WO2019071576A1 - 传输数据的方法、终端设备和网络设备 - Google Patents
传输数据的方法、终端设备和网络设备 Download PDFInfo
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- WO2019071576A1 WO2019071576A1 PCT/CN2017/106076 CN2017106076W WO2019071576A1 WO 2019071576 A1 WO2019071576 A1 WO 2019071576A1 CN 2017106076 W CN2017106076 W CN 2017106076W WO 2019071576 A1 WO2019071576 A1 WO 2019071576A1
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- network device
- terminal device
- indication information
- transmit power
- time unit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
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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
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1694—Allocation of channels in TDM/TDMA networks, e.g. distributed multiplexers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
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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
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
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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
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
Definitions
- Embodiments of the present invention relate to the field of communications, and more particularly, to a method of transmitting data, a terminal device, and a network device.
- 5G fifth generation of mobile communication technology
- 5G 5th generation of mobile communication technology
- eMBB Enhanced Mobile Broadband
- URLLC Ultra-Reliable and Low Latency Communication
- mMTC Massive Machine Type of Communication
- LTE-NR dual connection Dual Connection (DC) transmission data is supported by a combination of bandwidths to improve system throughput.
- DC Dual Connection
- the uplink signals of these carriers may interfere with the downlink received signals of some carriers, which reduces the success rate of data transmission.
- a method, a terminal device and a network device for transmitting data are provided, which can effectively improve the success rate of data transmission.
- a method of transmitting data comprising:
- the terminal device receives indication information, where the indication information is used by the terminal device to determine a first transmit power of uplink data in a target time unit;
- the terminal device sends uplink data to the first network device according to the first transmit power in the target time unit.
- the terminal device sends the indication information sent by the network device, so that the terminal device determines the first transmit power for sending the uplink data according to the self-interference condition in the target time unit, which can effectively improve the demodulation of the downlink data. Performance, which in turn increases the success rate of data transmission.
- the terminal device receives the indication information, including:
- the terminal device Receiving, by the terminal device, the time division multiplexing mode information of the terminal device in the target time unit sent by the first network device or the second network device, where the second network device sends the downlink to the terminal device a network device of the data, wherein the terminal device determines the first transmit power according to the indication information, including:
- the terminal device determines the first transmit power according to the time division multiplexing mode information.
- the first transmit power when the target time unit is used for receiving downlink data and transmitting uplink data, the first transmit power is smaller than a maximum transmit power that the terminal device can support, and the target time unit is only used.
- the first transmit power is a maximum transmit power that the terminal device can support.
- the indication information includes a bit sequence, where the bit sequence includes at least one value, where the at least one value is used by the terminal device to determine transmit power of uplink data in at least one time unit, At least one time unit includes the target time unit.
- the at least one time unit is periodic.
- the indication information further includes timing offset information and period information, where the timing offset information and the period information are used by the terminal device to determine that the at least one time unit is in a time domain.
- the indication information is used to indicate that the terminal device sends uplink data to the first network device according to the second transmit power in the target time unit, or the indication information is used to indicate The terminal device sends uplink data to the first network device according to the third transmit power in the target time unit, where the second transmit power is greater than the third transmit power.
- the second transmit power is a maximum transmit power that the terminal device can support.
- the terminal device receives the indication information, including:
- the terminal device receives downlink control information DCI sent by the first network device, where the DCI includes the indication information.
- the target time unit includes at least one of a subframe, a time slot, and a symbol.
- the indication information is information determined by the first network device or the second network device, or the indication information is negotiated and determined by the first network device and the second network device.
- the second network device is a network device that sends downlink data to the terminal device.
- the indication information is interaction information between the first network device and the second network device.
- a method of transmitting data including:
- the first network device obtains indication information, where the indication information is used by the terminal device to determine a first transmit power, where the first transmit power is a transmit power of the uplink data sent by the terminal device to the first network device in the target time unit. ;
- the first network device sends the indication information to the terminal device.
- the indication information is time division multiplexing mode information of the terminal device in the target time unit.
- the indication information includes a bit sequence, where the bit sequence includes at least one value, where the at least one value is used by the terminal device to determine transmit power of uplink data in at least one time unit, At least one time unit includes the target time unit.
- the at least one time unit is periodic.
- the indication information further includes timing offset information and period information, where the timing offset information and the period information are used by the terminal device to determine that the at least one time unit is in a time domain.
- the indication information is used to indicate that the terminal device sends uplink data to the first network device according to the second transmit power in the target time unit, or the indication information is used to indicate Said terminal device according to the third transmitting work in said target time unit Rate sending uplink data to the first network device, where the second transmit power is greater than the third transmit power.
- the second transmit power is a maximum transmit power that the terminal device can support.
- the acquiring, by the first network device, indication information includes:
- the first network device Determining, by the first network device, the indication information by negotiating with the second network device, where the second network device is a network device that sends downlink data to the terminal device in the target time unit; or Receiving, by the network device, the indication information sent by the second network device; or the first network device generating the indication information.
- the indication information is information generated by the first network device, and the method further includes:
- the first network device sends the indication information to the second network device.
- the sending, by the first network device, the indication information to the terminal device includes:
- the first network device sends downlink control information DCI to the terminal device, where the DCI includes the indication information.
- the method further includes:
- the first network device receives uplink data sent by the terminal device in the target time unit.
- the target time unit includes at least one of a subframe, a time slot, and a symbol.
- a method of transmitting data including:
- the second network device obtains the indication information, where the indication information is used by the terminal device to determine the first transmit power, where the first transmit power is the transmit power of the uplink data sent by the terminal device to the first network device in the target time unit.
- the second network device is a network device that sends downlink data to the terminal device;
- the second network device sends the indication information to the terminal device.
