WO2020200115A1 - 通信方法、装置、系统和存储介质 - Google Patents

通信方法、装置、系统和存储介质 Download PDF

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Publication number
WO2020200115A1
WO2020200115A1 PCT/CN2020/081775 CN2020081775W WO2020200115A1 WO 2020200115 A1 WO2020200115 A1 WO 2020200115A1 CN 2020081775 W CN2020081775 W CN 2020081775W WO 2020200115 A1 WO2020200115 A1 WO 2020200115A1
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Prior art keywords
srs
information
physical channel
terminal device
time unit
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PCT/CN2020/081775
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English (en)
French (fr)
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许子杰
杨育波
窦圣跃
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华为技术有限公司
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Publication of WO2020200115A1 publication Critical patent/WO2020200115A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0224Channel estimation using sounding signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines

Definitions

  • the embodiments of the present application relate to communication technologies, and in particular, to a communication method, device, system, and storage medium.
  • LTE long term evolution
  • network equipment uses sounding reference signals (Sounding Reference Signal, SRS) reported by the terminal to estimate the uplink channel quality of different frequency bands.
  • SRS Sounding Reference Signal
  • the network device can configure a subframe for uplink transmission (abbreviated as: uplink subframe) for the terminal in a frequency band with good quality to ensure uplink performance.
  • the network device configures the terminal to send the SRS on the last symbol of the uplink subframe. , Send the uplink shared physical channel or uplink control physical channel on other symbols in the uplink subframe.
  • extended SRS extended SRS
  • the terminal is used to send the symbols of the extended SRS and the uplink shared physical channel or uplink control physical channel.
  • the symbols may overlap.
  • the embodiments of the present application provide a communication method, device, system, and storage medium, which increase the opportunity for a terminal to send SRS, so that network equipment can obtain more SRS to accurately estimate the quality of the uplink channel.
  • the embodiments of the present application provide a communication method, which may be applied to a terminal device or a chip in the terminal device.
  • the method will be described below by taking the application to a terminal device as an example.
  • the terminal device receives first downlink control information from a network device, and the first downlink control information includes first SRS information;
  • the device receives second downlink control information from the network device, where the second downlink control information includes second SRS information; if the first SRS information and the second SRS information are different, the terminal device does not send or Delay in sending the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel.
  • the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel is the first SRS corresponding to the first SRS information or the The second SRS corresponding to the second SRS information.
  • the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel in the above method refers to the time unit for sending the SRS and the uplink data in the uplink shared physical channel and/or the uplink in the uplink control physical channel.
  • the time unit of the control signal conflicts.
  • the time unit may be at least one subframe, or at least one slot or at least one symbol.
  • the time unit conflict may be at least one symbol conflict in the time unit.
  • different SRS information is set in the first downlink control information and the second downlink control information, that is, the first SRS information and the second SRS information are different.
  • the difference between the first SRS information and the second SRS information does not mean that the terminal equipment does not send SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel, but instructs the terminal equipment to decide whether to send or delay sending and uplink. Shared physical channel and/or uplink control physical channel conflicting SRS. This further increases the opportunity for the terminal device to send SRS, so that the network device can obtain more SRS to accurately estimate the quality of the uplink channel.
  • the first SRS information is a first field
  • the second SRS information is a second field
  • the difference between the first SRS information and the second SRS information is: a field value of the first field It is different from the field value of the second field.
  • the delaying sending the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel includes: according to the delay parameter, the terminal device delays sending the SRS with the uplink shared physical channel and/or Uplink control physical channel conflicting SRS.
  • the delay parameter is predefined or configured by the network device for the terminal device.
  • the delay parameter is configured in the RRC signaling.
  • the terminal device delays sending the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel according to the delay parameter configured in the RRC signaling.
  • the delay parameter is configured in the downlink control information.
  • the terminal device determines the later downlink control information in the first downlink control information and the second downlink control information, and delays sending the physical channel shared with the uplink according to the delay parameter configured in the later downlink control information And/or uplink control physical channel conflicting SRS.
  • the SRS parameter set included in the RRC signaling is configured with a delay parameter.
  • the terminal device determines the later SRS information in the first SRS information and the second SRS information according to the first SRS information and the second SRS information, and obtains the delay parameter corresponding to the later SRS information in the SRS parameter set, According to the delay parameter, the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel is delayed in sending.
  • the first SRS information is also used to indicate the delay parameter, and the first downlink control information is later than the second downlink control information in the time domain; or, the second SRS information is also used Indicate the delay parameter, and the second downlink control information is later than the first downlink control information in the time domain.
  • the delay parameter is a delay time unit
  • the delaying the sending of the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel includes: determining that it is used to send the uplink shared physical channel and/or Or the first time unit of the SRS conflicting in the uplink control physical channel; determine the second time unit according to the first time unit and the delay time unit, and the terminal device transmits the SRS that conflicts with the uplink shared physical channel and/or uplink control physical channel.
  • the terminal device does not send the uplink shared physical channel and/or uplink control SRS with physical channel conflict.
  • the terminal device does not send an SRS that conflicts with the uplink shared physical channel and/or uplink control physical channel.
  • the terminal device is configured with a delay parameter by a predefined delay parameter or by the network device, so that when the first SRS information is different from the second SRS information, the terminal device delays according to the delay parameter.
  • Sending the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel has achieved the purpose of increasing the opportunity for the terminal device to send the SRS.
  • the first SRS information is used to indicate that the terminal device does not send the first SRS;
  • the first SRS information is used to indicate the first SRS parameter set and/or the second SRS parameter set.
  • the first SRS parameter set is: the parameter set of the SRS transmitted on the non-last symbol of the time unit
  • the second The SRS parameter set is: the parameter set of the SRS transmitted on the last symbol of the time unit; or,
  • the first SRS information is used to refer to a third SRS parameter set
  • the third SRS parameter set is: a parameter set of an SRS transmitted on any symbol of a time unit.
  • the second SRS information is used to indicate that the terminal device does not send the first SRS; or,
  • the second SRS information is used to indicate the first SRS parameter set and/or the second SRS parameter set
  • the first SRS parameter set is: the parameter set of the SRS sent on the non-last symbol of the time unit
  • the second The SRS parameter set is: the parameter set of the SRS transmitted on the last symbol of the time unit
  • the second SRS information is used to refer to a third SRS parameter set
  • the third SRS parameter set is: a parameter set of the SRS sent on any symbol of the time unit.
  • the first SRS information and the second SRS information can instruct the terminal to send or not to send the first SRS corresponding to the first SRS information and the second SRS corresponding to the second SRS information. And when instructing the terminal device to send the SRS information, the terminal device may obtain the SRS parameters corresponding to the first SRS and/or the second SRS information in the SRS parameter set. And the design can include the parameter sets of different types of SRS. Different types of SRS refer to the SRS sent on the non-last symbol of the time unit, the SRS sent on the last symbol of the time unit, or the SRS of the time unit. SRS sent on any symbol.
  • the terminal device receives the first parameter, the second parameter, and the third parameter from the network device, and the first parameter and the second parameter are both used to indicate the SRS antenna selection mode of the terminal device ,
  • the third parameter is used to indicate at least two SRS parameter sets;
  • the terminal device determines an SRS antenna selection mode according to the first parameter, the second parameter, and the third parameter, and transmits the SRS according to the SRS antenna selection mode.
  • the terminal device determines the SRS antenna selection mode according to the following formula 1:
  • T SRS is the period for the terminal device to send SRS
  • T offset is the SRS subframe level offset
  • T offset_max is the maximum value of the subframe level offset
  • n s is the slot number
  • Nsp is the special subframe number
  • N SrsConfig is the number of SRS configurations of the terminal device
  • n SrsConfig follows According to Section 8.2 of 3GPP TS36.213 V15.5.0, ISRS increases in order.
  • the first parameter, the second parameter, and the third parameter are configured by the base station device to the terminal device through high layer signaling.
  • the SRS antenna selection mode includes: a time unit for transmitting the SRS and an antenna port identifier.
  • the first parameter is used to enable the terminal device to perform a first SRS antenna selection
  • the second parameter is used to enable the terminal device to perform a second SRS antenna selection
  • the first SRS antenna The selection time corresponding to the selection is less than the time threshold.
  • the first parameter is to enable the terminal device to perform fast SRS antenna selection
  • the second parameter is to enable the terminal device to perform SRS antenna selection
  • the terminal does not receive at least one of the first parameter, the second parameter, and the third parameter, the following formula 2 is used to determine the SRS antenna selection mode.
  • T SRS is the period for the terminal device to send SRS
  • T offset is the SRS subframe level offset
  • Toffset_max is the maximum value of the subframe level offset
  • n s is the slot number
  • n f is Subframe number
  • Nsp is the special subframe number.
  • the network device enables the terminal device to perform SRS antenna selection through parameter configuration, so that the terminal device determines an SRS antenna selection mode suitable for the terminal device according to the parameters configured by the network device, so as to improve the performance of the terminal sending SRS.
  • the communication method of the SRS antenna selection mode in this design may not depend on the communication methods in other possible designs of the above-mentioned first aspect, and may be implemented as an independent communication method.
  • For the communication method of the SRS antenna selection mode in this design reference may be made to the related description in the first aspect above.
  • the embodiments of the present application provide a communication method, which can be applied to a network device or a chip in the network device.
  • the method is described below by taking the application to a network device as an example.
  • the network device sends first downlink control information to a terminal device, and the first downlink control information includes first SRS information;
  • the device sends second downlink control information to the terminal device, where the second downlink control information includes second SRS information; if the first SRS information and the second SRS information are different, the network device does not receive or Delayed reception of SRS conflicting with the uplink shared physical channel and/or uplink control physical channel, where the SRS conflicting with the uplink shared physical channel and/or uplink control physical channel is the SRS corresponding to the first SRS information or the second SRS information The corresponding SRS.
  • the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel in the above method refers to the time unit for sending the SRS and the uplink data in the uplink shared physical channel and/or the uplink in the uplink control physical channel.
  • the time unit of the control signal conflicts.
  • the time unit may be at least one subframe, or at least one slot or at least one symbol.
  • the time unit conflict may be at least one symbol conflict in the time unit.
  • the first SRS information is a first field
  • the second SRS information is a second field
  • the difference between the first SRS information and the second SRS information is: a field value of the first field It is different from the field value of the second field.
  • the delay in receiving the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel includes: according to a delay parameter, the network device delays in receiving the uplink shared physical channel and/or Uplink control physical channel conflicting SRS.
  • the delay parameter is predefined or configured by the network device for the terminal device.
  • the delay parameter is configured in the RRC signaling.
  • the network device delays receiving the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel according to the delay parameter configured in the RRC signaling.
  • the delay parameter is configured in the downlink control information.
  • the network device determines the later downlink control information in the first downlink control information and the second downlink control information, and delays receiving the physical channel shared with the uplink according to the delay parameter configured in the later downlink control information And/or uplink control physical channel conflicting SRS.
  • the SRS parameter set included in the RRC signaling is configured with a delay parameter.
  • the network device determines the later SRS information in the first SRS information and the second SRS information according to the first SRS information and the second SRS information, and obtains the delay parameter corresponding to the later SRS information in the SRS parameter set, Delay receiving the SRS that conflicts with the uplink shared physical channel and/or uplink control physical channel according to the delay parameter.
  • the first SRS information is also used to indicate the delay parameter, and the first downlink control information is later than the second downlink control information in the time domain; or, the second SRS information is also used Indicate the delay parameter, and the second downlink control information is later than the first downlink control information in the time domain.
  • the delay parameter is a delay time unit
  • the delay in receiving the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel includes: determining to receive and/or the uplink shared physical channel Or the first time unit of the SRS that conflicts with the uplink control physical channel; determine the second time unit according to the first time unit and the delay time unit, and receive the uplink and the uplink on the second time unit. Shared physical channel and/or uplink control physical channel conflicting SRS.
  • the network device does not receive the uplink shared physical channel and/or uplink control SRS with physical channel conflict.
  • the network device does not receive an SRS that conflicts with the uplink shared physical channel and/or uplink control physical channel.
  • the first SRS information is used to instruct the terminal device not to send the first SRS;
  • the first SRS information is used to indicate the first SRS parameter set and/or the second SRS parameter set.
  • the first SRS parameter set is: the parameter set of the SRS transmitted on the non-last symbol of the time unit
  • the second The SRS parameter set is: the parameter set of the SRS transmitted on the last symbol of the time unit; or,
  • the first SRS information is used to refer to a third SRS parameter set
  • the third SRS parameter set is: a parameter set of an SRS transmitted on any symbol of a time unit. or,
  • the second SRS information is used to indicate that the terminal device does not send the first SRS; or,
  • the second SRS information is used to indicate the first SRS parameter set and/or the second SRS parameter set
  • the first SRS parameter set is: the parameter set of the SRS sent on the non-last symbol of the time unit
  • the second The SRS parameter set is: the parameter set of the SRS transmitted on the last symbol of the time unit
  • the second SRS information is used to refer to a third SRS parameter set
  • the third SRS parameter set is: a parameter set of the SRS sent on any symbol of the time unit.
  • the network device sends the first parameter, the second parameter, and the third parameter to the terminal device, so that the terminal device determines the SRS antenna according to the first parameter, the second parameter, and the third parameter Select a mode, and transmit SRS according to the SRS antenna selection mode.
  • the terminal device may determine the SRS antenna selection mode according to the following formula 1:
  • T SRS is the period for the terminal device to send SRS
  • T offset is the SRS subframe level offset
  • T offset_max is the maximum value of the subframe level offset
  • n s is the slot number
  • Nsp is the special subframe number
  • N SrsConfig is the number of SRS configurations of the terminal device
  • n SrsConfig follows According to Section 8.2 of 3GPP TS36.213 V15.5.0, ISRS increases in order.
  • the first parameter, the second parameter, and the third parameter are configured by the base station device to the terminal device through high layer signaling.
  • the SRS antenna selection mode includes: a time unit for transmitting the SRS and an antenna port identifier.
  • the first parameter is used to enable the terminal device to perform a first SRS antenna selection
  • the second parameter is used to enable the terminal device to perform a second SRS antenna selection
  • the first SRS antenna The selection time corresponding to the selection is less than the time threshold.
  • the first parameter is to enable the terminal device to perform fast SRS antenna selection
  • the second parameter is to enable the terminal device to perform SRS antenna selection
  • the terminal device may determine the SRS antenna selection mode according to the following formula 2. :
  • T SRS is the period for the terminal device to send SRS
  • T offset is the SRS subframe level offset
  • T offset_max is the maximum value of the subframe level offset
  • n s is the slot number
  • Nsp is a special subframe number.
  • the communication method of the SRS antenna selection mode in this design may not depend on the communication methods in other possible designs of the second aspect described above, and may be implemented as an independent communication method.
  • For the communication method of the SRS antenna selection mode in this design refer to the related description in the second aspect above.
  • an embodiment of the present application provides a communication device.
  • the communication device includes a transceiver and a processor. among them,
  • the transceiver is configured to receive first downlink control information from a network device, where the first downlink control information includes first SRS information.
  • the transceiver is further configured to receive second downlink control information from the network device, where the second downlink control information includes second SRS information.
  • a processor configured to, if the first SRS information is different from the second SRS information, not send or delay sending the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel, and the uplink shared physical channel And/or the SRS conflicting with the uplink control physical channel is the first SRS corresponding to the first SRS information or the second SRS corresponding to the second SRS information.
  • the processor is specifically configured to delay sending the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel according to the delay parameter.
  • the delay parameter is predefined or configured by the network device for the terminal device.
  • the first SRS information is further used to indicate the delay parameter, and the first downlink control information is later than the second downlink control information in the time domain; or, the second SRS information is further Used to indicate the delay parameter, the second downlink control information is later than the first downlink control information in the time domain.
  • the processor is specifically configured to not send the uplink shared physical channel and/or uplink control physical channel if the delay parameter is not predefined and the network device does not configure the delay parameter for the terminal device Conflicting SRS.
  • the processor is further configured to, if the first SRS information and the second SRS information are the same, not send an SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel.
  • the delay parameter is a delay time unit.
  • the processor is specifically configured to determine a first time unit used to transmit an SRS that conflicts with the uplink shared physical channel and/or uplink control physical channel; and determine the second time unit according to the first time unit and the delay time unit Time unit, and on the second time unit, the terminal device sends the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel.
  • the first SRS information is used to instruct the terminal device to send the first SRS, and the first SRS is an SRS sent in a first time unit
  • the second downlink control information is used to Instruct the terminal equipment to send the uplink shared physical channel and/or the uplink control physical channel on the first time unit; or, the first downlink control information is used to instruct the terminal equipment to transmit the uplink shared physical channel and/or the uplink control physical channel in the first time unit
  • the second SRS information is used to instruct the terminal device to send the second SRS, and the second SRS is sent on the first time unit SRS.
  • the first SRS information is a first field
  • the second SRS information is a second field
  • the difference between the first SRS information and the second SRS information is: a field value of the first field It is different from the field value of the second field.
  • the first SRS information is used to indicate that the terminal device does not send the first SRS.
  • the first SRS information is used to indicate the first SRS parameter set and/or the second SRS parameter set.
  • the first SRS parameter set is: the parameter set of the SRS transmitted on the non-last symbol of the time unit
  • the second The SRS parameter set is: the parameter set of the SRS transmitted on the last symbol of the time unit; or,
  • the first SRS information is used to refer to a third SRS parameter set
  • the third SRS parameter set is: a parameter set of an SRS transmitted on any symbol of a time unit.
  • the transceiver is further configured to receive a first parameter sent by a network device, where the first parameter is used to indicate an SRS antenna selection mode of the terminal device.
  • the processor is configured to receive the SRS sent according to the SRS antenna selection mode.
  • the first parameter may be configured by the network device to the terminal device through high-level signaling.
  • an embodiment of the present application provides a communication device.
  • the communication device includes a transceiver and a processor. among them,
  • the transceiver is configured to send first downlink control information to a terminal device, where the first downlink control information includes first SRS information.
  • the transceiver is further configured to send second downlink control information to the terminal device, where the second downlink control information includes second SRS information.
  • a processor configured to, if the first SRS information is different from the second SRS information, not receive or delay receiving the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel, and the uplink shared physical channel And/or the SRS conflicting with the uplink control physical channel is the SRS corresponding to the first SRS information or the SRS corresponding to the second SRS information.
  • the processor is specifically configured to delay receiving the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel according to the delay parameter.
  • the delay parameter is predefined or configured by the network device for the terminal device.
  • the first SRS information is further used to indicate the delay parameter, and the first downlink control information is later than the second downlink control information in the time domain; or, the second SRS information is further Used to indicate the delay parameter, the second downlink control information is later than the first downlink control information in the time domain.
  • the processor is further configured to not receive the uplink shared physical channel and/or uplink control physical channel if the delay parameter is not predefined and the network device does not configure the delay parameter for the terminal device Conflicting SRS.
  • the processor is further configured to, if the first SRS information and the second SRS information are the same, not receive an SRS that conflicts with the uplink shared physical channel and/or uplink control physical channel.
  • the processor is specifically configured to determine a first time unit for receiving an SRS conflicting with the uplink shared physical channel and/or the uplink control physical channel; according to the first time unit and the delay time unit , Determining a second time unit, and on the second time unit, the network device receives the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel.
