WO2022152317A1 - 信息处理方法、装置、终端及网络设备 - Google Patents
信息处理方法、装置、终端及网络设备 Download PDFInfo
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- WO2022152317A1 WO2022152317A1 PCT/CN2022/072586 CN2022072586W WO2022152317A1 WO 2022152317 A1 WO2022152317 A1 WO 2022152317A1 CN 2022072586 W CN2022072586 W CN 2022072586W WO 2022152317 A1 WO2022152317 A1 WO 2022152317A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0096—Indication of changes in allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0035—Resource allocation in a cooperative multipoint environment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
- H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
- H04B7/06968—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping using quasi-colocation [QCL] between signals
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- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L2027/0018—Arrangements at the transmitter end
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L5/0094—Indication of how sub-channels of the path are allocated
Definitions
- the present disclosure relates to the field of communication technologies, and in particular, to an information processing method, apparatus, terminal, and network device.
- the 5G New Radio (NR) system supports the basic transmission scheme of the Physical Downlink Shared Channel (PDSCH) and multiple transmission/reception point (multiple TRP, multi-TRP) transmission schemes.
- PDSCH Physical Downlink Shared Channel
- multiple TRP, multi-TRP multiple transmission/reception point
- SDM scheme 1c One data layer and/or DMRS port of PDSCH and multiple reference signals have a Quasi Co-Location (QCL) relationship with respect to at least one channel large-scale parameter .
- QCL Quasi Co-Location
- the purpose of the present disclosure is to provide an information processing method, apparatus, terminal and network equipment, so as to solve the problem that a specific transmission scheme cannot be accurately determined when there are multiple Multi-TRP transmission schemes in the system in the related art.
- an embodiment of the present disclosure provides an information processing method, including:
- the configuration information related to the transmission mode includes the following:
- Transmission mode configuration information demodulation reference signal DMRS port indication information of the first signal, TDRA indication information about the time domain resource allocation of the first signal, and/or whether the terminal is in a high-speed rail scenario and/or frequency pre-compensation Scene indication information of the scene;
- a data layer of the first signal and at least two reference signals have a quasi-co-located QCL relationship with respect to at least one channel large-scale parameter; and/or, a DMRS port of the first signal Having a QCL relationship with at least two reference signals with respect to at least one channel large-scale parameter.
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the relevant configuration information of the transmission mode includes:
- the DMRS port indication information determine the number of code division multiplexing CDM groups where the DMRS port of the first signal is located, and/or the quasi-co-located QCL indication information of the DMRS port of the first signal;
- the transmission scheme of the first signal is the first transmission scheme.
- determining whether the transmission scheme of the first signal is the first transmission scheme according to the QCL indication information including:
- the transmission scheme of the first signal is the first transmission scheme.
- determining whether the transmission scheme of the first signal is the first transmission scheme according to the number and/or the QCL indication information includes:
- the first condition includes:
- the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme
- All DMRS ports of the first signal are located in a CDM group; and, the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- the second transmission scheme is different from the first transmission scheme.
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the relevant configuration information of the transmission mode includes:
- the second condition includes a value corresponding to the first transmission scheme indicated by the transmission mode configuration information.
- the DMRS port indication information includes QCL indication information of the DMRS port of the first signal
- the second condition also includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states.
- the second condition further includes: the number of code division multiplexing CDM groups where the DMRS port of the first signal is located is one.
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the relevant configuration information of the transmission mode includes:
- the third condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least one TCI state that satisfies the fourth condition
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least one TCI state that satisfies the fourth condition
- the fourth condition includes: the number of QCL types associated with at least two reference signals is at least one.
- the third condition further includes: the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme;
- the second transmission scheme is different from the first transmission scheme.
- the fifth condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- a QCL type included in a TCI state in the at least two TCI states is the first type, and a QCL type included in a TCI state is the second type;
- the large-scale parameters of the channel included in the first type are all large-scale parameters of the delay characteristic channel
- the second type includes large-scale parameters of the delay characteristic channel and large-scale parameters of the frequency characteristic channel.
- determining whether the transmission scheme of the first signal is the first transmission scheme according to the QCL type information including:
- the sixth condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- a QCL type included in a TCI state in the at least two TCI states is the first type
- a QCL type included in a TCI state is the third type
- the large-scale parameters of the channel included in the first type are all delay characteristic parameters
- the large-scale parameters of the channel included in the third type are all frequency characteristic parameters.
- the transmission frequency of the uplink signal is determined according to the reference signal corresponding to the QCL type indicated in the TCI state and including the large-scale parameters of the frequency characteristic channel.
- determining whether the transmission scheme of the first signal is the first transmission scheme according to the QCL type information including:
- the seventh condition includes:
- a reference signal having a QCL relationship with the DMRS port having a large-scale parameter with respect to the frequency characteristic of the channel is determined according to a first rule
- the QCL indication information indicates that the first signal is associated with at least two TCI states, and/or the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states;
- the at least two TCI states including two TCI states satisfy: one QCL type included is the second type;
- the second type includes large-scale parameters of the delay characteristic channel and large-scale parameters of the frequency characteristic channel.
- determining a reference signal having a QCL relationship with the DMRS port with respect to the large-scale parameters of the frequency characteristic channel according to the first rule including:
- the reference signal corresponding to the QCL type including the large-scale parameter of the frequency characteristic channel in the target TCI state is used as the reference signal having the QCL relationship with the DMRS port about the large-scale parameter of the frequency characteristic channel.
- the DMRS port indication information includes QCL indication information of the DMRS port of the first signal
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the relevant configuration information of the transmission mode includes:
- the eighth condition includes: the scene indication information indicates that the terminal is in a high-speed rail scene and/or a frequency pre-compensation scene, and the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states.
- the frequency of the downlink signal is determined according to the reference signal used to determine the transmission frequency of the uplink signal.
- the transmission frequency of the uplink signal is determined according to the reference signal having a QCL relationship with the DMRS port of the first signal with respect to the large-scale parameter of the frequency characteristic channel.
- the ninth condition includes:
- the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme
- the transmission mode configuration information is not configured as a value corresponding to the first transmission scheme
- the number of CDM groups where the DMRS port of the first signal is located is 2; and, the following:
- the first signal is associated with 2 TCI states
- the DMRS port of the first signal is associated with 2 TCI states
- the third transmission scheme, the second transmission scheme and the first transmission scheme are different from each other.
- Embodiments of the present disclosure also provide an information processing method, including:
- the configuration information related to the transmission mode includes the following:
- Transmission mode configuration information demodulation reference signal DMRS port indication information of the first signal, TDRA indication information about the time domain resource allocation of the first signal, and/or whether the terminal is in a high-speed rail scenario and/or frequency pre-compensation Scene indication information of the scene;
- a data layer of the first signal and at least two reference signals have a quasi-co-located QCL relationship with respect to at least one channel large-scale parameter; and/or, a DMRS port of the first signal Having a QCL relationship with at least two reference signals with respect to at least one channel large-scale parameter.
- the sending transmission mode related configuration information to indicate whether the transmission scheme of the first signal is the first transmission scheme, including:
- the number of code division multiplexing CDM groups where the DMRS port of the first signal is located is indicated by the DMRS port indication information, and/or the quasi-co-located QCL indication information of the DMRS port of the first signal, to indicate the number of the DMRS port of the first signal. Whether the transmission scheme of a signal is the first transmission scheme.
- the QCL indication information to indicate whether the transmission scheme of the first signal is the first transmission scheme, including:
- the QCL type information is indicated, and/or the number information of the transmission configuration indication state TCI state is used to indicate whether the transmission scheme of the first signal is the first transmission scheme.
- the DMRS port indication information indicates the number of code division multiplexing CDM groups where the DMRS port of the first signal is located, and/or the quasi-co-located QCL of the DMRS port of the first signal
- the indication information to indicate whether the transmission scheme of the first signal is the first transmission scheme including:
- the first condition includes:
- the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme
- All DMRS ports of the first signal are located in a CDM group; and, the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- the second transmission scheme is different from the first transmission scheme.
- the sending transmission mode related configuration information to indicate whether the transmission scheme of the first signal is the first transmission scheme, including:
- the second condition includes a value corresponding to the first transmission scheme indicated by the transmission mode configuration information.
- the DMRS port indication information includes QCL indication information of the DMRS port of the first signal
- the second condition also includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states.
- the second condition further includes: the number of code division multiplexing CDM groups where the DMRS port of the first signal is located is one.
- the transmission mode related configuration information is sent to indicate whether the transmission scheme of the first signal is the first transmission scheme, including:
- the third condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least one TCI state that satisfies the fourth condition
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least one TCI state that satisfies the fourth condition
- the fourth condition includes: the number of QCL types associated with at least two reference signals is at least one.
- the third condition further includes: the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme;
- the second transmission scheme is different from the first transmission scheme.
- use the QCL indication information to indicate QCL type information to indicate whether the transmission scheme of the first signal is the first transmission scheme including:
- the fifth condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- a QCL type included in a TCI state in the at least two TCI states is the first type, and a QCL type included in a TCI state is the second type;
- the large-scale parameters of the channel included in the first type are all large-scale parameters of the delay characteristic channel
- the second type includes large-scale parameters of the delay characteristic channel and large-scale parameters of the frequency characteristic channel.
- use the QCL indication information to indicate QCL type information to indicate whether the transmission scheme of the first signal is the first transmission scheme including:
- the information that satisfies the sixth condition is indicated by the QCL indication information, and the transmission scheme indicating the first signal is the first transmission scheme;
- the sixth condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- a QCL type included in a TCI state in the at least two TCI states is the first type
- a QCL type included in a TCI state is the third type
- the large-scale parameters of the channel included in the first type are all delay characteristic parameters
- the large-scale parameters of the channel included in the third type are all frequency characteristic parameters.
- the reference signal corresponding to the QCL type including the large-scale parameters of the frequency characteristic channel is indicated by the TCI state.
- use the QCL indication information to indicate QCL type information to indicate whether the transmission scheme of the first signal is the first transmission scheme including:
- the seventh condition includes:
- a reference signal having a QCL relationship with the DMRS port having a large-scale parameter with respect to the frequency characteristic of the channel is determined according to a first rule
- the QCL indication information indicates that the first signal is associated with at least two TCI states, and/or the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states;
- the at least two TCI states including two TCI states satisfy: one QCL type included is the second type;
- the second type includes large-scale parameters of the delay characteristic channel and large-scale parameters of the frequency characteristic channel.
- the reference signal corresponding to the QCL type of the large-scale parameter of the frequency characteristic channel included in the target TCI state is a reference signal having a QCL relationship with the DMRS port about the large-scale parameter of the frequency characteristic channel.
- the DMRS port indication information includes QCL indication information of the DMRS port of the first signal
- the sending transmission mode related configuration information to indicate whether the transmission scheme of the first signal is the first transmission scheme including:
- the information that satisfies the eighth condition is indicated by the transmission mode-related configuration information, and the transmission scheme indicating the first signal is the first transmission scheme;
- the eighth condition includes: the scene indication information indicates that the terminal is in a high-speed rail scene and/or a frequency pre-compensation scene, and the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states.
- the information that satisfies the ninth condition is indicated by the transmission mode-related configuration information, and the transmission scheme indicating the first signal is the third transmission scheme;
- the ninth condition includes:
- the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme
- the transmission mode configuration information is not configured as a value corresponding to the first transmission scheme
- the number of CDM groups where the DMRS port of the first signal is located is 2; and, the following:
- the first signal is associated with 2 TCI states
- the DMRS port of the first signal is associated with 2 TCI states
- the third transmission scheme, the second transmission scheme and the first transmission scheme are different from each other.
- An embodiment of the present disclosure also provides a terminal, including a memory, a transceiver, and a processor:
- a memory for storing a computer program
- a transceiver for sending and receiving data under the control of the processor
- a processor for reading the computer program in the memory and performing the following operations:
- the configuration information related to the transmission mode includes the following:
- Transmission mode configuration information demodulation reference signal DMRS port indication information of the first signal, TDRA indication information about the time domain resource allocation of the first signal, and/or whether the terminal is in a high-speed rail scenario and/or frequency pre-compensation Scene indication information of the scene;
- a data layer of the first signal and at least two reference signals have a quasi-co-located QCL relationship with respect to at least one channel large-scale parameter; and/or, a DMRS port of the first signal Having a QCL relationship with at least two reference signals with respect to at least one channel large-scale parameter.
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the relevant configuration information of the transmission mode includes:
- the DMRS port indication information determine the number of code division multiplexing CDM groups where the DMRS port of the first signal is located, and/or the quasi-co-located QCL indication information of the DMRS port of the first signal;
- the transmission scheme of the first signal is the first transmission scheme.
- determining whether the transmission scheme of the first signal is the first transmission scheme according to the QCL indication information including:
- the transmission scheme of the first signal is the first transmission scheme.
- determining whether the transmission scheme of the first signal is the first transmission scheme according to the number and/or the QCL indication information includes:
- the first condition includes:
- the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme
- All DMRS ports of the first signal are located in a CDM group; and, the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- the second transmission scheme is different from the first transmission scheme.
- determining whether the transmission scheme of the first signal is the first transmission scheme according to the relevant configuration information of the transmission mode includes:
- the second condition includes a value corresponding to the first transmission scheme indicated by the transmission mode configuration information.
- the DMRS port indication information includes QCL indication information of the DMRS port of the first signal
- the second condition also includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states.
- the second condition further includes: the number of code division multiplexing CDM groups where the DMRS port of the first signal is located is one.
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the relevant configuration information of the transmission mode includes:
- the third condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least one TCI state that satisfies the fourth condition
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least one TCI state that satisfies the fourth condition
- the fourth condition includes: the number of QCL types associated with at least two reference signals is at least one.
- the third condition further includes: the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme;
- the second transmission scheme is different from the first transmission scheme.
- determining whether the transmission scheme of the first signal is the first transmission scheme according to the QCL type information including:
- the fifth condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- a QCL type included in a TCI state in the at least two TCI states is the first type, and a QCL type included in a TCI state is the second type;
- the large-scale parameters of the channel included in the first type are all large-scale parameters of the delay characteristic channel
- the second type includes large-scale parameters of the delay characteristic channel and large-scale parameters of the frequency characteristic channel.
- determining whether the transmission scheme of the first signal is the first transmission scheme according to the QCL type information including:
- the sixth condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- a QCL type included in a TCI state in the at least two TCI states is the first type
- a QCL type included in a TCI state is the third type
- the large-scale parameters of the channel included in the first type are all delay characteristic parameters
- the large-scale parameters of the channel included in the third type are all frequency characteristic parameters.
- the operation further includes:
- determining whether the transmission scheme of the first signal is the first transmission scheme according to the QCL type information including:
- the seventh condition includes:
- a reference signal having a QCL relationship with the DMRS port having a large-scale parameter of the frequency characteristic of the channel is determined according to a first rule
- the QCL indication information indicates that the first signal is associated with at least two TCI states, and/or the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states;
- the at least two TCI states including two TCI states satisfy: one QCL type included is the second type;
- the second type includes large-scale parameters of the delay characteristic channel and large-scale parameters of the frequency characteristic channel.
- determining a reference signal having a QCL relationship with the DMRS port about the large-scale parameters of the frequency characteristic channel according to the first rule including:
- the reference signal corresponding to the QCL type including the large-scale parameter of the frequency characteristic channel in the target TCI state is used as the reference signal having the QCL relationship with the DMRS port about the large-scale parameter of the frequency characteristic channel.
- the DMRS port indication information includes QCL indication information of the DMRS port of the first signal
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the relevant configuration information of the transmission mode includes:
- the eighth condition includes: the scene indication information indicates that the terminal is in a high-speed rail scene and/or a frequency pre-compensation scene, and the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states.
- the operation further includes:
- the frequency of the downlink signal is determined according to the reference signal used to determine the transmission frequency of the uplink signal.
- the operation further includes:
- the transmission frequency of the uplink signal is determined according to the reference signal having a QCL relationship with the DMRS port of the first signal with respect to the large-scale parameter of the frequency characteristic channel.
- the operation further includes:
- the ninth condition includes:
- the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme
- the transmission mode configuration information is not configured as a value corresponding to the first transmission scheme
- the number of CDM groups where the DMRS port of the first signal is located is 2; and, the following:
- the first signal is associated with 2 TCI states
- the DMRS port of the first signal is associated with 2 TCI states
- the third transmission scheme, the second transmission scheme and the first transmission scheme are different from each other.
- An embodiment of the present disclosure also provides a network device, including a memory, a transceiver, and a processor:
- a memory for storing a computer program
- a transceiver for sending and receiving data under the control of the processor
- a processor for reading the computer program in the memory and performing the following operations:
- the configuration information related to the transmission mode includes the following:
- Transmission mode configuration information demodulation reference signal DMRS port indication information of the first signal, TDRA indication information about the time domain resource allocation of the first signal, and/or whether the terminal is in a high-speed rail scenario and/or frequency pre-compensation Scene indication information of the scene;
- a data layer of the first signal and at least two reference signals have a quasi-co-located QCL relationship with respect to at least one channel large-scale parameter; and/or, a DMRS port of the first signal Having a QCL relationship with at least two reference signals with respect to at least one channel large-scale parameter.
- the sending transmission mode related configuration information to indicate whether the transmission scheme of the first signal is the first transmission scheme, including:
- the number of code division multiplexing CDM groups where the DMRS port of the first signal is located is indicated by the DMRS port indication information, and/or the quasi-co-located QCL indication information of the DMRS port of the first signal, to indicate the number of the DMRS port of the first signal. Whether the transmission scheme of a signal is the first transmission scheme.
- use the DMRS port indication information to indicate QCL indication information to indicate whether the transmission scheme of the first signal is the first transmission scheme including:
- the QCL type information is indicated, and/or the number information of the transmission configuration indication state TCI state is used to indicate whether the transmission scheme of the first signal is the first transmission scheme.
- the DMRS port indication information indicates the number of code division multiplexing CDM groups where the DMRS port of the first signal is located, and/or the quasi-co-located QCL of the DMRS port of the first signal
- the indication information to indicate whether the transmission scheme of the first signal is the first transmission scheme including:
- the first condition includes:
- the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme
- All DMRS ports of the first signal are located in a CDM group; and, the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- the second transmission scheme is different from the first transmission scheme.
- the sending transmission mode related configuration information to indicate whether the transmission scheme of the first signal is the first transmission scheme, including:
- the second condition includes a value corresponding to the first transmission scheme indicated by the transmission mode configuration information.
- the DMRS port indication information includes QCL indication information of the DMRS port of the first signal
- the second condition also includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states.
- the second condition further includes: the number of code division multiplexing CDM groups where the DMRS port of the first signal is located is one.
- the sending transmission mode related configuration information to indicate whether the transmission scheme of the first signal is the first transmission scheme, including:
- the third condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least one TCI state that satisfies the fourth condition
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least one TCI state that satisfies the fourth condition
- the fourth condition includes: the number of QCL types associated with at least two reference signals is at least one.
- the third condition further includes: the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme;
- the second transmission scheme is different from the first transmission scheme.