- the indication information is time division multiplexing mode information of the terminal device in the target time unit.
- the indication information includes a bit sequence
- the bit sequence includes at least one value
- the at least one value is used by the terminal device to determine at least one time The transmit power of the uplink data within the unit, the at least one time unit including the target time unit.
- the at least one time unit is periodic.
- the indication information further includes timing offset information and period information, where the timing offset information and the period information are used by the terminal device to determine that the at least one time unit is in a time domain.
- the indication information is used to indicate that the terminal device sends uplink data to the first network device according to the second transmit power in the target time unit, or the indication information is used to indicate The terminal device sends uplink data to the first network device according to the third transmit power in the target time unit, where the second transmit power is greater than the third transmit power.
- the second transmit power is a maximum transmit power that the terminal device can support.
- the acquiring, by the second network device, indication information includes:
- the second network device determines the indication information by negotiating with the first network device; or the second network device receives the indication information sent by the first network device; or the second The network device generates the indication information.
- the indication information is information generated by the second network device, and the method further includes:
- the second network device sends the indication information to the first network device.
- the method further includes:
- the second network device sends downlink data to the terminal device in the target time unit.
- the target time unit includes at least one of a subframe, a time slot, and a symbol.
- a terminal device including:
- a transceiver unit configured to receive indication information, where the indication information is used by the terminal device to determine a first transmit power of uplink data in a target time unit;
- a processing unit configured to determine the first transmit power according to the indication information
- the transceiver unit is further configured to send uplink data to the first network device according to the first transmit power in the target time unit.
- a network device including:
- An acquiring module configured to obtain indication information, where the indication information is used by the terminal device to determine a first transmit power, where the first transmit power is a transmit power that the terminal device sends uplink data to the network device in a target time unit;
- transceiver module configured to send the indication information to the terminal device.
- a network device including:
- An acquiring module configured to obtain indication information, where the indication information is used by the terminal device to determine a first transmit power, where the first transmit power is a transmit power of the uplink data sent by the terminal device to the first network device in the target time unit,
- the network device is a network device that sends downlink data to the terminal device;
- the transceiver module sends the indication information to the terminal device.
- a terminal device including:
- a transceiver configured to receive indication information, where the indication information is used by the terminal device to determine a first transmit power of uplink data in a target time unit;
- a processor configured to determine the first transmit power according to the indication information
- the transceiver is further configured to send uplink data to the first network device according to the first transmit power in the target time unit.
- a network device including:
- a processor configured to obtain indication information, where the indication information is used by the terminal device to determine a first transmit power, where the first transmit power is a transmit power of the uplink data sent by the terminal device to the network device in the target time unit;
- a transceiver configured to send the indication information to the terminal device.
- a network device including:
- a processor configured to indicate information, where the indication information is used by the terminal device to determine a first transmit power, where the first transmit power is a transmit power of the uplink data sent by the terminal device to the first network device in the target time unit, where
- the network device is a network device that sends downlink data to the terminal device;
- the transceiver sends the indication information to the terminal device.
- a computer readable medium for storing a computer program comprising instructions for performing the method embodiment of the first aspect or the second or third aspect described above.
- a computer chip comprising: an input interface, an output interface, at least one processor, and a memory, wherein the processor is configured to execute code in the memory, when the code is executed,
- the processor may implement the various processes performed by the terminal device in the method for transmitting data in the first aspect and various implementations described above.
- a computer chip includes: an input interface, an output interface, at least one processor, and a memory, wherein the processor is configured to execute code in the memory, when the code is executed,
- the processor may implement the various processes performed by the network device in the method for transmitting data of the second aspect or the third aspect described above.
- a communication system including the aforementioned network device, and the foregoing terminal device.
- FIG. 2 is a schematic flowchart of a method for transmitting data according to an embodiment of the present invention.
- FIG. 3 is a schematic block diagram of a terminal device according to an embodiment of the present invention.
- FIG. 4 is another schematic block diagram of a terminal device according to an embodiment of the present invention.
- FIG. 5 is a schematic block diagram of a network device according to an embodiment of the present invention.
- FIG. 6 is another schematic block diagram of a network device according to an embodiment of the present invention.
- FIG. 1 is a schematic diagram of an application scenario according to an embodiment of the present invention.
- communication system 100 can include terminal device 110 and network device 120.
- Network device 120 can communicate with terminal device 110 over an air interface.
- Multi-service transmission is supported between the terminal device 110 and the network device 120.
- the embodiment of the present invention is only exemplified by the communication system 100, but the embodiment of the present invention is not limited thereto. That is, the technical solution of the embodiment of the present invention can be applied to various communication systems, for example, a Global System of Mobile communication (GSM) system, a Code Division Multiple Access (CDMA) system, and a broadband. Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, LTE Time Division Duplex (TDD) General Mobile communication system (Universal Mobile Telecommunication System, UMTS) and the like.
- 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
- TDD Time Division Duplex
- Universal Mobile Telecommunication System Universal Mobile Telecommunication System
- the present invention describes various embodiments in connection with network devices and terminal devices.
- the network device 120 may refer to any entity on the network side that is used to send or receive signals. For example, it may be a device communication of a machine type communication (MTC), a base station (BTS) in GSM or CDMA, a base station (NodeB) in WCDMA, an evolved base station (Evolutional Node B, eNB or eNodeB in LTE). ), base station equipment in a 5G network, and the like.
- MTC machine type communication
- BTS base station
- NodeB base station
- Evolutional Node B eNB or eNodeB in LTE
- 5G network and the like.
- the terminal device 110 can be any terminal device. Specifically, the terminal device 110 can communicate with one or more core networks (Core Network) via a radio access network (RAN), and can also be referred to as an access terminal, a user equipment (User Equipment, UE), Subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device.
