WO2021026845A1 - 通信方法和通信装置 - Google Patents

通信方法和通信装置 Download PDF

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Publication number
WO2021026845A1
WO2021026845A1 PCT/CN2019/100668 CN2019100668W WO2021026845A1 WO 2021026845 A1 WO2021026845 A1 WO 2021026845A1 CN 2019100668 W CN2019100668 W CN 2019100668W WO 2021026845 A1 WO2021026845 A1 WO 2021026845A1
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WO
WIPO (PCT)
Prior art keywords
transmission time
sar
terminal device
information
carrier
Prior art date
Application number
PCT/CN2019/100668
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English (en)
French (fr)
Inventor
邢金强
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2019/100668 priority Critical patent/WO2021026845A1/zh
Priority to CN201980091422.5A priority patent/CN113396623B/zh
Publication of WO2021026845A1 publication Critical patent/WO2021026845A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • This application relates to the field of communication, and specifically to a communication method and communication device.
  • terminal devices can use multiple carriers for communication.
  • terminal devices can simultaneously access long term evolution (LTE) networks and new radio (NR) networks, and use LTE carriers to communicate with LTE network devices And, use NR carrier to communicate with NR network equipment.
  • LTE long term evolution
  • NR new radio
  • the specific absorption ratio is a parameter that measures the influence of electromagnetic waves emitted by wireless devices on the human body.
  • the communication protocol has strict requirements on the SAR value of the electromagnetic wave of the wireless device, and the SAR value of the electromagnetic wave emitted by the wireless device shall not exceed the specified value.
  • the frequency bands of the NR carrier and the LTE carrier are different, the radiation effects of the carriers of different frequency bands on the human body are different. Therefore, the SAR values of the LTE carrier and the NR carrier of the same transmission power are different. How to ensure that the SAR value of wireless devices that use multiple carriers to communicate does not exceed the standard is a current problem that needs to be solved.
  • the present application provides a communication method and communication device, which can ensure that the SAR value of wireless devices that use multiple carriers for communication does not exceed the standard.
  • a communication method including: determining a first transmission time, where the first transmission time is a transmission time for transmitting on a secondary carrier within a target period; and determining a second transmission according to the first transmission time Time, the second transmission time is the transmission time for transmitting on the primary carrier in the target period, and the sum of the SAR of the primary carrier and the secondary carrier in the target period is less than or equal to the SAR threshold.
  • the transmission time of the carrier is positively correlated with the SAR value of the carrier. If the first transmission time is longer, the transmission time of the main carrier in the target period needs to be reduced to ensure that the total SAR value of the wireless device in the target period does not exceed the standard; if If the first transmission time is shorter, the transmission time of the main carrier in the target period can be increased, provided that the total SAR value of the wireless device in the target period does not exceed the standard. Therefore, the above solution can ensure that the SAR value of wireless devices that use multiple carriers for communication does not exceed the standard, and can also flexibly adjust the transmission time of the main carrier.
  • a communication method including: a network device receives capability information from a terminal device, where the capability information is used to instruct the terminal device to use a primary carrier to transmit a second transmission time of a signal in a target time period; The network device sends time information to the terminal device, where the time information is used to indicate the third transmission time when the terminal device uses the primary carrier to transmit a signal in the target time period.
  • the capability information of the terminal device is the transmission time determined by the terminal device to use the main carrier to transmit signals within the target period. Adjusting the transmission time of the main carrier according to the capability information can avoid exceeding the SAR value of the terminal device in the DC or CA scenario. For example, it can prevent the SAR value of the terminal device from exceeding the standard when the uplink and downlink configuration of the secondary carrier is static configuration.
  • a communication device for executing the method of the first aspect.
  • the device includes a functional module for executing the method in the first aspect.
  • a communication device which is used to execute the method of the first aspect and/or the second aspect.
  • the device includes a functional module for executing the method in the first aspect and/or the second aspect.
  • a terminal device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the above first aspect.
  • a network device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the first aspect and/or the second aspect.
  • a chip for executing the method in the first aspect.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip is used to execute the method in the first aspect.
  • a chip for executing the method in the first aspect and/or the second aspect.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip is configured to execute the method in the first aspect and/or the second aspect.
  • a computer-readable storage medium for storing a computer program that enables a computer to execute the method in the above-mentioned first aspect.
  • a computer-readable storage medium for storing a computer program that enables a computer to execute the method in the first aspect and/or the second aspect.
  • a computer program product including computer program instructions that cause a computer to execute the method in the first aspect.
  • a computer program product including computer program instructions that cause a computer to execute the method in the first aspect and/or the second aspect.
  • a computer program which when running on a computer, causes the computer to execute the method in the first aspect.
  • a computer program which when run on a computer, causes the computer to execute the method in the first aspect and/or the second aspect.
  • Figure 1 is a schematic diagram of a communication system suitable for the present application
  • Figure 2 is a schematic diagram of a communication method provided by the present application.
  • FIG. 3 is a schematic diagram of another communication method provided by the present application.
  • Fig. 4 is a schematic diagram of a communication device provided by the present application.
  • Fig. 5 is a schematic diagram of a communication device provided by the present application.
  • Fig. 6 is a schematic diagram of a communication device provided by the present application.
  • Figure 1 is a schematic diagram of a communication system suitable for the present application.
  • the communication system 100 includes a network device 110, a network device 120, and a terminal device 130.
  • the terminal device 130 may communicate with the network device 110 and/or the network device 120.
  • the dashed line in Figure 1 indicates the coverage of the network device, and the two-way arrow indicates that the two devices can communicate.
  • the terminal device 130 may communicate with the network device 110 and/or the network device 120 through electromagnetic waves, and the network device 110 and the network device 120 may also communicate with each other through electromagnetic waves.
  • the terminal device 130 may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices, or other processing devices connected to a wireless modem.
  • 3GPP third generation partnership program
  • UE user equipment
  • MS mobile station
  • soft terminal home gateway
  • set-top box etc.
  • the network device 110 and/or the network device 120 may be an access network device compliant with 3GPP specifications, for example, a base station (gNB) in a 5G mobile communication system.
  • the network device 110 and/or the network device 120 may also be a non-3GPP (non-3GPP) network device, such as an access gateway (AGF).
  • the network device 110 and/or the network device 120 may also be relay stations, access points, in-vehicle devices, wearable devices, and other types of devices.
  • the communication system 100 is only an example, and the communication system applicable to the present application is not limited to this.
  • the terminal device 130 may communicate with the network device 110 or the network device 120 through carrier aggregation (CA).
  • CA carrier aggregation
  • the terminal device 130 can simultaneously use multiple carriers for communication to increase the data transmission rate.
  • the multiple carriers include one primary carrier and one or more secondary carriers.
  • the terminal device 130 may also communicate with the network device 110 and the network device 120 through DC.
  • multiple cell groups CGs
  • the multiple CGs can include a master CG (MCG) and a secondary CG (SCG).
  • MCG master CG
  • SCG secondary CG
  • the master CG can also be called
  • the primary base station and the secondary CG can also be called secondary base stations.
  • the primary cell, the primary base station, and the primary network equipment are equivalent; similarly, the secondary cell, the secondary base station, and the secondary network equipment are equivalent; the above concepts will not be distinguished below.
  • the primary base station may be the network device 110
  • the secondary base station may be the network device 120.
  • the network device 110 may be an LTE base station
  • the network device 120 may be an NR base station
  • the network device 110 may be an NR base station
  • the network device 120 may be an LTE base station
  • the network device 110 and the network device 120 are both LTE base stations
  • the network device 110 and the network device 120 are both NR base stations.
  • This application does not limit the type of network equipment in the DC scenario.
