WO2020133163A1 - 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
WO2020133163A1
WO2020133163A1 PCT/CN2018/124698 CN2018124698W WO2020133163A1 WO 2020133163 A1 WO2020133163 A1 WO 2020133163A1 CN 2018124698 W CN2018124698 W CN 2018124698W WO 2020133163 A1 WO2020133163 A1 WO 2020133163A1
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WIPO (PCT)
Prior art keywords
terminal device
frequency band
information
millimeter wave
measurement period
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PCT/CN2018/124698
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English (en)
Chinese (zh)
Inventor
张治�
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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 PCT/CN2018/124698 priority Critical patent/WO2020133163A1/fr
Priority to CN201880096756.7A priority patent/CN112586013B/zh
Publication of WO2020133163A1 publication Critical patent/WO2020133163A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/04—Error control

Definitions

  • Embodiments of the present application relate to the field of communications, and more specifically, to wireless communication methods, terminal devices, and network devices.
  • terminal devices supporting millimeter wave (frequency range 2, FR2)
  • frequency range 2 FR2
  • the terminal device supporting FR2 normally maintains a low-band wireless connection and a millimeter-wave band wireless connection at the same time during normal operation.
  • the baseband signal to be moved is mixed with an intermediate frequency signal, and moved to an intermediate frequency (the frequency at which the intermediate frequency signal is located); in the second step, the intermediate frequency signal containing the baseband signal is mixed, Move further to the target FR2 frequency.
  • the intermediate frequency signals of FR1 and FR2 will generate self-interference. How to measure the self-interference in the terminal equipment is an urgent problem to be solved.
  • Embodiments of the present application provide a wireless communication method, terminal device, and network device.
  • a terminal device that supports millimeter wave communication can measure its own self-interference strength, so that a self-interference device with less self-interference can be selected for receiving and/or sending millimeter waves
  • the first module of the signal is used to receive and send the millimeter wave signal and improve the communication quality.
  • a wireless communication method is provided, which is applied to a terminal device supporting millimeter wave communication, and the terminal device includes at least one first module for receiving and/or transmitting millimeter wave signals.
  • the method includes:
  • the terminal device sends first information, where the first information includes at least one of the following information:
  • a wireless communication method is provided, which is applied to a terminal device supporting millimeter wave communication, and the terminal device includes at least one first module for receiving and/or transmitting millimeter wave signals.
  • the method includes:
  • the network device receives the first information sent by the terminal device, and the first information includes at least one of the following information:
  • a terminal device for executing the method in the above-mentioned first aspect or various implementations thereof.
  • the terminal device includes a functional module for performing the method in the above-mentioned first aspect or various implementations thereof.
  • a network device for performing the method in the above-mentioned second aspect or various implementations thereof.
  • the network device includes a functional module for performing the method in the above-mentioned second aspect or various implementations 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 first aspect or its various implementations.
  • 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 second aspect or its implementations.
  • a chip is provided for implementing any one of the above-mentioned first to second aspects or the method in each implementation manner.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes any one of the above-mentioned first to second aspects or various implementations thereof method.
  • a computer-readable storage medium for storing a computer program that causes a computer to execute the method in any one of the first to second aspects or the various implementations thereof.
  • a computer program product including computer program instructions, the computer program instructions causing a computer to execute the method in any one of the first to second aspects or the various implementations thereof.
  • a computer program which, when run on a computer, causes the computer to execute the method in any one of the above first to second aspects or the respective implementations thereof.
  • a terminal device supporting millimeter wave communication can measure its own self-interference strength, so that it can select the first module for receiving and/or transmitting millimeter wave signals with less self-interference to receive and transmit millimeter wave signals. Send to improve communication quality.
  • 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 flowchart of another wireless communication method according to an embodiment of the present application.
  • FIG. 4 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 5 is a schematic block diagram of a network device according to an embodiment of the present application.
  • FIG. 6 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of a chip according to an embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a communication system according to an embodiment of the present application.
