Modulation Processing Method and Apparatus for High-Order Coding, Base Station, and Terminal

• US 20170171014A1
• Filed: 09/01/2014
• Published: 06/15/2017
• Est. Priority Date: 05/09/2014
• Status: Active Grant

• Current Assignee: ZTE Corporation
• Original Assignee: ZTE Corporation
• Inventors: CHEN, Zewei, LI, Yu Ngok, ZUO, Zhisong, XU, Jun, DAI, Bo, XIA, Shuqiang
• Granted Patent: US 10,050,819 B2
• Time in Patent Office: Days
• CPC Class Codes: H03C 7/02 in transmission lines, waveguides, cavity resonators or radiation fields of antennas
• CPC Class Codes: H04L 1/00 Arrangements for detecting or preventing errors in the information received correcting synchronisation H04L7/00
• CPC Class Codes: H04L 1/0003 by switching between different modulation schemes
• CPC Class Codes: H04L 1/0009 by adapting the channel coding H04L1/1812 takes precedence
• CPC Class Codes: H04L 1/0026 Transmission of channel quality indication
• CPC Class Codes: H04L 1/003 Adaptive formatting arrangements particular to signalling, e.g. variable amount of bits
• CPC Class Codes: H04L 2001/0092 Error control systems characterised by the topology of the transmission link
• CPC Class Codes: H04L 2027/0097 Adaptive synchronisation signals
• CPC Class Codes: H04L 25/03866 using scrambling
• CPC Class Codes: H04L 27/36 Modulator circuits; Transmitter circuits
• CPC Class Codes: H04L 65/70 Media network packetisation
• CPC Class Codes: H04L 67/04 specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

The present document provides a modulation processing method and apparatus for high-order coding, a base station and a terminal, herein the method includes: a base station selecting a Modulation and Coding Scheme (MCS) table according to a transmission type and predefined information, herein the MCS table includes a MCS table supporting a M-order modulation and a MCS table not supporting a M-order modulation, herein M>64; and the base station transmitting downlink control signaling to a terminal, the downlink control signaling including a modulation and coding scheme field I_MCS, herein the I_MCS is based on the MCS table supporting or not supporting a M-order modulation selected by the base station.

Claims

1. A modulation processing method for high-order coding, comprising:

a base station selecting a Modulation and Coding Scheme, MCS, table according to a transmission type and predefined information, wherein the MCS table comprises a MCS table supporting a M-order modulation and a MCS table not supporting a M-order modulation, wherein M>

64; and

the base station transmitting a downlink control signaling to a terminal, the downlink control signaling comprising a modulation and coding scheme field I_MCS, wherein the I_MCS is based on the MCS table supporting or not supporting the M-order modulation selected by the base station.

2. The method according to claim 1, wherein a base station selecting a MCS table according to a transmission type and predefined information comprises:

when the transmission type is downlink transmission, the base station selecting a downlink MCS table according to the predefined information, wherein the predefined information comprises;

a table type configured for a subframe set, wherein the table type is a Channel Quality Indication, CQI, table supporting the M-order modulation or a CQI table not supporting the M-order modulation,

wherein the subframe set comprises;

subframe set 0 and/or subframe set 1 configured by the base station,

when the base station selects the downlink MCS table according to the table type configured for the subframe set, the method further comprises at least one of;

when the CQI table supporting the M-order modulation is configured for the subframe set 0 or/and the subframe set 1, using the MCS table supporting the M-order modulation for all downlink subframes; and

when the CQI table supporting the M-order modulation is configured for subframe set i, using the MCS table supporting the M-order modulation for the subframe set i, and when the CQI table not supporting the M-order modulation is configured for the subframe set i, using the MCS table not supporting the M-order modulation for the subframe set i, wherein i=0 or 1; and

for subframes not belonging to the subframe set 0 and the subframe set 1, the method comprises at least one of;

configuring the MCS table supporting or not supporting the M-order modulation through a dedicated high-layer signaling;

predefining the MCS table not supporting the M-order modulation to be used; and

when the CQI table supporting the M-order modulation is configured for at least one of the subframe set 0 and the subframe set 1, using the MCS table supporting the M-order modulation.