  • the terminal device 130 in the DC scenario can be called the evolved universal mobile communication system terrestrial radio access network new wireless-dual connectivity (evolved universal mobile telecommunications system terrestrial radio access network new radio-DC, EN-DC) terminal; when the primary base station is an NR base station and the secondary base station is an LTE base station, the terminal device 130 in the DC scenario can be referred to as the new radio evolution universal mobile communication system terrestrial radio access network-dual connectivity ( new radio evolved universal mobile telecommunications system terrestrial radio access network-DC, NE-DC) terminal.
  • the new radio evolution universal mobile communication system terrestrial radio access network-dual connectivity new radio evolved universal mobile telecommunications system terrestrial radio access network-DC, NE-DC
  • the terminal device 130 may or may not use CA when communicating with the primary base station; the terminal device 130 may or may not use CA when communicating with the secondary base station.
  • the method 200 includes:
  • S210 Determine a first transmission time, where the first transmission time is a transmission time for transmitting on the secondary carrier within the target time period.
  • the method 200 may be executed by a terminal device or a chip in the terminal device, or may be executed by a network device or a chip of the network device.
  • the target time period may be configured by the network device, may also be determined by the terminal device, or may be specified by a communication protocol.
  • the target time period may be determined by the network device, or may be specified by a communication protocol.
  • the method 200 will be described by taking the execution device of the method 200 as an EN-DC terminal as an example.
  • the primary base station of the EN-DC terminal is an LTE base station
  • the secondary base station of the EN-DC terminal is an NR base station
  • the carrier of the LTE base station can be called the primary carrier
  • the carrier of the NR base station can be called the secondary carrier.
  • the LTE base station is, for example, an LTE frequency division duplex (FDD) base station
  • the NR base station is, for example, an NR time division duplex (TDD) base station.
  • the EN-DC terminal After the EN-DC terminal obtains the uplink and downlink configuration of the NR TDD network, it can determine the first transmission time within the target period.
  • the first transmission time can be interpreted as: the first transmission time length.
  • the target period is 1 slot
  • the slot includes 14 symbols, of which 10 symbols are configured as uplink symbols and 4 symbols are configured as downlink symbols, then the first transmission time in the target period
  • the duration is 10 symbols.
  • the first transmission time can also be interpreted as: the proportion of the first transmission time; that is, the ratio of the length of the transmission time for transmitting on the secondary carrier to the length of the target period.
  • the target period is 1 slot
  • the slot includes 14 symbols, of which 10 symbols are configured as uplink symbols and 4 symbols are configured as downlink symbols
  • the first transmission time in the target period It is ten fourteenths (or five sevenths) time slots.
  • EN-DC terminals can obtain the uplink and downlink configuration of the NR TDD network through the following three solutions.
  • the EN-DC terminal initially accesses the LTE FDD base station, and the LTE FDD base station can configure the NR TDD base station for the EN-DC terminal through the radio resource control (radio resource control, RRC) connection reconfiguration message.
  • the EN-DC terminal can obtain the uplink and downlink configuration of the NR TDD network by reading the broadcast message of the NR TDD base station.
  • the EN-DC terminal initially accesses the LTE FDD base station, and the LTE FDD base station informs the EN-DC terminal to listen to the broadcast message of the NR TDD base station, and obtain the uplink and downlink configuration of the NR TDD network from the broadcast message; then, the LTE FDD base station passes The RRC connection reconfiguration message configures the NR and TDD base station for the EN-DC terminal.
  • the EN-DC terminal After the EN-DC terminal determines the uplink and downlink configuration of the NR TDD network, it needs to report the capability information to the LTE FDD base station to instruct the EN-DC terminal to transmit the signal transmission time to the LTE FDD base station within the target period; before sending the capability information to the LTE FDD base station At this time, the EN-DC terminal needs to disconnect the connection with the NR TDD base station, and reconnect with the NR TDD base station after reporting the capability information. Therefore, compared with the solution 1, the scheme 2 reduces the number of connections between the EN-DC terminal and the NR TDD base station, thereby reducing the signaling overhead.
  • Solution 3 The EN-DC terminal initially accesses the LTE FDD base station, and the LTE FDD base station informs the EN-DC terminal of the uplink and downlink configuration of the NR TDD network through an RRC message.
  • the EN-DC terminal After the EN-DC terminal obtains the uplink and downlink configuration of the NR TDD network, it can perform the following steps to determine the transmission time for transmission on the primary carrier within the target period.
  • S220 Determine a second transmission time according to the first transmission time, where the second transmission time is the transmission time for transmitting on the primary carrier within the target period, and the primary carrier and the secondary carrier are in the target period.
  • the sum of the SAR in the period is less than or equal to the SAR threshold.
  • the SAR value of the auxiliary carrier in the target period can be determined as SAR2 SAR2 is positively correlated with the first transmission time, and SAR2 is positively correlated with the first transmission power of the secondary carrier; the SAR value that the main carrier can generate during the target period needs to be less than or equal to SAR1-SAR2, SAR1-SAR2 is the SAR threshold,
  • the second transmission time can be determined according to the SAR threshold and the transmission power of the main carrier, where the second transmission time is negatively related to the transmission power of the main carrier.
  • the first transmission power is the maximum transmission power for the EN-DC terminal to transmit on the secondary carrier.
  • the obtained second transmission time is the shortest transmission time that the EN-DC terminal can transmit using the primary carrier.
  • the transmission time and the main carrier power corresponding to the shortest transmission time are the capability information of the EN-DC terminal.
  • the EN-DC terminal After determining the capability information, the EN-DC terminal can actively send the capability information to the primary cell to which the primary carrier belongs, so that the primary base station can configure the uplink transmission time of the primary carrier for the EN-DC terminal according to the capability information.
  • the EN-DC terminal may also send the capability information after receiving the indication information that the primary base station instructs to report the capability information.
  • the foregoing capability information may be carried in a tracking area update (tracking area update, TAU) message.
  • the primary base station After the primary base station obtains the capability information, it can configure the transmission time of the primary carrier in the target time period (that is, the third transmission time) for the EN-DC terminal through a time division multiplexing (TDM) template (pattern); or, also The transmission time (that is, the third transmission time) for the EN-DC terminal to use the primary carrier for transmission within the target period may be indicated through an RRC message or downlink control information (DCI).
  • TDM time division multiplexing
  • the EN-DC terminal After the EN-DC terminal receives the above information sent by the primary base station, if the transmission time configured or indicated by the above information is greater than the second transmission time, the EN-DC terminal can ensure that the total SAR value during the target period does not exceed the SAR through power backoff Threshold.
  • the EN-DC terminal can only perform the power backoff of the primary carrier, for example, reduce the transmit power of the primary carrier; the EN-DC terminal can only perform the total power backoff of the primary carrier and the secondary carrier, for example, reduce the primary carrier The transmit power and the transmit power of the auxiliary carrier.
  • SAR2 is positively correlated with the first transmission time, which can be interpreted as: when the first transmission time increases, SAR2 increases; the second transmission time is negatively correlated with the transmission power of the main carrier, which can be interpreted as: When the transmission power increases, the second transmission time decreases.
  • the above scheme determines the transmission time of the primary carrier based on the transmission time of the secondary carrier, so that the sum of the SAR generated by the secondary carrier and the primary carrier is less than the specified SAR value, which can ensure that wireless devices (for example, terminal equipment or network The SAR value of the equipment) does not exceed the standard.
  • the uplink and downlink configuration of the secondary carrier is statically configured.
  • NR TDD network supports dynamically changing the uplink and downlink configuration of some symbols, but in actual network deployment, in order to avoid the uplink and downlink cross interference between different terminal devices and the uplink and downlink cross interference between different network devices, NR
  • the uplink and downlink configuration of the TDD network is generally static configuration.
  • the static configuration of the secondary carrier it is difficult to adjust the transmission time of the secondary carrier based on the transmission time of the primary carrier.
  • the method 200 can ensure the static configuration of the secondary carrier The SAR value of the downstream signal does not exceed the standard.
  • the secondary base station is an NR TDD base station
  • the primary base station is an LTE FDD base station.