  • GSM Global System of Mobile
  • 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
  • NR new wireless
  • NR Universal Mobile Telecommunication System
  • UMTS Universal Mobile Telecommunication System
  • WLAN Wireless Local Area Areas
  • next-generation communication system or other communication systems etc.
  • 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 may be applied to a carrier aggregation (CA) scenario, a dual connectivity (DC) scenario, or a standalone (SA) configuration. Web scene.
  • CA carrier aggregation
  • DC dual connectivity
  • SA standalone
  • the embodiments of the present application do not limit the applied frequency spectrum.
  • the embodiments of the present application may 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 referred to as a communication terminal, terminal).
  • the network device 110 can provide communication coverage for a specific geographic area, and can communicate with terminal devices located within the coverage area.
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. This application The embodiment does not limit this.
  • the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
  • network entities such as a network controller and a mobility management entity, which is not limited in the embodiments 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 a communication function, 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 network controllers, mobility management entities, and other network entities, which are not limited in the embodiments of the present application.
  • the terminal device may also be called a user equipment (User Equipment (UE), access terminal, user unit, user station, mobile station, mobile station, remote Station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • UE User Equipment
  • the terminal equipment can be a station (STAION, ST) in the WLAN, it can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, and next-generation communication systems, such as terminal devices in NR networks or Terminal equipment in public land mobile network (PLMN) networks that will evolve in the future.
  • STAION, ST station
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device may also be a wearable device.
  • Wearable devices can also be referred to as wearable smart devices, which is a general term for applying wearable technology to intelligently design everyday wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothes or accessories. Wearable devices are not only a hardware device, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • Generalized wearable smart devices include full-featured, large-sized, complete or partial functions that do not rely on smartphones, such as smart watches or smart glasses, and only focus on a certain type of application functions, and need to cooperate with other devices such as smartphones Use, such as various smart bracelets and smart jewelry for sign monitoring.
  • the network device may be a device for communicating with a mobile device, and the network device may be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA, or a WCDMA
  • a base station (NodeB, NB) can also be an evolutionary base station (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 (gNB) in an NR network Or network equipment in the PLMN network that will evolve in the future.
  • the network device provides services for the cell, and the terminal device communicates with the network device through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell.
  • the cell may be a network device (for example The cell corresponding to the base station) can belong to a macro base station or a base station corresponding to a small cell (Small cell).
  • the small cell here may include: a metro cell, a micro cell, and a pico cell cells), femtocells, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • the self-interference signal can be classified into three types according to the source.
  • the first type of self-interfering signal may be harmonic or intermodulation interference generated by one or several transmitted signals of the communication system.
  • it may be harmonic or intermodulation interference generated by one or several transmitted signals of a cellular communication system.
  • This type of self-interfering signal is a more obvious type of interfering signal in cellular communication systems.
  • there is a frequency doubling relationship directly between the transmitted signal and the received signal inside the terminal device such as 2 octave frequency, 3 octave frequency, 4 octave frequency, etc.
  • There is the first type of self-interference signal Generally speaking, when the frequency-doubling relationship is less than or equal to 5, the first type of self-interference signal is more serious.
  • the second type of self-interference signal comes from the interference between different wireless communication modules inside the mobile phone, for example, the interference between wireless fidelity (WiFi) signal and cellular signal.
  • WiFi wireless fidelity
  • the third type of self-interference signal mainly originates from the electromagnetic waves generated by some active electronic devices inside the terminal.
  • the electromagnetic waves generated by devices such as the display screen of the terminal device, the memory reading operation of the terminal device, the camera and the electric motor of the terminal device.
  • the frequency range of the electromagnetic wave may be tens of MHz to hundreds of MHz.
  • the electromagnetic wave will receive the cellular frequency band Interference.
  • the terminal device supporting millimeter wave communication may be directed to at least one of the first type self-interference signal, the second type self-interference signal, and the third type self-interference signal when performing self-interference measurement. For example, when targeting the first-type self-interference signal, the terminal device performs self-interference measurement on the first-type self-interference signal.
