WO2023131316A1 - 探测参考信号的端口映射方法和终端 - Google Patents
探测参考信号的端口映射方法和终端 Download PDFInfo
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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
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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
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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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
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Definitions
- the present application belongs to the technical field of communication, and in particular relates to a port mapping method and a terminal of a sounding reference signal.
- the Sounding Reference Signal can be used for beam management, codebook-based transmission, non-codebook-based transmission, antenna switching (antenna switching) )send.
- the terminal can obtain multiple SRS resource sets through high-level signaling, and the configuration of each SRS resource set includes configurations such as its purpose and period characteristics.
- SRS resources can occupy the last 6 symbols, high-level signaling can configure SRS to occupy 1/2/4 symbols for transmission, and support the comb structure comb in the frequency domain -2, comb-4 structure.
- enhancements are made on the basis of Release-15/16.
- the starting position of the symbol of the SRS resource can be on any symbol in one time slot. And also supports the comb-8 structure.
- the number of ports that only support SRS is 1, 2, and 4.
- the number of SRS ports is 6 or 8. Since the orthogonality between different SRS ports needs to be ensured as much as possible, the existing SRS port mapping method cannot fully apply to the cases where the number of SRS ports is 6 or 8.
- Embodiments of the present application provide a method for port mapping of sounding reference signals and a terminal, which can solve the problem of port mapping for SRSs with 6 and 8 ports.
- a method for port mapping of a sounding reference signal includes:
- the terminal determines the cyclic shift CS corresponding to each port of the first SRS and/or the comb comb mapped to each port of the first SRS Location;
- the size of the comb structure of the first SRS is N, and N is 2, 4, 6 or 8.
- a port mapping device for sounding reference signals including:
- the first determining unit is configured to determine the cyclic shift CS corresponding to each port of the first SRS and/or the first SRS when the number of ports of the first Sounding Reference Signal SRS is 6 or 8. Comb comb position mapped by each port;
- the size of the comb structure of the first SRS is N, and N is 2, 4, 6 or 8.
- a terminal in a third aspect, includes a processor and a memory, the memory stores programs or instructions that can run on the processor, and when the programs or instructions are executed by the processor, the following The steps of the method in one aspect.
- a terminal including a processor and a communication interface, wherein the processor is configured to determine each of the first SRS when the number of ports of the first Sounding Reference Signal SRS is 6 or 8.
- a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method according to the first aspect are implemented.
- a sixth aspect provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the method as described in the first aspect .
- a computer program/program product is provided, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the method described in the first aspect Steps of a port mapping method for a sounding reference signal.
- a solution for port mapping is provided when the SRS is configured as a different comb, which can improve the orthogonality of SRS reference signal transmission on each port, Thereby, the performance of uplink transmission is improved.
- FIG. 1 is a block diagram of a wireless communication system to which an embodiment of the present application is applicable;
- FIG. 2 is a schematic flowchart of a port mapping method for sounding reference signals provided in an embodiment of the present application
- FIG. 3 is a schematic structural diagram of a port mapping device for sounding reference signals provided in an embodiment of the present application
- FIG. 4 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
- FIG. 5 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
- first, second and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It should be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the present application can be implemented in sequences other than those illustrated or described herein and that "first" and “second” distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects.
- “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the related objects are an "or” relationship.
- LTE Long Term Evolution
- LTE-Advanced LTE-Advanced
- LTE-A Long Term Evolution-Advanced
- CDMA Code Division Multiple Access
- TDMA Time Division Multiple Access
- FDMA Frequency Division Multiple Access
- OFDMA Orthogonal Frequency Division Multiple Access
- SC-FDMA Single-carrier Frequency Division Multiple Access
- system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used for the above-mentioned system and radio technology, and can also be used for other systems and radio technologies.
- NR New Radio
- the following description describes the New Radio (NR) system for illustrative purposes, and uses NR terminology in most of the following descriptions, but these techniques can also be applied to applications other than NR system applications, such as the 6th generation (6 th Generation, 6G) communication system.
- 6G 6th Generation
- Fig. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application is applicable.
- the wireless communication system includes a terminal 11 and a network side device 12 .
- the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, a super mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), augmented reality (augmented reality, AR) / virtual reality (virtual reality, VR) equipment, robot, wearable device (Wearable Device) , vehicle equipment (VUE), pedestrian terminal (PUE), smart home (home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.), game consoles, personal computers (personal computers, PCs), teller machines or self-service Wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (
- the network side device 12 may include an access network device or a core network device, where the access network device 12 may also be called a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function, or Wireless access network unit.
- RAN Radio Access Network
- RAN Radio Access Network
- Wireless access network unit Wireless access network unit
- the access network device 12 may include a base station, a WLAN access point, or a WiFi node, etc., and the base station may be called a Node B, an evolved Node B (eNB), an access point, a Base Transceiver Station (Base Transceiver Station, BTS), a radio Base station, radio transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Home Node B, Home Evolved Node B, Transmitting Receiving Point (TRP) or all As long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary. It should be noted that in this embodiment of the application, only the base station in the NR system is used as an example for introduction, and The specific type of the base station is not limited.
- the core network equipment may include but not limited to at least one of the following: core network node, core network function, mobility management entity (Mobility Management Entity, MME), access mobility management function (Access and Mobility Management Function, AMF), session management function (Session Management Function, SMF), user plane function (User Plane Function, UPF), policy control function (Policy Control Function, PCF), policy and charging rules function unit (Policy and Charging Rules Function, PCRF), edge application service Discovery function (Edge Application Server Discovery Function, EASDF), unified data management (Unified Data Management, UDM), unified data storage (Unified Data Repository, UDR), home subscriber server (Home Subscriber Server, HSS), centralized network configuration ( Centralized network configuration, CNC), network storage function (Network Repository Function, NRF), network exposure function (Network Exposure Function, NEF), local NEF (Local NEF, or L-NEF), binding support function (Binding Support Function, BSF), application function (Application Function, AF), etc. It should
- FIG. 2 is a schematic flowchart of a method for port mapping of sounding reference signals provided in an embodiment of the present application. As shown in FIG. 2 , the method includes:
- Step 200 when the number of ports of the first Sounding Reference Signal SRS is 6 or 8, the terminal determines the cyclic shift (cyclic shift, CS) corresponding to each port of the first SRS and/or the first SRS The comb comb position mapped by each port of ;
- the size of the comb structure of the first SRS is N, and N is 2, 4, 6 or 8.
- the comb position can be understood as the subcarrier position mapped by the SRS in the frequency domain.
- the solution of port mapping is provided when the SRS is configured as different combs, so that the orthogonality of SRS reference signal transmission on each port can be improved .
