WO2020210964A1 - Procédé de communication sans fil, dispositif terminal et dispositif de réseau - Google Patents

Procédé de communication sans fil, dispositif terminal et dispositif de réseau Download PDF

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Publication number
WO2020210964A1
WO2020210964A1 PCT/CN2019/082781 CN2019082781W WO2020210964A1 WO 2020210964 A1 WO2020210964 A1 WO 2020210964A1 CN 2019082781 W CN2019082781 W CN 2019082781W WO 2020210964 A1 WO2020210964 A1 WO 2020210964A1
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WIPO (PCT)
Prior art keywords
terminal device
information
power
network device
maximum
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PCT/CN2019/082781
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English (en)
Chinese (zh)
Inventor
邢金强
Original Assignee
Oppo广东移动通信有限公司
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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 CN201980073754.0A priority Critical patent/CN112997545B/zh
Priority to PCT/CN2019/082781 priority patent/WO2020210964A1/fr
Publication of WO2020210964A1 publication Critical patent/WO2020210964A1/fr

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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
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets

Definitions

  • the embodiments of the present application relate to the field of communication, and more specifically, to wireless communication methods, terminal devices, and network devices.
  • SAR Specific Absorption Rate
  • LTE Long Term Evolution
  • NR New Radio
  • the embodiments of the present application provide a wireless communication method, terminal equipment, and network equipment, which are beneficial to avoid the problem of excessive SAR of the terminal equipment in NR communication.
  • a wireless communication method which includes:
  • the terminal device determines a first corresponding relationship, where the first corresponding relationship is the corresponding relationship between the transmit power and the maximum uplink proportion, and each maximum uplink proportion is the corresponding relationship between the terminal device and each maximum uplink proportion.
  • the maximum uplink proportion under the transmit power to ensure that the SAR does not exceed the standard;
  • the terminal device sends first information to the network device, the first information includes the first correspondence, and the first information is used by the network device to schedule the uplink transmission time domain resources of the terminal device based on the first correspondence.
  • a wireless communication method in a second aspect, includes:
  • the terminal device determines the maximum uplink proportion according to at least one of actual transmit power, uplink service requirements, and location in the network;
  • the terminal device sends first information to the network device, the first information includes the maximum uplink proportion, and the first information is used by the network device to schedule the uplink transmission time domain resources of the terminal device according to the maximum uplink proportion.
  • a wireless communication method includes:
  • the network device receives the first information sent by the terminal device, the first information includes a first correspondence, where the first correspondence is the correspondence between the transmit power and the maximum uplink proportion, and each maximum uplink proportion is The terminal equipment ensures that the SAR does not exceed the maximum uplink share under the transmit power corresponding to each maximum uplink share;
  • the network device receives second information sent by the terminal device, where the second information is used to indicate the actual transmit power of the terminal device;
  • the network device schedules the uplink transmission time domain resources of the terminal device according to the actual transmission power and the first correspondence.
  • a wireless communication method which includes:
  • the network device receives first information sent by the terminal device, where the first information includes a maximum uplink proportion, where the maximum uplink proportion is the terminal device according to at least one of actual transmit power, uplink service requirements, and location in the network.
  • the maximum uplink proportion is the terminal device according to at least one of actual transmit power, uplink service requirements, and location in the network.
  • the network device schedules the uplink transmission time domain resources of the terminal device according to the maximum uplink proportion.
  • a terminal device which is used to execute the method in the first aspect or its implementation manners.
  • the terminal device includes a functional module for executing the method in the foregoing first aspect or each implementation manner thereof.
  • a terminal device which is used to execute the method in the second aspect or its implementation manners.
  • the terminal device includes a functional module for executing the method in the foregoing second aspect or each of its implementation manners.
  • a network device is provided, which is used to execute the method in the third aspect or its implementation manners.
  • the network device includes a functional module for executing the method in the third aspect or its implementation manners.
  • a network device configured to execute the method in the fourth aspect or its implementation manners.
  • the network device includes a functional module for executing the method in the foregoing fourth aspect or each implementation manner thereof.
  • 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-mentioned first aspect or each of its implementation modes.