- use the QCL indication information to indicate QCL type information to indicate whether the transmission scheme of the first signal is the first transmission scheme including:
- the fifth condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- a QCL type included in a TCI state in the at least two TCI states is the first type, and a QCL type included in a TCI state is the second type;
- the large-scale parameters of the channel included in the first type are all large-scale parameters of the delay characteristic channel
- the second type includes large-scale parameters of the delay characteristic channel and large-scale parameters of the frequency characteristic channel.
- use the QCL indication information to indicate QCL type information to indicate whether the transmission scheme of the first signal is the first transmission scheme including:
- the sixth condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- a QCL type included in a TCI state in the at least two TCI states is the first type
- a QCL type included in a TCI state is the third type
- the large-scale parameters of the channel included in the first type are all delay characteristic parameters
- the large-scale parameters of the channel included in the third type are all frequency characteristic parameters.
- the operation further includes:
- the reference signal corresponding to the QCL type including the large-scale parameters of the frequency characteristic channel is indicated by the TCI state.
- use the QCL indication information to indicate QCL type information to indicate whether the transmission scheme of the first signal is the first transmission scheme including:
- the seventh condition includes:
- a reference signal having a QCL relationship with the DMRS port having a large-scale parameter with respect to the frequency characteristic of the channel is determined according to a first rule
- the QCL indication information indicates that the first signal is associated with at least two TCI states, and/or the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states;
- the at least two TCI states including two TCI states satisfy: one QCL type included is the second type;
- the second type includes large-scale parameters of the delay characteristic channel and large-scale parameters of the frequency characteristic channel.
- the operation further includes:
- the reference signal corresponding to the QCL type of the large-scale parameter of the frequency characteristic channel included in the target TCI state is a reference signal having a QCL relationship with the DMRS port about the large-scale parameter of the frequency characteristic channel.
- the DMRS port indication information includes QCL indication information of the DMRS port of the first signal
- the sending transmission mode related configuration information to indicate whether the transmission scheme of the first signal is the first transmission scheme including:
- the information that satisfies the eighth condition is indicated by the transmission mode-related configuration information, and the transmission scheme indicating the first signal is the first transmission scheme;
- the eighth condition includes: the scene indication information indicates that the terminal is in a high-speed rail scene and/or a frequency pre-compensation scene, and the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states.
- the operation further includes:
- the operation further includes:
- the operation further includes:
- the information that satisfies the ninth condition is indicated by the transmission mode-related configuration information, and the transmission scheme indicating the first signal is the third transmission scheme;
- the ninth condition includes:
- the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme
- the transmission mode configuration information is not configured as a value corresponding to the first transmission scheme
- the number of CDM groups where the DMRS port of the first signal is located is 2; and, the following:
- the first signal is associated with 2 TCI states
- the DMRS port of the first signal is associated with 2 TCI states
- the third transmission scheme, the second transmission scheme and the first transmission scheme are different from each other.
- Embodiments of the present disclosure also provide an information processing apparatus, including:
- a first receiving unit configured to receive configuration information related to the transmission mode
- a first determining unit configured to determine whether the transmission scheme of the first signal is the first transmission scheme according to the configuration information related to the transmission mode
- the configuration information related to the transmission mode includes the following:
- Transmission mode configuration information demodulation reference signal DMRS port indication information of the first signal, TDRA indication information about the time domain resource allocation of the first signal, and/or whether the terminal is in a high-speed rail scenario and/or frequency pre-compensation Scene indication information of the scene;
- a data layer of the first signal and at least two reference signals have a quasi-co-located QCL relationship with respect to at least one channel large-scale parameter; and/or, a DMRS port of the first signal Having a QCL relationship with at least two reference signals with respect to at least one channel large-scale parameter.
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the relevant configuration information of the transmission mode includes:
- the DMRS port indication information determine the number of code division multiplexing CDM groups where the DMRS port of the first signal is located, and/or the quasi-co-located QCL indication information of the DMRS port of the first signal;
- the transmission scheme of the first signal is the first transmission scheme.
- determining whether the transmission scheme of the first signal is the first transmission scheme according to the QCL indication information including:
- the transmission scheme of the first signal is the first transmission scheme.
- determine whether the transmission scheme of the first signal is the first transmission scheme including:
- the first condition includes:
- the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme
- All DMRS ports of the first signal are located in a CDM group; and, the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- the second transmission scheme is different from the first transmission scheme.
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the relevant configuration information of the transmission mode includes:
- the second condition includes a value corresponding to the first transmission scheme indicated by the transmission mode configuration information.
- the DMRS port indication information includes QCL indication information of the DMRS port of the first signal
- the second condition also includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states.
- the second condition further includes: the number of code division multiplexing CDM groups where the DMRS port of the first signal is located is one.
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the relevant configuration information of the transmission mode includes:
- the third condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least one TCI state that satisfies the fourth condition
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least one TCI state that satisfies the fourth condition
- the fourth condition includes: the number of QCL types associated with at least two reference signals is at least one.
- the third condition further includes: the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme;
- the second transmission scheme is different from the first transmission scheme.
- determining whether the transmission scheme of the first signal is the first transmission scheme according to the QCL type information including:
- the fifth condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- a QCL type included in a TCI state in the at least two TCI states is the first type, and a QCL type included in a TCI state is the second type;
- the large-scale parameters of the channel included in the first type are all large-scale parameters of the delay characteristic channel
- the second type includes large-scale parameters of the delay characteristic channel and large-scale parameters of the frequency characteristic channel.
- determining whether the transmission scheme of the first signal is the first transmission scheme according to the QCL type information including:
- the sixth condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- a QCL type included in a TCI state in the at least two TCI states is the first type
- a QCL type included in a TCI state is the third type
- the large-scale parameters of the channel included in the first type are all delay characteristic parameters
- the large-scale parameters of the channel included in the third type are all frequency characteristic parameters.
- the second determination unit is configured to determine the frequency of the downlink signal according to the reference signal corresponding to the QCL type indicated in the TCI state and including the large-scale parameter of the frequency characteristic channel; and/or,
- the transmission frequency of the uplink signal is determined according to the reference signal corresponding to the QCL type indicated in the TCI state and including the large-scale parameters of the frequency characteristic channel.
- determining whether the transmission scheme of the first signal is the first transmission scheme according to the QCL type information including:
- the seventh condition includes:
- a reference signal having a QCL relationship with the DMRS port having a large-scale parameter with respect to the frequency characteristic of the channel is determined according to a first rule
- the QCL indication information indicates that the first signal is associated with at least two TCI states, and/or the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states;
- the at least two TCI states including two TCI states satisfy: one QCL type included is the second type;
- the second type includes large-scale parameters of the delay characteristic channel and large-scale parameters of the frequency characteristic channel.
- determining a reference signal having a QCL relationship with the DMRS port with respect to the large-scale parameters of the frequency characteristic channel according to the first rule including:
- the reference signal corresponding to the QCL type that includes the large-scale parameter of the frequency characteristic channel in the target TCI state is used as the reference signal having the QCL relationship with the DMRS port about the large-scale parameter of the frequency characteristic channel.
- the DMRS port indication information includes QCL indication information of the DMRS port of the first signal
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the relevant configuration information of the transmission mode includes:
- the eighth condition includes: the scene indication information indicates that the terminal is in a high-speed rail scene and/or a frequency pre-compensation scene, and the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states.
- the third determining unit is configured to determine the frequency of the downlink signal according to the reference signal used to determine the transmission frequency of the uplink signal.
- a fourth determining unit configured to determine the frequency of the downlink signal according to the reference signal having a QCL relationship with the DMRS port of the first signal with respect to the large-scale parameter of the frequency characteristic channel;
- the transmission frequency of the uplink signal is determined according to the reference signal having a QCL relationship with the DMRS port of the first signal with respect to the large-scale parameter of the frequency characteristic channel.
- a fifth determining unit configured to determine that the transmission scheme of the first signal is the third transmission scheme when the ninth condition is satisfied
- the ninth condition includes:
- the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme
- the transmission mode configuration information is not configured as a value corresponding to the first transmission scheme
- the number of CDM groups where the DMRS port of the first signal is located is 2; and, the following:
- the first signal is associated with 2 TCI states
- the DMRS port of the first signal is associated with 2 TCI states
- the third transmission scheme, the second transmission scheme and the first transmission scheme are different from each other.
- Embodiments of the present disclosure also provide an information processing apparatus, including:
- a first sending unit configured to send configuration information related to the transmission mode to indicate whether the transmission scheme of the first signal is the first transmission scheme
- the configuration information related to the transmission mode includes the following:
- Transmission mode configuration information demodulation reference signal DMRS port indication information of the first signal, time domain resource allocation TDRA indication information about the first signal, and/or whether the terminal is in a high-speed rail scenario and/or frequency pre-compensation Scene indication information of the scene;
- a data layer of the first signal and at least two reference signals have a quasi-co-located QCL relationship with respect to at least one channel large-scale parameter; and/or, a DMRS port of the first signal Having a QCL relationship with at least two reference signals with respect to at least one channel large-scale parameter.
- the sending transmission mode related configuration information to indicate whether the transmission scheme of the first signal is the first transmission scheme, including:
- the number of code division multiplexing CDM groups where the DMRS port of the first signal is located is indicated, and/or the quasi-co-located QCL indication information of the DMRS port of the first signal, to indicate the number of the DMRS port of the first signal. Whether the transmission scheme of a signal is the first transmission scheme.
- use the DMRS port indication information to indicate QCL indication information to indicate whether the transmission scheme of the first signal is the first transmission scheme including:
- the QCL type information is indicated, and/or the number information of the transmission configuration indication state TCI state is used to indicate whether the transmission scheme of the first signal is the first transmission scheme.
- the DMRS port indication information indicates the number of code division multiplexing CDM groups where the DMRS port of the first signal is located, and/or the quasi-co-located QCL of the DMRS port of the first signal
- the indication information to indicate whether the transmission scheme of the first signal is the first transmission scheme including:
- the first condition includes:
- the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme
- All DMRS ports of the first signal are located in a CDM group; and, the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- the second transmission scheme is different from the first transmission scheme.
- the sending transmission mode related configuration information to indicate whether the transmission scheme of the first signal is the first transmission scheme, including:
- the second condition includes a value corresponding to the first transmission scheme indicated by the transmission mode configuration information.
- the DMRS port indication information includes QCL indication information of the DMRS port of the first signal
- the second condition also includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states.
- the second condition further includes: the number of code division multiplexing CDM groups where the DMRS port of the first signal is located is one.
- the sending transmission mode related configuration information to indicate whether the transmission scheme of the first signal is the first transmission scheme, including:
- the third condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least one TCI state that satisfies the fourth condition
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least one TCI state that satisfies the fourth condition
- the fourth condition includes: the number of QCL types associated with at least two reference signals is at least one.
- the third condition further includes: the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme;
- the second transmission scheme is different from the first transmission scheme.
- use the QCL indication information to indicate QCL type information to indicate whether the transmission scheme of the first signal is the first transmission scheme including:
- the fifth condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- a QCL type included in a TCI state in the at least two TCI states is the first type, and a QCL type included in a TCI state is the second type;
- the large-scale parameters of the channel included in the first type are all large-scale parameters of the delay characteristic channel
- the second type includes large-scale parameters of the delay characteristic channel and large-scale parameters of the frequency characteristic channel.
- use the QCL indication information to indicate QCL type information to indicate whether the transmission scheme of the first signal is the first transmission scheme including:
- the sixth condition includes the following:
- the QCL indication information indicates that the first signal is associated with at least two TCI states
- the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states
- a QCL type included in a TCI state in the at least two TCI states is the first type
- a QCL type included in a TCI state is the third type
- the large-scale parameters of the channel included in the first type are all delay characteristic parameters
- the large-scale parameters of the channel included in the third type are all frequency characteristic parameters.
- the first indicating unit is used to indicate the reference signal corresponding to the QCL type including the large-scale parameter of the frequency characteristic channel through the TCI state.
- use the QCL indication information to indicate QCL type information to indicate whether the transmission scheme of the first signal is the first transmission scheme including:
- the seventh condition includes:
- a reference signal having a QCL relationship with the DMRS port having a large-scale parameter with respect to the frequency characteristic of the channel is determined according to a first rule
- the QCL indication information indicates that the first signal is associated with at least two TCI states, and/or the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states;
- the at least two TCI states including two TCI states satisfy: one QCL type included is the second type;
- the second type includes large-scale parameters of the delay characteristic channel and large-scale parameters of the frequency characteristic channel.
- the second sending unit is used to send the first indication information for indicating the target TCI state
- the reference signal corresponding to the QCL type of the large-scale parameter of the frequency characteristic channel included in the target TCI state is a reference signal having a QCL relationship with the DMRS port about the large-scale parameter of the frequency characteristic channel.
- the DMRS port indication information includes QCL indication information of the DMRS port of the first signal
- the sending transmission mode related configuration information to indicate whether the transmission scheme of the first signal is the first transmission scheme including:
- the information that satisfies the eighth condition is indicated by the transmission mode-related configuration information, and the transmission scheme indicating the first signal is the first transmission scheme;
- the eighth condition includes: the scene indication information indicates that the terminal is in a high-speed rail scene and/or a frequency pre-compensation scene, and the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states.
- the second indicating unit is used to indicate the reference signal used to determine the transmission frequency of the uplink signal.
- a third indicating unit configured to indicate a reference signal that has a QCL relationship with the DMRS port of the first signal with respect to a large-scale parameter of a frequency characteristic channel.
- a fourth indicating unit configured to indicate information satisfying the ninth condition through the transmission mode-related configuration information, so as to indicate that the transmission scheme of the first signal is the third transmission scheme
- the ninth condition includes:
- the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme
- the transmission mode configuration information is not configured as a value corresponding to the first transmission scheme
- the number of CDM groups where the DMRS port of the first signal is located is 2; and, the following:
- the first signal is associated with 2 TCI states
- the DMRS port of the first signal is associated with 2 TCI states
- the third transmission scheme, the second transmission scheme and the first transmission scheme are different from each other.
- An embodiment of the present disclosure further provides a processor-readable storage medium, where a computer program is stored in the processor-readable storage medium, and the computer program is used to cause the processor to execute the above-mentioned information processing method.
- the transmission mode related configuration information is received; according to the transmission mode related configuration information, it is determined whether the transmission scheme of the first signal is the first transmission scheme; wherein, the transmission mode related configuration information includes the following: transmission mode configuration information, the demodulation reference signal DMRS port indication information of the first signal, the time domain resource allocation TDRA indication information about the first signal, and/or whether the terminal is in a high-speed rail scenario and/or a frequency pre-compensation scenario scenario Indication information; in the first transmission scheme, a data layer of the first signal and at least two reference signals have a quasi-co-located QCL relationship with respect to at least one channel large-scale parameter; and/or, the first signal's One DMRS port and at least two reference signals have a QCL relationship with respect to at least one channel large-scale parameter; accurate identification of the first transmission scheme can be achieved, and furthermore, when there are multiple Multi-TRP transmission schemes in the system, the specific transmission scheme can be accurately determined.
- the transmission scheme is a good solution to the problem in the
- FIG. 1 is a schematic diagram of an architecture of a wireless communication system according to an embodiment of the present disclosure
- FIG. 2 is a schematic flowchart 1 of an information processing method according to an embodiment of the present disclosure
- FIG. 3 is a second schematic flowchart of an information processing method according to an embodiment of the present disclosure.
- FIG. 4 is a schematic diagram 1 of a specific implementation flow of an information processing method according to an embodiment of the present disclosure
- FIG. 5 is a schematic diagram 2 of a specific implementation flow of an information processing method according to an embodiment of the present disclosure
- FIG. 6 is a schematic diagram 3 of a specific implementation flow of an information processing method according to an embodiment of the present disclosure
- FIG. 7 is a fourth schematic diagram of a specific implementation flow of the information processing method according to an embodiment of the present disclosure.
- FIG. 8 is a schematic diagram 5 of a specific implementation flow of an information processing method according to an embodiment of the present disclosure.
- FIG. 9 is a sixth schematic diagram of a specific implementation flow of the information processing method according to an embodiment of the present disclosure.
- FIG. 10 is a schematic diagram 7 of a specific implementation flow of the information processing method according to an embodiment of the present disclosure.
- FIG. 11 is a schematic diagram 8 of a specific implementation flow of the information processing method according to an embodiment of the present disclosure.
- FIG. 12 is a schematic diagram 9 of a specific implementation flow of the information processing method according to an embodiment of the present disclosure.
- FIG. 13 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
- FIG. 14 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
- FIG. 15 is a first structural schematic diagram of an information processing apparatus according to an embodiment of the disclosure.
- FIG. 16 is a second schematic structural diagram of an information processing apparatus according to an embodiment of the disclosure.
- the term "and/or" describes the association relationship of associated objects, and indicates that there can be three kinds of relationships. For example, A and/or B can indicate that A exists alone, A and B exist at the same time, and B exists alone these three situations.
- the character “/” generally indicates that the associated objects are an "or" relationship.
- the term “plurality” refers to two or more than two, and other quantifiers are similar.
- the applicable system may be a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) general packet Wireless service (general packet radio service, GPRS) system, long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD) system, Long term evolution advanced (LTE-A) system, universal mobile telecommunication system (UMTS), worldwide interoperability for microwave access (WiMAX) system, 5G New Radio (New Radio, NR) system, etc.
- GSM global system of mobile communication
- CDMA code division multiple access
- WCDMA wideband Code Division Multiple Access
- general packet Wireless service general packet Radio service
- GPRS general packet Wireless service
- LTE long term evolution
- LTE frequency division duplex frequency division duplex
- time division duplex time division duplex
- TDD Time division duplex
- FIG. 1 shows a block diagram of a wireless communication system to which an embodiment of the present disclosure can be applied.
- a wireless communication system includes terminals and network equipment.
- the terminal involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing device connected to a wireless modem.
- the name of the terminal may be different.
- the terminal may be called user equipment (User Equipment, UE).
- a wireless terminal can communicate with one or more core networks (Core Network, CN) via a Radio Access Network (RAN), and the wireless terminal can be a mobile terminal device, such as a mobile phone (or a "cellular" phone).
- Core Network Core Network
- RAN Radio Access Network
- a computer with a mobile terminal device eg, a portable, pocket-sized, hand-held, computer-built or vehicle-mounted mobile device, which exchange language and/or data with the radio access network.
- a mobile terminal device eg, a portable, pocket-sized, hand-held, computer-built or vehicle-mounted mobile device, which exchange language and/or data with the radio access network.
- PCS Personal Communication Service
- SIP Session Initiated Protocol
- WLL Wireless Local Loop
- PDA Personal Digital Assistants
- a wireless terminal may also be referred to as a system, subscriber unit, subscriber station, mobile station, mobile station, remote station, access point, A remote terminal device (remote terminal), an access terminal device (access terminal), a user terminal device (user terminal), a user agent (user agent), and a user device (user device) are not limited in the embodiments of the present disclosure.
- the network device involved in the embodiments of the present disclosure may be a base station, and the base station may include a plurality of cells providing services for the terminal.
