WO2019096278A1 - Procédé et dispositif de mesure de signal - Google Patents

Procédé et dispositif de mesure de signal Download PDF

Info

Publication number
WO2019096278A1
WO2019096278A1 PCT/CN2018/116034 CN2018116034W WO2019096278A1 WO 2019096278 A1 WO2019096278 A1 WO 2019096278A1 CN 2018116034 W CN2018116034 W CN 2018116034W WO 2019096278 A1 WO2019096278 A1 WO 2019096278A1
Authority
WO
WIPO (PCT)
Prior art keywords
power
terminal device
measurement signal
measurement
srs
Prior art date
Application number
PCT/CN2018/116034
Other languages
English (en)
Chinese (zh)
Inventor
王亚飞
张弛
马小骏
龚政委
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2019096278A1 publication Critical patent/WO2019096278A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • 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

Definitions

  • the present application relates to the field of communications, and in particular, to a method and device for signal measurement.
  • the 5th generation mobile communication (the 5th generation, 5G) new radio (NR) standardization work
  • support flexible duplex mode that is, time slots on one frequency band or carrier can be dynamically used for uplink and Downlink transmission, for example, dynamic time division duplex (dynamic TDD) and flexible duplex (flexible duplex).
  • dynamic TDD dynamic time division duplex
  • flexible duplex flexible duplex
  • cross-link interference may occur, especially for users at the edge of the cell, which is more affected by the CLI.
  • 3GPP 3rd generation partnership project
  • the terminal device can implement the above-mentioned cross-interference measurement by measuring the measurement signal transmitted on the uplink channel.
  • the measurement signal transmitted by the uplink channel is difficult to meet the requirement of the cross-interference measurement. Causes cross-interference measurements to be inaccurate.
  • the present application provides a method and device for signal measurement, which can achieve accurate cross-interference measurement by measuring a measurement signal.
  • a method of signal measurement comprising:
  • the first terminal device receives the power configuration information sent by the first network device, where the power configuration information is used to configure the power parameter, where the power parameter corresponding to the first power and the second power is independently configured, and the first power is the first terminal. Determining, by the device, a power for transmitting a measurement signal for uplink channel measurement, the second power determining, by the first terminal device, a power for transmitting the measurement signal for inter-terminal interference measurement; the first terminal device determining according to the power parameter Transmitting a second power of the measurement signal for inter-terminal interference measurement; the first terminal device uses the second power to transmit the measurement signal for performing inter-terminal interference measurement.
  • the power parameters for the uplink channel measurement and the inter-terminal interference measurement are independently configured by the network device, and when the inter-terminal interference measurement is performed, the terminal device determines the power parameter according to the inter-terminal interference measurement configured by the network device.
  • the power of the measurement signal used for inter-terminal interference measurement is transmitted. The problem of transmitting measurement signals using the same power (that is, the power of the measurement signal when uplink channel measurement) is used in both the channel measurement and the inter-terminal interference measurement in the prior art is avoided, and accurate inter-terminal interference measurement can be realized.
  • the power parameter “independent configuration” corresponding to the first power and the second power may also be referred to as the power parameter “separate configuration” corresponding to the first power and the second power; in other words, The power parameter corresponding to a power and the power parameter corresponding to the second power are independent, and there is no association relationship.
  • the power configuration information may correspond to two different fields in the same message, and the two fields respectively configure the power parameter.
  • the first field is used to configure a first value of the power parameter corresponding to the first power.
  • the second field is configured to configure a second value of the power parameter corresponding to the second power, where the first value and the second value are independent, and have no association relationship.
  • the power configuration information may also be corresponding to two different messages, where the two different messages respectively configure the power parameter, for example, the first message is used to configure a first value of the power parameter corresponding to the first power.
  • the second message is used to configure the second value of the power parameter corresponding to the second power, where the first value and the second value are independent and have no association relationship.
  • the network device can configure the two values of the power parameter by using the power configuration information, that is, the first value and the second value, where the two values have no relationship, for example, the two values are different or The same may be applied, and the embodiment of the present application is not limited thereto.
  • the first value may be used by the first terminal device to determine the first power
  • the second value may be used by the first terminal device to determine the second power.
  • the method before the first terminal device determines, according to the power parameter, the second power of the measurement signal for inter-terminal interference measurement, the method further includes:
  • the first terminal device receives the scenario indication information sent by the first network device, where the scenario indication information is used to indicate that the measurement signal sent by the first terminal device is used for inter-terminal interference measurement;
  • the first terminal device determines, according to the power parameter, a second power that sends the measurement signal for inter-terminal interference measurement, including:
  • the first terminal device selects a second value of the power parameter from the value of the power parameter configured by the first network device according to the scenario indication information, where the value of the power parameter configured by the first network device is The first value of the power parameter and the second value of the power parameter, where the first value is used by the first terminal device to determine the first power, and the second value is used by the first terminal device to determine the Second power
  • the first terminal device determines, according to the second value of the power parameter, a second power that is used to send the measurement signal for inter-terminal interference measurement.
  • the first terminal device may select a value of the corresponding power parameter according to the scenario indicated by the corresponding scenario indication information (which may also be referred to as scenario configuration information) to determine the power of transmitting the measurement signal.
  • scenario indication information which may also be referred to as scenario configuration information
  • the first terminal device receives the second scenario indication information sent by the first network device, and the first terminal device determines the measurement signal according to the indication of the second scenario indication information.
  • the first terminal device can determine the second power of the measurement signal according to the second value of the power parameter configured according to the configuration information, and send the measurement signal measured between the terminals with the second power.
  • the first terminal device receives the first scenario indication information sent by the first network device, and the first terminal device determines the measurement signal according to the indication of the first scenario indication information. And measuring, by the first terminal device, the first power of the measurement signal according to the first value of the power parameter configured by the configuration information, and transmitting the measurement signal for the uplink channel measurement by using the first power.
  • the power parameter comprises at least one of the following parameters:
  • the power offset of the measurement signal the desired power of the measurement signal, and the path loss compensation factor of the measurement signal.
  • the power parameter includes a power offset of the measurement signal
  • P SRS,c (i) represents the second power
  • c represents a cell in which the first terminal device is located or a carrier in which the terminal transmits the measurement signal
  • i represents a time unit in which the measurement signal is transmitted
  • P CMAX,c ( i) indicating the maximum transmission power of the first terminal device to send the measurement signal
  • m x
  • x is a preset value
  • x is used to indicate that the measurement signal is used for inter-terminal interference measurement
  • P SRS_OFFSET, c (m) indicates the a second value of the power offset
  • M SRS,c (i) is the number of resource blocks of the first terminal device configured by the first network device
  • P O_UE_PUSCH,c (j) is an uplink of the configuration of the first network device
  • ⁇ c (j) represents the path loss compensation factor
  • PL c represents the downlink path loss value between the first network device and the first terminal device
  • the power of the measurement signal determined by the first terminal device according to the above formula is the first power, that is, the measurement signal is used for the measurement of the uplink channel.
  • the power of the corresponding measurement signal may be determined according to the following formula:
  • the power of the corresponding measurement signal may be determined according to the following formula:
  • the power of the measurement signal determined by the first terminal device according to the above formula is the second power, that is, the measurement signal is used for
  • the power of the corresponding measurement signal can be deformed to be determined according to the following formula:
  • m may also be equal to other values different from x, and embodiments of the present application are not limited thereto.
  • the power parameter includes a desired power of the measurement signal
  • P SRS,c (i) represents the second power
  • c represents a cell in which the first terminal device is located or a carrier in which the terminal transmits the measurement signal
  • i represents a time unit in which the measurement signal is transmitted
  • P CMAX,c ( i) indicating the maximum transmission power of the first terminal device to send the measurement signal
  • P O_SRS, c (n) represents the second value of the expected power
  • ⁇ c (j) represents the path loss compensation factor
  • PL c represents the first network
  • f c (i) represents the power adjustment value.
  • the power of the measurement signal determined by the first terminal device according to the above formula is the first power, that is, the measurement signal is used for the measurement of the uplink channel.
  • the power of the corresponding measurement signal may be determined according to the following formula:
  • the power of the corresponding measurement signal can be determined according to the following formula:
  • the power of the measurement signal determined by the first terminal device according to the above formula is the second power, that is, the measurement signal is used for For the measurement of the uplink channel, the power of the corresponding measurement signal can be deformed to be determined according to the following formula:
  • n may be equal to other values different from y, and embodiments of the present application are not limited thereto.
  • the power parameter includes a path loss compensation factor of the measurement signal
  • Determining, by the first terminal device, the second power of the measurement signal for inter-terminal interference measurement according to the second value of the power parameter including determining the second power according to any one of the following formulas:
  • P SRS,c (i) represents the second power
  • c represents a cell in which the first terminal device is located or a carrier in which the terminal transmits the measurement signal
  • i represents a time unit in which the measurement signal is transmitted
  • P CMAX,c ( i) indicating the maximum transmission power of the first terminal device to transmit the measurement signal
  • P SRS — OFFSET indicating the power offset of the measurement signal