- RAN radio access network
- UE user equipment
- Subscriber unit Subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device.
- it can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), and a wireless communication function.
- LTE-NR dual connection (Dual Connection (DC) transmission data can be supported by band combination to improve system throughput.
- DC Direct Connection
- the uplink signals of these carriers may interfere with the downlink received signals of some carriers, which reduces the success rate of data transmission.
- carrier F1 is operating in the low frequency band and carrier F2 is operating in the high frequency band
- three different types of mutual interference may exist:
- carrier F1 and carrier F2 are both uplink carriers, and the frequency of a certain order intermodulation (IM) of carrier F1 and carrier F2 overlaps or partially overlaps with the downlink signal frequency of a certain carrier F3. .
- carriers F1 and F2 constitute interference to F3.
- F3 may be one of the carriers F1 or F2, or another carrier different from F1/F2 (in this case, the terminal may work on more than two carriers at the same time).
- the terminal device is configured with bandwidth at the same time (Band) 1 and Band7 LTE carrier, NR carrier (3400-3800MHz), if the uplink (UL) of band 7 and the UL of NR transmit simultaneously, the 5th-order intermodulation effect generated by it will affect the downlink (DL) receiver of band 1. Sensitivity.
- the second type of mutual interference is: the carrier F1 is an uplink carrier, the carrier F2 is a downlink carrier, and the frequency multiplication of the carrier F1 overlaps or partially overlaps with the frequency of the carrier F2. Then carrier F1 constitutes harmonic interference to carrier F2.
- LTE Band 3 has a bandwidth of 1710-1785 MHz and a second-order harmonic range of 3420-3570 MHz. If a terminal performs LTE uplink transmission on band 3 and DL reception on NR band 3400-3800 MHz at the same time, the second-order harmonic may interfere with the sensitivity of the NR DL receiver.
- carrier F1 is a downlink carrier
- carrier F2 is an uplink carrier
- the frequency multiplication of carrier F1 overlaps or partially overlaps with the frequency of carrier F2.
- carrier F2 forms a harmonic mixing interference with F1.
- LTE Band 3 has a downstream 1805-1880 MHz with a second-order harmonic range of 3610-3760 MHz. If a terminal performs LTE downlink reception on band 3 and uplink transmission on NR band 3400-3800 MHz, the second-order harmonic intermodulation of NR may interfere with the sensitivity of LTE DL receiver.
- the estimation of the severity of the self-interference problem is based on the assumption of 23 dbm (the maximum transmission power of the terminal), when the terminal device does not work at the maximum transmission power.
- the corresponding self-interference is reduced accordingly (under the same bandwidth assumption), the transmission power of the interfering party is reduced, and the interference level can be alleviated to some extent.
- a method for transmitting data is provided.
- the success rate of data transmission can be effectively improved.
- FIG. 2 is a schematic flowchart of a method for transmitting data according to an embodiment of the present invention.
- the method includes:
- the network device sends indication information to the terminal device, where the indication information is used by the terminal device to determine the first transmit power of the uplink data in the target time unit.
- the terminal device determines, according to the indication information, a first transmit power.
- the terminal device sends uplink data according to the first transmit power in the target time unit.
- the terminal device receives the indication information; the terminal device determines the first transmit power according to the indication information; the terminal device is in the target time unit according to the first transmit power The first network device sends uplink data.
- the terminal device in the embodiment of the present invention is a terminal device that may have self-interference.
- a network device for receiving uplink data sent by the terminal device is hereinafter referred to as a first network device, and a network device for transmitting downlink data to the terminal device is referred to as a second network device.
- the terminal device can receive the downlink data sent by the second network device while transmitting the uplink data to the first network device.
- the uplink data generates self-interference for receiving the downlink data, and reduces demodulation of the downlink data. performance.
- the first channel has self-interference.
- the terminal device in the embodiment of the present invention by using the indication information sent by the network device, causes the terminal device to determine the first transmit power for transmitting the uplink data according to the self-interference condition in the target time unit, which can effectively improve Demodulation performance of downlink data, thereby improving the success rate of data transmission.
- the first transmit power in the embodiment of the present invention may be the maximum transmit power (second transmit power) that the terminal device can support, or the limited transmit power (third transmit power) of the terminal device.
- the second transmit power is greater than the third transmit power.
- the third transmit power may be any transmit power less than the second transmit power.
- the terminal device may determine, according to the anti-interference capability of the terminal device, a limited maximum transmit power (ie, a third transmit power), where the limited transmit maximum transmit power is smaller than a maximum transmit power that the terminal device can support ( That is, the second transmission power).
- the anti-interference capability of the terminal device may be the transmission power determined by the terminal device according to the internal interference level of the terminal device.
- the terminal device transmits uplink data below the limited maximum transmission power, and the interference level to the receiving end can be reduced to a level that the receiving end can tolerate. That is to say, when the terminal device simultaneously transmits and receives data, the transmission power should be below the limited maximum transmission power, thereby ensuring that the terminal device can correctly demodulate the received data.
- the high-order modulation and coding strategy MCS
- MCS modulation and coding strategy
- the indication information in the embodiment of the present invention may be the information determined by the first network device or the second network device, or may be the first network device and the second network device.
- the indication information in the embodiment of the present invention may be the information determined by the first network device or the second network device, or may be the first network device and the second network device.
- the embodiment of the invention is not specifically limited.
- the indication information is interaction information between the first network device and the second network device. That is, the first network device and the second network device need to interact with the indication information. In other words, if the indication information is determined by the first network device, the first network device needs to send the indication information to the second network device; if the indication information is determined by the second network device, then the The second network device needs to send the indication information to the first network device.