- the base station may also be called an access point, or may be a device in an access network that communicates with a wireless terminal through one or more sectors on an air interface, or other names.
- the network equipment can be used to exchange received air frames with Internet Protocol (IP) packets, and act as a router between the wireless terminal and the rest of the access network, which can include the Internet Protocol (IP) communication network.
- IP Internet Protocol
- the network devices may also coordinate attribute management for the air interface.
- the network device involved in the embodiments of the present disclosure may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile Communications (GSM) or Code Division Multiple Access (Code Division Multiple Access, CDMA). ), it can also be a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or it can be an evolved network device in a long term evolution (LTE) system (evolutional Node B, eNB or e-NodeB), 5G base station (gNB) in 5G network architecture (next generation system), or Home evolved Node B (HeNB), relay node (relay node) , a home base station (femto), a pico base station (pico), etc., which are not limited in the embodiments of the present disclosure.
- a network device may include a centralized unit (CU) node and a distributed unit (DU) node, and the centralized unit and the distributed unit may also be geographically separated.
- One or more antennas can be used between the network device and the terminal for multiple input multiple output (Multi Input Multi Output, MIMO) transmission, and the MIMO transmission can be single user MIMO (Single User MIMO, SU-MIMO) or multi-user MIMO ( Multiple User MIMO, MU-MIMO).
- MIMO transmission can be 2D-MIMO, 3D-MIMO, FD-MIMO, or massive-MIMO, or diversity transmission, precoding transmission, or beamforming transmission.
- the multiple transmission schemes of downlink signals involved in the embodiments of the present disclosure include:
- SDM Spatial Division Multiplexing
- DMRS Demodulation-Reference Signal
- the quasi co-location QCL (quasi co-location) information of the downlink signal and its DMRS port is determined according to a TCI codepoint (code point) including two transmission configuration indicators (Transmission Configuration Indicator, TCI) state (state).
- TCI codepoint can be called the TCI codepoint corresponding to the downlink signal.
- the information in the TCI state associated with the TCI codepoint is the QCL information of the downlink signal.
- the reference signal in the TCI state associated with the TCI codepoint is the QCL reference signal of the downlink signal.
- Transmission schemes (1)-(5) are different in that the association between the transmission configuration indication state (Transmission Configuration Indication state, TCI state) and the DMRS port of the downlink signal on time-frequency resources is different.
- TCI state Transmission Configuration Indication state
- a TCI state may include the identifier of the TCI state, the QCL type, and the reference signal corresponding to the QCL type.
- TCI state includes QCL type information (such as qcl-Type1, indicated by QCL-Info) and TCI state identifier (such as tci-StateId, indicated by TCI-StateId).
- QCL-Info includes the specific QCL type (qcl-Type, the value can be one of ⁇ typeA, typeB, typeC, typeD ⁇ , where type A includes the channel large scale Parameters ⁇ average delay, delay spread, Doppler shift, Doppler spread ⁇ , type B includes channel large-scale parameters ⁇ Doppler frequency shift, Doppler spread ⁇ , type C includes channel large-scale parameters ⁇ Average delay, Doppler frequency shift ⁇ , type D includes channel large-scale parameters ⁇ receive space parameters ⁇ ), reference signal type (such as csi-rs, SSB), reference signal identifier (such as NZP-CSI-RS-ResourceId, SSB-Index), the cell where the reference signal is located (cell), and the bandwidth part BWP (bwp-Id).
- QCL-Info includes the specific QCL type (qcl-Type, the value can be one of ⁇ typeA, typeB, typeC, typeD ⁇ , where type A includes the channel large scale Parameters ⁇ average delay,
- the reference signal in the same QCL-Info is associated with the QCL type, that is, the reference signal in one QCL-Info is the reference signal corresponding to the QCL type indicated by the QCL-Info.
- some ways to determine the QCL reference signal of the downlink signal are:
- the TCI state corresponding to the downlink signal transmission is the TCI state configured by the RRC signaling
- the reference signal included in the TCI state is the QCL reference signal of the downlink signal.
- the TCI state corresponding to the downlink signal transmission can be indicated by the medium access control control unit MAC-CE signaling.
- An implementation method is: RRC signaling configures multiple TCI states, MAC-CE signaling activates one TCI codepoint, the TCI codepoint corresponds to one or more TCI states configured by RRC, and the TCI codepoint corresponding to the downlink signal is MAC-CE. Activated TCI codepoint.
- the reference signal included in the TCI state associated with the TCI codepoint is the QCL reference signal of the downlink signal.
- RRC signaling configures multiple TCI states
- MAC-CE signaling configures multiple TCI codepoints for TCI domain activation and deactivation in DCI
- each TCI codepoint corresponds to one or more TCI states
- the TCI field in the DCI selects a TCI codepoint from the multiple TCI codepoints activated by the MAC-CE as the TCI codepoint corresponding to the downlink signal.
- the reference signal included in the TCI state associated with the TCI codepoint corresponding to the downlink signal is the QCL reference signal of the downlink signal.
- the above-mentioned DCI is the DCI for scheduling the downlink signal.
- the downlink signal may be a downlink shared channel PDSCH signal, a downlink control channel PDCCH signal, an SSB, and the like.
- PDSCH signal is used as an example for description in many places.
- the DMRS ports of PDSCH are in two code division multiplexing (Code Division Multiplexing, CDM) groups, wherein the DMRS ports of one CDM group are associated with one TCI state, and the DMRS ports of the other CDM group are associated with another TCI state.
- CDM Code Division Multiplexing
- the Transport Block (TB) of the same PDSCH transmission opportunity is associated with two TCI states, the two TCI states are respectively associated with a set of resources, and the resources associated with the two TCI states do not overlap in the frequency domain.
- a TCI state is associated with a set of resources means that the DMRS port of the PDSCH is associated with this TCI state on this set of resources.
- the same PDSCH TB is transmitted through two PDSCH transmission occasions, each of which is associated with a TCI state, and the two PDSCH transmission occasions do not overlap in the frequency domain.
- TDM scheme 3 The number of PDSCH transmission occurrences depends on the number of TCI states included in the indicated TCI codepoint for the PDSCH:
- TDM 3 When a TCI codepoint including two TCI states is indicated, PDSCH is transmitted in a given time slot through two PDSCH transmission occasions, each PDSCH transmission occasion is associated with one TCI state, and two TCI states are associated The PDSCH transmission occurrences do not overlap in the time domain (TDM 3).
- TDM 3 falls back to the basic transmission scheme.
- TDM scheme 4 PDSCH is transmitted through multiple PDSCH transmission occurrences.
- TDM 4 When a TCI codepoint including two TCI states is indicated, PDSCH is transmitted through multiple PDSCH transmission occasions, different PDSCH transmission occasions are transmitted on different time slots, and each TCI state is associated with one or more PDSCH transmissions occasion, and the two TCI states are respectively associated with different PDSCH transmission occurrences (TDM 4).
- the DMRS port corresponding to the transmission occasion of the PDSCH is also associated with the TCI state.
- the DMRS port corresponding to the TB of the PDSCH is also associated with the TCI state.
- the basic transmission scheme means that the PDSCH is only associated with one TCI state.
- a DMRS port is associated with a TCI state means that the TCI state is used to indicate the QCL information of the DMRS port.
- a TCI state is associated with a group of resources means that this TCI state is used to indicate the QCL information of the DMRS port and/or the PDSCH layer on the group of resources.
- a TCI state associated with a PDSCH transmission opportunity means that this TCI state is used to indicate the QCL information of the PDSCH layer and/or the DMRS port of the PDSCH in the PDSCH transmission opportunity.
- the above-mentioned QCL information that a certain TCI state is used to indicate a DMRS port refers to that the TCI state is used to indicate a reference signal that has a QCL relationship with the DMRS port.
- the above-mentioned QCL information of a layer in which a certain TCI state is used to indicate a signal refers to the reference signal that this TCI state is used to indicate a QCL relationship with the layer.
- the basic transmission scheme of PDSCH is: all DMRS ports of PDSCH are associated with the same TCI state, and all QCL types in the TCI state have only one associated reference signal.
- multiple transmission and reception points can be multiple remote radio heads (Remote Radio Head, RRH) )
- TRP Transmission/Receiption Point
- RRH Remote Radio Head
- large-scale parameters such as the Doppler frequency shift of the channel of the downlink signal can be determined by a Quasi Co-Location (QCL) reference signal sent through multiple TRPs at the same time, and according to the large-scale parameters, determine the Channel estimation interpolation coefficients are used to estimate the channel.
- QCL Quasi Co-Location
- the network device may send the QCL information of the DMRS port of the downlink signal to the terminal, where the QCL information includes the QCL type and reference signals associated with each QCL type.
- a QCL type contains one or more large-scale parameters of the channel, and the terminal can deduce these large-scale parameters of the channel of the DMRS port through these large-scale parameters of the channel of the reference signal corresponding to the QCL type, so as to better Perform channel estimation for downlink signals.
- the large-scale parameter A of the channel of one antenna port can be inferred from the large-scale parameter A of the channel of another antenna port, it is considered that the two antenna ports have a QCL relationship with respect to the large-scale parameter A of the channel.
- the large-scale parameter A of the channel of a layer of a signal can be inferred from the large-scale parameter A of the channel of an antenna port, it is considered that this layer and the antenna port have a QCL relationship with respect to the large-scale parameter A of the channel.
- each TRP sends its own corresponding reference signal, and the terminal jointly determines the channel estimation coefficient of the downlink channel based on the multiple reference signals, so as to better estimate the downlink channel.
- one data layer and/or one DMRS port of the PDSCH has a QCL (Quasi Co-Location) relationship with multiple reference signals with respect to at least one channel large-scale parameter.
- the embodiments of the present disclosure provide an information processing method, apparatus, terminal, and network equipment to solve the problem that a specific transmission scheme cannot be accurately determined when there are multiple Multi-TRP transmission schemes in the system in the related art.
- the information processing method, device, terminal and network equipment are based on the same concept. Since the information processing method, device, terminal and network equipment solve problems in similar principles, the implementation of the information processing method, device, terminal and network equipment can interact with each other. See, the repetition will not be repeated.
- the information processing method provided by the embodiment of the present disclosure which can be applied to a terminal, as shown in FIG. 2 , includes:
- Step 21 Receive configuration information related to the transmission mode
- Step 22 Determine whether the transmission scheme of the first signal is the first transmission scheme according to the transmission mode related configuration information; wherein, the transmission mode related configuration information includes the following: transmission mode configuration information, solution of the first signal Adjustment reference signal DMRS port indication information, time domain resource allocation TDRA indication information about the first signal, and/or scene indication information about whether the terminal is in a high-speed rail scenario and/or a frequency pre-compensation scenario; the first transmission scheme A data layer of the first signal and at least two reference signals have a quasi-co-located QCL relationship with respect to at least one channel large-scale parameter; and/or, a DMRS port of the first signal and at least two reference signals There is a QCL relationship with respect to at least one channel large-scale parameter.
- the transmission mode related configuration information includes the following: transmission mode configuration information, solution of the first signal Adjustment reference signal DMRS port indication information, time domain resource allocation TDRA indication information about the first signal, and/or scene indication information about whether the terminal is in a high-speed rail scenario and/or
- the first signal may be a signal of a first channel, and the first channel includes: a downlink shared channel PDSCH, and/or an uplink shared channel PUSCH, and/or an uplink control channel PUCCH; the transmission mode configuration information may be through Radio resource control RRC signaling, and/or medium access control control unit MAC-CE signaling, and/or downlink control information DCI signaling.
- a data layer of the first signal and at least two reference signals have a quasi-co-located QCL relationship with respect to at least one channel large-scale parameter; and/or, the One DMRS port of the first signal and at least two reference signals have a QCL relationship with respect to at least one channel large-scale parameter
- the signal has a QCL relationship with respect to the same channel large-scale parameter; and/or, one DMRS port of the first signal and at least two reference signals have a QCL relationship with respect to the same at least one channel large-scale parameter.
- the terminal may specifically be instructing the network device to perform frequency pre-compensation for downlink signals, but it is not limited thereto.
- the configuration information related to the transmission mode is received; according to the configuration information related to the transmission mode, it is determined whether the transmission scheme of the first signal is the first transmission scheme; wherein, the configuration information related to the transmission mode includes the following: transmission mode Mode configuration information, demodulation reference signal DMRS port indication information of the first signal, TDRA indication information about the time domain resource allocation of the first signal, and/or whether the terminal is in a high-speed rail scenario and/or a frequency pre-compensation scenario scene indication information; in the first transmission scheme, one data layer of the first signal and at least two reference signals have a quasi-co-located QCL relationship with respect to at least one channel large-scale parameter; and/or, the first One DMRS port of the signal and at least two reference signals have a QCL relationship with respect to at least one channel large-scale parameter; accurate identification of the first transmission scheme can be achieved, and further accurate identification of the first transmission scheme can be achieved when there are multiple Multi-TRP transmission schemes in the system. Determining the specific transmission
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the configuration information related to the transmission mode includes: determining the DMRS port of the first signal according to the DMRS port indication information The number of the code division multiplexing CDM group where it is located, and/or the quasi-co-located QCL indication information of the DMRS port of the first signal; according to the number, and/or the QCL indication information, determine whether the transmission scheme of the first signal is is the first transmission scheme.
- the "quasi-co-located QCL indication information of the DMRS port” may be specifically implemented as: QCL indication information of the DMRS port of the layer of the first signal, but is not limited thereto.
- the QCL information of the DMRS port is indicated by the QCL indication information about the layer of the first signal.
- the reference signal used to determine a certain channel large-scale parameter of a layer of the first signal is the reference signal used to determine this The parameter signal of the channel large-scale parameter of the DMRS port corresponding to the layer.
- determining whether the transmission scheme of the first signal is the first transmission scheme according to the QCL indication information includes: determining the QCL type information according to the QCL indication information, and/or transmitting the number information of the configuration indication state TCI state; According to the QCL type information and/or the number information of the TCI state, it is determined whether the transmission scheme of the first signal is the first transmission scheme.
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the number and/or the QCL indication information includes: when the first condition is satisfied, determining that the transmission scheme of the first signal is A first transmission scheme; wherein the first condition includes: the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme; all DMRS ports of the first signal are located in one CDM group and, the following: the QCL indication information indicates that the first signal is associated with at least two TCI states, and/or the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states; wherein, The second transmission scheme is different from the first transmission scheme.
- the transmission configuration indication code point TCI codepoint indicated by the transmission configuration indication field in the DCI of the scheduling first signal includes at least two TCI states, and the "all TCI states” here
- the QCL indication information indicates that the first signal is associated with at least two TCI states", and/or, "the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states", corresponding specifically to:
- the transmission configuration indication code point TCI codepoint corresponding to the DMRS port of the first signal and/or the first signal includes at least two TCI states; the following content can also be referred to here regarding "associating at least two TCI states", and no subsequent Repeat.
- the second transmission scheme may specifically be the above-mentioned TDM 4 scheme, but is not limited thereto.
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the relevant configuration information of the transmission mode includes: when the second condition is satisfied, determining that the transmission scheme of the first signal is the first transmission scheme; wherein, the second condition includes a value corresponding to the first transmission scheme indicated by the transmission mode configuration information.
- the DMRS port indication information includes the QCL indication information of the DMRS port of the first signal; the second condition further includes the following: the QCL indication information indicates that the first signal is associated with at least two TCI states, and/or the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states.
- the second condition further includes: the number of code division multiplexing CDM groups where the DMRS port of the first signal is located is one.
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the relevant configuration information of the transmission mode includes: when the third condition is satisfied, determining that the transmission scheme of the first signal is the first transmission scheme; wherein, the third condition includes the following: the QCL indication information indicates that the first signal is associated with at least one TCI state that satisfies the fourth condition; and/or the QCL indication information indicates the DMRS of the first signal
- the third condition includes the following: the QCL indication information indicates that the first signal is associated with at least one TCI state that satisfies the fourth condition; and/or the QCL indication information indicates the DMRS of the first signal
- the port is associated with at least one TCI state that satisfies the fourth condition; the fourth condition includes: the number of QCL types associated with at least two reference signals is at least one.
- the third condition further includes: the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme; wherein the second transmission scheme is the same as the first transmission scheme.
- the transmission scheme is different.
- Manner 7 determining whether the transmission scheme of the first signal is the first transmission scheme, comprising: determining that the transmission scheme of the first signal is the first transmission scheme when the fifth condition is satisfied;
- the fifth condition includes the following: the QCL indication information indicates that the first signal is associated with at least two TCI states, and/or the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states state; wherein, one QCL type included in one TCI state in the at least two TCI states is the first type, and one QCL type included in one TCI state is the second type; the large-scale parameters of the channel included in the first type Both are large-scale parameters of time-delay characteristic channels; the second type includes large-scale parameters of time-delay characteristic channels and large-scale parameters of frequency characteristic channels.
- the large-scale channel parameters included in the first type may specifically be ⁇ average delay, delay spread ⁇ or ⁇ latency spread ⁇ or ⁇ average delay ⁇ , but not limited; the second type The included large-scale parameters of the channel may specifically be ⁇ average delay, delay spread, Doppler frequency offset, Doppler spread ⁇ , but not limited.
- determining whether the transmission scheme of the first signal is the first transmission scheme according to the QCL type information includes: in the case that the sixth condition is satisfied, determining that the transmission scheme of the first signal is the first transmission scheme A transmission scheme; wherein the sixth condition includes the following: the QCL indication information indicates that the first signal is associated with at least two TCI states, and/or the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states Two TCI states; wherein, a QCL type included in a TCI state in the at least two TCI states is the first type, and a QCL type included in a TCI state is the third type; the channel included in the first type
- the large-scale parameters are all time delay characteristic parameters; the large-scale parameters of the channel included in the third type are all frequency characteristic parameters.
- the large-scale channel parameters included in the first type may specifically be ⁇ average delay, delay spread ⁇ , which corresponds to the eighth mode; the large-scale channel parameters included in the first type may specifically be ⁇ time delay Delay spread ⁇ or ⁇ average delay ⁇ , corresponding to mode 9; but not limited thereto.
- the channel large-scale parameters included in the third type may specifically be ⁇ Doppler frequency offset, Doppler spread ⁇ .
- the information processing method further includes: according to the reference signal corresponding to the QCL type indicated in the TCI state and including the large-scale parameter of the frequency characteristic channel, determining the value of the downlink signal. frequency; and/or, according to the reference signal corresponding to the QCL type indicated in the TCI state and including the large-scale parameter of the frequency characteristic channel, determine the transmission frequency of the uplink signal.
- QCL type including large-scale parameters of frequency characteristic channel may be specifically implemented as: QCL type including ⁇ Doppler shift ⁇ and/or ⁇ Doppler spread ⁇ .
- Manner 10 determining whether the transmission scheme of the first signal is the first transmission scheme according to the QCL type information, comprising: in the case that the seventh condition is satisfied, determining that the transmission scheme of the first signal is the first transmission scheme;
- the seventh condition includes: determining a reference signal having a QCL relationship with the DMRS port with respect to a large-scale parameter of frequency characteristics of the channel according to the first rule; and, the QCL indication information indicates that the first signal is associated with at least Two TCI states, and/or, the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states; wherein, the at least two TCI states include two TCI states that both satisfy: one of the included ones
- the QCL type is the second type; the second type includes a large-scale parameter of a delay characteristic channel and a large-scale parameter of a frequency characteristic channel.