- the CS corresponding to each port of the first SRS is determined according to at least one of a cyclic shift offset value, a maximum cyclic shift offset value, a first parameter, a comb structure size, a port sequence number, and a port number ;and / or,
- the comb position mapped to each port of the first SRS is determined according to at least one of a comb offset value, a comb structure size, a cyclic shift offset value, a maximum cyclic shift offset value, a first parameter, and a port sequence number.
- the first parameter is a value agreed by default between the network side device and the terminal and/or a value indicated by the network side device and/or a value reported by the terminal.
- a method for determining the CS corresponding to each port of the SRS and the comb position mapped by each port is provided, which can improve the orthogonality of SRS reference signal transmission on each port, thereby improving the performance of uplink transmission.
- CS mapping method 1 is as follows:
- Different ports of the first SRS correspond to different CSs, that is, 8 ports adopt different CSs;
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- K TC is the size of the comb structure.
- the corresponding comb position mapping method 1 is as follows:
- Each port of the first SRS is mapped to the same comb position, and the comb position of each port mapping of the first SRS is calculated by the following formula:
- the corresponding comb position mapping method 2 is as follows:
- the 8 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions.
- port ⁇ 1001, 1003, 1005, 1007 ⁇ is a group, mapped to the same first comb position
- port ⁇ 1000, 1002, 1004, 1006 ⁇ is a group, mapped to the same second comb position.
- the first comb position and the second comb position are different.
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the corresponding comb position mapping method 3 is as follows:
- the comb position mapped by each port of the first SRS is related to the cyclic shift offset value.
- the 8 ports of the first SRS are divided into 2 groups, and the same group
- the comb position of the port mapping is the same, and the ports of different groups are mapped to different comb positions.
- Ports are grouped, and ports of different groups are mapped to different comb positions for a specific cyclic shift offset value.
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- CS mapping method 2 is used as follows:
- Ports are grouped, ports in different groups correspond to different CSs, and ports in the same group use the same CS.
- the 8 ports of the first SRS are divided into 4 groups, and ports in the same group use the same CS, and ports in different groups use different CSs.
- port ⁇ 1000,1001 ⁇ is a group, using the same CS
- port ⁇ 1002,1003 ⁇ is a group, using the same CS
- port ⁇ 1004,1005 ⁇ is a group, using the same CS
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the corresponding comb position mapping method 4 is as follows:
- Ports are grouped, and ports in different groups are mapped to different comb positions.
- the 8 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions.
- port ⁇ 1001, 1003, 1005, 1007 ⁇ is mapped to the same first comb position
- port ⁇ 1000, 1002, 1004, 1006 ⁇ is mapped to the same second comb position.
- the first comb position and the second comb position are different.
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the CS mapping method and the comb position mapping method can be used to improve the orthogonality of SRS reference signal transmission on each port, and then Improve uplink transmission performance.
- CS mapping method three is as follows:
- Ports are grouped, ports in different groups correspond to different CSs, and ports in the same group use the same CS.
- the 8 ports of the first SRS are divided into 4 groups, and ports in the same group use the same CS, and ports in different groups use different CSs, that is, port ⁇ 1000, 1001 ⁇ uses the same CS; port ⁇ 1002,1003 ⁇ uses the same CS; port ⁇ 1004,1005 ⁇ uses the same CS; port ⁇ 1006,1007 ⁇ uses the same CS.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the corresponding Comb position mapping method 5 is as follows:
- the 8 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions, that is, port ⁇ 1001, 1003, 1005, 1007 ⁇ is mapped to The same first comb position, port ⁇ 1000,1002,1004,1006 ⁇ is mapped to the same second comb position.
- the comb position and the second comb position are different.
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the corresponding Comb position mapping method six is as follows:
- the comb position mapped to each port of the first SRS is related to the cyclic shift offset value, the ports are grouped, and for a specific cyclic shift offset value, different groups of ports are mapped to different comb positions.
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- CS mapping method 4 is used as follows: ports are grouped, ports in different groups correspond to different CSs, and ports in the same group use the same CS .
- the 8 ports of the first SRS are divided into 2 groups, and ports in the same group use the same CS, and ports in different groups use different CSs.
- port ⁇ 1000,1001,1002,1003 ⁇ adopts the same CS
- port ⁇ 1004,1005,1006,1007 ⁇ adopts the same CS.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- x is the value agreed by default between the network side device and the terminal and/or the value indicated by the network side device and/or the value reported by the terminal
- x 4
- K TC is the value The size of the comb structure.
- the corresponding Comb position mapping method 7 is as follows:
- the 8 ports of the first SRS are divided into 4 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions, that is, port ⁇ 1000, 1004 ⁇ is mapped to the same first Comb position; port ⁇ 1001,1005 ⁇ is mapped in the same second comb position; port ⁇ 1002,1006 ⁇ is mapped in the same third comb position; port ⁇ 1003,1007 ⁇ is mapped in the same fourth comb position; where, The first comb position, the second comb position are different, the third comb position is different and the fourth comb position is different.
- Comb location mapped for port i is the comb offset value
- x is the first parameter
- x is the value agreed by default between the network side device and the terminal and/or the value indicated by the network side device and/or the value reported by the terminal
- x 4.
- a CS mapping method and a comb position mapping method are provided when the number of SRS ports is 8 and the size of the comb structure is 4, which can be used to improve the orthogonality of SRS reference signal transmission on each port, and further Improve uplink transmission performance.
- the CS mapping method five is as follows:
- the 8 ports of the first SRS are divided into 2 groups, and the ports in the same group use the same CS, and the ports in different groups use different CSs, that is, port ⁇ 1000, 1001, 1002, 1003 ⁇ use the same CS; port ⁇ 1004,1005,1006,1007 ⁇ uses the same CS.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the corresponding Comb position mapping method 8 is as follows:
- the 8 ports of the first SRS are divided into 4 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions, that is, port ⁇ 1000, 1004 ⁇ is mapped to the same first Comb position; port ⁇ 1001,1005 ⁇ is mapped in the same second comb position; port ⁇ 1002,1006 ⁇ is mapped in the same third comb position; port ⁇ 1003,1007 ⁇ is mapped in the same fourth comb position; where, The first comb position, the second comb position are different, the third comb position is different and the fourth comb position is different.
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure
- x is the first parameter
- CS mapping method six is used:
- the 8 ports of the first SRS all use the same CS, and the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the corresponding Comb position mapping method 9 is as follows:
- Different ports of the first SRS are mapped to different comb positions.
- mapping different ports of the first SRS to different comb positions can also be understood as grouping ports, each port forms a group, and port groups of different groups are mapped to different comb positions, that is, different ports Mapped to different comb positions.
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- a CS mapping method and a comb position mapping method are provided when the number of SRS ports is 8 and the size of the comb structure is 8, which can be used to improve the orthogonality of SRS reference signal transmission on each port, and further Improve uplink transmission performance.