5. The method according to claim 1, wherein a base station selecting a MCS table according to a transmission type and predefined information comprises:

when the transmission type is uplink transmission, the base station selecting an uplink MCS table according to the predefined information, wherein the predefined information comprises at least one of;

a table type configured during downlink transmission, the table type comprising at least one of a CQI table supporting the M-order modulation and the MCS table supporting the M-order modulation,

a DCI format, wherein the DCI carries the modulation and coding scheme field I_MCS;

a search space corresponding to downlink control signaling, the search space comprising at least one of;

a common search space and a UE-specific search space, wherein the downlink control signaling carries the modulation and coding scheme field I_MCS;

a Cyclic Redundancy Check, CRC, scrambling mode corresponding to the downlink control signaling, the CRC scrambling mode comprising at least one of Semi-Persistent Scheduling Cell Radio Network Temporary Identity, SPS C-RNTI, scrambling and Cell Radio Network Temporary Identity, C-RNTI, scrambling, wherein the downlink control signaling carries the modulation and coding scheme field I_MCS;

an uplink transmission mode;

an uplink subframe set configured by the base station; and

a predefined uplink subframe set.

6. The method according to claim 5, wherein the DCI format comprises at least one of DCI format 0 and DCI format 4.

7. The method according to claim 5, wherein when the base station selects an uplink MCS table according to the table type configured during downlink transmission, the method further comprises at least one of:

when the CQI table supporting the M-order modulation and/or the MCS table supporting the M-order modulation is configured for the downlink transmission, configuring an uplink MCS table supporting the M-order modulation for uplink transmission in a specific scenario;

when the CQI table supporting a M-order modulation and/or the MCS table supporting a M-order modulation is configured for the downlink transmission and Channel State Information, CSI, is transmitted on a Physical Uplink Shared Channel, PUSCH, for uplink transmission in a specific scenario, configuring an uplink MCS table not supporting the M-order modulation for the uplink transmission; and

selecting an uplink MCS table supporting or not supporting a M-order modulation for the uplink transmission through a configuration signaling sent by the base station,

wherein the specific scenario comprises Time Division Duplex, TDD, transmission.

9. The method according to claim 5, wherein when the base station selects an uplink MCS table according to at least one of a DCI format, a search space corresponding to downlink control signaling, a CRC scrambling mode corresponding to the downlink control signaling, and an uplink transmission mode, the method further comprises at least one of:

when the base station configures uplink transmission mode 1 for the terminal or the DCI format is only configured as DCI format 0, if the search space corresponding to the downlink control signaling is a common search space, the base station selecting the uplink MCS table not supporting the M-order modulation, and if the search space corresponding to the downlink control signaling is a UE-specific search space, the base station selecting the uplink MCS table supporting the M-order modulation;

when the base station configures the uplink transmission mode 1 for the terminal or the DCI format is only configured as the DCI format 0, if the CRC scrambling mode corresponding to the downlink control signaling is SPS C-RNTI scrambling, the base station selecting the uplink MCS table not supporting the M-order modulation; and

if the CRC-scrambling mode corresponding to the downlink control signaling is C-RNTI scrambling, the base station selecting the uplink MCS table supporting the M-order modulation;

when the base station configures the uplink transmission mode 1 for the terminal or the DCI format is only configured as the DCI format 0, if the search space corresponding to the downlink control signaling is a common search space, the base station selecting the uplink MCS table not supporting the M-order modulation;

if the search space corresponding to the downlink control signaling is a UE-specific search space and the CRC scrambling mode is SPS C-RNTI scrambling, the base station selecting the uplink MCS table not supporting the M-order modulation; and

if the search space corresponding to the downlink control signaling is a UE-specific search space and the CRC scrambling mode is C-RNTI scrambling, the base station selecting the uplink MCS table supporting the M-order modulation;

when the base station configures an uplink transmission mode 2 for the terminal or DCI format 0 and DCI format 4 are configured, if the base station transmits the downlink control signaling through the DCI format 0 and the search space corresponding to the downlink control signaling is a common search space, the base station selecting the uplink MCS table not supporting the M-order modulation;

if the base station transmits the downlink control signaling through the DCI format 0 and the search space corresponding to the downlink control signaling is a UE-specific search space, the base station selecting the uplink MCS table supporting the M-order modulation; and

if the base station transmits the downlink control signaling through the DCI format 4, the base station selecting an uplink MCS table supporting a M-order modulation;

