WO2022082499A1 - 一种上行控制信息的传输方法及装置 - Google Patents

一种上行控制信息的传输方法及装置 Download PDF

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Publication number
WO2022082499A1
WO2022082499A1 PCT/CN2020/122454 CN2020122454W WO2022082499A1 WO 2022082499 A1 WO2022082499 A1 WO 2022082499A1 CN 2020122454 W CN2020122454 W CN 2020122454W WO 2022082499 A1 WO2022082499 A1 WO 2022082499A1
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symbol
uci
channel
dmrs
mapped
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PCT/CN2020/122454
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English (en)
French (fr)
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李军
焦淑蓉
花梦
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华为技术有限公司
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Priority to PCT/CN2020/122454 priority Critical patent/WO2022082499A1/zh
Publication of WO2022082499A1 publication Critical patent/WO2022082499A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a method and device for transmitting uplink control information.
  • the 5th generation (5G) mobile communication system Compared with the previous generations of mobile communication systems, the 5th generation (5G) mobile communication system has put forward higher requirements in terms of transmission rate, delay and power consumption, and supports a variety of service types, different deployment scenarios and higher requirements. wide spectral range.
  • Enhanced mobile broadband (eMBB), massive machine type communication (mMTC), and ultra-reliable and low-latency communications (URLLC) are the three typical applications of 5G communication systems. Scenes.
  • the priority of the URLLC service is higher than the priority of the eMBB service, and the priority of the channel carrying the URLLC service data is also higher than the priority of the channel carrying the eMBB service data.
  • the low-priority channel will be discarded to ensure the performance of the high-priority channel.
  • a high-priority physical uplink control channel physical uplink control channel, PUCCH
  • PUCCH physical uplink control channel
  • the embodiments of the present application disclose a UCI transmission method and device, which can multiplex and transmit high-priority UCI and low-priority UCI, and improve the transmission reliability of high-priority UCI.
  • a first aspect of the embodiments of the present application discloses a UCI transmission method, which is applicable to a terminal device or a chip in the terminal device.
  • the terminal device determines to send the first UCI and the second UCI to the network device on the third channel, where the first channel is used to carry the first UCI and the second UCI.
  • the first channel is used to carry the first UCI and the second UCI.
  • a UCI, the second channel is used to carry the second UCI, and the priority of the first UCI is higher than the priority of the second UCI.
  • the terminal device maps the first UCI to the resource element RE of the first symbol in set 1 first, and then maps it to the RE of the second symbol in the set 1;
  • the set 1 is one set of N sets Or composed of multiple sets in the N sets, each UCI symbol in the i-th set in the N sets has the same time domain interval as the DMRS symbol closest to the UCI symbol, and all The time-domain interval between the UCI symbol in the i+1th set of the N sets and the DMRS symbol closest to the UCI symbol is greater than the time interval between the UCI symbol in the ith set and the DMRS symbol closest to the UCI symbol
  • the time domain interval of symbols is large, the N is a positive integer, the i is a positive integer less than or equal to N, the UCI symbol is the symbol used to carry UCI in the third channel, and the DMRS symbol is the The symbol used to carry DMRS in the third channel, the N is a positive integer; the first symbol is the UCI between the first DMRS symbol and the last
  • the demodulation performance on the symbol carrying the high-priority UCI can be improved, thereby improving the transmission reliability of the high-priority UCI.
  • the first symbol is a symbol in set 2
  • the second symbol is a symbol in set 3
  • the set 2 is a symbol in set 1 on the third channel
  • the UCI symbols after the first DMRS symbol, the set 3 is the symbols in the set 1 other than the set 2.
  • the set 1 is the first set of the N sets, or the set 1 is the first set and the second set of the N sets.
  • the first UCI is first mapped to the RE of the first symbol in the set 1 before the end position, and then mapped to the RE in the set 1 before the end position On the RE of the second symbol of , the end position is the end position of the first channel.
  • the third channel includes at least one DMRS symbol before the end position.
  • the third channel before the end position, includes at least one DMRS symbol, so that the network device can demodulate and decode the high-priority UCI in time, and reduce the delay of the high-priority UCI.
  • first information from a network device is received, where the first information indicates that the first UCI is first mapped to the RE of the first symbol, and then mapped to the second UCI. on the RE of the symbol.
  • the second UCI is mapped to REs in the third channel other than those carrying the first UCI.
  • a second aspect of the embodiments of the present application discloses a UCI transmission method, which is applicable to a network device or a chip in the network device.
  • the network device Under the condition that the first channel and the second channel overlap in the time domain, the network device receives the first uplink control information UCI and the second UCI from the terminal device on the third channel, where the first channel is used to carry the The first UCI and the second channel are used to carry the second UCI, and the priority of the first UCI is higher than the priority of the second UCI.
  • the first UCI is first mapped on the resource element RE of the first symbol in set 1, and then mapped on the RE of the second symbol in set 1;
  • the set 1 is one set in N sets or is composed of It is composed of multiple sets in the N sets, and each UCI symbol in the i-th set in the N sets has the same time domain interval as the DMRS symbol closest to the UCI symbol, and the N
  • the time-domain interval between the UCI symbol in the i+1 th set and the DMRS symbol closest to the UCI symbol is greater than the time interval between the UCI symbol in the ith set and the DMRS symbol closest to the UCI symbol
  • the time domain interval is large, the N is a positive integer, the i is a positive integer less than or equal to N, the UCI symbol is a symbol used to carry UCI in the third channel, and the DMRS symbol is the third The symbol used to carry the DMRS in the channel; the first symbol is the UCI symbol in the set 1 between the first DMRS symbol and the last
  • the first symbol is a symbol in set 2
  • the second symbol is a symbol in set 3
  • the set 2 is a symbol in set 1 on the third channel
  • the UCI symbols after the first DMRS symbol, the set 3 is the symbols in the set 1 other than the set 2.
  • the set 1 is the first set of the N sets, or the set 1 is the first set and the second set of the N sets.
  • the first UCI is mapped on the RE of the first symbol in the set 1 before the end position, and is mapped on the RE in the set 1 before the end position On the RE of the second symbol, the end position is the end position of the first channel.
  • the third channel includes at least one DMRS symbol before the end position.
  • first information is sent to the terminal device, where the first information instructs the terminal device to map the first UCI to the RE of the first symbol first, and then map it to the RE of the first symbol. on the RE of the second symbol.
  • the second UCI is mapped on REs in the third channel other than those carrying the first UCI.
  • a third aspect of the embodiments of the present application discloses a UCI transmission apparatus.
  • the apparatus may be a terminal device or a chip in the terminal device, and the apparatus includes a processing module and a transceiver module.
  • a processing module configured to determine to send the first uplink control information UCI and the second UCI on the third channel under the condition that the first channel and the second channel overlap in the time domain, wherein the first channel is used to carry the The first UCI and the second channel are used to carry the second UCI, and the priority of the first UCI is higher than the priority of the second UCI.
  • the processing module is further configured to first map the first UCI to the resource element RE of the first symbol in set 1, and then map it to the RE of the second symbol in set 1;
  • the set 1 is N
  • One of the sets or composed of multiple sets of the N sets, the time domain of each UCI symbol in the ith set of the N sets and the DMRS symbol closest to the UCI symbol The intervals are all the same, and the time-domain interval between the UCI symbol in the i+1 th set in the N sets and the DMRS symbol closest to the UCI symbol is longer than the time interval between the UCI symbol in the ith set and the DMRS symbol closest to the UCI symbol.
  • the time domain interval of the DMRS symbol closest to the UCI symbol is large, the N is a positive integer, the i is a positive integer less than or equal to N, the UCI symbol is a symbol used to carry UCI in the third channel, so
  • the DMRS symbol is the symbol used to carry the DMRS in the third channel;
  • the first symbol is the UCI symbol in the set 1 between the first DMRS symbol and the last DMRS symbol of the third channel , or the first UCI symbol after the first DMRS symbol in the set 1, or the UCI symbol after the first DMRS symbol in the set 1;
  • the second symbol is Symbols in the set 1 other than the first symbol.
  • a transceiver module configured to send the first UCI and the second UCI on the third channel.
  • the first symbol is a symbol in set 2
  • the second symbol is a symbol in set 3
  • the set 2 is a symbol in set 1 on the third channel
  • the UCI symbols after the first DMRS symbol, the set 3 is the symbols in the set 1 other than the set 2.
  • the set 1 is the first set of the N sets, or the set 1 is the first set and the second set of the N sets.
  • the processing module is further configured to map the first UCI to the RE of the first symbol in the set 1 before the end position, and then map it to the set In 1, on the RE of the second symbol before the end position, the end position is the end position of the first channel.
  • the third channel includes at least one DMRS symbol before the end position.
  • the transceiver module is further configured to receive first information from a network device, where the first information indicates that the first UCI is first mapped to the RE of the first symbol , and then mapped to the RE of the second symbol.
  • the processing module is further configured to map the second UCI to REs in the third channel other than those carrying the first UCI.
  • a fourth aspect of the embodiments of the present application discloses a UCI transmission device, the device may be a network device or a chip in the network device, and the device includes a transceiver module and a processing module. a transceiver module, configured to receive the first uplink control information UCI and the second UCI on the third channel when the first channel and the second channel overlap in the time domain, where the first channel is used to carry all the first UCI, the second channel is used to carry the second UCI, and the priority of the first UCI is higher than the priority of the second UCI.
  • the first UCI is first mapped on the resource element RE of the first symbol in set 1, and then mapped on the RE of the second symbol in the set 1;
  • the set 1 is one set of N sets or a set of It is composed of multiple sets in the N sets, each UCI symbol in the i-th set in the N sets has the same time domain interval as the DMRS symbol closest to the UCI symbol, and the N
  • the time interval between the UCI symbol in the i+1th set and the DMRS symbol closest to the UCI symbol in the set is longer than the time interval between the UCI symbol in the ith set and the DMRS symbol closest to the UCI symbol.
  • the domain interval is large, the N is a positive integer, the i is a positive integer less than or equal to N, the UCI symbol is the symbol used to carry UCI in the third channel, and the DMRS symbol is the third channel
  • the symbol used to carry DMRS in the set 1; the first symbol is the UCI symbol between the first DMRS symbol and the last DMRS symbol of the third channel in the set 1, or the UCI symbol in the set 1
  • the second symbol is the set 1 divided by the first UCI symbol; A symbol other than a symbol.
  • the processing module is further configured to demodulate and decode the first UCI and the second UCI.
  • the first symbol is a symbol in set 2
  • the second symbol is a symbol in set 3
  • the set 2 is a symbol in set 1 on the third channel
  • the UCI symbols after the first DMRS symbol, the set 3 is the symbols in the set 1 other than the set 2.
  • the set 1 is the first set of the N sets, or the set 1 is the first set and the second set of the N sets.
  • the first UCI is mapped on the RE of the first symbol in the set 1 before the end position, and is mapped on the RE in the set 1 before the end position On the RE of the second symbol, the end position is the end position of the first channel.
  • the third channel includes at least one DMRS symbol before the end position.
  • the transceiver module is further configured to send first information to the terminal device, where the first information instructs the terminal device to map the first UCI to the first symbol first On the RE of the second symbol, it is mapped to the RE of the second symbol.
  • the second UCI is mapped on REs in the third channel other than those carrying the first UCI.
  • a fifth aspect of the embodiments of the present application discloses an apparatus for transmitting UCI.
  • the apparatus may be a terminal device or a chip in the terminal device.
  • the apparatus includes a processor and an interface circuit.
  • the apparatus further includes a memory.
  • the interface circuit is used to receive signals from devices other than the device and transmit to the processor or send signals from the processor to devices other than the device, and the processor passes Logic circuits or execution code instructions are used to perform the methods described in the first aspect or possible implementations of the first aspect above.
  • a sixth aspect of the embodiments of the present application discloses an apparatus for transmitting UCI.
  • the apparatus may be a network device or a chip in the network device.
  • the apparatus includes a processor and an interface circuit.
  • the apparatus further includes a memory.
  • the interface circuit is used to receive signals from devices other than the device and transmit to the processor or send signals from the processor to devices other than the device, and the processor passes Logic circuits or execution code instructions are used to perform the methods described in the above second aspect or possible implementations of the second aspect.
  • a seventh aspect of the embodiments of the present application discloses a computer program that, when the computer program is executed by a communication device, implements the first aspect, a possible implementation manner of the first aspect, the second aspect, or a possible possible implementation manner of the second aspect Implement the method described in the method.
  • An eighth aspect of the embodiments of the present application discloses a computer-readable storage medium, where a computer program or instruction is stored, and when the computer program or instruction is executed by a communication device, the first aspect and the first aspect described above are implemented.
  • a ninth aspect of the embodiments of the present application discloses a chip system, the chip system includes at least one processor, a memory, and an interface circuit, the memory, the interface circuit, and the at least one processor are interconnected by lines, and the Instructions are stored in at least one memory; when the instructions are executed by the processor, the instructions described in the first aspect, possible implementations of the first aspect, the second aspect, or possible implementations of the second aspect are implemented method.
  • FIG. 1 is a schematic diagram of a UCI transmission system provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of the format of a PUCCH format 1 provided by an embodiment of the present application
  • FIG. 3 is a schematic diagram of a format of a PUCCH provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a format of a PUCCH provided by an embodiment of the present application.
  • FIG. 5 is a schematic diagram of mapping HARQ-ACKs with high and low priorities in a chronological order according to an embodiment of the present application
  • FIG. 6 is a schematic flowchart of a method for transmitting UCI provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a set division provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a set division provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a set division provided by an embodiment of the present application.
  • FIG. 10 is a schematic flowchart of another UCI transmission method provided by an embodiment of the present application.
  • FIG. 11 is a schematic flowchart of another UCI transmission method provided by an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a UCI transmission apparatus provided by an embodiment of the present application.
  • FIG. 13 is a schematic structural diagram of another UCI transmission apparatus provided by an embodiment of the present application.
  • FIG. 1 is a schematic diagram of a UCI transmission system 1000 according to an embodiment of the present invention.
  • the system 1000 may include a network device 1007, a terminal device 1001, a terminal device 1002, a terminal device 1003, a terminal device 1004, and a terminal Device 1005 and Terminal Device 1006.
  • the network device and the terminal device may be hardware, software that is functionally divided, or a combination of the above two.
  • the network device and the terminal device can communicate through other devices or network elements.
  • the methods in the embodiments of the present application may be applied to the communication system 1000 shown in FIG. 1 .
  • a terminal device may also be referred to as a terminal, user equipment (UE), a mobile station, a mobile terminal, and the like.
  • the terminal equipment can be mobile phone, tablet computer, computer with wireless transceiver function, virtual reality terminal equipment, augmented reality terminal equipment, wireless terminal in industrial control, vehicle wireless terminal, wireless terminal in remote surgery, wireless terminal in smart grid , wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, etc.
  • An on-board wireless terminal refers to a terminal device placed or installed in a vehicle, and may also be called an on-board unit (OBU).
  • the terminal device can also be a wearable device. Wearable devices can also be called wearable smart devices or smart wearable devices.
  • the terminal device may also be other device capable of communicating with the network device, such as a relay device.
  • the embodiments of the present application do not limit the specific technology and specific device form adopted by the terminal device.
  • the network equipment can be a base station (base station), an evolved NodeB (eNodeB), a transmission reception point (TRP), a next generation NodeB (gNB) in the 5G mobile communication system, future mobile A base station in a communication system or an access node in a WiFi system, etc.; it can also be a module or unit that completes some functions of the base station, for example, it can be a centralized unit (central unit, CU) or a distributed unit (distributed unit) , DU).
  • the embodiments of the present application do not limit the specific technology and specific device form adopted by the network device.
  • the time domain symbols may be orthogonal frequency division multiplexing (orthogonal frequency division multiplexing, OFDM) symbols, or may be discrete Fourier transform spread spectrum OFDM (Discrete Fourier Transform-spread-OFDM, DFT) symbols -s-OFDM) symbols.
  • OFDM orthogonal frequency division multiplexing
  • DFT discrete Fourier Transform-spread-OFDM
  • the symbols in the embodiments of the present application all refer to time-domain symbols.
  • the PUCCH and the physical uplink shared channel are only used as an example of the uplink control channel and the uplink data channel.
  • the data channel and the control channel may have different names, which are not limited in the embodiments of the present application.
  • the function of the network device may also be performed by a module (eg, a chip) in the network device, or may be performed by a control subsystem including the function of the network device.
  • the control subsystem including network device functions here can be a control center in industrial IoT application scenarios such as smart grid, factory automation, and intelligent transportation.
  • the functions of the terminal device may also be performed by a module (eg, a chip) in the terminal device.
  • PUCCH has 5 formats, as shown in Table 1, which are PUCCH format 0, PUCCH format 1, PUCCH format 2, PUCCH format 3 and PUCCH format 4. Among them, the number of symbols of PUCCH format 0 and PUCCH format 2 is ⁇ 1, 2 ⁇ , which is called short PUCCH, and the number of symbols of PUCCH in other formats is ⁇ 4-14 ⁇ , which is called long PUCCH. The specific number of PUCCH symbols is configured by the network device. For the long PUCCH, the demodulation reference signal (DMRS) of PUCCH format 1 is on even symbols, that is, symbol 0, symbol 2, symbol 4, etc. in the PUCCH.
  • DMRS demodulation reference signal
  • the number of orthogonal frequency division multiplexing (OFDM) symbols of PUCCH format 1 is 10, and the DMRS is on even symbols, that is, symbol 0, symbol 2, and symbol 4 in PUCCH. Symbol 6 and Symbol 8.
  • the DMRS is on a symbol, the DMRS is on all resource elements (resource elements, REs) of the symbol, that is, all REs of symbol 0, symbol 2, symbol 4, symbol 6 and symbol 8 in the PUCCH.
  • the symbols where the DMRS of PUCCH format 3 and PUCCH format 4 are located are shown in Table 2. In Table 2, whether there is an additional (additional) DMRS is configured by a high layer parameter, and whether or not a frequency hopping (hopping) is also configured by a high layer.
  • the DMRS is on symbol 1, symbol 3, symbol 6 and symbol 8 of the PUCCH.
  • the DMRS is on symbols 2 and 7 of the PUCCH.