- CS mapping method seven is used:
- Different ports of the first SRS use different CSs, and different ports correspond to different CSs rounded down.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the corresponding Comb position mapping method 10 is as follows:
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions.
- port ⁇ 1000, 1002, 1003, 1005 ⁇ is a group and mapped to the same first comb position
- port ⁇ 1001, 1004 ⁇ is a group and mapped to the same second comb position.
- the first comb position and the second comb position are different.
- the port of the second SRS is allowed to be mapped to the same comb position as the port ⁇ 1001, 1004 ⁇ of the first SRS.
- the second SRS is a 2-port SRS; or, the second SRS is an N-port SRS, N>2, and the 2 ports are mapped to the same The comb position.
- the cyclic shift offset value corresponding to the second SRS is equal to the maximum cyclic shift offset value corresponding to the first SRS after adding 3 to the cyclic shift offset value corresponding to the first SRS The value obtained by performing the remainder.
- the comb position mapped to each port of the first SRS is calculated by the following formula:
- the port of the second SRS is allowed to be mapped to the same comb position as the port ⁇ 1001, 1004 ⁇ of the first SRS, the second SRS is a 2-port SRS; or the second SRS is an N-port SRS, N>2, where two ports are mapped to the same comb position as ports ⁇ 1001, 1004 ⁇ of the first SRS.
- the cyclic shift offset value corresponding to the second SRS is equal to the cyclic shift offset value corresponding to the first SRS plus 3, and then the maximum cyclic shift offset value corresponding to the first SRS is calculated to obtain value.
- a group of ports ⁇ 1000, 1002, 1004 ⁇ is mapped to the same first comb position, and a group of ports ⁇ 1001, 1003, 1005 ⁇ is mapped to the same second comb position.
- the first comb position and the second comb position are different.
- the comb position of each port mapping of the first SRS is calculated by the following formula:
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- CS mapping method eight is adopted:
- Different ports of the first SRS use different CSs, and different ports correspond to different CSs rounded up.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the corresponding Comb position mapping method 11 is as follows:
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports in different groups are mapped to different comb positions, and the number of ports in each group can be different.
- port ⁇ 1000, 1001, 1003, 1004 ⁇ is a group and is mapped to the same first comb position
- port ⁇ 1002, 1005 ⁇ is a group and is mapped to the same second comb position.
- the first comb position and the second comb position are different.
- the ports of the third SRS are allowed to be mapped to the same comb position as the ports ⁇ 1002, 1005 ⁇ of the first SRS.
- the third SRS is a 2-port SRS, or the third SRS is an N-port SRS, N>2, and the 2 ports are mapped to the same Comb position.
- the cyclic shift offset value corresponding to the third SRS is equal to the cyclic shift offset value corresponding to the first SRS plus 1, and then the maximum cyclic shift offset value corresponding to the first SRS is calculated to obtain value.
- the comb position mapped to each port of the first SRS is calculated by the following formula:
- the ports of the third SRS are allowed to be mapped to the same comb position as the ports ⁇ 1002, 1005 ⁇ of the first SRS.
- the third SRS is a 2-port SRS, or the third SRS is an N-port SRS, N>2, and the 2 ports are mapped to the same Comb position.
- the cyclic shift offset value corresponding to the third SRS is equal to the cyclic shift offset value corresponding to the first SRS plus 1, and then the maximum cyclic shift offset value corresponding to the first SRS is calculated to obtain value.
- a group of ports ⁇ 1000, 1002, 1004 ⁇ is mapped to the same first comb position, and a group of ports ⁇ 1001, 1003, 1005 ⁇ is mapped to the same second comb position.
- the first comb position and the second comb position are different.
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- Different ports of the first SRS use different CSs, and some ports are rounded up, and some ports are rounded down.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the corresponding Comb position mapping method twelve is as follows:
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports in different groups are mapped to different comb positions, and the number of ports in each group can be different.
- port ⁇ 1001, 1002, 1004, 1005 ⁇ is a group and mapped to the same first comb position
- port ⁇ 1000, 1003 ⁇ is a group and mapped to the same second comb position.
- the first comb position and the second comb position are different.
- the port of the fourth SRS is allowed to be mapped to the same comb position as the port ⁇ 1000, 1003 ⁇ of the first SRS.
- the fourth SRS is a 2-port SRS, or the fourth SRS is an N-port SRS, N>2, and the 2 ports are mapped to the same Comb position.
- the cyclic shift offset value corresponding to the fourth SRS is equal to the cyclic shift offset value corresponding to the first SRS plus 2, and then the maximum cyclic shift offset value corresponding to the first SRS is calculated to obtain value.
- the comb position mapped to each port of the first SRS is calculated by the following formula:
- the port of the fourth SRS is allowed to be mapped to the same comb position as the port ⁇ 1000, 1003 ⁇ of the first SRS.
- the fourth SRS is a 2-port SRS, or the fourth SRS is an N-port SRS, N>2, and the 2 ports are mapped to the same Comb position.
- the cyclic shift offset value corresponding to the fourth SRS is equal to the cyclic shift offset value corresponding to the first SRS plus 2, and then the maximum cyclic shift offset value corresponding to the first SRS is calculated to obtain value.
- a group of ports ⁇ 1000, 1002, 1004 ⁇ is mapped to the same first comb position, and a group of ports ⁇ 1001, 1003, 1005 ⁇ is mapped to the same second comb position.
- the first comb position and the second comb position are different.
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- Different ports of the first SRS use different CSs, and some ports are rounded up, and some ports are rounded down.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the corresponding Comb position mapping method 13 is as follows:
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, the ports in different groups are mapped to different comb positions, and the number of ports in each group is the same.
- port ⁇ 1000, 1002, 1004 ⁇ is a group, mapped to the same first comb position
- port ⁇ 1001, 1003, 1005 ⁇ is a group, mapped to the same second comb position.
- the first comb position and the second comb position are different.
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- a CS mapping method and a comb position mapping method are provided when the number of SRS ports is 6 and the size of the comb structure is 2, which can be used to improve the orthogonality of SRS reference signal transmission on each port, and further Improve uplink transmission performance.
- Different ports of the first SRS use different CSs, that is, 6 ports use different CSs.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the corresponding Comb position mapping method fourteen is as follows:
- the comb position mapped by each port of the first SRS is related to the cyclic shift offset value.
- the 6 ports of the first SRS are divided into 2 groups, and the same group
- the comb position of the port mapping of the first SRS is the same, and the ports of different groups are mapped to different comb positions, and the comb position of each port mapping of the first SRS is calculated by the following formula:
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- a CS mapping method and a comb position mapping method are provided when the number of SRS ports is 6 and the comb structure size is 4, which can be used to improve the orthogonality of SRS reference signal transmission on each port, and further Improve uplink transmission performance.
