scheme and code rate in the second CQI table is same as a k-th combination of modulation scheme and code rate in the first CQI table, and other combinations of modulation scheme and code rate in the second CQI table are different from all combinations of modulation scheme and code rate in the first CQI table, k is a positive integer between 1 and 5;
      
      or, mode A3;
      
      the CQI in the second CQI table has 32 values, first 13, 14 or 15 combinations in odd-numbered combinations of modulation scheme and code rate in the second CQI table are combinations of modulation scheme and code rate in the first CQI table.
  - 16. The method of claim 15, wherein, the mode A1 comprises a mode A11 or a mode A12, wherein:
    - the mode A11 comprises that;
      
      except first L2′
      
      combinations of modulation scheme and code rate, L1′
      
      combinations of modulation scheme and code rate in the first CQI table in turn work as the first L1′
      
      combinations of modulation scheme and code rate in the second CQI table, and next L2′
      
      combinations of modulation scheme and code rate in the second CQI table are combinations of M QAM and code rate;
      
      the mode A12 comprises that;
      
      except first L2′
      
      even-numbered combinations of modulation and code rate or odd-numbered combinations of modulation and code rate, L1′
      
      combinations in the first CQI table in turn work as the first L1′
      
      combinations in the second CQI table, last L2′
      
      combinations of modulation scheme and code rate in the second CQI table are combinations of M QAM and code rate;
      
      wherein, in the first CQI table, the odd-numbered combinations of modulation scheme and code rate refer to a set of 1^st, 3^rd, 5^th, 7^th, 9^th, 11^thand 13^thcombinations of modulation scheme and code rate, the even-numbered combinations of modulation scheme and code rate refer to a set of 2^nd, 4^th, 6^th, 8^th, 10^th, 12^th, 14^thcombinations of modulation scheme and code rate,wherein, M is a number greater than 64, L1′ and
      
      L2′
      
      are positive integers greater than 1.
  - 17. The method of claim 12, wherein, after the UE receives the high-layer configuration signaling, the method further comprises:
    - the UE receiving a downlink control signaling transmitted by the base station, wherein the downlink control signaling at least comprises a modulation and coding scheme field (I_MCS) when the high-layer configuration signaling indicates not supporting the high-order QAM modulation scheme, then the modulation and coding scheme field (I_MCS) being determined based on a first modulation and transport block size (TBS) index table which does not support the high-order QAM modulation scheme;
      
      when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme, in combination with predefined information, determining whether the modulation and coding scheme field (I_MCS) is determined based on a second modulation and TBS index table which supports the high-order QAM modulation scheme.
  - 18. The method of claim 17, wherein:
    - the predefined information is at least one of the following;
      
      a search space, a downlink control information format, a Cyclic Redundancy Check (CRC) scrambling mode of downlink control information.
  - 19. The method of claim 17, wherein:
    - the predefined information is a search space, and predefines that;
      
      when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme and it is in a public search space, the modulation and coding scheme field (I_MCS) is determined based on the first modulation and transport block size (TBS) index table which does not support the high-order QAM modulation scheme;
      
      when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme and it is in a UE-specific search space, the modulation and coding scheme field (I_MCS) is determined based on the second modulation and transport block size (TBS) index table which supports the high-order QAM modulation scheme;
      
      or, the pre-defined information is the search space and the CRC scrambling mode corresponding to a downlink control information, and predefines that;
      
      when the high-order configuration signaling indicates supporting the high-order QAM modulation scheme and a Semi-Persistent Scheduling (SPS) Cell Radio Network Temporary Identifier (C-RNTI) scrambles CRC in the public search space or in the UE-specific search space, the modulation and coding scheme field (I_MCS) is determined based on the first modulation and transport block size (TBS) index table which does not support the high-order QAM modulation scheme;
      