- the indication information is time division multiplexing mode information of the terminal device in the target time unit. That is, the terminal device can determine the first transmit power according to the time division multiplexing information.
- the terminal device receives time-division multiplexing mode information of the terminal device in the target time unit sent by the first network device or the second network device, where the second network device sends downlink data to the terminal device.
- a network device the terminal device determines the first transmit power according to the time division multiplexing mode information.
- the first transmit power is smaller than a maximum transmit power that the terminal device can support, and the target time unit is only used to send uplink data, the first transmit The power is the maximum transmit power that the terminal device can support.
- the indication information includes a bit sequence, the bit sequence includes at least one value, and the at least one value is used by the terminal device to determine transmit power of uplink data in at least one time unit, where the at least one time unit includes the Target time unit.
- the target time unit includes at least one of a subframe, a time slot, and a symbol.
- the terminal device may determine, according to the indication information, which time units in the at least one time unit can send uplink data according to normal uplink power, and which time units send uplink data according to the limited uplink power.
- the at least one value described above is a bit sequence in which each bit represents a time unit.
- each bit represents a time unit.
- the corresponding bit When the corresponding bit is set to 1, it indicates that the time unit sends uplink data according to the limited uplink power, otherwise the normal power is transmitted. In other words, when the corresponding bit is set to 0, it indicates that the time unit sends uplink data according to the limited uplink power, otherwise normal power is transmitted.
- At least one value in the embodiment of the present invention may be used to indicate only one of the at least one time unit, and may also be used to indicate a plurality of the at least one time unit.
- the at least one time unit described above may be periodic.
- the indication information further includes timing offset information and period information, wherein the timing offset information and the period information are used by the terminal device to determine a starting position and/or an ending position of the at least one time unit in the time domain.
- the network device may directly indicate on which time units the terminal device transmits uplink data according to two transmit powers, and on which time units transmit uplink data according to the third transmit power.
- the indication information is used to indicate that the terminal device sends the uplink data to the first network device according to the second transmit power in the target time unit, or the indication information is used to indicate that the terminal device is in the target time unit. And transmitting uplink data to the first network device according to the third transmit power, where the second transmit power is greater than the third transmit power.
- the second transmit power may be a maximum transmit power that the terminal device can support.
- the terminal device may obtain the indication information by receiving the downlink control information DCI sent by the first network device, for example, the DCI includes the indication information.
- the network device determines the transmission power for transmitting the uplink data by sending the indication information to the terminal device. That is to say, the foregoing indication information is only an exemplary description of the embodiment of the present invention, and the embodiment of the present invention is not limited thereto.
- FIG. 3 is a schematic block diagram of a terminal device 300 according to an embodiment of the present invention.
- the terminal device 300 includes:
- the transceiver unit 310 is configured to receive indication information, where the indication information is used by the terminal device to determine a first transmit power of the uplink data in the target time unit;
- the processing unit 320 is configured to determine the first transmit power according to the indication information
- the transceiver unit 310 is further configured to send uplink data to the first network device according to the first transmit power in the target time unit.
- the transceiver unit 310 is specifically configured to:
- Unit 320 is specifically configured to:
- the first transmit power is determined according to the time division multiplexing mode information.
- the first transmit power is less than the maximum transmit power that the terminal device can support.
- the first transmit power is the maximum transmit power that the terminal device can support.
- the indication information includes a bit sequence, the bit sequence includes at least one value, where the at least one value is used by the terminal device to determine transmit power of uplink data in at least one time unit, where the at least one time unit includes the target time unit .
- the at least one time unit is periodic.
- the indication information further includes timing offset information and period information, where the period offset information and the period information are used by the terminal device to determine a starting position and/or an ending position of the at least one time unit in the time domain.
- the indication information is used to indicate that the terminal device sends the uplink data to the first network device according to the second transmit power in the target time unit, or the indication information is used to indicate that the terminal device is in the target time unit. And transmitting uplink data to the first network device according to the third transmit power, where the second transmit power is greater than the third transmit power.
- the second transmit power is a maximum transmit power that the terminal device can support.
- the terminal device receives downlink control information DCI sent by the first network device, where the DCI includes the indication information.
- the target time unit includes at least one of a subframe, a time slot, and a symbol.
- the indication information is information determined by the first network device or the second network device, or the indication information is that the first network device negotiates the determined information with the second network device, where the second network device is A network device that transmits downlink data to the terminal device.
- the indication information is interaction information between the first network device and the second network device.
- the transceiving unit 310 can be implemented by a transceiver
- the processing unit 320 can be implemented by a processor.
- the terminal device 400 may include a processor 410, a transceiver 420, and a memory 430.
- the memory 430 can be used to store indication information, and can also be used to store code, instructions, and the like executed by the processor 410.
- the various components in the terminal device 400 are connected by a bus system, wherein the bus system includes a power bus, a control bus, and a status signal bus in addition to the data bus.
- the terminal device 400 shown in FIG. 4 can implement the various processes implemented by the terminal device in the foregoing method embodiment of FIG. 2. To avoid repetition, details are not described herein again.
- FIG. 5 is a schematic block diagram of a network device 500 according to an embodiment of the present invention.
- the network device 500 includes:
- the obtaining module 510 is configured to obtain indication information, where the indication information is used by the terminal device to determine a first transmit power, where the first transmit power is a transmit power of the uplink data sent by the terminal device to the network device in the target time unit;
- the transceiver module 520 is configured to send the indication information to the terminal device.
- the indication information is time division multiplexing mode information of the terminal device in the target time unit.
- the indication information includes a bit sequence, the bit sequence includes at least one value, where the at least one value is used by the terminal device to determine transmit power of uplink data in at least one time unit, where the at least one time unit includes the target time unit .