  • the DMRS is also on all REs of that symbol.
  • UCI includes scheduling request (SR), hybrid automatic repeat request acknowledgement (HARQ-ACK) and channel state information (CSI), etc.
  • SR scheduling request
  • HARQ-ACK hybrid automatic repeat request acknowledgement
  • CSI channel state information
  • the UCI may be borne by the PUCCH, specifically, by the RE in the PUCCH, and there is no DMRS on the RE.
  • high- and low-priority UCIs are multiplexed, for example, high-priority HARQ-ACK and low-priority HARQ-ACK are multiplexed.
  • the high-priority UCI is mapped to the first several symbols of the PUCCH, and the low-priority UCI is mapped to the latter several symbols, that is, the UCI of high and low priority is carried according to the sequence of the symbols in the PUCCH, as shown in FIG. 5 .
  • FIG. 6 is a UCI transmission method provided by an embodiment of the present application.
  • the terminal device determines to send the first UCI and the second UCI on the third channel.
  • the first channel may be PUCCH or PUSCH
  • the second channel may also be PUCCH or PUSCH.
  • the third channel may be the first channel or the second channel, or may be a new PUCCH or PUSCH channel (ie, the time-frequency resources of the third channel are different from those of the first channel and the second channel).
  • the priority of the first UCI is higher than the priority of the second UCI.
  • the priority of the first UCI and the priority of the second UCI may be indicated by the network device through DCI or configured by radio resource control (radio resource control, RRC) signaling, for example, indicating or configuring the priority index of the first UCI as 1 , the priority index of the second UCI is 0.
  • radio resource control radio resource control
  • the first channel and the second channel may be scheduled through DCI, or may be configured through RRC signaling.
  • the network device may send the first DCI to the terminal device for scheduling the first channel; or the network device may send RRC signaling including first configuration information to the terminal device, where the first configuration information is used to configure the first channel channel.
  • the network device may send the second DCI to the terminal device for scheduling the second channel; or the network device may send RRC signaling including second configuration information to the terminal device, where the second configuration information is used to configure the second channel.
  • the first DCI and the second DCI may be the same DCI or different DCIs, and the RRC signaling including the first configuration information and the RRC signaling including the second configuration information may be the same or different.
  • S602 The terminal device maps the first UCI to the RE of the first symbol in the set 1 first, and then maps it to the RE of the second symbol in the set 1.
  • the first UCI is first mapped to the RE of the first symbol in set 1, and then mapped to the RE of the second symbol in set 1, that is, if the RE of the first symbol in set 1 can carry these
  • the first UCI is carried on the REs of the first symbols in set 1. If the REs of the first symbols in set 1 cannot carry these first UCIs, but the first UCI in set 1 and the second symbols in set 1
  • the REs that can carry these first UCIs are carried on the REs of the first symbol in set 1 and the second symbol in set 1.
  • Set 1 is one set of N sets or is composed of multiple sets of the N sets.
  • set 1 can be any set of N sets, such as the first set, or set 1 Consists of any number of sets of N sets, for example set 1 is composed of the first set and the second set.
  • the UCI symbols in the ith set of the N sets have the same time domain interval as the DMRS symbols closest to the UCI symbols, that is, the UCI symbols with the same interval are divided into one set, and the i+1th set in the N sets
  • the time domain interval between UCI symbols and DMRS symbols in is larger than the time domain interval between UCI symbols and DMRS symbols in the ith set, where N is a positive integer, and i is a positive integer less than or equal to N.
  • the UCI symbol is the symbol used to carry the UCI in the third channel
  • the DMRS symbol is the symbol used to carry the DMRS in the third channel.
  • description is made by taking the third channel as PUCCH as an example.
  • the interval divides the symbols carrying UCI into three sets, that is, N is 3.
  • the symbols in each set are sorted in ascending order of the symbol index.
  • the symbols in each set are shown in Figure 7.
  • the first set Symbols included are Symbol 1, Symbol 3, Symbol 6 and Symbol 8, the second set Included symbols are Symbol 0, Symbol 4, Symbol 5 and Symbol 9, the third set
  • the symbol included is symbol 10. Where the first set, the second set and the third set position are sorted as the first set, the second set and the third set.
  • the first set includes symbols 1 and 3, which are separated by 1 symbol from the nearest DMRS symbol (ie, symbol 2); and symbols 6 and 8, which are separated from the nearest DMRS symbol (ie, symbol 2) 7)
  • the interval is 1 symbol.
  • the second set includes symbols 0 and 4, which are separated from symbol 2 by 2 symbols; and symbols 5 and 9, which are separated from symbol 7 by 2 symbols.
  • the third set includes symbol 10, which is separated from symbol 7 by 3 symbols.
  • symbols 1 and 3 in the first set are the DMRS symbols closest to symbols 1 and 3, that is, the time domain interval of symbol 2, and symbols 6 and 8 and the DMRS symbols that are closest to symbols 6 and 8 , that is, the time domain interval of symbol 7 is the same
  • symbol 0 and symbol 4 in the second set are the DMRS symbols closest to symbol 0 and symbol 4, that is, the time domain interval of symbol 2, and symbol 5 and symbol 9 and the distance
  • the nearest DMRS symbols of symbol 5 and symbol 9, that is, symbol 7, have the same time-domain interval.
  • set 1 can be any set, such as the first set, set 1 can be any number of sets, such as the first set and the second set, the first set, the second set and the third set .
  • the The symbols of UCI are divided into two sets, that is, N is 2.
  • the symbols in each set are sorted in ascending order of symbol position.
  • the symbols in each set are shown in Figure 8.
  • the first set Included symbols are Symbol 0, Symbol 2, Symbol 3, and Symbol 5, the second set The symbol included is symbol 6.
  • the first set includes symbol 0 and symbol 2, which are separated by 1 symbol from the nearest DMRS symbol (ie, symbol 1); and symbol 3 and symbol 5, which are separated from the nearest DMRS symbol (ie, symbol 1) 4)
  • the interval is 1 symbol.
  • the second set includes symbol 6, which is separated from symbol 4 by 2 symbols, that is, symbol 0, symbol 2 and the DMRS symbols closest to symbol 0 and symbol 2 in the first set, that is, the time domain interval of symbol 1 , and symbol 3, symbol 5 and the DMRS symbol closest to symbol 3 and symbol 5, that is, the time domain interval of symbol 4 is the same, and the time domain interval of UCI symbol and DMRS symbol in the first set is smaller than that of UCI in the second set.
  • the time domain interval between the symbol and the DMRS symbol is small.
  • Set 1 can be the first set
  • set 1 can be the first set and the second set.
  • the The symbols of UCI are divided into 1 sets, and the symbols in each set are sorted in ascending order of symbol positions.
  • the symbols in this set are shown in Figure 9.
  • the first set includes symbols 1 and 3. .
  • Set 1 can be the first set.
  • the first symbol is the UCI symbol in set 1 between the first DMRS symbol of the third channel and the last DMRS symbol, or the first symbol in set 1 after the first DMRS symbol of the third channel UCI symbols, or the UCI symbols in the set 1 after the first DMRS symbol of the third channel; the second symbol is the symbols in the set 1 other than the first symbol.
  • the first DMRS symbol of the third channel refers to the first DMRS symbol in the time domain in the third channel.
  • set 1 is the first set and the second set, then for the first set, the first symbol is the UCI between the first DMRS symbol and the last DMRS symbol of the third channel in the first set symbol, or the first UCI symbol in the first set after the first DMRS symbol of the third channel, or the UCI symbol in the first set after the first DMRS symbol of the third channel;
  • Two symbols are symbols in the first set other than the first symbol.
  • the first symbol is the UCI symbol in the second set between the first DMRS symbol and the last DMRS symbol of the third channel in the second set, or the first symbol in the second set in the third channel
  • the third channel is a PUCCH with a length of 11 symbols, and the DMRS symbols are symbol 2 and symbol 7. That is to say, the first DMRS symbol of the third channel is symbol 2. According to the above description, the first DMRS symbol is symbol 2.
  • the UCI symbols in the three channels are divided into three sets, namely: the first set includes symbols 1, 3, 6 and 8, that is, the symbols in Table 3
  • the symbols included in the second set are symbol 0, symbol 4, symbol 5 and symbol 9, that is, the symbols in Table 3
  • the symbol included in the third set is symbol 10, that is, in Table 3
  • Case 1 Take set 1 as the first set, and the first symbol is the UCI symbol between the first DMRS symbol and the last DMRS symbol of the third channel in set 1 as an example, then the first symbol For symbol 3 and symbol 6, the first UCI is first mapped to the RE of the first symbol in set 1, and then mapped to the RE of the second symbol in set 1, where the first symbols in set 1 are symbol 3 and symbol 6 , the second symbols in set 1 are symbol 1 and symbol 8, that is to say, the first UCI is first mapped to the REs of symbol 3 and symbol 6, and then mapped to the REs of symbol 1 and symbol 8. If the first UCI is not enough to fill up the REs of symbol 3, symbol 6, symbol 1 and symbol 8, the symbols in front can be given priority. Not full.
  • the first UCI may also be evenly placed on the REs of the symbol 3, the symbol 6, the symbol 1 and the symbol 8, that is, the REs of the symbol 3, the symbol 6, the symbol 1 and the symbol 8 are not full.
  • the second case take set 1 as the first set and the second set, and the first symbol is the UCI symbol between the first DMRS symbol and the last DMRS symbol of the third channel in set 1 as an example , for the first set, the first symbol and the second symbol are similar to the first case, and will not be described here.
  • the first symbols are symbol 4, symbol 5, and the second symbols are symbol 0 and symbol 9.
  • the first UCI is first mapped to the RE of the first symbol in set 1, and then mapped to the RE of the second symbol in set 1, that is to say, the first UCI is first mapped to the RE of the first symbol in the first set, It is then mapped to the RE of the second symbol in the first set, then mapped to the RE of the first symbol in the second set, and then mapped to the RE of the second symbol in the second set, where the first The first symbols in the set are symbols 3 and 6, the second symbols in the first set are symbols 1 and 8, the first symbols in the second set are symbols 4 and 5, and the second symbols in the second set are symbols 4 and 5.
  • the two symbols are symbol 0 and symbol 9, that is to say, the first UCI is first mapped to the RE of symbol 3 and symbol 6, then mapped to the RE of symbol 1 and symbol 8, and then mapped to the RE of symbol 4 and symbol 5. , and then map to the REs of symbol 0 and symbol 9. If the first UCI is not enough to fill up the REs of symbol 4, symbol 5, symbol 0 and symbol 9, the symbols in front can be given priority. Not full.
  • the first UCI may also be evenly placed on the REs of symbol 4, symbol 5, symbol 0, and symbol 9, that is, the REs of symbol 4, symbol 5, symbol 0, and symbol 9 are not full.
  • the first UCI is first mapped to the set
  • the RE of the first symbol in set 1 is mapped to the RE of the second symbol in set 1, where the first symbol in set 1 is symbol 3, and the second symbol in set 1 is symbol 1, symbol 6 and symbol 8 , that is to say, the first UCI is first mapped to the RE of symbol 3, and then mapped to the RE of symbol 1, symbol 6 and symbol 8. If the first UCI is not enough to fill up the REs of symbol 3, symbol 1, symbol 6 and symbol 8, the symbols in front can be given priority. Not full.
  • the first UCI may also be evenly placed on the REs of the symbol 3, the symbol 1, the symbol 6 and the symbol 8, that is, the REs of the symbol 3, the symbol 1, the symbol 6 and the symbol 8 are not full.
  • the first symbol is the first UCI symbol in set 1 after the first DMRS symbol of the third channel as an example
  • the first UCI is first mapped to the RE of the first symbol in set 1, and then mapped to the RE of the second symbol in set 1, that is to say, the first UCI is first mapped to the RE of the first symbol in the first set, and then mapped to the RE of the first symbol in the first set.
  • the first symbol is symbol 3, the second symbol in the first set is symbol 1, symbol 6, and symbol 8, the first symbol in the second set is symbol 4, and the second symbol in the second set is symbol 0 , symbol 5 and symbol 9, that is to say, the first UCI is first mapped to the RE of symbol 3, then mapped to the RE of symbol 1, symbol 6 and symbol 8, then mapped to the RE of symbol 4, and then mapped to the symbol of symbol 4. 0, symbol 5 and symbol 9 on the RE.
  • the first UCI is not enough to fill up the REs of symbol 4, symbol 0, symbol 5 and symbol 9, the symbols in front can be given priority. Not full.
  • the first UCI may also be evenly placed on the REs of symbol 4, symbol 0, symbol 5, and symbol 9, that is, the REs of symbol 4, symbol 0, symbol 5, and symbol 9 are not full.
  • the first UCI is first mapped to the first UCI in set 1
  • the RE of one symbol is mapped to the RE of the second symbol in set 1, where the first symbol in set 1 is symbol 3, symbol 6 and symbol 8, and the second symbol in set 1 is symbol 1, that is It is said that the first UCI is first mapped to the REs of the symbol 3, the symbol 6 and the symbol 8, and then mapped to the RE of the symbol 1. If the first UCI is not enough to fill up the REs of symbol 3, symbol 6, symbol 8 and symbol 1, the symbols in front can be given priority. Not full.
  • the first UCI may also be evenly placed on the REs of symbol 3, symbol 6, symbol 8, and symbol 1, that is, the REs of symbol 3, symbol 6, symbol 8, and symbol 1 are not full.
  • the first UCI is mapped first.
  • the first UCI is first mapped to the RE of the first symbol in the first set, and then mapped to the first The RE of the second symbol in the first set is mapped to the RE of the first symbol in the second set, and then mapped to the RE of the second symbol in the second set, where the first symbol in the first set is are symbol 3, symbol 6 and symbol 8, the second symbol in the first set is symbol 1, the first symbol in the second set is symbol 4, symbol 5 and symbol 9, and the second symbol in the second set is symbol 0, that is to say, the first UCI is first mapped to the RE of symbol 3, symbol 6 and symbol 8, then mapped to the RE of symbol 1, and then mapped to the RE of symbol 4, symbol 5 and symbol 9, and then mapped
  • the first UCI may also be evenly placed on the REs of symbol 4, symbol 5, symbol 9, and symbol 0, that is, the REs of symbol 4, symbol 5, symbol 9, and symbol 0 are not full.
  • the performance of the first UCI can be guaranteed according to the position of the DMRS symbols, that is, the high-priority UCI is closer to the nearest DMRS, thereby ensuring the The reliability of the first UCI is improved, and the signaling overhead can be reduced by multiplexing the first UCI and the second UCI on the third channel.
  • the first symbol is a symbol in set 2
  • the second symbol is a symbol in set 3
  • set 2 is the first DMRS symbol and the last DMRS symbol of the third channel in set 1
  • the UCI symbol between, or the first UCI symbol after the first DMRS symbol in set 1, or the UCI symbol after the first DMRS symbol in set 1, set 3 is set 1 divided by set 2 outside symbols.
  • the symbols in the set 2 and the set 3 constitute the symbols in the set 1.
  • the third channel is a PUCCH with a length of 11 symbols, and the DMRS is symbol 2 and symbol 7. That is to say, the first DMRS symbol of the third channel is symbol 2.
  • the third The UCI symbols in the channel are divided into three sets, namely: the first set includes symbols 1, 3, 6 and 8, and the second set includes symbols 0, 4, 5 and 8. Symbol 9, the third set includes symbol 10.
  • the set 2 includes the symbols between the demodulation reference signal DMRS symbols in the set 1
  • the set 3 includes the symbols in the set 1 except the symbols between the DMRS symbols
  • the position of the set 2 is in the set 3
  • set 1 is the first set
  • the symbols included in the first set are symbol 1, symbol 3, symbol 6 and symbol 8. Since set 2 and set 3 constitute set 1, set 2 includes set The symbols between the demodulation reference signal DMRS symbols in 1, the set 3 includes symbols other than the symbols between the DMRS symbols in the set 1, and the position of the set 2 is before the position of the set 3, then the set 2 is the symbols 3 and 3.
  • the terminal device maps the first UCI to the first UCI in set 1.
  • the RE of one symbol is mapped to the RE of the second symbol in set 1, that is, the first UCI is first mapped to the RE of the UCI symbol in set 2, and then mapped to the RE of the UCI symbol in set 3 , since set 2 is symbol 3 and symbol 6, and set 3 is symbol 1 and symbol 8, the first UCI is first mapped to the REs of symbol 3 and symbol 6, and then mapped to the REs of symbol 1 and symbol 8.
  • the symbols in front can be given priority. Not full.
  • the first UCI may also be evenly placed on the REs of the symbol 3, the symbol 6, the symbol 1 and the symbol 8, that is, the REs of the symbol 3, the symbol 6, the symbol 1 and the symbol 8 are not full.
  • the set 2 includes the symbols between the demodulation reference signal DMRS symbols in the set 1, the set 3 includes the symbols in the set 1 except the symbols between the DMRS symbols, and the position of the set 2 is in the set 3.
  • the symbols included in the first set are symbol 1, symbol 3, symbol 6 and symbol 8, and the symbols included in the second set are symbols 0, Symbol 4, symbol 5 and symbol 9, because set 2 and set 3 constitute set 1, wherein set 2 is the symbol between the demodulation reference signal DMRS symbols in set 1, and set 3 includes set 1 except between DMRS symbols.
  • a symbol other than a symbol, and the position of set 2 is before the position of set 3.
  • set 2 includes symbols 3 and 6, and set 3 includes symbols 1 and 8; that is, in the second set, set 2 includes symbols 4 and 5, and set 3 includes Symbol 0 and symbol 9;
  • the terminal device maps the first UCI to the RE of the first symbol in set 1 first, and then maps it to the RE of the second symbol in set 1, that is, maps the first UCI to set 2 first
  • set 2 includes symbol 4 and symbol 5, and set 3 includes symbol 0 and symbol 9, then the first UCI is mapped to the REs of symbol 3 and symbol 6, and then mapped to the REs of symbol 1 and symbol 8; then Mapped to symbol 4 and symbol 5, and then mapped to the REs of symbol 0 and symbol 9.
  • the first UCI is not enough to fill up the REs of symbol 4, symbol 5, symbol 0 and symbol 9, the symbols in front can be given priority. Not full.