      when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme and the C-RNTI scrambles the CRC in the UE-specific search space, the modulation and coding scheme field (I_MCS) is determined based on the second modulation and transport block size (TBS) index table which supports the high-order QAM modulation scheme.
  - 20. The method of claim 17, wherein, the predefined information is a downlink control information format and predefines that:
    - when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme and the downlink control information format is a format which is predefined as supporting the high-order QAM modulation scheme, then the modulation and coding scheme field (I_MCS) is determined based on the second modulation and transport block size (TBS) index table which supports the high-order QAM modulation scheme, when the high-layer configuration signaling indicates not supporting the high-order QAM modulation scheme or the downlink control information format is a format which is predefined as not supporting the high-order QAM modulation scheme, the modulation and coding scheme field (I_MCS) is determined based on the first modulation and transport block size (TBS) index table which does not support the high-order QAM modulation scheme.
  - 21. The method of claim 17, wherein:
    - the first modulation and TBS index table is a 5-bit modulation and TBS index table in LTE Release 8;
      
      the second modulation and TBS index table is formed with one of the following modes;
      
      mode B1 ;
      
      there are 32 values in the second modulation and TBS index table, that is, a modulation and coding scheme (MCS) index is represented by 5 bits, except L2 combinations of modulation and TBS index, L1 combinations in the first modulation and TBS index table in turn work as first L1 combinations in the second modulation scheme and TBS index table, next L2-1 combinations just following the first L1 combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, TBS indexes of last L3 combinations in the second modulation and TBS index table are default;
      
      L1, L2 and L3 are positive integers greater than 1, and L1+L2+L3-1=32, and M is a number greater than 64;
      
      or, mode B2;
      
      there are 32 or 64 values in the second modulation and TBS index table, any combination of modulation scheme and TBS index in the second modulation and TBS index table is different from all combinations of modulation and TBS index in the first modulation and TBS index table;
      
      or, a first combination of modulation scheme and TBS index in the second modulation and TBS index table is same as a k-th combination in the first modulation and TBS index table, and TBS indexes of last four combinations in the second modulation and TBS index table are default, and others are different, k is a positive integer between 1 and 5;
      
      or, mode B3;
      
      there are 64 values in the second modulation and TB S index table, first 1 odd-numbered or even-numbered combinations of modulation and TBS index in the second modulation and TBS index table are combinations of modulation and TBS index in the first modulation and TBS index table, where 1 is a positive integer between 20 and 29.
  - 22. The method of claim 21, wherein:
    - the mode B1 comprises a mode B11, a mode B12, a mode B13 or a mode B14, wherein;
      
      the mode B11 comprises that;
      
      except first L2′
      
      combinations of modulation and TBS index, L1′
      
      combinations in the first modulation and TBS index table in turn work as the first L1′
      
      combinations in the second modulation scheme and TBS index table, next L2′
      
      -1 combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, the TBS indexes of the last L3′
      
      combinations in the second modulation and TBS index table are default;
      
      L1′
      
      , L2′ and
      
      L3′
      
      are positive integers greater than 1, and M is a number greater than 64;
      
      the mode B12 comprises that;
      
      except first L2′
      
      combinations in even-numbered combinations of modulation and TBS index or odd-numbered combinations of modulation and TBS index, L1′
      
      combinations in the first modulation scheme and TBS index table in turn work as the first L1′
      
      combinations in the second modulation and TBS index table, and next L2′
      
      -1 combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, the TBS indexes of the last L3′
      
      combinations in the second modulation and TBS index table are default;
      
      L1′
      
      , L2′ and
      
      L3′
      
      are positive integers greater than 1, and M is a number greater than 64;
      
      wherein, in the first modulation and TBS index table, the odd-numbered combinations of modulation and TBS index refer to a set of 1^st, 3^rd, 5^th, . . . , 27^th, 29^th, combinations of modulation and TBS index, the even-numbered combinations of modulation and TBS index refer to a set of 2^nd, 4^th, 6^th, . . . , 28^thcombinations of modulation and TBS index;
      
      the mode B13 comprises that;
      
      except first L2′
      
      -2 combinations, one of 10^thand 11^thcombinations, and one of 17^thand 18^thcombinations, L1′
      
      combinations of modulation and TBS index in the first modulation and TBS index table in turn work as the first L1′
      
      combinations in the second modulation and TBS index table, next L2′
      
      -1 combinations following the first L1′
      
      combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, and the TBS indexes of the last L3′
      
      combinations in the second modulation and TBS index table are default;
      