- the at least one time unit is periodic.
- the indication information further includes timing offset information and period information, where the period offset information and the period information are used by the terminal device to determine a starting position and/or an ending position of the at least one time unit in the time domain.
- the indication information is used to indicate that the terminal device sends uplink data to the network device according to the second transmit power in the target time unit, or the indication information is used to indicate that the terminal device follows the target time unit.
- the three transmit powers send uplink data to the network device, and the second transmit power is greater than the third transmit power.
- the second transmit power is a maximum transmit power that the terminal device can support.
- the acquiring module 510 is specifically configured to: determine, by negotiating with the second network device, the second network device is a network device that sends downlink data to the terminal device in the target time unit; or, receive The indication information sent by the second network device; or generating the indication information.
- the indication information is information generated by the network device, and the transceiver module 520 is further configured to send the indication information to the second network device.
- the transceiver module 520 is specifically configured to: send downlink control information DCI to the terminal device, where the DCI includes the indication information.
- the transceiver module 520 is further configured to: receive uplink data sent by the terminal device in the target time unit.
- the target time unit includes at least one of a subframe, a time slot, and a symbol.
- the network device 500 includes:
- the obtaining module 500 is configured to obtain indication information, where the indication information is used by the terminal device to determine a first transmit power, where the first transmit power is a transmit power of the uplink data sent by the terminal device to the first network device in the target time unit, the network
- the device is a network device that sends downlink data to the terminal device;
- the transceiver module 520 sends the indication information to the terminal device.
- the indication information is time division multiplexing mode information of the terminal device in the target time unit.
- the indication information includes a bit sequence, the bit sequence includes at least one value, where the at least one value is used by the terminal device to determine transmit power of uplink data in at least one time unit, where the at least one time unit includes the target time unit .
- the at least one time unit is periodic.
- the indication information further includes timing offset information and period information, where the period offset information and the period information are used by the terminal device to determine a starting position and/or an ending position of the at least one time unit in the time domain.
- the indication information is used to indicate that the terminal device sends the uplink data to the first network device according to the second transmit power in the target time unit, or the indication information is used to indicate that the terminal device is in the target time unit. And transmitting uplink data to the first network device according to the third transmit power, where the second transmit power is greater than the third transmit power.
- the second transmit power is a maximum transmit power that the terminal device can support.
- the obtaining module 510 is specifically configured to: determine the indication information by negotiating with the first network device; or receive the indication information sent by the first network device; or generate the indication information.
- the indication information is information generated by the network device, and the transceiver module 520 is further configured to: send the indication information to the first network device.
- the transceiver module 520 is further configured to: send downlink data to the terminal device in the target time unit.
- the target time unit includes at least one of a subframe, a time slot, and a symbol.
- network device 600 can include a processor 610, a transceiver 620, and a memory 630.
- the memory 630 can be used to store the indication information, and can also be used to store the processor 610. Codes, instructions, etc. that are executed.
- the various components in the network device 600 are connected by a bus system, wherein the bus system includes a power bus, a control bus, and a status signal bus in addition to the data bus.
- the network device 600 shown in FIG. 6 can implement the various processes implemented by the network device in the foregoing method embodiments of FIG. 2 to FIG. 4, and details are not described herein again. That is to say, the method embodiment in the embodiment of the present invention may be applied to a processor or implemented by a processor.
- each step of the method embodiment in the embodiment of the present invention may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software. More specifically, the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
- the software modules can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method.
- the processor may be an integrated circuit chip with signal processing capability, and the methods, steps, and logic blocks disclosed in the embodiments of the present invention may be implemented or executed.
- the above processor may be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or Other programmable logic devices, transistor logic devices, discrete hardware components, and the like.
- the general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
- the memory may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
- the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (ROMM), an erasable programmable read only memory (erasable PROM, EPROM), or an electrical Erase programmable EPROM (EEPROM) or flash memory.
- the volatile memory can be a random access memory (RAM) that acts as an external cache.
- the memory in the embodiment of the present invention may also be a static random access memory (SRAM), a dynamic random access memory (DRAM), or a dynamic random access memory (DRAM).
- SDRAM Synchronous dynamic random access memory
- DDR double data rate synchronous dynamic random access memory
- ESDRAM enhanced synchronous dynamic random access memory
- DR RAM direct memory bus
- first terminal device and second terminal device may be employed in the embodiments of the present invention, but these terminal devices should not be limited to these terms. These terms are only used to distinguish types of cell groups from one another.
- the words “at time” as used herein may be interpreted as “if” or “if” or “when” or “response” Determine “or” in response to the test.
- the phrase “if determined” or “if detected (conditions or events stated)” can be interpreted as “when determined” or “in response to determination” or “when detected (stated condition or event) "Time” or “in response to a test (condition or event stated)”.
- the disclosed systems, devices, and methods may be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of the unit is only a logical function division.
- multiple units or components may be combined.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
- 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, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present invention.
- each functional unit in the embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the technical solution of the embodiments of the present invention may be embodied in the form of a software product stored in a storage medium.
- the instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method of the embodiments of the present invention.
- the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory, a random access memory, a magnetic disk, or an optical disk.