  • the first UCI may also be evenly placed on the REs of symbol 4, symbol 5, symbol 0, and symbol 9, that is, the REs of symbol 4, symbol 5, symbol 0, and symbol 9 are not full.
  • the third case take set 2 including one symbol after the DMRS symbol in set 1, set 3 including the symbol in set 1 except one symbol after the DMRS symbol, and the position of set 2 is before the position of set 3 as an example , assuming that set 1 is the first set, and the symbols included in the first set are symbol 1, symbol 3, symbol 6 and symbol 8.
  • set 2 and set 3 constitute set 1, set 2 is the DMRS symbol in set 1 After a symbol, set 3 includes symbols other than a symbol after the DMRS symbol in set 1, and the position of set 2 is before the position of set 3, then set 2 is symbol 3, set 3 is symbol 1, and the symbol 6 and symbol 8, the terminal device first maps the first UCI to the RE of the first symbol in set 1, and then maps it to the RE of the second symbol in set 1, that is, maps the first UCI to the RE of set 2 first.
  • the RE of the UCI symbol is mapped to the RE of the UCI symbol in set 3. Since set 2 is symbol 3, set 3 is symbol 1, and symbol 6 and symbol 8, the terminal device maps the first UCI to the symbol first.
  • the RE of 3 On the RE of 3, it is mapped to the RE of symbol 1, symbol 6 and symbol 8. If the first UCI is not enough to fill up the REs of symbol 3, symbol 1, symbol 6 and symbol 8, the symbols in front can be given priority. Not full.
  • the first UCI may also be evenly placed on the REs of the symbol 3, the symbol 1, the symbol 6 and the symbol 8, that is, the REs of the symbol 3, the symbol 1, the symbol 6 and the symbol 8 are not full.
  • set 2 includes a symbol after the DMRS symbol in set 1
  • set 3 includes symbols in set 1 except for the symbol after the DMRS symbol
  • the position of set 2 is before the position of set 3 as an example
  • set 1 is the first set and the second set
  • the symbols included in the first set are symbol 1, symbol 3, symbol 6 and symbol 8
  • the symbols included in the second set are symbol 0, symbol 4, symbol 8 5 and symbol 9, because set 2 and set 3 constitute set 1,
  • set 2 is a symbol after the DMRS symbol in set 1
  • set 3 includes symbols in set 1 except for a symbol after the DMRS symbol
  • set The position of 2 is before the position of set 3.
  • the symbol included in set 2 is symbol 3, and set 3 includes symbol 1, symbol 6, and symbol 8; in the second set, the symbol included in set 2 is symbol 4, and set 3 includes symbol 4.
  • the symbols included are symbol 0, symbol 5 and symbol 9; the terminal device maps the first UCI to the RE of the first symbol in set 1, and then maps it to the RE of the second symbol in set 1, that is, the first UCI is mapped to the RE of the second symbol in set 1.
  • UCI is first mapped to the RE of the UCI symbol in set 2, and then mapped to the RE of the UCI symbol in set 3, because in the first set, the symbol included in set 2 is symbol 3, and set 3 includes symbol 1, Symbol 6 and symbol 8; in the second set, the symbol included in set 2 is symbol 4, and the symbols included in set 3 are symbol 0, symbol 5, and symbol 9; then the terminal device maps the first UCI to the RE of symbol 3 , and then map to the REs of symbol 1, symbol 6, and symbol 8; then map to symbol 4, and then map to the REs of symbol 0, symbol 5, and symbol 9. If the first UCI is not enough to fill up the REs of symbol 4, symbol 0, symbol 5 and symbol 9, the symbols in front can be given priority. Not full.
  • the first UCI may also be evenly placed on the REs of symbol 4, symbol 0, symbol 5, and symbol 9, that is, the REs of symbol 4, symbol 0, symbol 5, and symbol 9 are not full.
  • the terminal device first maps the first UCI to the RE of the first symbol in set 1 before the end position, and then maps it to the RE of the second symbol in set 1 before the end position RE on.
  • the end position is the end position of the first channel, that is, the end position of the first channel when the first UCI and the second UCI are not multiplexed.
  • the end position of the first channel is at the third On the symbol 5 of the channel, that is to say, the end position of the first channel is before the end symbol of the third channel.
  • the symbol of the end position may be included before the end position, for example, the end position is on the symbol 5, the symbol 5 may be included before the end position, or the end position may not be included.
  • the third channel is a PUCCH with a length of 11 symbols, and the DMRS is symbol 2 and symbol 7. That is to say, the first DMRS symbol of the third channel is symbol 2.
  • the third The UCI symbols in the channel are divided into three sets, namely: the first set includes symbols 1, 3, 6 and 8, and the second set includes symbols 0, 4, 5 and 8. Symbol 9, the third set includes symbol 10.
  • the first case set 1 as the first set, the first symbol is the UCI symbol between the first DMRS symbol and the last DMRS symbol of the third channel in set 1, and the end position is symbol 5 as
  • the first UCI is first mapped to the RE of the first symbol in set 1 before the end position, and then mapped to the RE of the second symbol in set 1 before the end position, wherein, in set 1 at the end of The first symbol before the position is symbol 3, and the second symbol before the end position in set 1 is symbol 1, then the first UCI is first mapped to the RE of symbol 3, and then mapped to the RE of symbol 1.
  • the second case with set 1 as the first set and the second set, and the first symbol as the UCI symbol between the first DMRS symbol and the last DMRS symbol of the third channel in set 1, end Taking the position of symbol 5 as an example, the first UCI is first mapped to the RE of the first symbol in set 1 before the end position, and then mapped to the RE of the second symbol in set 1 before the end position, that is, Say that the first UCI is first mapped to the RE of the first symbol in the first set before the end position, then mapped to the RE of the second symbol in the first set before the end position, and then mapped to the second The RE of the first symbol before the end position in the set is mapped to the RE of the second symbol before the end position in the second set, where the first symbol in the first set before the end position is Symbol 3, the second symbol in the first set before the end position is symbol 1, the first symbol in the second set before the end position is symbol 4, and the second symbol in the second set before the end position is symbol 0, that is to say, the first UCI
  • the third channel includes at least one DMRS symbol before the end position.
  • the end position is at symbol 5
  • the third channel is a PUCCH with a length of 11 symbols
  • the DMRS is symbol 2 and symbol 7 as an example
  • symbol 2 is before symbol 5
  • the end position, in the third channel Include at least 1 DMRS symbol.
  • the end position is after the last DMRS in the third channel.
  • the third channel is a PUCCH with a length of 11 symbols
  • the DMRS is on symbol 2 and symbol 7
  • the end position is on symbol 8. If the end position is before the last DMRS, the multiplexing of high and low priority UCIs is not performed. Alternatively, if there is no DMRS symbol before the end position, high and low priority multiplexing is not performed.
  • the third channel includes at least one DMRS symbol, so that the network device can demodulate and decode the high-priority UCI in time, and reduce the delay of the high-priority UCI.
  • the terminal device receives first information from the network device, where the first information is used to indicate that the first UCI is first mapped to the RE of the first symbol, and then mapped to the RE of the second symbol superior. That is to say, the high-priority UCI is first mapped to the RE of the first symbol, and then mapped to the RE of the second symbol.
  • the first information may also be used to indicate that the first UCI is mapped in a chronological order, that is, the symbol earlier in time is mapped first, or it is understood that the symbol with a smaller symbol index is mapped first.
  • the third channel is the PUCCH with a length of 11
  • the DMRS is on symbols 2 and 7 of the PUCCH
  • the first UCI is mapped to symbol 0, symbol 1, symbol 3, symbol 4, and symbol 7 in sequence. 5.
  • the first information may be a bit, and when the bit is 1, the first information is used to indicate that the first UCI is first mapped to the RE of the first symbol, and then mapped to the first UCI. On the RE of two symbols; when the bit is 0, the first information is used to indicate that the first UCI is mapped in chronological order.
  • the first information may also be used to indicate a mapping manner, that is, indicating whether it is the first mapping manner or the second mapping manner.
  • the first mapping manner may perform the mapping in the chronological order as described above, and the second mapping manner is to perform the mapping close to the DMRS, and specifically, perform the mapping according to the manner in Table 3.
  • the network device can determine and select different mapping modes according to the transmission reliability and time delay, so as to send the first information to the terminal device, and use the first information to indicate which mapping mode the terminal device adopts.
  • the terminal device can use the It is more flexible to receive the first information of the network device and determine which mapping mode to adopt for mapping.
  • the terminal device receives indication information from the network device, where the indication information is used to indicate whether the symbol before the first DMRS in the third channel can be mapped to the first UCI, of course, except for the network device
  • the method of sending the indication information to the terminal device notifies the terminal device whether the symbol before the first DMRS in the three channels can be mapped to the first UCI, and can also be implemented by means of high-level configuration.
  • the second UCI is mapped to REs in the third channel other than those carrying the first UCI. That is to say, the second UCI is mapped to the REs in the third channel except the REs that carry the first UCI and DMRS, that is to say, the low-priority UCI is mapped to the third channel. outside RE.
  • the first set includes symbols 1, 3, 6 and 8 and the second set includes symbols 1, 3, 6 and 8.
  • the symbols included in the first set are symbol 0, symbol 4, symbol 5 and symbol 9, and the symbol included in the third set is symbol 10.
  • the first UCI is first mapped to the RE of the first symbol in set 1, and then mapped to the RE of the second symbol in set 1, where the first symbol is the first DMRS symbol of the third channel in set 1 and Take the UCI symbol between the last DMRS symbol as an example, that is to say, the first UCI is first mapped to the RE of symbol 3 and symbol 6, and then mapped to the RE of symbol 1 and symbol 8.
  • symbol 6, symbol 1, and symbol 8 REs are fully occupied, then the second UCI is mapped to the REs of symbol 0, symbol 4, symbol 5, symbol 9, and symbol 10. If it is evenly placed on the REs of symbol 3, symbol 6, symbol 1 and symbol 8, that is, the REs of symbol 3, symbol 6, symbol 1 and symbol 8 are not full, then the second UCI is first mapped to symbol 3, symbol 1 and symbol 8. In symbol 6, symbol 1 and symbol 8, the REs other than those carrying the first UCI are mapped to the REs of symbol 0, symbol 4, symbol 5, symbol 9 and symbol 10. That is to say, some REs on symbol 3, symbol 6, symbol 1 and symbol 8 carry the first UCI, and some REs carry the second UCI.
  • Step S603 The terminal device sends the first UCI and the second UCI to the network device on the third channel.
  • Step S604 The network device receives the first UCI and the second UCI from the terminal device on the third channel, and demodulates and decodes the first UCI and the second UCI.
  • FIG. 10 is another UCI transmission method provided by an embodiment of the present application.
  • Step S1001 Under the condition that the first channel for carrying the first UCI and the second channel for carrying the second UCI overlap in the time domain, the terminal device determines to send the first UCI and the second UCI on the third channel .
  • step S601 For details, refer to step S601, which will not be repeated here.
  • Step S1002 The terminal device maps the first UCI to the RE of the symbol before the end position in set 1. Specifically, for the related explanation of set 1 and the end position, reference may be made to step S602, which is not repeated here.
  • the third channel is a PUCCH with a length of 11 symbols, and the DMRS is symbol 2 and symbol 7. That is to say, the first DMRS symbol of the third channel is symbol 2.
  • the third The UCI symbols in the channel are divided into three sets, namely: the first set includes symbols 1, 3, 6 and 8, and the second set includes symbols 0, 4, 5 and 8. Symbol 9, the third set includes symbol 10.
  • the first case take set 1 as the first set and the end position as symbol 5 as an example, the symbols included in the first set are symbol 1, symbol 3, symbol 6 and symbol 8, and the symbols before the end position of the first set The symbols are symbol 1 and symbol 3, and the first UCI is mapped to the RE of the symbol before the end position in set 1, that is, the first UCI is first mapped to the RE of symbol 1 and symbol 3.
  • the second case take set 1 as the first set and the second set, and the end position is symbol 5 as an example, the symbols included in the first set are symbol 1, symbol 3, symbol 6 and symbol 8, the first The symbols before the end position of the set are symbol 1 and symbol 3, the symbols included in the second set are symbol 0, symbol 4, symbol 5 and symbol 9, and the symbols before the end position of the second set are symbol 0 and symbol 4.
  • the first UCI is mapped to the RE of the symbol before the end position in the set 1, that is, the first UCI is first mapped to the RE of the symbol 1 and the symbol 3, and then mapped to the RE of the symbol 0 and the symbol 4.
  • the third channel includes at least one DMRS symbol before the end position.
  • step S602 which will not be repeated here.
  • the terminal device receives second information from the network device, where the second information is used to indicate that the first UCI is mapped to the RE of the symbol in the set 1 before the end position. That is, the high-priority UCI is mapped to the RE of the symbol in set 1 before the end position.
  • the second information is used to indicate that the first UCI is mapped to the RE of the symbol in the set 1 before the end position. That is, the high-priority UCI is mapped to the RE of the symbol in set 1 before the end position.
  • the terminal device receives indication information from the network device, where the indication information is used to indicate whether the symbol before the first DMRS in the third channel can be mapped to the first UCI, of course, except for the network device
  • the method of sending the indication information to the terminal device notifies the terminal device whether the symbol before the first DMRS in the three channels can be mapped to the first UCI, and can also be implemented by means of high-level configuration.
  • the second UCI is mapped to REs in the third channel other than those carrying the first UCI. That is to say, the second UCI is mapped to the REs in the third channel except the REs that carry the first UCI and DMRS, that is to say, the low-priority UCI is mapped to the third channel. outside RE.
  • the first set includes symbols 1, 3, 6 and 8 and the second set includes symbols 1, 3, 6 and 8.
  • the symbols included in the first set are symbol 0, symbol 4, symbol 5 and symbol 9, and the symbol included in the third set is symbol 10.
  • set 1 is the first set as an example, the symbols before the end position in the first set are symbol 1 and symbol 3, that is to say The first UCI is mapped to the REs of symbol 1 and symbol 3. If the first UCI just fills up the REs of symbol 1 and symbol 3, the second UCI is mapped to symbol 6 and symbol 8. If it is evenly placed on the REs of symbol 1 and symbol 3, that is, the REs of symbol 1 and symbol 3 are not fully occupied, then the second UCI is first mapped to the REs in symbols 1 and 3 other than those carrying the first UCI. , and then map to the REs of symbols 6 and 8. That is to say, some REs on symbols 1 and 3 carry the first UCI, and some REs carry the second UCI.
  • set 1 is the first set and the second set as an example, the symbols before the end position in the first set are symbol 1 and symbol 1 3.
  • the symbols before the end position of the second set are symbol 0 and symbol 4, that is to say, the first UCI is first mapped to the RE of symbol 1 and symbol 3, and then mapped to the RE of symbol 0 and symbol 4. If the first UCI just fills up the REs of symbol 1, symbol 3, symbol 0, and symbol 4, the second UCI is mapped to the REs of symbol 6, symbol 8, symbol 5, and symbol 9.
  • the second UCI is first mapped to symbol 1, symbol 0 and symbol 4.
  • the REs in Symbol 3, Symbol 0, and Symbol 4 except those carrying the first UCI are mapped to REs in Symbol 6, Symbol 8, Symbol 5, and Symbol 9. That is to say, some REs on symbol 1, symbol 3, symbol 0, and symbol 4 carry the first UCI, and some REs carry the second UCI.
  • the multiplexed transmission between the high-priority UCI and the low-priority UCI is abandoned, and only the high-priority UCI is sent on the first channel. instead of sending low priority UCI.
  • steps S1003 to S1004 reference may be made to steps S603 to S604, which will not be repeated here.
  • FIG. 11 is another UCI transmission method provided by an embodiment of the present application.
  • Step S1101 Under the condition that the first channel for carrying the first UCI and the second channel for carrying the second UCI overlap in the time domain, the terminal device determines to send the first UCI and the second UCI on the third channel .
  • step S601 For details, refer to step S601, which will not be repeated here.
  • Step S1102 The terminal device maps the first UCI to the RE of the symbol before the end position in the third channel.
  • step S602 for the relevant explanation of the end position, reference may be made to step S602, which will not be repeated here.
  • the third channel is a PUCCH with a length of 11 symbols, and the DMRS is symbol 2 and symbol 7. That is to say, the first DMRS symbol of the third channel is symbol 2, and the end position is symbol 5.
  • the symbols before the end position in the third channel include symbol 5, the symbols before the end position are symbol 0, symbol 1, symbol 3, symbol 4, and symbol 5, and the terminal equipment maps the first UCI to the third On the RE of the symbol before the end position in the channel, that is, the terminal device maps the first UCI on the RE of symbol 0, symbol 1, symbol 3, symbol 4 and symbol 5;
  • the terminal equipment maps the first UCI to the RE of the symbol before the end position in the third channel, that is The terminal equipment maps the first UCI on REs of symbol 0, symbol 1, symbol 3 and symbol 4.
  • the third channel includes at least one DMRS symbol before the end position.
  • step S602 which will not be repeated here.
  • the terminal device receives third information from the network device, where the third information is used to indicate that the first UCI is mapped to the RE of the symbol before the end position in the third channel. That is, the high-priority UCI is mapped to the RE of the symbol before the end position in the third channel.
  • the third information is used to indicate that the first UCI is mapped to the RE of the symbol before the end position in the third channel. That is, the high-priority UCI is mapped to the RE of the symbol before the end position in the third channel.
  • the terminal device receives indication information from the network device, where the indication information is used to indicate whether the symbol before the first DMRS in the third channel can be mapped to the first UCI, of course, except for the network device
  • the method of sending the indication information to the terminal device notifies the terminal device whether the symbol before the first DMRS in the three channels can be mapped to the first UCI, and can also be implemented by means of high-level configuration.
  • the second UCI is mapped to REs in the third channel other than those carrying the first UCI. That is to say, the second UCI is mapped to the REs in the third channel except the REs that carry the first UCI and DMRS, that is to say, the low-priority UCI is mapped to the third channel. outside RE.
  • the terminal device maps the second UCI on the REs of symbol 5, symbol 6, symbol 8, symbol 9, and symbol 10.