  • the first SRS information is used to instruct the terminal device to send the first SRS, and the first SRS is an SRS sent in a first time unit, and the second downlink control information is used to Instruct the terminal device to send the uplink shared physical channel and/or uplink control physical channel on the first time unit; or,
  • the first downlink control information is used to instruct the terminal device to send an uplink shared physical channel and/or an uplink control physical channel on a first time unit
  • the second SRS information is used to instruct the terminal device to send the The second SRS
  • the second SRS is the SRS sent on the first time unit.
  • the first SRS information is a first field
  • the second SRS information is a second field
  • the difference between the first SRS information and the second SRS information is: a field value of the first field It is different from the field value of the second field.
  • the first SRS information is used to indicate that the terminal device does not send the first SRS.
  • the first SRS information is used to indicate the first parameter set and/or the second parameter set, the first parameter set being: the parameter set of the SRS sent on the non-last symbol of the time unit, the second parameter set being : The parameter set of the SRS transmitted on the last symbol of the time unit; or,
  • the first SRS information is used to refer to a third parameter set, and the third parameter set is: a parameter set of the SRS sent on any symbol of the inter unit.
  • the transceiver is also used to send a first parameter to the terminal device, where the first parameter is used to indicate the SRS antenna selection mode of the terminal device.
  • the first parameter may be configured by the network device to the terminal device through high-level signaling.
  • an embodiment of the present application provides a communication device, the communication device includes: a processor, a memory, and a transceiver; the transceiver is coupled to the processor, and the processor controls the transceiver action;
  • the memory is used to store computer executable program code, and the program code includes instructions; when the processor executes the instructions, the instructions cause the communication device to execute the communication method provided by the first aspect or each possible design of the first aspect.
  • an embodiment of the present application provides a communication device, the communication device includes: a processor, a memory, and a transceiver; the transceiver is coupled to the processor, and the processor controls the transceiver action;
  • the memory is used to store computer executable program code, the program code includes instructions; when the processor executes the instructions, the instructions cause the communication device to execute the communication method provided by the second aspect or each possible design of the second aspect.
  • an embodiment of the present application provides a communication device, including a unit, module or circuit for executing the method provided in the above first aspect or each possible design of the first aspect.
  • the communication device may be a terminal device or a module applied to the terminal device, for example, it may be a chip applied to the terminal device.
  • an embodiment of the present application provides a communication device, which includes a unit, module, or circuit for executing the method provided in the above second aspect or each possible design of the second aspect.
  • the communication device may be a network device or a module applied to the network device, for example, it may be a chip applied to the network device.
  • an embodiment of the present application provides a communication device (for example, a chip), and a computer program is stored on the communication device.
  • a communication device for example, a chip
  • a computer program is stored on the communication device.
  • the computer program is executed by the communication device, the first aspect or the first aspect is implemented.
  • an embodiment of the present application provides a communication device (for example, a chip), and a computer program is stored on the communication device.
  • a communication device for example, a chip
  • the computer program is executed by the communication device, the second aspect or the second aspect is implemented.
  • embodiments of the present application provide a computer program product containing instructions, which when run on a computer, cause the computer to execute the foregoing first aspect or various possible design methods of the first aspect.
  • the embodiments of the present application provide a computer program product containing instructions, which when run on a computer, enable the computer to execute the above-mentioned second aspect or various possible design methods of the second aspect.
  • embodiments of the present application provide a computer-readable storage medium that stores instructions in the computer-readable storage medium, which when run on a computer, cause the computer to execute the first aspect or the first aspect described above.
  • Various possible design methods are possible design methods.
  • an embodiment of the present application provides a computer-readable storage medium that stores instructions in the computer-readable storage medium, and when it runs on a computer, the computer executes the second aspect or the second aspect described above.
  • Various possible design methods are possible design methods.
  • an embodiment of the present application provides a communication system, including the communication device in the third aspect and the communication device in the fourth aspect.
  • the network device in the method, when the terminal determines that the PUSCH conflicts with the SRS according to the first downlink control information and the second downlink control information, the network device can set the first downlink control information Different SRS information is configured from the second downlink control information, that is, the first SRS information and the second SRS information are different.
  • the difference between the first SRS information and the second SRS information does not mean that the terminal does not send the SRS that conflicts with the PUSCH, but instead indicates that the terminal decides not to send or delay sending the SRS that conflicts with the PUSCH.
  • the communication method in the embodiment of the present application increases the chance of the terminal sending SRS that conflicts with the PUSCH, so that the network device can obtain more SRS to accurately estimate the uplink channel quality.
  • FIG. 1 is a schematic diagram of the architecture of a mobile communication system applied in an embodiment of this application;
  • FIG. 2 is a schematic diagram of an SRS configuration in the prior art
  • Fig. 3 is a schematic diagram of another SRS configuration in the prior art
  • Fig. 5 is a schematic diagram of SRS and PUSCH conflict
  • FIG. 6 is a schematic flowchart of a terminal device not sending or delaying sending an SRS that conflicts with an uplink shared physical channel and/or an uplink control physical channel according to an embodiment of the application;
  • FIG. 7 is a schematic flowchart of another communication method provided by an embodiment of this application.
  • FIG. 8 is a schematic structural diagram of a communication device provided by an embodiment of this application.
  • FIG. 9 is a schematic structural diagram of another communication device provided by an embodiment of this application.
  • FIG. 10 is a schematic structural diagram of another communication device provided by an embodiment of this application.
  • FIG. 11 is a schematic structural diagram of another communication device provided by an embodiment of this application.
  • FIG. 12 is a schematic structural diagram of a communication system provided by an embodiment of this application.
  • FIG. 1 is a schematic diagram of the architecture of a mobile communication system applied in an embodiment of this application.
  • the mobile communication system may include network equipment and terminal equipment.
  • the terminal equipment is connected to the network equipment in a wireless manner.
  • FIG. 1 is only a schematic diagram.
  • the mobile communication system may also include other network devices, such as wireless relay devices and wireless backhaul devices, which are not shown in FIG. 1.
  • a network device is an access device that a terminal device accesses to the mobile communication system through wireless means. It can be a base station NodeB, an evolved base station eNodeB, a 5G mobile communication system, or a network in a new radio (NR) communication system
  • a base station NodeB an evolved base station eNodeB
  • 5G mobile communication system a network in a new radio (NR) communication system
  • NR new radio
  • the terminal device may also be called a terminal, a user equipment (UE), a mobile station (mobile station, MS), a mobile terminal (mobile terminal, MT), and so on.
  • Terminal devices can be mobile phones, tablets, computers with wireless transceiver functions, virtual reality (VR) terminal devices, augmented reality (AR) terminal devices, industrial control (industrial control) ), wireless terminals in self-driving (self-driving), wireless terminals in remote medical surgery, wireless terminals in smart grid, and wireless terminals in transportation safety (transportation safety) Terminal, wireless terminal in smart city, wireless terminal in smart home, etc.
  • Network equipment and terminal equipment can be deployed on land, including indoor or outdoor, handheld or vehicle-mounted; they can also be deployed on water; they can also be deployed on airborne aircraft, balloons, and satellites.
  • the embodiments of the present application do not limit the application scenarios of network equipment and terminal equipment.
  • Uplink data transmission can be performed between network equipment and terminal equipment through wireless channels. Since the wireless channel has frequency selective fading characteristics, that is, the fading characteristics are different on different frequency bands, this characteristic of the wireless channel will seriously affect the transmission performance of the uplink for transmitting uplink data.
  • the network equipment in the prior art uses sounding reference signals (SRS) sent by the terminal equipment to estimate the uplink channel quality of different frequency bands.
  • SRS sounding reference signals
  • the trigger type includes two types: trigger type 0 and trigger type 1.
  • trigger type 0 The radio resource control RRC high-level signaling sent by the network device to the terminal device triggers the terminal device to send the SRS, and the trigger type 0 corresponds to the terminal device to periodically send the SRS.
  • the configuration parameters such as the time domain, frequency domain, and code domain for sending SRS by the terminal device are pre-configured by RRC high-level signaling.
  • Trigger type 1 Downlink control information (DCI) sent by the network device to the terminal device triggers the terminal device to send SRS, trigger type 1 corresponds to the SRS sent by the terminal device aperiodically, and one DCI can only trigger the terminal device to send SRS once.
  • DCI Downlink control information
  • each DCI is configured with a field SRS request field for indicating the SRS trigger state
  • the SRS trigger state may include a triggered state and a non-triggered state.
  • the configuration parameters such as the time domain, frequency domain, and code domain are also pre-configured by RRC high-level signaling.
  • the RRC high-level signaling includes the SRS parameter set, and the SRS parameter set includes different field correspondences.
  • SRS configuration parameters After receiving the DCI sent by the network device, the terminal device can obtain the field SRS request field in the DCI, determine the corresponding SRS configuration parameter in the SRS parameter set according to the field, and then send the SRS according to the SRS configuration parameter.
  • the field used to indicate the SRS trigger status occupies 2 bits in the DCI, and the field value corresponding to this field can be any of 00, 01, 10, or 11. Any kind.
  • 00 indicates that the SRS trigger state is in the non-triggered state, that is, instructs the terminal device not to send SRS
  • 01, 10, or 11 indicates that the SRS trigger state is in the triggered state, that is, instructs the terminal device to send SRS.
  • the terminal device When the terminal device determines that the field in the DCI indicates to send the SRS, it can determine the time domain, frequency domain, code domain, etc., for sending the SRS according to the SRS parameter set pre-configured in the RRC high-level signaling.
  • the SRS parameter set includes configuration parameters corresponding to different fields, and the configuration parameters corresponding to each field can be different.
  • Table 1 is an example of SRS parameter set configured in RRC high-level signaling.
  • the field value corresponding to this field can be either 0 or 1.
  • 0 indicates that the SRS trigger state is in the non-triggered state, that is, instructs the terminal device not to send SRS
  • 1 indicates that the SRS trigger state is in the triggered state, that is, instructs the terminal device to send SRS.
  • the terminal device determines that the field in the DCI indicates to send the SRS, it can determine the time domain, frequency domain, code domain, etc., for sending the SRS according to the SRS parameter set pre-configured in the RRC high-level signaling.
  • Table 2 is another example of the SRS parameter set configured in RRC high-layer signaling.
  • DCI is used to schedule uplink transmission and downlink transmission, and includes a field for indicating the SRS trigger state.
  • network equipment usually schedules uplink transmission in bursts; and in the context of a sharp increase in the number of terminal equipment, network equipment often configures terminal equipment for aperiodic SRS transmission. In this way, the terminal device can receive multiple DCIs sent from the network device before sending the uplink and downlink data or SRS on the subframe.
  • the terminal device receives the DCI, and if the field in the DCI indicates that the SRS trigger state is the triggered state, the terminal device can determine the subframe in which the SRS is sent according to the SRS parameter set corresponding to the field in the RRC signaling, and the subframe in the subframe Symbol used to send SRS.
  • FIG. 2 is a schematic diagram of an SRS configuration in the prior art.
  • PUSCH Physical Uplink Shared Channel
  • PUCCH Physical Uplink Control Channel
  • the network equipment usually configures the last symbol of the subframe to send the traditional SRS.
  • the following takes the PUSCH and SRS conflict as an example for description.
  • the shaded part in FIG. 2 is the symbol used to transmit the traditional SRS, and the non-shaded part is the symbol used to transmit the PUSCH.
  • Fig. 3 is a schematic diagram of another SRS configuration in the prior art.
  • the extended SRS in order to obtain more SRS to accurately estimate the uplink channel quality, the extended SRS will be introduced in the LTE protocol Rel-16.
  • the extended SRS may be configured on one or more symbols other than the last symbol of the subframe. As shown in the black part of the symbol in Figure 3. If PUSCH transmission and SRS transmission are performed on the same symbol in the same subframe, the symbols in the black part and the symbols in the non-shaded part will overlap. When the uplink transmission is performed in this subframe, it will cause a problem on the overlapped symbol. The transmission of PUSCH conflicts with the transmission of extended SRS.
  • the fields used to indicate the SRS trigger status in the DCI that triggers the transmission of the SRS on the subframe received before the subframe must be the same.
  • the existing technology directly discards the extended SRS that conflicts with the transmission of the PUSCH, which cannot achieve the purpose of enhancing the capacity and coverage of the SRS. .
  • Figure 3 shows that the symbols used to transmit the extended SRS and the symbols used to transmit the PUSCH all overlap. It can be understood that at least one of the symbols used to transmit the extended SRS and the symbols used to transmit the PUSCH overlaps. It will cause the transmission of PUSCH and the transmission of extended SRS to conflict. However, the methods in the prior art are to directly discard the extended SRS.
  • Figure 3 shows that both the traditional SRS and the extended SRS are configured on one subframe. It is understandable that only the traditional SRS or the extended SRS can also be configured on the subframe.
  • an embodiment of the present application provides a communication method.
  • different SRS information is configured in the two DCIs through the network device.
  • the terminal device delays or does not send SRS according to the different SRS information in the two DCIs, which increases the chance of the terminal device to send SRS, so that the network device can obtain more SRS to accurately estimate the uplink channel quality. .
  • the communication method in the embodiment of the present application can be applied to scenarios where the transmission of extended SRS conflicts with the transmission of PUSCH and/or PUCCH, and can also be applied to scenarios where the transmission of traditional SRS conflicts with the transmission of PUSCH and/or PUCCH. It can also be applied to scenarios where the transmission of the extended SRS and the traditional SRS both conflict with the transmission of the PUSCH and/or PUCCH. It is understandable that the communication method in the embodiment of the present application can also be used in scenarios where the transmission of other types of SRS conflicts with the transmission of PUSCH and/or PUCCH.
  • FIG. 4 is a schematic flowchart of a communication method provided by an embodiment of this application. As shown in Figure 4, the communication method includes:
  • a network device sends first downlink control information to a terminal device, where the first downlink control information includes first SRS information.
  • the terminal device receives the first downlink control information from the network device.
  • the network device sends second downlink control information to the terminal device, where the second downlink control information includes second SRS information.
  • the terminal device receives the second downlink control information from the network device.
  • the terminal device does not send or delays sending the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel, and the terminal equipment and the uplink shared physical channel and /Or the SRS conflicting with the uplink control physical channel is the first SRS or the second SRS.
  • the network device does not receive or delay receiving the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel.
  • the conflict between the SRS and the uplink shared physical channel (hereinafter referred to as PUSCH) is taken as an example for description.
  • the first SRS information and the second SRS information mentioned above are both "SRS information", and are used to instruct the terminal device to send or not to send SRS.
  • “first” and “second” are used to distinguish the two " SRS information”. It should be understood that when the first SRS information is used to instruct the terminal device to send the SRS, the SRS sent by the terminal device is the first SRS. Similarly, when the second SRS information is used to instruct the terminal device to send the SRS, the SRS sent by the terminal device is the second SRS.
  • the first SRS information and the second SRS information may be the information included in the downlink control information DCI for instructing the terminal device to send or not send the SRS, and the information may be a field, a field value, or a DCI. Other parameters used to instruct the terminal equipment to send or not to send SRS.
  • the foregoing first SRS information is different from the second SRS information, and may be different in meaning indicated by the first SRS information and the second SRS information.
  • the first SRS information is used to instruct the terminal device not to send an SRS
  • the second SRS information is used to instruct the terminal device to send an SRS.
  • the first SRS information is different from the second SRS information, and it may be that the first SRS information is different from the second SRS information.
  • the difference between the first SRS information and the second SRS information may be: the first field corresponding to the first SRS information is different from the second field corresponding to the second SRS information, for example, the first field is 00 If the second field is 01, the first SRS information is different from the second SRS information, or, the first field is 10, and the second field is 01, then the first SRS information is different from the second SRS information; or, the first SRS information
  • the difference between the information and the second SRS information may be that the meaning indicated by the first field corresponding to the first SRS information is different from the meaning indicated by the second field corresponding to the second SRS information.
  • the first field is 0, which is used to indicate that the terminal device is not When sending SRS
  • the second field is 1, which is used to instruct the terminal device to send SRS
  • the first SRS information is different from the
  • the difference between the first information and the second information may be the difference between the first parameter and the second parameter. Different, or the meaning of the first parameter and the meaning of the second parameter are different.
  • the SRS parameter set included in the RRC signaling sent by the network device is described.
  • the network equipment may separately configure the parameter set of the extended SRS in the RRC signaling, or may add the parameter set of the extended SRS on the basis of the existing SRS parameter set.
  • the SRS parameter set in the prior art is traditional
  • the parameter set of SRS is shown in Table 1 and Table 2 above. That is, the SRS parameter set in the RRC signaling in the embodiment of the present application may include the parameter set of the extended SRS, or may also include the parameter set of the traditional SRS and the parameter set of the extended SRS. It can be understood that if there are other types of SRS conflicts with PUSCH, the SRS parameter set in the RRC signaling may include other types of SRS parameter sets. It should be understood that when what type of SRS parameter set is configured in the RRC signaling, the terminal device can send this type of SRS.
  • the SRS parameter set in the RRC signaling includes the parameter set of the traditional SRS and the parameter set of the extended SRS as an example to illustrate the trigger rule and the SRS parameter set.
  • the DCI contains SRS information, and the SRS information is used to instruct the terminal device to send or not to send the SRS. Take the SRS information in the DCI as a field, and the field value occupies 2 bits in the DCI for example. As shown in Table 3, the SRS information can be any of 00, 01, 10, or 11.
  • the SRS parameter set includes the parameter set of the traditional SRS and the parameter set of the extended SRS
  • the SRS information is used to instruct the terminal device not to send the traditional SRS and the extended SRS
  • the SRS information is 01, 10, or In any of 11
  • the SRS information is used to instruct the terminal device to send the traditional SRS and/or the extended SRS
  • the SRS information is also used to indicate the first parameter set and/or the second parameter set.
  • the first parameter set includes: the configuration parameters of the SRS transmitted on the non-last symbol of the subframe, that is, the first parameter set is the parameter set of the extended SRS.
  • the second parameter set includes: the configuration parameters of the SRS transmitted on the last symbol of the subframe, that is, the second parameter set is the parameter set of the traditional SRS. Further, the terminal device may determine the time unit for transmitting the traditional SRS and the extended SRS according to the SRS parameter set.
  • the time unit in the embodiment of the present application may be a subframe, an OFDM symbol, or a time slot (slot).
  • the parameter sets of the traditional SRS and/or the parameter sets of the extended SRS corresponding to the different fields shown in Table 3 are two independent parameter sets.
  • the SRS parameter set in Table 4 also includes the traditional SRS parameter set and/or the extended SRS parameter set, it is different from Table 3 in that the third parameter set indicated by the different SRS information in Table 4 is different.
  • the third parameter set includes: SRS configuration parameters sent on any symbol on the subframe, that is, the third parameter set is a set of traditional SRS parameter sets and/or extended SRS parameter sets.
  • the traditional SRS and/or extended SRS parameters configured by RRC high-level signaling may include, but are not limited to, the number of time units for transmitting the traditional SRS and/or the extended SRS, the location of the time unit, and the like.
  • the value of the field may also occupy 1 bit in the DCI.
  • Table 5 shows the SRS parameter set included in the RRC signaling in the embodiment of the present application when the field value is 1 bit.