when the base station configures the uplink transmission mode 2 for the terminal or the DCI format 0 and DCI format 4 are configured, if the base station transmits the downlink control signaling through the DCI format 0 and the CRC scrambling mode corresponding to the downlink control signaling is SPS C-RNTI scrambling, the base station selecting the uplink MCS table not supporting the M-order modulation;

if the base station transmits the downlink control signaling through the DCI format 0 and the CRC scrambling mode corresponding to the downlink control signaling is C-RNTI scrambling, the base station selecting the uplink MCS table supporting the M-order modulation; and

if the base station transmits the downlink control signaling through the DCI format 4, the base station selecting the uplink MCS table supporting the M-order modulation;

when the base station configures the uplink transmission mode 2 for the terminal or the DCI format 0 and DCI format 4 are configured, if the base station transmits the downlink control signaling through the DCI format 0 and the search space corresponding to the downlink control signaling is a common search space, the base station selecting the uplink MCS table not supporting the M-order modulation;

if the base station transmits the downlink control signaling through the DCI format 0, the search space corresponding to the downlink control signaling is a UE-specific search space and the CRC scrambling mode is SPS C-RNTI scrambling, the base station selecting the uplink MCS table not supporting the M-order modulation;

if the base station transmits the downlink control signaling through the DCI format 0, the search space corresponding to the downlink control signaling is a UE-specific search space and the CRC scrambling mode is C-RNTI scrambling, the base station selecting the uplink MCS table supporting the M-order modulation; and

if the base station transmits the downlink control signaling through the DCI format 4, the base station selecting the uplink table supporting the M-order modulation;

when the base station configures the uplink transmission mode 2 for the terminal or the DCI format 0 and DCI format 4 are configured, if the base station transmits the downlink control signaling through the DCI format 0, the base station selecting the uplink MCS table not supporting the M-order modulation; and

if the base station transmits the downlink control signaling through the DCI format 4, the base station selecting the uplink MCS table supporting the M-order modulation;

or

wherein when the base station selects an uplink MCS table according to an uplink subframe set configured by the base station or a predefined uplink subframe set, the method further comprises at least one of;

the base station respectively configuring the uplink MCS table supporting or not supporting the M-order modulation for a subframe set 2 and a subframe set 3, the subframe set 2 and the subframe set 3 being uplink subframe sets configured by the base station or predefined subframe sets;

the base station only configuring the uplink MCS table supporting or not supporting the M-order modulation for the subframe set 2, and using the uplink MCS table not supporting the M-order modulation for the subframe set 3, and

the base station only configuring the uplink MCS table supporting or not supporting the M-order modulation for the subframe set 3, and using an uplink MCS table not supporting a M-order modulation for the subframe set 2.

11. The method according to claim 1, wherein after the base station selects the MCS table supporting the M-order modulation according to a transmission type and predefined information, the base station transmits the downlink control signaling to the terminal, the downlink control signaling comprising:

a Transmission Power Control, TPC, command field, wherein the TPC command field comprises at least one of the following characteristics;

when the downlink control signaling is transmitted through DCI format 3A, the TPC command field is represented by N1 bits, wherein N1 is a positive integer not less than 1, and the value of a TPC command corresponding to the TPC command field comprises integers other than −

1 and 1; and

when the downlink control signaling is transmitted through a DCI format other than the DCI format 3A, the TPC command field is represented by N2 bits, wherein N2 is a positive integer equal to or greater than 2, and the value of the TPC command corresponding to the TPC command field comprises integers other than −

1, 0, 1 and 3.

3-4. -4. (canceled)

8. (canceled)

10. (canceled)

12. A modulation processing method for high-order coding, comprising:

a terminal receiving a downlink control signaling transmitted by a base station, the downlink control signaling comprising a modulation and coding scheme field I_MCS, wherein the I_MCS is based on a Modulation and Coding Scheme, MCS, table selected by the base station according to a transmission type and predefined information, wherein the MCS table comprises a MCS table supporting a M-order modulation and a MCS table not supporting a M-order modulation, wherein M>

64; and

the terminal implementing modulation and coding on uplink data or implementing demodulation and decoding on downlink data according to I_MCS.