  • the multiplexed transmission between the high-priority UCI and the low-priority UCI is abandoned, and only the high-priority UCI is sent on the first channel. instead of sending low priority UCI.
  • steps S1103 to S1104 reference may be made to steps S603 to S604, which will not be repeated here.
  • the third channel is PUCCH as an example for description.
  • the third channel can also be PUSCH, and can be described with reference to the third channel being PUCCH as an example. It is not repeated here.
  • the network device and the terminal device include corresponding hardware structures and/or software modules for performing each function.
  • the units and method steps of each example described in conjunction with the embodiments disclosed in the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is performed by hardware or computer software-driven hardware depends on the specific application scenarios and design constraints of the technical solution.
  • FIG. 12 and FIG. 13 are schematic structural diagrams of a possible UCI transmission apparatus provided by an embodiment of the present application. These UCI transmission apparatuses can be used to implement the functions of the terminal equipment or the network equipment in the above method embodiments, and thus can also achieve the beneficial effects possessed by the above method embodiments.
  • the UCI transmission apparatus may be terminal equipment 1001-terminal equipment 1006 as shown in FIG. 1 , or may be network equipment 1007 as shown in FIG. A module (such as a chip) of a network device.
  • the UCI transmission apparatus 1200 includes a processing module 1201 and a transceiver module 1202 .
  • the UCI transmission apparatus 1200 is configured to implement the functions of the terminal device or the network device in the method embodiment shown in FIG. 6 , FIG. 10 or FIG. 11 .
  • the processing module 1201 is configured to determine, when the first channel and the second channel overlap in the time domain, The first uplink control information UCI and the second UCI are sent on three channels, wherein the first channel is used to carry the first UCI, the second channel is used to carry the second UCI, and the first UCI is used to carry the first UCI.
  • the priority of the UCI is higher than the priority of the second UCI; the processing module 1201 is further configured to map the first UCI to the resource element RE of the first symbol in set 1 first, and then map it to the set On the RE of the second symbol in 1; the set 1 is one set of N sets or consists of multiple sets of the N sets, each of the ith set of the N sets.
  • the time-domain interval between the UCI symbol and the DMRS symbol closest to the UCI symbol is the same, and the time-domain interval between the UCI symbol in the i+1th set of the N sets and the DMRS symbol closest to the UCI symbol is the same
  • the interval is larger than the time domain interval between the UCI symbol in the i-th set and the DMRS symbol closest to the UCI symbol, the N is a positive integer, the i is a positive integer less than or equal to N, the UCI symbol is the symbol used to carry UCI in the third channel, the DMRS symbol is the symbol used to carry DMRS in the third channel; the
  • the processing module 1201 is further configured to first map the first UCI to the RE of the first symbol in the set 1 before the end position, and then map it to the RE of the first symbol before the end position. On the RE of the second symbol before the end position in set 1, the end position is the end position of the first channel.
  • the transceiver module 1202 is further configured to receive first information from a network device, where the first information indicates that the first UCI is first mapped to the RE of the first symbol , and then mapped to the RE of the second symbol.
  • the processing module 1201 is further configured to map the second UCI to REs in the third channel other than those carrying the first UCI.
  • the transceiver module 1202 is used for, when the first channel and the second channel overlap in the time domain, in the third
  • the first uplink control information UCI and the second UCI are received on a channel, wherein the first channel is used to carry the first UCI, the second channel is used to carry the second UCI, and the first UCI is used to carry the first UCI.
  • the priority is higher than the priority of the second UCI; the first UCI is first mapped on the resource element RE of the first symbol in set 1, and then mapped on the RE of the second symbol in the set 1; the Set 1 is one set of N sets or consists of multiple sets of said N sets, and each UCI symbol in the ith set of said N sets is the DMRS closest to said UCI symbol.
  • the time-domain intervals of the symbols are all the same, and the time-domain interval between the UCI symbol in the i+1 th set in the N sets and the DMRS symbol closest to the UCI symbol is smaller than the UCI symbol in the ith set.
  • the time interval between the symbol and the DMRS symbol closest to the UCI symbol is large, the N is a positive integer, the i is a positive integer less than or equal to N, and the UCI symbol is used in the third channel to carry UCI
  • the DMRS symbol is the symbol used to carry the DMRS in the third channel; the first symbol is the combination of the first DMRS symbol and the last DMRS symbol of the third channel in the set 1
  • the The second symbol is a symbol other than the first symbol in the set 1;
  • the processing module 1201 is further configured to demodulate and decode the first UCI and the second UCI.
  • the transceiver module 1202 is further configured to send first information to the terminal device, where the first information instructs the terminal device to map the first UCI to the first UCI first The RE of the symbol is then mapped to the RE of the second symbol.
  • the processing module 1201 is configured to determine, when the first channel and the second channel overlap in the time domain, The first uplink control information UCI and the second UCI are sent on three channels, wherein the first channel is used to carry the first UCI, the second channel is used to carry the second UCI, and the first UCI is used to carry the first UCI.
  • the priority of UCI is higher than the priority of the second UCI; the processing module 1201 is further configured to map the first UCI to the resource element RE of the symbol before the end position in set 1; the set 1 is one set of N sets or consists of multiple sets of said N sets, and the difference between each UCI symbol in the i-th set of said N sets and the DMRS symbol closest to said UCI symbol is The time-domain intervals are all the same, and the time-domain interval between the UCI symbol in the i+1 th set in the N sets and the DMRS symbol closest to the UCI symbol is larger than the UCI symbol in the ith set and the UCI symbol in the ith set.
  • the time domain interval of the DMRS symbol closest to the UCI symbol is large, the N is a positive integer, the i is a positive integer less than or equal to N, and the UCI symbol is the symbol used to carry the UCI in the third channel , the DMRS symbol is the symbol used to carry the DMRS in the third channel; the end position is the end position of the first channel; the transceiver module 1202 is configured to send the third channel on the third channel one UCI and the second UCI.
  • the transceiver module 1202 is further configured to receive second information from a network device, where the second information indicates that the first UCI is mapped to the first UCI in set 1 before the end position on the RE of the symbol.
  • the processing module 1201 is further configured to map the second UCI to REs in the third channel other than those carrying the first UCI.
  • the transceiver module 1202 is used for, when the first channel and the second channel overlap in the time domain, in the third
  • the first uplink control information UCI and the second UCI are received on a channel, wherein the first channel is used to carry the first UCI, the second channel is used to carry the second UCI, and the first UCI is used to carry the first UCI.
  • the priority is higher than the priority of the second UCI; the first UCI is mapped on the resource element RE of the symbol before the end position in the set 1; the set 1 is one set of N sets or is composed of It is composed of multiple sets in the N sets, and each UCI symbol in the i-th set in the N sets has the same time domain interval as the DMRS symbol closest to the UCI symbol, and the N
  • the time-domain interval between the UCI symbol in the i+1 th set and the DMRS symbol closest to the UCI symbol is greater than the time interval between the UCI symbol in the ith set and the DMRS symbol closest to the UCI symbol
  • the time domain interval is large, the N is a positive integer, the i is a positive integer less than or equal to N, the UCI symbol is a symbol used to carry UCI in the third channel, and the DMRS symbol is the third The symbol used to carry the DMRS in the channel; the end position is the end position of the first channel; the processing module 1201 is further configured to demodul
  • the transceiver module 1202 is further configured to send second information to the terminal device, where the second information instructs the terminal device to map the first UCI to set 1 at the end of the on the RE of the symbol preceding the position.
  • the processing module 1201 is configured to determine, when the first channel and the second channel overlap in the time domain, The first uplink control information UCI and the second UCI are sent on three channels, wherein the first channel is used to carry the first UCI, the second channel is used to carry the second UCI, and the first UCI is used to carry the first UCI.
  • the priority of the UCI is higher than the priority of the second UCI; the processing module 1201 is further configured to map the first UCI to the resource element RE of the symbol before the end position in the third channel, so The end position is the end position of the first channel; the transceiver module 1202 is configured to send the first UCI and the second UCI on the third channel.
  • the transceiver module 1202 is further configured to receive third information from a network device, where the third information indicates that the first UCI is mapped to the third channel before the end position on the RE of the symbol.
  • the processing module 1201 is further configured to map the second UCI to REs in the third channel other than those carrying the first UCI.