  • the terminal device may determine the time unit for sending the first SRS in the SRS parameter set according to the first SRS information.
  • the terminal device may determine the time unit for sending the second SRS in the SRS parameter set according to the second SRS information. Since both the first downlink control information and the second downlink control information are used for scheduling uplink transmission or downlink transmission, the terminal device can determine the time unit used for PUSCH transmission according to the first downlink control information and the second downlink control information. According to this, the terminal device can determine whether the SRS and PUSCH conflict.
  • the conflict in the embodiment of the present application refers to that the time unit for sending the SRS and the time unit for sending the PUSCH overlap in the time domain and/or the frequency domain.
  • the time unit in the embodiment of the present application is at least one subframe or at least one OFDM symbol or at least one slot. It should be understood that, in one DCI, the time units configured by the network device to transmit SRS and PUSCH may not overlap.
  • the time units used for transmitting the SRS and the PUSCH in the first downlink control information and the second downlink control information overlap (that is, the SRS conflicts with the PUSCH) as an example for description.
  • the time units used to transmit SRS and PUSCH overlap that is, SRS conflicts with PUSCH.
  • One possible scenario is: when the SRS conflicting with the PUSCH is the first SRS corresponding to the first SRS information, the first SRS The information is used to instruct the terminal device to send the first SRS, and the first SRS is the SRS sent on the first time unit, and the second downlink control information is used to indicate the first time unit Send the PUSCH.
  • the second information may be used to instruct the terminal device to send the second SRS, and the time unit for sending the second SRS is different from the first time unit.
  • the second information may be used to instruct the terminal device not to send the second SRS.
  • the first SRS information is used to indicate the first SRS parameter set and/or the second SRS parameter set
  • the first SRS parameter set is: the parameter set of the SRS sent on the non-last symbol of the time unit
  • the second SRS parameter set is: the parameter set of the SRS transmitted on the last symbol of the time unit; or, the first SRS information is used to refer to the third SRS parameter set
  • the third SRS parameter set is: The parameter set of the transmitted SRS on any symbol of the time unit.
  • the second information when the second SRS information indicates that the terminal device sends the second SRS, the second information may also be used to indicate the first SRS parameter set and/or the second SRS parameter set, or the second information may also be used to indicate the third SRS Parameter set.
  • the first SRS parameter set, the second SRS parameter set, and the third SRS parameter set may be the same as described above.
  • the SRS conflicting with the PUSCH is the first SRS corresponding to the first SRS information
  • the first downlink control information is used to indicate that the PUSCH is sent on the first time unit
  • the The second SRS information is used to instruct the terminal device to send the second SRS
  • the second SRS is the SRS sent in the first time unit.
  • the first information may be used to instruct the terminal device to send the first SRS, and the time unit for sending the first SRS is different from the first time unit.
  • the first information may be used to instruct the terminal device not to send the second SRS.
  • the second SRS information is used to indicate the first SRS parameter set and/or the second SRS parameter set
  • the first SRS parameter set is: the parameter set of the SRS sent on the non-last symbol of the time unit
  • the second SRS parameter set is: the parameter set of the SRS transmitted on the last symbol of the time unit; or, the second SRS information is used to refer to the third SRS parameter set
  • the third SRS parameter set is: The parameter set of the transmitted SRS on any symbol of the time unit.
  • the first information when the first SRS information instructs the terminal device to send the first SRS, the first information may also be used to indicate the first SRS parameter set and/or the second SRS parameter set, or the first information may also be used to indicate the third SRS Parameter set.
  • the first SRS parameter set, the second SRS parameter set, and the third SRS parameter set may be the same as described above.
  • FIG. 5 is a schematic diagram of SRS conflicts with PUSCH.
  • Figure 5 takes the time unit as an OFDM symbol as an example for illustration. As shown in Figure 5, the OFDM symbols used to transmit PUSCH are the time units with positions 1 and 3 in the time domain (shaded by the diagonal lines in Figure 5).
  • the OFDM symbols used to transmit SRS are time units at positions 3 and 5 in the time domain (the square shaded in Figure 5). At this time, the time units used to transmit PUSCH and SRS are in this subframe. The domain position is 3 overlap. In this case, the terminal device does not send the SRS or delays the sending of the SRS in the time units of the time domain positions 3 and 5 in the subframe.
  • the terminal device does not send or delays sending the SRS that conflicts with the PUSCH, which may mean that the terminal device does not send or delays sending the SRS that overlaps the PUSCH.
  • the terminal device does not send SRS on the time unit with the time domain position of 3 in the subframe or delayed transmission should originally be sent on the time unit with the time domain position of 3 in the subframe SRS.
  • the terminal device delays sending the SRS that overlaps with the PUSCH may be: the terminal device delays sending the SRS that overlaps with the PUSCH on a new time unit.
  • the new time unit may be a new subframe, or a new time slot or a new symbol.
  • the terminal device transmits the SRS that overlaps the PUSCH on the new subframe.
  • the new subframe may be the first subframe that satisfies the requirement for sending SRS 4 ms after the subframe for sending PUSCH in the time domain, and the subframe that satisfies the requirement for sending SRS may refer to the conditions in the prior art.
  • the SRS that overlaps the PUSCH can also be sent on a new time slot or new symbol, where the new time slot or new symbol can be the time slot or symbol in the subframe where the PUSCH is sent, or also It can be a slot or symbol in a new subframe.
  • the method in the embodiments of the present application can also be applied to a scenario where a terminal device receives multiple DCIs before sending PUSCH.
  • the terminal device can receive two DCIs that are adjacent in the time domain.
  • the above-mentioned method can be used to not send or delay sending the SRS that conflicts with the PUSCH when the SRS and the PUSCH conflict.
  • the network device may configure the configuration in the first downlink control information and the second downlink control information Different SRS information, that is, the first SRS information and the second SRS information are different.
  • the difference between the first SRS information and the second SRS information does not mean that the terminal device does not send the SRS that conflicts with the PUSCH, but it instructs the terminal device to decide not to send or delay sending the SRS that conflicts with the PUSCH.
  • the communication method in the embodiment of the present application increases the opportunity for the terminal device to transmit SRS that conflicts with the PUSCH, so that the network device can obtain more SRS to accurately estimate the quality of the uplink channel.
  • the following describes the communication method provided by this application in a scenario where the terminal device does not send or delays sending the SRS that conflicts with the PUSCH in the embodiment of this application.
  • FIG. 6 is a schematic flowchart of a terminal device not sending or delaying sending an SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel according to an embodiment of the present application.
  • the above S103 may include:
  • the terminal device delays sending the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel according to the delay parameter.
  • the network device delays receiving the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel according to the delay parameter.
  • the first SRS information in the embodiment of the present application is a first field
  • the second SRS information is a second field
  • the difference between the first SRS information and the second SRS information is:
  • the field value is different from the field value of the second field.
  • the first field value is 00 and the second field value is 01.
  • the first field value and the second field value in the embodiment of the present application may be as shown in the field values in Table 3 and Table 4 above.
  • the delay parameter in the embodiment of the present application is predefined or configured by the network device for the terminal device.
  • the delay parameter is predefined, that is, both the terminal device and the network device have known the delay parameter in advance.
  • the terminal device delays sending the SRS that conflicts with the PUSCH according to the delay parameter.
  • the delay parameter may be a delay time unit
  • the terminal device delaying sending the SRS conflicting with the PUSCH according to the delay parameter may be: the terminal device determines the first time unit for sending the SRS conflicting with the PUSCH.
  • the terminal device can determine the time unit configured by the network device for sending PUSCH according to the first downlink control information and the second downlink control information; according to the first SRS information, the second SRS information and the SRS parameters in the RRC signaling Centrally determine the time unit for sending the first SRS corresponding to the first SRS information and the time unit for sending the second SRS corresponding to the second SRS information.
  • the time unit where the time units used for PUSCH and SRS transmission overlap is the first time unit.
  • the terminal device determines a second time unit according to the first time unit and the delay time unit, and transmits the SRS that conflicts with the PUSCH on the second time unit.
  • the second time unit may be the sum of the first time unit and the delay time unit. It is worth noting that if the time unit obtained by the sum of the first time unit and the delay time unit does not meet the conditions for sending SRS, then the first time unit that satisfies the SRS transmission is determined after the time unit obtained by the sum. , The first time unit that satisfies the sending of the SRS is the second time unit.
  • the delay time unit in the embodiment of the present application may be any one of a delayed subframe, a delayed symbol, or a delayed time slot.
  • the delay parameter is configured by the network device for the terminal device
  • the method of configuring the delay parameter for the terminal device by the network device will be described from the following aspects in the embodiment of this application:
  • a delay parameter is configured in the RRC signaling. For example, the number of bits can be added to the RRC signaling to indicate the delay parameter.
  • the terminal device may receive RRC signaling from the network device before acquiring the first downlink control information and the second downlink control information. It should be understood that the terminal device can receive the same RRC signaling from the network device before receiving the first downlink control information and the second downlink control information, and the terminal device delays sending and sending according to the delay parameter configured in the RRC signaling.
  • PUSCH conflicting SRS Or, the terminal device receives the first RRC signaling before receiving the first downlink control information, and receives the second RRC signaling before the second downlink control information. In this application, the terminal device determines that the two RRC signalings are relatively more received. The late RRC signaling delays sending the SRS that conflicts with the PUSCH according to the delay parameter configured in the late RRC signaling.
  • the delay parameter is configured in the downlink control information.
  • the number of bits can be added to the downlink control information to indicate the delay parameter.
  • the terminal device determines the later downlink control information in the first downlink control information and the second downlink control information, and delays sending the SRS that conflicts with the PUSCH according to the delay parameter configured in the later downlink control information.
  • the network device only configures the delay parameter in the later downlink control information in the first downlink control information and the second downlink control information.
  • the delay parameter is configured in the first downlink control information, the first downlink control information is later than the second downlink control information in the time domain, and the terminal device is based on the first downlink control information
  • the delay parameter in the information delays sending the SRS that conflicts with the PUSCH; or, the delay parameter is configured in the second downlink control information, and the second downlink control information is later than the first downlink in the time domain. Control information, and the terminal device delays sending the SRS that conflicts with the PUSCH according to the delay parameter in the second downlink control information.
  • the SRS parameter set included in the RRC signaling is configured with a delay parameter.
  • delay parameters can be configured in the SRS parameters corresponding to different field values in the SRS parameter set, that is, it indicates that the SRS information is used to indicate the SRS parameters corresponding to the SRS parameter set (including the delay parameters). ).
  • the delay parameters can also be independently configured in the SRS parameters corresponding to different field values in the SRS parameter set, which means that the SRS information is used to indicate the SRS parameters and the corresponding delay parameters corresponding to the SRS parameter set.
  • the terminal device determines the later SRS information in the first SRS information and the second SRS information (that is, the later downlink control information in the first downlink control information and the second downlink control information) SRS information), obtain the delay parameter corresponding to the later SRS information in the SRS parameter set, and delay sending the SRS that conflicts with the PUSCH according to the delay parameter.
  • the first downlink control information is later than the second downlink control information in the time domain
  • the first SRS information is also used to indicate the delay parameter
  • the second downlink control information is Later than the first downlink control information in the time domain
  • the second SRS information is also used to indicate the delay parameter.
  • the delay parameters in the SRS parameters corresponding to the field values 01, 10, and 11 are K1, K2, and K3, respectively.
  • K1, K2, and K3 can be the same or different.
  • the delay parameter may also be configured in the SRS parameter corresponding to the later SRS information in the first SRS information and the second SRS information.
  • the delay parameter corresponding to the later SRS information is acquired in the SRS parameter set, and the SRS that conflicts with the PUSCH is delayed according to the delay parameter.
  • S1032 If the first SRS information and the second SRS information are different, and if the delay parameter is not predefined and the network device does not configure the delay parameter for the terminal device, then do not send the shared information with the uplink Physical channel and/or uplink control physical channel conflicting SRS.
  • the network device does not receive the The uplink shared physical channel and/or the uplink control physical channel conflicts with the SRS.
  • the delay parameter is not predefined and the network device does not configure the delay parameter for the terminal device, that is, the network The device does not configure the delay parameter in the SRS parameter set of the RRC signaling, downlink control information, or RRC signaling, so that the terminal device cannot obtain the delay parameter, and does not send the SRS that conflicts with the PUSCH.
  • the terminal device does not send an SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel.
  • a predefined delay parameter or a delay parameter configured by the network device for the terminal device is used, so that the terminal device delays sending the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel according to the delay parameter, and then Increasing the chance of SRS transmission achieves the goal of obtaining more SRS for network equipment to accurately estimate the quality of the uplink channel.
  • the network equipment can configure the delay parameter in the RRC signaling, or configure the delay parameter in the downlink control system information, or configure the delay parameter in the SRS parameter set of the RRC signaling, so that the terminal device can obtain the delay parameter and then delay the transmission.
  • the purpose of the SRS conflicting with the uplink shared physical channel and/or the uplink control physical channel is used, so that the terminal device delays sending the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel according to the delay parameter, and then Increasing the chance of SRS transmission achieves the goal of obtaining more SRS for network equipment to accurately estimate the quality of the uplink channel.
  • the embodiment of the present application also provides a communication method, which is applied in a scenario of antenna selection for a terminal device to send SRS.
  • the terminal equipment uses a fixed antenna selection mode to transmit SRS.
  • a terminal device having one transmitting antenna and two receiving antennas (1T2R) is taken as an example.
  • the terminal device transmits SRS it performs a repeated channel sounding (Sounding) working mode on the same antenna.
  • Sounding repeated channel sounding
  • the long transmission period causes the network equipment to be unable to quickly schedule uplink transmission and downlink transmission according to the SRS.
  • an embodiment of the present application provides a communication method.
  • the terminal device selects the antenna selection mode for transmitting the SRS according to the parameters configured by the network device, thereby improving the performance of the terminal for transmitting the SRS.
  • FIG. 7 is a schematic flowchart of another communication method provided by an embodiment of this application.
  • the execution subject of the communication method may be a terminal device.
  • the communication method includes:
  • a network device sends a first parameter to a terminal device, where the first parameter is used to indicate an SRS antenna selection mode of the terminal device.
  • the terminal device receives the first parameter from the network device.
  • the SRS antenna selection mode indicated by the first parameter in the embodiment of the present application is for the terminal device to perform fast SRS antenna selection.
  • the first parameter may be configured by the network device to the terminal device through RRC high-layer signaling.
  • the terminal device when the terminal device is configured to enable SRS antenna selection, the terminal device is configured with at least two SRS parameter sets, and after receiving the first parameter, the SRS antenna selection mode can be obtained according to the following formula 1.
  • T SRS is the period for the terminal device to send SRS
  • T offset is the SRS subframe level offset
  • T offset_max is the maximum value of the subframe level offset
  • n s is the slot number
  • Nsp is the special subframe number
  • N SrsConfig is the number of SRS configurations of the terminal device
  • n SrsConfig follows According to Section 8.2 of 3GPP TS36.213 V15.5.0, ISRS increases in order.
  • the network device configures the following three parameters for the terminal device, 1) configure to enable SRS antenna selection; 2) configure at least two SRS parameter sets; 3) configure the first parameter.
  • the terminal device can obtain the SRS antenna selection mode according to the following formula 1.
  • the terminal device may obtain the SRS antenna selection mode according to the following formula 2.
  • T SRS is the period for the terminal device to send SRS
  • T offset is the SRS subframe level offset
  • T offset_max is the maximum value of the subframe level offset
  • n s is the slot number
  • Nsp is the special subframe number.
  • S202 The terminal device transmits the SRS according to the SRS antenna selection mode.
  • the terminal device may determine the SRS antenna selection mode according to the first parameter.
  • the SRS antenna selection mode determined by the terminal may be a time unit (such as an OFDM symbol, a subframe, a special subframe, etc.) and an antenna port for transmitting the SRS.
  • the terminal transmits the SRS according to the SRS antenna selection mode, that is, the terminal transmits the SRS on the determined time unit through the antenna port.
  • the following describes the SRS antenna selection mode determined by the terminal device according to the first parameter in the form of a table as an example. It should be understood that the table is only an example form.
  • each SRS antenna selection mode shown in Table 8 corresponds to: the terminal equipment transmits the pattern pattern of the antenna port used by the SRS in different time units (such as OFDM symbols, subframes, special subframes, etc.), Or sequence etc.
  • the time unit for sending the SRS is a special subframe, for example, an uplink pilot time slot (UpPTS) as an example for description.
  • the network device configures 6 SRS symbols (that is, symbols used to send SRS) in the UpPTS for the terminal device to send the SRS.
  • the antenna selection mode obtained by the above formula 2 of the terminal device is: continuous sounding of the same antenna in 6 SRS symbols to improve the performance of sounding and improve the quality of SRS sent by the terminal device on the antenna.
  • this antenna selection mode is suitable for terminal equipment located in the edge area of the serving cell, and can improve the quality of the SRS sent by the terminal equipment.
  • the antenna selection mode obtained by the terminal device can be as shown in Table 9 below:
  • Symbol 1, symbol 2, symbol 3, and symbol 4 may be extended symbols in UpPTS, and symbol 5 and symbol 6 are traditional symbols in UpPTS.
  • k SRS is a parameter for acquiring an antenna port, and the terminal device can determine the antenna for transmitting the SRS through the parameter.
  • n SRS is the identifier of the antenna port that sends the SRS.
  • the port in Table 9 can be the antenna port with the identifier 0 or 1. The following describes the antenna corresponding to the port identifier (for example, antenna 0 is the antenna corresponding to port 0) .
  • the antenna No. 0 is controlled on 6 SRS symbols, and in the radio frame Frame(n f +1), in the 6 SRS The symbol controls the continuous sounding of the No. 1 antenna, which can improve the performance of the sounding of the antenna, so as to improve the quality of the terminal equipment sending SRS on the No. 0 antenna and the No. 1 antenna.
  • the antenna selection mode acquired by the terminal device can be as shown in Table 10 below:
  • the terminal device can control the No. 0 antenna, the No. 1, No. 2 antenna and the No. 3 antenna on the 6 SRS symbols respectively to continuously sounding, so as to improve the terminal device's continuous sounding on the No. 0 antenna, No. 1 antenna, No. 2 antenna and The quality of SRS transmitted on antenna 3.
  • the antenna selection mode acquired by the terminal device according to the first parameter is: repeated sounding of two antennas in 6 SRS symbols to ensure sounding performance and ensure that the terminal device transmits SRS the quality of.
  • this antenna selection mode is suitable for terminal equipment located in the first area of the edge area and the central area of the serving cell, and the use of this antenna selection mode can ensure the quality of the SRS sent by the terminal equipment.
  • the antenna selection mode acquired by the terminal device can be as shown in Table 11 below:
  • the 6 SRS symbols are respectively controlled for the No. 0 antenna and the No. 1 antenna for repeated sounding,
  • the sounding performance can be guaranteed to ensure the quality of SRS sent by the terminal equipment on the No. 0 antenna and the No. 1 antenna.
  • the antenna selection mode acquired by the terminal device may be as shown in Table 12 below: a scenario with a relatively fast moving speed.
  • the No. 0 antenna and the No. 1 antenna are controlled to repeat sounding on 6 SRS symbols, and the wireless frame Frame(n f +1 In ), controlling the No. 2 antenna and the No. 3 antenna repeatedly and continuously sounding on the 6 SRS symbols can ensure the performance of the sounding, so as to ensure the quality of the terminal equipment sending SRS on the No. 0 antenna and the No. 1 antenna.