  • FR2 millimeter wave (frequency 2) communication
  • 5G NR fifth generation mobile communication technology
  • terminal devices such as mobile phones
  • FR2 millimeter wave (frequency 2) communication
  • the frequency band of mobile phones supporting FR2 is relatively high, generally above 26GHz, such as 28GHz, 31GHz, or even 40GHz, its propagation attenuation is very serious.
  • the frequency band (frequency1, FR1) (signal with a frequency less than 7GHz) is connected to the network. In this way, mobile phones that support FR2 often maintain a low-band wireless connection and a millimeter-wave band wireless connection at the same time during normal operation.
  • the wireless signal is first generated on the baseband, and the signal generated from the baseband is mixed with a radio frequency signal of the same frequency as the target carrier, and the result is that the baseband signal is moved to the target carrier.
  • This is the basic principle of wireless signal mixing.
  • this principle is basically used to realize the movement of the baseband signal to the target carrier (radio frequency signal).
  • FR2 signals the problem is more complicated.
  • the carrier frequency of the FR2 signal is very high, above 26GHz, and the frequency of the baseband signal that generally carries information is between tens of MHz and hundreds of MHz.
  • the baseband signal corresponding to the FR2 is directly moved to the carrier above 26GHz by mixing
  • the first step is to mix the baseband signal to be moved with an intermediate frequency signal and move it to an intermediate frequency (the frequency at which the intermediate frequency signal is located);
  • the second step is to include
  • the intermediate frequency signal of the baseband signal is further mixed to the frequency of the target FR2 by mixing.
  • the core is the introduction of an intermediate frequency signal.
  • This intermediate frequency signal and the baseband signal and the target frequency of FR2 should not have a particularly large frequency difference. For millimeter wave signals above 26 GHz, this intermediate frequency signal is possible between 8 GHz and 12 GHz.
  • Intermediate frequency signals from 8GHz to 12GHz may have a frequency doubling relationship with many FR1 signals, which may cause self-interference.
  • the harmonics of the FR1 transmitted signal interfere with the FR2 intermediate frequency signal, so that the FR1 transmitted signal interferes with the FR2 baseband reception;
  • the harmonics of the FR1 received signal are mixed with the FR2 intermediate frequency transmit signal, so that the FR2 transmit signal interferes with the FR1 baseband reception.
  • the embodiments of the present application will deal with the problem of self-interference between the FR1 and FR2 signals due to the introduction of the FR2 intermediate frequency signal.
  • the terminal device supporting FR2 needs to use an array antenna to implement transmission and/or reception of millimeter wave signals.
  • Array antennas are implemented in the terminal by integrating a group of antennas with radio frequency (RF) front-end devices in a module.
  • RF radio frequency
  • a module contains 4 to 8 antennas and corresponding radio frequency Device.
  • multiple sets of array antennas are often installed in the mobile phone, and these array antenna groups are installed in different positions of the mobile phone. For example: install a group of array antennas on the top and bottom of the phone; or install a group of array antennas on each side of the phone.
  • these array antenna groups often work in a time division multiplexing mode (Testing/Management/Technical/Data Management, TDM) switching mode, that is, only one group of array antennas is in working state at the same time.
  • TDM time division multiplexing mode
  • the advantage of this arrangement is that it can avoid occlusion.
  • the position of the handshaking device may just cover an array antenna group.
  • the terminal can switch to another group of unshielded array antennas to send and receive FR2 signals.
  • the strength of the self-interference between the FR1 signal and the FR2 signal is related to the position of the module that transmits/receives the FR2 signal (including the front-end radio frequency device corresponding to the array antenna combination).
  • FR1 signals in different frequency bands may use different RF devices, and the positions of these RF devices are also different.
  • the relative position of the receiving/transmitting FR1/FR2 signal device/module may affect the strength of self-interference.
  • the FR2 intermediate frequency signal (8GHz to 12GHz)
  • its frequency is relatively high.