- determining a reference signal having a QCL relationship with the DMRS port having a large-scale parameter related to the frequency characteristics of the channel according to the first rule may be indicated by the network device, or determined according to a pre-defined manner or rule in the protocol . For example, if the network device indicates that the UE is in a frequency pre-compensation scenario and indicates the TCI state of mode ten, it is determined as the first transmission scheme.
- the channel large-scale parameters included in the third type may specifically be ⁇ average delay, delay spread, Doppler frequency offset, Doppler spread ⁇ .
- the transmission mode-related configuration information instructs the terminal to determine, according to the first rule, a reference signal that has a QCL relationship with the DMRS port that has a large-scale parameter about the frequency characteristic of the channel;
- determining a reference signal having a QCL relationship with the DMRS port about the large-scale parameters of the frequency characteristic channel includes: determining a target TCI state; The corresponding reference signal is used as a reference signal having a QCL relationship with the DMRS port with respect to the large-scale parameters of the frequency characteristic channel.
- the large-scale parameters of the frequency characteristic channel include ⁇ Doppler frequency offset, Doppler spread ⁇ .
- the transmission mode-related configuration information instructs the terminal to determine, according to the first rule, a reference signal that has a QCL relationship with the DMRS port that has a large-scale parameter about the frequency characteristic of the channel;
- determining a reference signal having a QCL relationship with the DMRS port with respect to the large-scale parameters of the frequency characteristic channel includes: ignoring the following large-scale channel parameters in the first TCI state: ⁇ Doppler frequency offset, Doppler frequency offset extension ⁇ .
- the first TCI state may be a TCI state determined according to a preset rule. For example, it is the TCI state with the smallest number among the multiple TCI states associated with the DMRS. For another example, it is the TCI state with the largest number among the multiple TCI states associated with the DMRS.
- determining a reference signal having a QCL relationship with the DMRS port with respect to the large-scale parameters of the frequency characteristic channel according to the first rule includes: determining the target TCI state according to the first indication information sent by the network device; The reference signal corresponding to the QCL type of the large-scale parameter of the frequency characteristic channel is included in the target TCI state as a reference signal having a QCL relationship with the DMRS port about the large-scale parameter of the frequency characteristic channel.
- the first indication information is transmitted through RRC signaling, and/or MAC-CE signaling, and/or DCI signaling.
- the information processing method further includes: receiving first indication information for indicating a target TCI state; the first rule is a frequency characteristic channel included in the target TCI state
- the reference signal corresponding to the QCL type of the large-scale parameter is a reference signal having a QCL relationship with the DMRS port with respect to the large-scale parameter of the frequency characteristic channel.
- the information processing method further includes: receiving first indication information for indicating a target TCI state; the first rule is that the UE ignores the frequency characteristics included in the target TCI state
- the reference signal corresponding to the QCL type of the channel large-scale parameter, and the reference signals corresponding to the QCL type of the frequency characteristic channel large-scale parameter in other TCI states are used to determine the frequency characteristic of the channel of the first signal. Large-scale parameters of the channel reference signal.
- the terminal ignores the reference signal corresponding to the QCL type including the large-scale parameter of the frequency characteristic channel in the target TCI state, and uses other TCI states to determine the frequency characteristic of the channel of the first signal.
- the information processing method further includes: receiving first indication information for indicating the target TCI state; QCL of the large-scale parameters of the delay characteristic channel included in the target TCI state
- the reference signal corresponding to the type is a reference signal having a QCL relationship with the DMRS port with respect to the large-scale parameters of the delay characteristic channel.
- the terminal uses the reference signal corresponding to the QCL type including the large-scale parameter of the delay characteristic channel in the target TCI state to determine the delay characteristic of the channel of the first signal, and does not use other TCI states to determine Frequency characteristics of the channel of the first signal.
- the information processing method further includes: receiving first indication information for indicating a target TCI state; the first rule is that the UE ignores the delay included in the target TCI state
- the reference signal corresponding to the QCL type of the large-scale parameter of the characteristic channel, and the reference signals corresponding to the QCL type of the large-scale parameter of the delay characteristic channel in other TCI states are used to determine the frequency characteristic of the channel of the first signal.
- the large-scale channel parameter reference signal After receiving the target TCI state, the terminal ignores the reference signal corresponding to the QCL type that includes the large-scale parameter of the delay characteristic channel in the target TCI state, and uses other TCI states to determine the delay characteristic of the channel of the first signal.
- the DMRS port indication information includes QCL indication information of the DMRS port of the first signal; the determining whether the transmission scheme of the first signal is the first transmission scheme according to the transmission mode-related configuration information, including : when the eighth condition is satisfied, determine that the transmission scheme of the first signal is the first transmission scheme; wherein, the eighth condition includes: the scene indication information indicates that the terminal is in a high-speed rail scene and/or a frequency pre-compensation scene, And the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states.
- the eighth condition in this manner may be used in combination with any of the above-mentioned conditions, which is not limited herein.
- the QCL indication information is indicated by RRC signaling.
- An implementation manner is: when the radio resource control RRC signaling is configured with only one TCI state for the first signal, the QCL indication information is the TCI state configured by the RRC signaling.
- the reference signal included in the TCI state associated with the TCI codepoint corresponding to the first signal is the first signal and/or the QCL reference signal of the DMRS port of the first signal.
- the QCL indication information is indicated by MAC-CE signaling of the medium access control control unit.
- An implementation method is: RRC signaling configures multiple TCI states for the first signal, and MAC-CE signaling activates a TCI codepoint for the first signal, and the TCI codepoint corresponds to one or more TCI states configured by RRC.
- the information indicated by CE signaling is the QCL indication information.
- the reference signal included in the TCI state corresponding to the TCI codepoint is the first signal and/or the QCL reference signal of the DMRS port of the first signal.
- the QCL indication information is indicated by a TCI field in the DCI of the scheduling first signal.
- the RRC signaling configuration indicates the TCI of the first signal through DCI
- the QCL indication information is the TCI codepoint corresponding to the first signal, which is indicated through the TCI field in the DCI.
- An implementation method is: RRC signaling configures multiple TCI states, MAC-CE signaling configures multiple TCI codepoints for TCI domain activation and deactivation in DCI, and each TCI codepoint corresponds to one or more TCI states , the TCI field in the DCI selects a TCI codepoint from the multiple TCI codepoints activated by the MAC-CE as the TCI codepoint corresponding to the first signal.
- the reference signal included in the TCI state corresponding to the TCI codepoint is the first signal and/or the QCL reference signal of the DMRS port of the first signal.
- the information processing method further includes: determining the frequency of the downlink signal according to the reference signal used to determine the transmission frequency of the uplink signal.
- the information processing method further includes: according to a reference signal having a QCL relationship with the DMRS port of the first signal with respect to the large-scale parameter of the frequency characteristic channel, determining the downlink signal frequency; and/or, determining the transmission frequency of the uplink signal according to the reference signal having a QCL relationship with the DMRS port of the first signal with respect to the large-scale parameter of the frequency characteristic channel.
- the "frequency characteristic channel large-scale parameter" here can be specifically implemented as Doppler spread and/or Doppler frequency shift, but not limited thereto.
- the information processing method further includes: when a ninth condition is satisfied, determining that the transmission scheme of the first signal is a third transmission scheme; wherein the ninth condition includes: scheduling the The TDRA field of the DCI of the first signal does not indicate a parameter corresponding to the second transmission scheme; the transmission mode configuration information is not configured as a value corresponding to the first transmission scheme; the DMRS port of the first signal is located.
- the number of CDM groups is 2; and, the following: the first signal is associated with 2 TCI states; and/or the DMRS port of the first signal is associated with 2 TCI states; the third transmission scheme, the second transmission scheme And the first transmission schemes are different from each other.
- the third transmission scheme can be specifically implemented as the above-mentioned SDM scheme 1a, but is not limited thereto.
- An embodiment of the present disclosure also provides an information processing method, which can be applied to a network device, as shown in FIG. 3 , including:
- Step 31 Send transmission mode related configuration information to indicate whether the transmission scheme of the first signal is the first transmission scheme; wherein the transmission mode related configuration information includes the following: transmission mode configuration information, demodulation of the first signal Reference signal DMRS port indication information, time domain resource allocation TDRA indication information about the first signal, and/or scene indication information about whether the terminal is in a high-speed rail scenario and/or a frequency pre-compensation scenario; in the first transmission scheme A data layer of the first signal and at least two reference signals have a quasi-co-located QCL relationship with respect to at least one channel large-scale parameter; and/or, a DMRS port of the first signal and at least two reference signals have a quasi-co-located QCL relationship; QCL relationship with respect to at least one channel large-scale parameter.
- the transmission mode related configuration information includes the following: transmission mode configuration information, demodulation of the first signal Reference signal DMRS port indication information, time domain resource allocation TDRA indication information about the first signal, and/or scene indication information about whether the terminal is in a
- the first signal may be a signal of a first channel, and the first channel includes: a downlink shared channel PDSCH, and/or an uplink shared channel PUSCH, and/or an uplink control channel PUCCH; the transmission mode configuration information may be through Radio resource control RRC signaling, and/or medium access control control unit MAC-CE signaling, and/or downlink control information DCI signaling.
- a data layer of the first signal and at least two reference signals have a quasi-co-located QCL relationship with respect to at least one channel large-scale parameter; and/or, the One DMRS port of the first signal and at least two reference signals have a QCL relationship with respect to at least one channel large-scale parameter
- the signals have a QCL relationship with respect to the same channel macroscale parameter; and/or, one DMRS port of the first signal and at least two reference signals have a QCL relationship with respect to the same at least one channel macroscale parameter.
- the terminal may specifically be instructing the network device to perform frequency pre-compensation for downlink signals, but it is not limited thereto.
- the transmission mode related configuration information is sent to indicate whether the transmission scheme of the first signal is the first transmission scheme; wherein the transmission mode related configuration information includes the following: transmission mode configuration information, the first transmission mode The demodulation reference signal DMRS port indication information of the signal, the time domain resource allocation TDRA indication information about the first signal, and/or the scene indication information about whether the terminal is in a high-speed rail scenario and/or a frequency pre-compensation scenario; the first signal In a transmission scheme, one data layer of the first signal and at least two reference signals have a quasi-co-located QCL relationship with respect to at least one channel large-scale parameter; and/or, one DMRS port of the first signal is associated with at least two Each reference signal has a QCL relationship with respect to at least one large-scale parameter of the channel; it can support the accurate identification of the first transmission scheme, and then accurately determine the specific transmission scheme when there are multiple Multi-TRP transmission schemes in the system. It is a good solution to the problem in the related art that a
- the sending the configuration information related to the transmission mode to indicate whether the transmission scheme of the first signal is the first transmission scheme includes: indicating, through the DMRS port indication information, where the DMRS port of the first signal is located The number of code division multiplexing CDM groups, and/or the quasi-co-located QCL indication information of the DMRS ports of the first signal, to indicate whether the transmission scheme of the first signal is the first transmission scheme.
- the "quasi-co-located QCL indication information of the DMRS port” may be specifically implemented as: QCL indication information of the DMRS port of the layer of the first signal, but is not limited thereto.
- the QCL information of the DMRS port is indicated by the QCL indication information about the layer of the first signal.
- the reference signal used to determine a certain channel large-scale parameter of a layer of the first signal is the reference signal used to determine this The parameter signal of the channel large-scale parameter of the DMRS port corresponding to the layer.
- indicating the QCL indication information through the DMRS port indication information to indicate whether the transmission scheme of the first signal is the first transmission scheme includes: indicating the QCL type information and/or transmission configuration indication through the QCL indication information The number information of the state TCI state, to indicate whether the transmission scheme of the first signal is the first transmission scheme.
- the DMRS port indication information indicates the number of code division multiplexing CDM groups where the DMRS port of the first signal is located, and/or the quasi-co-located QCL indication of the DMRS port of the first signal information to indicate whether the transmission scheme of the first signal is the first transmission scheme, including: information indicating that the first condition is satisfied, to indicate that the transmission scheme of the first signal is the first transmission scheme; wherein the first condition includes: The TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme; all DMRS ports of the first signal are located in one CDM group; and, the following: the QCL indication information indicates the The first signal is associated with at least two TCI states, and/or the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states; wherein the second transmission scheme is different from the first transmission scheme .
- the "information indicating that the first condition is met” may be specifically implemented as "information indicating that the first condition is met through the DMRS port indication information", but it is not limited thereto.
- the TDRA field of the DCI that schedules the first signal does not indicate the parameter corresponding to the second transmission scheme
- the first condition not on the indicated information.
- the transmission configuration indication codepoint TCI codepoint indicated by the transmission configuration indication field in the DCI of the scheduling first signal includes at least two TCI states.
- the indication information indicates that the first signal is associated with at least two TCI states", and/or, "the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states", which corresponds specifically to: the first signal
- the transmission configuration indication code point TCI codepoint corresponding to a signal and/or the DMRS port of the first signal includes at least two TCI states; the following content can also be referred to here for "associating at least two TCI states", which will not be repeated in the future. .
- the second transmission scheme may specifically be the above-mentioned TDM 4 scheme, but is not limited thereto.
- the sending the transmission mode related configuration information to indicate whether the transmission scheme of the first signal is the first transmission scheme including: indicating information that satisfies the second condition, to indicate that the transmission scheme of the first signal is the first transmission scheme ; wherein, the second condition includes a value corresponding to the first transmission scheme indicated by the transmission mode configuration information.
- the "information indicating that the second condition is met” may be specifically implemented as "information indicating that the second condition is met through the transmission mode-related configuration information", but it is not limited thereto.
- the “value corresponding to the first transmission scheme” may be specifically indicated by "transmission mode configuration information in the transmission mode-related configuration information", but it is not limited thereto.
- the DMRS port indication information includes the QCL indication information of the DMRS port of the first signal; the second condition further includes the following: the QCL indication information indicates that the first signal is associated with at least two TCI states, and/or the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states.
- the second condition further includes: the number of code division multiplexing CDM groups where the DMRS port of the first signal is located is one.
- the sending the configuration information related to the transmission mode to indicate whether the transmission scheme of the first signal is the first transmission scheme includes: indicating information that satisfies the third condition through the DMRS port indication information to indicate the transmission scheme of the first signal.
- the transmission scheme is the first transmission scheme; wherein, the third condition includes the following: the QCL indication information indicates that the first signal is associated with at least one TCI state that satisfies the fourth condition; and/or the QCL indication information indicates that the The DMRS port of the first signal is associated with at least one TCI state that satisfies the fourth condition; the fourth condition includes: the number of QCL types associated with at least two reference signals is at least one.
- the third condition further includes: the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme; wherein the second transmission scheme is the same as the first transmission scheme.
- the transmission scheme is different.
- Manner 7 using the QCL indication information to indicate the QCL type information to indicate whether the transmission scheme of the first signal is the first transmission scheme, including: indicating information that satisfies the fifth condition through the QCL indication information to indicate the first transmission scheme
- the transmission scheme of the signal is the first transmission scheme; wherein the fifth condition includes the following: the QCL indication information indicates that the first signal is associated with at least two TCI states, and/or the QCL indication information indicates that the first signal is associated with at least two TCI states.
- the DMRS port of a signal is associated with at least two TCI states; wherein, one QCL type included in one TCI state in the at least two TCI states is the first type, and one QCL type included in one TCI state is the second type; the The large-scale parameters of the channel included in the first type are all large-scale parameters of the delay characteristic channel; the second type includes the large-scale parameters of the delay characteristic channel and the large-scale parameter of the frequency characteristic channel.
- the large-scale channel parameters included in the first type may specifically be ⁇ average delay, delay spread ⁇ or ⁇ latency spread ⁇ or ⁇ average delay ⁇ , but not limited; the second type The included large-scale parameters of the channel may specifically be ⁇ average delay, delay spread, Doppler frequency offset, Doppler spread ⁇ , but not limited.
- the QCL indication information is used to indicate the QCL type information to indicate whether the transmission scheme of the first signal is the first transmission scheme, including: indicating the information that satisfies the sixth condition through the QCL indication information, to The transmission scheme indicating the first signal is the first transmission scheme; wherein, the sixth condition includes the following: the QCL indication information indicates that the first signal is associated with at least two TCI states, and/or the QCL indication information indicates The DMRS port of the first signal is associated with at least two TCI states; wherein, a QCL type included in a TCI state in the at least two TCI states is the first type, and a QCL type included in a TCI state is the third type ;
- the large-scale parameters of the channel included in the first type are all time delay characteristic parameters; the large-scale parameters of the channel included in the third type are all frequency characteristic parameters.
- the large-scale channel parameters included in the first type may specifically be ⁇ average delay, delay spread ⁇ , which corresponds to the eighth mode; the large-scale channel parameters included in the first type may specifically be ⁇ time delay Delay spread ⁇ or ⁇ average delay ⁇ , corresponding to mode 9; but not limited thereto.
- the channel large-scale parameters included in the third type may specifically be ⁇ Doppler frequency offset, Doppler spread ⁇ .
- the information processing method further includes: indicating a reference signal corresponding to the QCL type including the large-scale parameter of the frequency characteristic channel through the TCI state.
- QCL type including large-scale parameters of frequency characteristic channel may be specifically implemented as: QCL type including ⁇ Doppler shift ⁇ and/or ⁇ Doppler spread ⁇ .
- the QCL indication information to indicate the QCL type information to indicate whether the transmission scheme of the first signal is the first transmission scheme, comprising: using the QCL indication information to indicate information that satisfies the seventh condition to indicate the first transmission scheme
- the transmission scheme of the signal is the first transmission scheme; wherein the seventh condition includes: determining a reference signal having a QCL relationship with the DMRS port with respect to the large-scale parameters of the frequency characteristics of the channel according to the first rule; and, the QCL The indication information indicates that the first signal is associated with at least two TCI states, and/or the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states; wherein the at least two TCI states include Both TCI states satisfy: one of the included QCL types is the second type; the second type includes large-scale parameters of the delay characteristic channel and large-scale parameters of the frequency characteristic channel.
- determining a reference signal having a QCL relationship with the DMRS port having a large-scale parameter related to the frequency characteristics of the channel according to the first rule may be indicated by the network device, or determined according to a pre-defined manner or rule in the protocol . For example, if the network device indicates that the UE is in a frequency pre-compensation scenario and indicates the TCI state of mode ten, it is determined as the first transmission scheme.
- the channel large-scale parameters included in the third type may specifically be ⁇ average delay, delay spread, Doppler frequency offset, Doppler spread ⁇ .
- the information processing method further includes: sending first indication information for indicating the target TCI state; the QCL type of the frequency characteristic channel large-scale parameter included in the target TCI state
- the corresponding reference signal is a reference signal having a QCL relationship with the DMRS port with respect to a large-scale parameter of a frequency characteristic channel.