  • the transceiver module 1202 is used for, when the first channel and the second channel overlap in the time domain, in the third
  • the first uplink control information UCI and the second UCI are received on a channel, wherein the first channel is used to carry the first UCI, the second channel is used to carry the second UCI, and the first UCI is used to carry the first UCI.
  • the priority is higher than the priority of the second UCI; the first UCI is mapped on the resource element RE of the symbol before the end position in the third channel; the end position is the first channel The end position;
  • the processing module 1201 is further configured to demodulate and decode the first UCI and the second UCI.
  • the transceiver module 1202 is further configured to send third information to the terminal device, where the third information instructs the terminal device to map the first UCI to the third channel on the RE of the symbol before the end position.
  • the UCI transmission apparatus 1300 includes a processor 1301 and an interface circuit 1303 .
  • the processor 1301 and the interface circuit 1303 are coupled to each other.
  • the interface circuit 1303 may be a transceiver or an input/output interface.
  • the UCI transmission device 1300 may further include a memory 1302 for storing instructions executed by the processor 1301 or input data required by the processor 1301 to execute the instructions or data generated after the processor 1301 executes the instructions.
  • the processor 1301 is used to implement the function of the above-mentioned processing module 1201
  • the interface circuit 1303 is used to implement the function of the above-mentioned transceiver module 1202 .
  • the terminal device chip When the above UCI transmission device is a chip applied to a terminal device, the terminal device chip implements the functions of the terminal device in the above method embodiments.
  • the terminal device chip receives information from other modules (such as a radio frequency module or an antenna) in the terminal device, and the information is sent by the network device to the terminal device; or, the terminal device chip sends information to other modules (such as a radio frequency module or an antenna) in the terminal device antenna) to send information, the information is sent by the terminal equipment to the network equipment.
  • modules such as a radio frequency module or an antenna
  • the network device chip When the above UCI transmission device is a chip applied to a network device, the network device chip implements the functions of the network device in the above method embodiments.
  • the network device chip receives information from other modules (such as a radio frequency module or an antenna) in the network device, and the information is sent by the terminal device to the network device; or, the network device chip sends information to other modules in the network device (such as a radio frequency module or an antenna). antenna) to send information, the information is sent by the network equipment to the terminal equipment.
  • modules such as a radio frequency module or an antenna
  • the processor in the embodiments of the present application may be a central processing unit (Central Processing Unit, CPU), and may also be other general-purpose processors, digital signal processors (Digital Signal Processor, DSP), application-specific integrated circuits (Application Specific Integrated Circuit, ASIC), Field Programmable Gate Array (Field Programmable Gate Array, FPGA) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof.
  • a general-purpose processor may be a microprocessor or any conventional processor.
  • the method steps in the embodiments of the present application may be implemented in a hardware manner, or may be implemented in a manner in which a processor executes software instructions.
  • Software instructions may be composed of corresponding software modules, and software modules may be stored in random access memory, flash memory, read-only memory, programmable read-only memory, erasable programmable read-only memory, electrically erasable programmable read-only memory memory, registers, hard disk, removable hard disk, CD-ROM or any other form of storage medium known in the art.
  • An exemplary storage medium is coupled to the processor, such that the processor can read information from, and write information to, the storage medium.
  • the storage medium can also be an integral part of the processor.
  • the processor and storage medium may reside in an ASIC.
  • the ASIC may be located in a network device or in an end device.
  • the processor and the storage medium may also exist in the network device or the terminal device as discrete components.
  • the above-mentioned embodiments it may be implemented in whole or in part by software, hardware, firmware or any combination thereof.
  • software it can 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 or instructions.
  • the processes or functions described in the embodiments of the present application are executed in whole or in part.
  • the computer may be a general purpose computer, a special purpose computer, a computer network, network equipment, user equipment, or other programmable apparatus.
  • the computer program or instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer program or instructions may be downloaded from a website, computer, A server or data center transmits by wire or wireless to another website site, computer, server or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server, data center, or the like that integrates one or more available media.
  • the usable media can be magnetic media, such as floppy disks, hard disks, magnetic tapes; optical media, such as digital video discs; and semiconductor media, such as solid-state drives.
  • “at least one” means one or more, and “plurality” means two or more.
  • “And/or”, which describes the relationship of the associated objects, indicates that there can be three kinds of relationships, for example, A and/or B, it can indicate that A exists alone, A and B exist at the same time, and B exists alone, where A, B can be singular or plural.
  • the character “/” generally indicates that the related objects are a kind of "or” relationship; in the formula of this application, the character "/” indicates that the related objects are a kind of "division” Relationship.

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Abstract

本申请实施例提供一种上行控制信息UCI的传输方法及装置。当用于传输高优先级UCI的第一信道和用于传输低优先级UCI的第二信道在时域上重叠时，终端设备确定将高优先级UCI和低优先级UCI复用在第三信道上发送给网络设备。其中，高优先级UCI先被映射到第三信道中离DMRS符号距离较近的符号中的RE上，再被映射到第三信道中离DMRS符号距离较远的符号的RE上，从而提高高优先级UCI的传输可靠性。

Description

一种上行控制信息的传输方法及装置 技术领域
本申请涉及通信技术领域，尤其涉及一种上行控制信息的传输方法及装置。
背景技术
第五代(5th generation，5G)移动通信系统相比于前几代移动通信系统在传输速率、时延及功耗方面都提出了更高的要求，支持多种业务类型、不同部署场景和更宽的频谱范围。增强移动宽带(enhanced mobile broadband，eMBB)，海量机器类型通信(massive machine type mommunication，mMTC)，超可靠低延迟通信(ultra-reliable and low-latency communications，URLLC)是5G通信系统的三大典型应用场景。
通常URLLC业务的优先级高于eMBB业务的优先级，承载URLLC业务数据的信道的优先级也高于承载eMBB业务数据的信道的优先级。当高优先级的信道和低优先级的信道有重叠时，会丢弃低优先级的信道，以保证高优先级信道的性能。例如，高优先级的物理上行控制信道(physical uplink control channel，PUCCH)和低优先级的PUCCH重叠时，则丢弃低优先级的PUCCH。由于丢弃低优先级的信道会影响低优先级业务的性能，因此，当高优先级的信道和低优先级的信道重叠时，如何将高优先级的上行控制信息(uplink control information，UCI)与低优先级的UCI进行复用传输是本领域人员正在解决的技术问题。
发明内容
本申请实施例公开了一种UCI的传输方法及装置，能够将高优先级的UCI和低优先级的UCI进行复用传输，并提高高优先级UCI的传输可靠性。
本申请实施例第一方面公开了一种UCI的传输方法，该方法适用于终端设备或终端设备中的芯片。在第一信道和第二信道在时域上重叠的条件下，终端设备确定在第三信道上向网络设备发送第一UCI和第二UCI，其中，所述第一信道用于承载所述第一UCI，所述第二信道用于承载所述第二UCI，所述第一UCI的优先级高于所述第二UCI的优先级。终端设备将所述第一UCI先映射到集合1中第一符号的资源元素RE上，再映射到所述集合1中第二符号的RE上；所述集合1为N个集合中的一个集合或由所述N个集合中的多个集合组成，所述N个集合中的第i个集合中的每一个UCI符号与离所述UCI符号最近的DMRS符号的时域间隔均相同、且所述N个集合中的第i+1个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔比所述第i个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔大，所述N为正整数，所述i为小于等于N的正整数，所述UCI符号为所述第三信道中用于承载UCI的符号，所述DMRS符号为所述第三信道中用于承载DMRS的符号，所述N为正整数；所述第一符号为所述集合1中在所述第三信道的第一个DMRS符号与最后一个DMRS符号之间的UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的第一个UCI符号、或者为所述集合1中在所述第一个DMRS符号 之后的UCI符号；所述第二符号为所述集合1中除所述第一符号之外的符号。终端设备在所述第三信道上向所述网络设备发送所述第一UCI和所述第二UCI。
在上述方法中，通过将高优先级的UCI先映射到第三信道中离DMRS符号距离较近的符号的RE上，再映射到第三信道中离DMRS符号距离较远的符号的RE上，从而可以提高承载高优先级UCI的符号上的解调性能，进而提高高优先级UCI的传输可靠性。
在又一种可能的实现方式中，所述第一符号为集合2中的符号，所述第二符号为集合3中的符号，所述集合2为所述集合1中在所述第三信道的第一个DMRS符号与最后一个DMRS符号之间的UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的第一个UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的UCI符号，所述集合3为所述集合1中除所述集合2之外的符号。
在又一种可能的实现方式中，所述集合1为所述N个集合中的第一个集合、或者所述集合1为所述N个集合中的第一个集合和第二个集合。
在又一种可能的实现方式中，将所述第一UCI先映射到所述集合1中在结束位置之前的第一符号的RE上，再映射到所述集合1中在所述结束位置之前的第二符号的RE上，所述结束位置为所述第一信道的结束位置。
在上述方法中，通过将所述高优先级UCI映射到结束位置之前的RE上，可以保证高优先级UCI与低优先级UCI复用传输后并不会增加高优先级UCI的时延。
在又一种可能的实现方式中，所述第三信道包括至少1个在所述结束位置之前的DMRS符号。
在上述方法中，通过在结束位置之前，第三信道包括至少1个DMRS符号的方式，能够使得网络设备能够及时对高优先级UCI进行解调和译码，降低高优先级UCI的时延。
在又一种可能的实现方式中，接收来自网络设备的第一信息，所述第一信息指示将所述第一UCI先映射到所述第一符号的RE上，再映射到所述第二符号的RE上。
在又一种可能的实现方式中，将所述第二UCI映射到所述第三信道中除承载所述第一UCI之外的RE上。
本申请实施例第二方面公开了一种UCI的传输方法，该方法适用于网络设备或网络设备中的芯片。网络设备在第一信道和第二信道在时域上重叠的条件下，在第三信道上接收来自终端设备的第一上行控制信息UCI和第二UCI，其中，所述第一信道用于承载所述第一UCI，所述第二信道用于承载所述第二UCI，所述第一UCI的优先级高于所述第二UCI的优先级。其中所述第一UCI先映射在集合1中第一符号的资源元素RE上，再映射在所述集合1中第二符号的RE上；所述集合1为N个集合中的一个集合或由所述N个集合中的多个集合组成，所述N个集合中的第i个集合中的每一个UCI符号与离所述UCI符号最近的DMRS符号的时域间隔均相同、且所述N个集合中的第i+1个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔比所述第i个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔大，所述N为正整数，所述i为小于等于N的正整数，所述UCI符号为所述第三信道中用于承载UCI的符号，所述DMRS符号为所述第三信道中用于承载DMRS的符号；所述第一符号为所述集合1中在所述第三信道的第一个DMRS 符号与最后一个DMRS符号之间的UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的第一个UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的UCI符号；所述第二符号为所述集合1中除所述第一符号之外的符号。网络设备对所述第一UCI和第二UCI进行解调和译码。
在又一种可能的实现方式中，所述第一符号为集合2中的符号，所述第二符号为集合3中的符号，所述集合2为所述集合1中在所述第三信道的第一个DMRS符号与最后一个DMRS符号之间的UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的第一个UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的UCI符号，所述集合3为所述集合1中除所述集合2之外的符号。
在又一种可能的实现方式中，所述集合1为所述N个集合中的第一个集合、或者所述集合1为所述N个集合中的第一个集合和第二个集合。
在又一种可能的实现方式中，所述第一UCI被映射在所述集合1中在结束位置之前的第一符号的RE上，被映射在所述集合1中在所述结束位置之前的第二符号的RE上，所述结束位置为所述第一信道的结束位置。
在又一种可能的实现方式中，所述第三信道包括至少1个在所述结束位置之前的DMRS符号。
在又一种可能的实现方式中，向终端设备发送第一信息，所述第一信息指示所述终端设备将所述第一UCI先映射到所述第一符号的RE上，再映射到所述第二符号的RE上。
在又一种可能的实现方式中，所述第二UCI映射在所述第三信道中除承载所述第一UCI之外的RE上。
关于第二方面或可能的实现方式所带来的技术效果，可参考对于第一方面或相应的实施方式的技术效果的介绍。
