WO2023178622A1 - 一种dmrs端口指示方法及其装置 - Google Patents
一种dmrs端口指示方法及其装置 Download PDFInfo
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- WO2023178622A1 WO2023178622A1 PCT/CN2022/082868 CN2022082868W WO2023178622A1 WO 2023178622 A1 WO2023178622 A1 WO 2023178622A1 CN 2022082868 W CN2022082868 W CN 2022082868W WO 2023178622 A1 WO2023178622 A1 WO 2023178622A1
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- dmrs
- dmrs port
- port configuration
- configuration table
- data transmission
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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
- H04L5/0048—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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
- H04W56/0015—Synchronization between nodes one node acting as a reference for the others
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
- H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
Definitions
- the processing module may be a processor
- the transceiver module may be a transceiver or a communication interface
- the storage module may be a memory
- embodiments of the present application provide another communication device that has some or all of the functions of the terminal device in the method example described in the second aspect.
- the functions of the communication device may have some of the functions in this application.
- the functions in all embodiments may also be used to implement any one embodiment of the present application independently.
- the functions described can be implemented by hardware, or can be implemented by hardware executing corresponding software.
- the hardware or software includes one or more units or modules corresponding to the above functions.
- inventions of the present application provide a communication device.
- the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device executes The method described in the first aspect above.
- inventions of the present application provide a communication device.
- the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device executes The method described in the second aspect above.
- Figure 9 is a schematic flow chart of a DMRS port indication method provided by an embodiment of the present application.
- Figure 10 is a schematic flow chart of a DMRS port indication method provided by an embodiment of the present application.
- the DMRS port allocation set includes one or more DMRS ports.
- the DMRS port allocation set in all embodiments of the present disclosure includes the same content, that is, one or more DMRS ports.
- the DMRS port allocated for PUSCH transmission is indicated to the terminal device through the DMRS port indication, so that the terminal device uses the allocated DMRS port or DMRS port combination to communicate with the network equipment. Perform PUSCH transmission.
- the number of bits occupied by the port indication field is based on a protocol agreement or is configured through the network or is agreed upon by the protocol through DMRS type parameters.
- the DMRS port indication field indicates the number of bits used by the one or more DMRS ports, which is determined by the total entries occupied by the DMRS port configuration table.
- the DMRS port configuration table includes a DMRS port allocation set defined for the first uplink data transmission layer.
- the network device may explicitly or implicitly determine the target DMRS type parameter and the target first uplink data transmission layer used by the terminal device for PUSCH transmission. For example, based on protocol agreements or upper-layer instructions.
- DMRS type is type 1
- DMRS type is type 1
- the network device determines the first DMRS port configuration table under different DMRS type parameters corresponding to the target first uplink data transmission layer from the first DMRS port configuration table as the candidate first DMRS port configuration table.
- DMRS type is type 1
- DMRS type is type 2
- FL DMRS 1 corresponding to the first DMRS port configuration table 2;
- DMRS type is type 2
- configure the target first DMRS port Table 1 is the first DMRS port configuration table. You can refer to Table 1 to determine DMRS ports 0 to 4 as the DMRS ports allocated for PUSCH transmission.
- Step S46 Indicate one or more DMRS ports to the terminal device.
- the DMRS port indication method when a single terminal device supports a maximum number of uplink data transmission layers of 8, configures a DMRS port configuration table for the first uplink data transmission layer based on the DMRS type, and configures the DMRS port configuration table based on the configured DMRS port Configuration table to allocate the required DMRS port or ports for PUSCH transmission.
- multiple configuration methods are provided for configuring the DMRS port configuration table for the new uplink data transmission layer, and the blanks of the DMRS port configuration table required for the new uplink data transmission layer configuration are filled in to enhance the uplink transmission.
- Ability provides the basic basis. Moreover, it can allocate DMRS ports required for PUSCH transmission by terminal equipment based on the configured DMRS port configuration table, which is helpful to avoid conflicts between PUSCH and DMRS of other scheduled terminal equipment.
- Figure 5 is a schematic flowchart of a DMRS port indication method provided by an embodiment of the present application. As shown in Figure 5, the method is executed by the network device and may include but is not limited to the following steps:
- the total number of second DMRS port configuration tables is three.
- the network device may explicitly or implicitly set the target DMRS type parameter and/or the target first uplink data transmission layer. Instructions to terminal equipment.
- the network device determines the DMRS from the three second DMRS port configuration tables.
- Step S55 Determine one or more DMRS ports allocated for PUSCH transmission based on the target first DMRS port configuration subtable.
- the DMRS port indication method when a single terminal device supports a maximum number of uplink data transmission layers of 8, configures a DMRS port configuration table for the first uplink data transmission layer based on the DMRS type, and configures the DMRS port configuration table based on the configured DMRS port Configuration table to allocate the required DMRS port or ports for PUSCH transmission.
- multiple configuration methods are provided for configuring the DMRS port configuration table for the first uplink data transmission layer, and the blanks of the DMRS port configuration table required for the configuration of the first uplink data transmission layer are filled in to enhance uplink transmission.