  • the application scenario of the method 200 is not limited to this, and the method 200 can also be applied to the following scenarios:
  • the secondary base station is an NR FDD base station, and the primary base station is an LTE FDD base station;
  • the secondary base station is an NR TDD base station, and the primary base station is an LTE TDD base station;
  • the secondary base station is an NR FDD base station, and the primary base station is an LTE TDD base station;
  • the secondary base station is an LTE TDD base station, and the primary base station is an NR FDD base station;
  • the secondary base station is an LTE TDD base station, and the primary base station is an NR TDD base station;
  • the secondary base station is an LTE FDD base station, and the primary base station is an NR FDD base station;
  • the secondary base station is an LTE FDD base station, and the primary base station is an NR TDD base station;
  • the primary base station can adjust the transmission time of the primary carrier by configuring the uplink and downlink configuration of variable uplink and downlink subframes; if the primary base station is an NR TDD base station, the primary base station can configure the upper and lower The uplink and downlink configuration of variable symbols can be used to adjust the transmission time of the main carrier.
  • the above-mentioned wireless device may be a terminal device or a network device, for example, an NR FDD base station, an NR TDD base station, an LTE FDD base station, or an LTE TDD base station.
  • the method 300 includes:
  • S310 The network device receives capability information from the terminal device, where the capability information is used to instruct the terminal device to use the primary carrier to transmit a second transmission time of the signal in the target time period.
  • the network device sends time information to the terminal device, where the time information is used to instruct the terminal device to use the primary carrier to transmit a third transmission time of the signal in the target time period.
  • the method 300 may be executed by a network device or a chip in the network device.
  • the network device can be a primary cell or a secondary cell.
  • the network device can directly receive capability information from the terminal device and directly send time information to the terminal device;
  • the network device is a secondary cell, the network device can receive the capability information from the terminal device and forward it to the master Cell, and network equipment can receive time information from the primary cell and forward it to terminal equipment.
  • the second emission time and the third emission time may be equal or not equal.
  • receiving capability information and sending time information of the network device reference may be made to the related description in the method 200. For brevity, details are not repeated again.
  • the capability information of the terminal device is the transmission time determined by the terminal device to use the main carrier to transmit signals within the target period. Adjusting the transmission time of the main carrier according to the capability information can avoid exceeding the SAR value of the terminal device in the DC or CA scenario. For example, it can prevent the SAR value of the terminal device from exceeding the standard when the uplink and downlink configuration of the secondary carrier is static configuration.
  • the method 300 further includes:
  • the network device sends the uplink and downlink configuration information of the secondary cell to the terminal device, where the uplink and downlink configuration information is used by the terminal device to determine the second transmission time.
  • the uplink and downlink configuration information is carried in an RRC message.
  • the method 300 further includes:
  • the network device sends instruction information to the terminal device, where the instruction information is used to instruct the terminal device to report the capability information.
  • the communication device includes a hardware structure and/or software module corresponding to each function.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software-driven hardware depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered beyond the scope of this application.
  • the present application may divide the communication device into functional units according to the foregoing method examples.
  • each function may be divided into each functional unit, or two or more functions may be integrated into one processing unit.
  • the above-mentioned integrated unit can be implemented in the form of hardware or software functional unit. It should be noted that the division of units in this application is illustrative, and is only a logical function division, and there may be other division methods in actual implementation.
  • Fig. 4 is a schematic structural diagram of a communication device provided by the present application.
  • the device 400 includes a processing unit 410.
  • it may also include a sending unit 420 and a receiving unit 430.
  • the sending unit 420 can execute the sending step under the control of the processing unit 410
  • the receiving unit 430 can execute under the control of the processing unit 410.
  • the receiving step (or obtaining step).
  • the processing unit 410 may be used to execute:
  • the second transmission time is determined according to the first transmission time, the second transmission time is the transmission time for transmitting on the primary carrier within the target time period, and the primary carrier and the secondary carrier are within the target time period
  • the sum of SAR is less than or equal to the SAR threshold.
  • the processing unit 410 is specifically configured to: determine the first SAR of the secondary carrier in the target period according to the first transmission time and the first transmission power of the secondary carrier; and according to the SAR threshold and The first SAR determines a second SAR, and the second SAR is less than or equal to the difference between the SAR threshold and the first SAR; the second transmission is determined according to the first SAR and the second SAR Time, the second transmission time is positively correlated with the difference between the first SAR and the second SAR, and the second transmission time is negatively correlated with the transmission power of the primary carrier.
  • the first transmission power is the maximum transmission power.
  • the processing unit 410 is specifically configured to: obtain uplink and downlink configuration information of the secondary cell to which the secondary carrier belongs; and determine the first transmission time according to the uplink and downlink configuration information.
  • the uplink and downlink configuration information is carried in a broadcast message of the secondary cell.
  • processing unit 410 is further configured to: access the secondary cell.
  • the uplink and downlink configuration information is carried in the RRC message of the primary cell to which the primary carrier belongs.
  • the sending unit 420 is configured to send capability information to the primary cell to which the primary carrier belongs, where the capability information is used to indicate the second transmission time.
  • the capability information is carried in a TAU message.
  • the sending unit 420 is specifically configured to send the capability information to the primary cell after re-accessing the primary cell.
  • the receiving unit 430 is configured to: obtain indication information from the network device, where the indication information indicates to report the capability information.
  • the processing unit 410 is specifically configured to: receive time information from a network device, where the time information is used to indicate a third transmission time for transmission on the primary carrier within the target period; when the third transmission When the time is greater than the second transmission time, perform the power back-off of the primary carrier, or perform the total power back-off of the primary carrier.
  • Fig. 5 is a schematic structural diagram of another communication device provided by the present application.
  • the device 500 includes a processing unit 510, a sending unit 520, and a receiving unit 530.
  • the sending unit 520 can execute the sending step under the control of the processing unit 510
  • the receiving unit 530 can execute the receiving step (or obtaining step) under the control of the processing unit 510. .
  • the receiving unit 530 is configured to: receive capability information from a terminal device, where the capability information is used to instruct the terminal device to use the primary carrier to transmit a second transmission time of a signal in a target period;
  • the sending unit 520 is configured to send time information to the terminal device, where the time information is used to indicate a third transmission time when the terminal device uses the primary carrier to transmit a signal in the target time period.
  • the sending unit 520 is further configured to send uplink and downlink configuration information of the secondary cell to the terminal device, where the uplink and downlink configuration information is used by the terminal device to determine the second transmission time.
  • the uplink and downlink configuration information is carried in an RRC message.
  • the sending unit is further configured to send instruction information to the terminal device, where the instruction information is used to instruct the terminal device to report the capability information.
  • Fig. 6 shows a schematic structural diagram of a communication device provided by the present application.
  • the dotted line in Figure 6 indicates that the unit or the module is optional.
  • the device 600 may be used to implement the methods described in the foregoing method embodiments.
  • the device 600 may be a terminal device or a network device or a chip.
  • the device 600 includes one or more processors 601, and the one or more processors 601 can support the device 600 to implement the methods in the method embodiments corresponding to FIGS. 2 to 5.
  • the processor 601 may be a general-purpose processor or a special-purpose processor.
  • the processor 601 may be a central processing unit (CPU).
  • the CPU can be used to control the device 600, execute a software program, and process data of the software program.
  • the device 600 may also include a communication unit 605 to implement signal input (reception) and output (transmission).
  • the device 600 may be a chip, and the communication unit 605 may be an input and/or output circuit of the chip, or the communication unit 605 may be a communication interface of the chip, and the chip may be used as a terminal device or a network device or other wireless communication device Part.
  • the device 600 may be a terminal device or a network device
  • the communication unit 605 may be a transceiver of the terminal device or the network device
  • the communication unit 605 may be a transceiver circuit of the terminal device or the network device.
  • the device 600 may include one or more memories 602 with a program 604 stored thereon, and the program 604 may be executed by the processor 601 to generate instructions 603, so that the processor 601 executes the methods described in the foregoing method embodiments according to the instructions 603.