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Abstract
Description
Claims (70)
- 一种传输数据的方法,其特征在于,包括:终端设备接收指示信息,所述指示信息用于所述终端设备确定目标时间单元内上行数据的第一发射功率;所述终端设备根据所述指示信息,确定所述第一发射功率;所述终端设备在所述目标时间单元内,按照所述第一发射功率向第一网络设备发送上行数据。
- 根据权利要求1所述的方法,其特征在于,所述终端设备接收指示信息,包括:所述终端设备接收所述第一网络设备或者第二网络设备发送的所述终端设备在所述目标时间单元内的时分复用模式信息,所述第二网络设备为向所述终端设备发送下行数据的网络设备;其中,所述终端设备根据所述指示信息,确定所述第一发射功率,包括:所述终端设备根据所述时分复用模式信息,确定所述第一发射功率。
- 根据权利要求2所述的方法,其特征在于,所述目标时间单元同时用于接收下行数据和发送上行数据时,所述第一发射功率小于所述终端设备能够支持的最大发射功率,所述目标时间单元只用于发送上行数据时,所述第一发射功率为所述终端设备能够支持的最大发射功率。
- 根据权利要求1所述的方法,其特征在于,所述指示信息包括比特序列,所述比特序列包括至少一个数值,所述至少一个数值用于所述终端设备确定至少一个时间单元内上行数据的发射功率,所述至少一个时间单元包括所述目标时间单元。
- 根据权利要求4所述的方法,其特征在于,所述至少一个时间单元是周期性的。
- 根据权利要求5所述的方法,其特征在于,所述指示信息还包括定时偏置信息和周期信息,所述定时偏置信息和所述周期信息用于所述终端设备确定所述至少一个时间单元在时域上的起始位置和/或结束位置。
- 根据权利要求1所述的方法,其特征在于,所述指示信息用于指示终端设备在所述目标时间单元内按照第二发射功率向所述第一网络设备发送上行数据,或者,所述指示信息用于指示所述终端设备在所述目标时间单元 内按照第三发射功率向所述第一网络设备发送上行数据,所述第二发射功率大于所述第三发射功率。
- 根据权利要求7所述的方法,其特征在于,所述第二发射功率为所述终端设备能够支持的最大发射功率。
- 根据权利要求7所述的方法,其特征在于,所述终端设备接收指示信息,包括:所述终端设备接收所述第一网络设备发送的下行控制信息DCI,所述DCI包括所述指示信息。
- 根据权利要求1至9中任一项所述的方法,其特征在于,所述目标时间单元包括子帧、时隙和符号中的至少一项。
- 根据权利要求1至10中任一项所述的方法,其特征在于,所述指示信息为所述第一网络设备或第二网络设备确定的信息,或者,所述指示信息为所述第一网络设备和所述第二网络设备协商确定的信息,所述第二网络设备为向所述终端设备发送下行数据的网络设备。
- 根据权利要求11所述的方法,其特征在于,所述指示信息为所述第一网络设备和所述第二网络设备之间的交互信息。
- 一种传输数据的方法,其特征在于,包括:第一网络设备获取指示信息,所述指示信息用于终端设备确定第一发射功率,所述第一发射功率为所述终端设备在目标时间单元内向所述第一网络设备发送上行数据的发射功率;所述第一网络设备向所述终端设备发送所述指示信息。
- 根据权利要求13所述的方法,其特征在于,所述指示信息为所述终端设备在所述目标时间单元内的时分复用模式信息。
- 根据权利要求13所述的方法,其特征在于,所述指示信息包括比特序列,所述比特序列包括至少一个数值,所述至少一个数值用于所述终端设备确定至少一个时间单元内上行数据的发射功率,所述至少一个时间单元包括所述目标时间单元。
- 根据权利要求15所述的方法,其特征在于,所述至少一个时间单元是周期性的。
- 根据权利要求16所述的方法,其特征在于,所述指示信息还包括定时偏置信息和周期信息,所述定时偏置信息和所述周期信息用于所述终端设 备确定所述至少一个时间单元在时域上的起始位置和/或结束位置。
- 根据权利要求13所述的方法,其特征在于,所述指示信息用于指示终端设备在所述目标时间单元内按照第二发射功率向所述第一网络设备发送上行数据,或者,所述指示信息用于指示所述终端设备在所述目标时间单元内按照第三发射功率向所述第一网络设备发送上行数据,所述第二发射功率大于所述第三发射功率。
- 根据权利要求18所述的方法,其特征在于,所述第二发射功率为所述终端设备能够支持的最大发射功率。
- 根据权利要求13至19中任一项所述的方法,其特征在于,所述第一网络设备获取指示信息,包括:所述第一网络设备通过与第二网络设备协商,确定所述指示信息,所述第二网络设备为在所述目标时间单元内向所述终端设备发送下行数据的网络设备;或者所述第一网络设备接收所述第二网络设备发送的所述指示信息;或者所述第一网络设备生成所述指示信息。
- 根据权利要求20所述的方法,其特征在于,所述指示信息为所述第一网络设备生成的信息;所述方法还包括:所述第一网络设备向所述第二网络设备发送所述指示信息。
- 根据权利要求13至21中任一项所述的方法,其特征在于,所述第一网络设备向所述终端设备发送所述指示信息,包括:所述第一网络设备向所述终端设备发送下行控制信息DCI,所述DCI包括所述指示信息。
- 根据权利要求13至22中任一项所述的方法,其特征在于,所述方法还包括:所述第一网络设备在所述目标时间单元内接收所述终端设备发送的上行数据。
- 根据权利要求13至23中任一项所述的方法,其特征在于,所述目标时间单元包括子帧、时隙和符号中的至少一项。
- 一种传输数据的方法,其特征在于,包括:第二网络设备获取指示信息,所述指示信息用于终端设备确定第一发射 功率,所述第一发射功率为所述终端设备在目标时间单元内向第一网络设备发送上行数据的发射功率,所述第二网络设备为向所述终端设备发送下行数据的网络设备;所述第二网络设备向所述终端设备发送所述指示信息。
- 根据权利要求25所述的方法,其特征在于,所述指示信息为所述终端设备在所述目标时间单元内的时分复用模式信息。