  • 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-mentioned second aspect or each of its implementation modes.
  • 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, and execute the method in the third aspect or its implementation manners.
  • 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 foregoing fourth aspect or each of its implementation modes.
  • a device for implementing any one of the foregoing first to fourth aspects or the method in each implementation manner thereof.
  • the device includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the device executes any one of the above-mentioned first aspect to the fourth aspect or any of the implementation modes thereof method.
  • a computer-readable storage medium for storing a computer program that enables a computer to execute any one of the foregoing first to fourth aspects or the method in each of its implementation manners.
  • a computer program product including computer program instructions that cause a computer to execute any one of the above-mentioned first to fourth aspects or the method in each implementation manner thereof.
  • a computer program which when run on a computer, causes the computer to execute any one of the above-mentioned first to fourth aspects or the method in each of its implementation modes.
  • Fig. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • Fig. 2 is a schematic flowchart of a wireless communication method according to an embodiment of the present application.
  • Fig. 3 is a schematic diagram of PH reporting according to an embodiment of the present application.
  • Fig. 4 is a schematic diagram of reporting actual transmit power of a terminal device according to an embodiment of the present application.
  • Fig. 5 is another schematic diagram of reporting actual transmit power of a terminal device according to an embodiment of the present application.
  • Fig. 6 is a schematic flowchart of a wireless communication method according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of reporting a maximum uplink proportion according to an embodiment of the present application.
  • Fig. 8 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • Fig. 9 is a schematic block diagram of another terminal device according to an embodiment of the present application.
  • Fig. 10 is a schematic block diagram of a network device according to an embodiment of the present application.
  • Fig. 11 is a schematic block diagram of another network device provided according to an embodiment of the present application.
  • Fig. 12 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • Fig. 13 is a schematic block diagram of an apparatus provided according to an embodiment of the present application.
  • Fig. 14 is a schematic block diagram of a communication system according to an embodiment of the present application.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • New Radio, NR evolution system of NR system
  • LTE LTE-based access to unlicensed spectrum
  • LTE-U Universal Mobile Telecommunication System
  • UMTS Universal Mobile Telecommunication System
  • WLAN Wireless Local Area Networks
  • WiFi Wireless Fidelity
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC machine type communication
  • V2V vehicle to vehicle
  • the communication system in the embodiments of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, can also be applied to a dual connectivity (DC) scenario, and can also be applied to a standalone (SA) deployment.
  • CA Carrier Aggregation
  • DC dual connectivity
  • SA standalone
  • the embodiment of this application does not limit the applied spectrum.
  • the embodiments of this application can be applied to licensed spectrum or unlicensed spectrum.
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or called a communication terminal or terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminal devices located in the coverage area.
  • Figure 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. The embodiment does not limit this.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 and a terminal device 120 with communication functions, and the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the application.
  • terminal equipment may also be called User Equipment (UE), access terminal, subscriber unit, user station, mobile station, mobile station, and remote Station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • UE User Equipment
  • access terminal subscriber unit
  • subscriber unit user station
  • mobile station mobile station
  • mobile station mobile station
  • remote Station remote terminal
  • mobile device user terminal
  • terminal wireless communication device
  • user agent or user device etc.
  • the terminal equipment can be a station (STAION, ST) in a WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, and a personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, and next-generation communication systems, such as terminal devices in the NR network or Terminal equipment in the future evolved Public Land Mobile Network (PLMN) network.
  • STAION, ST station
  • WLAN Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices. It is a general term for the application of wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is directly worn on the body or integrated into the user's clothes or accessories. Wearable devices are not only a hardware device, but also realize powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-sized, complete or partial functions that can be achieved without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, and need to cooperate with other devices such as smart phones.
  • a network device can be a device used to communicate with a mobile device.
  • the network device can be an access point (AP) in WLAN, a base station (BTS) in GSM or CDMA, or a device in WCDMA
  • a base station (NodeB, NB) can also be an Evolutional Node B (eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, and a network device or base station in the NR network ( gNB) or network equipment in the future evolved PLMN network.