  • data may also be stored in the memory 602.
  • the processor 601 may also read data stored in the memory 602. The data may be stored at the same storage address as the program 604, or the data may be stored at a different storage address from the program 604.
  • the processor 601 and the memory 602 may be provided separately or integrated together, for example, integrated on a single board of a network device or a system on chip (SOC) of a terminal device.
  • SOC system on chip
  • the device 600 may also include an antenna 606.
  • the communication unit 605 is configured to implement the transceiver function of the device 600 through the antenna 606.
  • the processor 601 can be a CPU, a digital signal processor (digital signal processor, DSP), an application specific integrated circuit (ASIC), a field programmable gate array (field programmable gate array, FPGA) or other programmable logic devices , For example, discrete gates, transistor logic devices, or discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • This application also provides a computer program product, which, when executed by the processor 601, implements the method described in any method embodiment in this application.
  • the computer program product may be stored in the memory 602, for example, a program 604.
  • the program 604 is finally converted into an executable object file that can be executed by the processor 601 through processing processes such as preprocessing, compilation, assembly, and linking.
  • This application also provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a computer, the method described in any method embodiment in this application is implemented.
  • the computer program can be a high-level language program or an executable target program.
  • the computer-readable storage medium is, for example, the memory 602.
  • the memory 602 may be a volatile memory or a non-volatile memory, or the memory 602 may include both a volatile memory and a non-volatile memory.
  • the non-volatile memory can be read-only memory (ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), and electronic Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be random access memory (RAM), which is used as an external cache.
  • RAM random access memory
  • static random access memory static random access memory
  • dynamic RAM dynamic random access memory
  • synchronous dynamic random access memory synchronous DRAM, SDRAM
  • double data rate synchronous dynamic random access memory double data rate SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced SDRAM, ESDRAM
  • synchronous connection dynamic random access memory serial DRAM, SLDRAM
  • direct rambus RAM direct rambus RAM, DR RAM
  • the disclosed system, device, and method may be implemented in other ways. For example, some features of the method embodiments described above may be ignored or not implemented.
  • the device embodiments described above are merely illustrative.
  • the division of units is only a logical function division. In actual implementation, there may be other division methods, and multiple units or components may be combined or integrated into another system.
  • the coupling between the units or the coupling between the components may be direct coupling or indirect coupling, and the foregoing coupling includes electrical, mechanical, or other forms of connection.
  • the size of the sequence number of each process 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 correspond to the embodiments of the present application.
  • the implementation process constitutes any limitation.
  • system and “network” in this article are often used interchangeably in this article.
  • the term “and/or” in this article is only an association relationship describing associated objects, which means that there can be three types of relationships. For example, A and/or B can mean that there is A alone, and both A and B exist. There are three cases of B.
  • the character “/” in this text generally indicates that the associated objects before and after are in an "or” relationship.

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Abstract

本申请提供了一种通信方法，包括：确定第一发射时间，第一发射时间为在目标时段内在辅载波上进行发射的发射时间；根据第一发射时间确定第二发射时间，第二发射时间为在目标时段内在主载波上进行发射的发射时间，主载波与辅载波在目标时段内的SAR之和小于或等于SAR阈值。若第一发射时间较长，则需要降低主载波在目标时段内的发射时间，以确保目标时段内无线设备的总的SAR值不超标；若第一发射时间较短，则可以增大主载波在目标时段内的发射时间，前提是确保目标时段内无线设备的总的SAR值不超标。因此，上述方案能够确保使用多个载波进行通信的无线设备的SAR值不超标，并且，还能够灵活调整主载波的发射时间。