- Ability provides the basic basis. Moreover, it can allocate DMRS ports required for PUSCH transmission by terminal equipment based on the configured DMRS port configuration table, which is helpful to avoid conflicts between PUSCH and DMRS of other scheduled terminal equipment.
- the DMRS port configuration table includes a DMRS port allocation set defined for the first uplink data transmission layer.
- the DMRS port configuration table configured at time 4 includes different configuration entries.
- the third DMRS port configuration table includes a total of 32 entries.
- the network device may explicitly or implicitly determine the target DMRS type parameter and the target first uplink data transmission layer used by the terminal device for PUSCH transmission. For example, based on protocol agreements or upper-layer instructions.
- the second DMRS port configuration sub-table of each first uplink data transmission layer under the DMRS type parameter it can be based on the target DMRS type parameter from the third DMRS port configuration table.
- a candidate second DMRS port configuration sub-table is determined therefrom as a candidate DMRS port configuration sub-table.
- the target second DMRS port configuration subtable is determined from the determined candidate second DMRS port configuration subtable as the target DMRS port configuration subtable.
- the DMRS ports in the target DMRS port configuration sub-table are determined as one or more DMRS ports allocated for PUSCH transmission.
- the one or more DMRS ports are indicated to the terminal device through the DMRS port indication field in the downlink control instruction DCI, where the multiple DMRS ports may be a combination of DMRS ports, where a port index in the port indication field value, the port index value is used to indicate the port index value of the one or more DMRS ports.
- the port index value is a row index of a target DMRS port configuration subtable, or an index offset. The actual port index value can be determined based on the starting index value and the row offset.
- Figure 7 is a schematic flowchart of a DMRS port indication method provided by an embodiment of the present application. As shown in Figure 7, this method is executed by the terminal device and may include but is not limited to the following steps:
- the DMRS port configuration table includes a DMRS port allocation set defined for the first uplink data transmission layer.
- the DMRS port configuration table includes a DMRS port allocation set defined for the first uplink data transmission layer.
- the DMRS port set includes one or more DMRS ports available to the first uplink data transmission layer, where the multiple DMRS ports may be a combination of DMRS ports.
- the total number of second DMRS port configuration tables is three.
- the number of entries in the DMRS port allocation table corresponding to RANK5-8 is 16, that is, the DMRS port indication field in DCI can be indicated by 4 bits.
- DCI0-1/0-2 may be used to indicate the port to the end device.
- the DMRS port configuration table configured at time 4 includes different configuration entries.
- the third DMRS port configuration table includes a total of 32 entries.
- Step S72 Receive the indication information sent by the network device, and obtain one or more DMRS ports allocated for PUSCH transmission from the DMRS port configuration table based on the indication information.
- the network device After the network device determines that a DMRS port or DMRS port combination is allocated for PUSCH transmission, it can indicate to the terminal device the DMRS port allocated for PUSCH transmission through the DMRS port indication, so that the terminal device uses the allocated DMRS port or DMRS port combination. Perform PUSCH transmission with network equipment.
- the network device indicates a DMRS port or DMRS port combination allocated for PUSCH transmission to the terminal device through the DMRS port indication field in the downlink control instruction DCI.
- the terminal device can receive the DCI, obtain the DMRS port indication field therefrom, and then determine one or more DMRS ports allocated for PUSCH transmission.
- the DMRS port indication method when a single terminal device supports a maximum number of uplink data transmission layers of 8, configures a DMRS port configuration table for the first uplink data transmission layer based on the DMRS type, and configures the DMRS port configuration table based on the configured DMRS port Configuration table to allocate the required DMRS port or ports for PUSCH transmission.
- multiple configuration methods are provided for configuring the DMRS port configuration table for the new uplink data transmission layer, and the blanks of the DMRS port configuration table required for the new uplink data transmission layer configuration are filled in to enhance uplink transmission.
- Ability provides the basic basis. Moreover, it can allocate DMRS ports required for PUSCH transmission by terminal equipment based on the configured DMRS port configuration table, which is helpful to avoid conflicts between PUSCH and DMRS of other scheduled terminal equipment.
- the DMRS port configuration table includes a DMRS port allocation set defined for the first uplink data transmission layer.
- the target first DMRS port configuration sub-table can be determined from the plurality of second DMRS port configuration tables as the DMRS port configuration table to be indexed.
- the DMRS port configuration table is a third DMRS port configuration table.
- the third DMRS port configuration table can be configured based on the target DMRS type parameters and the target first uplink data transmission layer.
- the target second DMRS port configuration sub-table or the third DMRS port configuration sub-table is determined as the DMRS port configuration table to be indexed.
- the target third DMRS port configuration table can be determined from the third DMRS port configuration table.
- a DMRS port or port combination allocated for PUSCH transmission is indicated to the terminal device through the DMRS port indication field in the downlink control instruction DCI.
- DCI0-1/0-2 can be used to indicate to the terminal device a DMRS port or port combination allocated for PUSCH transmission.