- the CS mapping method adopted is as follows:
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group use the same CS, and the ports in different groups use different CSs, that is, port ⁇ 1000, 1001, 1002 ⁇ is a group, and the same CS is used CS; port ⁇ 1003, 1004, 1005 ⁇ is a group, using the same CS.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the corresponding Comb position mapping method 15 is as follows:
- the 6 ports of the first SRS are divided into 3 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions, that is, port ⁇ 1000, 1003 ⁇ is mapped to the same first Comb position, port ⁇ 1000,1004 ⁇ is mapped to the same second comb position, and port ⁇ 1002,1005 ⁇ is mapped to the same third comb position.
- the first comb position, the second comb position and the third comb position are different.
- n 1 is the value agreed by default between the network side device and the terminal, and/or the value indicated by the network side device, and/or the value reported by the terminal ;
- n 2 is the default agreed value between the network side device and the terminal, and/or the value indicated by the network side device, and/or the value reported by the terminal;
- n 3 is the default agreed value between the network side device and the terminal, and/or Or the value indicated by the network side device, and/or the value reported by the terminal.
- a CS mapping method and a comb position mapping method are provided when the number of SRS ports is 6 and the size of the comb structure is 6, which can be used to improve the orthogonality of SRS reference signal transmission on each port, and further Improve uplink transmission performance.
- CS mapping method 13 is adopted, as follows:
- Different ports of the first SRS use different CSs, that is, 6 ports use different CSs.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the comb position mapped by each port of the first SRS is related to the cyclic shift offset value.
- the 6 ports of the first SRS are divided into 2 groups, and the same group
- the comb positions of the port mapping are the same, the ports of different groups are mapped to different comb positions, and the comb positions of each port mapping of the first SRS are calculated by the following formula:
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the CS mapping method 14 is adopted, as follows:
- the 6 ports of the first SRS are divided into 3 groups, and the ports in the same group use the same CS, and the ports in different groups use different CSs, that is, port ⁇ 1000, 1001 ⁇ is a group and uses the same CS; port ⁇ 1002,1003 ⁇ is a group, using the same CS; port ⁇ 1004,1005 ⁇ is a group, using the same CS.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions, that is, port ⁇ 1001, 1003, 1005 ⁇ Mapped in the same first comb position, port ⁇ 1000,1002,1004 ⁇ is mapped in the same second comb position.
- the first comb position and the second comb position are different.
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- CS mapping method 15 is adopted:
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group use the same CS, and the ports in different groups use different CSs, that is, port ⁇ 1000, 1001, 1002 ⁇ is a group, and the same CS is used CS; port ⁇ 1003, 1004, 1005 ⁇ is a group, using the same CS.
- the CS of the sequence mapped to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the corresponding Comb position mapping method 18 is as follows:
- the 6 ports of the first SRS are divided into 3 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions, that is, port ⁇ 1000, 1003 ⁇ is mapped to the same first Comb position, port ⁇ 1000,1004 ⁇ is mapped to the same second comb position, and port ⁇ 1002,1005 ⁇ is mapped to the same third comb position.
- the first comb position, the second comb position and the third comb position are different.
- n 1 is the value agreed by default between the network side device and the terminal, and/or the value indicated by the network side device, and/or the value reported by the terminal ;
- n 2 is the default agreed value between the network side device and the terminal, and/or the value indicated by the network side device, and/or the value reported by the terminal;
- n 3 is the default agreed value between the network side device and the terminal, and/or Or the value indicated by the network side device, and/or the value reported by the terminal.
- a CS mapping method and a comb position mapping method are provided when the number of SRS ports is 6 and the size of the comb structure is 8, which can be used to improve the orthogonality of SRS reference signal transmission on each port, and then Improve uplink transmission performance.
- the port mapping method for sounding reference signals provided in the embodiment of the present application may be executed by an apparatus for port mapping for sounding reference signals.
- the port mapping device for the SRS provided by the embodiment of the present application is described by taking the port mapping method for the SRS performed by the port mapping device for the SRS as an example.
- FIG. 3 is a schematic structural diagram of a port mapping device for sounding reference signals provided in an embodiment of the present application. As shown in FIG. 3 , the device 300 includes:
- the first determining unit 310 is configured to determine the cyclic shift CS corresponding to each port of the first SRS and/or each port of the first SRS when the number of ports of the first Sounding Reference Signal SRS is 6 or 8. Comb comb position for port mapping;
- the size of the comb structure of the first SRS is N, and N is 2, 4, 6 or 8.
- the CS corresponding to each port of the first SRS is determined according to at least one of a cyclic shift offset value, a maximum cyclic shift offset value, a first parameter, a comb structure size, a port sequence number, and a port number ;and / or,
- the comb position mapped to each port of the first SRS is determined according to at least one of a comb offset value, a comb structure size, a cyclic shift offset value, a maximum cyclic shift offset value, a first parameter, and a port sequence number.
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- each port of the first SRS is mapped to the same comb position, and the comb position of each port mapping of the first SRS is calculated by the following formula:
- the 8 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the comb position mapped to each port of the first SRS is related to the cyclic shift offset value, and for a specific cyclic shift offset value, the 8 ports of the first SRS are divided into 2 groups, And the comb position of the port mapping in the same group is the same, and the ports of different groups are mapped to different comb positions.
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the 8 ports of the first SRS are divided into 4 groups, and the ports in the same group use the same CS, and the ports in different groups ports with different CS,
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the 8 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the 8 ports of the first SRS are divided into 4 groups, and the ports in the same group use the same CS, and the ports in different groups ports with different CS,
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the 8 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the comb position mapped to each port of the first SRS is related to the cyclic shift offset value
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the 8 ports of the first SRS are divided into 2 groups, and the ports in the same group use the same CS, and the ports in different groups ports with different CS,
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- x is the value agreed by default between the network side device and the terminal and/or the value indicated by the network side device and/or the value reported by the terminal
- x 4
- K TC is the value The size of the comb structure.
- the 8 ports of the first SRS are divided into 4 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- the 8 ports of the first SRS are divided into 2 groups, and the ports in the same group use the same CS, and the ports in different groups ports with different CS,
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the 8 ports of the first SRS are divided into 4 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the 8 ports of the first SRS all use the same CS
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the port of the second SRS is mapped to the same comb position as the port ⁇ 1001, 1004 ⁇ of the first SRS, and the cyclic shift offset value corresponding to the second SRS is equal to the cyclic shift corresponding to the first SRS A value obtained by performing a remainder on the maximum cyclic shift offset value corresponding to the first SRS after adding 3 to the offset value.