  • the antenna selection mode acquired by the terminal device according to the first parameter (formula 1 above) is: repeated sounding of all antennas in 6 SRS symbols to reduce the period of sounding and improve the transmission of the terminal device SRS speed.
  • this antenna selection mode is suitable for terminal equipment located in the central area of the serving cell. Using this antenna selection mode can reduce the period of sounding and increase the speed of terminal equipment sending SRS, so that network equipment can quickly schedule uplink and downlink according to SRS transmission.
  • the antenna selection mode obtained by the terminal device can be as shown in Table 13 below:
  • the antenna selection mode obtained by the terminal device can be as shown in Table 14 below:
  • the network device enables the terminal device to perform fast SRS antenna selection through the first parameter, so that the terminal device determines an SRS antenna selection mode suitable for the terminal device according to the first parameter, so as to improve the performance of the terminal in sending SRS.
  • FIG. 8 is a first structural diagram of a communication device provided by an embodiment of this application.
  • the communication device involved in this embodiment may be the aforementioned terminal device, or may be a chip applied to the terminal device.
  • the communication device can be used to perform the actions of the terminal device in the foregoing method embodiments.
  • the communication device may include: a transceiver module 11 and a processing module 12. among them,
  • the transceiver module 11 is configured to receive first downlink control information from a network device, where the first downlink control information includes first SRS information.
  • the transceiver module 11 is further configured to receive second downlink control information from the network device, where the second downlink control information includes second SRS information.
  • the processing module 12 is configured to, if the first SRS information is different from the second SRS information, not send or delay sending the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel.
  • the SRS conflicting between the channel and/or the uplink control physical channel is the first SRS corresponding to the first SRS information or the second SRS corresponding to the second SRS information.
  • the processing module 12 is specifically configured to delay sending the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel according to the delay parameter.
  • the delay parameter is predefined or configured by the network device for the terminal device.
  • the first SRS information is further used to indicate the delay parameter, and the first downlink control information is later than the second downlink control information in the time domain; or, the second SRS information is further Used to indicate the delay parameter, the second downlink control information is later than the first downlink control information in the time domain.
  • the processing module 12 is specifically configured to not send the uplink shared physical channel and/or uplink control physical channel if the delay parameter is not predefined and the network device has not configured the delay parameter for the terminal device. SRS for channel conflict.
  • the processing module 12 is further configured to, if the first SRS information and the second SRS information are the same, not to send the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel.
  • the delay parameter is a delay time unit.
  • the processing module 12 is specifically configured to determine the first time unit used to transmit the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel; determine the first time unit according to the first time unit and the delay time unit Two time units, and in the second time unit, the terminal device sends the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel.
  • the first SRS information is used to instruct the terminal device to send the first SRS, and the first SRS is an SRS sent in a first time unit, and the second downlink control information is used to Instruct the terminal device to send the uplink shared physical channel and/or uplink control physical channel on the first time unit; or, the first downlink control information is used to instruct the terminal device to send the uplink shared physical channel and/or the uplink control physical channel in the first time unit Uplink shared physical channel and/or uplink control physical channel, the second SRS information is used to instruct the terminal device to send the second SRS, and the second SRS is sent on the first time unit SRS.
  • the first SRS information is a first field
  • the second SRS information is a second field
  • the difference between the first SRS information and the second SRS information is: a field value of the first field It is different from the field value of the second field.
  • the first SRS information is used to indicate that the terminal device does not send the first SRS.
  • the first SRS information is used to indicate the first SRS parameter set and/or the second SRS parameter set.
  • the first SRS parameter set is: the parameter set of the SRS transmitted on the non-last symbol of the time unit
  • the second The SRS parameter set is: the parameter set of the SRS transmitted on the last symbol of the time unit; or,
  • the first SRS information is used to refer to a third SRS parameter set
  • the third SRS parameter set is: a parameter set of an SRS transmitted on any symbol of a time unit.
  • the transceiver module 11 is further configured to receive a first parameter sent by a network device, where the first parameter is used to indicate an SRS antenna selection mode of the terminal device.
  • the processing module 12 is configured to receive the SRS sent according to the SRS antenna selection mode.
  • the first parameter may be configured by the network device to the terminal device through high-level signaling.
  • the antenna selection mode index is used to indicate the working mode of the antenna and the identification of the antenna.
  • the communication device provided in the embodiment of the present application can perform the actions of the terminal device in the foregoing method embodiment, and its implementation principles and technical effects are similar, and will not be repeated here.
  • FIG. 9 is a schematic structural diagram of another communication device provided by an embodiment of this application.
  • the communication device involved in this embodiment may be the aforementioned network device.
  • the communication device can be used to perform the actions of the terminal device in the foregoing method embodiments.
  • the communication device may include: a transceiver module 21 and a processing module 22. among them,
  • the transceiver module 21 is configured to send first downlink control information to a terminal device, where the first downlink control information includes first SRS information.
  • the transceiver module 21 is further configured to send second downlink control information to the terminal device, where the second downlink control information includes second SRS information.
  • the processing module 22 is configured to, if the first SRS information is different from the second SRS information, not receive or delay receiving the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel.
  • the SRS conflicting between the channel and/or the uplink control physical channel is the SRS corresponding to the first SRS information or the SRS corresponding to the second SRS information.
  • the processing module 22 is specifically configured to delay receiving the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel according to the delay parameter.
  • the delay parameter is predefined or configured by the network device for the terminal device.
  • the first SRS information is further used to indicate the delay parameter, and the first downlink control information is later than the second downlink control information in the time domain; or, the second SRS information is further Used to indicate the delay parameter, the second downlink control information is later than the first downlink control information in the time domain.
  • the processing module 22 is further configured to not receive the uplink shared physical channel and/or the uplink control physical channel if the delay parameter is not predefined and the network device has not configured the delay parameter for the terminal device. SRS for channel conflict.
  • the processing module 22 is further configured to, if the first SRS information and the second SRS information are the same, not receive an SRS that conflicts with the uplink shared physical channel and/or uplink control physical channel.
  • the processing module 22 is specifically configured to determine a first time unit for receiving an SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel; according to the first time unit and the delay time Unit, determining a second time unit, and on the second time unit, the network device receives the SRS that conflicts with the uplink shared physical channel and/or the uplink control physical channel.
  • the first SRS information is used to instruct the terminal device to send the first SRS, and the first SRS is an SRS sent in a first time unit, and the second downlink control information is used to Instruct the terminal device to send the uplink shared physical channel and/or uplink control physical channel on the first time unit; or,
  • the first downlink control information is used to instruct the terminal device to send an uplink shared physical channel and/or an uplink control physical channel on a first time unit
  • the second SRS information is used to instruct the terminal device to send the The second SRS
  • the second SRS is the SRS sent on the first time unit.
  • the first SRS information is a first field
  • the second SRS information is a second field
  • the difference between the first SRS information and the second SRS information is: a field value of the first field It is different from the field value of the second field.
  • the first SRS information is used to indicate that the terminal device does not send the first SRS.
  • the first SRS information is used to indicate the first parameter set and/or the second parameter set, the first parameter set being: the parameter set of the SRS sent on the non-last symbol of the time unit, the second parameter set being : The parameter set of the SRS transmitted on the last symbol of the time unit; or,
  • the first SRS information is used to refer to a third parameter set, and the third parameter set is: a parameter set of the SRS sent on any symbol of the inter unit.
  • the transceiver module 21 is also used to send a first parameter to the terminal device, where the first parameter is used to indicate the SRS antenna selection mode of the terminal device.
  • the first parameter may be configured by the network device to the terminal device through high-level signaling.
  • the communication device provided in the embodiment of the present application can execute the actions of the network device in the foregoing method embodiment, and its implementation principles and technical effects are similar, and will not be repeated here.
  • the above transceiver module may be a transceiver or include a transmitter and a receiver in actual implementation.