- the first indication information is transmitted through RRC signaling, and/or MAC-CE signaling, and/or DCI signaling.
- the DMRS port indication information includes QCL indication information of the DMRS port of the first signal; the sending transmission mode related configuration information to indicate whether the transmission scheme of the first signal is the first transmission scheme, including: The information that satisfies the eighth condition is indicated by the transmission mode related configuration information, and the transmission scheme indicating the first signal is the first transmission scheme; wherein, the eighth condition includes: the scene indication information indicates that the terminal is in a high-speed rail scene and /or a frequency pre-compensation scenario, and the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states.
- the eighth condition in this manner may be used in combination with any of the above-mentioned conditions, which is not limited herein.
- the QCL indication information is indicated by RRC signaling.
- An implementation manner is: when the radio resource control RRC signaling is configured with only one TCI state for the first signal, the QCL indication information is the TCI state configured by the RRC signaling.
- the reference signal included in the TCI state associated with the TCI codepoint corresponding to the first signal is the first signal and/or the QCL reference signal of the DMRS port of the first signal.
- the QCL indication information is indicated by MAC-CE signaling of the medium access control control unit.
- An implementation method is: RRC signaling configures multiple TCI states for the first signal, and MAC-CE signaling activates a TCI codepoint for the first signal, and the TCI codepoint corresponds to one or more TCI states configured by RRC.
- the information indicated by CE signaling is the QCL indication information.
- the reference signal included in the TCI state corresponding to the TCI codepoint is the first signal and/or the QCL reference signal of the DMRS port of the first signal.
- the QCL indication information is indicated by a TCI field in the DCI of the scheduling first signal.
- the RRC signaling configuration indicates the TCI of the first signal through DCI
- the QCL indication information is the TCI codepoint corresponding to the first signal, which is indicated through the TCI field in the DCI.
- An implementation method is: RRC signaling configures multiple TCI states, MAC-CE signaling configures multiple TCI codepoints for TCI domain activation and deactivation in DCI, and each TCI codepoint corresponds to one or more TCI states , the TCI field in the DCI selects a TCI codepoint from the multiple TCI codepoints activated by the MAC-CE as the TCI codepoint corresponding to the first signal.
- the reference signal included in the TCI state corresponding to the TCI codepoint is the first signal and/or the QCL reference signal of the DMRS port of the first signal.
- the information processing method further includes: indicating a reference signal used to determine the transmission frequency of the uplink signal.
- the information processing method further includes: a reference signal indicating a QCL relationship with the DMRS port of the first signal with respect to a large-scale parameter of a frequency characteristic channel.
- the "frequency characteristic channel large-scale parameter" here can be specifically implemented as Doppler spread and/or Doppler frequency shift, but not limited thereto.
- the information processing method further includes: indicating information that satisfies the ninth condition through the transmission mode-related configuration information, so as to indicate that the transmission scheme of the first signal is the third transmission scheme; wherein, the The ninth condition includes: the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme; the transmission mode configuration information is not configured as a value corresponding to the first transmission scheme; the The number of CDM groups where the DMRS port of the first signal is located is 2; and, the following: the first signal is associated with 2 TCI states; and/or the DMRS port of the first signal is associated with 2 TCI states; The three transmission scheme, the second transmission scheme, and the first transmission scheme are different from each other.
- the third transmission scheme can be specifically implemented as the above-mentioned SDM scheme 1a, but is not limited thereto.
- the first transmission scheme is hereinafter referred to as the transmission scheme of SDM 1c
- the first signal is a PDSCH signal as an example, hereinafter referred to as PDSCH for short .
- the embodiments of the present disclosure provide an information processing method, and it is described here that the systems applicable to the solutions provided by the embodiments of the present disclosure include but are not limited to NR systems, LTE systems, 6G systems, and systems of their evolved versions. Wait.
- the transmission scheme of SDM 1c includes:
- the data layer and/or DMRS ports of the PDSCH have a QCL relationship with the plurality of reference signals with respect to at least one channel macroscale parameter.
- all data layers and/or DMRS ports of PDSCH and multiple reference signals have a QCL relationship with respect to at least one channel large-scale parameter.
- one data layer and/or one DMRS port of PDSCH and multiple reference signals have a QCL relationship with respect to at least one channel large-scale parameter.
- a data layer of PDSCH and multiple reference signals have a QCL relationship related to the large-scale parameters of the same channel and/or a DMRS port of PDSCH and multiple reference signals have QCLs related to the large-scale parameters of the same channel. relation.
- any data layer of PDSCH and multiple reference signals have a QCL relationship related to the large-scale parameters of the same channel and/or any DMRS port of PDSCH and multiple reference signals have large-scale parameters related to the same channel. the QCL relationship.
- all data layers of PDSCH and multiple reference signals have a QCL relationship with respect to large-scale parameters of the same channel and/or all DMRS ports of PDSCH and multiple reference signals have large-scale parameters of the same channel.
- QCL relationship For example, the PDSCH has two DMRS ports (DMRS port 1 and DMRS port 2), and each of the two DMRS ports has a QCL relationship with a plurality of reference signals with respect to the large-scale parameter A of the channel.
- DMRS port 1 has a QCL relationship with reference signal RS 1 and reference signal RS 2 with respect to the channel large-scale parameter A;
- DMRS port 2 has a QCL relationship with reference signal RS 1 and reference signal RS 2 with respect to the channel large-scale parameter A.
- all DMRS ports of PDSCH and the same multiple reference signals have a QCL relationship with respect to the same channel large-scale parameter.
- both of these two DMRS ports have a QCL relationship with reference signal RS 1 and reference signal RS 2 with respect to the large-scale parameter A of the channel.
- the network device indicates to the UE the QCL relationship between the data layer/DMRS port of the PDSCH and the reference signal with respect to the large-scale parameters of the channel through the TCI indication information.
- One TCI indication information indicates one TCI codepoint, the TCI codepoint may be associated with one or more TCI states, and each TCI state includes one or more QCL types and reference signals corresponding to each QCL type.
- the TCI codepoint indicated by the TCI indication information is associated with multiple TCI states, and the QCL types included in the multiple TCI states are the same or different.
- the data layer/DMRS port of PDSCH and each reference signal indicated by these TCI states have a QCL relationship with respect to the QCL type corresponding to each reference signal.
- all data layer/DMRS ports of the PDSCH and each reference signal indicated by these TCI states have a QCL relationship with respect to the QCL type corresponding to each reference signal.
- any data layer/DMRS port of the PDSCH has a QCL relationship with each reference signal indicated by these TCI states about the QCL type corresponding to each reference signal.
- At least two of the multiple TCI states include a same QCL type.
- the data layer/DMRS port of the PDSCH and the reference signal corresponding to the one same QCL type included in the at least two TCI states have a QCL relationship with respect to the one same QCL type.
- the QCL types included in the multiple TCI states are the same or different:
- the QCL types included in at least two TCI states in the multiple TCI states correspond to at least one same large-scale channel parameter.
- one of the two TCI states includes QCL type A, and the large-scale parameters of the channel corresponding to QCL type A are ⁇ average delay, delay spread, Doppler frequency shift, Doppler spread ⁇ , and the other TCI
- the state includes QCL type B, and the channel large-scale parameters corresponding to QCL type B are ⁇ Doppler frequency shift, Doppler spread ⁇ , because the QCL types included in these two TCI states both correspond to Doppler frequency shift and Doppler extension, that is, there are two identical channel large-scale parameters, so that "at least two of the multiple TCI states include at least one of the QCL types included in the TCI state corresponds to at least one of the same channel large-scale parameters.”
- one of the two TCI states only includes QCL type B
- the channel large-scale parameters corresponding to QCL type B are ⁇ Doppler frequency shift, Doppler spread ⁇
- the other TCI state only includes QCL type.
- D the channel large-scale parameter corresponding to QCL type D is ⁇ spatial reception parameter ⁇ . Since the QCL types included in these two TCI states all correspond to different channel large-scale parameters, it does not satisfy the "at least two TCI states in multiple TCI states.
- the QCL types included in each TCI state correspond to at least one of the same channel large-scale parameters.”
- the TCI codepoint indicated by the TCI indication information is associated with one or more TCI states, wherein a certain QCL type included in at least one TCI state corresponds to multiple reference signals.
- a data layer/DMRS port of PDSCH and a plurality of reference signals corresponding to this QCL type have a QCL relationship with respect to this QCL type.
- all data layer/DMRS ports of PDSCH and multiple reference signals corresponding to this QCL type have a QCL relationship with respect to this QCL type.
- any data layer and/or DMRS port of the PDSCH and multiple reference signals corresponding to this QCL type have a QCL relationship with respect to this QCL type.
- the solutions provided by the embodiments of the present disclosure mainly involve: configuration (corresponding to the above-mentioned transmission mode configuration information) according to signaling (RRC signaling, medium access control element MAC-CE signaling or downlink control information DCI), DMRS of PDSCH
- the configuration of the port (corresponding to the above-mentioned DMRS port indication information, including the QCL indication information, the QCL indication information can indicate the QCL type information, and/or the number information of the TCI state; the configuration here can also be the information indicated by the DCI signaling; for example Schedule the antenna port antenna port indicated in the DCI of the PDSCH; the configuration here can be information indicated by one signaling or multiple signaling, for example, a part of the information is indicated by RRC signaling, and another part of the information is indicated by DCI),
- the time domain resource allocation TDRA indication (corresponding to the above-mentioned TDRA indication information) of the PDSCH, and/or the indication information of whether the UE is in the high-speed rail scene
- the transmission mode is taken as an example of the repeated transmission mode
- the signaling is taken as an example of RRC signaling
- Mode 1 (determined according to the configuration of the DMRS port of the PDSCH and the TDRA indication on the PDSCH): If the TDRA field of the DCI scheduling the PDSCH does not indicate the configuration including the number of repetitions corresponding to TDM 4 (it can also be understood as the configuration parameter of TDM 4 ), the TCI codepoint corresponding to this PDSCH (and/or the DMRS port of this PDSCH) includes 2 or more TCI states, and all DMRS ports of this PDSCH are in a CDM group, then the transmission of this PDSCH is SDM 1c transmission scheme.
- Mode 2 (determined according to the configuration of RRC signaling): If the RRC parameter (for example, the RRC parameter RepetitionScheme (repetition scheme)-r16) is used to indicate the repetition transmission mode of the PDSCH, the "RepetitionScheme-r16" can also be called “RepetitionScheme” , hereinafter referred to as “RepetitionScheme-r16” as an example, the repeated transmission mode can also be a multi-transmission point M-TRP transmission mode) is configured as the value corresponding to SDM 1c, then the transmission of this PDSCH is the transmission scheme of SDM 1c.
- the RRC parameter for example, the RRC parameter RepetitionScheme (repetition scheme)-r16
- the repeated transmission mode can also be a multi-transmission point M-TRP transmission mode
- Mode 3 (determined according to the configuration of RRC signaling): If the RRC parameter (for example, the RRC parameter RepetitionScheme-r16) used to indicate the repetitive transmission mode of the PDSCH is configured as the value corresponding to SDM 1c, and the TCI codepoint corresponding to the PDSCH If two or more TCI states are included, the transmission of the PDSCH is the transmission scheme of SDM 1c.
- the RRC parameter for example, the RRC parameter RepetitionScheme-r16
- the UE also determines whether it is SDM 1a as follows:
- the TCI codepoint corresponding to the PDSCH includes 2 TCI states, and the DMRS port of the PDSCH is in 2 CDM groups, then the transmission of the PDSCH is the transmission scheme of SDM 1a.
- Mode 4 (determined according to the configuration of the RRC signaling and the configuration of the DMRS port of the PDSCH): If the RRC parameter (for example, the RRC parameter RepetitionScheme (repetition scheme)-r16) used to indicate the repeated transmission mode of the PDSCH is configured to correspond to the SDM 1c
- the RRC parameter for example, the RRC parameter RepetitionScheme (repetition scheme)-r16
- the transmission of the PDSCH is the transmission scheme of SDM 1c.
- Mode 5 (determined according to the configuration of the DMRS port of the PDSCH): if the TCI codepoint corresponding to the PDSCH includes at least one TCI state that satisfies the following conditions, then the transmission of the PDSCH is the transmission scheme of SDM 1c;
- At least one QCL type is associated with multiple reference signals.
- Mode 6 (determined according to the TDRA indication of PDSCH and the configuration of the DMRS port of PDSCH): if the TDRA field of the DCI scheduling PDSCH does not indicate that the configuration corresponding to the number of repetitions of TDM 4 is included, and the TCI codepoint corresponding to the PDSCH is at least Including 1 TCI state that satisfies the following conditions, then the transmission of the PDSCH is the transmission scheme of SDM 1c;
- At least one QCL type is associated with multiple reference signals.
- TCI state 1 For example, TCI state 1:
- QCL_type 2 RS3RS4;
- At least one QCL_type corresponds to two RSs.
- Method 7 (determined according to the configuration of the DMRS port of the PDSCH, the QCL type information and the number of TCI states are specifically used here): If the TCI codepoint indicated by the network device for the PDSCH includes 2 or more TCI states, one of the TCI states A QCL type included in the state (which can be understood as one of the QCL types included in the TCI state) is ⁇ average delay average delay, delay extension delay spread ⁇ (corresponding to the first type above, TCI state can also include other QCL type), a QCL type included in another TCI state is ⁇ average delay, delay spread, Doppler shift Doppler shift, Doppler spread Doppler spread ⁇ (corresponding to the second type above, TCI state can also include other QCL types), the transmission of the PDSCH is the transmission scheme of SDM 1c.
- Method 8 (determined according to the configuration of the DMRS port of PDSCH): If the TCI codepoint indicated by the network device for PDSCH includes 2 or more TCI states, one of the QCL types included in one TCI state is ⁇ average delay, delay spread ⁇ (Corresponding to the first type above, the TCI state may also include other QCL types), and a QCL type included in another TCI state is ⁇ Doppler shift, Doppler spread ⁇ (corresponding to the third type above, the TCI state may also include other QCL types QCL type), then the transmission of the PDSCH is the transmission scheme of SDM 1c.
- Mode 9 (determined according to the configuration of the DMRS port of the PDSCH): If the TCI codepoint indicated by the network device for the PDSCH includes two or more TCI states, one of the QCL types included in one TCI state is ⁇ delay spread ⁇ (corresponding to In the above first type, TCI state can also include other QCL types), and a QCL type included in another TCI state is ⁇ Doppler shift, Doppler spread ⁇ (corresponding to the third type above, TCI state can also include other QCL types ), then the transmission of the PDSCH is the transmission scheme of SDM 1c.
- Mode ten (determined according to the configuration of the DMRS port of the PDSCH): If the TCI codepoint indicated by the network device for the PDSCH includes two or more TCI states, both TCI states include the corresponding QCL types ⁇ average delay, delay spread, Doppler shift, Doppler spread ⁇ (corresponding to the above-mentioned second type) reference signal, and determine which reference signal is used by the UE to determine which large-scale parameter (corresponding to the above-mentioned first rule) of the channel of the DMRS port according to a certain rule (corresponding to the above-mentioned first rule) The above-mentioned reference signal having a QCL relationship with the DMRS port having a large-scale parameter about the frequency characteristic of the channel is determined according to the first rule), then the transmission of the PDSCH is the transmission scheme of SDM 1c.
- Channel macroscale parameters include receive spatial parameters (eg receive beams), and/or average gain, and/or average delay, and/or delay spread, and/or Doppler frequency offset, and/or Doppler spread .
- receive spatial parameters eg receive beams
- the large-scale parameters of the frequency of the channel include Doppler frequency shift and/or the Doppler spread
- the large-scale parameters of the delay characteristic of the channel include the average delay and/or the delay spread.
- Mode 11 (determined according to whether the UE is in the high-speed rail scenario and/or frequency pre-compensation scenario, and the configuration of the DMRS port of the PDSCH): if the network device indicates that the UE is in the high-speed rail scenario and/or frequency pre-compensation scenario, and the network device indicates the PDSCH
- the TCI codepoint includes 2 or more TCI states, then the transmission of the PDSCH is the transmission scheme of SDM 1c.
- the PDSCH transmission is SDM 1c transmission scheme; not limited here.
- the corresponding content of determining the downlink frequency (corresponding to the frequency of the above-mentioned downlink signal) or the uplink frequency (corresponding to the transmission frequency of the uplink signal) may be specifically as follows:
- the network device sends to the UE indication information indicating that the UE is in a high-speed rail scenario (corresponding to the above-mentioned scenario indication information) or indication information that the network device performs frequency pre-compensation of downlink signals;
- the UE determines, according to the indication information, a reference signal used to determine a downlink carrier frequency (ie, a downlink frequency), and/or a channel estimation algorithm for the downlink signal.
- a reference signal used to determine a downlink carrier frequency ie, a downlink frequency
- a channel estimation algorithm for the downlink signal ie, a channel estimation algorithm for the downlink signal.
- the manner in which the UE determines the reference signal used to determine the downlink carrier frequency according to the indication information is as follows:
- Mode 1 When the indication information indicates that the UE is in a high-speed rail scenario or instructs the network device to perform pre-compensation of downlink signal frequency, the UE determines the downlink carrier frequency according to the reference signal used to determine the Doppler frequency shift of the downlink signal.
- the UE also receives the TCI indication information sent by the network device to indicate the QCL type of the downlink signal and the QCL reference signal (the TCI indication information may be included in the above DMRS port indication information), where the TCI indication information includes one or more TCI states ( TCI state); when the indication information indicates that the UE is in a high-speed rail scenario or instructs the network device to perform frequency pre-compensation of the downlink signal, the UE determines that the network device is the TCI indication information indicated by the downlink signal, and determines the TCI indication information based on the content indicated by the TCI indication information. to determine the reference signal of the downlink carrier frequency.
- Mode 1-1 If the TCI indication information indicates that the CORESET (control resource set) corresponding to the PDCCH is associated with N TCI states, and only one TCI state in the N TCI states includes a reference used to determine the Doppler frequency shift of the PDSCH signal, the UE determines the downlink carrier frequency according to the reference signal used to determine the Doppler frequency shift of the PDSCH.
- N is an integer greater than 1.
- Mode 1-2 If the TCI indication information indicates that the same DMRS port of the PDSCH is associated with N TCI states, and only one TCI state in the N TCI states includes the reference signal used to determine the Doppler frequency shift of the PDSCH, then The UE determines the reference signal of the downlink carrier frequency according to the reference signal used to determine the Doppler frequency shift of the PDSCH.
- N is an integer greater than 1.
- Mode 1-1 and Mode 1-2 may be and/or relationship, if it is “and” relationship, as long as “the TCI indication information indicates that the CORESET corresponding to the PDCCH is associated with N TCI states, and Only one of the N TCI states includes the reference signal used to determine the Doppler frequency shift of the PDSCH" and "If the TCI indication information indicates that the same DMRS port of the PDSCH is associated with the N TCI states, and the N TCI states There is only one TCI state including one of the reference signals used to determine the Doppler frequency shift of the PDSCH, and the UE determines the reference signal of the downlink carrier frequency according to the reference signal used to determine the Doppler frequency shift of the PDSCH.