- Step S85 Determine one or more DMRS ports allocated for PUSCH transmission from the DMRS port configuration table to be indexed based on the port index value.
- the DMRS port indication method when a single terminal device supports a maximum number of uplink data transmission layers of 8, configures a DMRS port configuration table for the first uplink data transmission layer based on the DMRS type, and configures the DMRS port configuration table based on the configured DMRS port Configuration table to allocate the required DMRS port or ports for PUSCH transmission.
- multiple configuration methods are provided for configuring the DMRS port configuration table for the new uplink data transmission layer, and the blanks of the DMRS port configuration table required for the new uplink data transmission layer configuration are filled in to enhance the uplink transmission.
- Ability provides the basic basis. Moreover, it can allocate DMRS ports required for PUSCH transmission by terminal equipment based on the configured DMRS port configuration table, which is helpful to avoid conflicts between PUSCH and DMRS of other scheduled terminal equipment.
- the DMRS port configuration table includes a DMRS port allocation set defined for the first uplink data transmission layer.
- the total number of first DMRS port configuration tables is 10.
- the terminal device determines the first DMRS port configuration table under different DMRS type parameters corresponding to the target first uplink data transmission layer from the first DMRS port configuration table as the candidate first DMRS port configuration table. Further, based on the target DMRS type parameter, the terminal device determines the target first DMRS port configuration table from the candidate first DMRS port configuration tables as the DMRS port configuration table to be indexed.
- Step S95 Receive the downlink control command DCI, and obtain the DMRS port indication field from the DCI.
- a DMRS port or port combination allocated for PUSCH transmission is indicated to the terminal device through the DMRS port indication field in the DCI.
- Step S96 Determine one or more DMRS ports allocated for PUSCH transmission from the DMRS port configuration table to be indexed based on the port index value.
- Figure 10 is a schematic flowchart of a DMRS port indication method provided by an embodiment of the present application. As shown in Figure 10, this method is executed by the terminal device and may include but is not limited to the following steps:
- Step S101 in response to the maximum number of uplink data transmission layers N corresponding to the PUSCH shared channel transmission supported by a single terminal device being equal to 8 layers.
- the first uplink data transmission layer is Determine the DMRS port configuration table.
- the DMRS port configuration table includes a DMRS port allocation set defined for the first uplink data transmission layer.
- step S102 in the embodiments of this application can be implemented by referring to any implementation method in each embodiment of this application.
- relevant content records please refer to the relevant content records, which will not be described again here.
- Step S103 Determine a candidate second DMRS port configuration table from the second DMRS port configuration table based on the target DMRS type parameter.
- Step S105 Receive the downlink control command DCI, and obtain the DMRS port indication field from the DCI.
- a DMRS port or DMRS port combination allocated for PUSCH transmission is indicated to the terminal device through the DMRS port indication field in the DCI.
- Step S106 Determine one or more DMRS ports allocated for PUSCH transmission from the DMRS port configuration table to be indexed based on the port index value.
- step S105 and step S106 in the embodiments of this application can be implemented by referring to any implementation method in each embodiment of this application.
- any implementation method in each embodiment of this application please refer to the relevant content records, which will not be described again here.
- Figure 11 is a schematic flowchart of a DMRS port indication method provided by an embodiment of the present application. As shown in Figure 11, this method is executed by the terminal device and may include but is not limited to the following steps:
- the DMRS port configuration table includes a DMRS port allocation set defined for the first uplink data transmission layer.
- the third DMRS port configuration table includes a second DMRS port configuration sub-table for each first uplink data transmission layer under each DMRS type parameter.
- the DMRS port configuration table configured at time 4 includes different configuration entries.
- the third DMRS port configuration table includes a total of 32 entries.
- step S102 in the embodiments of this application can be implemented by referring to any implementation method in each embodiment of this application.
- relevant content records please refer to the relevant content records, which will not be described again here.
- Step S113 Based on the target DMRS type parameter and the target first uplink data transmission layer, determine the target DMRS port configuration sub-table from the third DMRS port configuration table as the DMRS port configuration table to be indexed.
- the target DMRS port configuration sub-table is a second DMRS port configuration sub-table in the third DMRS port configuration table or a third DMRS port configuration sub-table in the third DMRS port configuration table.
- the third DMRS port configuration table can be used based on the target first uplink
- the data transmission layer determines a candidate third DMRS port configuration sub-table as a candidate DMRS port configuration sub-table. Further, based on the target DMRS type parameter, a target third DMRS port configuration sub-table is determined from the determined candidate third DMRS port configuration sub-table as the target DMRS port configuration sub-table, that is, the DMRS port configuration table to be indexed.
- Step S114 Receive the downlink control command DCI, and obtain the DMRS port indication field from the DCI.
- DMRS type 1, FL DMRS 2
- the number of entries in the DMRS port allocation table corresponding to RANK5-8 is 32, that is, the DMRS port indication field in DCI can be indicated by 8 bits. That is to say, when the DMRS port configuration table is the third DMRS port configuration table, the number of bits in the DMRS port indication field is greater than the number of bits used to indicate one or more DMRS ports in the DMRS port configuration table corresponding to the second uplink data transmission layer. number.