  • the processing module can be implemented in the form of software calling through processing elements; it can also be implemented in the form of hardware.
  • the processing module may be a separately established processing element, or it may be integrated in a chip of the above-mentioned device for implementation.
  • it may also be stored in the memory of the above-mentioned device in the form of program code, and a certain processing element of the above-mentioned device Call and execute the functions of the above processing module.
  • all or part of these modules can be integrated together or implemented independently.
  • the processing element described here may be an integrated circuit with signal processing capability. In the implementation process, each step of the above method or each of the above modules can be completed by hardware integrated logic circuits in the processor element or instructions in the form of software.
  • the above modules may be one or more integrated circuits configured to implement the above methods, for example: one or more application specific integrated circuits (ASIC), or one or more microprocessors (digital signal processor, DSP), or, one or more field programmable gate arrays (FPGA), etc.
  • ASIC application specific integrated circuit
  • DSP digital signal processor
  • FPGA field programmable gate arrays
  • the processing element may be a general-purpose processor, such as a central processing unit (CPU) or other processors that can call program codes.
  • CPU central processing unit
  • these modules can be integrated together and implemented in the form of a system-on-a-chip (SOC).
  • SOC system-on-a-chip
  • FIG. 10 is a schematic structural diagram of another communication device provided by an embodiment of this application.
  • the communication device may include: a processor 51 (such as a CPU), a memory 52, and a transceiver 53; the transceiver 53 is coupled to the processor 51, and the processor 51 controls the transceiver 53's transceiving actions; the memory 52 may Including high-speed random access memory (random-access memory, RAM), and may also include non-volatile memory (non-volatile memory, NVM), such as at least one disk memory.
  • the memory 52 can store various instructions for use. To complete various processing functions and implement the method steps of this application.
  • the communication device involved in the present application may further include: a power supply 54, a communication bus 55, and a communication port 56.
  • the transceiver 53 may be integrated in the transceiver of the communication device, or may be an independent transceiver antenna on the communication device.
  • the communication bus 55 is used to implement communication connections between components.
  • the above-mentioned communication port 56 is used to realize connection and communication between the communication device and other peripherals.
  • the above-mentioned memory 52 is used to store computer executable program code, and the program code includes instructions; when the processor 51 executes the instructions, the instructions cause the processor 51 of the communication device to perform the processing of the terminal device in the above method embodiment.
  • the action is to cause the transceiver 53 to perform the receiving and sending actions of the terminal device in the foregoing method embodiment.
  • FIG. 11 is a schematic structural diagram of another communication device provided by an embodiment of this application.
  • the communication device may include: a processor 61 (for example, a CPU), a memory 62, and a transceiver 63; the transceiver 63 is coupled to the processor 61, and the processor 61 controls the transceiving actions of the transceiver 63; the memory 62 may It includes high-speed random access memory (random-access memory, RAM), and may also include non-volatile memory (non-volatile memory, NVM), such as at least one disk memory.
  • the memory 62 can store various instructions for use. To complete various processing functions and implement the method steps of this application.
  • the communication device involved in the present application may further include: a power supply 64, a communication bus 65, and a communication port 66.
  • the transceiver 63 may be integrated in the transceiver of the communication device, or may be an independent transceiver antenna on the communication device.
  • the communication bus 65 is used to implement communication connections between components.
  • the aforementioned communication port 66 is used to realize connection and communication between the communication device and other peripherals.
  • the aforementioned memory 62 is used to store computer executable program code, and the program code includes instructions; when the processor 61 executes the instructions, the instructions cause the processor 61 of the communication device to perform the processing of the network device in the foregoing method embodiment
  • the action is to make the transceiver 63 perform the receiving and sending actions of the network device in the foregoing method embodiment.
  • FIG. 12 is a schematic structural diagram of a communication system provided by an embodiment of this application.
  • the communication system may include: network equipment and terminal equipment.
  • the terminal device may be the communication device in FIG. 8 or FIG. 10, which is used to perform the actions of the terminal device in the above embodiment;
  • the network device may be the communication device in FIG. 9 or FIG. 11, which is used to perform the above implementation.
  • the implementation principles and technical effects of the terminal equipment and the network equipment are similar, and will not be repeated here.
  • the above embodiments it may be implemented in whole or in part by software, hardware, firmware or any combination thereof.
  • software it can be implemented in the form of a computer program product in whole or in part.
  • the computer program product includes one or more computer instructions.
  • the computer program instructions When the computer program instructions are loaded and executed on the computer, the processes or functions according to the embodiments of the present application are generated in whole or in part.
  • the computer can be a general-purpose computer, a dedicated computer, a computer network, or other programmable devices.
  • Computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • computer instructions can be transmitted from a website, computer, server, or data center through a cable (such as Coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means to transmit to another website, computer, server or data center.
  • a 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 or data center integrated with one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)).
  • plural herein refers to two or more.
  • the term “and/or” in this article is only an association relationship describing associated objects, which means that there can be three relationships, for example, A and/or B, which can mean: A alone exists, A and B exist at the same time, exist alone B these three situations.
  • the character "/" in this article generally indicates that the associated objects before and after are in an "or” relationship; in the formula, the character "/" indicates that the associated objects before and after are in a "division" relationship.
  • the size of the sequence numbers of the foregoing processes does not mean the order of execution.
  • the execution order of each process should be determined by its function and internal logic, and should not be implemented in this application.
  • the implementation process of the example constitutes any limitation.

Abstract

本申请实施例提供了一种通信方法、装置、系统和存储介质,该方法包括:终端设备从网络设备接收第一下行控制信息,第一下行控制信息包括第一SRS信息;从网络设备接收第二下行控制信息,第二下行控制信息包括第二SRS信息;若第一SRS信息和第二SRS信息不同,则终端设备不发送或延迟发送与上行共享物理信道和/或上行控制物理信道冲突的SRS,与上行共享物理信道和/或上行共享物理信道冲突的SRS为第一SRS信息对应的第一SRS或第二SRS信息对应的第二SRS。通过在下行控制信息中配置不同的SRS信息,使得终端延迟发送SRS,进而增加了发送SRS的机会,以使网络设备获取更多的SRS对上行信道质量进行准确的估计。

Description

通信方法、装置、系统和存储介质
本申请要求于2019年03月29日提交国家知识产权局、申请号为201910253509.X、申请名称为“通信方法、装置、系统和存储介质”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及通信技术,尤其涉及一种通信方法、装置、系统和存储介质。
背景技术
在长期演进(long term evolution,LTE)通信系统中,网络设备使用终端上报的探测参考信号(Sounding Reference Signal,SRS)来估计不同频段的上行信道质量。这样,网络设备可以在质量好的频段,为终端配置用于上行传输的子帧(简称:上行子帧),以保证上行链路的性能。
现有技术中,为了保证终端在相同的上行子帧上发送SRS和发送上行共享物理信道或上行控制物理信道所使用的符号不重叠,网络设备配置终端在上行子帧的最后一个符号上发送SRS,在上行子帧的其他符号上发送上行共享物理信道或上行控制物理信道。目前,为了获取更多的SRS以对上行信道质量进行准确的估计,引入扩展SRS(扩展SRS)信号的概念。在该场景下,网络设备可以配置终端在上行子帧的其他符号上发送扩展SRS,以增加终端发送SRS的机会。但是,由于扩展SRS可配置在上行子帧的非最后一个符号上发送,因此,在同一个上行子帧中,终端用于发送扩展SRS的符号和用于发送上行共享物理信道或上行控制物理信道的符号可能会出现重叠。
因此,在同一上行子帧中如何对发生重叠的上行数据和增强SRS的处理是亟待解决的问题。
发明内容
本申请实施例提供一种通信方法、装置、系统和存储介质,增加了终端发送SRS的机会,以使网络设备获取更多的SRS以对上行信道质量进行准确的估计。
第一方面,本申请实施例提供一种通信方法,该方法可以应用于终端设备、也可以应用于终端设备中的芯片。下面以应用于终端设备为例对该方法进行描述,该方法中,所述终端设备从网络设备接收第一下行控制信息,所述第一下行控制信息包括第一SRS信息;所述终端设备从所述网络设备接收第二下行控制信息,所述第二下行控制信息包括第二SRS信息;若所述第一SRS信息和所述第二SRS信息不同,则所述终端设备不发送或延迟发送与上行共享物理信道和/或上行控制物理信道冲突的SRS,所述与上行共享物理信道和/或上行控制物理信道冲突的SRS为所述第一SRS信息对应的第一SRS或所述第二SRS信息对应的第二SRS。
可以理解,上述方法中与上行共享物理信道和/或上行控制物理信道冲突的SRS指的是:发送SRS的时间单元和发送上行共享物理信道中的上行数据和/或上行控制物理信道中的上行控制信号的时间单元冲突。时间单元可以为至少一个子帧、或至少一个时隙或至少一个符号。时间单元冲突可以是时间单元中至少一个符号冲突。
上述方法中,通过在第一下行控制信息和第二下行控制信息中设置不同的SRS信息,即第一SRS信息和所述第二SRS信息不同。第一SRS信息和所述第二SRS信息不同并不意味着终端设备不发送与上行共享物理信道和/或上行控制物理信道冲突的SRS,而是指示终端设备进行判决不发送还是延迟发送与上行共享物理信道和/或上行控制物理信道冲突的SRS。进而增加了终端设备发送SRS的机会,以使网络设备获取更多的SRS以对上行信道质量进行准确的估计。
可选的,所述第一SRS信息为第一字段,所述第二SRS信息为第二字段,所述第一SRS信息和所述第二SRS信息不同为:所述第一字段的字段值和所述第二字段的字段值不同。
在一种可能的设计中,所述延迟发送与上行共享物理信道和/或上行控制物理信道冲突的SRS,包括:根据延迟参数,所述终端设备延迟发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,所述延迟参数是预定义的或是由所述网络设备给所述终端设备配置的。
其中,网络设备给所述终端设备配置所述延迟参数中,一种可能的实现方式为:RRC信令中配置有延迟参数。终端设备根据该RRC信令中配置的延迟参数延迟发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
另一种可能的实现方式为:在下行控制信息中均配置有所述延迟参数。可选的,终端设备确定第一下行控制信息和第二下行控制信息中较晚的下行控制信息,根据该较晚的下行控制信息中配置的延迟参数,延迟发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
又一种可能的实现方式为:RRC信令包括的SRS参数集中配置有延迟参数。可选的,终端设备根据第一SRS信息和第二SRS信息,确定第一SRS信息和第二SRS信息中较晚的SRS信息,在SRS参数集获取该较晚的SRS信息对应的延迟参数,根据该延迟参数延迟发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
其中,所述第一SRS信息还用于指示所述延迟参数,所述第一下行控制信息在时域上晚于所述第二下行控制信息;或,所述第二SRS信息还用于指示所述延迟参数,所述第二下行控制信息在时域上晚于所述第一下行控制信息。
可选的,所述延迟参数为延迟时间单元,所述延迟发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS,包括:确定用于发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS的第一时间单元;根据所述第一时间单元和所述延迟时间单元,确定第二时间单元,并在所述第二时间单元上所述终端设备发送所述与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
在一种可能的设计中,若未预定义延迟参数且所述网络设备未给所述终端设备配置所述延迟参数,则所述终端设备不发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
在一种可能的设计中,若所述第一SRS信息和所述第二SRS信息相同,则所述终端设备不发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
上述方法中,通过预定义延迟参数或是由所述网络设备给所述终端设备配置延迟参数,使得在所述第一SRS信息和所述第二SRS信息不同,所述终端设备根据延迟参数延迟发送与上行共享物理信道和/或上行控制物理信道冲突的SRS,已达到增加终端设备发送SRS的机会的目的。
在一种可能的设计中,第一SRS信息用于指示所述终端设备不发送所述第一SRS;或,
第一SRS信息用于指示第一SRS参数集和/或第二SRS参数集,所述第一SRS参数集为:在时间单元的非最后一个符号上发送的SRS的参数集,所述第二SRS参数集为:在时间单元的最后一个符号上发送的SRS的参数集;或,
第一SRS信息用于指第三SRS参数集,所述第三SRS参数集为:在时间单元的任意一个符号上的发送的SRS的参数集。
或者,
第二SRS信息用于指示所述终端设备不发送所述第一SRS;或,
第二SRS信息用于指示第一SRS参数集和/或第二SRS参数集,所述第一SRS参数集为:在时间单元的非最后一个符号上发送的SRS的参数集,所述第二SRS参数集为:在时间单元的最后一个符号上发送的SRS的参数集;或,
第二SRS信息用于指第三SRS参数集,所述第三SRS参数集为:在时间单元的任意一个符号上的发送的SRS的参数集。
该设计中,通过第一SRS信息和第二SRS信息可以指示终端发送或者不发送第一SRS信息对应的第一SRS和第二SRS信息对应的第二SRS。且在指示终端设备发送SRS信息时,终端设备可以在SRS参数集中获取第一SRS和/或第二SRS信息对应的SRS参数。且该设计中可以包括不同类型的SRS的参数集,不同类型的SRS指的是在时间单元的非最后一个符号上发送的SRS、在时间单元的最后一个符号上发送的SRS或在时间单元的任意一个符号上的发送的SRS。
在一种可能的设计中,终端设备从网络设备接收第一参数、第二参数和第三参数,所述第一参数、所述第二参数均用于指示所述终端设备的SRS天线选择模式,所述第三参数用于指示至少两个SRS参数集合;