- Mode 1-3 If the TCI indication information indicates that the CORESET corresponding to the PDCCH is associated with N TCI states, and multiple TCI states in the N TCI states include reference signals used to determine the Doppler frequency shift of the PDSCH, then the UE The downlink carrier frequency is determined according to the reference signal used to determine the Doppler frequency shift of the PDSCH in a specific TCI state.
- N is an integer greater than 1.
- the specific TCI state may be a pre-agreed TCI state or a TCI state indicated by a network device.
- the first TCI state is a pre-agreed TCI state or a TCI state indicated by a network device.
- the second TCI state is another example.
- Mode 1-4 If the TCI indication information indicates that the same DMRS port of the PDSCH is associated with N TCI states, and multiple TCI states in the N TCI states include reference signals used to determine the Doppler frequency shift of the PDSCH, Then, the UE determines the reference signal of the downlink carrier frequency according to the reference signal used to determine the Doppler frequency shift of the PDSCH in the specific TCI state.
- N is an integer greater than 1.
- the specific TCI state may be a pre-agreed TCI state or a TCI state indicated by a network device.
- the first TCI state is a pre-agreed TCI state or a TCI state indicated by a network device.
- the second TCI state is another example.
- the UE further determines the transmission frequency of the uplink signal according to the reception frequency corresponding to the reference signal used to determine the downlink carrier frequency.
- the network device determines the frequency pre-compensation value of the downlink signal according to the uplink signal.
- the network device may use the frequency pre-compensation value to perform frequency pre-compensation on the downlink signal and send the downlink signal to the UE.
- Mode 2 When the indication information indicates that the UE is in a high-speed rail scenario or instructs the network device to perform frequency pre-compensation for downlink signals, the UE determines the downlink carrier frequency according to the reference signal used to determine the transmission frequency of the uplink signal.
- the network device sends, to the UE, indication information of the reference signal used to determine the transmission frequency of the uplink signal.
- the uplink signal is a reference signal of a non-specific type, and the indication information of the reference signal used to determine the transmission frequency of the uplink signal is one indication information applicable to multiple uplink signals.
- the uplink signal is a specific type of signal. For example, SRS (Sounding Reference Signal).
- the reference signal used to determine the transmission frequency of the uplink signal is a downlink signal. It can be CSI-RS (Channel State Information-Reference Signal), SSB (Synchronization Signal Block), DMRS, etc. When it is CSI-RS, it can be CSI-RS used for beam management, CSI-RS obtained by downlink CSI, TRS (Tracking Reference Signal), etc.
- CSI-RS Channel State Information-Reference Signal
- SSB Synchrom Signal Block
- DMRS Downlink Reference Signal
- the indication information is TCI indication information
- the TCI indication information includes one or more TCI states (TCI states), wherein a QCL type included in a TCI state is a transmission frequency, and the QCL type corresponds to
- TCI states TCI states
- a QCL type included in a TCI state is a transmission frequency
- the QCL type corresponds to
- the reference signal is a downlink signal. It can be CSI-RS, SSB, DMRS, etc. When it is CSI-RS, it can be CSI-RS used for beam management, CSI-RS obtained by downlink CSI, TRS, etc.
- the UE determines the downlink carrier frequency according to the reference signal indicated by the indication information of the reference signal used to determine the transmission frequency of the uplink signal; During frequency pre-compensation, the UE determines the downlink carrier frequency according to the reference signal indicated by the indication information of the reference signal used to determine the transmission frequency of the uplink signal.
- the manner in which the UE determines the channel estimation algorithm of the downlink signal according to the indication information is as follows:
- Mode 1 When the indication information indicates that the UE is in a high-speed rail scenario or instructs the network device to perform frequency pre-compensation for downlink signals (corresponding to indicating that the UE is in a high-speed rail scenario or a frequency pre-compensation scenario), the UE determines that any DMRS port of the downlink signal is the same as that of the downlink signal.
- the network device is associated with all TCI states indicated by the downlink signal (it can be one TCI state or multiple TCI states, which can be indicated by scheduling the TCI field in the DCI of the downlink signal), and the UE is the downlink signal based on the network device.
- the indicated TCI state performs channel estimation of the downlink signal.
- the network device indicates to the UE that the downlink signal is associated with two TCI states, one of the QCL types included in one TCI state is ⁇ average delay, delay spread ⁇ , and one QCL type included in the other TCI state is ⁇ average delay, delay spread ⁇ , Doppler shift, Doppler spread ⁇ .
- the UE determines the channel of the downlink signal according to the reference signal indicated by the TCI state whose QCL type is ⁇ average delay, delay spread ⁇ and the reference signal indicated by the TCI state whose QCL type is ⁇ average delay, delay spread, Doppler shift, Doppler spread ⁇ Delay characteristic; determine the Doppler characteristic of the channel of the downlink signal according to the reference signal indicated by the TCI state whose QCL type is ⁇ average delay, delay spread, Doppler shift, Doppler spread ⁇ ; Channel estimation of the downlink signal.
- the network device indicates to the UE that the downlink signal is associated with two TCI states, one of the QCL types included in one TCI state is ⁇ average delay, delay spread ⁇ , and one QCL type included in the other TCI state is ⁇ Doppler shift, Doppler spread ⁇ ⁇ .
- the UE determines the delay characteristics of the channel of the downlink signal according to the reference signal indicated by the TCI state whose QCL type is ⁇ average delay, delay spread ⁇ ; determines the downlink signal according to the reference signal indicated by the TCI state whose QCL type is ⁇ Doppler shift, Doppler spread ⁇ The Doppler characteristic of the channel; and the channel estimation of the downlink signal is performed according to the time delay characteristic and the Doppler characteristic.
- the network device indicates to the UE that the downlink signal is associated with two TCI states, one of the QCL types included in one TCI state is ⁇ delay spread ⁇ , and one QCL type included in the other TCI state is ⁇ Doppler shift, Doppler spread ⁇ .
- the UE determines the delay characteristics of the channel of the downlink signal according to the reference signal indicated by the TCI state of the QCL type ⁇ delay spread ⁇ ; Doppler characteristic; perform channel estimation of the downlink signal according to the time delay characteristic and the Doppler characteristic.
- the network device indicates to the UE that the downlink signal is associated with two TCI states, both of which include QCL types ⁇ average delay, delay spread, Doppler shift, Doppler spread ⁇ .
- the UE jointly determines the delay characteristics of the channel of the downlink signal according to the reference signals whose QCL types are ⁇ average delay, delay spread, Doppler shift, Doppler spread ⁇ in the two TCI states; according to the QCL type in a specific TCI state is ⁇ average delay, delay
- the reference signal of spread, Doppler shift, Doppler spread ⁇ determines the Doppler characteristic of the channel of the downlink signal; the channel estimation of the downlink signal is performed according to the time delay characteristic and the Doppler characteristic.
- the specific TCI state may be a pre-agreed TCI state or a TCI state indicated by a network device, such as the first TCI state or the second TCI state.
- the network device indicates to the UE that the downlink signal is associated with two TCI states, both of which include QCL types ⁇ average delay, delay spread, Doppler shift, Doppler spread ⁇ .
- the UE jointly determines the delay characteristics of the channel of the downlink signal according to the reference signals whose QCL types are ⁇ average delay, delay spread, Doppler shift, Doppler spread ⁇ in the two TCI states; according to the QCL type in a specific TCI state is ⁇ average delay, delay
- the reference signals of spread, Doppler shift, Doppler spread ⁇ jointly determine the Doppler characteristic of the channel of the downlink signal; the channel estimation of the downlink signal is performed according to the time delay characteristic and the Doppler characteristic.
- the UE uses an enhanced algorithm for the HST (high-speed transmission) scenario to perform channel estimation for the downlink signal.
- HST high-speed transmission
- the network device takes a base station as an example:
- the transmission scheme of SDM 1c also includes: all DMRS ports of PDSCH are in the same CDM group.
- SDM 1c is determined by:
- the TCI codepoint corresponding to the PDSCH includes 2 or more TCI states, and the All DMRS ports of PDSCH are in a CDM group, and the transmission of this PDSCH is the transmission scheme of SDM 1c.
- Example 1 Based on Example 1: The base station instructs the UE to receive PDSCH through DCI.
- the UE judges whether the TDRA field in the DCI indicates the PDSCH-TimeDomainResourceAllocation (time domain resource allocation)-r16 (r16 may or may not) configuration corresponding to RepetitionNumber-r16, and judges that the TCI codepoint indicated by the TCI field in the DCI corresponds to the The number of TCI states and the CDM group where the DMRS port indicated by the antenna port field in the DCI is located.
- the UE determines that the transmission mode of the PDSCH is SDM 1c, that is, there is only one PDSCH transmission occasion, and the DMRS port of the PDSCH on the time-frequency resource corresponding to the PDSCH transmission occasion is the same as the above TCI codepoint All corresponding TCI states are associated.
- “includes (includes) RepetitionNumber-r16” is a specific implementation of "corresponding to RepetitionNumber-r16", which is not limited here.
- the UE receives the PDSCH according to the determined transmission mode of the PDSCH.
- the UE judges each transmission scheme according to the following judgment conditions:
- the UE determines the number of TCI states included in the TCI codepoint corresponding to the PDSCH (optionally, the TCI codepoint corresponding to the PDSCH is indicated by the 'Transmission Configuration Indication' field in the DCI scheduling the PDSCH):
- the UE determines whether the TDRA field ("Time domain resource assignment' field) in the DCI scheduling the PDSCH indicates whether the configuration including the number of retransmissions corresponding to TDM 4 (for example, the RRC parameter repetitionNumber-r16) is indicated. ;
- the UE determines the number of CDM groups where the DMRS port of the PDSCH is located;
- the UE judges whether the TDRA in the DCI indicates the number of retransmissions including TDM 4, if so, it is TDM 4, and if otherwise, judges whether there is a parameter used to indicate a repeated transmission scheme (for example, RRC Parameters RepetitionScheme-r16);
- FDM 2a is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeA), then it is FDM 2a;
- FDM 2b is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeB), then it is FDM 2b;
- TDM 3 is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is TDMSchemeA), it is TDM 3.
- the UE determines whether the TDRA field ("Time domain resource assignment' field) in the DCI scheduling PDSCH indicates a configuration including the number of retransmissions corresponding to TDM 4 (for example, the RRC parameter repetitionNumber-r16);
- the TCI codepoint corresponding to the PDSCH is indicated by the 'Transmission Configuration Indication' field in the DCI scheduling the PDSCH:
- the TCI codepoint corresponding to the PDSCH is indicated by the 'Transmission Configuration Indication' field in the DCI scheduling the PDSCH:
- the UE determines the number of CDM groups where the DMRS port of the PDSCH is located:
- the UE determines whether there is a parameter used to indicate the repetition transmission scheme (for example, the RRC parameter RepetitionScheme-r16):
- FDM 2a is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeA), then it is FDM 2a;
- FDM 2b is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeB), then it is FDM 2b;
- TDM 3 is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is TDMSchemeA), it is TDM 3.
- the UE determines whether there is a configuration of the number of retransmissions corresponding to TDM 4 in the RRC signaling (for example, whether there is an RRC parameter repetitionNumber-r16) or a parameter used to indicate a repetition transmission scheme (for example, the RRC parameter RepetitionScheme-r16);
- TDM 4 If there is a configuration of the number of retransmissions corresponding to TDM 4 (for example, there is an RRC parameter repetitionNumber-r16); then determine whether the TDRA field ("Time domain resource assignment' field) in the DCI scheduling PDSCH indicates whether the corresponding TDM 4 is included.
- the configuration of the number of retransmissions (for example, for the RRC parameter repetitionNumber-r16):
- the UE determines the number of TCI states included in the TCI codepoint corresponding to the PDSCH (optionally, the TCI codepoint corresponding to the PDSCH schedules the 'Transmission Configuration Indication' in the DCI of the PDSCH. domain indication):
- the UE determines the number of CDM groups where the DMRS port of the PDSCH is located:
- FDM 2a is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeA), then it is FDM 2a;
- FDM 2b is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeB), then it is FDM 2b;
- TDM3 is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is TDMSchemeA), it is TDM3.
- the transmission scheme of the SDM 1c further includes: all DMRS ports of the PDSCH are in the same CDM group.
- the indication of SDM 1c multiplexes the RRC parameter (for example, the RRC parameter RepetitionScheme-r16) used to indicate the repetition transmission mode of the PDSCH, that is, adding a candidate value to the parameter, for example, adding the candidate value SDMSchemeA or SDMSchemeC.
- the RRC parameter for example, the RRC parameter RepetitionScheme-r16
- the RRC parameter for example, the RRC parameter RepetitionScheme-r16
- the RRC parameter RepetitionScheme-r16 used to indicate the repeated transmission mode of the PDSCH is configured as the value corresponding to the SDM 1c
- the TCI codepoint corresponding to the PDSCH includes 2 or more TCI states
- the All DMRS ports of PDSCH are in a CDM group
- the transmission of this PDSCH is the transmission scheme of SDM 1c.
- the base station instructs the UE to receive PDSCH through the DCI.
- the UE determines whether there is a parameter used to indicate the repeated transmission mode of PDSCH in the RRC signaling, and determines the number of TCI states corresponding to the TCI codepoint indicated by the TCI field in the DCI and the DMRS port indicated by the antenna port field in the DCI. CDM group.
- the UE determines that the transmission mode of the PDSCH is SDM 1c, that is, there is only one PDSCH transmission occasion, and the DMRS port of the PDSCH on the time-frequency resource corresponding to the PDSCH transmission occasion is associated with all the TCI states corresponding to the above TCI codepoint.
- the UE receives the PDSCH according to the determined transmission mode of the PDSCH.
- the UE determines the judgment conditions for each transmission scheme as shown in the following table:
- the UE determines the number of TCI states included in the TCI codepoint corresponding to the PDSCH (optionally, the TCI codepoint corresponding to the PDSCH is indicated by the 'Transmission Configuration Indication' field in the DCI scheduling the PDSCH):
- the UE determines whether the TDRA field ("Time domain resource assignment' field) in the DCI scheduling the PDSCH indicates whether the configuration including the number of retransmissions corresponding to TDM 4 (for example, the RRC parameter repetitionNumber-r16) is indicated. :
- the UE determines the number of CDM groups where the DMRS port of the PDSCH is located:
- the UE determines whether the TDRA field ("Time domain resource assignment' field) in the DCI scheduling the PDSCH indicates whether the number of retransmissions corresponding to TDM 4 (for example, the RRC parameter repetitionNumber-r16) is indicated.
- the UE determines the value of the parameter used to indicate the repetition transmission scheme (for example, the RRC parameter RepetitionScheme-r16):
- FDM 2a is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeA), then it is FDM 2a;
- FDM 2b is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeB), then it is FDM 2b;
- TDM3 is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is TDMSchemeA), it is TDM 3;
- SDM 1c is indicated (for example, the value of RRC parameter RepetitionScheme-r16 is SDMSchemeA), it is SDM 1c.
- the UE determines whether the TDRA field ("Time domain resource assignment' field) in the DCI scheduling PDSCH indicates a configuration including the number of retransmissions corresponding to TDM 4 (for example, the RRC parameter repetitionNumber-r16):
- the TCI codepoint corresponding to the PDSCH is indicated by the 'Transmission Configuration Indication' field in the DCI scheduling the PDSCH:
- the TCI codepoint corresponding to the PDSCH is indicated by the 'Transmission Configuration Indication' field in the DCI scheduling the PDSCH:
- the UE determines the number of CDM groups where the DMRS port of the PDSCH is located:
- FDM 2a is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeA), then it is FDM 2a;
- FDM 2b is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeB), then it is FDM 2b;
- TDM3 is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is TDMSchemeA), it is TDM 3;
- SDM 1c is indicated (for example, the value of RRC parameter RepetitionScheme-r16 is SDMSchemeA), it is SDM 1c.
- the UE determines whether there is a configuration of the number of retransmissions corresponding to TDM 4 in the RRC signaling (for example, whether there is an RRC parameter repetitionNumber-r16) or a parameter used to indicate a repetition transmission scheme (for example, the RRC parameter RepetitionScheme-r16):
- TDM 4 If there is a configuration of the number of retransmissions corresponding to TDM 4 (for example, there is an RRC parameter repetitionNumber-r16); then determine whether the TDRA field ("Time domain resource assignment' field) in the DCI scheduling PDSCH indicates whether the corresponding TDM 4 is included.
- the configuration of the number of retransmissions (for example, for the RRC parameter repetitionNumber-r16):
- the UE determines the number of TCI states included in the TCI codepoint corresponding to the PDSCH (optionally, the TCI codepoint corresponding to the PDSCH schedules the 'Transmission Configuration Indication' in the DCI of the PDSCH. domain indication):
- the UE determines the number of CDM groups where the DMRS port of the PDSCH is located:
- FDM 2a is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeA), then it is FDM 2a;
- FDM 2b is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeB), then it is FDM 2b;
- TDM3 is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is TDMSchemeA), it is TDM 3;
- SDM 1c is indicated (for example, the value of RRC parameter RepetitionScheme-r16 is SDMSchemeA), it is SDM 1c.
- the transmission scheme of SDM 1c also includes: the same TB is transmitted through a PDSCH transmission event, and all DMRS ports of the PDSCH are related to multiple TCIs contained in the same TCI codepoint. The state is associated, and the PRB (Physical resource block, physical resource block) occupied by all DMRS ports of the PDSCH is the same.
- the multiple TCI states are specifically two TCI states.
- the indication of SDM 1c multiplexes the RRC parameter (for example, the RRC parameter RepetitionScheme-r16) used to indicate the repetition transmission mode of the PDSCH, that is, adding a candidate value to the parameter, for example, adding the candidate value SDMSchemeA or SDMSchemeC.
- the RRC parameter for example, the RRC parameter RepetitionScheme-r16
- the transmission of the PDSCH is the transmission scheme of the SDM 1c.
- the transmission of the PDSCH is the transmission scheme of SDM 1c.
- the UE can determine whether it is SDM 1a as follows:
- the TDRA field of the DCI scheduling PDSCH does not indicate the configuration corresponding to RepetitionNumber-r16 and the RRC parameter (for example, the RRC parameter RepetitionScheme-r16) used to indicate the repetition transmission mode of PDSCH is not configured to the value corresponding to SDM 1c
- the TCI codepoint corresponding to the PDSCH includes 2 TCI states, and the DMRS ports of the PDSCH are in 2 CDM groups, then the transmission of the PDSCH is the transmission scheme of SDM 1a.
- the base station instructs the UE to receive PDSCH through DCI.
- the UE determines whether there is a parameter used to indicate the repeated transmission mode of the PDSCH in the RRC signaling, and determines the number of TCI states corresponding to the TCI codepoint indicated by the TCI field in the DCI. If there is a parameter used to indicate the repeated transmission mode of PDSCH and the parameter is configured as SDM 1c, and the number of TCI states corresponding to the above TCI codepoint is 2, the UE determines that the transmission mode of PDSCH is SDM 1c, that is, there is only one PDSCH transmission occasion, and the DMRS port of the PDSCH on the time-frequency resource corresponding to the PDSCH transmission occurrence is associated with all the TCI states corresponding to the above TCI codepoint.