  • m′ is 0 or 1
  • P O_SRS, c (n′ Indicates the expected power of the measurement signal, n' takes a value of 0 or 1
  • M SRS,c (i) is the number of resource blocks of the first terminal device configured by the first network device
  • the measurement signal is used for inter-terminal interference measurement.
  • k may take other values.
  • the measurement signal may be used for measurement of the uplink channel, and ⁇ SRS,c (k) represents the first value of the path loss compensation factor.
  • the power of the measurement signal determined by the first terminal device according to the above formula is the first power, that is, the measurement signal is used for the measurement of the uplink channel.
  • the power of the corresponding measurement signal may be determined according to any one of the following formulas:
  • the power of the measurement signal determined by the first terminal device according to the above formula is the second power, that is, the measurement signal is used for Measurement of the upstream channel.
  • the power of the corresponding measurement signal can be deformed to be determined according to any of the following formulas:
  • k may also be equal to other values different from z, and embodiments of the present application are not limited thereto.
  • the measurement parameter is any one of the above three parameters is described above.
  • the measurement parameter may include two or three of the above three parameters, and the embodiment of the present application does not Limited to this.
  • the terminal device may determine the power of the measurement signal according to the similar description above. To avoid repetition, details are not described herein again.
  • the first terminal device receives the power configuration information sent by the first network device, including:
  • the first terminal device receives the power configuration information that is sent by the first network device by using radio resource control RRC signaling, a medium access control layer control element MAC-CE, downlink control information DCI, or a broadcast message.
  • RRC radio resource control
  • a method for signal measurement is provided. It should be understood that the method on the first network device side described in the second aspect corresponds to the method on the first terminal side that interacts with the first network device described in the first aspect, The method on the first network side may refer to the description on the first terminal side. To avoid repetition, the detailed description is omitted here as appropriate.
  • the method includes: the first network device generates power configuration information, where the power configuration information is used to configure the power parameter, where the power parameter corresponding to the first power and the second power is independently configured, and the first power is first Determining, by the terminal device, a power for transmitting a measurement signal for uplink channel measurement, the second power determining, by the first terminal device, a power for transmitting the measurement signal for inter-terminal interference measurement; the first network device is to the first The terminal device transmits power configuration information.
  • the power parameters for the uplink channel measurement and the inter-terminal interference measurement are independently configured by the network device, and when the inter-terminal interference measurement is performed, the terminal device determines the power parameter according to the inter-terminal interference measurement configured by the network device.
  • the power of the measurement signal used for inter-terminal interference measurement is transmitted. The problem of transmitting measurement signals using the same power (ie, the power of the measurement signal when uplink channel measurement) is used in both the channel measurement and the inter-terminal interference measurement in the prior art is avoided, and accurate inter-terminal interference measurement can be realized.
  • the method further includes: the first network device sends first indication information to the first terminal device, where the first indication information is used to indicate the first terminal
  • the measurement signal sent by the device is used for inter-terminal interference measurement.
  • the power parameter comprises at least one of the following parameters:
  • the power offset of the measurement signal the desired power of the measurement signal, and the path loss compensation factor of the measurement signal.
  • the first network device sends power configuration information to the first terminal device, including:
  • the first network device sends the power configuration information to the first terminal device by using a radio resource control RRC signaling, a medium access control layer control element MAC-CE, a downlink control information DCI, or a broadcast message.
  • RRC radio resource control
  • MAC-CE medium access control layer control element
  • DCI downlink control information
  • the first network device sends the power configuration information to the first terminal device in a cell level.
  • the first network device may notify the terminal device (eg, the first terminal device) of the local cell of the value of the measurement parameter corresponding to the measurement signal by using the system information (for example, the SIB).
  • the system information for example, the SIB
  • the first network device may use the high layer information or the L1 (layer 1) signaling to notify the terminal device (eg, the first terminal device) of the local cell of the value of the measurement parameter corresponding to the measurement signal.
  • the first network device sends the power configuration information to the first terminal device in a terminal device group level in a cell.
  • the first network device notifies the value of the measurement parameter corresponding to the measurement signal when the terminal device (for example, the first terminal device) in the terminal device group transmits the measurement signal by using high layer signaling, for example, RRC signaling or MAC-CE.
  • high layer signaling for example, RRC signaling or MAC-CE.
  • the first network device obtains the value of the power parameter used by the terminal device group in the neighboring cell through the interaction information, and then the first network device can notify the community by using the high layer information or L1 (layer 1) signaling.
  • a cell may be divided into two, three or more terminal device groups, and one terminal device group may include two, three, four or more terminal devices. .
  • the first network device sends the power configuration information to the first terminal device in a terminal device level.
  • the first network device determines the value of the measurement signal by using the capability reported by the first terminal device, and then the first network device may notify the first terminal device to send by using high layer information or L1 (layer 1) signaling.
  • L1 layer 1
  • the first network device obtains the value of the power parameter used by the terminal device that sends the measurement signal in the neighboring cell through the interaction information, and then notifies the terminal device of the local cell by using RRC signaling or DCI (for example, the first terminal The value of the power parameter of the terminal device corresponding to the measurement in the neighboring cell.
  • RRC signaling or DCI for example, the first terminal The value of the power parameter of the terminal device corresponding to the measurement in the neighboring cell.
  • the foregoing describes a scheme for configuring the configuration information of the first terminal device by the first network device.
  • the power configuration information may also be predefined by the system. In this case, the notification of the first network device is not needed. Or instructions.
  • the terminal device may determine the power configuration information according to system specifications. For example, the terminal device may determine the first value and the second value of the power parameter.
  • a method of signal measurement comprising:
  • the second terminal device determines a received power of the measurement signal sent by the first terminal device
  • the second terminal device After determining that the interference power is greater than the interference power threshold, the second terminal device sends first interference indication information to the second network device, where the first interference indication information indicates the interference power.
  • the terminal device does not report the interference situation when the interference is small, and the terminal device sends the interference indication information indicating the interference power to the network device only when the interference is large (the interference power is greater than the interference power threshold). Can reduce signaling overhead.
  • the method before the second terminal device determines the interference power of the first terminal device to the second terminal device according to the received power and the compensation power of the measurement signal, the method also includes:
  • the second terminal device receives power compensation indication information sent by the second network device, where the power compensation indication information indicates the compensation power.
  • a method of signal measurement comprising:
  • the second network device sends power compensation indication information to the second terminal device, where the power compensation indication information indicates a compensation power of the measurement signal;
  • the second network device receives the first interference indication information that is sent by the second terminal device, where the first interference indication information indicates the interference power of the first terminal device to the second terminal device, where the interference power is determined by the second terminal device according to the The received power and the compensation power of the measurement signal are determined.
  • the power parameters for the uplink channel measurement and the inter-terminal interference measurement are independently configured by the network device, and when the inter-terminal interference measurement is performed, the terminal device determines the power parameter according to the inter-terminal interference measurement configured by the network device.
  • the power of the measurement signal used for inter-terminal interference measurement is transmitted.
  • the problem that the measurement signal is transmitted by using the same power that is, the power of the measurement signal when the uplink channel is measured
  • the embodiment of the present application can implement accurate inter-terminal interference measurement.
  • the network device can perform control processing according to the result of inter-terminal interference measurement, reduce inter-terminal interference, and improve network performance.
  • a method of signal measurement comprising:
  • the second network device receives the second interference power indication information that is sent by the second terminal device, where the second interference power indication information is used to indicate that the second terminal device receives the received power of the measurement signal sent by the first terminal device,
  • the second network device determines, according to the received power and the compensation power of the measurement signal, the interference power of the first terminal device to the second terminal device.
  • the power parameters for the uplink channel measurement and the inter-terminal interference measurement are independently configured by the network device, and when the inter-terminal interference measurement is performed, the terminal device determines the power parameter according to the inter-terminal interference measurement configured by the network device.
  • the power of the measurement signal used for inter-terminal interference measurement is transmitted.
  • the problem that the measurement signal is transmitted by using the same power that is, the power of the measurement signal when the uplink channel is measured
  • the embodiment of the present application can implement accurate inter-terminal interference measurement.
  • the network device can perform control processing according to the result of inter-terminal interference measurement, reduce inter-terminal interference, and improve network performance.
  • a first terminal device comprising a respective module or unit for performing the method of the first aspect or the first aspect of the possible implementation.
  • a first network device comprising various modules or units for performing the method of any of the possible implementations of the second aspect or the second aspect.