13. The method according to claim 12, wherein

when the transmission type is downlink transmission, the base station selecting a downlink MCS table according to the predefined information, wherein the predefined information comprises:

a table type configured for a subframe set, wherein the table type is a Channel Quality Indication, CQI, table supporting the M-order modulation or a CQI table not supporting the M-order modulation,

wherein the subframe set comprises;

subframe set 0 and/or subframe set 1 configured by the base station,

wherein when the transmission type is downlink transmission and the MCS table selected by the base station is a downlink MCS table, the method further comprises at least one of;

when the CQI table supporting the M-order modulation is configured for the subframe set 0 or/and the subframe set 1, using the MCS table supporting the M-order modulation for all downlink subframes; and

when the CQI table supporting the M-order modulation is configured for subframe set i, using the MCS table supporting the M-order modulation for the subframe set i, and when the CQI table not supporting the M-order modulation is configured for the subframe set i, using the MCS table not supporting the M-order modulation for the subframe set i, wherein i=0 or 1; and

for subframes not belonging to the subframe set 0 and the subframe set 1, the method comprises at least one of;

configuring the MCS table supporting or not supporting the M-order modulation through a dedicated high-layer signaling;

predefining the MCS table not supporting the M-order modulation to be used; and

when the CQI table supporting the M-order modulation is configured for at least one of the subframe set 0 and the subframe set 1, using the MCS table supporting the M-order modulation.

16. The method according to claim 12, wherein

when the transmission type is uplink transmission, the base station selecting an uplink MCS table according to the predefined information, wherein the predefined information comprises at least one of:

a table type configured during downlink transmission, the table type comprising at least one of a CQI table supporting the M-order modulation and the MCS table supporting the M-order modulation,

a DCI format, wherein the DCI carries the modulation and coding scheme field I_MCS;

a search space corresponding to downlink control signaling, the search space comprising at least one of;

a common search space and a UE-specific search space, wherein the downlink control signaling carries the modulation and coding scheme field I_MCS;

a Cyclic Redundancy Check, CRC, scrambling mode corresponding to the downlink control signaling, the CRC scrambling mode comprising at least one of Semi-Persistent Scheduling Cell Radio Network Temporary Identity, SPS C-RNTI, scrambling and Cell Radio Network Temporary Identity (C-RNTI) scrambling, wherein the downlink control signaling carries the modulation and coding scheme field I_MCS;

an uplink transmission mode;

an uplink subframe set configured by the base station; and

a predefined uplink subframe set.

17. The method according to claim 16, wherein the DCI format comprises at least one of DCI format 0 and DCI format 4.

18. The method according to claim 16, wherein when the base station selects an uplink MCS table according to the table type configured during downlink transmission, the method further comprises at least one of:

when the CQI table supporting the M-order modulation and/or the MCS table supporting the M-order modulation is configured for the downlink transmission, configuring an uplink MCS table supporting the M-order modulation for uplink transmission in a specific scenario;

when the CQI table supporting the M-order modulation and/or the MCS table supporting the M-order modulation is configured for the downlink transmission and Channel State Information, CSI, is transmitted on a Physical Uplink Shared Channel, PUSCH, for uplink transmission in a specific scenario, configuring an uplink MCS table not supporting the M-order modulation for the uplink transmission; and

selecting an uplink MCS table supporting or not supporting a M-order modulation for the uplink transmission through a configuration signaling sent by the base station,

wherein the specific scenario comprises a Time Division Duplex, TDD, transmission.

20. The method according to claim 16, wherein when the base station selects an uplink MCS table according to at least one of a DCI format, a search space corresponding to downlink control signaling, a CRC scrambling mode corresponding to the downlink control signaling, and an uplink transmission mode, the method further comprises at least one of:

when the base station configures an uplink transmission mode 1 for the terminal or the DCI format is only configured as DCI format 0, if the search space corresponding to the downlink control signaling is a common search space, the base station selecting an uplink MCS table not supporting the M-order modulation, and if the search space corresponding to the downlink control signaling is a UE-specific search space, the base station selecting an uplink MCS table supporting the M-order modulation;

when the base station configures the uplink transmission mode 1 for the terminal or the DCI format is only configured as the DCI format 0, if the CRC scrambling mode corresponding to the downlink control signaling is SPS C-RNTI scrambling, the base station selecting the uplink MCS table not supporting the M-order modulation; and

if the CRC-scrambling mode corresponding to the downlink control signaling is C-RNTI scrambling, the base station selecting the uplink MCS table supporting the M-order modulation;

when the base station configures the uplink transmission mode 1 for the terminal or the DCI format is only configured as the DCI format 0, if the search space corresponding to the downlink control signaling is a common search space, the base station selecting the uplink MCS table not supporting the M-order modulation;