所述终端设备根据所述第一参数、所述第二参数和所述第三参数,确定SRS天线选择模式,并根据所述SRS天线选择模式发送SRS。
可选的,所述终端设备根据如下公式一确定SRS天线选择模式:
Figure PCTCN2020081775-appb-000001
其中,T SRS是终端设备发送SRS的周期,T offset是SRS子帧级偏移,T offset_max是所述子帧级偏移T offset的最大值,n s是时隙(slot)号,n f为子帧(subframe)号,Nsp为特殊子帧号,N SrsConfig为终端设备SRS配置的个数,n SrsConfig={0,…N SrsConfig-1}是SRS配置个数的角标,n SrsConfig随着3GPP TS36.213 V15.5.0第8.2节ISRS按照顺序增大。
可选的,所述第一参数、所述第二参数和所述第三参数通过高层信令由基站设备配置给终端设备。
可选的,所述SRS天线选择模式包括:用于发送SRS的时间单元和天线端口的标识。
可选的,所述第一参数用于使能所述终端设备进行第一SRS天线选择,所述第二参数用于使能所述终端设备进行第二SRS天线选择,所述第一SRS天线选择对应的选择时间小于时间阈值。
可选的,所述第一参数为使能所述终端设备进行快速SRS天线选择,所述第二参数为使能所述终端设备进行SRS天线选择。
可选的,若所述终端未接收到所述第一参数、所述第二参数和所述第三参数中的至少一种时,采用如下公式二确定SRS天线选择模式。
Figure PCTCN2020081775-appb-000002
其中,T SRS是终端设备发送SRS的周期,T offset是SRS子帧级偏移, Toffset_max是所述子帧级偏移T offset的最大值,n s是时隙(slot)号,n f为子帧(subframe)号,Nsp为特殊子帧号。
在该设计中,网络设备通过参数配置使能终端设备进行SRS天线选择,以使终端设备根据网络设备配置的参数确定适合终端设备的SRS天线选择模式,以提升所述终端发送SRS的性能。
该设计中的SRS天线选择模式的通信方法可以不依赖于上述第一方面的其他可能的设计中的通信方法,可以作为独立的通信方法执行。该设计中的SRS天线选择模式的通信方法具体可参照上述第一方面中的相关描述。
第二方面,本申请实施例提供一种通信方法,该方法可以应用于网络设备、也可以应用于网络设备中的芯片。下面以应用于网络设备为例对该方法进行描述,该方法中,所述网络设备向终端设备发送第一下行控制信息,所述第一下行控制信息包括第一SRS信息;所述网络设备向所述终端设备发送第二下行控制信息,所述第二下行控制信息包括第二SRS信息;若所述第一SRS信息和所述第二SRS信息不同,则所述网络设备不接收或延迟接收与上行共享物理信道和/或上行控制物理信道冲突的SRS,所述与上行共享物理信道和/或上行控制物理信道冲突的SRS为第一SRS信息对应的SRS或所述第二SRS信息对应的SRS。
可以理解,上述方法中与上行共享物理信道和/或上行控制物理信道冲突的SRS指的是:发送SRS的时间单元和发送上行共享物理信道中的上行数据和/或上行控制物理信道中的上行控制信号的时间单元冲突。时间单元可以为至少一个子帧、或至少一个时隙或至少一个符号。时间单元冲突可以是时间单元中至少一个符号冲突。
可选的,所述第一SRS信息为第一字段,所述第二SRS信息为第二字段,所述第一SRS信息和所述第二SRS信息不同为:所述第一字段的字段值和所述第二字段的字段值不同。
在一种可能的设计中,所述延迟接收与上行共享物理信道和/或上行控制物理信道冲突的SRS,包括:根据延迟参数,所述网络设备延迟接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,所述延迟参数是预定义的或是由所述网络设备给所述终端设备配置的。
其中,网络设备给所述终端设备配置所述延迟参数中,一种可能的实现方式为:RRC信令中配置有延迟参数。网络设备根据该RRC信令中配置的延迟参数延迟接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
另一种可能的实现方式为:在下行控制信息中均配置有所述延迟参数。可选的,网络设备确定第一下行控制信息和第二下行控制信息中较晚的下行控制信息,根据该较晚的下行控制信息中配置的延迟参数,延迟接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
又一种可能的实现方式为:RRC信令包括的SRS参数集中配置有延迟参数。可选的,网络设备根据第一SRS信息和第二SRS信息,确定第一SRS信息和第二SRS信息中较晚的SRS信息,在SRS参数集获取该较晚的SRS信息对应的延迟参数,根据该延迟参数延迟接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
其中,所述第一SRS信息还用于指示所述延迟参数,所述第一下行控制信息在时域上晚于所述第二下行控制信息;或,所述第二SRS信息还用于指示所述延迟参数,所述第二下行 控制信息在时域上晚于所述第一下行控制信息。
可选的,所述延迟参数为延迟时间单元,所述延迟接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS,包括:确定用于接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS的第一时间单元;根据所述第一时间单元和所述延迟时间单元,确定第二时间单元,并在所述第二时间单元上接收所述与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
在一种可能的设计中,若未预定义延迟参数且所述网络设备未给所述终端设备配置所述延迟参数,则所述网络设备不接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
在一种可能的设计中,若所述第一SRS信息和所述第二SRS信息相同,则所述网络设备不接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
在一种可能的设计中,第一SRS信息用于指示终端设备不发送所述第一SRS;或,
第一SRS信息用于指示第一SRS参数集和/或第二SRS参数集,所述第一SRS参数集为:在时间单元的非最后一个符号上发送的SRS的参数集,所述第二SRS参数集为:在时间单元的最后一个符号上发送的SRS的参数集;或,
第一SRS信息用于指第三SRS参数集,所述第三SRS参数集为:在时间单元的任意一个符号上的发送的SRS的参数集。或者,
第二SRS信息用于指示所述终端设备不发送所述第一SRS;或,
第二SRS信息用于指示第一SRS参数集和/或第二SRS参数集,所述第一SRS参数集为:在时间单元的非最后一个符号上发送的SRS的参数集,所述第二SRS参数集为:在时间单元的最后一个符号上发送的SRS的参数集;或,
第二SRS信息用于指第三SRS参数集,所述第三SRS参数集为:在时间单元的任意一个符号上的发送的SRS的参数集。
可选的,网络设备向终端设备发送第一参数、第二参数和第三参数,以使所述终端设备根据所述第一参数、所述第二参数和所述第三参数,确定SRS天线选择模式,并根据所述SRS天线选择模式发送SRS。
可选的,所述终端设备确定SRS天线选择模式可以根据如下公式一:
Figure PCTCN2020081775-appb-000003
其中,T SRS是终端设备发送SRS的周期,T offset是SRS子帧级偏移,T offset_max是所述子帧级偏移T offset的最大值,n s是时隙(slot)号,n f为子帧(subframe)号,Nsp为特殊子帧号,N SrsConfig为终端设备SRS配置的个数,n SrsConfig={0,…N SrsConfig-1}是SRS配置个数的角标,n SrsConfig随着3GPP TS36.213 V15.5.0第8.2节ISRS按照顺序增大。
可选的,所述第一参数、所述第二参数和所述第三参数通过高层信令由基站设备配置给终端设备。
可选的,所述SRS天线选择模式包括:用于发送SRS的时间单元和天线端口的标识。
可选的,所述第一参数用于使能所述终端设备进行第一SRS天线选择,所述第二参数用于使能所述终端设备进行第二SRS天线选择,所述第一SRS天线选择对应的选择时间小于时间阈值。
可选的,所述第一参数为使能所述终端设备进行快速SRS天线选择,所述第二参数为使 能所述终端设备进行SRS天线选择。
可选的,若网络设备未向终端设备发送所述第一参数、所述第二参数和所述第三参数中的至少一种时,所述终端设备确定SRS天线选择模式可以根据如下公式二:
Figure PCTCN2020081775-appb-000004
其中,T SRS是终端设备发送SRS的周期,T offset是SRS子帧级偏移,T offset_max是所述子帧级偏移T offset的最大值,n s是时隙(slot)号,n f为子帧(subframe)号,Nsp为特殊子帧号。
该设计中的SRS天线选择模式的通信方法可以不依赖于上述第二方面的其他可能的设计中的通信方法,可以作为独立的通信方法执行。该设计中的SRS天线选择模式的通信方法具体可参照上述第二方面中的相关描述。
上述第二方面所提供的方法,其有益效果可以参见上述第一方面所带来的有益效果,在此不加赘述。
第三方面,本申请实施例提供一种通信装置,所述通信装置包括:收发器和处理器。其中,
收发器,用于从网络设备接收第一下行控制信息,所述第一下行控制信息包括第一SRS信息。
收发器,还用于从所述网络设备接收第二下行控制信息,所述第二下行控制信息包括第二SRS信息。
处理器,用于若所述第一SRS信息和所述第二SRS信息不同,则不发送或延迟发送与上行共享物理信道和/或上行控制物理信道冲突的SRS,所述与上行共享物理信道和/或上行控制物理信道冲突的SRS为所述第一SRS信息对应的第一SRS或所述第二SRS信息对应的第二SRS。
可选的,处理器,具体用于根据延迟参数,延迟发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,所述延迟参数是预定义的或是由所述网络设备给所述终端设备配置的。
可选的,所述第一SRS信息还用于指示所述延迟参数,所述第一下行控制信息在时域上晚于所述第二下行控制信息;或,所述第二SRS信息还用于指示所述延迟参数,所述第二下行控制信息在时域上晚于所述第一下行控制信息。
可选的,处理器,具体用于若未预定义延迟参数且所述网络设备未给所述终端设备配置所述延迟参数,则不发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,处理器,还用于若所述第一SRS信息和所述第二SRS信息相同,则不发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,所述延迟参数为延迟时间单元。
处理器,具体用于确定用于发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS的第一时间单元;根据所述第一时间单元和所述延迟时间单元,确定第二时间单元,并在所述第二时间单元上所述终端设备发送所述与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,所述第一SRS信息用于指示所述终端设备发送所述第一SRS,且所述第一SRS为在第一时间单元上发送的SRS,所述第二下行控制信息用于指示所述终端设备在所述第一时间单元上发送所述上行共享物理信道和/或上行控制物理信道;或,所述第一下行控制信息 用于指示所述终端设备在第一时间单元上发送上行共享物理信道和/或上行控制物理信道,所述第二SRS信息用于指示所述终端设备发送所述第二SRS,且所述第二SRS为在所述第一时间单元上发送的SRS。
可选的,所述第一SRS信息为第一字段,所述第二SRS信息为第二字段,所述第一SRS信息和所述第二SRS信息不同为:所述第一字段的字段值和所述第二字段的字段值不同。
可选的,第一SRS信息用于指示所述终端设备不发送所述第一SRS;或,
第一SRS信息用于指示第一SRS参数集和/或第二SRS参数集,所述第一SRS参数集为:在时间单元的非最后一个符号上发送的SRS的参数集,所述第二SRS参数集为:在时间单元的最后一个符号上发送的SRS的参数集;或,
第一SRS信息用于指第三SRS参数集,所述第三SRS参数集为:在时间单元的任意一个符号上的发送的SRS的参数集。
可选的,收发器,还用于接收网络设备发送的第一参数,所述第一参数用于指示所述终端设备的SRS天线选择模式。
处理器,用于接收根据SRS天线选择模式发送SRS。
可选的,所述第一参数可以通过高层信令由网络设备配置给终端设备的。
本申请实施例提供的通信装置,其有益效果可以参见上述第一方面所带来的有益效果,在此不加赘述。
第四方面,本申请实施例提供一种通信装置,所述通信装置包括:收发器和处理器。其中,
收发器,用于向终端设备发送第一下行控制信息,所述第一下行控制信息包括第一SRS信息。
收发器,还用于向所述终端设备发送第二下行控制信息,所述第二下行控制信息包括第二SRS信息。
处理器,用于若所述第一SRS信息和所述第二SRS信息不同,则不接收或延迟接收与上行共享物理信道和/或上行控制物理信道冲突的SRS,所述与上行共享物理信道和/或上行控制物理信道冲突的SRS为第一SRS信息对应的SRS或所述第二SRS信息对应的SRS。
可选的,处理器,具体用于根据延迟参数,所述网络设备延迟接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,所述延迟参数是预定义的或是由所述网络设备给所述终端设备配置的。
可选的,所述第一SRS信息还用于指示所述延迟参数,所述第一下行控制信息在时域上晚于所述第二下行控制信息;或,所述第二SRS信息还用于指示所述延迟参数,所述第二下行控制信息在时域上晚于所述第一下行控制信息。
可选的,处理器,还用于若未预定义延迟参数且所述网络设备未给所述终端设备配置所述延迟参数,则不接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,处理器,还用于若所述第一SRS信息和所述第二SRS信息相同,则不接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,处理器,具体用于确定用于接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS的第一时间单元;根据所述第一时间单元和所述延迟时间单元,确定第二时间单元,并在所述第二时间单元上所述网络设备接收所述与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,所述第一SRS信息用于指示所述终端设备发送所述第一SRS,且所述第一SRS 为在第一时间单元上发送的SRS,所述第二下行控制信息用于指示所述终端设备在所述第一时间单元上发送所述上行共享物理信道和/或上行控制物理信道;或,
所述第一下行控制信息用于指示所述终端设备在第一时间单元上发送上行共享物理信道和/或上行控制物理信道,所述第二SRS信息用于指示所述终端设备发送所述第二SRS,且所述第二SRS为在所述第一时间单元上发送的SRS。
可选的,所述第一SRS信息为第一字段,所述第二SRS信息为第二字段,所述第一SRS信息和所述第二SRS信息不同为:所述第一字段的字段值和所述第二字段的字段值不同。
可选的,第一SRS信息用于指示所述终端设备不发送所述第一SRS;或,
第一SRS信息用于指示第一参数集和/或第二参数集,所述第一参数集为:在时间单元的非最后一个符号上发送的SRS的参数集,所述第二参数集为:在时间单元的最后一个符号上发送的SRS的参数集;或,
第一SRS信息用于指第三参数集,所述第三参数集为:在间单元的任意一个符号上发送的SRS的参数集。
可选的,收发器,还用于向终端设备发送的第一参数,所述第一参数用于指示所述终端设备的SRS天线选择模式。
可选的,所述第一参数可以通过高层信令由网络设备配置给终端设备的。
第五方面,本申请实施例提供一种通信装置,所述通信装置包括:处理器、存储器、收发器;所述收发器耦合至所述处理器,所述处理器控制所述收发器的收发动作;
其中,存储器用于存储计算机可执行程序代码,程序代码包括指令;当处理器执行指令时,指令使所述通信装置执行如第一方面或第一方面的各可能的设计所提供的通信方法。
第六方面,本申请实施例提供一种通信装置,所述通信装置包括:处理器、存储器、收发器;所述收发器耦合至所述处理器,所述处理器控制所述收发器的收发动作;
其中,存储器用于存储计算机可执行程序代码,程序代码包括指令;当处理器执行指令时,指令使所述通信装置执行如第二方面或第二方面的各可能的设计所提供的通信方法。
第七方面,本申请实施例提供一种通信装置,包括用于执行以上第一方面或第一方面各可能的设计所提供的方法的单元、模块或电路。该通信装置可以为终端设备,也可以为应用于终端设备的一个模块,例如,可以为应用于终端设备的芯片。
第八方面,本申请实施例提供一种通信装置,包括用于执行以上第二方面或第二方面各可能的设计所提供的方法的单元、模块或电路。该通信装置可以为网络设备,也可以为应用于网络设备的一个模块,例如,可以为应用于网络设备的芯片。
第九方面,本申请实施例提供一种通信装置(例如芯片),所述通信装置上存储有计算机程序,在所述计算机程序被所述通信装置执行时,实现如第一方面或第一方面的各可能的设计所提供的方法。
第十方面,本申请实施例提供一种通信装置(例如芯片),所述通信装置上存储有计算机程序,在所述计算机程序被所述通信装置执行时,实现如第二方面或第二方面的各可能的设计所提供的方法。
第十一方面,本申请实施例提供一种包含指令的计算机程序产品,当其在计算机上运行时,使得计算机执行上述第一方面或第一方面的各种可能的设计中的方法。
第十二方面,本申请实施例提供一种包含指令的计算机程序产品,当其在计算机上运行时,使得计算机执行上述第二方面或第二方面的各种可能的设计中的方法。
第十三方面,本申请实施例提供一种计算机可读存储介质,所述计算机可读存储介质中 存储有指令,当其在计算机上运行时,使得计算机执行上述第一方面或第一方面的各种可能的设计中的方法。
第十四方面,本申请实施例提供一种计算机可读存储介质,所述计算机可读存储介质中存储有指令,当其在计算机上运行时,使得计算机执行上述第二方面或第二方面的各种可能的设计中的方法。
第十五方面,本申请实施例提供一种通信系统,包括如上述第三方面中的通信装置和如上述第四方面中的通信装置。
本申请实施例提供的通信方法、装置、系统和存储介质,该方法中终端根据第一下行控制信息和第二下行控制信息确定PUSCH与SRS冲突时,网络设备可以位第一下行控制信息和第二下行控制信息中配置不同的SRS信息,即第一SRS信息和所述第二SRS信息不同。第一SRS信息和所述第二SRS信息不同并不意味着终端不发送与PUSCH冲突的SRS,而是指示终端进行判决不发送还是延迟发送与PUSCH冲突的SRS。本申请实施例中的通信方法增加了终端发送与PUSCH冲突的SRS的机会,以使网络设备获取更多的SRS以对上行信道质量进行准确的估计。
附图说明
图1为本申请实施例应用的移动通信系统的架构示意图;
图2为现有技术中一种SRS配置示意图;
图3为现有技术中另一种SRS配置示意图;
图4为本申请实施例提供的一种通信方法的流程示意图;
图5为SRS与PUSCH冲突的一种示意图;
图6为本申请实施例提供的终端设备不发送或延迟发送与上行共享物理信道和/或上行控制物理信道冲突的SRS的流程示意图;
图7为本申请实施例提供的另一种通信方法的流程示意图;
图8为本申请实施例提供的一种通信装置的结构示意图;
图9为本申请实施例提供的另一种通信装置的结构示意图;
图10为本申请实施例提供的又一种通信装置的结构示意图;
图11为本申请实施例提供的又一种通信装置的结构示意图;
图12为本申请实施例提供的一种通信系统的结构示意图。
具体实施方式
图1为本申请实施例应用的移动通信系统的架构示意图。如图1所示,该移动通信系统可以包括网络设备和终端设备。终端设备通过无线的方式与网络设备相连。图1只是示意图,该移动通信系统中还可以包括其它网络设备,例如还可以包括无线中继设备和无线回传设备等,在图1中未画出。
网络设备是终端设备通过无线方式接入到该移动通信系统中的接入设备,可以是基站NodeB、演进型基站eNodeB、5G移动通信系统或新一代无线(new radio,NR)通信系统中的网络侧、未来移动通信系统中的网络侧、WiFi系统中的接入节点等,本申请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。
终端设备也可以称为终端Terminal、用户设备(user equipment,UE)、移动台(mobile station, MS)、移动终端(mobile terminal,MT)等。终端设备可以是手机(mobile phone)、平板电脑(pad)、带无线收发功能的电脑、虚拟现实(virtual reality,VR)终端设备、增强现实(augmented reality,AR)终端设备、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程手术(remote medical surgery)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端等。
网络设备和终端设备可以部署在陆地上,包括室内或室外、手持或车载;也可以部署在水面上;还可以部署在空中的飞机、气球和人造卫星上。本申请实施例对网络设备和终端设备的应用场景不做限定。
网络设备和终端设备之间可以通过无线信道进行上行数据传输。由于无线信道具有频率选择性衰落(frequency selective fading)特性,即在不同的频段上的衰落特性不同,因此无线信道的该特性会严重影响用于传输上行数据的上行链路的传输性能。为了克服这个问题,现有技术中的网络设备使用终端设备发送的探测参考信号(sounding reference signal,SRS)来估计不同频段的上行信道质量。
下面以LTE现有协议Rel-8到Rel-15中的SRS(传统SRS)为例,对触发终端设备发送SRS的触发类型进行说明。该触发类型包括两种,分别为trigger type 0和trigger type 1。
其中,trigger type 0:由网络设备发送给终端设备的无线资源控制RRC高层信令触发终端设备发送SRS,trigger type 0对应终端设备周期性地发送SRS。其中,终端设备发送SRS的时域、频域、码域等配置参数由RRC高层信令预先配置。
trigger type 1:由网络设备发送给终端设备的下行控制信息(downlink control information,DCI)触发终端设备发送SRS,trigger type 1对应终端设备非周期性地发送的SRS,一个DCI只能触发终端设备发送一次SRS。其中,DCI是用于调度上行传输和下行传输的,每个DCI中配置有用于指示SRS触发状态的字段SRS request field,SRS触发状态可以包括触发态和非触发态。对于终端设备非周期性地发送SRS的时域、频域、码域等配置参数也是由RRC高层信令预先配置,其中,RRC高层信令中包括SRS参数集,SRS参数集中包括不同的字段对应的SRS配置参数。终端设备在接收到网络设备发送的DCI后,能够获取DCI中的字段SRS request field,根据该字段在SRS参数集确定对应的SRS配置参数,进而根据该SRS配置参数发送SRS。
例如,当DCI为DCI format 4/4A/4B/7-0B时,用于指示SRS触发状态的字段在DCI中占用2比特,该字段对应的字段值可以为00、01、10或11中的任一种。其中,00表示SRS触发状态为非触发态,即指示终端设备不发送SRS;01、10或11表示SRS触发状态为触发态,即指示终端设备发送SRS。在终端设备确定DCI中的字段指示发送SRS时,可以根据RRC高层信令中预先配置的SRS参数集确定发送SRS的时域、频域、码域等。SRS参数集中包括不同的字段对应的配置参数,每个字段对应的配置参数可以不同。表一为RRC高层信令中配置的SRS参数集的一种示例。
表一
字段值 描述
00 未触发SRS
01 由RRC高层信令配置的第一组SRS参数
10 由RRC高层信令配置的第二组SRS参数
11 由RRC高层信令配置的第三组SRS参数
例如,当DCI为DCI formats 0/1A/2B/2C/2D时,用于指示SRS触发状态的字段在DCI中占用1比特时,该字段对应的字段值可以为0或1中的任一种。其中,0表示SRS触发状态为非触发态,即指示终端设备不发送SRS;1表示SRS触发状态为触发态,即指示终端设备发送SRS。在终端设备确定DCI中的字段指示发送SRS时,可以根据RRC高层信令中预先配置的SRS参数集确定发送SRS的时域、频域、码域等。表二为RRC高层信令中配置的SRS参数集的另一种示例。
表二
字段值 描述
0 未触发SRS
1 由RRC高层信令配置的SRS参数
DCI是用于调度上行传输和下行传输,且其中包括有用于指示SRS触发状态的字段。在通信系统中,网络设备通常会突发调度上行传输;以及在终端设备数目急剧增加背景下,网络设备往往会配置终端设备进行非周期SRS传输。这样,终端设备在子帧上发送上下行数据或SRS之前,可以接收到来自网络设备发送的多个DCI。
终端设备接收到DCI中,若DCI中的字段指示SRS触发状态为触发态,则终端设备根据RRC信令中该字段对应的SRS参数集,可以确定发送该SRS的子帧,以及该子帧中用于发送SRS的符号。
图2为现有技术中一种SRS配置示意图。如图2所示,现有技术中为了避免上行共享物理信道(Physical Uplink Shared Channel,PUSCH)或上行控制物理信道(Physical Uplink Control Channel,PUCCH)的传输符号和用于发送传统SRS的符号的重叠,网络设备通常配置子帧的最后一个符号上发送传统SRS。下面以PUSCH和SRS冲突为例进行说明,如图2中的阴影部分为用于发送传统SRS的符号,非阴影部分为用于发送PUSCH的符号。
图3为现有技术中另一种SRS配置示意图。现有技术中为了获取更多的SRS以对上行信道质量进行准确的估计,LTE协议Rel-16中将引入扩展SRS。扩展SRS可以配置在子帧的非最后一个符号上的其他的一个或多个符号上。如图3中的黑色部分的符号所示。若在相同的子帧的相同符号上进行PUSCH的发送和SRS的发送,则黑色部分的符号与非阴影部分的符号发生重叠,在该子帧在进行上行传输时,导致在重叠的符号上的PUSCH的传输和扩展SRS的发送相冲突。