  • the placement of the mobile phone, the posture of the human hand to the mobile phone, etc. may constitute the strength of the self-interference. influences. Therefore, in order to more accurately assess the magnitude of the self-interference effect between the FR1 and FR2 signals, it is necessary to introduce the self-assessment/measurement process of the terminal equipment, and select the FR2 module that will generate relatively small self-interference as the FR2 signal. Transmit and receive.
  • the position of the FR2 module has the same effect on the self-interference in the above two directions.
  • select an FR2 module for the interference of the FR1 signal transmission on the FR2 received signal, select an FR2 module. If the smallest self-interference effect can be produced, then the same FR2 module for the interference of the FR2 signal transmission on the FR1 signal reception, It also produces minimal self-interference.
  • This property makes it only necessary to measure one of the two directions of self-interference during measurement, which can increase the scheduling flexibility of the network device (so that the network device can configure whether FR1 signal transmission or FR2 signal transmission according to the actual situation) , Second, it can also reduce the measurement time of the terminal.
  • 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 is applied to a terminal device that supports millimeter wave communication, and the terminal device includes at least one for receiving and/or Or the first module to send a millimeter wave signal, the method 200 may include the following:
  • the terminal device sends first information to the network device, where the first information includes at least one of the following information:
  • the first module integrates a set of antennas and radio frequency (RF) front-end devices for receiving and/or sending millimeter wave signals.
  • the first module usually contains 4 to 8 antennas and corresponding radio frequency devices .
  • the intermediate frequency used by the first module may be in the range of 8 GHz to 12 GHz, for example, 10 GHz.
  • the terminal device reports the IF frequency used by the first module, so that the network device can determine which FR1 frequency band will interfere with which FR2 frequency band according to the IF frequency reported by the terminal device.
  • the frequency band combination includes at least one of the following combinations:
  • n78 and n260 where n78 is the frequency band of FR1 and n260 is the frequency band of FR2.
  • the terminal device reports the number of the first module, which helps the network device configure appropriate measurement parameters.
  • the terminal device may also send the first information to the network device according to the requirements of the network device.
  • the network device requires the terminal device to report the frequency band combination that caused interference or the intermediate frequency used by the first module.
  • the terminal device may perform self-interference measurement based on the configuration of the network device.
  • the terminal device receives first configuration information sent by the network device, where the first configuration information is used to configure self-interference measurement parameters and perform self-interference measurement according to the self-interference measurement parameters.
  • the network device determines the first configuration information according to the first information, and sends the first configuration information to the terminal device.
  • the self-interference measurement parameter includes:
  • the starting position of each measurement period in the time domain includes a slot identifier and a symbol identifier where the starting position is located.
  • the time domain resource corresponding to each measurement period includes a time slot identifier and a symbol identifier in the time domain
  • the frequency domain resource corresponding to each measurement period includes a physical resource block (PRB) in the frequency domain )
  • PRB physical resource block
  • the number of the at least one measurement period is the same as the number of the at least one first module.
  • FR1 low frequency band
  • FR2 millimeter wave frequency band
  • the first category the interference of FR1 signal transmission to the reception of FR2 signal
  • the second category is the interference of the transmission of FR2 signal to the reception of FR1 signal.
  • self-interference measurement only one type of self-interference is needed. For example, measuring the interference of the transmission of the FR1 signal to the reception of the FR2 signal can identify the first module that generates the smallest self-interference. Therefore, the network device can indicate The terminal device needs to perform which type of self-interference.
  • the at least one first module of the terminal device measures the received signal during the at least one measurement period, respectively Power or intensity.
  • the terminal device measures the signal power from different first modules in the at least one measurement period or strength.
  • the receivers in the terminal device for receiving and/or transmitting low-band signals may respectively measure the signal power or strength from different first modules in the at least one measurement period.
  • the network device instructs the terminal device to measure the interference of the transmission of the FR1 signal on the reception of the FR2 signal.
  • the network device needs to configure the time domain resources and frequency resources on the corresponding FR1 frequency band and the transmission power to the terminal device.
  • the terminal device transmits a known signal at a given power on the time domain resources and frequency resources configured by the network device, such as sounding reference signals (Sounding Reference Signal, SRS).