- the port of the second SRS is mapped to the same comb position as the port ⁇ 1001, 1004 ⁇ of the first SRS, and the cyclic shift offset value corresponding to the second SRS is equal to the cyclic shift corresponding to the first SRS A value obtained by performing a remainder on the maximum cyclic shift offset value corresponding to the first SRS after adding 3 to the offset value.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the port of the third SRS is mapped to the same comb position as the port ⁇ 1002, 1005 ⁇ of the first SRS, and the cyclic shift offset value corresponding to the third SRS is equal to the cyclic shift corresponding to the first SRS A value obtained by performing a remainder on the maximum cyclic shift offset value corresponding to the first SRS after adding 1 to the offset value.
- the port of the third SRS is mapped to the same comb position as the port ⁇ 1002, 1005 ⁇ of the first SRS, and the cyclic shift offset value corresponding to the third SRS is equal to the cyclic shift corresponding to the first SRS A value obtained by performing a remainder on the maximum cyclic shift offset value corresponding to the first SRS after adding 1 to the offset value.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the port of the fourth SRS is mapped to the same comb position as the port ⁇ 1000, 1003 ⁇ of the first SRS, and the cyclic shift offset value corresponding to the fourth SRS is equal to the cyclic shift corresponding to the first SRS A value obtained by performing a remainder on the maximum cyclic shift offset value corresponding to the first SRS after adding 2 to the offset value.
- the port of the fourth SRS is mapped to the same comb position as the port ⁇ 1000, 1003 ⁇ of the first SRS, and the cyclic shift offset value corresponding to the fourth SRS is equal to the cyclic shift corresponding to the first SRS A value obtained by performing a remainder on the maximum cyclic shift offset value corresponding to the first SRS after adding 2 to the offset value.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the comb position mapped to each port of the first SRS is related to the cyclic shift offset value, and for a specific cyclic shift offset value, the 6 ports of the first SRS are divided into 2 groups, And the comb position of the port mapping in the same group is the same, and the ports of different groups are mapped to different comb positions, and the comb position of each port mapping of the first SRS is calculated by the following formula:
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group use the same CS, and the ports in different groups ports with different CS,
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the 6 ports of the first SRS are divided into 3 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- n 1 is the value agreed by default between the network side device and the terminal, and/or the value indicated by the network side device, and/or the value reported by the terminal ;
- n 2 is the default agreed value between the network side device and the terminal, and/or the value indicated by the network side device, and/or the value reported by the terminal;
- n 3 is the default agreed value between the network side device and the terminal, and/or Or the value indicated by the network side device, and/or the value reported by the terminal.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the comb position mapped to each port of the first SRS is related to the cyclic shift offset value, and for a specific cyclic shift offset value, the 6 ports of the first SRS are divided into 2 groups, And the comb position of the port mapping in the same group is the same, and the ports of different groups are mapped to different comb positions, and the comb position of each port mapping of the first SRS is calculated by the following formula:
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the 6 ports of the first SRS are divided into 3 groups, and the ports in the same group use the same CS, and the ports in different groups ports with different CS,
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group use the same CS, and the ports in different groups ports with different CS,
- the CS of the sequence mapped to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the 6 ports of the first SRS are divided into 3 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- n 1 is the value agreed by default between the network side device and the terminal, and/or the value indicated by the network side device, and/or the value reported by the terminal ;
- n 2 is the default agreed value between the network side device and the terminal, and/or the value indicated by the network side device, and/or the value reported by the terminal;
- n 3 is the default agreed value between the network side device and the terminal, and/or Or the value indicated by the network side device, and/or the value reported by the terminal.
- a solution for port mapping is provided when the SRS is configured as a different comb, which can improve the orthogonality of SRS reference signal transmission on each port, Thereby, the performance of uplink transmission is improved.
- the port mapping apparatus for the sounding reference signal in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or a component in the electronic device, such as an integrated circuit or a chip.
- the electronic device may be a terminal, or other devices other than the terminal.
- the terminal may include, but not limited to, the types of terminal 11 listed above, and other devices may be servers, Network Attached Storage (NAS), etc., which are not specifically limited in this embodiment of the present application.
- NAS Network Attached Storage
- the port mapping device for the sounding reference signal provided by the embodiment of the present application can realize each process realized by the method embodiment in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not repeated here.
- this embodiment of the present application also provides a communication device 400, including a processor 401 and a memory 402, and the memory 402 stores programs or instructions that can run on the processor 401, such as , when the communication device 400 is a terminal, when the program or instruction is executed by the processor 401, each step of the above embodiment of the method for port mapping of the sounding reference signal is implemented, and the same technical effect can be achieved.
- the communication device 400 is a network-side device, when the program or instruction is executed by the processor 401, the steps in the above embodiment of the port mapping method for sounding reference signals can be achieved, and the same technical effect can be achieved. To avoid repetition, it is not repeated here repeat.
- the embodiment of the present application also provides a terminal, including a processor and a communication interface, where the processor is configured to determine that each port of the first SRS corresponds to The cyclic shift of CS and/or the comb comb position mapped by each port of the first SRS, wherein the size of the comb structure of the first SRS is N, and N is 2, 4, 6 or 8.
- This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
- FIG. 5 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
- the terminal 500 includes, but is not limited to: a radio frequency unit 501, a network module 502, an audio output unit 503, an input unit 504, a sensor 505, a display unit 506, a user input unit 507, an interface unit 508, a memory 509, and a processor 510. At least some parts.
- the terminal 500 can also include a power supply (such as a battery) for supplying power to various components, and the power supply can be logically connected to the processor 510 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
- a power supply such as a battery
- the terminal structure shown in FIG. 5 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine certain components, or arrange different components, which will not be repeated here.
- the input unit 504 may include a graphics processing unit (Graphics Processing Unit, GPU) 5041 and a microphone 5042, and the graphics processor 5041 is used in a video capture mode or an image capture mode by an image capture device (such as the image data of the still picture or video obtained by the camera) for processing.
- the display unit 506 may include a display panel 5061, and the display panel 5061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
- the user input unit 507 includes at least one of a touch panel 5071 and other input devices 5072 .
- the touch panel 5071 is also called a touch screen.
- the touch panel 5071 may include two parts, a touch detection device and a touch controller.
- Other input devices 5072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.
- the radio frequency unit 501 may transmit the downlink data from the network side device to the processor 510 for processing after receiving it; in addition, the radio frequency unit 501 may send uplink data to the network side device.
- the radio frequency unit x01 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
- the memory 509 can be used to store software programs or instructions as well as various data.
- the memory 509 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playing function, image playback function, etc.), etc.
- memory 509 may include volatile memory or nonvolatile memory, or, memory 509 may include both volatile and nonvolatile memory.
- the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
- ROM Read-Only Memory
- PROM programmable read-only memory
- Erasable PROM Erasable PROM
- EPROM erasable programmable read-only memory
- Electrical EPROM Electrical EPROM
- EEPROM electronically programmable Erase Programmable Read-Only Memory
- Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection dynamic random access memory (Synch link DRAM , SLDRAM) and Direct Memory Bus Random Access Memory (Direct Rambus RAM, DRRAM).