本申请实施例第三方面公开了一种UCI的传输装置，该装置可以为终端设备或终端设备中的芯片，该装置包括处理模块和收发模块。处理模块，用于在第一信道和第二信道在时域上重叠的条件下，确定在第三信道上发送第一上行控制信息UCI和第二UCI，其中，所述第一信道用于承载所述第一UCI，所述第二信道用于承载所述第二UCI，所述第一UCI的优先级高于所述第二UCI的优先级。所述处理模块，还用于将所述第一UCI先映射到集合1中第一符号的资源元素RE上，再映射到所述集合1中第二符号的RE上；所述集合1为N个集合中的一个集合或由所述N个集合中的多个集合组成，所述N个集合中的第i个集合中的每一个UCI符号与离所述UCI符号最近的DMRS符号的时域间隔均相同、且所述N个集合中的第i+1个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔比所述第i个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔大，所述N为正整数，所述i为小于等于N的正整数，所述UCI符号为所述第三信道中用于承载UCI的符号，所述DMRS符号为所述第三信道中用于承载DMRS的符号；所述第一符号为所述集合1中在所述第三信道的第一个DMRS符号与最后一个DMRS符号之间的UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的第一个UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的UCI符号；所述第二符号为所述集合1中除所述 第一符号之外的符号。收发模块，用于在所述第三信道上发送所述第一UCI和所述第二UCI。
在又一种可能的实现方式中，所述第一符号为集合2中的符号，所述第二符号为集合3中的符号，所述集合2为所述集合1中在所述第三信道的第一个DMRS符号与最后一个DMRS符号之间的UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的第一个UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的UCI符号，所述集合3为所述集合1中除所述集合2之外的符号。
在又一种可能的实现方式中，所述集合1为所述N个集合中的第一个集合、或者所述集合1为所述N个集合中的第一个集合和第二个集合。
在又一种可能的实现方式中，所述处理模块，还用于将所述第一UCI先映射到所述集合1中在结束位置之前的第一符号的RE上，再映射到所述集合1中在所述结束位置之前的第二符号的RE上，所述结束位置为所述第一信道的结束位置。
在又一种可能的实现方式中，所述第三信道包括至少1个在所述结束位置之前的DMRS符号。
在又一种可能的实现方式中，所述收发模块，还用于接收来自网络设备的第一信息，所述第一信息指示将所述第一UCI先映射到所述第一符号的RE上，再映射到所述第二符号的RE上。
在又一种可能的实现方式中，所述处理模块，还用于将所述第二UCI映射到所述第三信道中除承载所述第一UCI之外的RE上。
关于第三方面或可能的实现方式所带来的技术效果，可参考对于第一方面或相应的实施方式的技术效果的介绍。
本申请实施例第四方面公开了一种UCI的传输装置，该装置可以为网络设备或网络设备中的芯片，该装置包括收发模块和处理模块。收发模块，用于在第一信道和第二信道在时域上重叠的情况下，在第三信道上接收第一上行控制信息UCI和第二UCI，其中，所述第一信道用于承载所述第一UCI，所述第二信道用于承载所述第二UCI，所述第一UCI的优先级高于所述第二UCI的优先级。所述第一UCI先映射在集合1中第一符号的资源元素RE上，再映射在所述集合1中第二符号的RE上；所述集合1为N个集合中的一个集合或由所述N个集合中的多个集合组成，所述N个集合中的第i个集合中的每一个UCI符号与离所述UCI符号最近的DMRS符号的时域间隔均相同、且所述N个集合中的第i+1个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔比所述第i个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔大，所述N为正整数，所述i为小于等于N的正整数，所述UCI符号为所述第三信道中用于承载UCI的符号，所述DMRS符号为所述第三信道中用于承载DMRS的符号；所述第一符号为所述集合1中在所述第三信道的第一个DMRS符号与最后一个DMRS符号之间的UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的第一个UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的UCI符号；所述第二符号为所述集合1中除所述第一符号之外的符号。处理模块，还用于对所述第一UCI和第二UCI进行解调和译码。
在又一种可能的实现方式中，所述第一符号为集合2中的符号，所述第二符号为集合 3中的符号，所述集合2为所述集合1中在所述第三信道的第一个DMRS符号与最后一个DMRS符号之间的UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的第一个UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的UCI符号，所述集合3为所述集合1中除所述集合2之外的符号。
在又一种可能的实现方式中，所述集合1为所述N个集合中的第一个集合、或者所述集合1为所述N个集合中的第一个集合和第二个集合。
在又一种可能的实现方式中，所述第一UCI被映射在所述集合1中在结束位置之前的第一符号的RE上，被映射在所述集合1中在所述结束位置之前的第二符号的RE上，所述结束位置为所述第一信道的结束位置。
在又一种可能的实现方式中，所述第三信道包括至少1个在所述结束位置之前的DMRS符号。
在又一种可能的实现方式中，所述收发模块，还用于向终端设备发送第一信息，所述第一信息指示所述终端设备将所述第一UCI先映射到所述第一符号的RE上，再映射到所述第二符号的RE上。
在又一种可能的实现方式中，所述第二UCI映射在所述第三信道中除承载所述第一UCI之外的RE上。
关于第四方面或可能的实现方式所带来的技术效果，可参考对于第一方面或相应的实施方式的技术效果的介绍。
本申请实施例第五方面公开了一种UCI的传输装置，该装置可以为终端设备或终端设备中的芯片，所述装置包括处理器和接口电路，可选的，所述装置还包括存储器，所述接口电路用于接收来自所述装置之外的其它装置的信号并传输至所述处理器或将来自所述处理器的信号发送给所述装置之外的其它装置，所述处理器通过逻辑电路或执行代码指令用于执行上述第一方面或第一方面的可能的实现方式中所描述的方法。
本申请实施例第六方面公开了一种UCI的传输装置，该装置可以为网络设备或网络设备中的芯片，所述装置包括处理器和接口电路，可选的，所述装置还包括存储器，所述接口电路用于接收来自所述装置之外的其它装置的信号并传输至所述处理器或将来自所述处理器的信号发送给所述装置之外的其它装置，所述处理器通过逻辑电路或执行代码指令用于执行上述第二方面或第二方面的可能的实现方式中所描述的方法。
本申请实施例第七方面公开了一种计算机程序，当所述计算机程序被通信装置执行时，实现上述第一方面、第一方面的可能的实现方式、第二方面或第二方面的可能的实现方式中所描述的方法。
本申请实施例第八方面公开了一种计算机可读存储介质，所述存储介质中存储有计算机程序或指令，当所述计算机程序或指令被通信装置执行时，实现上述第一方面、第一方面的可能的实现方式、第二方面或第二方面的可能的实现方式中所描述的方法。
本申请实施例第九方面公开了一种芯片系统，所述芯片系统包括至少一个处理器，存 储器和接口电路，所述存储器、所述接口电路和所述至少一个处理器通过线路互联，所述至少一个存储器中存储有指令；所述指令被所述处理器执行时，实现上述第一方面、第一方面的可能的实现方式、第二方面或第二方面的可能的实现方式中所描述的方法。
附图说明
图1是本申请实施例提供的一种UCI的传输系统的示意图；
图2是本申请实施例提供的一种PUCCH format 1的格式示意图；
图3是本申请实施例提供的一种PUCCH的格式示意图；
图4是本申请实施例提供的一种PUCCH的格式示意图；
图5是本申请实施例提供的一种按照时间先后的顺序映射高低优先级的HARQ-ACK的示意图；
图6是本申请实施例提供的一种UCI的传输方法的流程示意图；
图7是本申请实施例提供的一种集合划分的示意图；
图8是本申请实施例提供的一种集合划分的示意图；
图9是本申请实施例提供的一种集合划分的示意图；
图10是本申请实施例提供的又一种UCI的传输方法的流程示意图；
图11是本申请实施例提供的又一种UCI的传输方法的流程示意图；
图12是本申请实施例提供的一种UCI的传输装置的结构示意图；
图13是本申请实施例提供的又一种UCI的传输装置的结构示意图。
具体实施方式
下面结合本申请实施例中的附图对本申请实施例进行描述。
请参见图1，图1是本发明实施例提供的一种UCI的传输系统1000的示意图，该系统1000可以包括网络设备1007与终端设备1001、终端设备1002、终端设备1003、终端设备1004、终端设备1005和终端设备1006。应理解，可以应用本申请实施例的方法的通信系统1000中可以包括更多或者更少的网络设备或终端设备。网络设备和终端设备可以是硬件，也可以是从功能上划分的软件或者以上二者的结合。网络设备和终端设备之间可以通过其他设备或网元通信。在本申请实施例中的方法可以应用于图1所示的通信系统1000中。
终端设备也可以称为终端、用户设备(user equipment，UE)、移动台、移动终端等。终端设备可以是手机、平板电脑、带无线收发功能的电脑、虚拟现实终端设备、增强现实终端设备、工业控制中的无线终端、车载无线终端、远程手术中的无线终端、智能电网中的无线终端、运输安全中的无线终端、智慧城市中的无线终端、智慧家庭中的无线终端等等。车载无线终端是指放置在车辆内或安装在车辆内的终端设备，也可以称为车载单元(on-board unit，OBU)。终端设备还可以是可穿戴设备。可穿戴设备也可以称为穿戴式智能设备或智能穿戴式设备，是应用穿戴式技术对日常穿戴进行智能化设计、开发出可以穿戴的设备的总称，如眼镜、手套、手表、服饰及鞋等。终端设备还可以是能够与网络设备进行通信的其它设备，例如中继设备。本申请的实施例对终端设备所采用的具体技术和具 体设备形态不做限定。
网络设备可以是基站(base station)、演进型基站(evolved NodeB，eNodeB)、发送接收点(transmission reception point，TRP)、5G移动通信系统中的下一代基站(next generation NodeB，gNB)、未来移动通信系统中的基站或WiFi系统中的接入节点等；也可以是完成基站部分功能的模块或单元，例如，可以是集中式单元(central unit，CU)，也可以是分布式单元(distributed unit，DU)。本申请的实施例对网络设备所采用的具体技术和具体设备形态不做限定。
在本申请的实施例中，时域符号可以是正交频分复用(orthogonal frequency division multiplexing，OFDM)符号，也可以是离散傅里叶变换扩频OFDM(Discrete Fourier Transform-spread-OFDM，DFT-s-OFDM)符号。如果没有特别说明，本申请实施例中的符号均指时域符号。
可以理解的是，本申请的实施例中，PUCCH和物理上行共享信道(physical uplink shared channel，PUSCH)只是作为上行控制信道和上行数据信道的一种举例，在不同的系统和不同的场景中，数据信道和控制信道可能有不同的名称，本申请的实施例对此并不做限定。
在本申请的实施例中，网络设备的功能也可以由网络设备中的模块(如芯片)来执行，也可以由包含有网络设备功能的控制子系统来执行。这里的包含有网络设备功能的控制子系统可以是智能电网、工厂自动化以及智能交通等工业物联网应用场景中的控制中心。终端设备的功能也可以由终端设备中的模块(如芯片)来执行。
下面对本申请中的部分用语进行解释说明，以便于理解。
(1)PUCCH有5种格式(format)，如表格1所示，分别为PUCCH format 0、PUCCH format 1、PUCCH format 2、PUCCH format 3和PUCCH format 4。其中，PUCCH format 0和PUCCH format 2的符号个数为{1,2}，称为短PUCCH，其它格式的PUCCH的符号个数为{4-14}，称为长PUCCH。具体PUCCH的符号个数是网络设备配置的。针对长PUCCH，PUCCH format 1的解调参考信号(demodulation reference signal，DMRS)在偶数符号上，即PUCCH中的符号0，符号2，符号4等。如图2所示，PUCCH format 1的正交频分复用(orthogonal frequency division multiplexing，OFDM)符号个数为10个，DMRS在偶数符号上，即PUCCH中的符号0，符号2，符号4，符号6和符号8。当DMRS在一个符号上时，DMRS是在该符号的所有资源元素(resource element，RE)上，即PUCCH中符号0，符号2，符号4，符号6和符号8的所有RE上。PUCCH format 3和PUCCH format 4的DMRS所在的符号如表格2所示。在表格2中，是否存在额外(additional)DMRS是高层参数配置的，以及是否跳频(hopping)也是高层配置的。如图3所示，当PUCCH的长度为10，且有4个DMRS符号时，则DMRS在PUCCH的符号1、符号3、符号6和符号8上。如图4所示，当PUCCH的长度为10，且有2个DMRS符号时，则DMRS在PUCCH的符号2、和符号7上。当DMRS在一个符号上时，DMRS也是在该符号的所有RE上。
表格1
Figure PCTCN2020122454-appb-000001
表格2
Figure PCTCN2020122454-appb-000002
(2)UCI包括调度请求(scheduling request，SR)、混合自动重传请求确认(hybrid automatic repeat request acknowledgement，HARQ-ACK)和信道状态信息(channel state information，CSI)等，其中，CSI可以分为两部分：CSI part 1和CSI part 2。UCI可以通过PUCCH来承载，具体是通过PUCCH中的RE来承载，该RE上没有DMRS。
目前，高低优先级UCI复用，例如，高优先级的HARQ-ACK和低优先级的HARQ-ACK复用，当复用在PUCCH上时，考虑高优先级UCI的时延要求比较高，因此将高优先级UCI映射在PUCCH的前面几个符号上，低优先级UCI映射在后几个符号上，即按照PUCCH中符号的先后顺序来承载高低优先级的UCI，如图5所示。当PUCCH的长度为11，且DMRS在PUCCH的符号2和符号7上，那么依次按照符号0、符号1、符号3、符号4、符号5、符号6、符号8、符号9、符号10，即从前到后的顺序映射高优先级的HARQ-ACK和低优先级的HARQ-ACK。通过这样的方式，由于高优先级的UCI中的某些符号，例如符号0和符号4离DMRS比较远，因此可能会影响高优先级的UCI的解调性能，从而降低了高优 先级UCI的传输可靠性。为此，本申请实施例提出了以下解决方案。
图6是本申请实施例提供的一种UCI的传输方法。
S601：在用于承载第一UCI的第一信道和用于承载第二UCI的第二信道在时域上重叠的条件下，终端设备确定在第三信道上发送第一UCI和第二UCI。
具体地，第一信道可以为PUCCH或者PUSCH，第二信道也可以为PUCCH或者PUSCH。该第三信道可以是第一信道或第二信道，也可以一个新的PUCCH或者PUSCH信道(即第三信道的时频资源与第一信道以及第二信道的时频资源不同)。其中，第一UCI的优先级高于第二UCI的优先级。第一UCI的优先级和第二UCI的优先级可以是网络设备通过DCI指示的或者无线资源控制(radio resource control，RRC)信令配置的，例如指示或者配置第一UCI的优先级索引为1，第二UCI的优先级索引为0。
第一信道和第二信道可以是通过DCI调度的，也可以是通过RRC信令配置的。具体的，网络设备可以向终端设备发送第一DCI，用于调度第一信道；或者，网络设备可以向终端设备发送包括第一配置信息的RRC信令，该第一配置信息用于配置第一信道。网络设备可以向终端设备发送第二DCI，用于调度第二信道；或者，网络设备可以向终端设备发送包括第二配置信息的RRC信令，该第二配置信息用于配置第二信道。其中，第一DCI和第二DCI可以是同一个DCI也可以是不同的DCI，包括第一配置信息的RRC信令和包括第二配置信息的RRC信令可以相同也可以不同。
S602：终端设备将第一UCI先映射到集合1中第一符号的RE上，再映射到集合1中第二符号的RE上。
具体地，将第一UCI先映射到集合1中第一符号的RE上，再映射到集合1中第二符号的RE上，也就是说，如果集合1中第一符号的RE能够承载下这些第一UCI，则承载在集合1中第一符号的RE上，如果集合1中第一符号的RE不能够承载下这些第一UCI，但是集合1中第一符号和集合1中第二符号的RE能够承载下这些第一UCI，则承载在集合1中第一符号和集合1中第二符号的RE上。集合1为N个集合中的一个集合或由所述N个集合中的多个集合组成，可选的，集合1可以为N个集合中的任意一个集合，例如第一个集合、或者集合1由N个集合中的任意多个集合组成，例如集合1是由第一个集合和第二个集合组成的。N个集合中的第i个集合中的UCI符号与离UCI符号最近的DMRS符号的时域间隔相同，即将间隔相同的UCI符号划分为一个集合、且N个集合中的第i+1个集合中的UCI符号与DMRS符号的时域间隔比第i个集合中的UCI符号与DMRS符号的时域间隔大，其中，N为正整数，i为小于等于N的正整数。UCI符号为第三信道中用于承载UCI的符号，DMRS符号为所述第三信道中用于承载DMRS的符号。例如，以第三信道为PUCCH为例进行描述。
在一种示例中，如表格3所示，以第三信道为11个符号长度的PUCCH，DMRS为符号2和符号7为例，根据UCI符号与离UCI符号最近的DMRS符号之间的时域间隔将承载UCI的符号划分为3个集合，也就是N为3，每个集合中符号按照符号索引由小到大的顺序排序，每一个集合中符号如图7所示，第一个集合
Figure PCTCN2020122454-appb-000003
包括的符号为符号1、符号3、 符号6和符号8，第二个集合
Figure PCTCN2020122454-appb-000004
包括的符号为符号0、符号4、符号5和符号9，第三个集合
Figure PCTCN2020122454-appb-000005
包括的符号为符号10。其中第一个集合、第二个集合和第三个集合位置排序为第一个集合、第二个集合和第三个集合。第一个集合包括符号1和符号3，这两个符号与最近的DMRS符号(即符号2)间隔1个符号；还包括符号6和符号8，这两个符号与最近的DMRS符号(即符号7)间隔1个符号。第二个集合包括符号0和符号4，这两个符号与符号2间隔2个符号；还包括符号5和符号9，这两个符号与符号7间隔2个符号。第三个集合包括符号10，这个符号与符号7间隔3个符号。也就是第一个集合中符号1和符号3与距离符号1和符号3最近的DMRS符号，也就是符号2的时域间隔、和符号6和符号8与距离符号6和符号8最近的DMRS符号，也就是符号7的时域间隔相同，第二个集合中符号0和符号4与距离符号0和符号4最近的DMRS符号，也就是符号2的时域间隔、和符号5和符号9与距离符号5和符号9最近的DMRS符号，也就是符号7的时域间隔相同。第一个集合
Figure PCTCN2020122454-appb-000006
中UCI符号与DMRS符号的时域间隔比第二个集合
Figure PCTCN2020122454-appb-000007
中UCI符号与DMRS符号的时域间隔小，第二个集合
Figure PCTCN2020122454-appb-000008
中UCI符号与DMRS符号的时域间隔比第三个集合
Figure PCTCN2020122454-appb-000009
中UCI符号与DMRS符号的时域间隔小。其中，集合1可以为任意一个集合，例如第一个集合，集合1可以为任意多个集合，例如第一个集合和第二个集合，第一个集合、第二个集合和第三个集合。
表格3
Figure PCTCN2020122454-appb-000010
Figure PCTCN2020122454-appb-000011
在一种示例中，如上述表格3所示，以7个符号长度的PUCCH，DMRS在符号1和符号4为例，根据UCI符号与离UCI符号最近的DMRS符号之间的时域间隔将承载UCI的符号划分为2个集合，也就是N为2，每个集合中符号按照符号位置由小到大的顺序排序，每一个集合中符号如图8所示，第一个集合
Figure PCTCN2020122454-appb-000012
包括的符号为符号0、符号2、符号3和符号5，第二个集合
Figure PCTCN2020122454-appb-000013
包括的符号为符号6。第一个集合包括符号0和符号2，这两个符号与最近的DMRS符号(即符号1)间隔1个符号；还包括符号3和符号5，这两个符号与最近的DMRS符号(即符号4)间隔1个符号。第二个集合包括符号6，这个符号与符号4间隔2个符号，也就是第一个集合中符号0、符号2与距离符号0、符号2最近的DMRS符号，也就是符号1的时域间隔、与符号3、符号5与距离符号3、符号5最近的DMRS符号，也就是符号4的时域间隔相同，第一个集合中UCI符号与DMRS符号的时域间隔比第二个集合中UCI符号与DMRS符号的时域间隔小。集合1可以为第一个集合，集合1可以为第一个集合和第二个集合。
在一种示例中，如上述表格3所示，以4个符号长度的PUCCH，DMRS在符号0和符号2为例，根据UCI符号与离UCI符号最近的DMRS符号之间的时域间隔将承载UCI的符号划分为1个集合，每个集合中符号按照符号位置由小到大的顺序排序，该1个集合中符号如图9所示，第一个集合包括的符号为符号1和符号3。集合1可以为第一个集合。
具体地，第一符号为集合1中在第三信道的第一个DMRS符号与最后一个DMRS符号之间的UCI符号、或者为集合1中在第三信道的第一个DMRS符号之后的第一个UCI符号、或者为集合1中在第三信道的第一个DMRS符号之后的UCI符号；第二符号为集合1中除所述第一符号之外的符号。第三信道的第一个DMRS符号是指第三信道中时域位置最靠前的一个DMRS符号。当集合1为N个集合中的任意多个集合时，第一符号是针对集合1中的每个集合进行定义。例如，集合1为第一个集合和第二个集合，则针对第一个集合，第一符号为第一个集合中在第三信道的第一个DMRS符号与最后一个DMRS符号之间的UCI符号、或者为第一个集合中在第三信道的第一个DMRS符号之后的第一个UCI符号、或者为第一个集合中在第三信道的第一个DMRS符号之后的UCI符号；第二符号为第一个集合中除所述第一符号之外的符号。针对第二个集合，第一符号为第二个集合中在第三信道的第一个DMRS符号与最后一个DMRS符号之间的UCI符号、或者为第二个集合中在第三信道的第一个DMRS符号之后的第一个UCI符号、或者为第二个集合中在第三信道的第一个DMRS符号之后的UCI符号；第二符号为第二个集合中除所述第一符号之外的符号。
在一种示例中，以第三信道为11个符号长度的PUCCH，DMRS符号为符号2和符号7为例，也就是说第三信道的第一个DMRS符号为符号2，根据上述描述将第三信道中UCI符号划分为3个集合，分别为：第一个集合包括的符号为符号1、符号3、符号6和符号8，即表格3中的
Figure PCTCN2020122454-appb-000014
第二个集合包括的符号为符号0、符号4、符号5和符号9，即表格3中的
Figure PCTCN2020122454-appb-000015
第三个集合包括的符号为符号10，即表格3中的
Figure PCTCN2020122454-appb-000016
第一种情况：以集合1为第一个集合，第一符号为集合1中在所述第三信道的第一个DMRS符号和最后一个DMRS符号之间的UCI符号为例，那么第一符号为符号3和符号6，第一UCI先映射到集合1中第一符号的RE上，再映射到集合1中第二符号的RE上，其中，集合1中第一符号为符号3和符号6，集合1中的第二符号为符号1和符号8，也就是说第一UCI先映射到符号3和符号6的RE上，再映射到符号1和符号8的RE上。如果第一UCI不够将符号3、符号6、符号1和符号8的RE占满，则可以优先放在前面的符号，例如符号3、符号6和符号1的RE占满，符号8上的RE不占满。也可以将第一UCI均匀的放在符号3、符号6、符号1和符号8的RE上，即符号3、符号6、符号1和符号8的RE上都不占满。