Description

通信方法和通信装置 技术领域
本申请涉及通信领域，具体涉及一种通信方法和通信装置。
背景技术
在一些场景中，终端设备能够使用多个载波进行通信。例如，在双连接(dual connectivity，DC)场景中，终端设备可以同时接入长期演进(long term evolution，LTE)网络和新无线(new radio，NR)网络，使用LTE载波与LTE网络设备进行通信，并且，使用NR载波与NR网络设备进行通信。
电磁波吸收比率(specific absorption ratio，SAR)是衡量无线设备发射的电磁波对人体的影响的参数。为了避免电磁波对人体造成伤害，通信协议对无线设备的电磁波的SAR值有严格的要求，无线设备发射的电磁波的SAR值不得超过规定值。
由于NR载波与LTE载波的频段不同，而不同频段的载波对人体的辐射效应不同。因此，相同发射功率的LTE载波和NR载波的SAR值不同。如何确保使用多个载波进行通信的无线设备的SAR值不超标是当前需要解决的问题。
发明内容
本申请提供了一种通信方法和通信装置，能够确保使用多个载波进行通信的无线设备的SAR值不超标。
第一方面，提供了一种通信方法，包括：确定第一发射时间，所述第一发射时间为在目标时段内在辅载波上进行发射的发射时间；根据所述第一发射时间确定第二发射时间，所述第二发射时间为在所述目标时段内在主载波上进行发射的发射时间，所述主载波与所述辅载波在所述目标时段内的SAR之和小于或等于SAR阈值。
载波的发射时间与该载波的SAR值正相关，若第一发射时间较长，则需要降低主载波在目标时段内的发射时间，以确保目标时段内无线设备的总的SAR值不超标；若第一发射时间较短，则可以增大主载波在目标时段内的发射时间，前提是确保目标时段内无线设备的总的SAR值不超标。因此，上述方案能够确保使用多个载波进行通信的无线设备的SAR值不超标，并且，还能够灵活调整主载波的发射时间。
第二方面，提供了一种通信方法，包括：网络设备从终端设备接收能力信息，所述能力信息用于指示所述终端设备使用主载波在目标时段内发射信号的第二发射时间；所述网络设备向所述终端设备发送时间信息，所述时间信息用于指示所述终端设备使用所述主载波在所述目标时段内发射信号的第三发射时间。
终端设备的能力信息为终端设备确定的在目标时段内使用主载波发射信号的发射时间，根据该能力信息调整主载波的发射时间，能够避免DC场景或者CA场景中的终端设备的SAR值超标，例如，可以避免辅载波的上下行配置是静态配置时终端设备的SAR 值超标。
第三方面，提供了一种通信装置，用于执行上述第一方面的方法。具体地，该装置包括用于执行第一方面中的方法的功能模块。
第四方面，提供了一种通信装置，用于执行上述第一方面和/或第二方面的方法。具体地，该装置包括用于执行第一方面和/或第二方面中的方法的功能模块。
第五方面，提供了一种终端设备，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，执行上述第一方面中的方法。
第六方面，提供了一种网络设备，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，执行上述第一方面和/或第二方面中的方法。
第七方面，提供了一种芯片，用于执行上述第一方面中的方法。具体地，该芯片包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有该芯片的设备用于执行上述第一方面中的方法。
第八方面，提供了一种芯片，用于执行上述第一方面和/或第二方面中的方法。具体地，该芯片包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有该芯片的设备用于执行上述第一方面和/或第二方面中的方法。
第九方面，提供了一种计算机可读存储介质，用于存储计算机程序，该计算机程序使得计算机执行上述第一方面中的方法。
第十方面，提供了一种计算机可读存储介质，用于存储计算机程序，该计算机程序使得计算机执行上述第一方面和/或第二方面中的方法。
第十一方面，提供了一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行上述第一方面中的方法。
第十二方面，提供了一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行上述第一方面和/或第二方面中的方法。
第十三方面，提供了一种计算机程序，当其在计算机上运行时，使得计算机执行上述第一方面中的方法。
第十四方面，提供了一种计算机程序，当其在计算机上运行时，使得计算机执行上述第一方面和/或第二方面中的方法。
附图说明
图1是一种适用于本申请的通信系统的示意图；
图2是本申请提供的一种通信方法的示意图；
图3是本申请提供的另一种通信方法的示意图；
图4是本申请提供的一种通信装置的示意图；
图5是本申请提供的一种通信装置的示意图；
图6是本申请提供的一种通信设备的示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述。
图1是一种适用于本申请的通信系统的示意图。
通信系统100包括网络设备110、网络设备120和终端设备130。终端设备130可以与网络设备110和/或网络设备120进行通信。图1中的虚线表示网络设备的覆盖范围，双向箭头表示两个设备之间能够进行通信。例如，终端设备130可以通过电磁波与网络设备110和/或网络设备120进行通信，网络设备110与网络设备120之间也可以通过电磁波进行通信。
在本申请中，终端设备130可以包括各种具有无线通信功能的手持设备、车载设备、可穿戴设备、计算设备或连接到无线调制解调器的其它处理设备，例如，第三代合作伙伴计划(3rd generation partnership project，3GPP)所定义的用户设备(user equipment，UE)，移动台(mobile station，MS)，软终端，家庭网关，机顶盒等等。
网络设备110和/或网络设备120可以是符合3GPP规范的接入网设备，例如，5G移动通信系统中的基站(gNB)。网络设备110和/或网络设备120也可以是非3GPP(non-3GPP)的网络设备，例如接入网关(access gateway，AGF)。网络设备110和/或网络设备120还可以是中继站、接入点、车载设备、可穿戴设备以及其它类型的设备。
通信系统100仅是举例说明，适用本申请的通信系统不限于此。
终端设备130可以通过载波聚合(carrier aggregation，CA)与网络设备110或网络设备120通信。在CA场景中，终端设备130可以同时使用多个载波进行通信，提高数据传输速率。该多个载波包括1个主载波以及1个或多个辅载波。
终端设备130也可以通过DC与网络设备110和网络设备120通信。DC场景中，多个小区组(cell group，CG)可以为终端设备服务，该多个CG可以包括主CG(master CG，MCG)和辅CG(secondary CG，SCG)，主CG也可以称为主基站，辅CG也可以称为辅基站。在本申请中，主小区、主基站以及主网络设备是等价的；类似地，辅小区、辅基站以及辅网络设备是等价的；以下不再区分上述概念。
例如，在通信系统100中，主基站可以是网络设备110，辅基站可以是网络设备120。其中，网络设备110可以是LTE基站，网络设备120可以是NR基站；或者，网络设备110可以是NR基站，网络设备120可以是LTE基站；或者，网络设备110和网络设备120均为LTE基站；或者，网络设备110和网络设备120均为NR基站。本申请对DC场景中的网络设备的类型不做限定。
当主基站为LTE基站，辅基站为NR基站时，DC场景中的终端设备130可以称为演进的通用移动通信系统陆地无线接入网新无线-双连接(evolved universal mobile telecommunications system terrestrial radio access network new radio-DC，EN-DC)终端；当主基站为NR基站，辅基站为LTE基站时，DC场景中的终端设备130可以称为新无 线演进的通用移动通信系统陆地无线接入网-双连接(new radio evolved universal mobile telecommunications system terrestrial radio access network-DC，NE-DC)终端。
此外，终端设备130在与主基站通信时，可以使用CA，也可以不使用CA；终端设备130在与辅基站通信时，可以使用CA，也可以不使用CA。
下面，将详细介绍本申请提供的通信方法。
如图2所示，方法200包括：
S210，确定第一发射时间，所述第一发射时间为在目标时段内在辅载波上进行发射的发射时间。
方法200可以由终端设备或终端设备中的芯片执行，也可以由网络设备或者网络设备的芯片执行。
若方法200由终端设备执行，目标时段可以是网络设备配置的，也可以是终端设备确定的，还可以是通信协议规定的。
若方法200由网络设备执行，目标时段可以是网络设备确定的，也可以是通信协议规定的。
下面，以方法200的执行装置为EN-DC终端为例对方法200进行说明。
EN-DC终端的主基站为LTE基站，EN-DC终端的辅基站为NR基站；相应地，LTE基站的载波可以称为主载波，NR基站的载波可以称为辅载波。LTE基站例如是LTE频分双工(frequency division duplexing，FDD)基站，NR基站例如是NR时分双工(time division duplexing，TDD)基站。
EN-DC终端获取NR TDD网络的上下行配置之后，即可确定目标时段内的第一发射时间。
第一发射时间可以被解释为：第一发射时间长度。
例如，目标时段为1个时隙(slot)，该时隙包括14个符号，其中，10个符号被配置为上行符号，4个符号被配置为下行符号，则目标时段内的第一发射时间为10个符号的时长。
第一发射时间也可以被解释为：第一发射时间占比；即，在辅载波上进行发射的发射时间的长度占目标时段的长度的比例。
例如，目标时段为1个时隙(slot)，该时隙包括14个符号，其中，10个符号被配置为上行符号，4个符号被配置为下行符号，则目标时段内的第一发射时间为十四分之十(或七分之五)个时隙。