  • a second terminal device comprising a respective module or unit for performing the method of the third aspect or any of the possible implementations of the first aspect.
  • a second network device comprising various modules or units for performing the method of any of the possible implementations of the fourth aspect or the fourth aspect.
  • a second network device comprising various modules or units for performing the method of any of the possible implementations of the fifth or fifth aspect.
  • a first terminal device including a transceiver, a processor, and a memory.
  • the processor is configured to control a transceiver transceiver signal for storing a computer program, the processor for calling and running the computer program from the memory, such that the first terminal device performs the method in the first aspect and its possible implementation manner .
  • a first network device comprising a transceiver, a processor, and a memory.
  • the processor is configured to control a transceiver transceiver signal for storing a computer program, the processor for calling and running the computer program from the memory, such that the first network device performs the second aspect and a method thereof .
  • a second terminal device including a transceiver, a processor, and a memory.
  • the processor is configured to control a transceiver transceiver signal for storing a computer program for calling and running the computer program from the memory, such that the second terminal device performs the method of the third aspect and possible implementation thereof .
  • a second network device comprising a transceiver, a processor, and a memory.
  • the processor is for controlling a transceiver transceiver signal for storing a computer program for calling and running the computer program from the memory, such that the second network device performs the method of the fourth aspect and possible implementation thereof .
  • a second network device including a transceiver, a processor, and a memory.
  • the processor is for controlling a transceiver transceiver signal for storing a computer program for calling and running the computer program from the memory, such that the second network device performs the method of the fifth aspect and possible implementation thereof .
  • the solution implemented by the first terminal device described above may be implemented by a chip.
  • the implementation of the first network device described above may be implemented by a chip.
  • the solution implemented by the second terminal device described above may be implemented by a chip.
  • the solution implemented by the foregoing second network device may be implemented by a chip.
  • a computer program product comprising: a computer program (which may also be referred to as a code, or an instruction) that, when executed, causes the computer to perform the first aspect described above.
  • a computer program (which may also be referred to as a code, or an instruction) that, when executed, causes the computer to perform the first aspect described above.
  • a computer readable medium storing a computer program (which may also be referred to as a code, or an instruction), when executed on a computer, causes the computer to perform the first aspect described above
  • a computer program which may also be referred to as a code, or an instruction
  • the power parameters for the uplink channel measurement and the inter-terminal interference measurement are independently configured by the network device, and when the inter-terminal interference measurement is performed, the terminal device determines the power parameter according to the inter-terminal interference measurement configured by the network device.
  • the power of the measurement signal used for inter-terminal interference measurement is transmitted. The problem of transmitting measurement signals using the same power (ie, the power of the measurement signal when uplink channel measurement) is used in both the channel measurement and the inter-terminal interference measurement in the prior art is avoided, and accurate inter-terminal interference measurement can be realized.
  • FIG. 1 is a schematic diagram of a scenario applicable to an embodiment of the present application.
  • FIG. 2 is a flow chart of a method of measuring a signal according to an embodiment of the present application.
  • FIG. 3 is a schematic block diagram of a first terminal device according to an embodiment of the present application.
  • FIG. 4 is a schematic block diagram of a first network device in accordance with an embodiment of the present application.
  • FIG. 5 is a schematic block diagram of a second terminal device according to an embodiment of the present application.
  • FIG. 6 is a schematic block diagram of a second network device according to an embodiment of the present application.
  • the embodiments of the present application are applicable to various communication systems, and therefore, the following description is not limited to a specific communication system.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • System general packet radio service (GPRS), long term evolution (LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (time division duplex, TDD), universal mobile telecommunication system (UMTS), wireless local area networks (WLAN), wireless fidelity (WiFi), and next-generation communication systems
  • the fifth generation (5th generation, 5G) communication system for example, a new radio (NR) system.
  • the network device may be a global system of mobile communication (GSM) or a base transceiver station (BTS) in code division multiple access (CDMA), or may be a broadband A base station (nodeB, NB) in a code division multiple access (WCDMA), or an evolved base station (eNB/eNodeB) in long term evolution (LTE), or a relay station or an access point, or a network side device in a future 5G network, for example, a transmission point (TRP or TP) in an NR system, a base station (gNB) in an NR system, a radio unit in an NR system, such as a remote radio unit One or a group of base stations (including multiple antenna panels) in a 5G system, etc.
  • Different network devices may be located in the same cell or in different cells, and are not limited herein.
  • the terminal device may also be referred to as a user equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, and a terminal.
  • a wireless communication device a user agent, or a user device.
  • the access terminal may be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), with wireless communication.
  • the terminal device may also be a wearable device.
  • a wearable device which can also be called a wearable smart device, is a general term for applying wearable technology to intelligently design and wear 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 clothing or accessories. Wearable devices are more than just a hardware device, but they also implement powerful functions through software support, data interaction, and cloud interaction.
  • Generalized wearable smart devices include full-featured, large-size, non-reliable smartphones for full or partial functions, such as smart watches or smart glasses, and focus on only one type of application, and need to work with other devices such as smartphones. Use, such as various smart bracelets for smart signs monitoring, smart jewelry, etc.
  • the network device provides a service for the cell, and the terminal device communicates with the network device by using a transmission resource (for example, a frequency domain resource, or a spectrum resource) used by the cell, where the cell may be a network device.
  • a transmission resource for example, a frequency domain resource, or a spectrum resource
  • the cell may be a network device.
  • a cell corresponding to a cell may belong to a macro base station, or may belong to a base station corresponding to a small cell, where the small cell may include: a metro cell, a micro cell, and a pico cell. (Pico cell), femto cell, 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 cell may also be a hypercell.
  • multiple carriers can work at the same frequency on the carrier in the LTE system or the 5G system.
  • the concept of the carrier and the cell can be considered to be equivalent.
  • CA carrier aggregation
  • the concept of the carrier and the cell can be considered to be equivalent, for example, the UE accessing one carrier and accessing one cell are equivalent.
  • FIG. 1 is a schematic diagram of a communication system to which an embodiment of the present application is applicable.
  • the communication system 100 includes a first network device 111, a second network device 121, and a first terminal device 112 located in a first cell covered by the first network device 111 and located at a second network device 121.
  • cross-link interference may be generated.
  • the uplink signal sent by the first terminal device 122 to the first network device 121 may be generated.
  • the second terminal device 122 causes interference.
  • the terminal device can implement the above-mentioned cross-interference measurement by measuring the measurement signal transmitted on the uplink channel.
  • the measurement signal transmitted by the uplink channel is difficult to meet the requirement of the cross-interference measurement. Causes cross-interference measurements to be inaccurate.
  • the measurement signal transmitted by the first terminal device through the upper and lower channels may have a greater interference to the second terminal device, and the second terminal device acquires The power of the measurement signal is large, which may exceed the upper limit of the power amplifier of the second terminal device, causing the power amplification (PA) of the second terminal device to be blocked, and finally causing the second terminal device to the CLI.
  • the measurement is not accurate.
  • the embodiment of the present application subtly proposes a method for measuring a signal.
  • the embodiment of the present application discards the scheme for measuring interference measured by the measurement signal transmitted through the uplink channel in the prior art, and is independently configured by the network device.
  • the power parameters of the uplink channel measurement and the inter-terminal interference measurement are used by the terminal device to determine the power of the measurement signal used for the inter-terminal interference measurement according to the power parameter of the inter-terminal interference measurement configured by the network device.
  • the problem of transmitting the measurement signal by using the same power (that is, the power of the measurement signal when the uplink channel is measured) in both the channel measurement and the inter-terminal interference measurement in the prior art is avoided. Therefore, the embodiment of the present application can achieve accurate inter-terminal interference measurement.
  • FIG. 2 is a schematic flow chart of a method of signal measurement in accordance with one embodiment of the present invention.
  • the method shown in FIG. 2 can be applied to any of the above communication systems. Specifically, the method shown in FIG. 2 includes:
  • the first network device generates the power configuration information, where the power configuration information is used to configure the power parameter, where the power parameter corresponding to the first power and the second power is independently configured, and the first power is used by the first terminal device to determine the sending.
  • the power of the measurement signal measured on the uplink channel, the second power being determined by the first terminal device to transmit the power of the measurement signal for inter-terminal interference measurement.
  • the power parameter “independent configuration” corresponding to the first power and the second power may also be referred to as the power parameter “separate configuration” corresponding to the first power and the second power; in other words, The power parameter corresponding to a power and the power parameter corresponding to the second power are independent, and there is no association relationship.
  • the power configuration information may correspond to two different fields in the same message, and the two fields respectively configure the power parameter.
  • the first field is used to configure a first value of the power parameter corresponding to the first power.
  • the second field is configured to configure a second value of the power parameter corresponding to the second power, where the first value and the second value are independent, and have no association relationship.
  • the power configuration information may also be corresponding to two different messages, where the two different messages respectively configure the power parameter, for example, the first message is used to configure a first value of the power parameter corresponding to the first power.