      L1′
      
      , L2′ and
      
      L3′
      
      are positive integers greater than 1, and M is a number greater than 64;
      
      the mode B14 comprises that;
      
      except first L2′
      
      -2 combinations, one of 10^thand 11^thcombinations, and one of 17^thand 18^thcombinations in even-numbered combinations of modulation and TBS index or odd-numbered combinations of modulation and TBS index, L1′
      
      combinations of modulation and TBS index in the first modulation and TBS index table in turn work as the first L1′
      
      combinations in the second modulation and TBS index table, next L2′
      
      -1 combinations following the first L1′
      
      combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, and the TBS indexes of the last L3′
      
      combinations in the second modulation and TBS index table are default;
      
      L1′
      
      , L2′ and
      
      L3′
      
      are positive integers greater than 1, and M is a number greater than 64.

23. A base station, comprising:
- a configuration information transmitting unit, configured to;
  
  transmit a high-layer configuration signaling to a user equipment (UE), wherein the high-layer configuration signaling is used to indicate whether to support a high-order Quadrature Amplitude Modulation (QAM) modulation scheme, and the high-order QAM modulation scheme is a modulation scheme of M QAM, wherein M is a number greater than 64;
  
  wherein, the base station further comprises;
  
  a channel state information receiving unit, configured to receive channel state information of the UE, wherein the channel state information at least comprises channel quality indication (CQI) information, when the high-layer configuration signaling indicates not supporting the high-order QAM modulation scheme, the CQI information is obtained based on the first CQI table which does not support the high-order QAM modulation scheme, when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme, the CQI information is obtained based on the second CQI table which supports the high-order QAM modulation scheme.
- View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
- - 24. The base station of claim 23, wherein, the high-layer configuration signaling is newly added.
  - 25. The base station of claim 23, wherein:
    - when a modulation scheme of a last combination in the second CQI table is 256QAM, a code rate value r corresponding to the 256QAM is a real number between 0.92 and 0.96.
  - 26. The base station of claim 23, wherein:
    - the first CQI table is a 4-bit CQI table in LTE Release 8;
      
      the second CQI table is formed with one of the following modes;
      
      mode A1;
      
      the CQI in the second CQI table has 16 values, that is, the CQI is represented by 4 bits, except L2 combinations of modulation scheme and code rate, L1 combinations of modulation scheme and code rate in the first CQI table in turn work as first L1 combinations of modulation and code rate in the second CQI table, and next L2 combinations of modulation scheme and code rate in the second CQI table are combinations of M QAM and code rate;
      
      L1 and L2 are positive integers greater than 1, and L1+L2=15, and M is a number greater than 64;
      
      or, mode A2;
      
      the CQI in the second CQI table has 16 or 32 values, any combination of modulation scheme and code rate in the second CQI table is different from all combinations of modulation scheme and code rate in the first CQI table;
      
      alternatively, a first combination of modulation scheme and code rate in the second CQI table is same as a k-th combination of modulation scheme and code rate in the first CQI table, and other combinations of modulation scheme and code rate in the second CQI table are different from all combinations of modulation scheme and code rate in the first CQI table, k is a positive integer between 1 and 5;
      
      or, mode A3;
      
      the CQI in the second CQI table has 32 values, first 13, 14 or 15 combinations in odd-numbered combinations of modulation scheme and code rate in the second CQI table are combinations of modulation scheme and code rate in the first CQI table.
  - 27. The base station of claim 26, wherein, the mode A1 comprises a mode A11 or a mode A12, wherein:
    - the mode A11 comprises that;
      
      except first L2′
      
      combinations of modulation scheme and code rate, L1′
      
      combinations of modulation scheme and code rate in the first CQI table in turn work as the first L1′
      
      combinations of modulation scheme and code rate in the second CQI table, and next L2′
      
      combinations of modulation scheme and code rate in the second CQI table are combinations of M QAM and code rate;
      
      the mode A12 comprises that;
      