第二种情况：以集合1为第一个集合和第二个集合，第一符号为集合1中在所述第三信道的第一个DMRS符号和最后一个DMRS符号之间的UCI符号为例，针对第一个集合，第一符号和第二符号和第一种情况类似，在此不再进行描述。针对第二个集合，第一符号为符号4、符号5，第二符号为符号0和符号9。第一UCI先映射到集合1中第一符号的RE上，再映射到集合1中第二符号的RE上，也就是说第一UCI先映射到第一个集合中第一符号的RE上，再映射到第一个集合中第二符号的RE上，再映射到第二个集合中第一符号的RE上，再映射到第二个集合中第二符号的RE上，其中，第一个集合中第一符号为符号3和符号6，第一个集合中的第二符号为符号1和符号8，第二个集合中第一符号为符号4和符号5，第二个集合中的第二符号为符号0和符号9，也就是说第一UCI先映射到符号3和符号6的RE上，再映射到符号1和符号8的RE上，再映射到符号4和符号5的RE上，再映射到符号0和符号9的RE上。如果第一UCI不够将符号4、符号5、符号0和符号9的RE占满，则可以优先放在前面的符号，例如符号4、符号5和符号0的RE占满，符号9上的RE不占满。也可以将第一UCI均匀的放在符号4、符号5、符号0和符号9的RE上，即符号4、符号5、符号0和符号9的RE上都不占满。
第三种情况，以集合1为第一个集合，第一符号为集合1中在所述第三信道的第一个DMRS符号之后的第一个UCI符号为例，第一UCI先映射到集合1中第一符号的RE上，再映射到集合1中第二符号的RE上，其中，集合1中第一符号为符号3，集合1中的第二符号为符号1、符号6和符号8，也就是说第一UCI先映射到符号3的RE上，再映射到符号1、符号6和符号8的RE上。如果第一UCI不够将符号3、符号1、符号6和符号8的RE占满，则可以优先放在前面的符号，例如符号3、符号1和符号6的RE占满，符号8上的RE不占满。也可以将第一UCI均匀的放在符号3、符号1、符号6和符号8的RE上，即符号3、符号1、符号6和符号8的RE上都不占满。
第四种情况，以集合1为第一个集合和第二个集合，第一符号为集合1中在所述第三信道的第一个DMRS符号之后的第一个UCI符号为例，第一UCI先映射到集合1中第一符号的RE上，再映射到集合1中第二符号的RE上，也就是说第一UCI先映射到第一个集合中第一符号的RE上，再映射到第一个集合中第二符号的RE上，再映射到第二个集合中第一符号的RE上，再映射到第二个集合中第二符号的RE上，其中，第一个集合中第一符号为符号3，第一个集合中的第二符号为符号1、符号6和符号8，第二个集合中第一符号为符号4，第二个集合中的第二符号为符号0、符号5和符号9，也就是说第一UCI先映射到符号3的RE上，再映射到符号1、符号6和符号8的RE上，再映射到符号4的RE上，再映射到符号0、符号5和符号9的RE上。如果第一UCI不够将符号4、符号0、符号5和符号9的RE占满，则可以优先放在前面的符号，例如符号4、符号0和符号5的RE占满，符号9上的RE不占满。也可以将第一UCI均匀的放在符号4、符号0、符号5和符号9的RE上，即符号4、符号0、符号5和符号9的RE上都不占满。
第五种情况，以集合1为第一个集合，第一符号为集合1中在所述第三信道的第一个DMRS符号之后的UCI符号为例，第一UCI先映射到集合1中第一符号的RE上，再映射到集合1中第二符号的RE上，其中，集合1中第一符号为符号3、符号6和符号8，集合1中的第二符号为符号1，也就是说第一UCI先映射到符号3、符号6和符号8的RE上，再映射到符号1的RE上。如果第一UCI不够将符号3、符号6、符号8和符号1的RE占满，则可以优先放在前面的符号，例如符号3、符号6和符号8的RE占满，符号1上的RE不占满。也可以将第一UCI均匀的放在符号3、符号6、符号8和符号1的RE上，即符号3、符号6、符号8和符号1的RE上都不占满。
第六种情况，以集合1为第一个集合和第二个集合，第一符号为集合1中在所述第三信道的第一个DMRS符号之后的UCI符号为例，第一UCI先映射到集合1中第一符号的RE上，再映射到集合1中第二符号的RE上，也就是说第一UCI先映射到第一个集合中第一符号的RE上，再映射到第一个集合中第二符号的RE上，再映射到第二个集合中第一符号的RE上，再映射到第二个集合中第二符号的RE上，其中，第一个集合中第一符号为符号3、符号6和符号8，第一个集合中的第二符号为符号1，第二个集合中第一符号为符号4、符号5和符号9，第二个集合中的第二符号为符号0，也就是说第一UCI先映射到符号3、符号6和符号8的RE上，再映射到符号1的RE上，再映射到符号4、符号5和符号9的RE上，再映射到符号0的RE上。如果第一UCI不够将符号4、符号5、符号9和符号0的RE占满，则可以优先放在前面的符号，例如符号4、符号5和符号9的RE占满，符号0上的RE不占满。也可以将第一UCI均匀的放在符号4、符号5、符号9和符号0的RE上，即符号4、符号5、符号9和符号0的RE上都不占满。
通过改变集合中承载第一UCI的符号的先后顺序的方式，能够根据DMRS符号的位置，保证第一UCI的性能，也就是高优先级的UCI距离最近的DMRS比较近，从而保证第一UCI的性能，提升第一UCI的可靠性，而且，通过第一UCI和第二UCI在第三信道上复用的方式，能够减少信令开销。
在一种可能的实现方式中，第一符号为集合2中的符号，第二符号为集合3中的符号， 集合2为集合1中在第三信道的第一个DMRS符号与最后一个DMRS符号之间的UCI符号、或者为集合1中在第一个DMRS符号之后的第一个UCI符号、或者为集合1中在第一个DMRS符号之后的UCI符号，集合3为集合1中除集合2之外的符号。
具体地，也就是集合2和集合3中的符号构成了集合1中的符号。
在一种示例中，以第三信道为11个符号长度的PUCCH，DMRS为符号2和符号7为例，也就是说第三信道的第一个DMRS符号为符号2，根据上述描述将第三信道中UCI符号划分为3个集合，分别为：第一个集合包括的符号为符号1、符号3、符号6和符号8，第二个集合包括的符号为符号0、符号4、符号5和符号9，第三个集合包括的符号为符号10。
第一种情况：以集合2包括集合1中解调参考信号DMRS符号之间的符号，集合3包括集合1中除DMRS符号之间的符号之外的符号、且集合2的位置在集合3的位置之前为例，假设集合1为第一个集合，第一个集合包括的符号为符号1、符号3、符号6和符号8，由于集合2和集合3构成集合1，其中，集合2包括集合1中解调参考信号DMRS符号之间的符号，集合3包括集合1中除DMRS符号之间的符号之外的符号、且集合2的位置在集合3的位置之前，那么集合2为符号3和符号6，也就是第一符号为符号3和符号6，集合3为符号1和符号8，也就是第二符号为符号1和符号8,那么终端设备将第一UCI先映射到集合1中第一符号的RE上，再映射到集合1中第二符号的RE上，也就是将第一UCI先映射到集合2中的UCI符号的RE上，再映射到集合3中的UCI符号的RE上，由于集合2为符号3和符号6，集合3为符号1和符号8，那么将第一UCI先映射到符号3和符号6的RE上，再映射到符号1和符号8的RE上。如果第一UCI不够将符号3、符号6、符号1和符号8的RE占满，则可以优先放在前面的符号，例如符号3、符号6和符号1的RE占满，符号8上的RE不占满。也可以将第一UCI均匀的放在符号3、符号6、符号1和符号8的RE上，即符号3、符号6、符号1和符号8的RE上都不占满。
第二种情况：以集合2包括集合1中解调参考信号DMRS符号之间的符号，集合3包括集合1中除DMRS符号之间的符号之外的符号、且集合2的位置在集合3的位置之前为例，假设集合1为第一个集合和第二个集合，第一个集合包括的符号为符号1、符号3、符号6和符号8，第二个集合包括的符号为符号0、符号4、符号5和符号9，由于集合2和集合3构成集合1，其中，集合2为集合1中解调参考信号DMRS符号之间的符号，集合3包括集合1中除DMRS符号之间的符号之外的符号、且集合2的位置在集合3的位置之前。也就是说在第一个集合中，集合2包括符号3和符号6，集合3包括符号1和符号8；也就是说在第二个集合中，集合2包括符号4和符号5，集合3包括符号0和符号9；终端设备将第一UCI先映射到集合1中第一符号的RE上，再映射到集合1中第二符号的RE上，也就是将第一UCI先映射到集合2中的UCI符号的RE上，再映射到集合3中的UCI符号的RE上，由于在第一个集合中，集合2包括符号3和符号6，集合3包括符号1和符号8；在第二个集合中，集合2包括符号4和符号5，集合3包括符号0和符号9，那么将第一UCI映射到符号3和符号6的RE上，再映射到符号1和符号8的RE上；然后映射到符号4和符号5，再映射到符号0和符号9的RE上。如果第一UCI不够将符号4、符号5、符号0和符号9的RE占满，则可以优先放在前面的符号，例如符号4、符号5和符号 0的RE占满，符号9上的RE不占满。也可以将第一UCI均匀的放在符号4、符号5、符号0和符号9的RE上，即符号4、符号5、符号0和符号9的RE上都不占满。
第三种情况：以集合2包括集合1中DMRS符号之后的一个符号，集合3包括集合1中除DMRS符号之后的一个符号之外的符号、且集合2的位置在集合3的位置之前为例，假设集合1为第一个集合，第一个集合包括的符号为符号1、符号3、符号6和符号8，由于集合2和集合3构成集合1，其中，集合2为集合1中DMRS符号之后的一个符号，集合3包括集合1中除DMRS符号之后的一个符号之外的符号、且集合2的位置在集合3的位置之前，那么集合2为符号3，集合3为符号1、和符号6和符号8，终端设备将第一UCI先映射到集合1中第一符号的RE上，再映射到集合1中第二符号的RE上，也就是将第一UCI先映射到集合2中的UCI符号的RE上，再映射到集合3中的UCI符号的RE上，由于集合2为符号3，集合3为符号1、和符号6和符号8，那么终端设备将第一UCI先映射到符号3的RE上，再映射到符号1、符号6和符号8的RE上。如果第一UCI不够将符号3、符号1、符号6和符号8的RE占满，则可以优先放在前面的符号，例如符号3、符号1和符号6的RE占满，符号8上的RE不占满。也可以将第一UCI均匀的放在符号3、符号1、符号6和符号8的RE上，即符号3、符号1、符号6和符号8的RE上都不占满。
第四种情况：以集合2包括集合1中DMRS符号之后的一个符号，集合3包括集合1中除DMRS符号之后的一个符号之外的符号、且集合2的位置在集合3的位置之前为例，假设集合1为第一个集合和第二个集合，第一个集合包括的符号为符号1、符号3、符号6和符号8，第二个集合包括的符号为符号0、符号4、符号5和符号9，由于集合2和集合3构成集合1，其中，集合2为集合1中DMRS符号之后的一个符号，集合3包括集合1中除DMRS符号之后的一个符号之外的符号、且集合2的位置在集合3的位置之前。也就是说，在第一个集合中，集合2包括的符号为符号3，集合3包括符号1、符号6和符号8；在第二个集合中，集合2包括的符号为符号4，集合3包括的符号为符号0、符号5和符号9；终端设备将第一UCI先映射到集合1中第一符号的RE上，再映射到集合1中第二符号的RE上，也就是将第一UCI先映射到集合2中的UCI符号的RE上，再映射到集合3中的UCI符号的RE上，由于在第一个集合中，集合2包括的符号为符号3，集合3包括符号1、符号6和符号8；在第二个集合中，集合2包括的符号为符号4，集合3包括的符号为符号0、符号5和符号9；那么终端设备将第一UCI映射到符号3的RE上，再映射到符号1、符号6和符号8的RE上；然后映射到符号4，再映射到符号0、符号5和符号9的RE上。如果第一UCI不够将符号4、符号0、符号5和符号9的RE占满，则可以优先放在前面的符号，例如符号4、符号0和符号5的RE占满，符号9上的RE不占满。也可以将第一UCI均匀的放在符号4、符号0、符号5和符号9的RE上，即符号4、符号0、符号5和符号9的RE上都不占满。
在一种可能的实现方式中，终端设备将第一UCI先映射到集合1中在结束位置之前的第一符号的RE上，再映射到集合1中在所述结束位置之前的第二符号的RE上。
具体地，该结束位置为第一信道的结束位置，也就是未进行第一UCI和第二UCI复用时第一信道的结束位置，在一种示例中，第一信道的结束位置在第三信道的符号5上，也 就是说第一信道的结束位置在第三信道的结束符号之前。在结束位置之前可以包括结束位置的符号，例如，结束位置在符号5上，在结束位置之前包括符号5，也可以不包括结束位置。
在一种示例中，以第三信道为11个符号长度的PUCCH，DMRS为符号2和符号7为例，也就是说第三信道的第一个DMRS符号为符号2，根据上述描述将第三信道中UCI符号划分为3个集合，分别为：第一个集合包括的符号为符号1、符号3、符号6和符号8，第二个集合包括的符号为符号0、符号4、符号5和符号9，第三个集合包括的符号为符号10。
第一种情况：以集合1为第一个集合，第一符号为集合1中在所述第三信道的第一个DMRS符号和最后一个DMRS符号之间的UCI符号，结束位置为符号5为例，第一UCI先映射到集合1中在结束位置之前的第一符号的RE上，再映射到集合1中在所述结束位置之前的第二符号的RE上，其中，集合1中在结束位置之前的第一符号为符号3，集合1中在结束位置之前的第二符号为符号1，那么第一UCI先映射到符号3的RE上，再映射到符号1的RE上。
第二种情况：以集合1为第一个集合和第二个集合，第一符号为集合1中在所述第三信道的第一个DMRS符号和最后一个DMRS符号之间的UCI符号，结束位置为符号5为例，第一UCI先映射到集合1中在结束位置之前的第一符号的RE上，再映射到集合1中在所述结束位置之前的第二符号的RE上，也就是说第一UCI先映射到第一个集合中在结束位置之前的第一符号的RE上，再映射到第一个集合中在结束位置之前的第二符号的RE上，再映射到第二个集合中在结束位置之前的第一符号的RE上，再映射到第二个集合中在结束位置之前的第二符号的RE上，其中，第一个集合中在结束位置之前的第一符号为符号3，第一个集合中在结束位置之前的第二符号为符号1，第二个集合中在结束位置之前的第一符号为符号4，第二个集合中在结束位置之前的第二符号为符号0，也就是说第一UCI先映射到符号3的RE上，再映射到符号1的RE上，再映射到符号4的RE上，再映射到符号0的RE上。
通过上述方式，通过将高优先级的UCI先映射到第三信道中离DMRS符号距离较近的符号的RE上，再映射到第三信道中离DMRS符号距离较远的符号的RE上，从而可以提高承载高优先级UCI的符号上的解调性能，进而提高高优先级UCI的传输可靠性。
在一种可能的实现方式中，第三信道包括至少1个在结束位置之前的DMRS符号。
在一种示例中，结束位置在符号5上，第三信道以11个符号长度的PUCCH，DMRS为符号2和符号7为例，符号2在符号5之前，在结束位置之前，第三信道中包括至少1个DMRS符号。
在一种示例中，结束位置在第三信道中最后一个DMRS之后。例如，第三信道是11个符号长度的PUCCH，DMRS在符号2和符号7上，结束位置在符号8。如果结束位置在最后一个DMRS之前，则不进行高低优先级UCI的复用。或者，在结束位置之前如果没有DMRS符号则不进行高低优先级的复用。
通过在结束位置之前，第三信道包括至少1个DMRS符号的方式，能够使得网络设备 能够及时对高优先级UCI进行解调和译码，降低高优先级UCI的时延。
在一种可能的实现方式中，终端设备接收来自网络设备的第一信息，该第一信息用于指示将第一UCI先映射到第一符号的RE上，再映射到该第二符号的RE上。也就是说将高优先级的UCI先映射到第一符号的RE上，再映射到该第二符号的RE上。
具体地，该第一信息还可以用于指示第一UCI按照时间先后顺序映射，即时间上靠前的符号先进行映射，或者理解为符号索引小的符号先进行映射。在一种示例中，当以第三信道为PUCCH的长度为11，且DMRS在PUCCH的符号2和符号7上，那么第一UCI依次映射在符号0、符号1、符号3、符号4、符号5、符号6、符号8、符号9、符号10的RE上。
在一种示例中，该第一信息可以为一个比特，当该比特为1时，该第一信息用于指示所述第一UCI先映射到第一符号的RE上，再映射到所述第二符号的RE上；当该比特为0时，该第一信息用于指示第一UCI按照时间先后顺序映射。
在一种示例中，该第一信息还可以用于指示映射方式，即指示是第一映射方式还是第二映射方式。第一映射方式可以如前所述的时间先后顺序进行映射，第二映射方式为靠近DMRS进行映射，具体是按照表格3的方式进行映射。
通过上述方法，网络设备可以根据传输可靠性和时延确定选择不同的映射方式，从而向终端设备发送第一信息，通过第一信息指示终端设备采取哪种映射方式，相应的，终端设备可以通过接收网络设备的第一信息，确定采取哪种映射方式进行映射，更加灵活。
在一种可能的实现方式中，终端设备接收来自网络设备的指示信息，该指示信息用于指示在第三信道中的第一个DMRS之前的符号是否可以映射第一UCI，当然，除了网络设备向终端设备发送指示信息的方式通知终端设备在三信道中的第一个DMRS之前的符号是否可以映射第一UCI，也可以通过高层配置的方式来实现。
在一种可能的实现方式中，将第二UCI映射到该第三信道中除承载该第一UCI之外的RE上。也就是说将第二UCI映射到第三信道中除承载第一UCI和DMRS之外的RE上，也就是说将低优先级的UCI映射到第三信道中除承载高优先级UCI和DMRS之外的RE上。
在一种示例中，以第三信道为11个符号长度的PUCCH，DMRS为符号2和符号7为例，第一个集合包括的符号为符号1、符号3、符号6和符号8，第二个集合包括的符号为符号0、符号4、符号5和符号9，第三个集合包括的符号为符号10。以第一UCI先映射到集合1中第一符号的RE上，再映射到集合1中第二符号的RE上，第一符号为集合1中在所述第三信道的第一个DMRS符号和最后一个DMRS符号之间的UCI符号为例，也就是说第一UCI先映射到符号3和符号6的RE上，再映射到符号1和符号8的RE上，如果第一UCI正好将符号3、符号6、符号1和符号8的RE占满，那么第二UCI映射到符号0、符号4、符号5、符号9和符号10的RE上。如果均匀的放在符号3、符号6、符号1和符号8的RE上，即符号3、符号6、符号1和符号8的RE上都不占满，那么第二UCI先映射到符号3、符号6、符号1和符号8中除承载第一UCI之外的RE中，再映射到符号 0、符号4、符号5、符号9和符号10的RE上。也就是说符号3、符号6、符号1和符号8上部分RE承载第一UCI，部分RE承载第二UCI。
步骤S603：终端设备在第三信道上向网络设备发送第一UCI和第二UCI。
步骤S604：网络设备在第三信道上接收来自终端设备的第一UCI和第二UCI、并对第一UCI和第二UCI进行解调和译码。
图10是本申请实施例提供的又一种UCI的传输方法。
步骤S1001：在用于承载第一UCI的第一信道和用于承载第二UCI的第二信道在时域上重叠的条件下，终端设备确定在第三信道上发送第一UCI和第二UCI。
具体可以参考步骤S601，此处不再赘述。
步骤S1002：终端设备将第一UCI映射到集合1中在结束位置之前的符号的RE上。具体地，对于集合1和结束位置的相关解释可以参考步骤S602，此处不再赘述。
在一种示例中，以第三信道为11个符号长度的PUCCH，DMRS为符号2和符号7为例，也就是说第三信道的第一个DMRS符号为符号2，根据上述描述将第三信道中UCI符号划分为3个集合，分别为：第一个集合包括的符号为符号1、符号3、符号6和符号8，第二个集合包括的符号为符号0、符号4、符号5和符号9，第三个集合包括的符号为符号10。
第一种情况：以集合1为第一个集合，结束位置为符号5为例，第一个集合包括的符号为符号1、符号3、符号6和符号8，第一个集合结束位置之前的符号为符号1和符号3，将第一UCI映射到集合1中在结束位置之前的符号的RE上，也就是第一UCI先映射到符号1和符号3的RE上。
第二种情况：以集合1为第一个集合和第二个集合，结束位置为符号5为例，第一个集合包括的符号为符号1、符号3、符号6和符号8，第一个集合结束位置之前的符号为符号1和符号3，第二个集合包括的符号为符号0、符号4、符号5和符号9，第二个集合结束位置之前的符号为符号0和符号4，将第一UCI映射到集合1中在结束位置之前的符号的RE上，也就是第一UCI先映射到符号1和符号3的RE上，再映射到符号0和符号4的RE上。
在一种可能的实现方式中，第三信道包括至少1个在结束位置之前的DMRS符号。具体，可以参考步骤S602，此处不再赘述。
在一种可能的实现方式中，终端设备接收来自网络设备的第二信息，该第二信息用于指示将第一UCI映射到集合1中在结束位置之前的符号的RE上。也就是说将高优先级的UCI映射到集合1中在结束位置之前的符号的RE上。具体，可以参考步骤S602，此处不再赘述。
在一种可能的实现方式中，终端设备接收来自网络设备的指示信息，该指示信息用于指示在第三信道中的第一个DMRS之前的符号是否可以映射第一UCI，当然，除了网络设备向终端设备发送指示信息的方式通知终端设备在三信道中的第一个DMRS之前的符号是否可以映射第一UCI，也可以通过高层配置的方式来实现。
在一种可能的实现方式中，将第二UCI映射到该第三信道中除承载该第一UCI之外的RE上。也就是说将第二UCI映射到第三信道中除承载第一UCI和DMRS之外的RE上，也就是说将低优先级的UCI映射到第三信道中除承载高优先级UCI和DMRS之外的RE上。
在一种示例中，以第三信道为11个符号长度的PUCCH，DMRS为符号2和符号7为例，第一个集合包括的符号为符号1、符号3、符号6和符号8，第二个集合包括的符号为符号0、符号4、符号5和符号9，第三个集合包括的符号为符号10。
以第一UCI映射到集合1中在结束位置之前的符号的RE上，集合1为第一个集合为例，第一个集合中在结束位置之前的符号为符号1和符号3，也就是说第一UCI映射到符号1和符号3的RE上，如果第一UCI正好将符号1、符号3的RE占满，那么第二UCI映射到符号6和符号8。如果均匀的放在符号1和符号3的RE上，即符号1和符号3的RE上都不占满，那么第二UCI先映射到符号1和符号3中除承载第一UCI之外的RE中，再映射到符号6和符号8的RE上。也就是说符号1和符号3上部分RE承载第一UCI，部分RE承载第二UCI。
以第一UCI映射到集合1中在结束位置之前的符号的RE上，集合1为第一个集合和第二个集合为例，第一个集合中在结束位置之前的符号为符号1和符号3，第二个集合在结束位置之前的符号为符号0和符号4，也就是说第一UCI先映射到符号1和符号3的RE上，再映射到符号0和符号4的RE上。如果第一UCI正好将符号1、符号3、符号0和符号4的RE占满，那么第二UCI映射到符号6、符号8、符号5和符号9的RE上。如果均匀的放在符号1、符号3、符号0和符号4的RE上，即符号1、符号3、符号0和符号4的RE上都不占满，那么第二UCI先映射到符号1、符号3、符号0和符号4中除承载第一UCI之外的RE中，再映射到符号6、符号8、符号5和符号9的RE上。也就是说符号1、符号3、符号0和符号4上部分RE承载第一UCI，部分RE承载第二UCI。
在上述方法中，如果在结束位置之前的资源不足以承载高优先级UCI，则放弃本次高优先级UCI与低优先级UCI的复用传输，只在第一信道上发送高优先级UCI，而不发送低优先级UCI。
步骤S1003-步骤S1004可以参考步骤S603-步骤S604，此处不再赘述。
图11是本申请实施例提供的又一种UCI的传输方法。
步骤S1101：在用于承载第一UCI的第一信道和用于承载第二UCI的第二信道在时域上重叠的条件下，终端设备确定在第三信道上发送第一UCI和第二UCI。
具体可以参考步骤S601，此处不再赘述。
步骤S1102：终端设备将第一UCI映射到第三信道中在结束位置之前的符号的RE上。
具体地，对于结束位置的相关解释可以参考步骤S602，此处不再赘述。
在一种示例中，以第三信道为11个符号长度的PUCCH，DMRS为符号2和符号7为例，也就是说第三信道的第一个DMRS符号为符号2，结束位置为符号5为例，当第三信道中在结束位置之前的符号包括符号5时，在结束位置之前的符号为符号0、符号1、符号3、符号4和符号5，终端设备将第一UCI映射到第三信道中在结束位置之前的符号的RE 上，也就是终端设备将第一UCI映射在符号0、符号1、符号3、符号4和符号5的RE上；当第三信道中在结束位置之前的符号不包括符号5时，在结束位置之前的符号为符号0、符号1、符号3和符号4，终端设备将第一UCI映射到第三信道中在结束位置之前的符号的RE上，也就是终端设备将第一UCI映射在符号0、符号1、符号3和符号4的RE上。
在一种可能的实现方式中，第三信道包括至少1个在结束位置之前的DMRS符号。具体，可以参考步骤S602，此处不再赘述。
在一种可能的实现方式中，终端设备接收来自网络设备的第三信息，该第三信息用于指示将第一UCI映射到第三信道中在结束位置之前的符号的RE上。也就是说将高优先级的UCI映射到第三信道中在结束位置之前的符号的RE上。具体，可以参考步骤S602，此处不再赘述。