- 根据权利要求25所述的方法,其特征在于,所述指示信息包括比特序列,所述比特序列包括至少一个数值,所述至少一个数值用于所述终端设备确定至少一个时间单元内上行数据的发射功率,所述至少一个时间单元包括所述目标时间单元。
- 根据权利要求27所述的方法,其特征在于,所述至少一个时间单元是周期性的。
- 根据权利要求28所述的方法,其特征在于,所述指示信息还包括定时偏置信息和周期信息,所述定时偏置信息和所述周期信息用于所述终端设备确定所述至少一个时间单元在时域上的起始位置和/或结束位置。
- 根据权利要求25所述的方法,其特征在于,所述指示信息用于指示终端设备在所述目标时间单元内按照第二发射功率向所述第一网络设备发送上行数据,或者,所述指示信息用于指示所述终端设备在所述目标时间单元内按照第三发射功率向所述第一网络设备发送上行数据,所述第二发射功率大于所述第三发射功率。
- 根据权利要求30所述的方法,其特征在于,所述第二发射功率为所述终端设备能够支持的最大发射功率。
- 根据权利要求25至31中任一项所述的方法,其特征在于,所述第二网络设备获取指示信息,包括:所述第二网络设备通过与所述第一网络设备协商,确定所述指示信息;或者所述第二网络设备接收所述第一网络设备发送的所述指示信息;或者所述第二网络设备生成所述指示信息。
- 根据权利要求32所述的方法,其特征在于,所述指示信息为所述第二网络设备生成的信息;所述方法还包括:所述第二网络设备向所述第一网络设备发送所述指示信息。
- 根据权利要求25至33中任一项所述的方法,其特征在于,所述方法还包括:所述第二网络设备在所述目标时间单元内向所述终端设备发送下行数据。
- 根据权利要求25至34中任一项所述的方法,其特征在于,所述目标时间单元包括子帧、时隙和符号中的至少一项。
- 一种终端设备,其特征在于,包括:收发单元,用于接收指示信息,所述指示信息用于所述终端设备确定目标时间单元内上行数据的第一发射功率;处理单元,用于根据所述指示信息,确定所述第一发射功率;所述收发单元还用于在所述目标时间单元内,按照所述第一发射功率向第一网络设备发送上行数据。
- 根据权利要求36所述的终端设备,其特征在于,所述收发单元具体用于:接收所述第一网络设备或者第二网络设备发送的所述终端设备在所述目标时间单元内的时分复用模式信息,所述第二网络设备为向所述终端设备发送下行数据的网络设备;其中,所述处理单元具体用于:根据所述时分复用模式信息,确定所述第一发射功率。
- 根据权利要求37所述的终端设备,其特征在于,所述目标时间单元同时用于接收下行数据和发送上行数据时,所述第一发射功率小于所述终端设备能够支持的最大发射功率,所述目标时间单元只用于发送上行数据时,所述第一发射功率为所述终端设备能够支持的最大发射功率。
- 根据权利要求38所述的终端设备,其特征在于,所述指示信息包括比特序列,所述比特序列包括至少一个数值,所述至少一个数值用于所述终端设备确定至少一个时间单元内上行数据的发射功率,所述至少一个时间单元包括所述目标时间单元。
- 根据权利要求39所述的终端设备,其特征在于,所述至少一个时间单元是周期性的。
- 根据权利要求40所述的终端设备,其特征在于,所述指示信息还包 括定时偏置信息和周期信息,所述定时偏置信息和所述周期信息用于所述终端设备确定所述至少一个时间单元在时域上的起始位置和/或结束位置。
- 根据权利要求36所述的终端设备,其特征在于,所述指示信息用于指示终端设备在所述目标时间单元内按照第二发射功率向所述第一网络设备发送上行数据,或者,所述指示信息用于指示所述终端设备在所述目标时间单元内按照第三发射功率向所述第一网络设备发送上行数据,所述第二发射功率大于所述第三发射功率。
- 根据权利要求42所述的终端设备,其特征在于,所述第二发射功率为所述终端设备能够支持的最大发射功率。
- 根据权利要求42所述的终端设备,其特征在于,所述终端设备接收指示信息,包括:所述终端设备接收所述第一网络设备发送的下行控制信息DCI,所述DCI包括所述指示信息。
- 根据权利要求36至44中任一项所述的终端设备,其特征在于,所述目标时间单元包括子帧、时隙和符号中的至少一项。
- 根据权利要求36至45中任一项所述的终端设备,其特征在于,所述指示信息为所述第一网络设备或第二网络设备确定的信息,或者,所述指示信息为所述第一网络设备和所述第二网络设备协商确定的信息,所述第二网络设备为向所述终端设备发送下行数据的网络设备。
- 根据权利要求46所述的终端设备,其特征在于,所述指示信息为所述第一网络设备和所述第二网络设备之间的交互信息。
- 一种网络设备,其特征在于,包括:获取模块,用于获取指示信息,所述指示信息用于终端设备确定第一发射功率,所述第一发射功率为所述终端设备在目标时间单元内向所述网络设备发送上行数据的发射功率;收发模块,用于向所述终端设备发送所述指示信息。
- 根据权利要求48所述的网络设备,其特征在于,所述指示信息为所述终端设备在所述目标时间单元内的时分复用模式信息。
- 根据权利要求48所述的网络设备,其特征在于,所述指示信息包括比特序列,所述比特序列包括至少一个数值,所述至少一个数值用于所述终端设备确定至少一个时间单元内上行数据的发射功率,所述至少一个时间单 元包括所述目标时间单元。
- 根据权利要求50所述的网络设备,其特征在于,所述至少一个时间单元是周期性的。
- 根据权利要求51所述的网络设备,其特征在于,所述指示信息还包括定时偏置信息和周期信息,所述定时偏置信息和所述周期信息用于所述终端设备确定所述至少一个时间单元在时域上的起始位置和/或结束位置。
- 根据权利要求48所述的网络设备,其特征在于,所述指示信息用于指示终端设备在所述目标时间单元内按照第二发射功率向所述网络设备发送上行数据,或者,所述指示信息用于指示所述终端设备在所述目标时间单元内按照第三发射功率向所述网络设备发送上行数据,所述第二发射功率大于所述第三发射功率。
- 根据权利要求53所述的网络设备,其特征在于,所述第二发射功率为所述终端设备能够支持的最大发射功率。
- 根据权利要求48至54中任一项所述的网络设备,其特征在于,所述获取模块具体用于:通过与第二网络设备协商,确定所述指示信息,所述第二网络设备为在所述目标时间单元内向所述终端设备发送下行数据的网络设备;或者接收所述第二网络设备发送的所述指示信息;或者生成所述指示信息。