  • AP access point
  • BTS base station
  • NB can also be an Evolutional Node B (eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, and a network device or base station in the NR network (gNB) or network equipment in the future evolved PLMN network.
  • gNB NR network
  • the network equipment provides services for the cell, and the terminal equipment communicates with the network equipment through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell.
  • the cell may be a network equipment (for example, The cell corresponding to the base station.
  • the cell can belong to a macro base station or a base station corresponding to a small cell.
  • the small cell here can include: Metro cell, Micro cell, Pico Cells, Femto cells, etc. These small cells have the characteristics of small coverage and low transmit power, and are suitable for providing high-rate data transmission services.
  • the terminal In order to meet the SAR index, the terminal usually uses a distance sensor to detect the distance between the terminal and the human body, and performs a power back-off method when it is close to the human body to reduce the transmission power and avoid excessive SAR.
  • this method effectively solved the problem of excessive SAR.
  • testing is no longer testing a terminal placement posture, it has become that all mobile phone faces and edges need to be close to the human body and test SAR
  • this solution is increasingly unable to guarantee the terminal The SAR radiation problem in multiple positions. A more general solution is needed.
  • Uplink-downlink configuration 0 and 6 limits the uplink transmission time of the terminal to less than 50%, which eliminates the problem of high SAR value caused by high-power terminals to a certain extent.
  • D represents a downlink subframe
  • S represents a special subframe
  • U represents an uplink subframe
  • High-power terminals have also been introduced into NR, and standardization has also tried to solve the problem of excessive SAR through a method similar to LTE, but it is difficult to reach an agreement.
  • LTE has only 7 uplink and downlink configurations and all are static configurations, but NR has more than 60 configurations, as shown in Table 2 below, and each configuration has flexible symbols that can be configured as uplink or downlink. This makes it very difficult to calculate the proportion of uplink in each uplink and downlink configuration.
  • the maximum uplink time slot ratio (maxULdutycycle) terminal capability is introduced, that is, the terminal reports to the network the maximum uplink ratio supported in a certain frequency band. When the uplink ratio scheduled by the network equipment exceeds this capacity, the terminal Use power back-off to reduce the SAR value.
  • This solution can solve the problem of excessive SAR emitted by a standalone terminal in a frequency band of NR.
  • D represents a downlink symbol
  • X represents a flexible symbol
  • U represents an uplink symbol
  • NR terminals for example, sub-6GHz high-power terminals and/or millimeter-wave terminals
  • This occupancy ratio corresponds to the scenario where the terminal transmits at maximum power, but when the terminal transmit power is low
  • the terminal can actually schedule a higher uplink share, but according to the current working mechanism, it is still limited by this uplink share capability.
  • the SAR corresponding to the corresponding uplink time slot ratio is 50%, and the terminal reports 50% as the maximum uplink ratio capacity that can be scheduled.
  • the power is 23dBm, it is also limited by the uplink ratio capacity.
  • the terminal's SAR does not exceed the standard at 23dBm, the uplink accounted for up to 90%. This means that 40% of the uplink percentage of the terminal cannot be scheduled, and the uplink throughput is severely limited.
  • FIG. 2 is a schematic flowchart of a wireless communication method 200 according to an embodiment of the present application. As shown in FIG. 2, the method 200 may include the following content:
  • the terminal device determines a first correspondence, where the first correspondence is a correspondence between a transmit power and a maximum uplink proportion, and each maximum uplink proportion is the terminal device’s maximum uplink proportion.
  • the maximum uplink proportion under the corresponding transmit power to ensure that the SAR does not exceed the standard;
  • the terminal device sends first information to the network device, where the first information includes the first correspondence, and the first information is used by the network device to schedule the uplink transmission time domain resources of the terminal device based on the first correspondence. ;
  • S230 The network device receives the first information.
  • the uplink transmission time domain resource may be an uplink transmission time slot.
  • the transmission power may also be referred to as the transmission power.
  • the embodiments of the present application are applied to NR communication.
  • the terminal device is a high-power (sub-6GHz) terminal device and/or a millimeter wave terminal device.