      except first L2′
      
      even-numbered combinations of modulation and code rate or odd-numbered combinations of modulation and code rate, L1′
      
      combinations in the first CQI table in turn work as the first L1′
      
      combinations in the second CQI table, last L2′
      
      combinations of modulation scheme and code rate in the second CQI table are combinations of M QAM and code rate;
      
      wherein, in the first CQI table, the odd-numbered combinations of modulation scheme and code rate refer to a set of 1^st, 3^rd, 5^th, 7^th, 9^th, 11^th, and 13^thcombinations of modulation scheme and code rate, the even-numbered combinations of modulation scheme and code rate refer to a set of 2^nd, 4^th, 6^th, 8^th, 10^th, 12^th, 14^thcombinations of modulation scheme and code rate,wherein, M is a number greater than 64, L1′ and
      
      L2′
      
      are positive integers greater than 1.
  - 28. The base station of claim 23, wherein, the base station further comprises:
    - a downlink control information transmitting unit, configured to;
      
      transmit a downlink control signaling to the UE, wherein the downlink control signaling at least comprises a modulation and coding scheme field (I_MCS), when the high-layer configuration signaling indicates not supporting the high-order QAM modulation scheme, then the modulation and coding scheme field (I_MCS) is determined based on a first modulation and transport block size (TBS) index table which does not support the high-order QAM modulation scheme;
      
      when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme, in combination with predefined information, it is to determine whether the modulation and coding scheme field (I_MCS) is determined based on a second modulation and TBS index table which supports the high-order QAM.
  - 29. The base station of claim 28, wherein:
    - the predefined information is at least one of the following;
      
      a search space, a downlink control information format, a Cyclic Redundancy Check (CRC) scrambling mode of downlink control information.
  - 30. The base station of claim 28, wherein:
    - the predefined information is a search space, and predefines that;
      
      when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme and it is in a public search space, the modulation and coding scheme field (I_MCS) is determined based on the first modulation and transport block size (TBS) index table which does not support the high-order QAM modulation scheme;
      
      when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme and it is in a UE-specific search space, the modulation and coding scheme field (I_MCS) is determined based on the second modulation and transport block size (TBS) index table which supports the high-order QAM modulation scheme;
      
      or, the pre-defined information is the search space and the CRC scrambling mode corresponding to the downlink control information, and predefines that;
      
      when the high-order configuration signaling indicates supporting the high-order QAM modulation scheme and a Semi-Persistent Scheduling (SPS) Cell Radio Network Temporary Identifier (C-RNTI) scrambles CRC in the public search space or in the UE-specific search space, the modulation and coding scheme field (I_MCS) is determined based on the first modulation and transport block size (TBS) index table which does not support the high-order QAM modulation scheme, when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme and the C-RNTI scrambles the CRC in the UE-specific search space, the modulation and coding scheme field (I_MCS) is determined based on the second modulation and transport block size (TBS) index table which supports the high-order QAM modulation scheme.
  - 31. The base station of claim 28, wherein, the predefined information is the downlink control information format and predefines that:
    - when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme and the downlink control information format is a format which is predefined as supporting the high-order QAM modulation scheme, then the modulation and coding scheme field (I_MCS) is determined based on the second modulation and transport block size (TBS) index table which supports the high-order QAM modulation scheme, when the high-layer configuration signaling indicates not supporting the high-order QAM modulation scheme or the downlink control information format is a format which is predefined as not supporting the high-order QAM modulation scheme, the modulation and coding scheme field (I_MCS) is determined based on the first modulation and transport block size (TBS) index table which does not support the high-order QAM modulation scheme.
  - 32. The base station of claim 28, wherein:
    - the first modulation and TBS index table is a 5-bit modulation and TBS index table in LTE Release 8;
      
      the second modulation and TBS index table is formed with one of the following modes;
      
      mode B1 ;
      
      there are 32 values in the second modulation and TBS index table, that is, an MCS index is represented by 5 bits, except L2 combinations of modulation and TBS index, L1 combinations in the first modulation and TBS index table in turn work as first Ll combinations in the second modulation scheme and TBS index table, next L2-1 combinations just following the first L1 combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, TBS indexes of last L3 combinations in the second modulation and TBS index table are default;
      