- RAM Random Access Memory
- SRAM static random access memory
- DRAM dynamic random access memory
- DRAM synchronous dynamic random access memory
- SDRAM double data rate synchronous dynamic random access memory
- Double Data Rate SDRAM Double Data Rate SDRAM
- DDRSDRAM double data rate synchronous dynamic random access memory
- Enhanced SDRAM, ESDRAM enhanced synchronous dynamic random access memory
- Synch link DRAM , SLDRAM
- Direct Memory Bus Random Access Memory Direct Rambus
- the processor 510 may include one or more processing units; optionally, the processor 510 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to the operating system, user interface, and application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 510 .
- the processor 510 is configured to, when the number of ports of the first Sounding Reference Signal SRS is 6 or 8, the terminal determines the cyclic shift CS corresponding to each port of the first SRS and/or the first SRS Comb comb position mapped by each port; wherein, the size of the comb structure of the first SRS is N, and N is 2, 4, 6 or 8.
- the CS corresponding to each port of the first SRS is determined according to at least one of a cyclic shift offset value, a maximum cyclic shift offset value, a first parameter, a comb structure size, a port sequence number, and a port number ;and / or,
- the comb position mapped to each port of the first SRS is determined according to at least one of a comb offset value, a comb structure size, a cyclic shift offset value, a maximum cyclic shift offset value, a first parameter, and a port sequence number.
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- each port of the first SRS is mapped to the same comb position, and the comb position of each port mapping of the first SRS is calculated by the following formula:
- the 8 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the comb position mapped to each port of the first SRS is related to the cyclic shift offset value, and for a specific cyclic shift offset value, the 8 ports of the first SRS are divided into 2 groups, And the comb position of the port mapping in the same group is the same, and the ports of different groups are mapped to different comb positions.
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the 8 ports of the first SRS are divided into 4 groups, and the ports in the same group use the same CS, and the ports in different groups ports with different CS,
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the 8 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the 8 ports of the first SRS are divided into 4 groups, and the ports in the same group use the same CS, and the ports in different groups ports with different CS,
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the 8 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the comb position mapped to each port of the first SRS is related to the cyclic shift offset value
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the 8 ports of the first SRS are divided into 2 groups, and the ports in the same group use the same CS, and the ports in different groups ports with different CS,
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- x is the value agreed by default between the network side device and the terminal and/or the value indicated by the network side device and/or the value reported by the terminal
- x 4
- K TC is the value The size of the comb structure.
- the 8 ports of the first SRS are divided into 4 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- the 8 ports of the first SRS are divided into 2 groups, and the ports in the same group use the same CS, and the ports in different groups ports with different CS,
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the 8 ports of the first SRS are divided into 4 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the 8 ports of the first SRS all use the same CS
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the port of the second SRS is mapped to the same comb position as the port ⁇ 1001, 1004 ⁇ of the first SRS, and the cyclic shift offset value corresponding to the second SRS is equal to the cyclic shift corresponding to the first SRS A value obtained by performing a remainder on the maximum cyclic shift offset value corresponding to the first SRS after adding 3 to the offset value.
- the port of the second SRS is mapped to the same comb position as the port ⁇ 1001, 1004 ⁇ of the first SRS, and the cyclic shift offset value corresponding to the second SRS is equal to the cyclic shift corresponding to the first SRS A value obtained by performing a remainder on the maximum cyclic shift offset value corresponding to the first SRS after adding 3 to the offset value.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the port of the third SRS is mapped to the same comb position as the port ⁇ 1002, 1005 ⁇ of the first SRS, and the cyclic shift offset value corresponding to the third SRS is equal to the cyclic shift corresponding to the first SRS A value obtained by performing a remainder on the maximum cyclic shift offset value corresponding to the first SRS after adding 1 to the offset value.
- the port of the third SRS is mapped to the same comb position as the port ⁇ 1002, 1005 ⁇ of the first SRS, and the cyclic shift offset value corresponding to the third SRS is equal to the cyclic shift corresponding to the first SRS A value obtained by performing a remainder on the maximum cyclic shift offset value corresponding to the first SRS after adding 1 to the offset value.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the port of the fourth SRS is mapped to the same comb position as the port ⁇ 1000, 1003 ⁇ of the first SRS, and the cyclic shift offset value corresponding to the fourth SRS is equal to the cyclic shift corresponding to the first SRS A value obtained by performing a remainder on the maximum cyclic shift offset value corresponding to the first SRS after adding 2 to the offset value.
- the port of the fourth SRS is mapped to the same comb position as the port ⁇ 1000, 1003 ⁇ of the first SRS, and the cyclic shift offset value corresponding to the fourth SRS is equal to the cyclic shift corresponding to the first SRS A value obtained by performing a remainder on the maximum cyclic shift offset value corresponding to the first SRS after adding 2 to the offset value.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the comb position mapped to each port of the first SRS is related to the cyclic shift offset value, and for a specific cyclic shift offset value, the 6 ports of the first SRS are divided into 2 groups, And the comb position of the port mapping in the same group is the same, and the ports of different groups are mapped to different comb positions, and the comb position of each port mapping of the first SRS is calculated by the following formula:
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group use the same CS, and the ports in different groups ports with different CS,
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the 6 ports of the first SRS are divided into 3 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- n 1 is the value agreed by default between the network side device and the terminal, and/or the value indicated by the network side device, and/or the value reported by the terminal ;
- n 2 is the default agreed value between the network side device and the terminal, and/or the value indicated by the network side device, and/or the value reported by the terminal;
- n 3 is the default agreed value between the network side device and the terminal, and/or Or the value indicated by the network side device, and/or the value reported by the terminal.
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS corresponding to port i is the CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number, is the number of ports.
- the comb position mapped to each port of the first SRS is related to the cyclic shift offset value, and for a specific cyclic shift offset value, the 6 ports of the first SRS are divided into 2 groups, And the comb position of the port mapping in the same group is the same, and the ports of different groups are mapped to different comb positions, and the comb position of each port mapping of the first SRS is calculated by the following formula:
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the 6 ports of the first SRS are divided into 3 groups, and the ports in the same group use the same CS, and the ports in different groups ports with different CS,
- the CS corresponding to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- Comb location mapped for port i is the comb offset value
- K TC is the size of the comb structure.
- the 6 ports of the first SRS are divided into 2 groups, and the ports in the same group use the same CS, and the ports in different groups ports with different CS,
- the CS of the sequence mapped to each port of the first SRS is calculated by the following formula:
- CS CS corresponding to port i
- cyclic shift offset value is the maximum cyclic shift offset value
- p i is the port serial number
- x is the first parameter
- the 6 ports of the first SRS are divided into 3 groups, and the ports in the same group are mapped to the same comb position, and the ports of different groups are mapped to different comb positions,
- n 1 is the value agreed by default between the network side device and the terminal, and/or the value indicated by the network side device, and/or the value reported by the terminal ;
- n 2 is the default agreed value between the network side device and the terminal, and/or the value indicated by the network side device, and/or the value reported by the terminal;
- n 3 is the default agreed value between the network side device and the terminal, and/or Or the value indicated by the network side device, and/or the value reported by the terminal.