if the search space corresponding to the downlink control signaling is a UE-specific search space and the CRC scrambling mode is SPS C-RNTI scrambling, the base station selecting the uplink MCS table not supporting the M-order modulation; and

if the search space corresponding to the downlink control signaling is a UE-specific search space and the CRC scrambling mode is C-RNTI scrambling, the base station selecting the uplink MCS table supporting the M-order modulation;

when the base station configures an uplink transmission mode 2 for the terminal or DCI format 0 and DCI format 4 are configured, if the base station transmits the downlink control signaling through the DCI format 0 and the search space corresponding to the downlink control signaling is a common search space, the base station selecting the uplink MCS table not supporting the M-order modulation;

if the base station transmits the downlink control signaling through the DCI format 0 and the search space corresponding to the downlink control signaling is a UE-specific search space, the base station selecting the uplink MCS table supporting the M-order modulation; and

if the base station transmits the downlink control signaling through the DCI format 4, the base station selecting the uplink MCS table supporting the M-order modulation;

when the base station configures the uplink transmission mode 2 for the terminal or the DCI format 0 and DCI format 4 are configured, if the base station transmits the downlink control signaling through the DCI format 0 and the CRC scrambling mode corresponding to the downlink control signaling is SPS C-RNTI scrambling, the base station selecting the uplink MCS table not supporting the M-order modulation;

if the base station transmits the downlink control signaling through the DCI format 0 and the CRC scrambling mode corresponding to the downlink control signaling is C-RNTI scrambling, the base station selecting the uplink MCS table supporting the M-order modulation; and

if the base station transmits the downlink control signaling through the DCI format 4, the base station selecting the uplink MCS table supporting the M-order modulation;

when the base station configures the uplink transmission mode 2 for the terminal or the DCI format 0 and DCI format 4 are configured, if the base station transmits the downlink control signaling through the DCI format 0 and the search space corresponding to the downlink control signaling is a common search space, the base station selecting the uplink MCS table not supporting the M-order modulation;

if the base station transmits the downlink control signaling through the DCI format 0, the search space corresponding to the downlink control signaling is a UE-specific search space and the CRC scrambling mode is SPS C-RNTI scrambling, the base station selecting the uplink MCS table not supporting the M-order modulation;

if the base station transmits the downlink control signaling through the DCI format 0, the search space corresponding to the downlink control signaling is a UE-specific search space and the CRC scrambling mode is C-RNTI scrambling, the base station selecting the uplink MCS table supporting the M-order modulation; and

if the base station transmits the downlink control signaling through the DCI format 4, the base station selecting an uplink table supporting the M-order modulation;

when the base station configures the uplink transmission mode 2 for the terminal or the DCI format 0 and DCI format 4 are configured, if the base station transmits the downlink control signaling through the DCI format 0, the base station selecting the uplink MCS table not supporting the M-order modulation; and

if the base station transmits the downlink control signaling through the DCI format 4, the base station selecting the uplink MCS table supporting the M-order modulation;

or

wherein when the base station selects an uplink MCS table according to a configured or predefined uplink subframe set, the method further comprises at least one of;

the base station respectively configuring an uplink MCS table supporting or not supporting a M-order modulation for a subframe set 2 and a subframe set 3, the subframe set 2 and the subframe set 3 being uplink subframe sets configured by the base station or predefined subframe sets;

the base station only configuring the uplink MCS table supporting or not supporting the M-order modulation for the subframe set 2, and using the uplink MCS table not supporting the M-order modulation for the subframe set 3, and

the base station only configuring the uplink MCS table supporting or not supporting the M-order modulation for the subframe set 3, and using the uplink MCS table not supporting the M-order modulation for the subframe set 2.

22. The method according to claim 12, wherein when the base station selects the MCS table supporting the M-order modulation, the terminal receives a downlink control signaling transmitted by the base station, the downlink control signaling at least comprising:

a Transmission Power Control, TPC, command field, wherein the TPC command field comprises at least one of the following characteristics;

when the downlink control signaling is transmitted through DCI format 3A, the TPC command field is represented by N1 bits, wherein N1 is a positive integer not less than 1, and the value of a TPC command corresponding to the TPC command field comprises integers other than −

1 and 1; and

when the downlink control signaling is transmitted through a DCI format other than the DCI format 3A, the TPC command field is represented by N2 bits, wherein N2 is a positive integer equal to or greater than 2, and the value of a TPC command corresponding to the TPC command field comprises integers other than −

1, 0, 1 and 3.