      L1, L2 and L3 are positive integers greater than 1, and L1+L2+L3−
      
      1=32, wherein M is a number greater than 64;
      
      or, mode B2;
      
      there are 32 or 64 values in the second modulation and TBS index table, any combination of modulation scheme and TBS index in the second modulation and TBS index table is different from all combinations of modulation and TBS index in the first modulation and TBS index table;
      
      or, a first combination of modulation scheme and TBS index in the second modulation and TBS index table is same as a k-th combination in the first modulation and TBS index table, and TBS indexes of last four combinations in the second modulation and TBS index table are default, and others are different, k is a positive integer between 1 and 5;
      
      or, mode B3;
      
      there are 64 values in the second modulation and TB S index table, first l odd-numbered or even-numbered combinations of modulation and TBS index in the second modulation and TBS index table are combinations of modulation and TBS index in the first modulation and TBS index table, where l is a positive integer between 20 and 29.
  - 33. The base station of claim 32, wherein:
    - the mode B1 comprises a mode B11, a mode B12, a mode B13 or a mode B14, wherein;
      
      the mode B11 comprises that;
      
      except first L2′
      
      combinations of modulation and TBS index, L1′
      
      combinations in the first modulation and TBS index table in turn work as the first L1 ′
      
      combinations in the second modulation scheme and TBS index table, next L2′
      
      -1 combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, the TBS indexes of the last L3′
      
      combinations in the second modulation and TBS index table are default;
      
      L1′
      
      , L2′ and
      
      L3′
      
      are positive integers greater than 1, and M is a number greater than 64;
      
      the mode B12 comprises that;
      
      except first L2′
      
      combinations in even-numbered combinations of modulation and TBS index or odd-numbered combinations of modulation and TBS index, L1′
      
      combinations in the first modulation scheme and TBS index table in turn work as the first L1′
      
      combinations in the second modulation and TBS index table, and next L2′
      
      -1 combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, the TBS indexes of the last L3′
      
      combinations in the second modulation and TBS index table are default;
      
      L1′
      
      , L2′ and
      
      L3′
      
      are positive integers greater than 1, and M is a number greater than 64;
      
      wherein, in the first modulation and TBS index table, the odd-numbered combinations of modulation and TBS index refer to a set of 1^st, 3^rd, 5^th, . . . , 27^th, 29^thcombinations of modulation and TBS index, the even-numbered combinations of modulation and TBS index refer to a set of 2^nd, 4^th, 6^th, . . . , 28^thcombinations of modulation and TBS index;
      
      the mode B13 comprises that;
      
      except first L2′
      
      -2 combinations, one of 10^thand 11^thcombinations, and one of 17^thand 18^thcombinations, L1′
      
      combinations of modulation and TBS index in the first modulation and TBS index table in turn work as the first L1′
      
      combinations in the second modulation and TBS index table, next L2′
      
      -1 combinations following the first L1′
      
      combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, and the TBS indexes of the last L3′
      
      combinations in the second modulation and TBS index table are default;
      
      L1′
      
      , L2′ and
      
      L3′
      
      are positive integers greater than 1, and M is a number greater than 64;
      
      the mode B14 comprises that;
      
      except first L2′
      
      -2 combinations, one of 10^thand 11^thcombinations, and one of 17^thand 18^thcombinations in even-numbered combinations of modulation and TBS index or odd-numbered combinations of modulation and TBS index, L1′
      
      combinations of modulation and TBS index in the first modulation and TBS index table in turn work as the first L1′
      
      combinations in the second modulation and TBS index table, next L2′
      
      -1 combinations following the first L1′
      
      combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, and the TBS indexes of the last L3′
      
      combinations in the second modulation and TBS index table are default;
      
      L1′
      
      , L2′ and
      
      L3′
      
      are positive integers greater than 1, and M is a number greater than 64.