- a solution for port mapping is provided when the SRS is configured as a different comb, which can improve the orthogonality of SRS reference signal transmission on each port, Thereby, the performance of uplink transmission is improved.
- the embodiment of the present application also provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by the processor, each process in the above embodiment of the port mapping method for the sounding reference signal is implemented, And can achieve the same technical effect, in order to avoid repetition, no more details here.
- the processor is the processor in the terminal described in the foregoing embodiments.
- the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory ROM, a random access memory RAM, a magnetic disk or an optical disk, and the like.
- the embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to realize the above-mentioned port mapping of the detection reference signal
- the chip includes a processor and a communication interface
- the communication interface is coupled to the processor
- the processor is used to run programs or instructions to realize the above-mentioned port mapping of the detection reference signal
- the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
- An embodiment of the present application further provides a computer program/program product, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to realize the above-mentioned detection reference signal port
- a computer program/program product is stored in a storage medium
- the computer program/program product is executed by at least one processor to realize the above-mentioned detection reference signal port
- the embodiment of the present application also provides a communication system, including: a terminal and a network side device, the terminal can be configured to perform the steps of the port mapping method for sounding reference signals as described above.
- the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
- the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
- the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation.
- the technical solution of the present application can be embodied in the form of computer software products, which are stored in a storage medium (such as ROM/RAM, magnetic disk, etc.) , CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present application.
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Abstract
Description
1000 | 1001 | 1002 | 1003 | 1004 | 1005 | 1006 | 1007 | |
初始CS 0 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
初始CS 1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 0 |
初始CS 2 | 2 | 3 | 4 | 5 | 6 | 7 | 0 | 1 |
初始CS 3 | 3 | 4 | 5 | 6 | 7 | 0 | 1 | 2 |
初始CS 4 | 4 | 5 | 6 | 7 | 0 | 1 | 2 | 3 |
初始CS 5 | 5 | 6 | 7 | 0 | 1 | 2 | 3 | 4 |
初始CS 6 | 6 | 7 | 0 | 1 | 2 | 3 | 4 | 5 |
初始CS 7 | 7 | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
1000 | 1001 | 1002 | 1003 | 1004 | 1005 | 1006 | 1007 | |
初始CS 0 | 0 | 0 | 2 | 2 | 4 | 4 | 6 | 6 |
初始CS 1 | 1 | 1 | 3 | 3 | 5 | 5 | 7 | 7 |
初始CS 2 | 2 | 2 | 4 | 4 | 6 | 6 | 0 | 0 |
初始CS 3 | 3 | 3 | 5 | 5 | 7 | 7 | 1 | 1 |
初始CS 4 | 4 | 4 | 6 | 6 | 0 | 0 | 2 | 2 |
初始CS 5 | 5 | 5 | 7 | 7 | 1 | 1 | 3 | 3 |
初始CS 6 | 6 | 6 | 0 | 0 | 2 | 2 | 4 | 4 |
初始CS 7 | 7 | 7 | 1 | 1 | 3 | 3 | 5 | 5 |
1000 | 1001 | 1002 | 1003 | 1004 | 1005 | 1006 | 1007 | |
初始CS 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 3 |
初始CS 1 | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 4 |
初始CS 2 | 2 | 2 | 2 | 2 | 5 | 5 | 5 | 5 |
初始CS 3 | 3 | 3 | 3 | 3 | 0 | 0 | 0 | 0 |
初始CS 4 | 4 | 4 | 4 | 4 | 1 | 1 | 1 | 1 |
初始CS 5 | 5 | 5 | 5 | 5 | 2 | 2 | 2 | 2 |
1000 | 1001 | 1002 | 1003 | 1004 | 1005 | 1006 | 1007 | |
初始CS 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
初始CS 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
初始CS 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
初始CS 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
初始CS 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
初始CS 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
1000 | 1001 | 1002 | 1003 | 1004 | 1005 | |
初始CS 0 | 0 | 1 | 2 | 4 | 5 | 6 |
初始CS 1 | 1 | 2 | 3 | 5 | 6 | 7 |
初始CS 2 | 2 | 3 | 4 | 6 | 7 | 0 |
初始CS 3 | 3 | 4 | 5 | 7 | 0 | 1 |