14-15. -15. (canceled)

19. (canceled)

21. (canceled)

23. A modulation processing apparatus for high-order coding, comprising:

a selection module configured to select a Modulation and Coding Scheme, MCS, table according to a transmission type and predefined information, wherein the MCS table comprises a MCS table supporting a M-order modulation and a MCS table not supporting a M-order modulation, wherein M>

64; and

a transmission module configured to transmit a downlink control signaling to a terminal, the downlink control signaling at least comprising a modulation and coding scheme field I_MCS, wherein the I_MCS is based on the MCS table supporting or not supporting the M-order modulation selected by the base station.

24. The apparatus according to claim 23, wherein the selection module is further configured to, when the transmission type is downlink transmission, select a downlink MCS table according to the predefined information, wherein the predefined information comprises:

a table type configured for a subframe set, wherein the table type is the MCS table supporting the M-order modulation or the MCS table not supporting the M-order modulation;

or

wherein the selection module is further configured to, when the transmission type is uplink transmission, select an uplink MCS table according to the predefined information, wherein the predefined information comprises at least one of;

a table type configured during downlink transmission, the table type comprising at least one of a CQI table supporting the M-order modulation and a MCS table supporting the M-order modulation,

a DCI format, wherein the DCI carries I_MCS;

a search space corresponding to downlink control signaling, the search space comprising at least one of;

a common search space and a UE-specific search space, wherein the downlink control signaling carries I_MCS;

a Cyclic Redundancy Check, CRC, scrambling mode corresponding to the downlink control signaling, the CRC scrambling mode comprising at least one of Semi-Persistent Scheduling Cell Radio Network Temporary Identity, SPS C-RNTI, scrambling and Cell Radio Network Temporary Identity, C-RNTI, scrambling, wherein the downlink control signaling carries the modulation and coding scheme field I_MCS;

an uplink transmission mode;

an uplink subframe set configured by the base station; and

a predefined uplink subframe set.

29. A base station, comprising the apparatus according to claim 23.

25. (canceled)

26. A modulation processing apparatus for high-order coding, comprising:

a receiving module configured to receive a downlink control signaling transmitted by a base station, the downlink control signaling at least comprising a modulation and coding scheme field I_MCS, wherein the I_MCS is based on a Modulation and Coding Scheme, MCS, table selected by the base station according to a transmission type and predefined information, wherein the MCS table comprises a MCS table supporting a M-order modulation and a MCS table not supporting a M-order modulation, wherein M>

64; and

a data processing module configured to implement modulation and coding on uplink data according to I_MCS or implement demodulation and decoding on downlink data according to I_MCS.

27. The apparatus according to claim 26, wherein the receiving module is further configured to when the transmission type is downlink transmission, select, by the base station, a downlink MCS table according to the predefined information, and when the predefined information comprises the following information, receive I_MCS:

a table type configured for a subframe set, wherein the table type is the MCS table supporting the M-order modulation or the MCS table not supporting the M-order modulation;

or

wherein the receiving module is further configured to, when the transmission type is uplink transmission, select, by the base station, a downlink MCS table according to the predefined information, and when the predefined information comprises at least one of the following information, receive I_MCS;

a table type configured during downlink transmission, the table type comprising at least one of a CQI table supporting the M-order modulation and the MCS table supporting the M-order modulation,

a DCI format, wherein the DCI carries the modulation and coding scheme field I_MCS;

a search space corresponding to downlink control signaling, the search space comprising at least one of;

a common search space and a UE-specific search space, wherein the downlink control signaling carries the modulation and coding scheme field I_MCS;

a Cyclic Redundancy Check, CRC, scrambling mode corresponding to the downlink control signaling, the CRC scrambling mode comprising at least one of Semi-Persistent Scheduling Cell Radio Network Temporary Identity, SPS C-RNTI, scrambling and Cell Radio Network Temporary Identity, C-RNTI, scrambling, wherein the downlink control signaling carries the modulation and coding scheme field I_MCS;

an uplink transmission mode;

an uplink subframe set configured by the base station; and

a predefined uplink subframe set.

30. A terminal, comprising the apparatus according to claim 26.

28. (canceled)