  • the terminal device sends the first information to the network device when accessing the network. That is, the terminal device may determine the first correspondence in advance, and send the first information to the network device when accessing the network.
  • the network device receives the first information sent by the terminal device when accessing the network.
  • the transmit power in the first correspondence is the transmit power for high-power terminal devices, or the transmit power in the first correspondence is the transmit power for millimeter wave terminal devices. Peak transmit power.
  • the transmit power in the first correspondence is the transmit power for high-power terminal devices.
  • the first correspondence may be as shown in Table 3 below.
  • the transmit power in the first correspondence is the peak transmit power for the millimeter wave terminal device.
  • the first correspondence may be as shown in Table 4 below.
  • millimeter wave terminal transmit power generally uses antenna test (Over The Air, OTA) parameters, such as three-dimensional total radiated power (TRP) and peak power in a certain direction.
  • OTA Over The Air
  • TRP three-dimensional total radiated power
  • the Pcmax in the millimeter wave power control above uses peak power (Peak Effective Isotropic Radiated Power, Peak EIRP) as a parameter for description.
  • the network device may refer to the first correspondence to schedule the uplink transmission time domain resources of the terminal device.
  • the terminal device sends second information to the network device, and the second information is used to indicate the actual transmit power of the terminal device, where the first information is specifically used for the network device Scheduling the uplink transmission time domain resources of the terminal device based on the actual transmission power and the first correspondence.
  • the network device can schedule the uplink transmission time domain resources of the terminal device according to the actual transmission power and the first correspondence.
  • the network device needs to report the power headroom (PH) for solution.
  • PH reporting is performed as shown in Figure 3, that is, the terminal reports the power headroom PH, and the terminal also reports the theoretical maximum transmission power (Pcmax) to the network device.
  • Pcmax the theoretical maximum transmission power
  • the network equipment can know that the theoretical transmission power of the terminal equipment is: Pcmax-PH.
  • P-MPR power backoff value
  • the actual transmit power of the terminal device will deviate from this calculation result. Therefore, the power backoff value needs to be reported to the network at the same time.
  • the terminal device may send the second information to the network device in a PH reporting manner as shown in FIG. 4.
  • the terminal device may send the second information to the network device in a PH reporting manner as shown in FIG. 5.
  • the power headroom (PH) is mainly for Type 1 (Type 1) and Primary Cell (Primary Cell, PCell).
  • the terminal device periodically sends the second information to the network device.
  • the network device periodically receives the second information sent by the terminal device.
  • the period during which the terminal device sends the second information is the PH reporting period.
  • the period for the terminal device to report the second information may be pre-configured, or configured or instructed by the network device.
  • the network device can obtain the actual transmit power of the terminal device in real time, and based on the first corresponding relationship, determine the maximum uplink proportion that the terminal device can be scheduled, thereby realizing dynamic adjustment of the uplink proportion.
  • the period in which the network device schedules the uplink transmission time domain resources of the terminal device may be an integer multiple of the PH reporting period.
  • the network device periodically schedules the uplink transmission time domain resources of the terminal device according to the actual transmission power and the first correspondence, where the scheduling period is an integer multiple of the reception period.
  • the SAR of high-power terminal equipment and/or millimeter wave terminal equipment in NR communication is prevented from exceeding the standard, and at the same time, excessive restriction on the uplink transmission time slot is avoided.
  • the network device can learn the actual transmit power of the terminal device in real time, and combine the first corresponding relationship reported by the terminal device (the corresponding relationship between the transmit power and the maximum uplink proportion) to determine the maximum uplink proportion capacity that can be scheduled by the current terminal device, thereby Dispatch terminal equipment on demand.
  • FIG. 6 is a schematic flowchart of a wireless communication method 300 according to an embodiment of the present application. As shown in FIG. 6, the method 300 may include the following content:
  • the terminal device determines a maximum uplink proportion according to at least one of actual transmit power, uplink service requirements, and location in the network.
  • the terminal device sends first information to the network device, where the first information includes the maximum uplink proportion, and the first information is used by the network device to schedule the uplink transmission time domain resources of the terminal device according to the maximum uplink proportion ;
  • S330 The network device receives the first information.