34. A user equipment (UE), wherein, the UE comprises:
- a configuration information receiving unit, configured to receive a high-layer configuration signaling transmitted by a base station, wherein the high-layer configuration signaling is used to indicate whether to support a high-order Quadrature Amplitude Modulation (QAM) modulation scheme, and the high-order QAM modulation scheme is a modulation scheme of M QAM, wherein M is a number greater than 64;
  
  wherein, the UE further comprises;
  
  a channel state information reporting unit, configured to;
  
  transmit channel state information to the base station, wherein the channel state information comprises at least channel quality indication (CQI) information, and when the high-layer configuration signaling indicates not supporting the high-order QAM modulation scheme, the CQI information is obtained based on a first CQI table which does not support the high-order QAM modulation scheme, and when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme, the CQI information is obtained based on a second CQI table which supports the high-order QAM modulation scheme.
- View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
- - 35. The UE of claim 34, wherein, the high-layer configuration signaling is newly added.
  - 36. The UE of claim 34, wherein:
    - when a modulation scheme of a last combination in the second CQI table is 256QAM, a code rate value r corresponding to the 256QAM is a real number between 0.92 and 0.96.
  - 37. The UE of claim 34, wherein:
    - the first CQI table is a 4-bit CQI table in LTE Release 8;
      
      the second CQI table is formed with one of the following modes;
      
      mode A1;
      
      the CQI in the second CQI table has 16 values, that is, the CQI is represented by 4 bits, except L2 combinations of modulation scheme and code rate, L1 combinations of modulation scheme and code rate in the first CQI table in turn work as first L1 combinations of modulation and code rate in the second CQI table, and next L2 combinations of modulation scheme and code rate in the second CQI table are combinations of M QAM and code rate;
      
      L1 and L2 are positive integers greater than 1, and L1+L2=15, and M is a number greater than 64;
      
      or, mode A2;
      
      the CQI in the second CQI table has 16 or 32 values, any combination of modulation scheme and code rate in the second CQI table is different from all combinations of modulation scheme and code rate in the first CQI table;
      
      alternatively, a first combination of modulation scheme and code rate in the second CQI table is same as a k-th combination of modulation scheme and code rate in the first CQI table, and other combinations of modulation scheme and code rate in the second CQI table are different from all combinations of modulation scheme and code rate in the first CQI table, k is a positive integer between 1 and 5;
      
      or, mode A3;
      
      the CQIs in the second CQI table has 32 values, first 13, 14 or 15 combinations in odd-numbered combinations of modulation scheme and code rate in the second CQI table are combinations of modulation scheme and code rate in the first CQI table.
  - 38. The UE of claim 37, wherein, the mode A1 comprises a mode A11 or a mode A12, wherein:
    - the mode A11 comprises that;
      
      except first L2′
      
      combinations of modulation scheme and code rate, L1′
      
      combinations of modulation scheme and code rate in the first CQI table in turn work as the first L1′
      
      combinations of modulation scheme and code rate in the second CQI table, and next L2′
      
      combinations of modulation scheme and code rate in the second CQI table are combinations of M QAM and code rate;
      
      the mode A12 comprises that;
      
      except first L2′
      
      even-numbered combinations of modulation and code rate or odd-numbered combinations of modulation and code rate, L1′
      
      combinations in the first CQI table in turn work as the first L1′
      
      combinations in the second CQI table, last L2′
      
      combinations of modulation scheme and code rate in the second CQI table are combinations of M QAM and code rate;
      
      wherein, in the first CQI table, the odd-numbered combinations of modulation scheme and code rate refer to a set of 1^st, 3^rd, 5^th, 7^th, 9^th, 11^thand 13^thcombinations of modulation scheme and code rate, the even-numbered combinations of modulation scheme and code rate refer to a set of 2^nd, 4^th, 6^th, 8^th, 10^th, 12^th, 14^thcombinations of modulation scheme and code rate,wherein, M is a number greater than 64, L1′ and
      