  • the second message is used to configure the second value of the power parameter corresponding to the second power, where the first value and the second value are independent and have no association relationship.
  • the network device can configure the two values of the power parameter by using the power configuration information, that is, the first value and the second value, where the two values have no relationship, for example, the two values are different or The same may be applied, and the embodiment of the present application is not limited thereto.
  • the first value may be used by the first terminal device to determine the first power
  • the second value may be used by the first terminal device to determine the second power.
  • the first network device sends power configuration information to the first terminal device.
  • the first terminal device receives the power configuration information sent by the first network device.
  • the first network device sends power configuration information to the first terminal device, including:
  • the first network device sends the power configuration information to the first terminal device by using a radio resource control RRC signaling, a medium access control layer control element MAC-CE, a downlink control information DCI, or a broadcast message.
  • RRC radio resource control
  • MAC-CE medium access control layer control element
  • DCI downlink control information
  • the first network device sends the power configuration information to the first terminal device in a cell level.
  • the first network device may notify the terminal device (eg, the first terminal device) of the local cell of the value of the measurement parameter corresponding to the measurement signal by using the system information (for example, the SIB).
  • the system information for example, the SIB
  • the first network device may use the high layer information or the L1 (layer 1) signaling to notify the terminal device (eg, the first terminal device) of the local cell of the value of the measurement parameter corresponding to the measurement signal.
  • the first network device sends the power configuration information to the first terminal device in a terminal device group level in a cell.
  • the first network device notifies the value of the measurement parameter corresponding to the measurement signal when the terminal device (for example, the first terminal device) in the terminal device group transmits the measurement signal by using high layer signaling, for example, RRC signaling or MAC-CE.
  • high layer signaling for example, RRC signaling or MAC-CE.
  • the first network device obtains the value of the power parameter used by the terminal device group in the neighboring cell through the interaction information, and then the first network device can notify the community by using the high layer information or L1 (layer 1) signaling.
  • a cell may be divided into two, three or more terminal device groups, and one terminal device group may include two, three, four or more terminal devices. .
  • the first network device sends the power configuration information to the first terminal device in a terminal device level.
  • the first network device determines the value of the measurement signal by using the capability reported by the first terminal device, and then the first network device may notify the first terminal device to send by using high layer information or L1 (layer 1) signaling.
  • L1 layer 1
  • the first network device obtains the value of the power parameter used by the terminal device that sends the measurement signal in the neighboring cell through the interaction information, and then notifies the terminal device of the local cell by using RRC signaling or DCI (for example, the first terminal The value of the power parameter of the terminal device corresponding to the measurement in the neighboring cell.
  • RRC signaling or DCI for example, the first terminal The value of the power parameter of the terminal device corresponding to the measurement in the neighboring cell.
  • step 220 is an optional solution, and the power configuration information may also be predefined by the system. In this case, No notification or instructions from the first network device are required.
  • the terminal device may determine the power configuration information according to system specifications. For example, the terminal device may determine the first value and the second value of the power parameter.
  • the first terminal device determines, according to the power parameter, a second power that sends the measurement signal for inter-terminal interference measurement.
  • the method further includes: the first network device sends scenario indication information to the first terminal device, where the scenario indication information is used to indicate that the measurement signal sent by the first terminal device is used by the terminal. Interference measurement.
  • the scenario indication information may be the second scenario indication information
  • the method further includes: the first network device sending, to the first terminal device, first scenario indication information, where the first scenario indication The information is used to indicate that the measurement signal sent by the first terminal device is used for uplink channel measurement.
  • the first terminal device may select a value of the corresponding power parameter according to the scenario indicated by the corresponding scenario indication information (which may also be referred to as scenario configuration information) to determine the power of transmitting the measurement signal.
  • scenario indication information which may also be referred to as scenario configuration information
  • the first terminal device receives the second scenario indication information sent by the first network device, and the first terminal device determines the measurement signal according to the indication of the second scenario indication information.
  • the first terminal device can determine the second power of the measurement signal according to the second value of the power parameter configured according to the configuration information, and send the measurement signal measured between the terminals with the second power.
  • the first terminal device receives the first scenario indication information sent by the first network device, and the first terminal device determines the measurement signal according to the indication of the first scenario indication information. And measuring, by the first terminal device, the first power of the measurement signal according to the first value of the power parameter configured by the configuration information, and transmitting the measurement signal for the uplink channel measurement by using the first power.
  • the power parameter may comprise at least one of the following three parameters: a power offset of the measurement signal, a desired power of the measurement signal, and a path loss compensation factor of the measurement signal.
  • the power parameter is used as the power offset of the measurement signal, the expected power of the measurement signal, or the path loss compensation factor of the measurement signal, and the first terminal device determines to transmit the interference measurement for the inter-device interference.
  • the specific form of the second power of the measured signal is used as the power offset of the measurement signal, the expected power of the measurement signal, or the path loss compensation factor of the measurement signal, and the first terminal device determines to transmit the interference measurement for the inter-device interference.
  • Case 1 The power parameter includes the power offset of the measurement signal.
  • the determination of the power of the measurement signal may be determined based on some parameters of the PUSCH, that is, the power of the measurement signal may be obtained by power paranoia on the basis of the parameters of the PUSCH. Since the parameters of the uplink channel need to be used in combination, the configuration information configured by the first network device for determining the power parameter of the measurement signal may also be referred to as a joint configuration.
  • the first terminal device determines, according to the second value of the power parameter, a second power that is used to send the measurement signal for inter-device interference measurement, including determining the second power according to the following formula:
  • P SRS,c (i) represents the second power
  • c represents a cell in which the first terminal device is located or a carrier in which the terminal transmits the measurement signal
  • i represents a time unit in which the measurement signal is transmitted
  • P CMAX,c ( i) indicating the maximum transmission power of the first terminal device to send the measurement signal
  • m x
  • x is a preset value
  • x is used to indicate that the measurement signal is used for inter-terminal interference measurement
  • P SRS_OFFSET, c (m) indicates the a second value of the power offset
  • M SRS,c (i) is the number of resource blocks of the first terminal device configured by the first network device
  • P O_UE_PUSCH,c (j) is an uplink of the configuration of the first network device
  • ⁇ c (j) represents the path loss compensation factor
  • PL c represents the downlink path loss value between the first network device and the first terminal device
  • the power of the measurement signal determined by the first terminal device according to the above formula is the first power, that is, the measurement signal is used for the measurement of the uplink channel.
  • the power of the corresponding measurement signal may be determined according to the following formula:
  • the power of the corresponding measurement signal may be determined according to the following formula:
  • the power of the measurement signal determined by the first terminal device according to the above formula is the second power, that is, the measurement signal is used for
  • the power of the corresponding measurement signal can be deformed to be determined according to the following formula:
  • m may also be equal to other values different from x, and embodiments of the present application are not limited thereto.
  • the power parameter includes the desired power of the measurement signal.
  • the determination of the power of the measurement signal may not be determined based on the parameters of the PUSCH, and the relevant parameters determining the measurement signal need to be separately configured. Therefore, the configuration information configured by the first network device for determining the power parameter of the measurement signal in this case may also be referred to as a separate configuration.
  • the first terminal device determines, according to the second value of the power parameter, a second power that is used to send the measurement signal for inter-device interference measurement, including determining the second power according to the following formula:
  • P SRS,c (i) represents the second power
  • c represents a cell in which the first terminal device is located or a carrier in which the terminal transmits the measurement signal
  • i represents a time unit in which the measurement signal is transmitted
  • P CMAX,c ( i) indicating the maximum transmission power of the first terminal device to send the measurement signal
  • P O_SRS, c (n) represents the second value of the expected power
  • ⁇ c (j) represents the path loss compensation factor
  • PL c represents the first network
  • f c (i) represents the power adjustment value.
  • the power of the measurement signal determined by the first terminal device according to the above formula is the first power, that is, the measurement signal is used for the measurement of the uplink channel.
  • the power of the corresponding measurement signal may be determined according to the following formula:
  • the power of the corresponding measurement signal can be determined according to the following formula:
  • the power of the measurement signal determined by the first terminal device according to the above formula is the second power, that is, the measurement signal is used for For the measurement of the uplink channel, the power of the corresponding measurement signal can be deformed to be determined according to the following formula:
  • n may be equal to other values different from y, and embodiments of the present application are not limited thereto.
  • the power parameter includes a path loss compensation factor of the measurement signal.
  • the power parameter determining the power of the measurement signal may be jointly configured, or similar to case two, as shown in the second formula below.
  • the power parameters that determine the power of the measurement signal are separately configured.
  • the first terminal device determines, according to the second value of the power parameter, a second power that is used to send the measurement signal for inter-terminal interference measurement, including determining the second power according to any one of the following formulas:
  • P SRS,c (i) represents the second power
  • c represents a cell in which the first terminal device is located or a carrier in which the terminal transmits the measurement signal
  • i represents a time unit in which the measurement signal is transmitted
  • P CMAX,c ( i) indicating the maximum transmission power of the first terminal device to transmit the measurement signal
  • P SRS — OFFSET indicating the power offset of the measurement signal
  • m′ is 0 or 1
  • P O_SRS, c (n′ Indicates the expected power of the measurement signal, n' takes a value of 0 or 1
  • M SRS,c (i) is the number of resource blocks of the first terminal device configured by the first network device
  • the measurement signal is used for inter-terminal interference measurement.
  • k may take other values.
  • the measurement signal may be used for measurement of the uplink channel, and ⁇ SRS,c (k) represents the first value of the path loss compensation factor.
  • the power of the measurement signal determined by the first terminal device according to the above formula is the first power, that is, the measurement signal is used for the measurement of the uplink channel.
  • the power of the corresponding measurement signal may be determined according to any one of the following formulas:
  • the power of the measurement signal determined by the first terminal device according to the above formula is the second power, that is, the measurement signal is used for Measurement of the upstream channel.
  • the power of the corresponding measurement signal can be deformed to be determined according to any of the following formulas:
  • k may also be equal to other values different from z, and embodiments of the present application are not limited thereto.
  • the measurement parameter is any one of the above three parameters is described above.
  • the measurement parameter may include two or three of the above three parameters, and the embodiment of the present application does not Limited to this.
  • the terminal device may determine the power of the measurement signal according to the similar description above. To avoid repetition, details are not described herein again.
  • the first terminal device uses the second power to send a measurement signal for inter-terminal interference measurement.
  • the first terminal device determines the second power of the measurement signal according to the second value of the measurement parameter configured by the configuration information, and sends the second power by using the second power. Measurement signal for interference measurement between end devices.
  • the power parameters for the uplink channel measurement and the inter-terminal interference measurement are independently configured by the network device, and when the inter-terminal interference measurement is performed, the terminal device determines the power parameter according to the inter-terminal interference measurement configured by the network device.
  • the power of the measurement signal used for inter-terminal interference measurement is transmitted. The problem of transmitting measurement signals using the same power (ie, the power of the measurement signal when uplink channel measurement) is used in both the channel measurement and the inter-terminal interference measurement in the prior art is avoided, and accurate inter-terminal interference measurement can be realized.
  • the first terminal device determines the first power of the measurement signal according to the first value of the measurement parameter configured by the configuration information, and uses The first power transmits the measurement signal for uplink channel measurement.
  • the second terminal device determines a received power of the measurement signal sent by the first terminal device.
  • the second terminal device sends interference power indication information to the second network device.
  • the second terminal device needs to compensate for the received power of the measurement signal to determine the interference power.
  • the second terminal device determines, according to the received power and the compensation power of the measurement signal, the interference power of the first terminal device to the second terminal device, and then the second terminal device goes to the second terminal device.
  • the network device sends interference power indication information, and the interference power indication information indicates the interference power.
  • the compensation power may be a system configuration, or is indicated by the second network device.
  • the method may further include receiving, by the second terminal device, The power compensation indication information sent by the second network device, where the power compensation indication information indicates the compensation power.
  • the power compensation indication information may be sent by the network device by using the radio resource control RRC signaling, the medium access control layer control element MAC-CE, the downlink control information DCI, or the broadcast message, and the embodiment of the present application is not limited thereto.
  • the second terminal device may not report to the second network device, and it is required to determine whether the interference power is tolerable (for example, the interference is relatively small and does not affect.
  • a normal service transmission that is, determining whether the interference power is greater than a power threshold, where the second terminal device sends the first interference indication information to the second network device, where the interference power is greater than the interference power threshold
  • the first interference indication information indicates the interference power.
  • the terminal device does not report the interference situation when the interference is small, and the terminal device sends the interference indication information indicating the interference power to the network device only when the interference is large (the interference power is greater than the interference power threshold). Can reduce signaling overhead.
  • the second terminal device directly reports the received power of the measurement signal without performing power compensation.
  • the interference power indication information indicates the power of the measurement signal received by the second terminal device.
  • the second terminal device after the power of the measured measurement signal is directly reported to the second network device, the second terminal device does not need to perform power compensation, but the second network device side performs compensation, which can reduce the second terminal device. Computational complexity.
  • the second network device performs a regulation process.
  • the second network device performs coordinated scheduling, power control, and the like to reduce interference of the first terminal device to the second terminal device.
  • the second network device determines, according to the received power and the compensation power of the measurement signal, the interference power of the first terminal device to the second terminal device. And determining that the interference power is greater than the power threshold, the second network device performs corresponding regulation processing to reduce interference of the first terminal device with the second terminal device.
  • the specific manner of the specific control processing of the second network device may refer to the corresponding processing performed when the network device determines that the inter-terminal interference is large in the existing standard, and is not detailed herein.
  • the power parameters for the uplink channel measurement and the inter-terminal interference measurement are independently configured by the network device, and when the inter-terminal interference measurement is performed, the terminal device determines the power parameter according to the inter-terminal interference measurement configured by the network device.
  • the power of the measurement signal used for inter-terminal interference measurement is transmitted.
  • the problem that the measurement signal is transmitted by using the same power that is, the power of the measurement signal when the uplink channel is measured
  • the embodiment of the present application can implement accurate inter-terminal interference measurement.
  • the network device can perform control processing according to the result of inter-terminal interference measurement, reduce inter-terminal interference, and improve network performance.
  • FIG. 2 is merely intended to assist those of ordinary skill in the art to understand the embodiments of the present invention, and are not intended to limit the embodiments of the present invention to the specific numerical values or specific examples illustrated.
  • a person skilled in the art will be able to make various modifications and changes in accordance with the example of FIG. 2, and such modifications or variations are also within the scope of the embodiments of the present invention.
  • the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application.
  • the implementation process constitutes any limitation.
  • FIG. 3 shows a schematic block diagram of a first terminal device 300 according to an embodiment of the present application.
  • the first terminal device 300 includes a processor 310 and a transceiver 320.
  • the transceiver 320 can include a control circuit and an antenna, wherein the control circuit can be used for converting baseband signals and radio frequency signals and processing the radio frequency signals, and the antenna can be used to transmit and receive radio frequency signals.
  • the first terminal device may further include components such as a memory 330.
  • Memory is primarily used to store software programs and data.
  • the processor 310 can read the software program in the memory, interpret and execute the instructions of the software program, and process the data of the software program.
  • the processor 310 can be configured to process the communication protocol and the communication data, and control the entire first terminal device, execute the software program, and process the data of the software program, for example, to support the first terminal device to perform the corresponding in the foregoing method embodiments. operating.
  • the transceiver is configured to receive the power configuration information sent by the first network device, where the power configuration information is used to configure the power parameter, where the power parameter corresponding to the first power and the second power is independently configured, and the first power is Determining, by the first terminal device, a power for transmitting a measurement signal for uplink channel measurement, the second power determining, by the first terminal device, a power for transmitting the measurement signal for inter-terminal interference measurement;
  • the processor is configured to determine, according to the power parameter, a second power that is sent by the measurement signal for inter-terminal interference measurement;
  • the transceiver also transmits the measurement signal for inter-terminal interference measurement using the second power.
  • the power parameters for the uplink channel measurement and the inter-terminal interference measurement are independently configured by the network device, and when the inter-terminal interference measurement is performed, the terminal device determines the power parameter according to the inter-terminal interference measurement configured by the network device.
  • the power of the measurement signal used for inter-terminal interference measurement is transmitted. The problem of transmitting measurement signals using the same power (ie, the power of the measurement signal when uplink channel measurement) is used in both the channel measurement and the inter-terminal interference measurement in the prior art is avoided, and accurate inter-terminal interference measurement can be realized.
  • the transceiver is further configured to: before the determining, by the processor, the second power of the measurement signal for inter-terminal interference measurement, according to the power parameter, receiving, sending, by the first network device
  • the scenario indication information is used to indicate that the measurement signal sent by the first terminal device is used for inter-terminal interference measurement
  • the processor is specifically configured to select a second value of the power parameter from the value of the power parameter configured by the first network device according to the scenario indication information, where the power parameter configured by the first network device The value of the first value of the power parameter and the second value of the power parameter, the first value is used by the first terminal device to determine the first power, and the second value is used for the first terminal The device determines the second power;