  • SRS Sounding Reference Signal
  • the network device also needs to configure corresponding measurement period information to the terminal device, and multiple FR2 modules (modules for receiving and/or transmitting millimeter wave signals) of the terminal device alternately measure the received signal power/strength during these measurement periods.
  • the network device does not schedule the downlink signal of FR2 during these measurement periods, so the signal power received by the FR2 module (the above-mentioned first module) during these measurement periods is the interference power from the FR1 signal.
  • the terminal device can know which FR2 module brings the least self-interference.
  • the measurement period configured by the network device may be in units of symbols, so the network device needs to indicate the duration of each measurement period, for example, several symbols.
  • the network device may configure the number of measurement periods according to the number of FR2 modules reported by the terminal device.
  • a terminal device has 4 FR2 modules, then the network device can configure the terminal device with 4 measurement periods, and the terminal device uses different FR2 modules for measurement in each measurement period. It should be pointed out that for each measurement period of the FR2 module, a corresponding known transmission signal on the FR1 frequency band is required. Therefore, the network device can configure the measurement period and the transmission signal of FR1 in pairs. For example, the network device may configure self-interference measurement parameters shown in Table 1 below, so that the terminal device performs self-interference measurement based on this self-interference measurement parameter.
  • Measurement period 1 starting position and duration in the time domain Time domain and frequency resources of FR1 transmit signal
  • transmit power Measurement period 2 starting position and duration in the time domain Time domain and frequency resources of FR1 transmit signal
  • transmit power Measurement period 3 starting position and duration in the time domain Time domain and frequency resources of FR1 transmit signal
  • transmit power Measurement period 4 starting position and duration in the time domain Time domain and frequency resources of FR1 transmit signal
  • a slot number (slot number) and a symbol number (or logo) need to be specified.
  • the specific location of the time domain resource and frequency domain resource including the slot number (or logo) in the time domain, the symbol number (or logo) where it is located, and the frequency domain PRB number (or logo) and subcarrier (subcarrier) number (or logo).
  • the network device instructs the terminal device to measure the interference of the transmission of the FR2 signal on the reception of the FR1 signal.
  • the network device needs to configure the terminal device with multiple sets of time domain resources and frequency resources on the FR2 frequency band, and corresponding transmit power.
  • the terminal equipment alternately uses different FR2 modules (modules for receiving and/or sending millimeter wave signals) on the time domain resources and frequency resources configured by the network equipment to transmit known signals at a given power, such as SRS.
  • the network device also needs to configure corresponding measurement period information to the terminal, and the receiver of the corresponding frequency band of the FR1 of the terminal device sequentially measures the received signal power/strength during these measurement periods.
  • the network device does not schedule the downlink signal of FR1 during these measurement periods, so the signal power received by the receiver of FR1 during these measurement periods is the interference power from the FR2 signal. By comparing the interference power measured in different measurement periods, the terminal device can know which FR2 module brings the least self-interference.
  • the measurement period configured by the network device may be in units of symbols, so the network device needs to indicate the duration of each measurement period, for example, several symbols.
  • the network device may configure the number of measurement periods according to the number of FR2 modules reported by the terminal device. For example, a terminal device has 4 FR2 modules, then the network device can configure 4 measurement periods for this terminal device, and the terminal device measures the interference signal from different FR2 modules in each measurement period.
  • the network device can configure the measurement period and the FR2 transmission signal in pairs.
  • the network device may configure self-interference measurement parameters shown in Table 2 below, so that the terminal device performs self-interference measurement based on this self-interference measurement parameter.
  • Measurement period 1 starting position and duration in the time domain Time domain and frequency resources of FR2 transmission signal
  • transmission power Measurement period 2 starting position and duration in the time domain Time domain and frequency resources of FR2 transmission signal
  • transmission power Measurement period 3 starting position and duration in the time domain Time domain and frequency resources of FR2 transmission signal
  • transmission power Measurement period 4 starting position and duration in the time domain Time domain and frequency resources of FR2 transmission signal
  • a slot number (slot number) and a symbol number (or logo) need to be specified.