- the UE receives the PDSCH according to the determined transmission mode of the PDSCH.
- the UE determines the judgment conditions for each transmission scheme as shown in the following table:
- the UE determines the number of TCI states included in the TCI codepoint corresponding to the PDSCH (optionally, the TCI codepoint corresponding to the PDSCH is indicated by the 'Transmission Configuration Indication' field in the DCI scheduling the PDSCH):
- the UE determines whether the TDRA field ("Time domain resource assignment' field) in the DCI scheduling the PDSCH indicates whether the configuration including the number of retransmissions corresponding to TDM 4 (for example, the RRC parameter repetitionNumber-r16) is indicated. :
- the UE determines the number of CDM groups where the DMRS port of the PDSCH is located:
- the UE determines whether the value of the parameter used to indicate the repetition transmission scheme (for example, the RRC parameter RepetitionScheme-r16) corresponds to the SDM 1c,
- the UE determines whether the TDRA in the DCI indicates the number of retransmissions including TDM 4; if so, it is TDM 4, and if not, it determines the parameters used to indicate the repeated transmission scheme (for example, for The content indicated by the value of the RRC parameter RepetitionScheme-r16):
- FDM 2a is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeA), then it is FDM 2a;
- FDM 2b is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeB), then it is FDM 2b;
- TDM3 is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is TDMSchemeA), it is TDM 3;
- SDM 1c is indicated (for example, the value of RRC parameter RepetitionScheme-r16 is SDMSchemeA), it is SDM 1c.
- the UE determines whether the TDRA field ("Time domain resource assignment' field) in the DCI scheduling PDSCH indicates a configuration including the number of retransmissions corresponding to TDM 4 (for example, the RRC parameter repetitionNumber-r16):
- the TCI codepoint corresponding to the PDSCH is indicated by the 'Transmission Configuration Indication' field in the DCI scheduling the PDSCH:
- the TCI codepoint corresponding to the PDSCH is indicated by the 'Transmission Configuration Indication' field in the DCI scheduling the PDSCH:
- the UE determines the number of CDM groups where the DMRS port of the PDSCH is located:
- FDM 2a is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeA), then it is FDM 2a;
- FDM 2b is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeB), then it is FDM 2b;
- TDM3 is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is TDMSchemeA), it is TDM 3;
- SDM 1c is indicated (for example, the value of RRC parameter RepetitionScheme-r16 is SDMSchemeA), it is SDM 1c.
- the UE determines whether there is a configuration of the number of retransmissions corresponding to TDM 4 in the RRC signaling (for example, whether there is an RRC parameter repetitionNumber-r16) or a parameter used to indicate a repetition transmission scheme (for example, the RRC parameter RepetitionScheme-r16):
- TDM 4 If there is a configuration of the number of retransmissions corresponding to TDM 4 (for example, there is an RRC parameter repetitionNumber-r16); then determine whether the TDRA field ("Time domain resource assignment' field) in the DCI scheduling PDSCH indicates whether the corresponding TDM 4 is included.
- the configuration of the number of retransmissions (for example, for the RRC parameter repetitionNumber-r16):
- the UE determines the number of TCI states included in the TCI codepoint corresponding to the PDSCH (optionally, the TCI codepoint corresponding to the PDSCH schedules the 'Transmission Configuration Indication' in the DCI of the PDSCH. domain indication):
- the UE determines the number of CDM groups where the DMRS port of the PDSCH is located:
- FDM 2a is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeA), then it is FDM 2a;
- FDM 2b is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is FDMSchemeB), then it is FDM 2b;
- TDM3 is indicated (for example, the value of the RRC parameter RepetitionScheme-r16 is TDMSchemeA), it is TDM 3;
- SDM 1c is indicated (for example, the value of RRC parameter RepetitionScheme-r16 is SDMSchemeA), it is SDM 1c.
- the transmission scheme of SDM 1c further includes: the same TB is transmitted through one PDSCH transmission occasion, the DMRS port of the PDSCH is in one or more CDM groups and occupies the same PRB (Physical resource block, physical resource block), the PDSCH
- the DMRS port is associated with the TCI state in the indicated TCI codepoint, and at least one QCL type in at least one TCI state is associated with two or more reference signals.
- only one TCI state is included in the TCI codepoint indicated by the PDSCH.
- the determination method of SDM 1c is one of the following:
- the TCI codepoint corresponding to PDSCH includes at least one TCI state that satisfies the following conditions, then the transmission of this PDSCH is the transmission scheme of SDM 1c: at least one QCL type is associated with multiple reference signals;
- the transmission of the PDSCH is the transmission scheme of SDM 1c: at least A QCL type is associated with multiple reference signals.
- Example 4 Based on Example 4: The base station instructs the UE to receive PDSCH through DCI.
- the UE determines the association between the QCL type and the reference signal in the TCI state corresponding to the TCI codepoint indicated by the TCI field in the DCI. If there is at least one QCL type associated with multiple reference signals, the UE determines that the PDSCH transmission mode is SDM 1c, that is, there is only one PDSCH transmission occasion, and the DMRS port of the PDSCH on the time-frequency resource corresponding to the PDSCH transmission occasion is the same as the above TCI All TCI states corresponding to the codepoint are associated.
- a TCI state associated with the TCI codepoint indicated by the TCI field includes the following content: ⁇ QCL_type 1: RS1, RS2 ⁇ , that is, QCL type 1 is associated with the two reference signals RS 1 and RS2; then the UE determines the transmission of PDSCH
- the mode is SDM 1c.
- the UE receives the PDSCH according to the determined transmission mode of the PDSCH.
- Example 5 based on Example 4: The base station instructs the UE to receive PDSCH through DCI.
- the UE determines whether the TDRA field in the DCI indicates the PDSCH-TimeDomainResourceAllocation-r16 configuration corresponding to RepetitionNumber-r16, and determines the association between the QCL type and the reference signal in the TCI state corresponding to the TCI codepoint indicated by the TCI field in the DCI.
- the UE determines that the PDSCH transmission mode is SDM 1c, that is, there is only one PDSCH transmission occasion, And on the time-frequency resource corresponding to the PDSCH transmission occurrence, the DMRS port of the PDSCH is associated with all the TCI states corresponding to the above-mentioned TCI codepoint.
- the UE receives the PDSCH according to the determined transmission mode of the PDSCH.
- each TCI state includes one or more QCL types, and each QCL type is associated with one or more reference signals.
- a DMRS port is associated with a TCI state, which means that the channel that transmits the DMRS port and the large-scale parameter corresponding to a QCL type in the TCI state can pass the transmission of the reference signal associated with the QCL type in the TCI state. channel launch.
- Some typical large-scale parameters include:
- Doppler shift Doppler spread, average delay, delay spread, average gain.
- the scheme of determining whether it is SDM 1c is determined by judging the QCL type indicated by the base station for the PDSCH.
- the base station sends the scheduling information of the PDSCH to the terminal; and indicates the QCL reference signal associated therewith to the PDSCH through the TCI field in the DCI. If the TCI codepoint indicated by the TCI field is associated with two TCI states, and one of the two TCI states includes at least the QCL type ⁇ average delay, delay spread ⁇ (and may also include one or more other QCL types), Another TCI state includes at least the QCL type ⁇ average delay, delay spread, Doppler shift, Doppler spread ⁇ (and may also include one or more other QCL types), then the terminal determines that the transmission of the PDSCH is the transmission scheme of SDM 1c.
- Examples 7 and 8 Similar to Example 6, but the QCL types correspond to modes 8 and 9 respectively, and details are not repeated here.
- the base station sends the scheduling information of the PDSCH to the terminal; and indicates the QCL reference signal associated therewith to the PDSCH through RRC signaling, MAC-CE signaling or the TCI field in the DCI.
- the base station instructs the UE through RRC signaling, MAC-CE signaling or DCI signaling in which reference signal in the TCI state the UE determines the channel characteristic corresponding to the specific large-scale parameter.
- the specific large-scale parameter is a frequency characteristic channel large-scale parameter. For example, Doppler shift and/or Doppler spread.
- the terminal determines that the PDSCH transmission is of SDM 1c transmission scheme.
- the base station indicates to the UE whether the UE is in a high-speed rail scenario.
- the base station sends the scheduling information of the PDSCH to the terminal; and indicates the QCL reference signal associated therewith to the PDSCH through RRC signaling, MAC-CE signaling or the TCI field in the DCI.
- the UE receives the indication information that the base station indicates that the UE is in a high-speed rail scenario, and the TCI codepoint indicated by the TCI field is associated with two TCI states, then the terminal determines that the transmission of the PDSCH is the transmission scheme of SDM 1c.
- the base station indicates to the UE whether the base station performs frequency precompensation on the downlink signal.
- the base station sends the scheduling information of the PDSCH to the terminal; and indicates the QCL reference signal associated therewith to the PDSCH through RRC signaling, MAC-CE signaling or the TCI field in the DCI.
- the UE receives that the base station instructs the base station to perform frequency pre-compensation on the downlink signal (corresponding to the above "frequency pre-compensation scenario"), and the TCI codepoint indicated by the TCI field is associated with two TCI states, then the terminal determines that the PDSCH transmission is SDM 1c. transmission scheme.
- the solutions provided by the embodiments of the present disclosure involve the determination method of SDM 1c and the process of UE judging each transmission solution; the determination of the SDM 1c solution can be accurately realized, and the distinction from other Multi-TRP solutions can be realized, which ensures that Therefore, the specific transmission scheme can be accurately determined when there are multiple Multi-TRP transmission schemes in the system.
- An embodiment of the present disclosure further provides a terminal, as shown in FIG. 13 , including a memory 1320, a transceiver 1310, and a processor 1300:
- the memory 1320 is used to store computer programs; the transceiver 1310 is used to send and receive data under the control of the processor 1300; the processor 1300 is used to read the computer program in the memory 1320 and perform the following operations:
- the configuration information related to the transmission mode includes the following:
- Transmission mode configuration information demodulation reference signal DMRS port indication information of the first signal, time domain resource allocation TDRA indication information about the first signal, and/or whether the terminal is in a high-speed rail scenario and/or frequency pre-compensation Scene indication information of the scene;
- a data layer of the first signal and at least two reference signals have a quasi-co-located QCL relationship with respect to at least one channel large-scale parameter; and/or, a DMRS port of the first signal Having a QCL relationship with at least two reference signals with respect to at least one channel large-scale parameter.
- the configuration information related to the transmission mode is received; according to the configuration information related to the transmission mode, it is determined whether the transmission scheme of the first signal is the first transmission scheme; wherein, the configuration information related to the transmission mode includes the following: transmission mode Mode configuration information, demodulation reference signal DMRS port indication information of the first signal, TDRA indication information about the time domain resource allocation of the first signal, and/or whether the terminal is in a high-speed rail scenario and/or a frequency pre-compensation scenario scene indication information; in the first transmission scheme, one data layer of the first signal and at least two reference signals have a quasi-co-located QCL relationship with respect to at least one channel large-scale parameter; and/or, the first One DMRS port of the signal and at least two reference signals have a QCL relationship with respect to at least one channel large-scale parameter; accurate identification of the first transmission scheme can be achieved, and further accurate identification of the first transmission scheme can be achieved when there are multiple Multi-TRP transmission schemes in the system. Determining the specific transmission
- the transceiver 1310 is used to receive and transmit data under the control of the processor 1300 .
- the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1300 and various circuits of memory represented by memory 1320 are linked together.
- the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further herein.
- the bus interface provides the interface.
- Transceiver 1310 may be a number of elements, including transmitters and receivers, providing means for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like Transmission medium.
- the user interface 1330 may also be an interface capable of externally connecting the required equipment, and the connected equipment includes but is not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the processor 1300 is responsible for managing the bus architecture and general processing, and the memory 1320 may store data used by the processor 1300 in performing operations.
- the processor 1300 may be a central processing unit (Central Processing Unit, CPU), an application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field-programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable Logic device (Complex Programmable Logic Device, CPLD), the processor can also use a multi-core architecture.
- CPU Central Processing Unit
- ASIC Application Specific Integrated Circuit
- FPGA Field-Programmable Gate Array
- CPLD Complex Programmable Logic Device
- the processor is configured to execute any one of the methods provided by the embodiments of the present disclosure according to the obtained executable instructions by invoking the computer program stored in the memory.
- the processor and memory may also be physically separated.
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the configuration information related to the transmission mode includes: determining the DMRS port of the first signal according to the DMRS port indication information The number of the code division multiplexing CDM group where it is located, and/or the quasi-co-located QCL indication information of the DMRS port of the first signal; according to the number, and/or the QCL indication information, determine whether the transmission scheme of the first signal is is the first transmission scheme.
- determining whether the transmission scheme of the first signal is the first transmission scheme according to the QCL indication information includes: determining the QCL type information according to the QCL indication information, and/or transmitting the number information of the configuration indication state TCI state; According to the QCL type information and/or the number information of the TCI state, it is determined whether the transmission scheme of the first signal is the first transmission scheme.
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the number and/or the QCL indication information includes: when the first condition is satisfied, determining that the transmission scheme of the first signal is A first transmission scheme; wherein the first condition includes: the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme; all DMRS ports of the first signal are located in one CDM group and, the following: the QCL indication information indicates that the first signal is associated with at least two TCI states, and/or the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states; wherein, The second transmission scheme is different from the first transmission scheme.
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the relevant configuration information of the transmission mode includes: when the second condition is satisfied, determining that the transmission scheme of the first signal is the first transmission scheme; wherein, the second condition includes a value corresponding to the first transmission scheme indicated by the transmission mode configuration information.
- the DMRS port indication information includes the QCL indication information of the DMRS port of the first signal; the second condition further includes the following: the QCL indication information indicates that the first signal is associated with at least two TCI states, and/or the QCL indication information indicates that the DMRS port of the first signal is associated with at least two TCI states.
- the second condition further includes: the number of code division multiplexing CDM groups where the DMRS port of the first signal is located is one.
- the determining whether the transmission scheme of the first signal is the first transmission scheme according to the relevant configuration information of the transmission mode includes: when the third condition is satisfied, determining that the transmission scheme of the first signal is the first transmission scheme; wherein, the third condition includes the following: the QCL indication information indicates that the first signal is associated with at least one TCI state that satisfies the fourth condition; and/or the QCL indication information indicates the DMRS of the first signal
- the third condition includes the following: the QCL indication information indicates that the first signal is associated with at least one TCI state that satisfies the fourth condition; and/or the QCL indication information indicates the DMRS of the first signal
- the port is associated with at least one TCI state that satisfies the fourth condition; the fourth condition includes: the number of QCL types associated with at least two reference signals is at least one.
- the third condition further includes: the TDRA field of the DCI scheduling the first signal does not indicate a parameter corresponding to the second transmission scheme; wherein the second transmission scheme is the same as the first transmission scheme.
- the transmission scheme is different.