- step S105 and step S106 in the embodiments of this application can be implemented by referring to any implementation method in each embodiment of this application.
- any implementation method in each embodiment of this application please refer to the relevant content records, which will not be described again here.
- the methods provided by the embodiments of the present application are introduced from the perspectives of terminal equipment and network equipment respectively.
- the terminal device and the network device may include a hardware structure and a software module to implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module.
- a certain function among the above functions can be executed by a hardware structure, a software module, or a hardware structure plus a software module.
- FIG. 12 is a schematic structural diagram of a communication device 120 provided by an embodiment of the present application.
- the communication device 120 shown in FIG. 12 may include a processing module 121 and a transceiver module 122.
- the transceiving module 122 may include a sending module and/or a receiving module.
- the sending module is used to implement the sending function
- the receiving module is used to implement the receiving function.
- the transceiving module 122 may implement the sending function and/or the receiving function.
- the communication device 120 may be a terminal device, a device in the terminal device, or a device that can be used in conjunction with the terminal device.
- the communication device 120 may be a network device, a device in a network device, or a device that can be used in conjunction with the network device.
- the communication device 120 is a network device, including:
- the processing module 121 is used to transmit the maximum uplink data transmission layer N corresponding to the PUSCH shared channel supported by a single terminal device, which is equal to 8 layers.
- the first uplink data is The transport layer determines a DMRS port configuration table, which includes a DMRS port allocation set defined for the first uplink data transport layer;
- the transceiver module 122 is configured to indicate to the terminal device one or more DMRS ports allocated for physical uplink shared channel PUSCH transmission based on the DMRS port configuration table.
- the processing module 121 is also configured to generate, for each layer of the first uplink data transmission layer, a first DMRS port configuration table corresponding to different DMRS type parameters.
- the processing module 121 is further configured to: for each DMRS type parameter, generate a second DMRS port configuration table corresponding to the DMRS type parameter, wherein the second DMRS port configuration table includes each of the DMRS type parameters.
- the processing module 121 is also configured to: generate a total third DMRS port configuration table.
- the content of the third DMRS port configuration table is one of the following: each third DMRS port configuration table under each of the DMRS type parameters.
- the transceiver module 122 is further configured to: in response to the DMRS port configuration table being a second DMRS port configuration table, determine a candidate second DMRS from the second DMRS port configuration table based on the target DMRS type parameter. Port configuration table; based on the target first uplink data transmission layer, determine the target first DMRS port configuration sub-table from the candidate second DMRS port configuration table; based on the target first DMRS port configuration sub-table, determine as The PUSCH transmits one or more allocated DMRS ports.
- Target DMRS port configuration sub-table based on the target first uplink data transmission layer, determine the target second DMRS port configuration sub-table from the candidate second DMRS port configuration sub-table, and configure the target second DMRS port based on the target second DMRS port configuration sub-table sub-table to determine one or more DMRS ports allocated for the PUSCH transmission; or, based on the target first uplink data transmission layer, determine a candidate third target DMRS port from the third DMRS port configuration table Configuration sub-table; based on the target DMRS type parameter, determine the target third DMRS port configuration sub-table from the candidate third DMRS port configuration sub-table, and based on the target third DMRS port configuration sub-table, determine as The PUSCH transmits one or more allocated DMRS ports.
- the port indication field occupies a number of bits corresponding to the DMRS used to indicate the second uplink data transmission layer.
- the number of bits used by a DMRS port or port combination in the port configuration table is the same.
- the number of bits in the DMRS port indication field is greater than the number of bits indicating a DMRS port or port combination in the second uplink data transmission layer DMRS port configuration table. The number of bits used.
- the transceiver module 122 is also configured to indicate the target DMRS type parameter and the target first uplink data transmission layer to the terminal device.
- the transceiver module 122 is also configured to explicitly or implicitly indicate the target first uplink data transmission layer to the terminal device.
- the DMRS port configuration table includes the maximum number of pre-DMRS symbols and/or the DMRS mapping type corresponding to the DMRS type parameter.
- the processing module 121 is configured to transmit the maximum uplink data transmission layer N corresponding to the PUSCH shared channel transmission supported by the terminal equipment, which is equal to 8 layers. Based on the DMRS type parameter, based on the second uplink data transmission layer number, the first uplink data transmission layer N is equal to 8 layers.
- the data transmission layer determines a DMRS port configuration table, wherein the DMRS port configuration table includes a DMRS port allocation set defined for the first uplink data transmission layer;
- the processing module 121 is further configured to: for each first uplink data transmission layer, generate a first DMRS port configuration table corresponding to different DMRS type parameters for the first uplink data transmission layer.
- the processing module 121 is further configured to: for each DMRS type parameter, generate a second DMRS port configuration table corresponding to the DMRS type parameter, wherein the second DMRS port configuration table includes each of the DMRS type parameters.