初始CS 4 | 4 | 5 | 6 | 0 | 1 | 2 |
初始CS 5 | 5 | 6 | 7 | 1 | 2 | 3 |
初始CS 6 | 6 | 7 | 0 | 2 | 3 | 4 |
初始CS 7 | 7 | 0 | 1 | 3 | 4 | 5 |
1000 | 1001 | 1002 | 1003 | 1004 | 1005 | |
初始CS 0 | 0 | 2 | 3 | 4 | 6 | 7 |
初始CS 1 | 1 | 3 | 4 | 5 | 7 | 0 |
初始CS 2 | 2 | 4 | 5 | 6 | 0 | 1 |
初始CS 3 | 3 | 5 | 6 | 7 | 1 | 2 |
初始CS 4 | 4 | 6 | 7 | 0 | 2 | 3 |
初始CS 5 | 5 | 7 | 0 | 1 | 3 | 4 |
初始CS 6 | 6 | 0 | 1 | 2 | 4 | 5 |
初始CS 7 | 7 | 1 | 2 | 3 | 5 | 6 |
1000 | 1001 | 1002 | 1003 | 1004 | 1005 | |
初始CS 0 | 0 | 1 | 3 | 4 | 5 | 7 |
初始CS 1 | 1 | 2 | 4 | 5 | 6 | 0 |
初始CS 2 | 2 | 3 | 5 | 6 | 7 | 1 |
初始CS 3 | 3 | 4 | 6 | 7 | 0 | 2 |
初始CS 4 | 4 | 5 | 7 | 0 | 1 | 3 |
初始CS 5 | 5 | 6 | 0 | 1 | 2 | 4 |
初始CS 6 | 6 | 7 | 1 | 2 | 3 | 5 |
初始CS 7 | 7 | 0 | 2 | 3 | 4 | 6 |
1000 | 1001 | 1002 | 1003 | 1004 | 1005 | |
初始CS 0 | 0 | 1 | 3 | 4 | 6 | 7 |
初始CS 1 | 1 | 2 | 4 | 5 | 7 | 0 |
初始CS 2 | 2 | 3 | 5 | 6 | 0 | 1 |
初始CS 3 | 3 | 4 | 6 | 7 | 1 | 2 |
初始CS 4 | 4 | 5 | 7 | 0 | 2 | 3 |
初始CS 5 | 5 | 6 | 0 | 1 | 3 | 4 |
初始CS 6 | 6 | 7 | 1 | 2 | 4 | 5 |
初始CS 7 | 7 | 0 | 2 | 3 | 5 | 6 |
1000 | 1001 | 1002 | 1003 | 1004 | 1005 |
初始CS 0 | 0 | 2 | 4 | 6 | 8 | 10 |
初始CS 1 | 1 | 3 | 5 | 7 | 9 | 11 |
初始CS 2 | 2 | 4 | 6 | 8 | 10 | 0 |
初始CS 3 | 3 | 5 | 7 | 9 | 11 | 1 |
初始CS 4 | 4 | 6 | 8 | 10 | 0 | 2 |
初始CS 5 | 5 | 7 | 9 | 11 | 1 | 3 |
初始CS 6 | 6 | 8 | 10 | 0 | 2 | 4 |
初始CS 7 | 7 | 9 | 11 | 1 | 3 | 5 |
初始CS 8 | 8 | 10 | 0 | 2 | 4 | 6 |
初始CS 9 | 9 | 11 | 1 | 3 | 5 | 7 |
初始CS 10 | 10 | 0 | 2 | 4 | 6 | 8 |
初始CS 11 | 11 | 1 | 3 | 5 | 7 | 9 |
1000 | 1001 | 1002 | 1003 | 1004 | 1005 | |
初始CS 0 | 0 | 0 | 0 | 4 | 4 | 4 |
初始CS 1 | 1 | 1 | 1 | 5 | 5 | 5 |
初始CS 2 | 2 | 2 | 2 | 6 | 6 | 6 |
初始CS 3 | 3 | 3 | 3 | 7 | 7 | 7 |
初始CS 4 | 4 | 4 | 4 | 0 | 0 | 0 |
初始CS 5 | 5 | 5 | 5 | 1 | 1 | 1 |
初始CS 6 | 6 | 6 | 6 | 2 | 2 | 2 |
初始CS 7 | 7 | 7 | 7 | 3 | 3 | 3 |
1000 | 1001 | 1002 | 1003 | 1004 | 1005 | |
初始CS 0 | 0 | 1 | 2 | 3 | 4 | 5 |
初始CS 1 | 1 | 2 | 3 | 4 | 5 | 0 |
初始CS 2 | 2 | 3 | 4 | 5 | 0 | 1 |
初始CS 3 | 3 | 4 | 5 | 0 | 1 | 2 |
初始CS 4 | 4 | 5 | 0 | 1 | 2 | 3 |
初始CS 5 | 5 | 0 | 1 | 2 | 3 | 4 |
1000 | 1001 | 1002 | 1003 | 1004 | 1005 | |
初始CS 0 | 0 | 0 | 2 | 2 | 4 | 4 |
初始CS 1 | 1 | 1 | 3 | 3 | 5 | 5 |
初始CS 2 | 2 | 2 | 4 | 4 | 0 | 0 |
初始CS 3 | 3 | 3 | 5 | 5 | 1 | 1 |
初始CS 4 | 4 | 4 | 0 | 0 | 2 | 2 |
初始CS 5 | 5 | 5 | 1 | 1 | 3 | 3 |
1000 | 1001 | 1002 | 1003 | 1004 | 1005 | |
初始CS 0 | 0 | 0 | 0 | 3 | 3 | 3 |
初始CS 1 | 1 | 1 | 1 | 4 | 4 | 4 |
初始CS 2 | 2 | 2 | 2 | 5 | 5 | 5 |
初始CS 3 | 3 | 3 | 3 | 0 | 0 | 0 |
初始CS 4 | 4 | 4 | 4 | 1 | 1 | 1 |
初始CS 5 | 5 | 5 | 5 | 2 | 2 | 2 |
Claims (44)
- 一种探测参考信号的端口映射方法,包括:在第一探测参考信号SRS的端口数为6或8的情况下,终端确定所述第一SRS的各端口对应的循环移位CS和/或所述第一SRS的各端口映射的梳状comb位置;其中,所述第一SRS的comb结构大小为N,N为2,4,6或8。
- 根据权利要求1所述的探测参考信号的端口映射方法,其中,所述第一SRS的各端口对应的CS根据循环移位偏移值、最大循环移位偏移值、第一参数、comb结构大小、端口序号和端口数中的至少一项确定;和/或,所述第一SRS的各端口映射的comb位置根据comb偏移值、comb结构大小、循环移位偏移值、最大循环移位偏移值、第一参数和端口序号中的至少一项确定。
- 根据权利要求34所述的探测参考信号的端口映射方法,其中,所述第一SRS的6个端口划分为3组,且同一组内的端口映射的comb位置相同,不同组的端口映射到不同的comb位置,所述第一SRS的各端口映射的comb位置,通过如下公式计算:或者,
- 根据权利要求40所述的探测参考信号的端口映射方法,其中,所述第一SRS的6个端口划分为3组,且同一组内的端口映射的comb位置相同,不同组的端口映射到不同的comb位置,所述第一SRS的各端口映射的comb位置,通过如下公式计算:或者,
- 一种探测参考信号的端口映射装置,包括:第一确定单元,用于在第一探测参考信号SRS的端口数为6或8的情况下,终端确定所述第一SRS的各端口对应的循环移位CS和/或所述第一SRS的各端口映射的梳状comb位置;其中,所述第一SRS的comb结构大小为N,N为2,4,6或8。
- 一种终端,包括处理器和存储器,所述存储器存储可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求1至41任一项所述的探测参考信号的端口映射方法的步骤。
- 一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如权利要求1至41任一项所述的探测参考信号的端口映射方法。
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CN110168954A (zh) * | 2017-01-09 | 2019-08-23 | 高通股份有限公司 | 在新无线电中发送经复用的探测参考信号端口 |
CN111835488A (zh) * | 2019-08-15 | 2020-10-27 | 维沃移动通信有限公司 | 一种确定天线端口映射方法和终端 |
US20210112498A1 (en) * | 2019-10-09 | 2021-04-15 | Qualcomm Incorporated | Srs antenna switching for multiple receive antennas |
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CN110168954A (zh) * | 2017-01-09 | 2019-08-23 | 高通股份有限公司 | 在新无线电中发送经复用的探测参考信号端口 |
CN109391395A (zh) * | 2017-08-09 | 2019-02-26 | 索尼公司 | 无线通信系统中的装置和方法、计算机可读存储介质 |
CN111835488A (zh) * | 2019-08-15 | 2020-10-27 | 维沃移动通信有限公司 | 一种确定天线端口映射方法和终端 |
US20210112498A1 (en) * | 2019-10-09 | 2021-04-15 | Qualcomm Incorporated | Srs antenna switching for multiple receive antennas |
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