  • the power parameter includes at least one of the following parameters:
  • the power offset of the measurement signal the desired power of the measurement signal, and the path loss compensation factor of the measurement signal.
  • the power parameter includes a power offset of the measurement signal
  • the processor is specifically configured to determine the second power according to the following formula:
  • P SRS,c (i) represents the second power
  • c represents a cell in which the first terminal device is located or a carrier in which the terminal transmits the measurement signal
  • i represents a time unit in which the measurement signal is transmitted
  • P CMAX,c ( i) indicating the maximum transmission power of the first terminal device to send the measurement signal
  • m x
  • x is a preset value
  • x is used to indicate that the measurement signal is used for inter-terminal interference measurement
  • P SRS_OFFSET, c (m) indicates the a second value of the power offset
  • M SRS,c (i) is the number of resource blocks of the first terminal device configured by the first network device
  • P O_UE_PUSCH,c (j) is an uplink of the configuration of the first network device
  • ⁇ c (j) represents the path loss compensation factor
  • PL c represents the downlink path loss value between the first network device and the first terminal device
  • the power parameter includes a desired power of the measurement signal
  • the processor is specifically configured to determine the second power according to the following formula:
  • P SRS,c (i) represents the second power
  • c represents a cell in which the first terminal device is located or a carrier in which the terminal transmits the measurement signal
  • i represents a time unit in which the measurement signal is transmitted
  • P CMAX,c ( i) indicating the maximum transmission power of the first terminal device to send the measurement signal
  • P O_SRS, c (n) represents the second value of the expected power
  • ⁇ c (j) represents the path loss compensation factor
  • PL c represents the first network
  • f c (i) represents the power adjustment value.
  • the power parameter includes a path loss compensation factor of the measurement signal
  • the processor is specifically configured to determine the second power according to any one of the following formulas:
  • P SRS,c (i) represents the second power
  • c represents a cell in which the first terminal device is located or a carrier in which the terminal transmits the measurement signal
  • i represents a time unit in which the measurement signal is transmitted
  • P CMAX,c ( i) indicating the maximum transmission power of the first terminal device to transmit the measurement signal
  • P SRS — OFFSET indicating the power offset of the measurement signal
  • m′ is 0 or 1
  • P O_SRS, c (n′ Indicates the expected power of the measurement signal, n' takes a value of 0 or 1
  • M SRS,c (i) is the number of resource blocks of the first terminal device configured by the first network device
  • the transceiver is specifically configured to receive, by the first network device, a radio resource control RRC signaling, a media access control layer control element MAC-CE, downlink control information DCI, or a broadcast message.
  • the power configuration information is specifically configured to receive, by the first network device, a radio resource control RRC signaling, a media access control layer control element MAC-CE, downlink control information DCI, or a broadcast message.
  • the first terminal device 300 shown in FIG. 3 can implement various processes related to the first terminal device in the method embodiment of FIG. 2.
  • the operations and/or functions of the respective modules in the first terminal device 300 are respectively implemented in order to implement the corresponding processes in the foregoing method embodiments.
  • the detailed description is omitted here.
  • FIG. 4 shows a schematic block diagram of a first network device 400 according to an embodiment of the present application.
  • the first network device 400 includes a processor 410 and a transceiver 420.
  • the first network device may further include components such as a memory 330.
  • Memory is primarily used to store software programs and data.
  • the processor 410 can read a software program in the memory, interpret and execute the instructions of the software program, and process the data of the software program.
  • the transceiver 420 may be referred to as a remote radio unit (RRU), a transceiver unit, a transceiver, or a transceiver circuit or the like.
  • the transceiver 420 can include at least one antenna and a radio frequency unit, and the transceiver 420 can be used for transceiving radio frequency signals and converting radio frequency signals to baseband signals.
  • the apparatus may include a baseband unit (BBU), the baseband unit including the processor 410.
  • BBU baseband unit
  • the baseband unit can be used for baseband processing such as channel coding, multiplexing, modulation, spread spectrum, etc., as well as controlling network devices.
  • the transceiver 420 and the baseband unit may be physically disposed together or physically separated, that is, a distributed network device.
  • the baseband unit may be composed of one or more single boards, and the multiple boards may jointly support a single access system radio access network, or may respectively support different access systems of the radio access network.
  • the baseband unit can be reconstructed into the aforementioned DU and CU functional entities.
  • the baseband unit includes a processor 410.
  • the processor 410 can be configured to control the first network device to perform a corresponding operation in the foregoing method embodiments.
  • the baseband unit may also include a memory to store the necessary instructions and data.
  • the processor is configured to generate power configuration information, where the power configuration information is used to configure the power parameter, where the power parameter corresponding to the first power and the second power is independently configured, and the first power is determined to be sent by the first terminal device. a power of a measurement signal used for uplink channel measurement, the second power being determined by the first terminal device to transmit the power of the measurement signal for inter-terminal interference measurement;
  • the transceiver is configured to send power configuration information to the first terminal device.
  • the power parameters for the uplink channel measurement and the inter-terminal interference measurement are independently configured by the network device, and when the inter-terminal interference measurement is performed, the terminal device determines the power parameter according to the inter-terminal interference measurement configured by the network device.
  • the power of the measurement signal used for inter-terminal interference measurement is transmitted. The problem of transmitting measurement signals using the same power (ie, the power of the measurement signal when uplink channel measurement) is used in both the channel measurement and the inter-terminal interference measurement in the prior art is avoided, and accurate inter-terminal interference measurement can be realized.
  • the transceiver is further configured to send the first indication information to the first terminal device, where the first indication information is used to indicate that the measurement signal sent by the first terminal device is used for inter-terminal interference. measuring.
  • the power parameter includes at least one of the following parameters:
  • the power offset of the measurement signal the desired power of the measurement signal, and the path loss compensation factor of the measurement signal.
  • the transceiver is specifically configured to send the RRC signaling, the medium access control layer control element MAC-CE, the downlink control information DCI, or the broadcast message to the first terminal device by using radio resource control. Power configuration information.
  • first network device 400 shown in FIG. 4 can implement various processes related to the first network device in the method embodiment of FIG. 2.
  • the operations and/or functions of the respective modules in the first network device 400 are respectively implemented in order to implement the corresponding processes in the foregoing method embodiments.
  • the detailed description is omitted here.
  • FIG. 5 shows a schematic block diagram of a second terminal device 500 according to an embodiment of the present application.
  • the second terminal device 500 includes a processor 510 and a transceiver 520.
  • the second terminal device may further include components such as a memory 530.
  • Memory is primarily used to store software programs and data.
  • the processor 510 can read a software program in the memory, interpret and execute the instructions of the software program, and process the data of the software program.
  • the transceiver 520 can include a control circuit and an antenna, wherein the control circuit can be used for converting baseband signals and radio frequency signals and processing the radio frequency signals, and the antenna can be used to transmit and receive radio frequency signals.
  • the processor 510 can be configured to process the communication protocol and the communication data, and control the entire second terminal device, execute the software program, and process the data of the software program, for example, to support the second terminal device to perform the corresponding in the foregoing method embodiment. operating.
  • the processor is configured to determine a received power of the measurement signal sent by the first terminal device
  • the transceiver sends first interference indication information to the second network device, where the first interference indication information indicates the interference power.
  • the terminal device does not report the interference situation when the interference is small, and the terminal device sends the interference indication information indicating the interference power to the network device only when the interference is large (the interference power is greater than the interference power threshold). Can reduce signaling overhead.
  • the transceiver is further configured to: before the processor determines, according to the received power and the compensation power of the measurement signal, the interference power of the first terminal device to the second terminal device, The power compensation indication information sent by the second network device, where the power compensation indication information indicates the compensation power.
  • the second terminal device 500 shown in FIG. 5 can implement various processes related to the second terminal device in the method embodiment of FIG. 2.
  • the operations and/or functions of the respective modules in the second terminal device 500 are respectively implemented in order to implement the corresponding processes in the foregoing method embodiments.
  • the detailed description is omitted here.
  • FIG. 6 shows a schematic block diagram of a second network device 600 according to an embodiment of the present application.
  • the second network device 600 includes a processor 610 and a transceiver 620.
  • the second network device may further include a component such as a memory 630.
  • Memory is primarily used to store software programs and data.
  • the processor 610 can read a software program in the memory, interpret and execute the instructions of the software program, and process the data of the software program.
  • the transceiver 620 may be referred to as a remote radio unit (RRU), a transceiver unit, a transceiver, or a transceiver circuit, and the like.
  • the transceiver 620 can include at least one antenna and a radio frequency unit, and the transceiver 620 can be used for transceiving radio frequency signals and converting radio frequency signals with baseband signals.
  • the apparatus may include a baseband unit (BBU), the baseband unit including the processor 610.
  • BBU baseband unit
  • the baseband unit can be used for baseband processing such as channel coding, multiplexing, modulation, spread spectrum, etc., as well as controlling network devices.
  • the transceiver 620 and the baseband unit may be physically disposed together or physically separated, that is, a distributed network device.
  • the baseband unit may be composed of one or more single boards, and the multiple boards may jointly support a single access system radio access network, or may respectively support different access systems of the radio access network.
  • the baseband unit can be reconstructed into the aforementioned DU and CU functional entities.
  • the baseband unit includes a processor 610.
  • the processor 610 can be configured to control the second network device to perform corresponding operations in the foregoing method embodiments.