上文关于第一发射时间的解释也适用于第二发射时间以及下文所述的第三发射时间。
EN-DC终端可以通过以下3种方案获取NR TDD网络的上下行配置。
方案1：EN-DC终端初始接入LTE FDD基站，LTE FDD基站可以通过无线资源控制(radio resource control，RRC)连接重配置消息为EN-DC终端配置NR TDD基站。EN-DC终端可以通过读取NR TDD基站的广播消息获得NR TDD网络的上下行配置。
方案2：EN-DC终端初始接入LTE FDD基站，LTE FDD基站通知EN-DC终端监听NR TDD基站的广播消息，从该广播消息中获取NR TDD网络的上下行配置；随后，LTE FDD基站通过RRC连接重配置消息为EN-DC终端配置NR TDD基站。
EN-DC终端确定NR TDD网络的上下行配置后，需要向LTE FDD基站上报能力信息，以指示EN-DC终端在目标时段内向LTE FDD基站发射信号的发射时间；在向LTE FDD基站发送能力信息时，EN-DC终端需要断开与NR TDD基站之间的连接，并在上报能力信息之后再与NR TDD基站重连接。因此，方案2相比于方案1，减小了EN-DC终端与NR TDD基站的连接次数，从而减小了信令开销。
方案3：EN-DC终端初始接入LTE FDD基站，LTE FDD基站通过RRC消息通知EN-DC终端NR TDD网络的上下行配置。
EN-DC终端获取NR TDD网络的上下行配置后，可以执行下列步骤，确定目标时段内在主载波上进行发射的发射时间。
S220，根据所述第一发射时间确定第二发射时间，所述第二发射时间为在所述目标时段内在主载波上进行发射的发射时间，所述主载波与所述辅载波在所述目标时段内的SAR之和小于或等于SAR阈值。
例如，目标时段内，EN-DC终端的总SAR值不得超出SAR1(即，SAR阈值)，基于第一发射时间和辅载波的第一发射功率能够确定辅载波在目标时段内的SAR值为SAR2，SAR2与第一发射时间正相关，并且，SAR2与辅载波的第一发射功率正相关；主载波在目标时段内能够产生的SAR值需要小于或等于SAR1-SAR2，SAR1-SAR2即SAR阈值，根据SAR阈值以及主载波的发射功率能够确定第二发射时间，其中，第二发射时间与主载波的发射功率负相关。
可选地，第一发射功率为EN-DC终端在辅载波上进行发射的最大发射功率，这样，得到的第二发射时间为EN-DC终端能够使用主载波进行发射的最短发射时间，该最短发射时间以及该最短发射时间对应的主载波功率即EN-DC终端的能力信息。
EN-DC终端确定能力信息后，可以主动向所述主载波所属的主小区发送能力信息，以便于主基站根据该能力信息为EN-DC终端配置主载波的上行发射时间。EN-DC终端也可以在接收到主基站指示上报能力信息的指示信息后发送能力信息。上述能力信息可以承载于跟踪区更新(tracking area update，TAU)消息中。
主基站获取能力信息后，可以通过时分复用(time division multiplexing，TDM)模板(pattern)为EN-DC终端配置主载波在目标时段内的发射时间(即，第三发射时间)；或者，也可以通过RRC消息或者下行控制信息(downlink control information，DCI)指示EN-DC终端在目标时段内使用主载波进行发射的发射时间(即，第三发射时间)。
EN-DC终端接收到主基站发送的上述信息后，若上述信息配置或指示的发射时间大于第二发射时间，则EN-DC终端可以通过功率回退确保目标时段内总的SAR值不超过SAR阈值。其中，EN-DC终端可以仅执行主载波的功率回退，例如，减小主载波的发射功率；EN-DC终端可以仅执行主载波和辅载波的总功率回退，例如，减小主载波的发射 功率和辅载波的发射功率。
需要说明的是，上文所述的“正相关”指的是：当A增大时，B也增大；上文所述的“负相关”指的是：当A增大时，B减小。
例如，SAR2与第一发射时间正相关，可以被解释为：当第一发射时间增大时，SAR2增大；第二发射时间与主载波的发射功率负相关，可以被解释为：当主载波的发射功率增大时，第二发射时间减小。
上述方案根据辅载波的发射时间确定主载波的发射时间，使得辅载波和主载波产生的SAR的总和小于规定的SAR值，能够确保使用多个载波进行通信的无线设备(例如，终端设备或网络设备)的SAR值不超标。
在一些情况下，辅载波的上下行配置是静态配置的。例如，NR TDD网络支持动态改变部分符号的上下行配置，但是在实际的网络部署中，为了规避不同的终端设备之间的上下行交叉干扰以及不同的网络设备之间的上下行交叉干扰，NR TDD网络的上下行配置一般为静态配置。对于辅载波静态配置的情况，难以基于主载波的发射时间调整辅载波的发射时间，相比于根据主载波的发射时间调整辅载波的发射时间的方案，方法200能够保证辅载波静态配置的情况下信号的SAR值不超标。
上文的示例中，辅基站为NR TDD基站，主基站为LTE FDD基站。但方法200的应用场景不限于此，方法200还可以应用于以下场景：
辅基站为NR FDD基站，主基站为LTE FDD基站；
辅基站为NR TDD基站，主基站为LTE TDD基站；
辅基站为NR FDD基站，主基站为LTE TDD基站；
辅基站为LTE TDD基站，主基站为NR FDD基站；
辅基站为LTE TDD基站，主基站为NR TDD基站；
辅基站为LTE FDD基站，主基站为NR FDD基站；
辅基站为LTE FDD基站，主基站为NR TDD基站；
无线设备的CA场景。
上述场景中，若主基站为LTE TDD基站，主基站可以通过配置上下行可变子帧的上下行配置情况来调整主载波的发射时间；若主基站为NR TDD基站，主基站可以通过配置上下行可变符号的上下行配置情况来调整主载波的发射时间。
上述无线设备可以是终端设备，也可以是网络设备，例如，NR FDD基站、NR TDD基站、LTE FDD基站或者LTE TDD基站。
上文详细描述了本申请提供的一种通信方法，下面，再介绍本申请提供的另一种通信方法。如图3所示，方法300包括：
S310，网络设备从终端设备接收能力信息，所述能力信息用于指示所述终端设备使用主载波在目标时段内发射信号的第二发射时间。
S320，所述网络设备向所述终端设备发送时间信息，所述时间信息用于指示所述终端设备使用所述主载波在所述目标时段内发射信号的第三发射时间。
方法300可以由网络设备或者网络设备中的芯片执行。该网络设备可以是主小区，也可以是辅小区。当网络设备为主小区时，网络设备可以直接从终端设备接收能力信息，以及，直接向终端设备发送时间信息；当网络设备是辅小区时，网络设备可以从终端设备接收能力信息并转发给主小区，并且，网络设备可以从主小区接收时间信息并转发给终端设备。
第二发射时间与第三发射时间可以相等，也可以不相等。网络设备接收能力信息以及发送时间信息的具体方式可以参考方法200中的相关描述，为了简洁，再次不再赘述。
终端设备的能力信息为终端设备确定的在目标时段内使用主载波发射信号的发射时间，根据该能力信息调整主载波的发射时间，能够避免DC场景或者CA场景中的终端设备的SAR值超标，例如，可以避免辅载波的上下行配置是静态配置时终端设备的SAR值超标。
可选地，方法300还包括：
所述网络设备向所述终端设备发送辅小区的上下行配置信息，所述上下行配置信息用于所述终端设备确定所述第二发射时间。
可选地，所述上下行配置信息承载于RRC消息中。
可选地，方法300还包括：
所述网络设备向所述终端设备发送指示信息，所述指示信息用于指示所述终端设备上报所述能力信息。
上述可选地实施方式的具体过程以及有益效果可以参考方法200中的相关描述，在此不再赘述。
上文详细介绍了本申请提供的通信方法的示例。可以理解的是，通信装置为了实现上述功能，其包含了执行各个功能相应的硬件结构和/或软件模块。本领域技术人员应该很容易意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，本申请能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
本申请可以根据上述方法示例对通信装置进行功能单元的划分，例如，可以将各个功能划分为各个功能单元，也可以将两个或两个以上的功能集成在一个处理单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。需要说明的是，本申请中对单元的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。
图4是本申请提供的一种通信装置的结构示意图。该装置400包括处理单元410，可选地，还可以包括发送单元420和接收单元430，发送单元420能够在处理单元410的控制下执行发送步骤，接收单元430能够在处理单元410的控制下执行接收步骤(或获取步骤)。处理单元410可以用于执行：
确定第一发射时间，所述第一发射时间为在目标时段内在辅载波上进行发射的发射时间；
根据所述第一发射时间确定第二发射时间，所述第二发射时间为在所述目标时段内在主载波上进行发射的发射时间，所述主载波与所述辅载波在所述目标时段内的SAR之和小于或等于SAR阈值。
可选地，处理单元410具体用于：根据所述第一发射时间和所述辅载波的第一发射功率确定所述辅载波在所述目标时段内的第一SAR；根据所述SAR阈值和所述第一SAR确定第二SAR，所述第二SAR小于或等于所述SAR阈值与所述第一SAR的差值；根据所述第一SAR和所述第二SAR确定所述第二发射时间，所述第二发射时间与所述第一SAR和所述第二SAR的差值正相关，并且，所述第二发射时间与所述主载波的发射功率负相关。
可选地，所述第一发射功率为最大发射功率。
可选地，处理单元410具体用于：获取所述辅载波所属的辅小区的上下行配置信息；根据所述上下行配置信息确定所述第一发射时间。
可选地，所述上下行配置信息承载于所述辅小区的广播消息中。
可选地，处理单元410还用于：接入所述辅小区。
可选地，所述上下行配置信息承载于所述主载波所属的主小区的RRC消息中。
可选地，发送单元420用于：向所述主载波所属的主小区发送能力信息，所述能力信息用于指示所述第二发射时间。
可选地，所述能力信息承载于TAU消息中。