  • S340 The network device schedules the uplink transmission time domain resources of the terminal device according to the maximum uplink proportion.
  • the terminal device proactively reports the maximum uplink capacity in real time.
  • the terminal device can decide to apply for more or less uplink time slot resources from the network device according to at least one of the actual transmit power, uplink service requirements, and location in the network, which is closer to the actual needs of the terminal device. , Saving unnecessary uplink time slot allocation. For example, when the terminal device is at the edge of a cell, it is more important for the terminal device to maintain a high transmission power, otherwise it will cause the problem of being unable to access the network due to insufficient power. But when the terminal equipment is in the cell center, it can use low transmit power in exchange for more uplink time slot resources. Therefore, the dynamic uplink time slot application initiated by the terminal equipment is more effective.
  • the uplink transmission time domain resource may be an uplink transmission time slot.
  • the transmission power may also be referred to as the transmission power.
  • the embodiments of the present application are applied to NR communication.
  • the terminal device is a high-power (sub-6GHz) terminal device and/or a millimeter wave terminal device.
  • the first information further includes a power headroom (PH) and the theoretical maximum transmit power (Pcmax) of the terminal device.
  • PH power headroom
  • Pcmax theoretical maximum transmit power
  • the maximum uplink duty cycle (maxUplinkDutyCycle) can be reported along with the PH.
  • the maximum uplink duty cycle (maxUplinkDutyCycle) is added to the PH to report information. If the maximum uplink duty ratio is vacant, the maximum uplink duty ratio reported at the latest time is used.
  • PH is reported periodically, and the network equipment can periodically know the maximum uplink proportion that the terminal equipment can currently schedule.
  • event-triggered PH reporting can be newly introduced. For example, when the transmission power of a terminal device changes significantly or there is a sudden data transmission service, the terminal device can report PH information to the network device (the main purpose is to obtain the maximum uplink account ratio).
  • the network device defaults to the maximum uplink proportion received last time.
  • the uplink proportion schedules the uplink transmission time domain resources of the terminal device.
  • the network device schedules the uplink of the terminal device according to the maximum uplink share received last time Transmit time domain resources.
  • the terminal device in a case where the power headroom needs to be reported, the terminal device sends the first information to the network device.
  • the terminal device periodically sends the first information to the network device.
  • the network device periodically receives the first information sent by the terminal device.
  • the terminal device when the change value of the transmission power is greater than the first threshold, and/or, in the case of sudden data to be transmitted, the terminal device sends the first information to the network device .
  • the network device when the change value of the transmission power of the terminal device is greater than the first threshold, and/or, in the case that the terminal device has bursty data to be transmitted, the network device receives the first data sent by the terminal device. information.
  • the first information further includes capability control information. Specifically, when the temperature of the body of the terminal device is greater than the second threshold, the first information is sent to the network device.
  • the capability control information may also be referred to as terminal assistance information (UEAssistanceInformation).
  • the capability control information is used for the network device to reduce the transmission power for the terminal device and/or to close part of the transmission channels for the terminal device.
  • the maximum uplink proportion is valid in the first time window.
  • the first information is used when the network device schedules the terminal device's uplink transmission according to the default or the last received maximum uplink ratio Domain resources.
  • the network device schedules the uplink transmission time domain resources of the terminal device according to the default or the maximum uplink proportion received last time.
  • the first time window may be pre-configured, or configured or instructed by the network device.
  • the network device defaults to the maximum uplink proportion received last time.
  • the uplink proportion schedules the uplink transmission time domain resources of the terminal device.
  • the network device schedules the uplink of the terminal device according to the maximum uplink share received last time Transmit time domain resources.
  • the network device can obtain the maximum uplink duty cycle currently schedulable to the terminal by reading the maximum uplink duty cycle (maxUplinkDutyCycle) in the UEAssistanceInformation message. Unless the network device receives a new maximum uplink share value, it uses the most recently received maximum uplink share value. Another way is that unless the network device receives a new maximum uplink share value, it will use the default maximum uplink share value. The new maximum uplink share value is only valid for a certain time window. When the time exceeds this time window, the default value will be used again. Maximum upstream share value.