  • the baseband unit may also include a memory to store the necessary instructions and data.
  • the processor is configured to control the transceiver to send power compensation indication information to the second terminal device, where the power compensation indication information indicates a compensation power of the measurement signal;
  • the first interference indication information indicates the interference power of the first terminal device to the second terminal device, where the interference power is the second terminal device according to the received power and the The compensation power of the measured signal is determined.
  • the transceiver is configured to receive second interference power indication information that is sent by the second terminal device, where the second interference power indication information is used to indicate that the second terminal device receives the received power of the measurement signal sent by the first terminal device,
  • the processor is configured to determine, according to the received power and the compensation power of the measurement signal, the interference power of the first terminal device to the second terminal device.
  • the power parameters for the uplink channel measurement and the inter-terminal interference measurement are independently configured by the network device, and when the inter-terminal interference measurement is performed, the terminal device determines the power parameter according to the inter-terminal interference measurement configured by the network device.
  • the power of the measurement signal used for inter-terminal interference measurement is transmitted.
  • the problem that the measurement signal is transmitted by using the same power that is, the power of the measurement signal when the uplink channel is measured
  • the embodiment of the present application can implement accurate inter-terminal interference measurement.
  • the network device can perform control processing according to the result of inter-terminal interference measurement, reduce inter-terminal interference, and improve network performance.
  • the second network device 600 shown in FIG. 6 can implement the various processes involved in the second network device in the method embodiment of FIG. 2.
  • the operations and/or functions of the respective modules in the second network device 600 are respectively implemented in order to implement the corresponding processes in the foregoing method embodiments.
  • the detailed description is omitted here.
  • processor in the embodiment of the present invention may be implemented by a processing unit or a chip.
  • processing unit may be composed of multiple units in the implementation process.
  • the transceiver in the embodiment of the present invention may be implemented by a transceiver unit or a chip.
  • the transceiver may be composed of a transmitter or a receiver, or may be composed of a transmitting unit or a receiving unit.
  • processor and the transceiver in the embodiments of the present invention may be implemented by a chip.
  • the embodiment of the present application further provides a processing apparatus, including a processor and an interface, and a processor, configured to perform a method for measuring a signal in any one of the foregoing method embodiments.
  • the foregoing processing device may be a chip, and the processor may be implemented by hardware or by software.
  • the processor may be a logic circuit, an integrated circuit, etc.;
  • the processor may be a general purpose processor implemented by reading software code stored in the memory.
  • the memory may be integrated in the processor and may exist independently of the processor.
  • the processing device may be a Field-Programmable Gate Array (FPGA), may be an Application Specific Integrated Circuit (ASIC), or may be a System on Chip (SoC). It can be a Central Processor Unit (CPU), a Network Processor (NP), a Digital Signal Processor (DSP), or a Micro Controller (Micro Controller). Unit, MCU), can also be a Programmable Logic Device (PLD) or other integrated chip.
  • FPGA Field-Programmable Gate Array
  • ASIC Application Specific Integrated Circuit
  • SoC System on Chip
  • CPU Central Processor Unit
  • NP Network Processor
  • DSP Digital Signal Processor
  • MCU Micro Controller
  • MCU Programmable Logic Device
  • PLD Programmable Logic Device
  • the embodiment of the invention further provides a communication device, including a processing unit and a transceiver unit.
  • the processing unit and the transceiver unit may be implemented in software or in hardware.
  • the processing unit may be the processor described above, which may be the transceiver described above.
  • the processor may be a CPU, and the processor may also be other general purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), ready-made devices.
  • DSPs digital signal processors
  • ASICs application specific integrated circuits
  • FPGA Programmable Gate Array
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory can include read only memory and random access memory and provides instructions and data to the processor.
  • a portion of the memory may also include a non-volatile random access memory.
  • each step of the above method may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module 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. To avoid repetition, it will not be described in detail here.
  • the processor in the embodiment of the present invention may be an integrated circuit chip with signal processing capability.
  • each step of the foregoing method embodiment may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the above processor may be a general purpose processor, a digital signal processor (DSP), an application specific integrated crucit (ASIC), a field programmable gate array (FPGA) or the like. Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present invention may be implemented or carried out.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module 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 memory in the embodiments of the present invention 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.
  • RAM random access memory
  • RAM random access memory
  • many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
  • SDRAM double data rate synchronous DRAM
  • DDR SDRAM double data rate synchronous DRAM
  • ESDRAM enhanced synchronous dynamic random access memory
  • SLDRAM synchronously connected dynamic random access memory
  • DR RAM direct memory bus random access memory
  • the embodiment of the present application further provides a computer readable medium having stored thereon a computer program, which is implemented by a computer to implement the method for signal measurement in any of the foregoing method embodiments.
  • the embodiment of the present application further provides a computer program product, which is implemented by a computer to implement the method for signal measurement in any of the foregoing method embodiments.
  • the embodiment of the present application further provides a system, where the system includes the foregoing first terminal device, the first network device, the second terminal device, and the second network device.
  • the first network device independently configures power parameters for uplink channel measurement and inter-terminal interference measurement, and when performing inter-terminal interference measurement, causes the first terminal device to configure inter-terminal interference according to the first network device.
  • the measured power parameter determines the power of the measurement signal when transmitting the inter-terminal interference measurement.
  • the computer program product includes one or more computer instructions.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be from a website site, computer, server or data center Transmission to another website site, computer, server or data center via wired (eg coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (eg infrared, wireless, microwave, etc.).
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that includes one or more available media.
  • the usable medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a high-density digital video disc (DVD)), or a semiconductor medium (eg, a solid state disk, SSD)) and so on.
  • a magnetic medium eg, a floppy disk, a hard disk, a magnetic tape
  • an optical medium eg, a high-density digital video disc (DVD)
  • DVD high-density digital video disc
  • SSD solid state disk
  • a component can be, but is not limited to being, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer.
  • an application running on a computing device and a computing device can be a component.
  • One or more components can reside within a process and/or execution thread, and the components can be located on one computer and/or distributed between two or more computers.
  • these components can execute from various computer readable media having various data structures stored thereon.
  • a component may, for example, be based on signals having one or more data packets (eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems) Communicate through local and/or remote processes.
  • data packets eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems
  • system and “network” are used interchangeably herein.
  • the term “and/or” in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and / or B, which may indicate that A exists separately, and both A and B exist, respectively. B these three situations.
  • the character "/" in this article generally indicates that the contextual object is an "or" relationship.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B from A does not mean that B is only determined based on A, and that B can also be determined based on A and/or other information.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of cells is only a logical function division.
  • multiple units or components may be combined or integrated. Go to another system, or some features can be ignored or not executed.
  • 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, or an electrical, mechanical or other form of connection.
  • the units described as separate components may or may not be physically separate, 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 each 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 above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
  • a storage medium may be any available media that can be accessed by a computer.
  • computer readable media may comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, disk storage media or other magnetic storage device, or can be used for carrying or storing in the form of an instruction or data structure.
  • connection may suitably be a computer readable medium.
  • the software is transmitted from a website, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwave
  • coaxial cable , fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, wireless, and microwave are included in the fixing of the associated media.
  • a disk and a disc include a compact disc (CD), a laser disc, a compact disc, a digital versatile disc (DVD), a floppy disk, and a Blu-ray disc, wherein the disc is usually magnetically copied, and the disc is The laser is used to optically replicate the data. Combinations of the above should also be included within the scope of the computer readable media.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un dispositif de mesure de signal. Le procédé comprend : un premier dispositif terminal qui reçoit des informations de configuration de puissance transmises par un premier dispositif réseau, les informations de configuration de puissance permettant de configurer un paramètre de puissance, le paramètre de puissance correspondant à des première et seconde puissances qui sont configurées indépendamment, la première puissance étant une puissance déterminée par un premier dispositif terminal et servant à l'émission d'un signal de mesure en vue d'une mesure de canal de liaison montante, et la seconde puissance étant une puissance déterminée par le premier dispositif terminal et servant à l'émission d'un signal de mesure en vue d'une mesure d'interférence entre des dispositifs terminaux ; le premier dispositif terminal qui détermine, en fonction du paramètre de puissance, la seconde puissance d'émission du signal de mesure en vue de la mesure d'interférence entre les dispositifs terminaux ; le premier dispositif terminal qui émet le signal de mesure en vue de la mesure d'interférence entre les dispositifs terminaux à la seconde puissance. Selon des modes de réalisation, la présente invention permet d'exécuter une mesure d'interférence précise entre deux terminaux.
PCT/CN2018/116034 2017-11-17 2018-11-16 Procédé et dispositif de mesure de signal WO2019096278A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711147320.X 2017-11-17
CN201711147320.XA CN109802733B (zh) 2017-11-17 2017-11-17 信号测量的方法和设备