可选地，发送单元420具体用于：在重新接入所述主小区后，向所述主小区发送所述能力信息。
可选地，接收单元430用于：从所述网络设备获取指示信息，所述指示信息指示上报所述能力信息。
可选地，处理单元410具体用于：从网络设备接收时间信息，所述时间信息用于指示在所述目标时段内在所述主载波上进行发射的第三发射时间；当所述第三发射时间大于所述第二发射时间时，执行所述主载波的功率回退，或执行所述主载波的总功率回退。
图5是本申请提供的另一种通信装置的结构示意图。该装置500包括处理单元510、发送单元520和接收单元530，发送单元520能够在处理单元510的控制下执行发送步骤，接收单元530能够在处理单元510的控制下执行接收步骤(或获取步骤)。
接收单元530用于：从终端设备接收能力信息，所述能力信息用于指示所述终端设备使用主载波在目标时段内发射信号的第二发射时间；
发送单元520用于：向所述终端设备发送时间信息，所述时间信息用于指示所述终端设备使用所述主载波在所述目标时段内发射信号的第三发射时间。
可选地，发送单元520还用于：向所述终端设备发送辅小区的上下行配置信息，所述上下行配置信息用于所述终端设备确定所述第二发射时间。
可选地，所述上下行配置信息承载于RRC消息中。
可选地，所述发送单元还用于：向所述终端设备发送指示信息，所述指示信息用于指示所述终端设备上报所述能力信息。
图6示出了本申请提供的一种通信设备的结构示意图。图6中的虚线表示该单元或该模块为可选的。设备600可用于实现上述方法实施例中描述的方法。设备600可以是终端设备或网络设备或芯片。
设备600包括一个或多个处理器601，该一个或多个处理器601可支持设备600实现图2至图5所对应方法实施例中的方法。处理器601可以是通用处理器或者专用处理器。例如，处理器601可以是中央处理器(central processing unit，CPU)。CPU可以用于对设备600进行控制，执行软件程序，处理软件程序的数据。设备600还可以包括通信单元605，用以实现信号的输入(接收)和输出(发送)。
例如，设备600可以是芯片，通信单元605可以是该芯片的输入和/或输出电路，或者，通信单元605可以是该芯片的通信接口，该芯片可以作为终端设备或网络设备或其它无线通信设备的组成部分。
又例如，设备600可以是终端设备或网络设备，通信单元605可以是该终端设备或该网络设备的收发器，或者，通信单元605可以是该终端设备或该网络设备的收发电路。
设备600中可以包括一个或多个存储器602，其上存有程序604，程序604可被处理器601运行，生成指令603，使得处理器601根据指令603执行上述方法实施例中描述的方法。可选地，存储器602中还可以存储有数据。可选地，处理器601还可以读取存储器602中存储的数据，该数据可以与程序604存储在相同的存储地址，该数据也可以与程序604存储在不同的存储地址。
处理器601和存储器602可以单独设置，也可以集成在一起，例如，集成在网络设备的单板或者终端设备的系统级芯片(system on chip，SOC)上。
设备600还可以包括天线606。通信单元605用于通过天线606实现设备600的收发功能。
处理器601执行通信方法的具体方式可以参见方法实施例中的相关描述。
应理解，上述方法实施例的各步骤可以通过处理器601中的硬件形式的逻辑电路或者软件形式的指令完成。处理器601可以是CPU、数字信号处理器(digital signal processor，DSP)、专用集成电路(application specific integrated circuit，ASIC)、现场可编程门阵列(field programmable gate array，FPGA)或者其它可编程逻辑器件，例如，分立门、晶体管逻辑器件或分立硬件组件。
本申请还提供了一种计算机程序产品，该计算机程序产品被处理器601执行时实现本申请中任一方法实施例所述的方法。
该计算机程序产品可以存储在存储器602中，例如是程序604，程序604经过预处理、编译、汇编和链接等处理过程最终被转换为能够被处理器601执行的可执行目标文件。
本申请还提供了一种计算机可读存储介质，其上存储有计算机程序，该计算机程序 被计算机执行时实现本申请中任一方法实施例所述的方法。该计算机程序可以是高级语言程序，也可以是可执行目标程序。
该计算机可读存储介质例如是存储器602。存储器602可以是易失性存储器或非易失性存储器，或者，存储器602可以同时包括易失性存储器和非易失性存储器。其中，非易失性存储器可以是只读存储器(read-only memory，ROM)、可编程只读存储器(programmable ROM，PROM)、可擦除可编程只读存储器(erasable PROM，EPROM)、电可擦除可编程只读存储器(electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(random access memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(direct rambus RAM，DR RAM)。
本领域的技术人员可以清楚地了解到，为了描述的方便和简洁，上述描述的装置和设备的具体工作过程以及产生的技术效果，可以参考前述方法实施例中对应的过程和技术效果，在此不再赘述。
在本申请所提供的几个实施例中，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的方法实施例的一些特征可以忽略，或不执行。以上所描述的装置实施例仅仅是示意性的，单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，多个单元或组件可以结合或者可以集成到另一个系统。另外，各单元之间的耦合或各个组件之间的耦合可以是直接耦合，也可以是间接耦合，上述耦合包括电的、机械的或其它形式的连接。
应理解，在本申请的各种实施例中，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。
另外，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中的术语“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。
总之，以上所述仅为本申请技术方案的较佳实施例而已，并非用于限定本申请的保护范围。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (42)

  1. 一种通信方法，其特征在于，包括：
    确定第一发射时间，所述第一发射时间为在目标时段内在辅载波上进行发射的发射时间；
    根据所述第一发射时间确定第二发射时间，所述第二发射时间为在所述目标时段内在主载波上进行发射的发射时间，所述主载波与所述辅载波在所述目标时段内的电磁波吸收比值SAR之和小于或等于SAR阈值。
  2. 根据权利要求1所述的方法，其特征在于，所述根据所述第一发射时间确定第二发射时间，包括：
    根据所述第一发射时间和所述辅载波的第一发射功率确定所述辅载波在所述目标时段内的第一SAR；
    根据所述SAR阈值和所述第一SAR确定第二SAR，所述第二SAR小于或等于所述SAR阈值与所述第一SAR的差值；
    根据所述第一SAR和所述第二SAR确定所述第二发射时间，所述第二发射时间与所述第一SAR和所述第二SAR的差值正相关，并且，所述第二发射时间与所述主载波的发射功率负相关。
  3. 根据权利要求2所述的方法，其特征在于，所述第一发射功率为最大发射功率。
  4. 根据权利要求1至3中任一项所述的方法，其特征在于，所述确定第一发射时间，包括：
    终端设备获取所述辅载波所属的辅小区的上下行配置信息；
    所述终端设备根据所述上下行配置信息确定所述第一发射时间。
  5. 根据权利要求4所述的方法，其特征在于，所述上下行配置信息承载于所述辅小区的广播消息中。
  6. 根据权利要求4或5所述的方法，其特征在于，所述终端设备获取所述辅载波所属的辅小区的上下行配置信息之前，还包括：
    所述终端设备接入所述辅小区。
  7. 根据权利要求4所述的方法，其特征在于，所述上下行配置信息承载于所述主载波所属的主小区的无线资源控制RRC消息中。
  8. 根据权利要求1至7中任一项所述的方法，其特征在于，还包括：
    终端设备向所述主载波所属的主小区发送能力信息，所述能力信息用于指示所述第二发射时间。
  9. 根据权利要求8所述的方法，其特征在于，所述能力信息承载于跟踪区更新TAU消息中。
  10. 根据权利要求8或9所述的方法，其特征在于，所述终端设备向网络设备发送能力信息，包括：
    所述终端设备在重新接入所述主小区后，向所述主小区发送所述能力信息。
  11. 根据权利要求8至10中任一项所述的方法，其特征在于，还包括：
    所述终端设备从所述网络设备获取指示信息，所述指示信息指示所述终端设备上报所述能力信息。
  12. 根据权利要求1至11中任一项所述的方法，其特征在于，还包括：
    终端设备从网络设备接收时间信息，所述时间信息用于指示在所述目标时段内在所述主载波上进行发射的第三发射时间；
    当所述第三发射时间大于所述第二发射时间时，执行所述主载波的功率回退，或执行所述主载波与所述辅载波的总功率回退。
  13. 一种通信方法，其特征在于，包括：
    网络设备从终端设备接收能力信息，所述能力信息用于指示所述终端设备使用主载波在目标时段内发射信号的第二发射时间；
    所述网络设备向所述终端设备发送时间信息，所述时间信息用于指示所述终端设备使用所述主载波在所述目标时段内发射信号的第三发射时间。
  14. 根据权利要求13所述的方法，其特征在于，还包括：
    所述网络设备向所述终端设备发送辅小区的上下行配置信息，所述上下行配置信息用于所述终端设备确定所述第二发射时间。
  15. 根据权利要求13或14所述的方法，其特征在于，所述上下行配置信息承载于无线资源控制RRC消息中。
  16. 根据权利要求13至16中任一项所述的方法，其特征在于，还包括：
    所述网络设备向所述终端设备发送指示信息，所述指示信息用于指示所述终端设备上报所述能力信息。