      L2′
      
      are positive integers greater than 1.
  - 39. The UE of claim 34, wherein, the UE further comprises:
    - a downlink control information receiving and detecting unit, configured to;
      
      receive and detect a downlink control signaling transmitted by the base station, wherein the downlink control signaling at least comprises a modulation and coding scheme field (I_MCS), when the high-layer configuration signaling indicates not supporting the high-order QAM, then the modulation and coding scheme field (I_MCS) is determined based on a first modulation and transport block size (TBS) index table which does not support the high-order QAM modulation scheme;
      
      when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme, in combination with predefined information, it is to determine whether the modulation and coding scheme field (I_MCS) is determined based on a second modulation and TBS index table which supports the high-order QAM modulation scheme.
  - 40. The UE of claim 39, wherein:
    - the predefined information is at least one of the following;
      
      a search space, a downlink control information format, a Cyclic Redundancy Check (CRC) scrambling mode of a downlink control information.
  - 41. The UE of claim 39, wherein:
    - the predefined information is a search space, and predefines that;
      
      when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme and it is in a public search space, the modulation and coding scheme field (I_MCS) is determined based on the first modulation and transport block size (TBS) index table which does not support the high-order QAM modulation scheme;
      
      when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme and it is in a UE-specific search space, the modulation and coding scheme field (I_MCS) is determined based on the second modulation and transport block size (TBS) index table which supports the high-order QAM modulation scheme;
      
      or, the pre-defined information is the search space and the CRC scrambling mode corresponding to a downlink control information, and predefines that;
      
      when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme and a Semi-Persistent Scheduling (SPS) Cell Radio Network Temporary Identifier (C-RNTI) scrambles CRC in the public search space or in the UE-specific search space, the modulation and coding scheme field (I_MCS) is determined based on the first modulation and transport block size (TBS) index table which does not support the high-order QAM modulation scheme;
      
      when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme and the C-RNTI scrambles the CRC in the UE-specific search space, the modulation and coding scheme field (I_MCS) is determined based on the second modulation and transport block size (TBS) index table which supports the high-order QAM modulation scheme.
  - 42. The UE of claim 39, wherein, the predefined information is a downlink control information format and predefines that:
    - when the high-layer configuration signaling indicates supporting the high-order QAM modulation scheme and the downlink control information format is a format which is predefined as supporting the high-order QAM modulation scheme, then the modulation and coding scheme field (I_MCS) is determined based on the second modulation and transport block size (TBS) index table which supports the high-order QAM modulation scheme, when the high-layer configuration signaling indicates not supporting the high-order QAM modulation scheme and the downlink control information format is a format which is predefined as not supporting the high-order QAM modulation scheme, the modulation and coding scheme field(I_MCS) is determined based on the first modulation and transport block size (TBS) index table which does not support the high-order QAM modulation scheme.
  - 43. The UE of claim 39, wherein:
    - the first modulation and TBS index table is a 5-bit modulation and TBS index table in LTE Release 8;
      
      the second modulation and TBS index table is formed with one of the following modes;
      
      mode B1;
      
      there are 32 values in the second modulation and TBS index table, that is, the modulation and coding scheme (MCS) index is represented by 5 bits, except L2 combinations of modulation and TBS index, L1 combinations in the first modulation and TBS index table in turn work as first L1 combinations in the second modulation scheme and TBS index table, next L2-1 combinations just following the first L1 combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, TBS indexes of last L3 combinations in the second modulation and TBS index table are default;
      
      L1, L2 and L3 are positive integers greater than 1, and L1+L2+L3−
      
      1=32, and M is a number greater than 64;
      
      or, mode B2;
      
      there are 32 or 64 values in the second modulation and TBS index table, any combination of modulation scheme and TBS index in the second modulation and TBS index table is different from all combinations of modulation and TBS index in the first modulation and TBS index table;
      
      or, a first combination of modulation scheme and TBS index in the second modulation and TBS index table is same as a k-th combination in the first modulation and TBS index table, and TBS indexes of last four combinations in the second modulation and TBS index table are default, and others are different, k is a positive integer between 1 and 5;
      
      or, mode B3;
      
      there are 64 values in the second modulation and TBS index table, first l odd-numbered or even-numbered combinations of modulation and TBS index in the second modulation and TBS index table are combinations of modulation and TBS index in the first modulation and TBS index table, where l is a positive integer between 20 and 29.
  - 44. The UE of claim 43, wherein:
    - the mode B1 comprises a mode B11, a mode B12, a mode B13 or a mode B14, wherein;
      
      the mode B11 comprises that;
      
      except first L2′
      
      combinations of modulation and TBS index, L1′
      
      combinations in the first modulation and TBS index table in turn work as the first L1′
      
      combinations in the second modulation scheme and TBS index table, next L2′
      
      -1 combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, the TBS indexes of the last L3′
      
      combinations in the second modulation and TBS index table are default;
      