  • the terminal device may also determine a first correspondence relationship, where the first correspondence relationship is the correspondence relationship between the transmit power and the maximum uplink proportion, and each maximum uplink proportion It is the maximum uplink proportion for the terminal device to ensure that the SAR does not exceed the standard under the transmit power corresponding to each maximum uplink proportion. Further, the terminal device determines the maximum uplink proportion according to at least one of actual transmission power, uplink service requirements, location in the network, and the first corresponding relationship.
  • the transmit power in the first correspondence is a transmit power for a high-power terminal device, or the transmit power in the first correspondence is a peak transmit power for a millimeter wave terminal device.
  • the transmission power in the first correspondence is the transmission power for high-power terminal devices.
  • the first correspondence may be as shown in Table 3.
  • the transmit power in the first correspondence is the peak transmit power for the millimeter wave terminal device.
  • the first correspondence may be as shown in Table 4.
  • the first correspondence relationship may be reported to the network device, or may not be reported to the network device.
  • the terminal device actively reports the maximum uplink share capability in real time.
  • the terminal device can decide to apply for more or less uplink time slot resources from the network device according to at least one of the actual transmit power, uplink service requirements, and location in the network, which is closer to the actual needs of the terminal device , Saving unnecessary uplink time slot allocation.
  • the terminal device when the terminal device is at the edge of a cell, it is more important for the terminal device to maintain a high transmission power, otherwise it will cause the problem of being unable to access the network due to insufficient power.
  • the terminal equipment is in the cell center, it can use low transmit power in exchange for more uplink time slot resources. Therefore, the dynamic uplink time slot application initiated by the terminal equipment is more effective.
  • FIG. 8 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • the terminal device 400 includes:
  • the processing unit 410 is configured to determine a first correspondence relationship, where the first correspondence relationship is a correspondence relationship between a transmit power and a maximum uplink proportion, and each maximum uplink proportion is the maximum uplink proportion of the terminal device.
  • the communication unit 420 is configured to send first information to a network device, the first information includes the first correspondence, and the first information is used by the network device to schedule the terminal device's uplink transmission time domain based on the first correspondence Resources.
  • the communication unit 420 is further configured to send second information to the network device, where the second information is used to indicate the actual transmit power of the terminal device, where the first information is specifically used by the network device based on the actual transmission power.
  • the transmission power and the first correspondence schedule the uplink transmission time domain resources of the terminal device.
  • the communication unit 420 is specifically configured to:
  • the second information is sent to the network device periodically.
  • the communication unit 420 is specifically configured to:
  • the transmit power in the first correspondence is a transmit power for a high-power terminal device, or the transmit power in the first correspondence is a peak transmit power for a millimeter wave terminal device.
  • terminal device 400 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 400 are to implement the method shown in FIG. 2 respectively.
  • the corresponding process of the terminal equipment in 200 will not be repeated here.
  • FIG. 9 shows a schematic block diagram of a terminal device 500 according to an embodiment of the present application.
  • the terminal device 500 includes:
  • the processing unit 510 is configured to determine the maximum uplink proportion according to at least one of actual transmit power, uplink service requirements, and location in the network;
  • the communication unit 520 is configured to send first information to a network device, where the first information includes the maximum uplink proportion, and the first information is used by the network device to schedule the uplink transmission time domain of the terminal device according to the maximum uplink proportion Resources.
  • the first information further includes the power headroom and the theoretical maximum transmit power of the terminal device.
  • the communication unit 520 is specifically configured to:
  • the first information is sent to the network device.
  • the communication unit 520 is specifically configured to:
  • the first information is sent to the network device periodically.
  • the communication unit 520 is specifically configured to:
  • the first information is sent to the network device.
  • the first information further includes capability control information.
  • the capability control information is used for the network device to reduce the transmission power for the terminal device and/or to close part of the transmission channels for the terminal device.
  • the communication unit 520 is specifically configured to:
  • the first information is sent to the network device.
  • the maximum uplink proportion is valid in the first time window.
  • the first information is used by the network device to schedule the uplink transmission time domain resources of the terminal device according to the default or the last received maximum uplink proportion.