  • the specific location of the time domain resource and frequency domain resource including the slot number (or logo) in the time domain, the symbol number (or logo) where it is located, and the frequency domain PRB number (or logo) and subcarrier number (or logo).
  • the terminal device preferentially switches to the first module corresponding to the measured minimum signal power or strength.
  • the terminal device may also report the measurement result to the network device.
  • the terminal device sends second information to the network device, where the second information is used to indicate the measured minimum or maximum signal power or strength, or to indicate the measured minimum or maximum signal
  • the measurement period identifier corresponding to the power or intensity, or used to indicate the time/frequency domain position of the millimeter wave transmission signal corresponding to the measured minimum or maximum signal power or intensity.
  • the terminal device may actively send the second information to the network device, or the terminal device may send the second information to the network device upon request of the network device.
  • the terminal device receives second configuration information sent by the network device, and the second configuration information is used to instruct the terminal device to report the second information, and in response to the second configuration information, the terminal device sends the second information.
  • the terminal device may report the measured minimum and maximum interference intensity to the network device. This interference intensity is measured during the measurement period.
  • the terminal device can also report the FR2 module corresponding to the minimum and maximum interference strength, but the location of the FR2 module of the terminal device is not visible to the network device, so for the results obtained by using the FR2 module (the transmission of the FR1 signal to the FR2 signal Received interference), the terminal equipment reports the number of the measurement period corresponding to the minimum/maximum interference intensity; for the results obtained by measuring the signals transmitted by different FR2 modules (the interference of the transmission of the FR2 signal on the reception of the FR1 signal), the terminal equipment reports the minimum/maximum The time domain/frequency location of the FR2 transmitted signal corresponding to the interference intensity.
  • the terminal device can also report the number of the measurement period.
  • the report of the terminal device to the network device may be made under the requirements of the network device.
  • a terminal device supporting millimeter wave communication can measure its own self-interference strength, so that a first module for receiving and/or transmitting millimeter wave signals with less self-interference can be selected to perform millimeter wave Signal reception and transmission improve communication quality.
  • the method 300 is applied to a terminal device that supports millimeter wave communication, and the terminal device includes at least one for receiving and/or transmitting millimeter wave signals.
  • the first module, as shown in FIG. 3, the method 300 may include the following:
  • the network device receives first information sent by the terminal device, where the first information includes at least one of the following information:
  • the frequency band combination includes at least one of the following combinations:
  • the network device sends first configuration information to the terminal device according to the first information, where the first configuration information is used to configure self-interference measurement parameters. Therefore, the terminal device can perform self-interference measurement based on the first configuration information.
  • the self-interference measurement parameters include:
  • the starting position of each measurement period in the time domain includes a slot identifier and a symbol identifier where the starting position is located.
  • the time domain resource corresponding to each measurement period includes a time slot identifier and a symbol identifier in the time domain
  • the frequency domain resource corresponding to each measurement period includes a subcarrier identifier of a PRB identifier in the frequency domain
  • the number of the at least one measurement period is the same as the number of the at least one first module.
  • the network device receives second information sent by the terminal device, where the second information is used to indicate the measured minimum or maximum signal power or strength, or to indicate measurement
  • the network device schedules the terminal device according to the second information.
  • the network device before receiving the second information, sends second configuration information to the terminal device, where the second configuration information is used to instruct the terminal device to report the second information.
  • the network device before receiving the first information, sends third configuration information to the terminal device, where the third configuration information is used to instruct the terminal device to report the first information.
  • the network device configures self-interference measurement parameters based on the first information reported by the terminal device, so that the terminal device supporting millimeter-wave communication can measure its own self-interference strength, and then can select a device with less self-interference.
  • the first module receives and/or sends the millimeter wave signal to receive and send the millimeter wave signal, thereby improving the communication quality.
  • FIG. 4 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • the terminal device 400 is a terminal device supporting millimeter wave communication, and the terminal device 400 includes at least one first module for receiving and/or transmitting millimeter wave signals.