- the processing module 121 is also configured to: generate a total third DMRS port configuration table, the content included in the third DMRS port configuration table is one of the following: each DMRS type parameter under each The second DMRS port configuration sub-table of the first uplink data transmission layer; the third DMRS port configuration sub-table of each DMRS type parameter under each of the first uplink data transmission layer.
- the transceiver module 122 is also configured to determine the target DMRS type parameter and the target first uplink data transmission layer used by the terminal device for PUSCH transmission.
- the transceiver module 122 is also configured to explicitly or implicitly determine the target first uplink data transmission layer.
- the transceiver module 122 is also configured to: receive a downlink control instruction DCI, and obtain a DMRS port indication field from the DCI, wherein the port indication field includes a port index value, and the port index value is used for indexing.
- One or more DMRS ports allocated for the PUSCH transmission based on the target DMRS type parameter and the target first uplink data transmission layer, determine the DMRS port configuration table to be indexed from the DMRS port configuration table; based on The port index value determines the one or more DMRS ports from the DMRS port configuration table to be indexed.
- the transceiver module 122 is further configured to: in response to the DMRS port configuration table being the first DMRS port configuration table, based on the target DMRS type parameter and the first parameter in the target first uplink data transmission layer , determine a candidate first DMRS port configuration table from the first DMRS port configuration table; based on the target DMRS type parameter and the second parameter in the target first uplink data transmission layer, determine from the candidate first
- the target first DMRS port configuration table is determined from the DMRS port configuration table as the DMRS port configuration table to be indexed.
- the transceiver module 122 is further configured to: in response to the DMRS port configuration table being a third DMRS port configuration table, determine a candidate second DMRS port configuration table from the third DMRS port configuration table based on the target DMRS type parameter.
- Target DMRS port configuration sub-table based on the target first uplink data transmission layer, determine the target second DMRS port configuration sub-table from the candidate second DMRS port configuration sub-table as the DMRS port configuration table to be indexed, And based on the target second DMRS port configuration sub-table, determine one or more DMRS ports allocated for the PUSCH transmission; or based on the target first uplink data transmission layer, configure from the third DMRS port A candidate third target DMRS port configuration sub-table is determined from the table; based on the target DMRS type parameter, a target third DMRS port configuration sub-table is determined from the candidate third DMRS port configuration sub-table as the to-be-indexed DMRS port configuration table, and based on the target third DMRS port configuration sub-table, determine one or more DMRS ports allocated for the PUSCH transmission.
- FIG 13 is a schematic structural diagram of another communication device 130 provided by an embodiment of the present application.
- the communication device 130 may be a terminal device, a network device, a chip, a chip system, or a processor that supports a terminal device to implement the above method, or a chip, a chip system, or a processor that supports a network device to implement the above method. Processor etc.
- the device can be used to implement the method described in the above method embodiment. For details, please refer to the description in the above method embodiment.
- Communication device 130 may include one or more processors 131.
- the processor 131 may be a general-purpose processor or a special-purpose processor, or the like. For example, it can be a baseband processor or a central processing unit.
- the baseband processor can be used to process communication protocols and communication data.
- the central processor can be used to control communication devices (such as base stations, baseband chips, terminal equipment, terminal equipment chips, DU or CU, etc.) and execute computer programs. , processing data for computer programs.
- the communication device 130 may also include one or more memories 132, on which a computer program 134 may be stored.
- the processor 131 executes the computer program 134, so that the communication device 130 performs the steps described in the above method embodiments. method.
- the memory 132 may also store data.
- the communication device 130 and the memory 132 can be provided separately or integrated together.
- the communication device 130 may also include a transceiver 135 and an antenna 136.
- the transceiver 135 may be called a transceiver unit, a transceiver, a transceiver circuit, etc., and is used to implement transceiver functions.
- the transceiver 135 may include a receiver and a transmitter.
- the receiver may be called a receiver or a receiving circuit, etc., used to implement the receiving function;
- the transmitter may be called a transmitter, a transmitting circuit, etc., used to implement the transmitting function.
- the communication device 130 may also include one or more interface circuits 137.
- the interface circuit 137 is used to receive code instructions and transmit them to the processor 131 .
- the processor 131 executes the code instructions to cause the communication device 130 to perform the method described in the above method embodiment.
- the processor 131 may include a transceiver for implementing receiving and transmitting functions.
- the transceiver may be a transceiver circuit, an interface, or an interface circuit.
- the transceiver circuits, interfaces or interface circuits used to implement the receiving and transmitting functions can be separate or integrated together.
- the above-mentioned transceiver circuit, interface or interface circuit can be used for reading and writing codes/data, or the above-mentioned transceiver circuit, interface or interface circuit can be used for signal transmission or transfer.
- the processor 131 may store a computer program 133, and the computer program 133 runs on the processor 131, causing the communication device 130 to perform the method described in the above method embodiment.
- the computer program 133 may be solidified in the processor 131, in which case the processor 131 may be implemented by hardware.
- the communication device 130 may include a circuit, which may implement the functions of sending or receiving or communicating in the foregoing method embodiments.