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Abstract
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Claims (49)
- 一种信息处理方法,包括:接收传输模式相关配置信息;根据所述传输模式相关配置信息,确定第一信号的传输方案是否为第一传输方案;其中,所述传输模式相关配置信息包括以下:传输模式配置信息、所述第一信号的解调参考信号DMRS端口指示信息、关于所述第一信号的时域资源分配TDRA指示信息;和/或关于终端是否处于高铁场景和/或频率预补偿场景的场景指示信息;所述第一传输方案中所述第一信号的一个数据层与至少两个参考信号具有关于至少一个信道大尺度参数的准共址QCL关系;和/或,所述第一信号的一个DMRS端口与至少两个参考信号具有关于至少一个信道大尺度参数的QCL关系。
- 根据权利要求1所述的信息处理方法,其中,所述根据所述传输模式相关配置信息,确定第一信号的传输方案是否为第一传输方案,包括:根据所述DMRS端口指示信息,确定所述第一信号的DMRS端口所在的码分复用CDM组的数目,和/或所述第一信号的DMRS端口的准共址QCL指示信息;根据所述数目,和/或QCL指示信息,确定第一信号的传输方案是否为第一传输方案。
- 根据权利要求2所述的信息处理方法,其中,根据所述QCL指示信息,确定第一信号的传输方案是否为第一传输方案,包括:根据所述QCL指示信息确定QCL类型信息,和/或传输配置指示状态TCI state的个数信息中;根据所述QCL类型信息,和/或TCI state的个数信息,确定第一信号的传输方案是否为第一传输方案。
- 根据权利要求2所述的信息处理方法,其中,所述根据所述数目,和/或QCL指示信息,确定第一信号的传输方案是否为第一传输方案,包括:在满足第一条件的情况下,确定第一信号的传输方案为第一传输方案;其中,所述第一条件包括:调度所述第一信号的DCI的TDRA域没有指示对应于第二传输方案的参数;所述第一信号的所有DMRS端口均位于一个CDM组内;以及,以下:所述QCL指示信息指示所述第一信号关联至少两个TCI state;和/或所述QCL指示信息指示所述第一信号的DMRS端口关联至少两个TCI state;其中,所述第二传输方案与所述第一传输方案不同。
- 根据权利要求1所述的信息处理方法,其中,所述根据所述传输模式相关配置信息,确定第一信号的传输方案是否为第一传输方案,包括:在满足第二条件的情况下,确定第一信号的传输方案为第一传输方案;其中,所述第二条件包括所述传输模式配置信息指示所述第一传输方案对应的取值。
- 根据权利要求5所述的信息处理方法,其中,所述DMRS端口指示信息包括所述第一信号的DMRS端口的QCL指示信息;所述第二条件还包括以下:所述QCL指示信息指示所述第一信号关联至少两个TCI state;和/或所述QCL指示信息指示所述第一信号的DMRS端口关联至少两个TCI state。
- 根据权利要求6所述的信息处理方法,其中,所述第二条件还包括:所述第一信号的DMRS端口所在的码分复用CDM组的数目为1。
- 根据权利要求2所述的信息处理方法,其中,所述根据所述传输模式相关配置信息,确定第一信号的传输方案是否为第一传输方案,包括:在满足第三条件的情况下,确定第一信号的传输方案为第一传输方案;其中,所述第三条件包括以下:所述QCL指示信息指示所述第一信号至少关联一个满足第四条件的TCI state;和/或所述QCL指示信息指示所述第一信号的DMRS端口至少关联一个 满足第四条件的TCI state;所述第四条件包括:关联了至少两个参考信号的QCL类型的数量为至少一个。
- 根据权利要求8所述的信息处理方法,其中,所述第三条件还包括:调度所述第一信号的DCI的TDRA域没有指示对应于第二传输方案的参数;其中,所述第二传输方案与所述第一传输方案不同。
- 根据权利要求3所述的信息处理方法,其中,根据所述QCL类型信息,确定所述第一信号的传输方案是否为第一传输方案,包括:在满足第五条件的情况下,确定第一信号的传输方案为第一传输方案;其中,所述第五条件包括以下:所述QCL指示信息指示所述第一信号关联至少两个TCI state;和/或所述QCL指示信息指示所述第一信号的DMRS端口关联至少两个TCI state;其中,所述至少两个TCI state中一个TCI state包括的一个QCL类型为第一类型,一个TCI state包括的一个QCL类型为第二类型;所述第一类型所包括的信道大尺度参数均为时延特性信道大尺度参数;所述第二类型包括时延特性信道大尺度参数以及频率特性信道大尺度参数。
- 根据权利要求3所述的信息处理方法,其中,根据所述QCL类型信息,确定所述第一信号的传输方案是否为第一传输方案,包括:在满足第六条件的情况下,确定第一信号的传输方案为第一传输方案;其中,所述第六条件包括以下:所述QCL指示信息指示所述第一信号关联至少两个TCI state;和/或所述QCL指示信息指示所述第一信号的DMRS端口关联至少两个TCI state;其中,所述至少两个TCI state中一个TCI state包括的一个QCL类型为第一类型,一个TCI state包括的一个QCL类型为第三类型;所述第一类型所包括的信道大尺度参数均为时延特性参数;所述第三类型所包括的信道大尺度参数均为频率特性参数。
- 根据权利要求5至6、10至11任一项所述的信息处理方法,其中,还包括:根据TCI state中所指示的、包括频率特性信道大尺度参数的QCL类型所对应的参考信号,确定下行信号的频率;和/或,根据TCI state中所指示的、包括频率特性信道大尺度参数的QCL类型所对应的参考信号,确定上行信号的传输频率。
- 根据权利要求3所述的信息处理方法,其中,根据所述QCL类型信息,确定所述第一信号的传输方案是否为第一传输方案,包括:在满足第七条件的情况下,确定第一信号的传输方案为第一传输方案;其中,所述第七条件包括:按照第一规则确定与所述DMRS端口具有关于信道的频率特性大尺度参数的QCL关系的参考信号;以及,所述QCL指示信息指示所述第一信号关联至少两个TCI state,和/或,所述QCL指示信息指示所述第一信号的DMRS端口关联至少两个TCI state;其中,所述至少两个TCI state包括两个TCI state均满足:包括的一个QCL类型为第二类型;所述第二类型包括时延特性信道大尺度参数以及频率特性信道大尺度参数。
- 根据权利要求13所述的信息处理方法,其中,按照第一规则确定与所述DMRS端口具有关于频率特性信道大尺度参数的QCL关系的参考信号,包括:根据网络设备发送的第一指示信息,确定目标TCI state;将所述目标TCI state中包括频率特性信道大尺度参数的QCL类型所对应的参考信号,作为与所述DMRS端口具有关于频率特性信道大尺度参数的QCL关系的参考信号。
- 根据权利要求1所述的信息处理方法,其中,所述传输模式相关配置信息指示终端按照第一规则确定与所述DMRS端口具有关于信道的频率特性大尺度参数的QCL关系的参考信号;所述按照第一规则确定与所述DMRS端口具有关于频率特性信道大尺度 参数的QCL关系的参考信号,包括:确定目标TCI state;将所述目标TCI state中包括频率特性信道大尺度参数的QCL类型所对应的参考信号,作为与所述DMRS端口具有关于频率特性信道大尺度参数的QCL关系的参考信号,所述频率特性信道大尺度参数包括{多普勒频偏,多普勒扩展}。
- 根据权利要求1所述的信息处理方法,其中,所述传输模式相关配置信息指示终端按照第一规则确定与所述DMRS端口具有关于信道的频率特性大尺度参数的QCL关系的参考信号;所述按照第一规则确定与所述DMRS端口具有关于频率特性信道大尺度参数的QCL关系的参考信号,包括:忽略第一TCI state中的如下信道大尺度参数:{多普勒频偏,多普勒扩展}。
- 根据权利要求1所述的信息处理方法,其中,所述DMRS端口指示信息包括所述第一信号的DMRS端口的QCL指示信息;所述根据所述传输模式相关配置信息,确定第一信号的传输方案是否为第一传输方案,包括:在满足第八条件的情况下,确定第一信号的传输方案为第一传输方案;其中,所述第八条件包括:所述场景指示信息指示终端处于高铁场景和/或频率预补偿场景,且所述QCL指示信息指示所述第一信号的DMRS端口关联至少两个TCI state。
- 根据权利要求1至11以及13至17任一项所述的信息处理方法,其中,还包括:根据用来确定上行信号的传输频率的参考信号,确定下行信号的频率。
- 根据权利要求1至11以及13至17任一项所述的信息处理方法,其中,还包括:根据与所述第一信号的DMRS端口具有关于频率特性信道大尺度参数的QCL关系的参考信号,确定下行信号的频率;和/或,根据与所述第一信号的DMRS端口具有关于频率特性信道大尺度参数的QCL关系的参考信号,确定上行信号的传输频率。
- 根据权利要求1所述的信息处理方法,其中,还包括:在满足第九条件的情况下,确定第一信号的传输方案为第三传输方案;其中,所述第九条件包括:调度所述第一信号的DCI的TDRA域没有指示对应于第二传输方案的参数;所述传输模式配置信息没有被配置为所述第一传输方案对应的取值;所述第一信号的DMRS端口所在的CDM组的数目为2;以及,以下:所述第一信号关联2个TCI state;和/或所述第一信号的DMRS端口关联2个TCI state;和/或所述第三传输方案、第二传输方案以及第一传输方案互不相同。
- 一种信息处理方法,包括:发送传输模式相关配置信息,以指示第一信号的传输方案是否为第一传输方案;其中,所述传输模式相关配置信息包括以下:传输模式配置信息、所述第一信号的解调参考信号DMRS端口指示信息、关于所述第一信号的时域资源分配TDRA指示信息;和/或关于终端是否处于高铁场景和/或频率预补偿场景的场景指示信息;所述第一传输方案中所述第一信号的一个数据层与至少两个参考信号具有关于至少一个信道大尺度参数的准共址QCL关系;和/或,所述第一信号的一个DMRS端口与至少两个参考信号具有关于至少一个信道大尺度参数的QCL关系。
- 根据权利要求21所述的信息处理方法,其中,所述发送传输模式相关配置信息,以指示第一信号的传输方案是否为第一传输方案,包括:通过所述DMRS端口指示信息,指示所述第一信号的DMRS端口所在的码分复用CDM组的数目,和/或所述第一信号的DMRS端口的准共址QCL指示信息,以指示第一信号的传输方案是否为第一传输方案。
- 根据权利要求22所述的信息处理方法,其中,通过所述DMRS端口指示信息,指示QCL指示信息,以指示第一信号的传输方案是否为第一传输方案,包括:通过所述QCL指示信息,指示QCL类型信息,和/或传输配置指示状态 TCI state的个数信息,以指示第一信号的传输方案是否为第一传输方案。
- 根据权利要求22所述的信息处理方法,其中,所述通过所述DMRS端口指示信息,指示所述第一信号的DMRS端口所在的码分复用CDM组的数目,和/或所述第一信号的DMRS端口的准共址QCL指示信息,以指示第一信号的传输方案是否为第一传输方案,包括:指示满足第一条件的信息,以指示第一信号的传输方案为第一传输方案;其中,所述第一条件包括:调度所述第一信号的DCI的TDRA域没有指示对应于第二传输方案的参数;所述第一信号的所有DMRS端口均位于一个CDM组内;以及,以下:所述QCL指示信息指示所述第一信号关联至少两个TCI state;和/或所述QCL指示信息指示所述第一信号的DMRS端口关联至少两个TCI state;其中,所述第二传输方案与所述第一传输方案不同。
- 根据权利要求21所述的信息处理方法,其中,所述发送传输模式相关配置信息,以指示第一信号的传输方案是否为第一传输方案,包括:指示满足第二条件的信息,以指示第一信号的传输方案为第一传输方案;其中,所述第二条件包括所述传输模式配置信息指示所述第一传输方案对应的取值。
- 根据权利要求25所述的信息处理方法,其中,所述DMRS端口指示信息包括所述第一信号的DMRS端口的QCL指示信息;所述第二条件还包括以下:所述QCL指示信息指示所述第一信号关联至少两个TCI state;和/或所述QCL指示信息指示所述第一信号的DMRS端口关联至少两个TCI state。
- 根据权利要求26所述的信息处理方法,其中,所述第二条件还包括:所述第一信号的DMRS端口所在的码分复用CDM组的数目为1。
- 根据权利要求22所述的信息处理方法,其中,所述发送传输模式相关配置信息,以指示第一信号的传输方案是否为第一传输方案,包括:通过所述DMRS端口指示信息指示满足第三条件的信息,以指示第一信号的传输方案为第一传输方案;其中,所述第三条件包括以下:所述QCL指示信息指示所述第一信号至少关联一个满足第四条件的TCI state;和/或所述QCL指示信息指示所述第一信号的DMRS端口至少关联一个满足第四条件的TCI state;和/或所述第四条件包括:关联了至少两个参考信号的QCL类型的数量为至少一个。
- 根据权利要求28所述的信息处理方法,其中,所述第三条件还包括:调度所述第一信号的DCI的TDRA域没有指示对应于第二传输方案的参数;其中,所述第二传输方案与所述第一传输方案不同。
- 根据权利要求23所述的信息处理方法,其中,通过所述QCL指示信息,指示QCL类型信息,以指示第一信号的传输方案是否为第一传输方案,包括:通过所述QCL指示信息指示满足第五条件的信息,以指示第一信号的传输方案为第一传输方案;其中,所述第五条件包括以下:所述QCL指示信息指示所述第一信号关联至少两个TCI state;和/或所述QCL指示信息指示所述第一信号的DMRS端口关联至少两个TCI state;其中,所述至少两个TCI state中一个TCI state包括的一个QCL类型为第一类型,一个TCI state包括的一个QCL类型为第二类型;所述第一类型所包括的信道大尺度参数均为时延特性信道大尺度参数;所述第二类型包括时延特性信道大尺度参数以及频率特性信道大尺度参数。
- 根据权利要求23所述的信息处理方法,其中,通过所述QCL指示信息,指示QCL类型信息,以指示第一信号的传输方案是否为第一传输方案,包括:通过所述QCL指示信息指示满足第六条件的信息,以指示第一信号的传输方案为第一传输方案;其中,所述第六条件包括以下:所述QCL指示信息指示所述第一信号关联至少两个TCI state;和/或所述QCL指示信息指示所述第一信号的DMRS端口关联至少两个TCI state;其中,所述至少两个TCI state中一个TCI state包括的一个QCL类型为第一类型,一个TCI state包括的一个QCL类型为第三类型;所述第一类型所包括的信道大尺度参数均为时延特性参数;所述第三类型所包括的信道大尺度参数均为频率特性参数。
- 根据权利要求30至31任一项所述的信息处理方法,其中,还包括:通过TCI state指示包括频率特性信道大尺度参数的QCL类型所对应的参考信号。
- 根据权利要求23所述的信息处理方法,其中,通过所述QCL指示信息,指示QCL类型信息,以指示第一信号的传输方案是否为第一传输方案,包括:通过所述QCL指示信息指示满足第七条件的信息,以指示第一信号的传输方案为第一传输方案;其中,所述第七条件包括:按照第一规则确定与所述DMRS端口具有关于信道的频率特性大尺度参数的QCL关系的参考信号;以及,所述QCL指示信息指示所述第一信号关联至少两个TCI state,和/或,所述QCL指示信息指示所述第一信号的DMRS端口关联至少两个TCI state;其中,所述至少两个TCI state包括两个TCI state均满足:包括的一个QCL类型为第二类型;所述第二类型包括时延特性信道大尺度参数以及频率特性信道大尺度参数。
- 根据权利要求33所述的信息处理方法,其中,还包括:发送用于指示目标TCI state的第一指示信息;所述目标TCI state中包括的频率特性信道大尺度参数的QCL类型所对应的参考信号为与所述DMRS端口具有关于频率特性信道大尺度参数的QCL关系的参考信号。
- 根据权利要求21所述的信息处理方法,其中,所述发送传输模式相关配置信息,以指示第一信号的传输方案是否为第一传输方案,包括:通过所述传输模式相关配置信息,以指示终端按照第一规则确定与所述DMRS端口具有关于信道的频率特性大尺度参数的QCL关系的参考信号所述按照第一规则确定与所述DMRS端口具有关于频率特性信道大尺度参数的QCL关系的参考信号,包括:确定目标TCI state;将所述目标TCI state中包括频率特性信道大尺度参数的QCL类型所对应的参考信号,作为与所述DMRS端口具有关于频率特性信道大尺度参数的QCL关系的参考信号,所述频率特性信道大尺度参数包括{多普勒频偏,多普勒扩展}。
- 根据权利要求21所述的信息处理方法,其中,所述发送传输模式相关配置信息,以指示第一信号的传输方案是否为第一传输方案,包括:通过所述传输模式相关配置信息,以指示终端按照第一规则确定与所述DMRS端口具有关于信道的频率特性大尺度参数的QCL关系的参考信号;所述按照第一规则确定与所述DMRS端口具有关于频率特性信道大尺度参数的QCL关系的参考信号,包括:忽略第一TCI state中的如下信道大尺度参数:{多普勒频偏,多普勒扩展}。
- 根据权利要求21所述的信息处理方法,其中,所述DMRS端口指示信息包括所述第一信号的DMRS端口的QCL指示信息;所述发送传输模式相关配置信息,以指示第一信号的传输方案是否为第一传输方案,包括:通过所述传输模式相关配置信息指示满足第八条件的信息,以指示第一信号的传输方案为第一传输方案;其中,所述第八条件包括:所述场景指示信息指示终端处于高铁场景和/或频率预补偿场景,且所述QCL指示信息指示所述第一信号的DMRS端口关联至少两个TCI state。
- 根据权利要求21至31以及33至37任一项所述的信息处理方法,其中,还包括:指示用来确定上行信号的传输频率的参考信号。
- 根据权利要求21至31以及33至37任一项所述的信息处理方法,其中,还包括:指示与所述第一信号的DMRS端口具有关于频率特性信道大尺度参数的QCL关系的参考信号。
- 根据权利要求21所述的信息处理方法,其中,还包括:通过所述传输模式相关配置信息指示满足第九条件的信息,以指示第一信号的传输方案为第三传输方案;其中,所述第九条件包括:调度所述第一信号的DCI的TDRA域没有指示对应于第二传输方案的参数;所述传输模式配置信息没有被配置为所述第一传输方案对应的取值;所述第一信号的DMRS端口所在的CDM组的数目为2;以及,以下:所述第一信号关联2个TCI state;和/或所述第一信号的DMRS端口关联2个TCI state;和/或所述第三传输方案、第二传输方案以及第一传输方案互不相同。
- 一种终端,包括存储器,收发机,处理器:存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:通过所述收发机接收传输模式相关配置信息;根据所述传输模式相关配置信息,确定第一信号的传输方案是否为第一传输方案;其中,所述传输模式相关配置信息包括以下:传输模式配置信息、所述第一信号的解调参考信号DMRS端口指示信息、关于所述第一信号的时域资源分配TDRA指示信息,和/或关于终端是否处于高铁场景和/或频率预补偿场景的场景指示信息;所述第一传输方案中所述第一信号的一个数据层与至少两个参考信号具 有关于至少一个信道大尺度参数的准共址QCL关系;和/或,所述第一信号的一个DMRS端口与至少两个参考信号具有关于至少一个信道大尺度参数的QCL关系。
- 根据权利要求41所述的终端,其中,所述根据所述传输模式相关配置信息,确定第一信号的传输方案是否为第一传输方案,包括:根据所述DMRS端口指示信息,确定所述第一信号的DMRS端口所在的码分复用CDM组的数目,和/或所述第一信号的DMRS端口的准共址QCL指示信息;根据所述数目,和/或QCL指示信息,确定第一信号的传输方案是否为第一传输方案。
- 根据权利要求42所述的终端,其中,根据所述QCL指示信息,确定第一信号的传输方案是否为第一传输方案,包括:根据所述QCL指示信息确定QCL类型信息,和/或传输配置指示状态TCI state的个数信息;根据所述QCL类型信息,和/或TCI state的个数信息,确定第一信号的传输方案是否为第一传输方案。
- 一种网络设备,包括存储器,收发机,处理器:存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:通过所述收发机发送传输模式相关配置信息,以指示第一信号的传输方案是否为第一传输方案;其中,所述传输模式相关配置信息包括以下:传输模式配置信息、所述第一信号的解调参考信号DMRS端口指示信息、关于所述第一信号的时域资源分配TDRA指示信息,和/或关于终端是否处于高铁场景和/或频率预补偿场景的场景指示信息;所述第一传输方案中所述第一信号的一个数据层与至少两个参考信号具有关于至少一个信道大尺度参数的准共址QCL关系;和/或,所述第一信号的一个DMRS端口与至少两个参考信号具有关于至少一个信道大尺度参数的QCL关系。
- 根据权利要求44所述的网络设备,其中,所述发送传输模式相关配置信息,以指示第一信号的传输方案是否为第一传输方案,包括:通过所述DMRS端口指示信息,指示所述第一信号的DMRS端口所在的码分复用CDM组的数目,和/或所述第一信号的DMRS端口的准共址QCL指示信息,以指示第一信号的传输方案是否为第一传输方案。
- 根据权利要求45所述的网络设备,其中,通过所述DMRS端口指示信息,指示QCL指示信息,以指示第一信号的传输方案是否为第一传输方案,包括:通过所述QCL指示信息,指示QCL类型信息,和/或传输配置指示状态TCI state的个数信息,以指示第一信号的传输方案是否为第一传输方案。
- 一种信息处理装置,包括:第一接收单元,用于接收传输模式相关配置信息;第一确定单元,用于根据所述传输模式相关配置信息,确定第一信号的传输方案是否为第一传输方案;其中,所述传输模式相关配置信息包括以下:传输模式配置信息、所述第一信号的解调参考信号DMRS端口指示信息、关于所述第一信号的时域资源分配TDRA指示信息,和/或关于终端是否处于高铁场景和/或频率预补偿场景的场景指示信息;所述第一传输方案中所述第一信号的一个数据层与至少两个参考信号具有关于至少一个信道大尺度参数的准共址QCL关系;和/或,所述第一信号的一个DMRS端口与至少两个参考信号具有关于至少一个信道大尺度参数的QCL关系。
- 一种信息处理装置,包括:第一发送单元,用于发送传输模式相关配置信息,以指示第一信号的传输方案是否为第一传输方案;其中,所述传输模式相关配置信息包括以下:传输模式配置信息、所述第一信号的解调参考信号DMRS端口指示信息、关于所述第一信号的时域资源分配TDRA指示信息,和/或关于终端是否处于高铁场景和/或频率预补偿场景的场景指示信息;所述第一传输方案中所述第一信号的一个数据层与至少两个参考信号具有关于至少一个信道大尺度参数的准共址QCL关系;和/或,所述第一信号的一个DMRS端口与至少两个参考信号具有关于至少一个信道大尺度参数的QCL关系。
- 一种处理器可读存储介质,所述处理器可读存储介质存储有计算机程序,所述计算机程序用于使所述处理器执行权利要求1至20任一项所述的信息处理方法;或者,所述处理器可读存储介质存储有计算机程序,所述计算机程序用于使所述处理器执行权利要求21至40任一项所述的信息处理方法。
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