现有技术中为了保证SRS的正确发送,在该子帧之前接收到的触发该子帧上发送SRS的DCI中用于指示SRS触发状态的字段必须相同。且在PUSCH的传输和扩展SRS的发送相冲突时,为了保证PUSCH的准确发送,现有技术中会直接将与PUSCH的传输冲突的扩展SRS丢弃,这样并不能达到增强SRS容量和覆盖范围的目的。
图3中示出的为用于发送扩展SRS的符号和用于发送PUSCH的符号全部重叠,可以理解的是,用于发送扩展SRS的符号和用于发送PUSCH的符号中至少有一个重叠,也会导致PUSCH的传输和扩展SRS的发送相冲突。而现有技术中的做法均是将直接将扩展SRS丢弃。图3中示出的为在一个子帧上既配置传统SRS又配置扩展SRS。可以理解的是,在子帧上还可以仅配置传统SRS或扩展SRS。
为了解决上述问题,本申请实施例提供了一种通信方法。当PUSCH和/或PUCCH的传输和SRS的发送相冲突时,通过网络设备在两个DCI中配置不同的SRS信息。使得终端设备根据两个DCI中不同的SRS信息,延迟发送或不发送SRS,进而增加了终端设备发送SRS的机会,以达到网络设备获取更多的SRS以对上行信道质量进行准确的估计的目的。
本申请实施例中的通信方法可以应用在扩展SRS的发送与PUSCH和/或PUCCH的传输相冲突的场景中,还可以应用在传统SRS的发送与PUSCH和/或PUCCH的传输相冲突的场景中,还可以应用在扩展SRS和传统SRS的发送均与PUSCH和/或PUCCH的传输相冲突的场景中。可以理解的是,本申请实施例中的通信方法还可以用在其他类型的SRS的发送与PUSCH和/或PUCCH的传输相冲突的场景中。
下面结合图4从网络设备和终端设备交互的角度对本申请提供的通信方法进行说明。图4为本申请实施例提供的一种通信方法的流程示意图。如图4所示,该通信方法包括:
S101,网络设备向终端设备发送第一下行控制信息,所述第一下行控制信息包括第一SRS信息。
对应的,终端设备从网络设备接收第一下行控制信息。
S102,网络设备向所述终端设备发送第二下行控制信息,所述第二下行控制信息包括第二SRS信息。
对应的,终端设备从所述网络设备接收第二下行控制信息。
S103,若所述第一SRS信息和所述第二SRS信息不同,则终端设备不发送或延迟发送与上行共享物理信道和/或上行控制物理信道冲突的SRS,与所述上行共享物理信道和/或上行控制物理信道冲突的SRS为第一SRS或第二SRS。
对应的,若所述第一SRS信息和所述第二SRS信息不同,则网络设备不接收或延迟接收与上行共享物理信道和/或上行控制物理信道冲突的SRS。
下述实施例中以SRS和上行共享物理信道(下述简称为PUSCH)冲突为例进行说明。
上述中的第一SRS信息和所述第二SRS信息均为“SRS信息”,且用于指示终端设备发送或不发送SRS,这里的“第一”和“第二”是为了区分两个“SRS信息”。应理解,当第一SRS信息用于指示终端设备发送SRS时,终端设备发送的SRS为第一SRS。同理的,当第二SRS信息用于指示终端设备发送SRS时,终端设备发送的SRS为第二SRS。
其中,第一SRS信息和第二SRS信息可以是下行控制信息DCI中包括的用于指示终端设备发送或不发送SRS的信息,该信息可以为字段、也可以是字段值或也可以是DCI中的用于指示终端设备发送或不发送SRS的其他参数。
上述的第一SRS信息与第二SRS信息不同,可以是第一SRS信息和第二SRS信息指示的含义不同。例如:第一SRS信息用于指示终端设备不发送SRS,第二SRS信息用于指示终端设备发送SRS。或,
第一SRS信息与第二SRS信息不同,可以是第一SRS信息与第二SRS信息不同。例如,当SRS信息为字段时,第一SRS信息与第二SRS信息不同可以为:第一SRS信息对应的第一字段与第二SRS信息对应的第二字段不同,例如,第一字段为00,第二字段为01,则第一SRS信息与第二SRS信息不同,或,第一字段为10,第二字段为01,则第一SRS信息与第二SRS信息不同;或,第一SRS信息与第二SRS信息不同可以是第一SRS信息对应的第一字段指示的含义与第二SRS信息对应的第二字段指示的含义不同,例如,第一字段为0,用于指示终端设备不发送SRS,第二字段为1,用于指示终端设备发送SRS,则第一SRS信息与第二SRS信息不同。或,
可以理解的是,当第一信息为DCI中的其他第一参数,第二信息为DCI中的其他第二参数时,第一信息与第二信息的不同可以为第一参数和第二参数的不同,或第一参数的含义和第二参数的含义不同。
为了更好的对本申请中的通信方法进行说明,首先对网络设备发送的RRC信令中包括的 SRS参数集进行说明。
本申请实施例中网络设备可以在RRC信令中单独配置扩展SRS的参数集,也可以在现有的SRS参数集的基础上增加扩展SRS的参数集,现有技术中的SRS参数集为传统SRS的参数集,如上表一和表二所示。即本申请实施例中RRC信令中的SRS参数集可以包括扩展SRS的参数集,或也可以包括传统SRS的参数集和扩展SRS的参数集。可以理解的是,若存在其他类型的SRS与PUSCH相冲突,则RRC信令中的SRS参数集可以包括其他类型的SRS的参数集。应理解,在RRC信令配置了哪种类型的SRS参数集时,终端设备可以进行该种类型的SRS的发送。
为了使得传统SRS和扩展SRS能够在相同的子帧上发送,本申请实施例中还设计了一种触发传统SRS和扩展SRS在相同的子帧上发送的触发规则。下面以RRC信令中的SRS参数集包括传统SRS的参数集和扩展SRS的参数集为例对该触发规则和SRS参数集进行说明。
DCI中包含有SRS信息,该SRS信息用于指示终端设备发送或不发送SRS。以DCI中的SRS信息为字段,且该字段值占用DCI中的2比特进行示例说明。如表三所示,SRS信息可以为00、01、10或11中的任意一种。其中,由于SRS参数集包括传统SRS的参数集和扩展SRS的参数集,则当SRS信息为00时,SRS信息用于指示终端设备不发送传统SRS和扩展SRS;当SRS信息为01、10或11中的任意一种时,SRS信息用于指示终端设备发送传统SRS和/或扩展SRS,且SRS信息还用于指示第一参数集和/或第二参数集。其中,所述第一参数集包括:在子帧上的非最后一个符号上发送的SRS的配置参数,即该第一参数集为扩展SRS的参数集。所述第二参数集包括:在子帧上的最后一个符号上发送的SRS的配置参数,即该第二参数集为传统SRS的参数集。进一步的,终端设备可以根据SRS参数集确定发送传统SRS和扩展SRS的时间单元。本申请实施例中的时间单元可以为子帧,也可以为OFDM符号,也可以为时隙(slot)。
表三
Figure PCTCN2020081775-appb-000005
表三中所示的不同的字段对应的传统SRS的参数集和/或扩展SRS的参数集为两个独立的参数集。表四中的SRS参数集中虽然也包括传统SRS的参数集和/或扩展SRS的参数集,但与表三不同的是,表四中的不同的SRS信息指示的第三参数集。所述第三参数集包括:在子帧上的任意一个符号上发送的SRS的配置参数,即第三参数集为传统SRS的参数集和/或扩展SRS的参数集的集合。可选的,其中,由RRC高层信令配置的传统SRS和/或扩展SRS参数可以包括但不限于发送传统SRS和/或扩展SRS的时间单元的个数、时间单元的位置等。
表四
Figure PCTCN2020081775-appb-000006
Figure PCTCN2020081775-appb-000007
可以理解的是,SRS信息为字段时,该字段值在DCI中也可以占用1比特。表五中示出了字段值为1比特时,本申请实施例中RRC信令中包括的SRS参数集。
表五
Figure PCTCN2020081775-appb-000008
本申请实施例中,在第一SRS信息用于指示终端设备发送第一SRS时,终端设备可以根据第一SRS信息在SRS参数集中确定用于发送第一SRS的时间单元。同理的,在第二SRS信息用于指示终端设备发送第二SRS时,终端设备可以根据第二SRS信息在SRS参数集中确定用于发送第二SRS的时间单元。由于第一下行控制信息和第二下行控制信息均用于调度上行传输或下行传输,则终端设备可以根据第一下行控制信息和第二下行控制信息确定用于PUSCH传输的时间单元。据此,终端设备可以根据确定SRS和PUSCH是否冲突。
其中,若SRS与PUSCH冲突,本申请实施例中的冲突指的是用于发送SRS的时间单元与用于发送PUSCH的时间单元在时域和/或频域上重叠。本申请实施例中的时间单元为至少一个子帧或至少一个OFDM符号或至少一个时隙(slot)。应理解,在一个DCI中,网络设备配置发送SRS和PUSCH的时间单元可以是不重叠的。本申请实施例中以第一下行控制信息和第二下行控制信息中用于发送SRS和PUSCH的时间单元重叠(即SRS与PUSCH冲突)为例进行说明。
用于发送SRS和PUSCH的时间单元重叠(即SRS与PUSCH冲突),一种可能的场景为:当与PUSCH冲突的SRS为所述第一SRS信息对应的第一SRS时,所述第一SRS信息用于指示所述终端设备发送所述第一SRS,且所述第一SRS为在第一时间单元上发送的SRS,所述第二下行控制信息用于指示在所述第一时间单元上发送所述PUSCH。可选的,该种情况下,第二信息可以用于指示终端设备发送所述第二SRS,而发送所述第二SRS的时间单元与第一时间单元不同。可选的,该种情况下,第二信息可以用于指示终端设备不发送所述第二SRS。
该种场景下,第一SRS信息用于指示第一SRS参数集和/或第二SRS参数集,所述第一SRS参数集为:在时间单元的非最后一个符号上发送的SRS的参数集,所述第二SRS参数集为:在时间单元的最后一个符号上发送的SRS的参数集;或,第一SRS信息用于指第三SRS参数集,所述第三SRS参数集为:在时间单元的任意一个符号上的发送的SRS的参数集。
其中,在第二SRS信息指示终端设备发送第二SRS时,第二信息也可以用于指示第一SRS参数集和/或第二SRS参数集,或第二信息也可以用于指示第三SRS参数集。第一SRS参数集、第二SRS参数集和第三SRS参数集可以与上述相同。
另一种可能的场景为:当与PUSCH冲突的SRS为所述第一SRS信息对应的第一SRS时,所述第一下行控制信息用于指示在第一时间单元上发送PUSCH,所述第二SRS信息用于指示所述终端设备发送所述第二SRS,且所述第二SRS为在所述第一时间单元上发送的 SRS。可选的,该种情况下,第一信息可以用于指示终端设备发送所述第一SRS,而发送所述第一SRS的时间单元与第一时间单元不同。可选的,该种情况下,第一信息可以用于指示终端设备不发送所述第二SRS。
该种情况下,第二SRS信息用于指示第一SRS参数集和/或第二SRS参数集,所述第一SRS参数集为:在时间单元的非最后一个符号上发送的SRS的参数集,所述第二SRS参数集为:在时间单元的最后一个符号上发送的SRS的参数集;或,第二SRS信息用于指第三SRS参数集,所述第三SRS参数集为:在时间单元的任意一个符号上的发送的SRS的参数集。
其中,在第一SRS信息指示终端设备发送第一SRS时,第一信息也可以用于指示第一SRS参数集和/或第二SRS参数集,或第一信息也可以用于指示第三SRS参数集。第一SRS参数集、第二SRS参数集和第三SRS参数集可以与上述相同。
需要注意的是,由于SRS与PUSCH冲突,即表明发送SRS的时间单元与发送PUSCH的时间单元存在重叠,可以是全部重叠,也可以是部分重叠。本申请实施例中,终端设备不发送或延迟发送与PUSCH冲突的SRS,可以为终端设备不发送或延迟发送与PUSCH存在重叠的全部的SRS,例如,图5为SRS与PUSCH冲突的一种示意图。图5以时间单元为OFDM符号为例进行说明,如图5所示,用于传输PUSCH的OFDM符号为在时域位置为1和3的时间单元(图5中的斜线阴影),而用于发送SRS的OFDM符号为在时域位置为3和5的时间单元(图5中的方格状阴影),此时,用于传输PUSCH和用于发送SRS的时间单元在该子帧中时域位置为3存在重叠。该种情况下,终端设备在子帧中时域位置为3和5的时间单元上不发送SRS或延迟发送该SRS。
可选的,本申请实施例中,终端设备不发送或延迟发送与PUSCH冲突的SRS,可以为终端设备不发送或延迟发送与PUSCH存在重叠的SRS。例如,如图5所示,该种情况下,终端设备在子帧中时域位置为3的时间单元上不发送SRS或延迟发送原本应在子帧中时域位置为3的时间单元上发送的SRS。
可以理解的是,本申请实施例中终端设备延迟发送与PUSCH存在重叠的SRS可以为:终端设备延迟在新的时间单元上发送与PUSCH存在重叠的SRS。其中,新的时间单元可以为新的子帧、或新的时隙或新的符号。
例如,当新的时间单元为新的子帧时,终端设备将与PUSCH存在重叠的SRS在该新的子帧上发送。可选的,该新的子帧可以为时域上发送PUSCH的子帧4ms之后,第一个满足发送SRS要求的子帧,其中满足发送SRS要求的子帧可以参照现有技术中的条件。可选的,也可以在新的时隙或新的符号上发送与PUSCH存在重叠的SRS,其中,新的时隙或新的符号可以为发送PUSCH的子帧中的时隙或符号,或也可以是新的子帧中的时隙或符号。
需要说明的是,本申请实施例中的方法还可以应用于终端设备在发送PUSCH之前接收到多个DCI的场景中,终端设备可以根据接收到的在时域上相邻的两个DCI,均可采用上述方法,在SRS和PUSCH存在冲突时不发送或延迟发送与PUSCH冲突的SRS。
本申请实施例提供的通信方法中,终端设备根据第一下行控制信息和第二下行控制信息确定PUSCH与SRS冲突时,网络设备可以为第一下行控制信息和第二下行控制信息中配置不同的SRS信息,即第一SRS信息和所述第二SRS信息不同。第一SRS信息和所述第二SRS信息不同并不意味着终端设备不发送与PUSCH冲突的SRS,而是指示终端设备进行判决不发送还是延迟发送与PUSCH冲突的SRS。本申请实施例中的通信方法增加了终端设备发送与PUSCH冲突的SRS的机会,以使网络设备获取更多的SRS以对上行信道质量进行准确的估计。
下面对本申请实施例中从终端设备不发送或延迟发送与PUSCH冲突的SRS的场景对本申请提供的通信方法进行说明。
本申请实施例中,图6为本申请实施例提供的终端设备不发送或延迟发送与上行共享物理信道和/或上行控制物理信道冲突的SRS的流程示意图。如图6所示,其中,上述S103可以包括:
S1031,若所述第一SRS信息和所述第二SRS信息不同,终端设备根据延迟参数,延迟发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
对应的,若所述第一SRS信息和所述第二SRS信息不同,网络设备根据延迟参数,延迟接收与所述所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
其中,本申请实施例中的第一SRS信息为第一字段,所述第二SRS信息为第二字段,所述第一SRS信息和所述第二SRS信息不同为:所述第一字段的字段值和所述第二字段的字段值不同,例如,第一字段值为00,第二字段值为01。本申请实施例中的第一字段值和第二字段值可如上述表三和表四中的字段值所示。
本申请实施例中的所述延迟参数是预定义的或是由所述网络设备给所述终端设备配置的。
其中,若延迟参数是预定义的,即终端设备和网络设备均已预先知晓该延迟参数。在所述第一SRS信息和所述第二SRS信息不同时,终端设备根据该延迟参数,延迟发送与所述PUSCH冲突的SRS。
本申请实施例中,延迟参数可以为延迟时间单元,终端设备根据延迟参数延迟发送与所述PUSCH冲突的SRS可以为:终端设备确定用于发送与所述PUSCH冲突的SRS的第一时间单元。其中,终端设备可以根据第一下行控制信息和第二下行控制信息,确定网络设备配置的用于发送PUSCH的时间单元;根据第一SRS信息、第二SRS信息和RRC信令中的SRS参数集中确定用于发送第一SRS信息对应的第一SRS的时间单元,以及用于发送第二SRS信息对应的第二SRS的时间单元。其中用于PUSCH和SRS发送的时间单元存在重叠的时间单元即为第一时间单元。
终端设备根据第一时间单元和延迟时间单元,确定第二时间单元,并在所述第二时间单元上发送所述与所述PUSCH冲突的SRS。其中,第二时间单元可以是第一时间单元和延迟时间单元的加和。值得注意的是,若第一时间单元和延迟时间单元的加和所获取的时间单元不满足发送SRS的条件,则在该加和所获取的时间单元之后确定第一个满足发送SRS的时间单元,该第一个满足发送SRS的时间单元为第二时间单元。本申请实施例中的延迟时间单元可以为延迟子帧、延迟符号或延迟时隙中的任一种。
其中,若延迟参数是由所述网络设备给所述终端设备配置的,则本申请实施例中从以下几个方面对网络设备给终端设备配置延迟参数的方式进行说明:
第一种可能的方式:RRC信令中配置有延迟参数,例如,可以在RRC信令中增加比特数用于指示延迟参数。实际应用场景中,终端设备在获取第一下行控制信息和第二下行控制信息之前可以接收到来自网络设备的RRC信令。应理解,终端设备在接收第一下行控制信息和第二下行控制信息之前可以接收到来自网络设备的同一个RRC信令,终端设备根据该RRC信令中配置的延迟参数延迟发送与所述PUSCH冲突的SRS。或,终端设备在接收第一下行控制信息之前接收到第一RRC信令,在第二下行控制信息之前接收到第二RRC信令,本申请中终端设备确定两个RRC信令中接收较晚的RRC信令,根据较晚的RRC信令中配置的延迟参数延迟发送与所述PUSCH冲突的SRS。
第二种可能的方式:在下行控制信息中均配置有所述延迟参数,例如,可以在下行控制信息中增加比特数用于指示延迟参数。终端设备确定第一下行控制信息和第二下行控制信息中较晚的下行控制信息,根据该较晚的下行控制信息中配置的延迟参数,延迟发送与所述PUSCH冲突的SRS。
或,网络设备仅在第一下行控制信息和第二下行控制信息中较晚的下行控制信息中配置延迟参数。可选的,所述第一下行控制信息中配置有所述延迟参数,所述第一下行控制信息在时域上晚于所述第二下行控制信息,终端设备根据第一下行控制信息中的延迟参数延迟发送与所述PUSCH冲突的SRS;或,所述第二下行控制信息中配置有所述延迟参数,所述第二下行控制信息在时域上晚于所述第一下行控制信息,终端设备根据第二下行控制信息中的延迟参数延迟发送与所述PUSCH冲突的SRS。
第三种可能的方式:RRC信令包括的SRS参数集中配置有延迟参数。
如下表六所示,本申请实施例中可以在SRS参数集中不同的字段值对应的SRS的参数中配置延迟参数,即表明SRS信息用于指示SRS参数集对应的SRS的参数(包含有延迟参数)。或如表七所示,还可以在SRS参数集中不同的字段值对应的SRS的参数中独立配置延迟参数,即表明SRS信息用于指示SRS参数集对应的SRS的参数和对应的延迟参数。
终端设备根据第一SRS信息和第二SRS信息,确定第一SRS信息和第二SRS信息中较晚的SRS信息(即第一下行控制信息和第二下行控制信息中较晚的下行控制信息中的SRS信息),在SRS参数集获取该较晚的SRS信息对应的延迟参数,根据该延迟参数延迟发送与所述PUSCH冲突的SRS。例如,所述第一下行控制信息在时域上晚于所述第二下行控制信息时,所述第一SRS信息还用于指示所述延迟参数;或,所述第二下行控制信息在时域上晚于所述第一下行控制信息,所述第二SRS信息还用于指示所述延迟参数。
如下表六和表七所示,其中字段值01、10和11对应的SRS参数中的延迟参数分别为K1、K2和K3,可选的,K1、K2和K3可以相同或不同。
表六
Figure PCTCN2020081775-appb-000009
表七
Figure PCTCN2020081775-appb-000010
Figure PCTCN2020081775-appb-000011
可选的,也可以在第一SRS信息和第二SRS信息中较晚的SRS信息对应的SRS参数中配置延迟参数。这样,根据该较晚的SRS信息,在SRS参数集获取该较晚的SRS信息对应的延迟参数,根据该延迟参数延迟发送与所述PUSCH冲突的SRS。
可以理解的是,上述三种网络设备为终端设备配置延迟参数的方式可以择一使用,也可以结合使用。
S1032,若所述第一SRS信息和所述第二SRS信息不同,且若未预定义延迟参数且所述网络设备未给所述终端设备配置所述延迟参数,则不发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
对应的,若所述第一SRS信息和所述第二SRS信息不同,若未预定义延迟参数且所述网络设备未给所述终端设备配置所述延迟参数,则网络设备不接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
本申请实施例中,在所述第一SRS信息和所述第二SRS信息不同的前提下,若未预定义延迟参数且所述网络设备未给所述终端设备配置所述延迟参数,即网络设备未在RRC信令、下行控制信息或RRC信令的SRS参数集中配置延迟参数,导致终端设备无法获取延迟参数,则不发送与所述PUSCH冲突的SRS。
应理解,本申请实施例中的S1031和S1032不存在先后顺序的区分,二者可以择其一执行。
可选的,本申请实施例中,若所述第一SRS信息和所述第二SRS信息相同,则该场景与现有技术中为了保证SRS的发送,在每个DCI中配置的SRS信息必须相同的场景一致,则终端设备不发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
本申请实施例中,通过预定义的延迟参数或网络设备给终端设备配置的延迟参数,使得终端设备根据延迟参数延迟发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS,进而增加SRS发送的机会,达到了网络设备获取更多的SRS以对上行信道质量进行准确的估计的目的。进一步的,网络设备可以在RRC信令中配置延迟参数、或在下行控制系信息中配置延迟参数、或在RRC信令的SRS参数集中配置延迟参数,能够达到终端设备获取延迟参数,进而延迟发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS的目的。
本申请实施例中还提供一种通信方法,应用于终端设备发送SRS的天线选择的场景中。现有技术中,终端设备采用固定的天线选择模式发送SRS。例如,以终端设备中具有1根发射天线和2根接收天线为例(1T2R)为例,例如,终端设备在发送SRS时,对同一根天线进行重复信道探测(Sounding)的工作模式。这样,对于处于服务小区边缘区域的终端来说,可以提高该同一根天线发送SRS的质量;但对于处于服务小区边缘区域的终端来说,不便于终端设备快速所有天线上的SRS进行发送,SRS发送周期较长,导致网络设备根据SRS不能快速调度上行传输和下行传输。
为了解决上述问题,本申请实施例中提供了一种通信方法,终端设备根据网络设备配置的参数,对发送SRS的天线选择模式进行选择,提高了终端发送SRS的性能。
图7为本申请实施例提供的另一种通信方法的流程示意图。该通信方法的执行主体可以为终端设备。如图7所示,该通信方法包括:
S201,网络设备向终端设备发送第一参数,所述第一参数用于指示所述终端设备的SRS天线选择模式。
对应的,终端设备从网络设备接收所述第一参数。
应理解,本申请实施例中的第一参数指示的SRS天线选择模式为终端设备进行快速SRS天线选择。可选的,所述第一参数可以通过RRC高层信令由网络设备配置给终端设备。
应理解,当终端设备配置为使能SRS天线选择,终端设备配置了至少两个SRS参数集合,且接收到第一参数后,可以根据如下公式一获取SRS天线选择模式。
Figure PCTCN2020081775-appb-000012
其中,T SRS是终端设备发送SRS的周期,T offset是SRS子帧级偏移,T offset_max是所述子帧级偏移T offset的最大值,n s是时隙(slot)号,n f为子帧(subframe)号,Nsp为特殊子帧号,N SrsConfig为终端设备SRS配置的个数,n SrsConfig={0,…N SrsConfig-1}是SRS配置个数的角标,n SrsConfig随着3GPP TS36.213 V15.5.0第8.2节ISRS按照顺序增大。
应理解,网络设备在给终端设备配置了如下三种参数时,1)配置为使能SRS天线选择;2)配置了至少两个SRS参数集合;3)配置第一参数。终端设备可以根据如下公式一获取SRS天线选择模式。
可选的,当网络设备未给终端设备配置如上三种参数中的至少一种参数时,终端设备可以根据如下公式二获取SRS天线选择模式。
Figure PCTCN2020081775-appb-000013
其中,T SRS是终端设备发送SRS的周期,T offset是SRS子帧级偏移,T offset_max是所述子帧级偏移T offset的最大值,n s是时隙(slot)号,n f为子帧(subframe)号,Nsp为特殊子帧号。
应理解,上述公式一和公式二可以是预定义的。S202,所述终端设备根据SRS天线选择模式发送SRS。
终端设备可以根据第一参数确定SRS天线选择模式。可选的,终端确定的SRS天线选择模式可以为用于发送SRS的时间单元(如OFDM符号,子帧,特殊子帧等)和天线端口。终端根据SRS天线选择模式发送SRS,即终端通过该天线端口在确定的时间单元上发送SRS。
为了便于说明,下述以表格的形式对终端设备根据第一参数确定的SRS天线选择模式进行示例说明。应理解,表格仅为一种示例形式。
应理解,表八中采用2比特的方式表示第一参数为一种示例,也可采用其他方式(例如1比特)表示。其中,表八中所示的每种SRS天线选择模式均对应:终端设备在不同的时间单元(如OFDM符号,子帧,特殊子帧等)上,发送SRS所使用的天线端口的图样pattern,或顺序等。
表八
第一参数 描述
00 第一种天线模式
01 第二种天线模式
10 第三种天线模式
11 预留
下面对终端获取的SRS天线选择模式进行说明。其中,以发送SRS的时间单元为特殊子帧,例如,上行导频时隙(uplink pilot time slot,UpPTS)为例进行说明。本申请实施例中网络设备在UpPTS中配置了6个SRS符号(即用于发送SRS的符号)用于终端设备发送SRS。
一种可能的方式为:终端设备上述公式二获取的天线选择模式为:在6个SRS符号对同一根天线进行持续sounding,以提高sounding的性能,提高终端设备在该天线上发送SRS的质量。可选的,该种天线选择模式适用于位于服务小区边缘区域的终端设备,可以提高终端设备发送SRS的质量。
其中,对于终端设备配置的天线为1T2R或2T4R时,终端设备获取的天线选择模式可以如下表九所示:
表九
Figure PCTCN2020081775-appb-000014
符号1、符号2、符号3和符号4可以为UpPTS中的扩展符号,符号5和符号6为UpPTS中的传统符号。其中,k SRS为获取天线端口的参数,终端设备通过该参数可以确定发送SRS的天线。Frame(n f)为发送SRS的UpPTS对应的无线帧的标识,Frame(n f+1)为发送Frame(n f)之后的一个无线帧。n SRS为发送SRS的天线端口的标识,表九中的端口可以为标识为0或1的天线端口,下述以端口标识对应的天线进行说明(如0号天线为0号端口对应的天线)。如表九所示,该种场景下,例如,无线帧Frame(n f)中,在6个SRS符号上控制0号天线,以及在无线帧Frame(n f+1)中,在6个SRS符号上控制1号天线持续sounding,可以提高天线sounding的性能,以提高终端设备在该0号天线和1号天线上发送SRS的质量。