Publications (1)

Publication Number Publication Date
WO2019096278A1 true WO2019096278A1 (fr) 2019-05-23

Family

ID=66538921

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/116034 WO2019096278A1 (fr) 2017-11-17 2018-11-16 Procédé et dispositif de mesure de signal

Country Status (2)

Country Link
CN (1) CN109802733B (fr)
WO (1) WO2019096278A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113556772A (zh) * 2020-04-26 2021-10-26 华为技术有限公司 信道预测方法及装置
CN114145049A (zh) * 2019-12-09 2022-03-04 华为技术有限公司 一种确定上行发射功率的方法、装置及设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112203321B (zh) * 2020-09-30 2022-09-16 中国联合网络通信集团有限公司 测量方法及通信装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103379603A (zh) * 2012-04-17 2013-10-30 电信科学技术研究院 功控信息通知及功控方法和设备
CN104023382A (zh) * 2013-03-01 2014-09-03 中国移动通信集团公司 同频全双工系统中的功率控制方法及基站
CN104837190A (zh) * 2014-02-07 2015-08-12 中国电信股份有限公司 用于实现自适应开环功率控制的方法和装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101369831B (zh) * 2007-08-16 2012-05-23 中兴通讯股份有限公司 小区间干扰的抑制方法和系统
US8755343B2 (en) * 2010-10-21 2014-06-17 Lg Electronics Inc. Method and apparatus for transmitting control information in wireless communication system
CN103167537B (zh) * 2011-12-12 2016-05-25 中国移动通信集团公司 一种上行干扰测量方法、系统及装置
CN103209470B (zh) * 2012-01-13 2018-02-06 中兴通讯股份有限公司 一种上行信号发送方法及装置
CN103118424B (zh) * 2013-01-24 2015-07-01 富春通信股份有限公司 一种基于干扰意识的lte上行链路功率控制方法和系统

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103379603A (zh) * 2012-04-17 2013-10-30 电信科学技术研究院 功控信息通知及功控方法和设备
CN104023382A (zh) * 2013-03-01 2014-09-03 中国移动通信集团公司 同频全双工系统中的功率控制方法及基站
CN104837190A (zh) * 2014-02-07 2015-08-12 中国电信股份有限公司 用于实现自适应开环功率控制的方法和装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ZTE: "Discussion on Measurements and RS Design for CLI Mitigation", 3GPP TSG RAN WG1 MEETING #89, RL-1707204, 19 May 2017 (2017-05-19), XP051261271 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114145049A (zh) * 2019-12-09 2022-03-04 华为技术有限公司 一种确定上行发射功率的方法、装置及设备
CN114145049B (zh) * 2019-12-09 2024-04-12 华为技术有限公司 一种确定上行发射功率的方法、装置及设备
CN113556772A (zh) * 2020-04-26 2021-10-26 华为技术有限公司 信道预测方法及装置
CN113556772B (zh) * 2020-04-26 2023-10-20 华为技术有限公司 信道预测方法及装置

Also Published As

Publication number Publication date
CN109802733A (zh) 2019-05-24
CN109802733B (zh) 2022-06-10

Similar Documents

Publication Publication Date Title
WO2019096235A1 (fr) Procédé de réception d'un signal de référence, et procédé d'émission d'un signal de référence
US11310675B2 (en) Uplink signal transmission method and apparatus, uplink signal reception method and apparatus and system
WO2018228504A1 (fr) Procédé et dispositif de contrôle de puissance
WO2021138919A1 (fr) Dispositif et procédé de communication
WO2020200084A1 (fr) Procédé et appareil de mesure de gestion de ressources radio (rrm)
US11463194B2 (en) Information determination method, terminal apparatus, and network apparatus
JP2021503845A (ja) 通信方法および通信デバイス
WO2018228502A1 (fr) Procédé et dispositif de transmission d'informations de commande
US20220014901A1 (en) Method and apparatus for identifying user equipment capability in sidelink transmission
WO2019096278A1 (fr) Procédé et dispositif de mesure de signal
TWI787837B (zh) 下行定位參考信號收發方法、終端、基地台、設備及裝置
WO2019191949A1 (fr) Procédé de communication, appareil de communication, et système
WO2019072170A1 (fr) Procédé de communication et appareil de communication
WO2021088158A1 (fr) Procédé de communication sans fil, dispositif terminal, et dispositif de réseau
US20220272668A1 (en) Wireless communication resource allocation method and apparatus, and communication device
WO2022022517A1 (fr) Procédé et appareil de détermination d'une puissance de transmission
WO2019096232A1 (fr) Appareil et procédé de communication
JP2021510028A (ja) トラフィック受信又は送信方法及び装置、通信システム
WO2020156364A1 (fr) Procédé de mesure et appareil de communication
WO2018201941A1 (fr) Procédé et dispositif de configuration de paramètres
WO2018201936A1 (fr) Procédé de transmission d'informations, procédé de réception d'informations, et dispositif terminal
WO2018202168A1 (fr) Procédé et appareil de transmission d'informations
WO2022082790A1 (fr) Procédé et appareil d'indication de faisceau
WO2018192545A1 (fr) Dispositif et procédé de mesure de fréquence porteuse
WO2020156562A1 (fr) Procédé de communication et dispositif

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18878369

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18878369

Country of ref document: EP

Kind code of ref document: A1