- the processor and transceiver described in this application can be implemented in integrated circuits (ICs), analog ICs, radio frequency integrated circuits RFICs, mixed signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board (PCB), electronic equipment, etc.
- the communication device described in the above embodiments may be a sending device or a receiving device (such as the receiving device in the foregoing method embodiment), but the scope of the communication device described in this application is not limited thereto, and the structure of the communication device may not be limited to Limitations of Figure 13.
- the communication device may be a stand-alone device or may be part of a larger device.
- the communication device may be:
- the IC collection may also include storage components for storing data and computer programs;
- Embodiments of the present application also provide a DMRS port indication system, which system includes a communication device as a terminal device (such as the terminal device in the foregoing method embodiment) and a communication device as a network device in the embodiment of FIG. 12, or the The system includes a communication device as a terminal device (such as the terminal device in the foregoing method embodiment) in the aforementioned embodiment of FIG. 13 and a communication device as a network device.
- a DMRS port indication system which system includes a communication device as a terminal device (such as the terminal device in the foregoing method embodiment) and a communication device as a network device in the embodiment of FIG. 12, or the The system includes a communication device as a terminal device (such as the terminal device in the foregoing method embodiment) in the aforementioned embodiment of FIG. 13 and a communication device as a network device.
- This application also provides a readable storage medium on which instructions are stored. When the instructions are executed by a computer, the functions of any of the above method embodiments are implemented.
- This application also provides a computer program product, which, when executed by a computer, implements the functions of any of the above method embodiments.
- the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
- software it may be implemented in whole or in part in the form of a computer program product.
- the computer program product includes one or more computer programs.
- the computer program When the computer program is loaded and executed on a computer, the processes or functions described in the embodiments of the present application are generated in whole or in part.
- the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
- the usable media may be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., high-density digital video discs (DVD)), or semiconductor media (e.g., solid state disks, SSD)) etc.
- magnetic media e.g., floppy disks, hard disks, magnetic tapes
- optical media e.g., high-density digital video discs (DVD)
- DVD digital video discs
- semiconductor media e.g., solid state disks, SSD
- At least one in this application can also be described as one or more, and the plurality can be two, three, four or more, which is not limited by this application.