  • the terminal device 400 includes:
  • the communication unit 410 is configured to send first information, where the first information includes at least one of the following information:
  • the frequency band combination includes at least one of the following combinations:
  • the terminal device 400 further includes:
  • the communication unit 410 is further configured to receive first configuration information determined based on the first information, where the first configuration information is used to configure self-interference measurement parameters;
  • the processing unit 420 is configured to perform self-interference measurement according to the self-interference measurement parameter.
  • the self-interference measurement parameters include:
  • the starting position of each measurement period in the time domain includes a slot identifier and a symbol identifier where the starting position is located.
  • the time domain resource corresponding to each measurement period includes a time slot identifier and a symbol identifier in the time domain
  • the frequency domain resource corresponding to each measurement period includes a subcarrier identifier of a PRB identifier in the frequency domain
  • the number of the at least one measurement period is the same as the number of the at least one first module.
  • the processing unit 420 is specifically used for:
  • the processing unit 420 is specifically used for:
  • the signal power or strength from different first modules are respectively measured in the at least one measurement period.
  • the processing unit 420 is further configured to control the terminal device to preferentially switch to the first module corresponding to the measured minimum signal power or strength.
  • the communication unit 410 is further configured to send second information, where the second information is used to indicate the measured minimum or maximum signal power or strength, or to indicate the measured minimum or maximum signal power Or the measurement period identifier corresponding to the intensity, or used to indicate the time/frequency domain position of the millimeter wave transmission signal corresponding to the measured minimum or maximum signal power or intensity.
  • the communication unit 410 is further configured to receive second configuration information, and the second configuration information is used to instruct the terminal device to report the second information;
  • the communication unit 410 is specifically used for:
  • the second information is sent.
  • 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 the units in the terminal device 400 are respectively for implementing the method shown in FIG. 2
  • the corresponding process of the terminal device in 200 will not be repeated here.
  • FIG. 5 shows a schematic block diagram of a network device 500 according to an embodiment of the present application.
  • the network device 500 establishes a communication connection with a terminal device supporting millimeter wave communication, and the terminal device includes at least one first module for receiving and/or sending millimeter wave signals.
  • the network device 500 includes:
  • the communication unit 510 is configured to receive first information sent by the terminal device, where the first information includes at least one of the following information:
  • the frequency band combination includes at least one of the following combinations:
  • the communication unit 510 is further configured to send first configuration information to the terminal device according to the first information, where the first configuration information is used to configure self-interference measurement parameters.
  • the self-interference measurement parameters include:
  • the starting position of each measurement period in the time domain includes a slot identifier and a symbol identifier where the starting position is located.
  • the time domain resource corresponding to each measurement period includes a time slot identifier and a symbol identifier in the time domain
  • the frequency domain resource corresponding to each measurement period includes a subcarrier identifier of a PRB identifier in the frequency domain
  • the number of the at least one measurement period is the same as the number of the at least one first module.
  • the communication unit 510 is further configured to receive second information sent by the terminal device, where the second information is used to indicate the measured minimum or maximum signal power or strength, or to indicate the measured minimum Either the measurement period identifier corresponding to the maximum signal power or intensity, or used to indicate the time/frequency domain position of the millimeter wave transmission signal corresponding to the measured minimum or maximum signal power or intensity.
  • the network device 500 further includes:
  • the processing unit 520 is configured to schedule the terminal device according to the second information.
  • the communication unit 510 is further configured to send second configuration information to the terminal device, where the second configuration information is used to instruct the terminal device to report the second information.
  • the network device 500 may correspond to the network device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the network device 500 are respectively for implementing the method shown in FIG. 3
  • the corresponding process of the network device in 300 will not be repeated here for brevity.
  • FIG. 6 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
  • the communication device 600 shown in FIG. 6 includes a processor 610, and the processor 610 can call and run a computer program from the memory to implement the method in the embodiments of the present application.
  • the communication device 600 may further include a memory 620.
  • the processor 610 can call and run a computer program from the memory 620 to implement the method in the embodiments of the present application.
  • the memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, may send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of antennas may be one or more.