  17. 一种通信装置，其特征在于，包括处理单元，用于：
    确定第一发射时间，所述第一发射时间为在目标时段内在辅载波上进行发射的发射时间；
    根据所述第一发射时间确定第二发射时间，所述第二发射时间为在所述目标时段内在主载波上进行发射的发射时间，所述主载波与所述辅载波在所述目标时段内的电磁波吸收比值SAR之和小于或等于SAR阈值。
  18. 根据权利要求17所述的装置，其特征在于，所述处理单元具体用于：
    根据所述第一发射时间和所述辅载波的第一发射功率确定所述辅载波在所述目标时段内的第一SAR；
    根据所述SAR阈值和所述第一SAR确定第二SAR，所述第二SAR小于或等于所述SAR阈值与所述第一SAR的差值；
    根据所述第一SAR和所述第二SAR确定所述第二发射时间，所述第二发射时间与所述第一SAR和所述第二SAR的差值正相关，并且，所述第二发射时间与所述主载波的发射功率负相关。
  19. 根据权利要求18所述的装置，其特征在于，所述第一发射功率为最大发射功率。
  20. 根据权利要求17至19中任一项所述的装置，其特征在于，所述处理单元具体用于：
    获取所述辅载波所属的辅小区的上下行配置信息；
    根据所述上下行配置信息确定所述第一发射时间。
  21. 根据权利要求20所述的装置，其特征在于，所述上下行配置信息承载于所述辅小区的广播消息中。
  22. 根据权利要求20或21所述的装置，其特征在于，所述处理单元还用于：
    接入所述辅小区。
  23. 根据权利要求20所述的装置，其特征在于，所述上下行配置信息承载于所述主载波所属的主小区的无线资源控制RRC消息中。
  24. 根据权利要求17至23中任一项所述的装置，其特征在于，所述装置还包括发送单元，用于：
    向所述主载波所属的主小区发送能力信息，所述能力信息用于指示所述第二发射时间。
  25. 根据权利要求24所述的装置，其特征在于，所述能力信息承载于跟踪区更新TAU消息中。
  26. 根据权利要求24或25所述的装置，其特征在于，所述发送单元具体用于：
    在重新接入所述主小区后，向所述主小区发送所述能力信息。
  27. 根据权利要求24至26中任一项所述的装置，其特征在于，所述装置还包括接收单元，用于：
    从所述网络设备获取指示信息，所述指示信息指示上报所述能力信息。
  28. 根据权利要求17至27中任一项所述的装置，其特征在于，所述处理单元具体用于：
    从网络设备接收时间信息，所述时间信息用于指示在所述目标时段内在所述主载波上进行发射的第三发射时间；
    当所述第三发射时间大于所述第二发射时间时，执行所述主载波的功率回退，或执行所述主载波与所述辅载波的总功率回退。
  29. 一种通信装置，其特征在于，包括处理单元、接收单元和发送单元，
    所述处理单元用于控制所述接收单元执行：从终端设备接收能力信息，所述能力信息用于指示所述终端设备使用主载波在目标时段内发射信号的第二发射时间；
    所述处理单元用于控制所述发送单元执行：向所述终端设备发送时间信息，所述时间信息用于指示所述终端设备使用所述主载波在所述目标时段内发射信号的第三发射时间。
  30. 根据权利要求29所述的装置，其特征在于，所述发送单元还用于：
    向所述终端设备发送辅小区的上下行配置信息，所述上下行配置信息用于所述终端设备确定所述第二发射时间。
  31. 根据权利要求29或30所述的装置，其特征在于，所述上下行配置信息承载于无线资源控制RRC消息中。
  32. 根据权利要求29至31中任一项所述的装置，其特征在于，所述发送单元还用于：
    向所述终端设备发送指示信息，所述指示信息用于指示所述终端设备上报所述能力信息。
  33. 一种终端设备，其特征在于，包括：处理器和存储器，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如权利要求1至12中任一项所述的方法。
  34. 一种网络设备，其特征在于，包括：处理器和存储器，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如权利要求1至3中任一项所述的方法，和/或，执行如权利要求13至16中任一项所述的方法。
  35. 一种芯片，其特征在于，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行：如权利要求1至12中任一项所述的方法。
  36. 一种芯片，其特征在于，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行：如权利要求1至3中任一项所述的方法，和/或，如权利要求13至16中任一项所述的方法。
  37. 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，所述计算机程序使得计算机执行：如权利要求1至12中任一项所述的方法。
  38. 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，所述计算机程序使得计算机执行：如权利要求1至3中任一项所述的方法，和/或，如权利要求13至16中任一项所述的方法。
  39. 一种计算机程序产品，其特征在于，包括计算机程序指令，该计算机程序指令使得计算机执行：如权利要求1至12中任一项所述的方法。
  40. 一种计算机程序产品，其特征在于，包括计算机程序指令，该计算机程序指令使得计算机执行：如权利要求1至3中任一项所述的方法，和/或，如权利要求13至16中任一项所述的方法。
  41. 一种计算机程序，其特征在于，所述计算机程序使得计算机执行：如权利要求1至12中任一项所述的方法。
  42. 一种计算机程序，其特征在于，所述计算机程序使得计算机执行：如权利要求1至3中任一项所述的方法，和/或，如权利要求13至16中任一项所述的方法。
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115244890A (zh) * 2022-06-07 2022-10-25 北京小米移动软件有限公司 一种传输配置信息的方法、装置及可读存储介质
CN115549880A (zh) * 2022-09-15 2022-12-30 中国联合网络通信集团有限公司 干扰抑制方法、装置、设备及存储介质
WO2024067495A1 (zh) * 2022-09-28 2024-04-04 华为技术有限公司 发射信号的方法、装置与设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113891444B (zh) * 2021-10-20 2023-08-11 中国联合网络通信集团有限公司 一种发射功率确定方法、装置和存储介质
CN115413039B (zh) * 2022-08-15 2024-07-05 中国联合网络通信集团有限公司 通信方法、网络设备及存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108012334A (zh) * 2016-10-31 2018-05-08 华为技术有限公司 传输方法、终端设备和无线接入网设备
WO2018083234A1 (en) * 2016-11-04 2018-05-11 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods to derive configured output power with different tti
CN109392067A (zh) * 2017-08-11 2019-02-26 中国移动通信有限公司研究院 一种功率分配方法及通信设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9603074B2 (en) * 2013-12-16 2017-03-21 Apple Inc. Systems and methods for carrier channel selection in carrier aggregation enabled networks
CN110572877B (zh) * 2017-11-17 2020-11-10 华为技术有限公司 一种信息发送、接收的方法及装置
CN109587779B (zh) * 2019-01-29 2021-12-07 中国联合网络通信集团有限公司 一种双连接通信结构及其上行方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108012334A (zh) * 2016-10-31 2018-05-08 华为技术有限公司 传输方法、终端设备和无线接入网设备
WO2018083234A1 (en) * 2016-11-04 2018-05-11 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods to derive configured output power with different tti
CN109392067A (zh) * 2017-08-11 2019-02-26 中国移动通信有限公司研究院 一种功率分配方法及通信设备

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115244890A (zh) * 2022-06-07 2022-10-25 北京小米移动软件有限公司 一种传输配置信息的方法、装置及可读存储介质
CN115549880A (zh) * 2022-09-15 2022-12-30 中国联合网络通信集团有限公司 干扰抑制方法、装置、设备及存储介质
CN115549880B (zh) * 2022-09-15 2024-04-12 中国联合网络通信集团有限公司 干扰抑制方法、装置、设备及存储介质
WO2024067495A1 (zh) * 2022-09-28 2024-04-04 华为技术有限公司 发射信号的方法、装置与设备

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