在一种可能的实现方式中，终端设备接收来自网络设备的指示信息，该指示信息用于指示在第三信道中的第一个DMRS之前的符号是否可以映射第一UCI，当然，除了网络设备向终端设备发送指示信息的方式通知终端设备在三信道中的第一个DMRS之前的符号是否可以映射第一UCI，也可以通过高层配置的方式来实现。
在一种可能的实现方式中，将第二UCI映射到该第三信道中除承载该第一UCI之外的RE上。也就是说将第二UCI映射到第三信道中除承载第一UCI和DMRS之外的RE上，也就是说将低优先级的UCI映射到第三信道中除承载高优先级UCI和DMRS之外的RE上。
在一种示例中，以第三信道为11个符号长度的PUCCH，DMRS为符号2和符号7为例，假设第一UCI映射在符号0、符号1、符号3和符号4的RE上，且符号0、符号1、符号3和符号4的RE都占满，则终端设备将第二UCI映射在符号5、符号6、符号8、符号9和符号10的RE上。
在上述方法中，如果在结束位置之前的资源不足以承载高优先级UCI，则放弃本次高优先级UCI与低优先级UCI的复用传输，只在第一信道上发送高优先级UCI，而不发送低优先级UCI。
步骤S1103-步骤S1104可以参考步骤S603-步骤S604，此处不再赘述。
在上述图6、图10和图11所示的实施例中都以第三信道为PUCCH为例进行说明，具体第三信道也可以为PUSCH，可以参考第三信道为PUCCH为例进行描述，此处不再赘述。
可以理解的是，为了实现上述实施例中功能，网络设备和终端设备包括了执行各个功能相应的硬件结构和/或软件模块。本领域技术人员应该很容易意识到，结合本申请中所公开的实施例描述的各示例的单元及方法步骤，本申请能够以硬件或硬件和计算机软件相结合的形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用场景和设计约束条件。
图12和图13为本申请的实施例提供的可能的UCI的传输装置的结构示意图。这些UCI的传输装置可以用于实现上述方法实施例中终端设备或网络设备的功能，因此也能实现上述方法实施例所具备的有益效果。在本申请的实施例中，该UCI的传输装置可以是如图1所示的终端设备1001-终端设备1006，也可以是如图1所示的网络设备1007，还可以是应用于终端设备或网络设备的模块(如芯片)。
如图12所示，UCI的传输装置1200包括处理模块1201和收发模块1202。UCI的传输装置1200用于实现上述图6、图10或图11中所示的方法实施例中终端设备或网络设备的功能。
当UCI的传输装置1200用于实现图6所示的方法实施例中终端设备的功能时：处理模块1201，用于在第一信道和第二信道在时域上重叠的情况下，确定在第三信道上发送第一上行控制信息UCI和第二UCI，其中，所述第一信道用于承载所述第一UCI，所述第二信道用于承载所述第二UCI，所述第一UCI的优先级高于所述第二UCI的优先级；所述处理模块1201，还用于将所述第一UCI先映射到集合1中第一符号的资源元素RE上，再映射到所述集合1中第二符号的RE上；所述集合1为N个集合中的一个集合或由所述N个集合中的多个集合组成，所述N个集合中的第i个集合中的每一个UCI符号与离所述UCI符号最近的DMRS符号的时域间隔均相同、且所述N个集合中的第i+1个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔比所述第i个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔大，所述N为正整数，所述i为小于等于N的正整数，所述UCI符号为所述第三信道中用于承载UCI的符号，所述DMRS符号为所述第三信道中用于承载DMRS的符号；所述第一符号为所述集合1中在所述第三信道的第一个DMRS符号与最后一个DMRS符号之间的UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的第一个UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的UCI符号；所述第二符号为所述集合1中除所述第一符号之外的符号；收发模块1202，用于在所述第三信道上发送所述第一UCI和所述第二UCI。
在又一种可能的实现方式中，所述处理模块1201，还用于将所述第一UCI先映射到所述集合1中在结束位置之前的第一符号的RE上，再映射到所述集合1中在所述结束位置之前的第二符号的RE上，所述结束位置为所述第一信道的结束位置。
在又一种可能的实现方式中，所述收发模块1202，还用于接收来自网络设备的第一信息，所述第一信息指示将所述第一UCI先映射到所述第一符号的RE上，再映射到所述第二符号的RE上。
在又一种可能的实现方式中，所述处理模块1201，还用于将所述第二UCI映射到所述第三信道中除承载所述第一UCI之外的RE上。
有关上述处理模块1201和收发单元1202更详细的描述可以直接参考图6所示的方法实施例中相关描述直接得到，这里不加赘述。
当UCI的传输装置1200用于实现图6所示的方法实施例中网络设备的功能时：收发模块1202，用于在第一信道和第二信道在时域上重叠的情况下，在第三信道上接收第一上行控制信息UCI和第二UCI，其中，所述第一信道用于承载所述第一UCI，所述第二信道用于承载所述第二UCI，所述第一UCI的优先级高于所述第二UCI的优先级；所述第一UCI先映射在集合1中第一符号的资源元素RE上，再映射在所述集合1中第二符号的RE上；所述集合1为N个集合中的一个集合或由所述N个集合中的多个集合组成，所述N个集合中的第i个集合中的每一个UCI符号与离所述UCI符号最近的DMRS符号的时域间隔均相同、且所述N个集合中的第i+1个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔比所述第i个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时 域间隔大，所述N为正整数，所述i为小于等于N的正整数，所述UCI符号为所述第三信道中用于承载UCI的符号，所述DMRS符号为所述第三信道中用于承载DMRS的符号；所述第一符号为所述集合1中在所述第三信道的第一个DMRS符号与最后一个DMRS符号之间的UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的第一个UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的UCI符号；所述第二符号为所述集合1中除所述第一符号之外的符号；处理模块1201，还用于对所述第一UCI和第二UCI进行解调和译码。
在又一种可能的实现方式中，所述收发模块1202，还用于向终端设备发送第一信息，所述第一信息指示所述终端设备将所述第一UCI先映射到所述第一符号的RE上，再映射到所述第二符号的RE上。
有关上述处理模块1201和收发模块1202更详细的描述可以直接参考图6所示的方法实施例中相关描述直接得到，这里不加赘述。
当UCI的传输装置1200用于实现图10所示的方法实施例中终端设备的功能时：处理模块1201，用于在第一信道和第二信道在时域上重叠的情况下，确定在第三信道上发送第一上行控制信息UCI和第二UCI，其中，所述第一信道用于承载所述第一UCI，所述第二信道用于承载所述第二UCI，所述第一UCI的优先级高于所述第二UCI的优先级；所述处理模块1201，还用于将所述第一UCI映射到集合1中在结束位置之前的符号的资源元素RE上；所述集合1为N个集合中的一个集合或由所述N个集合中的多个集合组成，所述N个集合中的第i个集合中的每一个UCI符号与离所述UCI符号最近的DMRS符号的时域间隔均相同、且所述N个集合中的第i+1个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔比所述第i个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔大，所述N为正整数，所述i为小于等于N的正整数，所述UCI符号为所述第三信道中用于承载UCI的符号，所述DMRS符号为所述第三信道中用于承载DMRS的符号；所述结束位置为所述第一信道的结束位置；收发模块1202，用于在所述第三信道上发送所述第一UCI和所述第二UCI。
在又一种可能的实现方式中，所述收发模块1202，还用于接收来自网络设备的第二信息，所述第二信息指示将所述第一UCI映射到集合1中在结束位置之前的符号的RE上。
在又一种可能的实现方式中，所述处理模块1201，还用于将所述第二UCI映射到所述第三信道中除承载所述第一UCI之外的RE上。
有关上述处理模块1201和收发单元1202更详细的描述可以直接参考图10所示的方法实施例中相关描述直接得到，这里不加赘述。
当UCI的传输装置1200用于实现图10所示的方法实施例中网络设备的功能时：收发模块1202，用于在第一信道和第二信道在时域上重叠的情况下，在第三信道上接收第一上行控制信息UCI和第二UCI，其中，所述第一信道用于承载所述第一UCI，所述第二信道用于承载所述第二UCI，所述第一UCI的优先级高于所述第二UCI的优先级；所述第一UCI被映射在集合1中在结束位置之前的符号的资源元素RE上；所述集合1为N个集合中的一个集合或由所述N个集合中的多个集合组成，所述N个集合中的第i个集合中的每 一个UCI符号与离所述UCI符号最近的DMRS符号的时域间隔均相同、且所述N个集合中的第i+1个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔比所述第i个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔大，所述N为正整数，所述i为小于等于N的正整数，所述UCI符号为所述第三信道中用于承载UCI的符号，所述DMRS符号为所述第三信道中用于承载DMRS的符号；所述结束位置为所述第一信道的结束位置；处理模块1201，还用于对所述第一UCI和第二UCI进行解调和译码。
在又一种可能的实现方式中，所述收发模块1202，还用于向终端设备发送第二信息，所述第二信息指示所述终端设备将所述第一UCI映射到集合1中在结束位置之前的符号的RE上。
有关上述处理模块1201和收发单元1202更详细的描述可以直接参考图10所示的方法实施例中相关描述直接得到，这里不加赘述。
当UCI的传输装置1200用于实现图11所示的方法实施例中终端设备的功能时：处理模块1201，用于在第一信道和第二信道在时域上重叠的情况下，确定在第三信道上发送第一上行控制信息UCI和第二UCI，其中，所述第一信道用于承载所述第一UCI，所述第二信道用于承载所述第二UCI，所述第一UCI的优先级高于所述第二UCI的优先级；所述处理模块1201，还用于将所述第一UCI映射到所述第三信道中在结束位置之前的符号的资源元素RE上，所述结束位置为所述第一信道的结束位置；收发模块1202，用于在所述第三信道上发送所述第一UCI和所述第二UCI。
在又一种可能的实现方式中，所述收发模块1202，还用于接收来自网络设备的第三信息，所述第三信息指示将所述第一UCI映射到第三信道中在结束位置之前的符号的RE上。
在又一种可能的实现方式中，所述处理模块1201，还用于将所述第二UCI映射到所述第三信道中除承载所述第一UCI之外的RE上。
有关上述处理模块1201和收发单元1202更详细的描述可以直接参考图11所示的方法实施例中相关描述直接得到，这里不加赘述。
当UCI的传输装置1200用于实现图11所示的方法实施例中网络设备的功能时：收发模块1202，用于在第一信道和第二信道在时域上重叠的情况下，在第三信道上接收第一上行控制信息UCI和第二UCI，其中，所述第一信道用于承载所述第一UCI，所述第二信道用于承载所述第二UCI，所述第一UCI的优先级高于所述第二UCI的优先级；所述第一UCI被映射在所述第三信道中在结束位置之前的符号的资源元素RE上；所述结束位置为所述第一信道的结束位置；处理模块1201，还用于对所述第一UCI和第二UCI进行解调和译码。
在又一种可能的实现方式中，所述收发模块1202，还用于向终端设备发送第三信息，所述第三信息指示所述终端设备将所述第一UCI映射到所述第三信道中在结束位置之前的符号的RE上。
有关上述处理模块1201和收发单元1202更详细的描述可以直接参考图11所示的方法实施例中相关描述直接得到，这里不加赘述。
如图13所示，UCI的传输装置1300包括处理器1301和接口电路1303。处理器1301 和接口电路1303之间相互耦合。可以理解的是，接口电路1303可以为收发器或输入输出接口。可选的，UCI的传输装置1300还可以包括存储器1302，用于存储处理器1301执行的指令或存储处理器1301运行指令所需要的输入数据或存储处理器1301运行指令后产生的数据。
当UCI的传输装置1300用于实现图7、图10或图11所示的方法时，处理器1301用于实现上述处理模块1201的功能，接口电路1303用于实现上述收发模块1202的功能。
当上述UCI的传输装置为应用于终端设备的芯片时，该终端设备芯片实现上述方法实施例中终端设备的功能。该终端设备芯片从终端设备中的其它模块(如射频模块或天线)接收信息，该信息是网络设备发送给终端设备的；或者，该终端设备芯片向终端设备中的其它模块(如射频模块或天线)发送信息，该信息是终端设备发送给网络设备的。
当上述UCI的传输装置为应用于网络设备的芯片时，该网络设备芯片实现上述方法实施例中网络设备的功能。该网络设备芯片从网络设备中的其它模块(如射频模块或天线)接收信息，该信息是终端设备发送给网络设备的；或者，该网络设备芯片向网络设备中的其它模块(如射频模块或天线)发送信息，该信息是网络设备发送给终端设备的。
可以理解的是，本申请的实施例中的处理器可以是中央处理单元(Central Processing Unit，CPU)，还可以是其它通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现场可编程门阵列(Field Programmable Gate Array，FPGA)或者其它可编程逻辑器件、晶体管逻辑器件，硬件部件或者其任意组合。通用处理器可以是微处理器，也可以是任何常规的处理器。
本申请的实施例中的方法步骤可以通过硬件的方式来实现，也可以由处理器执行软件指令的方式来实现。软件指令可以由相应的软件模块组成，软件模块可以被存放于随机存取存储器、闪存、只读存储器、可编程只读存储器、可擦除可编程只读存储器、电可擦除可编程只读存储器、寄存器、硬盘、移动硬盘、CD-ROM或者本领域熟知的任何其它形式的存储介质中。一种示例性的存储介质耦合至处理器，从而使处理器能够从该存储介质读取信息，且可向该存储介质写入信息。当然，存储介质也可以是处理器的组成部分。处理器和存储介质可以位于ASIC中。另外，该ASIC可以位于网络设备或终端设备中。当然，处理器和存储介质也可以作为分立组件存在于网络设备或终端设备中。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机程序或指令。在计算机上加载和执行所述计算机程序或指令时，全部或部分地执行本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、网络设备、用户设备或者其它可编程装置。所述计算机程序或指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机程序或指令可以从一个网站站点、计算机、服务器或数据中心通过有线或无线方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是集成一个或多个可用介质的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质，例如，软盘、硬盘、磁带；也可以是光介质，例如，数字视频光盘；还可以是半导体介质，例如，固态 硬盘。
在本申请的各个实施例中，如果没有特殊说明以及逻辑冲突，不同的实施例之间的术语和/或描述具有一致性、且可以相互引用，不同的实施例中的技术特征根据其内在的逻辑关系可以组合形成新的实施例。
本申请中，“至少一个”是指一个或者多个，“多个”是指两个或两个以上。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B的情况，其中A,B可以是单数或者复数。在本申请的文字描述中，字符“/”，一般表示前后关联对象是一种“或”的关系；在本申请的公式中，字符“/”，表示前后关联对象是一种“相除”的关系。
可以理解的是，在本申请的实施例中涉及的各种数字编号仅为描述方便进行的区分，并不用来限制本申请的实施例的范围。上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定。

Claims (21)

  1. 一种上行控制信息的传输方法，其特征在于，包括：
    在第一信道和第二信道在时域上重叠的条件下，确定在第三信道上发送第一上行控制信息UCI和第二UCI，其中，所述第一信道用于承载所述第一UCI，所述第二信道用于承载所述第二UCI，所述第一UCI的优先级高于所述第二UCI的优先级；
    将所述第一UCI先映射到集合1中第一符号的资源元素RE上，再映射到所述集合1中第二符号的RE上；所述集合1为N个集合中的一个集合或由所述N个集合中的多个集合组成，所述N个集合中的第i个集合中的每一个UCI符号与离所述UCI符号最近的DMRS符号的时域间隔均相同、且所述N个集合中的第i+1个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔比所述第i个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔大，所述N为正整数，所述i为小于等于N的正整数，所述UCI符号为所述第三信道中用于承载UCI的符号，所述DMRS符号为所述第三信道中用于承载DMRS的符号；所述第一符号为所述集合1中在所述第三信道的第一个DMRS符号与最后一个DMRS符号之间的UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的第一个UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的UCI符号；所述第二符号为所述集合1中除所述第一符号之外的符号；
    在所述第三信道上发送所述第一UCI和所述第二UCI。
  2. 根据权利要求1所述的方法，其特征在于，所述第一符号为集合2中的符号，所述第二符号为集合3中的符号，所述集合2为所述集合1中在所述第三信道的第一个DMRS符号与最后一个DMRS符号之间的UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的第一个UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的UCI符号，所述集合3为所述集合1中除所述集合2之外的符号。
  3. 根据权利要求1或2所述的方法，其特征在于，
    所述集合1为所述N个集合中的第一个集合、或者
    所述集合1为所述N个集合中的第一个集合和第二个集合。
  4. 根据权利要求1-3任一项所述的方法，其特征在于，所述方法还包括：
    将所述第一UCI先映射到所述集合1中在结束位置之前的第一符号的RE上，再映射到所述集合1中在所述结束位置之前的第二符号的RE上，所述结束位置为所述第一信道的结束位置。
  5. 根据权利要求4所述的方法，其特征在于，所述第三信道包括至少1个在所述结束位置之前的DMRS符号。
  6. 根据权利要求1-5任一项所述的方法，其特征在于，所述方法还包括：
    接收来自网络设备的第一信息，所述第一信息指示将所述第一UCI先映射到所述第一符号的RE上，再映射到所述第二符号的RE上。
  7. 根据权利要求1-6任一项所述的方法，其特征在于，所述方法还包括：
    将所述第二UCI映射到所述第三信道中除承载所述第一UCI之外的RE上。
  8. 一种上行控制信息的传输方法，其特征在于，包括：
    在第一信道和第二信道在时域上重叠的条件下，在第三信道上接收第一上行控制信息UCI和第二UCI，其中，所述第一信道用于承载所述第一UCI，所述第二信道用于承载所述第二UCI，所述第一UCI的优先级高于所述第二UCI的优先级；所述第一UCI先映射在集合1中第一符号的资源元素RE上，再映射在所述集合1中第二符号的RE上；所述集合1为N个集合中的一个集合或由所述N个集合中的多个集合组成，所述N个集合中的第i个集合中的每一个UCI符号与离所述UCI符号最近的DMRS符号的时域间隔均相同、且所述N个集合中的第i+1个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔比所述第i个集合中的UCI符号与离所述UCI符号最近的DMRS符号的时域间隔大，所述N为正整数，所述i为小于等于N的正整数，所述UCI符号为所述第三信道中用于承载UCI的符号，所述DMRS符号为所述第三信道中用于承载DMRS的符号；所述第一符号为所述集合1中在所述第三信道的第一个DMRS符号与最后一个DMRS符号之间的UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的第一个UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的UCI符号；所述第二符号为所述集合1中除所述第一符号之外的符号；
    对所述第一UCI和第二UCI进行解调和译码。
  9. 根据权利要求8所述的方法，其特征在于，所述第一符号为集合2中的符号，所述第二符号为集合3中的符号，所述集合2为所述集合1中在所述第三信道的第一个DMRS符号与最后一个DMRS符号之间的UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的第一个UCI符号、或者为所述集合1中在所述第一个DMRS符号之后的UCI符号，所述集合3为所述集合1中除所述集合2之外的符号。
  10. 根据权利要求8或9所述的方法，其特征在于，
    所述集合1为所述N个集合中的第一个集合、或者
    所述集合1为所述N个集合中的第一个集合和第二个集合。
  11. 根据权利要求8-10任一项所述的方法，其特征在于，
    所述第一UCI被映射在所述集合1中在结束位置之前的第一符号的RE上，被映射在所述集合1中在所述结束位置之前的第二符号的RE上，所述结束位置为所述第一信道的结束位置。
  12. 根据权利要求11所述的方法，其特征在于，所述第三信道包括至少1个在所述结束位置之前的DMRS符号。
  13. 根据权利要求8-12任一项所述的方法，其特征在于，所述方法还包括：
    向终端设备发送第一信息，所述第一信息指示所述终端设备将所述第一UCI先映射到所述第一符号的RE上，再映射到所述第二符号的RE上。
  14. 根据权利要求8-13任一项所述的方法，其特征在于，
    所述第二UCI映射在所述第三信道中除承载所述第一UCI之外的RE上。
  15. 一种上行控制信息的传输装置，包括用于执行如权利要求1至7中任一项所述方法的模块。
  16. 一种上行控制信息的传输装置，包括用于执行如权利要求8至14中任一项所述方法的模块。
  17. 一种上行控制信息的传输装置，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来自所述装置之外的其它装置的信号并传输至所述处理器或将来自所述处理器的信号发送给所述装置之外的其它装置，所述处理器通过逻辑电路或执行代码指令用于实现如权利要求1至7中任一项所述的方法。
  18. 一种上行控制信息的传输装置，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来自所述装置之外的其它装置的信号并传输至所述处理器或将来自所述处理器的信号发送给所述装置之外的其它装置，所述处理器通过逻辑电路或执行代码指令用于实现如权利要求8至14中任一项所述的方法。
  19. 一种计算机程序，其特征在于，当所述计算机程序被通信装置执行时，实现如权利要求1至14中任一项所述的方法。
  20. 一种计算机可读存储介质，其特征在于，所述存储介质中存储有计算机程序或指令，当所述计算机程序或指令被通信装置执行时，实现如权利要求1至14中任一项所述的方法。
  21. 一种上行控制信息的传输系统，其特征在于，包括如权利要求15或17所述的上行控制信息的传输装置，和如权利要求16或18所述的上行控制信息的传输装置。
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