- 根据权利要求55所述的网络设备,其特征在于,所述指示信息为所述网络设备生成的信息;所述收发模块还用于向所述第二网络设备发送所述指示信息。
- 根据权利要求48至56中任一项所述的网络设备,其特征在于,所述收发模块具体用于:向所述终端设备发送下行控制信息DCI,所述DCI包括所述指示信息。
- 根据权利要求48至57中任一项所述的网络设备,其特征在于,所述收发模块还用于:在所述目标时间单元内接收所述终端设备发送的上行数据。
- 根据权利要求48至58中任一项所述的网络设备,其特征在于,所述目标时间单元包括子帧、时隙和符号中的至少一项。
- 一种网络设备,其特征在于,包括:获取模块,用于获取指示信息,所述指示信息用于终端设备确定第一发射功率,所述第一发射功率为所述终端设备在目标时间单元内向第一网络设备发送上行数据的发射功率,所述网络设备为向所述终端设备发送下行数据的网络设备;收发模块,向所述终端设备发送所述指示信息。
- 根据权利要求60所述的网络设备,其特征在于,所述指示信息为所述终端设备在所述目标时间单元内的时分复用模式信息。
- 根据权利要求60所述的网络设备,其特征在于,所述指示信息包括比特序列,所述比特序列包括至少一个数值,所述至少一个数值用于所述终端设备确定至少一个时间单元内上行数据的发射功率,所述至少一个时间单元包括所述目标时间单元。
- 根据权利要求62所述的网络设备,其特征在于,所述至少一个时间单元是周期性的。
- 根据权利要求63所述的网络设备,其特征在于,所述指示信息还包括定时偏置信息和周期信息,所述定时偏置信息和所述周期信息用于所述终端设备确定所述至少一个时间单元在时域上的起始位置和/或结束位置。
- 根据权利要求60所述的网络设备,其特征在于,所述指示信息用于指示终端设备在所述目标时间单元内按照第二发射功率向所述第一网络设备发送上行数据,或者,所述指示信息用于指示所述终端设备在所述目标时间单元内按照第三发射功率向所述第一网络设备发送上行数据,所述第二发射功率大于所述第三发射功率。
- 根据权利要求65所述的网络设备,其特征在于,所述第二发射功率为所述终端设备能够支持的最大发射功率。
- 根据权利要求60至66中任一项所述的网络设备,其特征在于,所述获取模块具体用于:通过与所述第一网络设备协商,确定所述指示信息;或者接收所述第一网络设备发送的所述指示信息;或者生成所述指示信息。
- 根据权利要求67所述的网络设备,其特征在于,所述指示信息为所述网络设备生成的信息;所述收发模块还用于:向所述第一网络设备发送所述指示信息。
- 根据权利要求60至68中任一项所述的网络设备,其特征在于,所述收发模块还用于:在所述目标时间单元内向所述终端设备发送下行数据。
- 根据权利要求60至69中任一项所述的网络设备,其特征在于,所述目标时间单元包括子帧、时隙和符号中的至少一项。
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RU2020111524A RU2747215C1 (ru) | 2017-10-13 | 2017-10-13 | Способ передачи данных, оконечное устройство и сетевое устройство |
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CN201780093754.8A CN111034312A (zh) | 2017-10-13 | 2017-10-13 | 传输数据的方法、终端设备和网络设备 |
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CN202010456236.1A CN111642021B (zh) | 2017-10-13 | 2017-10-13 | 传输数据的方法、终端设备和网络设备 |
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CN115835296A (zh) * | 2022-11-23 | 2023-03-21 | 上海山源电子科技股份有限公司 | 一种针对5g网络的信息干扰处理方法、装置、设备及介质 |
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WO2019071576A1 (zh) * | 2017-10-13 | 2019-04-18 | Oppo广东移动通信有限公司 | 传输数据的方法、终端设备和网络设备 |
CN111226468B (zh) * | 2017-10-14 | 2024-03-08 | Oppo广东移动通信有限公司 | 传输数据的方法、终端设备和网络设备 |
CN115997400A (zh) * | 2022-11-22 | 2023-04-21 | 北京小米移动软件有限公司 | 一种传输能力信息的方法、装置及可读存储介质 |
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RU2747215C1 (ru) | 2021-04-29 |
CN111642021A (zh) | 2020-09-08 |
EP3648530A1 (en) | 2020-05-06 |
EP3648530A4 (en) | 2020-06-24 |
EP3648530B1 (en) | 2023-01-25 |
US20200336988A1 (en) | 2020-10-22 |
CN111642021B (zh) | 2022-05-20 |
AU2017435612A1 (en) | 2020-03-12 |
US11272458B2 (en) | 2022-03-08 |
SG11202001589QA (en) | 2020-03-30 |
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