Method, system and device for selecting demodulation reference signal pattern information
First Claim
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1. A method for selecting Demodulation Reference Signal (DMRS) pattern information, comprising:
- selecting, by a base station, DMRS pattern information on the basis of a preset first rule, and informing a terminal of the selected DMRS pattern information; and
sending, by the base station, a DMRS to the terminal according to the selected DMRS pattern information;
wherein the first rule at least comprises one of the followings;
a Modulation and Coding Scheme (MCS), a size of continuous Physical Resource Block (PRB) pairs allocated for the terminal, a size of Physical Resource Group (PRG), a mode of continuously scheduling sub-frames in time domain or a number of the continuously scheduled sub-frames, a system bandwidth, a carrier index, a carrier type, a carrier frequency, a start position of an Orthogonal Frequency Division Multiplexing (OFDM) symbol of a Physical Downlink Shared Channel (PDSCH), a start position of an OFDM symbol of an Enhanced Physical Downlink Control Channel (EPDCCH), a PDSCH RE Mapping and Quasi-Co-Location Indicator (PQI) based on a PDSCH, high layer signalling configuration based on a sub-frame cluster and a sub-frame type.
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Abstract
Disclosed in the present invention are a method, a system and a device for selecting Demodulation Reference Signal (DMRS) pattern information, wherein the method includes that a base station selects DMRS pattern information on the basis of a preset first rule, and informs a terminal of the selected DMRS pattern information; and the base station sends a DMRS to the terminal according to the selected DMRS pattern information.
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Citations
33 Claims
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1. A method for selecting Demodulation Reference Signal (DMRS) pattern information, comprising:
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selecting, by a base station, DMRS pattern information on the basis of a preset first rule, and informing a terminal of the selected DMRS pattern information; and sending, by the base station, a DMRS to the terminal according to the selected DMRS pattern information; wherein the first rule at least comprises one of the followings;
a Modulation and Coding Scheme (MCS), a size of continuous Physical Resource Block (PRB) pairs allocated for the terminal, a size of Physical Resource Group (PRG), a mode of continuously scheduling sub-frames in time domain or a number of the continuously scheduled sub-frames, a system bandwidth, a carrier index, a carrier type, a carrier frequency, a start position of an Orthogonal Frequency Division Multiplexing (OFDM) symbol of a Physical Downlink Shared Channel (PDSCH), a start position of an OFDM symbol of an Enhanced Physical Downlink Control Channel (EPDCCH), a PDSCH RE Mapping and Quasi-Co-Location Indicator (PQI) based on a PDSCH, high layer signalling configuration based on a sub-frame cluster and a sub-frame type. - View Dependent Claims (2, 3, 4, 7, 8, 9)
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5. (canceled)
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6. (canceled)
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10. A method for selecting Demodulation Reference Signal (DMRS) pattern information, comprising:
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selecting, by a terminal, DMRS pattern information on the basis of a preset second rule; and receiving, by the terminal, a DMRS from a base station according to the selected DMRS pattern information; wherein the preset second rule comprises at least one of the followings;
high layer signalling, a newly-added information bit in Downlink Control Information (DCI), an existing bit in the DCI, a Modulation and Coding Scheme (MCS), a size of continuous Physical Resource Block (PRB) pairs allocated for the terminal, a size of Physical Resource Group (PRG), a mode of continuously scheduling sub-frames in time domain or the number of the continuously scheduled sub-frames, a system bandwidth, a carrier index, a carrier type, a carrier frequency, a start position of an Orthogonal Frequency Division Multiplexing (OFDM) symbol of a Physical Downlink Shared Channel (PDSCH), a start position of an OFDM symbol of an Enhanced Physical Downlink Control Channel (EPDCCH), a PDSCH RE Mapping and Quasi-Co-Location Indicator (PQI) based on a PDSCH, high layer signalling configuration based on a sub-frame cluster and a sub-frame type. - View Dependent Claims (11, 12, 13, 15, 16, 17)
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14. (canceled)
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18. (canceled)
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19. A base station, comprising:
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a control module configured to select Demodulation Reference Signal (DMRS) pattern information on the basis of a preset first rule, and inform a terminal of the selected DMRS pattern information through a communication module; the communication module configured to send a DMRS to the terminal according to the selected DMRS pattern information; wherein, the preset first rule comprises one of the followings;
a Modulation and Coding Scheme (MCS), a size of continuous Physical Resource Block (PRB) pairs allocated for the terminal, a size of Physical Resource Group (PRG), a mode of continuously scheduling sub-frames in time domain or a number of the continuously scheduled sub-frames, a system bandwidth, a carrier index, or a carrier type, a carrier frequency, a start position of an Orthogonal Frequency Division Multiplexing (OFDM) symbol of a Physical Downlink Shared Channel (PDSCH), a start position of an OFDM symbol of an Enhanced Physical Downlink Control Channel (EPDCCH), a PDSCH RE Mapping and Quasi-Co-Location Indicator (PQI) based on a PDSCH, high layer signalling configuration based on a sub-frame cluster and a sub-frame type. - View Dependent Claims (20, 21, 23, 24, 25)
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22. (canceled)
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26. A terminal, comprising:
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a processing module configured to select Demodulation Reference Signal (DMRS) pattern information on the basis of a preset second rule; a receiving module configured to receive a DMRS according to the DMRS pattern information; wherein, the preset second rule comprises at least one of the followings;
high layer signalling, a newly-added information bit in Downlink Control Information (DCI), an existing bit in the DCI, a Modulation and Coding Scheme (MCS), a size of continuous Physical Resource Block (PRB) pairs allocated for the terminal, a size of Physical Resource Group (PRG), a mode of continuously scheduling sub-frames in time domain or the number of the continuously scheduled sub-frames, a system bandwidth, a carrier index, a carrier type, a carrier frequency, a start position of an Orthogonal Frequency Division Multiplexing (OFDM) symbol of a Physical Downlink Shared Channel (PDSCH), a start position of an OFDM symbol of an Enhanced Physical Downlink Control Channel (EPDCCH), a PDSCH RE Mapping and Quasi-Co-Location Indicator (PQI) based on the PDSCH, high layer signalling configuration based on a sub-frame cluster and a sub-frame type. - View Dependent Claims (27, 28, 30, 31, 32)
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29. (canceled)
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33. (canceled)
Specification