      L1′
      
      , L2′ and
      
      L3′
      
      are positive integers greater than 1, and M is a number greater than 64;
      
      the mode B12 comprises that;
      
      except first L2′
      
      combinations in even-numbered combinations of modulation and TBS index or odd-numbered combinations of modulation and TBS index, L1′
      
      combinations in the first modulation scheme and TBS index table in turn work as the first L1′
      
      combinations in the second modulation and TBS index table, and next L2′
      
      -1 combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, the TBS indexes of the last L3′
      
      combinations in the second modulation and TBS index table are default;
      
      L1′
      
      , L2′ and
      
      L3′
      
      are positive integers greater than 1, and M is a number greater than 64;
      
      wherein, in the first modulation and TBS index table, the odd-numbered combinations of modulation and TBS index refer to a set of 1^st, 3^rd, 5^th, . . . , 27^th, 29^th, combinations of modulation and TBS index, the even-numbered combinations of modulation and TBS index refer to a set of 2^nd, 4^th, 6^th, . . . , 28^thcombinations of modulation and TBS index;
      
      the mode B13 comprises that;
      
      except first L2′
      
      -2 combinations, one of 10^thand 11^thcombinations, and one of 17^thand 18^thcombinations, L1′
      
      combinations of modulation and TBS index in the first modulation and TBS index table in turn work as the first L1′
      
      combinations in the second modulation and TBS index table, next L2′
      
      -1 combinations following the first L1′
      
      combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, and the TBS indexes of the last L3′
      
      combinations in the second modulation and TBS index table are default;
      
      L1′
      
      , L2′ and
      
      L3′
      
      are positive integers greater than 1, and M is a number greater than 64;
      
      the mode B14 comprises that;
      
      except first L2′
      
      -2 combinations, one of 10^thand 11^thcombinations, and one of 17^thand 18^thcombinations in even-numbered combinations of modulation and TBS index or odd-numbered combinations of modulation and TBS index, L1′
      
      combinations of modulation and TBS index in the first modulation and TBS index table in turn work as the first L1′
      
      combinations in the second modulation and TBS index table, next L2′
      
      -1 combinations following the first L1′
      
      combinations in the second modulation and TBS index table are combinations of M QAM and TBS index, and the TBS indexes of the last L3′
      
      combinations in the second modulation and TBS index table are default;
      
      L1′
      
      , L2′ and
      
      L3′
      
      are positive integers greater than 1, and M is a number greater than 64.

Specification

Resources

Litigation Campaign Assessment

Current Assignee
ZTE Corporation
Original Assignee
Xi'An Zhongxing New Software Co., Ltd. (ZTE Corporation)
Inventors
Xu, Jun, Dai, Bo, Chen, Zewei, Li, Yu Ngok, Zhang, Junfeng
Primary Examiner(s)
Jung, Min

Application Number

US14/761,899
Publication Number

US 20150372784A1
Time in Patent Office

1,448 Days
Field of Search

None
US Class Current
CPC Class Codes

H04B 7/0626   Channel coefficients, e.g. ...

H04B 7/0632   Channel quality parameters,...

H04L 1/0004   applied to control information

H04L 1/001   applied to control information

H04L 1/0016   involving special memory st...

H04L 1/0025   Transmission of mode-switch...

H04L 1/0026   Transmission of channel qua...

H04L 27/3405   Modifications of the signal...

H04L 27/36   Modulator circuits; Transmi...

Modulation processing method and device

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Modulation processing method and device

First Claim

3 Assignments

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0 Petitions

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Accused Products

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Abstract

12 Citations

44 Claims

Specification

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Solutions

Use Cases

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