其中,对于终端设备配置的天线为1T4R时,终端设备获取的天线选择模式可以如下表十所示:
对于1T4R天线,终端设备可以在6个SRS符号上分别控制0号天线、1号天线、2号天线和3号天线持续sounding,以提高终端设备在0号天线、1号天线、2号天线和3号天线上发送SRS的质量。
表十
Figure PCTCN2020081775-appb-000015
Figure PCTCN2020081775-appb-000016
另一种可能的方式为:终端设备根据第一参数(如上公式一)获取的天线选择模式为:在6个SRS符号对两根天线进行反复sounding,以保证sounding的性能,保证终端设备发送SRS的质量。可选的,该种天线选择模式适用于位于服务小区的边缘区域和中心区域的第一区域中的终端设备,采用该天线选择模式可以保证终端设备发送SRS的质量。
其中,对于终端设备配置的天线为1T2R或2T4R时,终端设备获取的天线选择模式可以如下表十一所示:
表十一
Figure PCTCN2020081775-appb-000017
如表十一所示,该种场景下,例如,无线帧Frame(n f)和Frame(n f+1)中,在6个SRS符号上分别控制0号天线、1号天线反复持续sounding,可以保证sounding的性能,以保证终端设备在该0号天线和1号天线上发送SRS的质量。
其中,对于终端设备配置的天线为1T4R时,终端设备获取的天线选择模式可以如下表十二所示:移动速度比较快的场景。
表十二
Figure PCTCN2020081775-appb-000018
如表十二所示,该种场景下,例如,无线帧Frame(n f)中,在6个SRS符号上控制0号天线和1号天线反复持续sounding,以及无线帧Frame(n f+1)中,在6个SRS符号上控制2号天线和3号天线反复持续sounding,可以保证sounding的性能,以保证终端设备在该 0号天线和1号天线上发送SRS的质量。
又一种可能的方式为:终端设备根据第一参数(如上公式一)获取的天线选择模式为:在6个SRS符号对所有的天线进行反复sounding,以减小sounding的周期,提高终端设备发送SRS的速度。可选的,该种天线选择模式适用于位于服务小区的中心区域终端设备,采用该天线选择模式可以减小sounding的周期,提高终端设备发送SRS的速度,以便网络设备可以快速根据SRS调度上下行传输。
其中,对于终端设备配置的天线为1T2R或2T4R时,终端设备获取的天线选择模式可以如下表十三所示:
表十三
Figure PCTCN2020081775-appb-000019
如表十三所示,该种场景下,例如,无线帧Frame(n f)中,在6个SRS符号上控制终端设备中所有的天线,即0号天线和1号天线,反复持续sounding,以使每个天线能够快速的发送SRS,减小了天线sounding的周期,提高了终端设备发送SRS的速度。
其中,对于终端设备配置的天线为1T4R时,终端设备获取的天线选择模式可以如下表十四所示:
表十四
Figure PCTCN2020081775-appb-000020
如表十四所示,该种场景下,例如,无线帧Frame(n f)以及在无线帧Frame(n f+1)中,在6个SRS符号上控制终端设备中所有的天线,即0号天线、1号天线、2号天线和3号天线,反复持续sounding,以使每个天线能够快速的发送SRS,减小了天线sounding的周期,提高了终端设备发送SRS的速度。
本申请实施例中,网络设备通过第一参数使能终端设备进行快速SRS天线选择,以使终端设备根据第一参数确定适合终端设备的SRS天线选择模式,以提升所述终端发送SRS的性能。
图8为本申请实施例提供的一种通信装置的结构示意图一。如图8所示,本实施例所涉及的通信装置可以为前述所说的终端设备,也可以为应用于终端设备的芯片。该通信装置可以用于执行上述方法实施例中终端设备的动作。如图8所示,该通信装置可以包括:收发模块11和处理模块12。其中,
收发模块11,用于从网络设备接收第一下行控制信息,所述第一下行控制信息包括第一SRS信息。
收发模块11,还用于从所述网络设备接收第二下行控制信息,所述第二下行控制信息包括第二SRS信息。
处理模块12,用于若所述第一SRS信息和所述第二SRS信息不同,则不发送或延迟发送与上行共享物理信道和/或上行控制物理信道冲突的SRS,所述与上行共享物理信道和/或上行控制物理信道冲突的SRS为所述第一SRS信息对应的第一SRS或所述第二SRS信息对应的第二SRS。
可选的,处理模块12,具体用于根据延迟参数,延迟发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,所述延迟参数是预定义的或是由所述网络设备给所述终端设备配置的。
可选的,所述第一SRS信息还用于指示所述延迟参数,所述第一下行控制信息在时域上晚于所述第二下行控制信息;或,所述第二SRS信息还用于指示所述延迟参数,所述第二下行控制信息在时域上晚于所述第一下行控制信息。
可选的,处理模块12,具体用于若未预定义延迟参数且所述网络设备未给所述终端设备配置所述延迟参数,则不发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,处理模块12,还用于若所述第一SRS信息和所述第二SRS信息相同,则不发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,所述延迟参数为延迟时间单元。
处理模块12,具体用于确定用于发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS的第一时间单元;根据所述第一时间单元和所述延迟时间单元,确定第二时间单元,并在所述第二时间单元上所述终端设备发送所述与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,所述第一SRS信息用于指示所述终端设备发送所述第一SRS,且所述第一SRS为在第一时间单元上发送的SRS,所述第二下行控制信息用于指示所述终端设备在所述第一时间单元上发送所述上行共享物理信道和/或上行控制物理信道;或,所述第一下行控制信息用于指示所述终端设备在第一时间单元上发送上行共享物理信道和/或上行控制物理信道,所述第二SRS信息用于指示所述终端设备发送所述第二SRS,且所述第二SRS为在所述第一时间单元上发送的SRS。
可选的,所述第一SRS信息为第一字段,所述第二SRS信息为第二字段,所述第一SRS信息和所述第二SRS信息不同为:所述第一字段的字段值和所述第二字段的字段值不同。
可选的,第一SRS信息用于指示所述终端设备不发送所述第一SRS;或,
第一SRS信息用于指示第一SRS参数集和/或第二SRS参数集,所述第一SRS参数集为:在时间单元的非最后一个符号上发送的SRS的参数集,所述第二SRS参数集为:在时间单元的最后一个符号上发送的SRS的参数集;或,
第一SRS信息用于指第三SRS参数集,所述第三SRS参数集为:在时间单元的任意一个符号上的发送的SRS的参数集。
可选的,收发模块11,还用于接收网络设备发送的第一参数,所述第一参数用于指示所述终端设备的SRS天线选择模式。
处理模块12,用于接收根据SRS天线选择模式发送SRS。
可选的,所述第一参数可以通过高层信令由网络设备配置给终端设备的。
其中,所述天线选择模式索引用于指示天线的工作模式和所述天线的标识。
本申请实施例提供的通信装置,可以执行上述方法实施例中终端设备的动作,其实现原理和技术效果类似,在此不再赘述。
图9为本申请实施例提供的另一种通信装置的结构示意图。如图9所示,本实施例所涉及的通信装置可以为前述所说的网络设备。该通信装置可以用于执行上述方法实施例中终端设备的动作。如图9所示,该通信装置可以包括:收发模块21和处理模块22。其中,
收发模块21,用于向终端设备发送第一下行控制信息,所述第一下行控制信息包括第一SRS信息。
收发模块21,还用于向所述终端设备发送第二下行控制信息,所述第二下行控制信息包括第二SRS信息。
处理模块22,用于若所述第一SRS信息和所述第二SRS信息不同,则不接收或延迟接收与上行共享物理信道和/或上行控制物理信道冲突的SRS,所述与上行共享物理信道和/或上行控制物理信道冲突的SRS为第一SRS信息对应的SRS或所述第二SRS信息对应的SRS。
可选的,处理模块22,具体用于根据延迟参数,所述网络设备延迟接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,所述延迟参数是预定义的或是由所述网络设备给所述终端设备配置的。
可选的,所述第一SRS信息还用于指示所述延迟参数,所述第一下行控制信息在时域上晚于所述第二下行控制信息;或,所述第二SRS信息还用于指示所述延迟参数,所述第二下行控制信息在时域上晚于所述第一下行控制信息。
可选的,处理模块22,还用于若未预定义延迟参数且所述网络设备未给所述终端设备配置所述延迟参数,则不接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,处理模块22,还用于若所述第一SRS信息和所述第二SRS信息相同,则不接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,处理模块22,具体用于确定用于接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS的第一时间单元;根据所述第一时间单元和所述延迟时间单元,确定第二时间单元,并在所述第二时间单元上所述网络设备接收所述与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
可选的,所述第一SRS信息用于指示所述终端设备发送所述第一SRS,且所述第一SRS为在第一时间单元上发送的SRS,所述第二下行控制信息用于指示所述终端设备在所述第一时间单元上发送所述上行共享物理信道和/或上行控制物理信道;或,
所述第一下行控制信息用于指示所述终端设备在第一时间单元上发送上行共享物理信道和/或上行控制物理信道,所述第二SRS信息用于指示所述终端设备发送所述第二SRS,且所述第二SRS为在所述第一时间单元上发送的SRS。
可选的,所述第一SRS信息为第一字段,所述第二SRS信息为第二字段,所述第一SRS信息和所述第二SRS信息不同为:所述第一字段的字段值和所述第二字段的字段值不同。
可选的,第一SRS信息用于指示所述终端设备不发送所述第一SRS;或,
第一SRS信息用于指示第一参数集和/或第二参数集,所述第一参数集为:在时间单元的非最后一个符号上发送的SRS的参数集,所述第二参数集为:在时间单元的最后一个符号上发送的SRS的参数集;或,
第一SRS信息用于指第三参数集,所述第三参数集为:在间单元的任意一个符号上发送的SRS的参数集。
可选的,收发模块21,还用于向终端设备发送的第一参数,所述第一参数用于指示所述终端设备的SRS天线选择模式。
可选的,所述第一参数可以通过高层信令由网络设备配置给终端设备的。
本申请实施例提供的通信装置,可以执行上述方法实施例中网络设备的动作,其实现原理和技术效果类似,在此不再赘述。
需要说明的是,应理解以上收发模块实际实现时可以为收发器、或者包括发送器和接收器。而处理模块可以以软件通过处理元件调用的形式实现;也可以以硬件的形式实现。例如,处理模块可以为单独设立的处理元件,也可以集成在上述装置的某一个芯片中实现,此外,也可以以程序代码的形式存储于上述装置的存储器中,由上述装置的某一个处理元件调用并执行以上处理模块的功能。此外这些模块全部或部分可以集成在一起,也可以独立实现。这里所述的处理元件可以是一种集成电路,具有信号的处理能力。在实现过程中,上述方法的各步骤或以上各个模块可以通过处理器元件中的硬件的集成逻辑电路或者软件形式的指令完成。
例如,以上这些模块可以是被配置成实施以上方法的一个或多个集成电路,例如:一个或多个专用集成电路(application specific integrated circuit,ASIC),或,一个或多个微处理器(digital signal processor,DSP),或,一个或者多个现场可编程门阵列(field programmable gate array,FPGA)等。再如,当以上某个模块通过处理元件调度程序代码的形式实现时,该处理元件可以是通用处理器,例如中央处理器(central processing unit,CPU)或其它可以调用程序代码的处理器。再如,这些模块可以集成在一起,以片上系统(system-on-a-chip,SOC)的形式实现。
图10为本申请实施例提供的又一种通信装置的结构示意图。如图10所示,该通信装置可以包括:处理器51(例如CPU)、存储器52、收发器53;收发器53耦合至处理器51,处理器51控制收发器53的收发动作;存储器52可能包含高速随机存取存储器(random-access memory,RAM),也可能还包括非易失性存储器(non-volatile memory,NVM),例如至少一个磁盘存储器,存储器52中可以存储各种指令,以用于完成各种处理功能以及实现本申请的方法步骤。可选的,本申请涉及的通信装置还可以包括:电源54、通信总线55以及通信端口56。收发器53可以集成在通信装置的收发信机中,也可以为通信装置上独立的收发天线。通信总线55用于实现元件之间的通信连接。上述通信端口56用于实现通信装置与其他外设之间进行连接通信。
在本申请实施例中,上述存储器52用于存储计算机可执行程序代码,程序代码包括指令;当处理器51执行指令时,指令使通信装置的处理器51执行上述方法实施例中终端设备的处理动作,使收发器53执行上述方法实施例中终端设备的收发动作,其实现原理和技术效果类似,在此不再赘述。
图11为本申请实施例提供的又一种通信装置的结构示意图。如图11所示,该通信装置可以包括:处理器61(例如CPU)、存储器62、收发器63;收发器63耦合至处理器61,处理器61控制收发器63的收发动作;存储器62可能包含高速随机存取存储器(random-access memory,RAM),也可能还包括非易失性存储器(non-volatile memory,NVM),例如至少一个磁盘存储器,存储器62中可以存储各种指令,以用于完成各种处理功能以及实现本申请的方法步骤。可选的,本申请涉及的通信装置还可以包括:电源64、通信总线65以及通信端口66。收发器63可以集成在通信装置的收发信机中,也可以为通信装置上独立的收发天线。通信总线65用于实现元件之间的通信连接。上述通信端口66用于实现通信装置与其他外设 之间进行连接通信。
在本申请实施例中,上述存储器62用于存储计算机可执行程序代码,程序代码包括指令;当处理器61执行指令时,指令使通信装置的处理器61执行上述方法实施例中网络设备的处理动作,使收发器63执行上述方法实施例中网络设备的收发动作,其实现原理和技术效果类似,在此不再赘述。
本申请实施例还提供的一种通信系统。图12为本申请实施例提供的一种通信系统的结构示意图。如图12所示,该通信系统可以包括:网络设备和终端设备。其中,终端设备可以为上述图8或图10中的通信装置,用于执行上述实施例中的终端设备的动作;网络设备可以为上述图9或图11中的通信装置,用于执行上述实施例中的网络设备的动作。终端设备和网络设备的实现原理和技术效果类似,在此不再赘述。
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。计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行计算机程序指令时,全部或部分地产生按照本申请实施例的流程或功能。计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。计算机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,计算机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(例如同轴电缆、光纤、数字用户线(DSL))或无线(例如红外、无线、微波等)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。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包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。可用介质可以是磁性介质,(例如,软盘、硬盘、磁带)、光介质(例如,DVD)、或者半导体介质(例如固态硬盘Solid State Disk(SSD))等。
本文中的术语“多个”是指两个或两个以上。本文中术语“和/或”,仅仅是一种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这三种情况。另外,本文中字符“/”,一般表示前后关联对象是一种“或”的关系;在公式中,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。
可以理解的是,在本申请的实施例中,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,而不应对本申请的实施例的实施过程构成任何限定。

Claims (25)

  1. 一种通信方法,其特征在于,应用于终端设备,所述方法包括:
    所述终端设备从网络设备接收第一下行控制信息,所述第一下行控制信息包括第一SRS信息;
    所述终端设备从所述网络设备接收第二下行控制信息,所述第二下行控制信息包括第二SRS信息;
    若所述第一SRS信息和所述第二SRS信息不同,则所述终端设备不发送或延迟发送与上行共享物理信道和/或上行控制物理信道冲突的SRS,所述与上行共享物理信道和/或上行控制物理信道冲突的SRS为所述第一SRS信息对应的第一SRS或所述第二SRS信息对应的第二SRS。
  2. 根据权利要求1所述的方法,其特征在于,所述延迟发送与上行共享物理信道和/或上行控制物理信道冲突的SRS,包括:
    根据延迟参数,所述终端设备延迟发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
  3. 根据权利要求2所述的方法,其特征在于,
    所述延迟参数是预定义的或是由所述网络设备给所述终端设备配置的。
  4. 根据权利要求1-3任一项所述的方法,其特征在于,
    所述第一SRS信息还用于指示所述延迟参数,所述第一下行控制信息在时域上晚于所述第二下行控制信息;或,
    所述第二SRS信息还用于指示所述延迟参数,所述第二下行控制信息在时域上晚于所述第一下行控制信息。
  5. 根据权利要求1-3任一项所述的方法,其特征在于,所述不发送与上行共享物理信道和/或上行控制物理信道冲突的SRS,包括:
    若未预定义延迟参数且所述网络设备未给所述终端设备配置所述延迟参数,则所述终端设备不发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
  6. 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:
    若所述第一SRS信息和所述第二SRS信息相同,则所述终端设备不发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
  7. 根据权利要求2-6任一项所述的方法,其特征在于,所述延迟参数为延迟时间单元,所述延迟发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS,包括:
    确定用于发送与所述上行共享物理信道和/或上行控制物理信道冲突的SRS的第一时间单元;
    根据所述第一时间单元和所述延迟时间单元,确定第二时间单元,并在所述第二时间单元上所述终端设备发送所述与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
  8. 根据权利要求1所述的方法,其特征在于,
    所述第一SRS信息用于指示所述终端设备发送所述第一SRS,且所述第一SRS为在第一时间单元上发送的SRS,所述第二下行控制信息用于指示所述终端设备在所述第一时间单元上发送所述上行共享物理信道和/或上行控制物理信道;或,
    所述第一下行控制信息用于指示所述终端设备在第一时间单元上发送上行共享物理信道和/或上行控制物理信道,所述第二SRS信息用于指示所述终端设备发送所述第二SRS,且所 述第二SRS为在所述第一时间单元上发送的SRS。
  9. 根据权利要求1所述的方法,其特征在于,
    所述第一SRS信息为第一字段,所述第二SRS信息为第二字段,所述第一SRS信息和所述第二SRS信息不同为:所述第一字段的字段值和所述第二字段的字段值不同。
  10. 根据权利要求1所述的方法,其特征在于,
    所述第一SRS信息用于指示所述终端设备不发送所述第一SRS;或,
    所述第一SRS信息用于指示第一SRS参数集和/或第二SRS参数集,所述第一SRS参数集为:在时间单元的非最后一个符号上发送的SRS的参数集,所述第二SRS参数集为:在时间单元的最后一个符号上发送的SRS的参数集;或,
    所述第一SRS信息用于指第三SRS参数集,所述第三SRS参数集为:在时间单元的任意一个符号上的发送的SRS的参数集。
  11. 一种通信方法,其特征在于,应用于网络设备,包括:
    所述网络设备向终端设备发送第一下行控制信息,所述第一下行控制信息包括第一SRS信息;
    所述网络设备向所述终端设备发送第二下行控制信息,所述第二下行控制信息包括第二SRS信息;
    若所述第一SRS信息和所述第二SRS信息不同,则所述网络设备不接收或延迟接收与上行共享物理信道和/或上行控制物理信道冲突的SRS,所述与上行共享物理信道和/或上行控制物理信道冲突的SRS为第一SRS信息对应的SRS或所述第二SRS信息对应的SRS。
  12. 根据权利要求11所述的方法,其特征在于,所述延迟接收与上行共享物理信道和/或上行控制物理信道冲突的SRS,包括:
    根据延迟参数,所述网络设备延迟接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
  13. 根据权利要求12所述的方法,其特征在于,
    所述延迟参数是预定义的或是由所述网络设备给所述终端设备配置的。
  14. 根据权利要求11-13任一项所述的方法,其特征在于,所述方法还包括:
    所述第一SRS信息还用于指示所述延迟参数,所述第一下行控制信息在时域上晚于所述第二下行控制信息;或,
    所述第二SRS信息还用于指示所述延迟参数,所述第二下行控制信息在时域上晚于所述第一下行控制信息。
  15. 根据权利要求11-13任一项所述的方法,其特征在于,所述不接收与上行共享物理信道和/或上行控制物理信道冲突的SRS,包括:
    若未预定义延迟参数且所述网络设备未给所述终端设备配置所述延迟参数,则所述网络设备不接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
  16. 根据权利要求11-13任一项所述的方法,其特征在于,所述方法还包括:
    若所述第一SRS信息和所述第二SRS信息相同,则所述网络设备不接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
  17. 根据权利要求12-16任一项所述的方法,其特征在于,所述延迟参数为延迟时间单元,所述延迟接收与上行共享物理信道和/或上行控制物理信道冲突的SRS,包括:
    确定用于接收与所述上行共享物理信道和/或上行控制物理信道冲突的SRS的第一时间单元;
    根据所述第一时间单元和所述延迟时间单元,确定第二时间单元,并在所述第二时间单元上所述网络设备接收所述与所述上行共享物理信道和/或上行控制物理信道冲突的SRS。
  18. 根据权利要求11所述的方法,其特征在于,
    所述第一SRS信息用于指示所述终端设备发送所述第一SRS,且所述第一SRS为在第一时间单元上发送的SRS,所述第二下行控制信息用于指示所述终端设备在所述第一时间单元上发送所述上行共享物理信道和/或上行控制物理信道;或,
    所述第一下行控制信息用于指示所述终端设备在第一时间单元上发送上行共享物理信道和/或上行控制物理信道,所述第二SRS信息用于指示所述终端设备发送所述第二SRS,且所述第二SRS为在所述第一时间单元上发送的SRS。
  19. 根据权利要求11所述的方法,其特征在于,
    所述第一SRS信息为第一字段,所述第二SRS信息为第二字段,所述第一SRS信息和所述第二SRS信息不同为:所述第一字段的字段值和所述第二字段的字段值不同。
  20. 根据权利要求11所述的方法,其特征在于,
    所述第一SRS信息用于指示所述终端设备不发送所述第一SRS;或,
    所述第一SRS信息用于指示第一参数集和/或第二参数集,所述第一参数集为:在时间单元的非最后一个符号上发送的SRS的参数集,所述第二参数集为:在时间单元的最后一个符号上发送的SRS的参数集;或,
    所述第一SRS信息用于指第三参数集,所述第三参数集为:在间单元的任意一个符号上发送的SRS的参数集。
  21. 一种通信装置,其特征在于,包括:存储器和处理器,所述存储器存储计算机执行指令;
    所述处理器执行所述存储器存储的计算机执行指令,使得所述通信装置执行权利要求1-10任一项所述的方法。
  22. 一种通信装置,其特征在于,包括:存储器和处理器,所述存储器存储计算机执行指令;
    所述处理器执行所述存储器存储的计算机执行指令,使得所述通信装置执行权利要求11-20任一项所述的方法。
  23. 一种通信系统,其特征在于,包括:如上述权利要求21所述的通信装置和如上述权利要求22所述的通信装置。
  24. 一种计算机可读存储介质,其特征在于,用于存储计算机程序或者指令,当所述计算机程序或者指令在计算机上运行时,使得所述计算机执行权利要求1-10任一项所述的方法。
  25. 一种计算机可读存储介质,其特征在于,用于存储计算机程序或者指令,当所述计算机程序或者指令在计算机上运行时,使得所述计算机执行权利要求11-20任一项所述的方法。
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