  • the network device will default to schedule the terminal according to the last received maximum uplink share The uplink transmission time domain resources of the device.
  • the processing unit 510 is further configured to determine a first correspondence relationship, where the first correspondence relationship is a correspondence relationship between the transmit power and the maximum uplink proportion, and each maximum uplink proportion is the terminal device's The maximum uplink share under the transmit power corresponding to each maximum uplink share to ensure that SAR does not exceed the standard;
  • the processing unit 510 is specifically used for:
  • the maximum uplink proportion is determined according to at least one of actual transmission power, uplink service requirements, location in the network, and the first corresponding relationship.
  • the transmit power in the first correspondence is a transmit power for a high-power terminal device, or the transmit power in the first correspondence is a peak transmit power for a millimeter wave terminal device.
  • terminal device 500 may correspond to the terminal device in the method embodiment of the present application, and the foregoing and other operations and/or functions of each unit in the terminal device 500 are to implement the method shown in FIG. 6 respectively.
  • the corresponding process of the terminal equipment in 300 will not be repeated here.
  • FIG. 10 shows a schematic block diagram of a network device 600 according to an embodiment of the present application.
  • the network device 600 includes:
  • the communication unit 610 is configured to receive first information sent by a terminal device, the first information includes a first correspondence, where the first correspondence is a correspondence between a transmit power and a maximum uplink proportion, and each maximum The uplink share is the maximum uplink share of the terminal device under the transmit power corresponding to each maximum uplink share to ensure that the SAR does not exceed the standard.
  • the network device 600 further includes:
  • the communication unit 610 is further configured to receive second information sent by the terminal device, where the second information is used to indicate the actual transmit power of the terminal device;
  • the processing unit 620 is configured to schedule uplink transmission time domain resources of the terminal device according to the actual transmission power and the first correspondence.
  • the communication unit 610 is specifically configured to:
  • processing unit 620 is specifically configured to:
  • the uplink transmission time domain resources of the terminal device are periodically scheduled according to the actual transmission power and the first correspondence, where the scheduling period is an integer multiple of the reception period.
  • the communication unit 610 is specifically configured to:
  • the transmit power in the first correspondence is a transmit power for a high-power terminal device, or the transmit power in the first correspondence is a peak transmit power for a millimeter wave terminal device.
  • the network device 600 may correspond to the network device in the method embodiment of the present application, and the above and other operations and/or functions of each unit in the network device 600 are to implement the method shown in FIG. 2 respectively.
  • the corresponding process of the network equipment in 200 will not be repeated here.
  • FIG. 11 shows a schematic block diagram of a network device 700 according to an embodiment of the present application.
  • the network device 700 includes:
  • the communication unit 710 is configured to receive first information sent by a terminal device, where the first information includes a maximum uplink proportion, where the maximum uplink proportion is the terminal device's position in the network according to actual transmit power, uplink service requirements, and At least one of
  • the processing unit 720 is configured to schedule the uplink transmission time domain resources of the terminal device according to the maximum uplink proportion.
  • the first information further includes the power headroom and the theoretical maximum transmit power of the terminal device.
  • the communication unit 710 is specifically configured to:
  • the communication unit 710 is specifically configured to:
  • the change value of the transmission power of the terminal device is greater than the first threshold, and/or, in the case that the terminal device has bursty data to be transmitted, receiving the first information sent by the terminal device.
  • the first information further includes capability control information.
  • the capability control information is used for the network device to reduce the transmission power for the terminal device and/or to close part of the transmission channels for the terminal device.
  • the maximum uplink proportion is valid in the first time window.
  • the processing unit 720 is specifically used for:
  • the first information includes the domain corresponding to the maximum uplink share, and the maximum uplink share is not configured or vacant,
  • the processing unit 720 is specifically used for:
  • the network device 700 may correspond to the network device in the method embodiment of the present application, and the foregoing and other operations and/or functions of each unit in the network device 700 are to implement the method shown in FIG. 6 respectively.
  • the corresponding process of the network equipment in 300 will not be repeated here.