- the technical feature is distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D”, etc.
- the technical features described in “first”, “second”, “third”, “A”, “B”, “C” and “D” are in no particular order or order.
- the corresponding relationships shown in each table in this application can be configured or predefined.
- the values of the information in each table are only examples and can be configured as other values, which are not limited by this application.
- the corresponding relationships shown in some rows may not be configured.
- appropriate deformation adjustments can be made based on the above table, such as splitting, merging, etc.
- the names of the parameters shown in the titles of the above tables may also be other names understandable by the communication device, and the values or expressions of the parameters may also be other values or expressions understandable by the communication device.
- other data structures can also be used, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables. wait.
- Predefinition in this application can be understood as definition, pre-definition, storage, pre-storage, pre-negotiation, pre-configuration, solidification, or pre-burning.
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Abstract
Description
Claims (29)
- 一种解调参考信号DMRS的端口指示方法,其特征在于,适用于网络设备,所述方法包括:响应于单个终端设备支持的PUSCH共享信道传输对应的最大上行数据传输层数N等于8层,基于DMRS类型参数,为第一上行数据传输层确定DMRS端口配置表,所述DMRS端口配置表中包括为所述第一上行数据传输层定义的DMRS端口分配集合;基于所述DMRS端口配置表,向终端设备指示为物理上行共享信道PUSCH传输所分配的一个或多个DMRS端口。
- 根据权利要求1所述的方法,其特征在于,所述基于DMRS类型参数,为第一上行数据传输层确定DMRS端口配置表,包括:针对每层所述第一上行数据传输层,生成不同DMRS类型参数各自对应的第一DMRS端口配置表。
- 根据权利要求1所述的方法,其特征在于,所述基于DMRS类型参数,为第一上行数据传输层确定DMRS端口配置表,包括:针对每种所述DMRS类型参数,生成该DMRS类型参数对应的第二DMRS端口配置表,其中,所述第二DMRS端口配置表中包括各个所述第一上行数据传输层的第一DMRS端口配置子表。
- 根据权利要求2或3所述的方法,其特征在于,所述基于所述DMRS端口配置表,向终端设备指示为物理上行共享信道PUSCH传输所分配的一个或多个DMRS端口,包括:确定所述终端设备进行PUSCH传输所使用的目标DMRS类型参数和目标第一上行数据传输层;基于所述目标DMRS类型参数和目标第一上行数据传输层,确定为所述PUSCH传输所分配的一个或多个DMRS端口;将所述一个或多个DMRS端口指示给所述终端设备。
- 根据权利要求4所述的方法,其特征在于,所述基于所述目标DMRS类型参数和目标第一上行数据传输层,确定为所述PUSCH传输所分配的一个或多个DMRS端口,包括:响应于所述DMRS端口配置表为第一DMRS端口配置表,基于所述目标DMRS类型参数和所述目标第一上行数据传输层中的第一参数,从所述第一DMRS端口配置表中确定出候选第一DMRS端口配置表;基于所述目标DMRS类型参数和所述目标第一上行数据传输层中的第二参数,从所述候选第一DMRS端口配置表中确定出目标第一DMRS端口配置表;基于所述目标第一DMRS端口配置表,确定为所述PUSCH传输所分配的一个或多个DMRS端口。
- 根据权利要求4所述的方法,其特征在于,所述基于所述目标DMRS类型参数和目标第一上行数据传输层,确定为所述PUSCH传输所分配的一个或多个DMRS端口,包括:响应于所述DMRS端口配置表为第二DMRS端口配置表,基于所述目标DMRS类型参数,从所述第二DMRS端口配置表确定候选第二DMRS端口配置表;基于所述目标第一上行数据传输层,从所述候选第二DMRS端口配置表中确定目标第一DMRS端口配置子表;基于所述目标第一DMRS端口配置子表,确定为所述PUSCH传输所分配的一个或多个DMRS端口。
- 根据权利要求4所述的方法,其特征在于,所述将所述一个或多个DMRS端口指示给所述终端设备,包括:通过下行控制指令DCI中的DMRS端口指示域,向所述终端设备指示所述一个或多个DMRS端口,其中,所述端口指示域中包括所述一个或多个DMRS端口的端口索引值。
- 根据权利要求7所述的方法,其特征在于,所述方法还包括:响应于所述目标DMRS端口配置表为第一DMRS端口配置表或第二DMRS端口配置表,所述端口指示域占用比特数,与用于指示第二上行数据传输层对应的DMRS端口配置表中一个或多个DMRS端口使用的比特数相同。
- 根据权利要7所述的方法,其特征在于,所述端口指示域占用的比特数是基于协议约定或者通过网络配置或者通过DMRS类型参数由协议约定。
- 根据权利要4所述的方法,其特征在于,所述确定所述终端设备PUSCH传输所使用的目标DMRS类型参数和目标第一上行数据传输层之后,还包括:向所述终端设备指示所述目标DMRS类型参数和目标第一上行数据传输层。
- 根据权利要10所述的方法,其特征在于,所述方法还包括:显示或隐式地向所述终端设备指示所述目标第一上行数据传输层。
- 根据权利要求1所述的方法,其特征在于,所述DMRS端口配置表中包括所述DMRS类型参数对应的前置DMRS的最大符号数和/或DMRS映射类型。
- 一种解调参考信号DMRS的端口指示方法,其特征在于,适用于终端设备,所述方法包括:响应于所述终端设备支持的PUSCH共享信道传输对应的最大上行数据传输层数N等于8层,基于DMRS类型参数,为第一上行数据传输层确定DMRS端口配置表,其中,所述DMRS端口配置表中包括为所述第一上行数据传输层定义的DMRS端口分配集合;接收网络设备发送的指示信息,基于所述指示信息从所述DMRS端口配置表中获取为所述终端设备的PUSCH传输所分配的一个或多个DMRS端口。