  • the communication device 600 may specifically be a network device according to an embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. .
  • the communication device 600 may specifically be a mobile terminal/terminal device according to an embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, for simplicity And will not be repeated here.
  • FIG. 7 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 700 shown in FIG. 7 includes a processor 710, and the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 700 may further include a memory 720.
  • the processor 710 can call and run a computer program from the memory 720 to implement the method in the embodiments of the present application.
  • the memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.
  • the chip 700 may further include an input interface 730.
  • the processor 710 can control the input interface 730 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
  • the chip 700 may further include an output interface 740.
  • the processor 710 can control the output interface 740 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiments of the present application. No longer.
  • chips mentioned in the embodiments of the present application may also be referred to as system-on-chips, system chips, chip systems, or system-on-chip chips.
  • FIG. 8 is a schematic block diagram of a communication system 800 provided by an embodiment of the present application. As shown in FIG. 8, the communication system 800 includes a terminal device 810 and a network device 820.
  • the terminal device 810 can be used to implement the corresponding function implemented by the terminal device in the above method
  • the network device 820 can be used to implement the corresponding function implemented by the network device in the above method.
  • the processor in the embodiments of the present application may be an integrated circuit chip, which has signal processing capabilities.
  • each step of the foregoing method embodiment may be completed by an integrated logic circuit of hardware in a 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 (Application Specific Integrated Circuit, ASIC), an existing programmable gate array (Field Programmable Gate Array, FPGA), or other available Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware decoding processor, or may be executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a mature storage medium in the art, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, and 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 embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically Erasable 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 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
  • enhanced SDRAM ESDRAM
  • Synchlink DRAM SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiments 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) 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) and so on. That is to say, the memories in the embodiments of the present application are intended to include but are not limited to these and any other suitable types of memories.
  • Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may be applied to the network device in the embodiments 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 embodiments 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 embodiments of the present application.
  • the computer-readable storage medium may be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiments of the present application For the sake of brevity, I will not repeat them here.
  • An embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiments 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. Repeat again.
  • the computer program product may be applied to the mobile terminal/terminal device in the embodiments 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 embodiments of the present application, For brevity, I will not repeat them here.
  • An 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 allowed to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. And will not be repeated here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiments of the present application, and when the computer program runs on the computer, the computer is implemented by the mobile terminal/terminal device in performing various methods of the embodiments of the present application For the sake of brevity, I will not repeat them here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • 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 may be combined or 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 may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional 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 the present application essentially or part of the contribution to the existing technology or 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 enable a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in the embodiments 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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  • Mobile Radio Communication Systems (AREA)

Abstract

Selon divers modes de réalisation, la présente invention concerne un procédé de communication sans fil, un dispositif terminal, et un dispositif de réseau. Un dispositif terminal prenant en charge une communication par ondes millimétriques peut mesurer sa propre intensité d'autobrouillage si bien qu'un premier module ayant une intensité d'autobrouillage moindre et utilisé pour recevoir et/ou envoyer des signaux d'ondes millimétriques peut être sélectionné pour recevoir et envoyer des signaux d'ondes millimétriques, ce qui améliore la qualité de communication. Le procédé de communication sans fil est implémenté dans un dispositif terminal prenant en charge une communication par ondes millimétriques, le dispositif terminal comprenant au moins un premier module utilisé pour recevoir et/ou envoyer des signaux d'ondes millimétriques. Le procédé de communication sans fil comprend les étapes suivantes : le dispositif terminal envoie des premières informations, les premières informations comprenant au moins l'une des informations suivantes : une combinaison de plages de fréquences produisant un autobrouillage, une fréquence intermédiaire utilisée par le premier module, et le nombre des premiers modules.
PCT/CN2018/124698 2018-12-28 2018-12-28 Procédé de communication sans fil, dispositif terminal, et dispositif de réseau WO2020133163A1 (fr)

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CN201880096756.7A CN112586013B (zh) 2018-12-28 2018-12-28 无线通信方法、终端设备和网络设备

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