  • FIG. 12 is a schematic structural diagram of a communication device 800 provided by an embodiment of the present application.
  • the communication device 800 shown in FIG. 12 includes a processor 810, and the processor 810 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the communication device 800 may further include a memory 820.
  • the processor 810 can call and run a computer program from the memory 820 to implement the method in the embodiment of the present application.
  • the memory 820 may be a separate device independent of the processor 810, or may be integrated in the processor 810.
  • the communication device 800 may further include a transceiver 830, and the processor 810 may control the transceiver 830 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 830 may include a transmitter and a receiver.
  • the transceiver 830 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 800 may specifically be a network device in an embodiment of the present application, and the communication device 800 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. For brevity, details are not repeated here. .
  • the communication device 800 may specifically be a mobile terminal/terminal device of an embodiment of the present application, and the communication device 800 may implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application. For simplicity , I won’t repeat it here.
  • Fig. 13 is a schematic structural diagram of a device according to an embodiment of the present application.
  • the apparatus 900 shown in FIG. 13 includes a processor 910, and the processor 910 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the device 900 may further include a memory 920.
  • the processor 910 may call and run a computer program from the memory 920 to implement the method in the embodiment of the present application.
  • the memory 920 may be a separate device independent of the processor 910, or may be integrated in the processor 910.
  • the device 900 may further include an input interface 930.
  • the processor 910 can control the input interface 930 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the device 900 may further include an output interface 940.
  • the processor 910 can control the output interface 940 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the device can be applied to the network equipment in the embodiments of the present application, and the device can implement the corresponding processes implemented by the network equipment in the various methods of the embodiments of the present application.
  • the device can implement the corresponding processes implemented by the network equipment in the various methods of the embodiments of the present application.
  • details are not described herein again.
  • the device can be applied to the mobile terminal/terminal device in the embodiment of this application, and the device can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of this application.
  • the device can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of this application.
  • the device can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of this application.
  • the device mentioned in the embodiment of the present application may also be a chip.
  • it can be a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip.
  • FIG. 14 is a schematic block diagram of a communication system 1000 according to an embodiment of the present application. As shown in FIG. 14, the communication system 1000 includes a terminal device 1010 and a network device 1020.
  • the terminal device 1010 can be used to implement the corresponding function implemented by the terminal device in the above method
  • the network device 1020 can be used to implement the corresponding function implemented by the network device in the above method. For brevity, it will not be repeated here. .
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments can be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the aforementioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA ready-made programmable gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • ESDRAM enhanced synchronous dynamic random access memory
  • Synchlink DRAM SLDRAM
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is to say, the memory in the embodiment of the present application is intended to include but not limited to these and any other suitable types of memory.
  • the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application ,
  • the computer program enables the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application ,
  • I will not repeat it here.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product may be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, For the sake of brevity, I will not repeat them here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program runs on the computer, the computer is caused to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application.
  • the computer program runs on the computer, the computer executes each method in the embodiment of the present application. For the sake of brevity, the corresponding process will not be repeated here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • each unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of this application essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Les modes de réalisation de la présente invention concernent un procédé de communication sans fil, un dispositif terminal et un dispositif de réseau, qui permettent d'éviter au SAR du dispositif terminal en communication NR de dépasser une norme. Ledit procédé comprend les étapes suivantes : un dispositif terminal détermine une première corrélation, la première corrélation étant une corrélation entre une puissance d'émission et une proportion de liaison montante maximale, et chaque proportion de liaison montante maximale étant une proportion de liaison montante maximale qui garantit que le SAR du dispositif terminal ne dépasse pas une norme sous la puissance de transmission correspondant à chaque proportion de liaison montante maximale ; et le dispositif terminal envoie des premières informations à un dispositif de réseau, les premières informations comprenant la première corrélation, et les premières informations étant utilisées pour que le dispositif de réseau planifie une ressource de domaine temporel de transmission de liaison montante du dispositif terminal sur la base de la première corrélation.
PCT/CN2019/082781 2019-04-15 2019-04-15 Procédé de communication sans fil, dispositif terminal et dispositif de réseau WO2020210964A1 (fr)

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