- 根据权利要求13所述的方法,其特征在于,所述基于DMRS类型参数,为第一上行数据传输层生成对应的DMRS端口配置表,包括:针对每层所述第一上行数据传输层,生成不同DMRS类型参数各自对应的第一DMRS端口配置表。
- 根据权利要求13所述的方法,其特征在于,所述基于DMRS类型参数,为第一上行数据传输层数生成对应的DMRS端口配置表,包括:针对每种所述DMRS类型参数,生成该DMRS类型参数对应的第二DMRS端口配置表,其中,所述第二DMRS端口配置表中包括各所述第一上行数据传输层的第一DMRS端口配置子表。
- 根据权利要求14或15任一项所述的方法,其特征在于,所述接收网络设备发送的指示信息,基于所述指示信息从所述DMRS端口配置表中获取为所述终端设备的PUSCH传输所分配的DMRS端口之前,还包括:确定所述终端设备进行PUSCH传输所使用的目标DMRS类型参数和目标第一上行数据传输层。
- 根据权利要求16所述的方法,其特征在于,所述方法还包括:显示或隐式地确定所述目标第一上行数据传输层。
- 根据权利要求16所述的方法,其特征在于,所述接收网络设备发送的指示信息,包括:接收下行控制指令DCI,从所述DCI中获取DMRS端口指示域,其中,所述端口指示域中包括端口索引值,所述端口索引值用于索引为所述PUSCH传输所分配的一个或多个DMRS端口;基于所述目标DMRS类型参数和目标第一上行数据传输层,从所述DMRS端口配置表中,确定出待索引DMRS端口配置表;基于所述端口索引值,从所述待索引DMRS端口配置表中确定所述一个或多个DMRS端口。
- 根据权利要求18所述的方法,其特征在于,所述基于所述目标DMRS类型参数和目标第一上行数据传输层,从所述DMRS端口配置表中,确定出待索引DMRS端口配置表,包括:响应于所述DMRS端口配置表为第一DMRS端口配置表,基于所述目标DMRS类型参数和所述目标第一上行数据传输层中的第一参数,从所述第一DMRS端口配置表中确定出候选第一DMRS端口配置表;基于所述目标DMRS类型参数和所述目标第一上行数据传输层中的第二参数,从所述候选第一DMRS端口配置表中确定出目标第一DMRS端口配置表,作为所述待索引DMRS端口配置表。
- 根据权利要求18所述的方法,其特征在于,所述基于所述目标DMRS类型参数和目标第一上行数据传输层,从所述DMRS端口配置表中,确定出待索引DMRS端口配置表,包括:响应于所述DMRS端口配置表为第二DMRS端口配置表,基于所述目标DMRS类型参数,从所述 第二DMRS端口配置表中确定出候选第二DMRS端口配置表;基于所述目标第一上行数据传输层,从所述候选第二DMRS端口配置表中确定出目标第一DMRS端口配置子表,作为所述待索引DMRS端口配置表。
- 根据权利要求18所述的方法,其特征在于,所述基于所述端口索引值,从所述待索引DMRS端口配置表中确定所述一个或多个DMRS端口,包括:基于所述端口索引值直接对所述待索引DMRS端口配置表进行索引从中确定出所述一个或多个DMRS端口;或者,确定预定义表格的起始索引值,并根据所述端口索引值和所述起始索引值,确定实际端口索引值,并基于所述实际端口索引值对所述待索引DMRS端口配置表进行索引从中确定出所述一个或多个DMRS端口。
- 一种通信装置,其特征在于,包括:处理模块,用于在单个终端设备支持的PUSCH共享信道传输对应的最大上行数据传输层数N等于8层,基于DMRS类型参数,为第一上行数据传输层确定DMRS端口配置表,所述DMRS端口配置表中包括为所述第一上行数据传输层定义的的DMRS端口分配集合;收发模块,用于基于所述DMRS端口配置表,向所述终端设备指示为物理上行共享信道PUSCH传输所分配的一个或多个DMRS端口。
- 一种通信装置,其特征在于,包括:处理模块,用于在所述终端设备支持的PUSCH共享信道传输对应的最大上行数据传输层数N等于8层,基于DMRS类型参数,为第一上行数据传输层确定DMRS端口配置表,其中,所述DMRS端口配置表中包括为所述第一上行数据传输层定义的DMRS端口分配集合;收发模块,用于接收网络设备发送的指示信息,基于所述指示信息从所述DMRS端口配置表中获取为所述终端设备的PUSCH传输所分配的一个或多个DMRS端口。
- 一种通信装置,其特征在于,所述装置包括处理器和存储器,所述存储器中存储有计算机程序,所述处理器执行所述存储器中存储的计算机程序,以使所述装置执行如权利要求1至12中任一项所述的方法。
- 一种通信装置,其特征在于,所述装置包括处理器和存储器,所述存储器中存储有计算机程序,所述处理器执行所述存储器中存储的计算机程序,以使所述装置执行如权利要求13至21中的任一项所述的方法。
- 一种通信装置,其特征在于,包括:处理器和接口电路;所述接口电路,用于接收代码指令并传输至所述处理器;所述处理器,用于运行所述代码指令以执行如权利要求1至12中的任一项所述的方法。
- 一种通信装置,其特征在于,包括:处理器和接口电路;所述接口电路,用于接收代码指令并传输至所述处理器;所述处理器,用于运行所述代码指令以执行如权利要求13至21中的任一项所述的方法。
- 一种计算机可读存储介质,用于存储有指令,当所述指令被执行时,使如权利要求1至12中的任一项所述的方法被实现。
- 一种计算机可读存储介质,用于存储有指令,当所述指令被执行时,使如权利要求13至21中的任一项所述的方法被实现。
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| EP22932687.1A EP4503793A4 (en) | 2022-03-24 | 2022-03-24 | METHOD FOR INDICATING DMRS PORTING AND ASSOCIATED DEVICE |
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| CN108631998A (zh) * | 2017-03-24 | 2018-10-09 | 华为技术有限公司 | 一种参考信号映射方法及网络设备、终端设备 |
| CN109151970A (zh) * | 2017-06-16 | 2019-01-04 | 华为技术有限公司 | 一种发送功率的确定方法、处理芯片及通信设备 |
| CN111435875A (zh) * | 2019-01-11 | 2020-07-21 | 华为技术有限公司 | 发送和接收指示的方法和装置 |
| US20200396047A1 (en) * | 2017-11-13 | 2020-12-17 | Nec Corporation | Methods and apparatuses for demodulation reference signal configuration |
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| CN108631998A (zh) * | 2017-03-24 | 2018-10-09 | 华为技术有限公司 | 一种参考信号映射方法及网络设备、终端设备 |
| CN109151970A (zh) * | 2017-06-16 | 2019-01-04 | 华为技术有限公司 | 一种发送功率的确定方法、处理芯片及通信设备 |
| US20200396047A1 (en) * | 2017-11-13 | 2020-12-17 | Nec Corporation | Methods and apparatuses for demodulation reference signal configuration |
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