WO2022067590A1 - 非授权频谱的使用方法及装置 - Google Patents
非授权频谱的使用方法及装置 Download PDFInfo
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- WO2022067590A1 WO2022067590A1 PCT/CN2020/119114 CN2020119114W WO2022067590A1 WO 2022067590 A1 WO2022067590 A1 WO 2022067590A1 CN 2020119114 W CN2020119114 W CN 2020119114W WO 2022067590 A1 WO2022067590 A1 WO 2022067590A1
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- frequency band
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0006—Assessment of spectral gaps suitable for allocating digitally modulated signals, e.g. for carrier allocation in cognitive radio
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
Definitions
- the present application relates to the field of communication technologies, and in particular, to a method and apparatus for using an unlicensed spectrum.
- 5G 5th generation
- 4G 4th generation
- 5G systems usually use higher frequency electromagnetic waves for communication, and higher frequency electromagnetic waves usually mean higher losses. Therefore, the coverage of 5G network is slightly weaker than that of 4G network.
- CA carrier aggregation
- Carrier aggregation technology requires the use of bundling between carriers. It can be seen that at present, carrier aggregation is used to improve 5G coverage, but there is a problem of poor flexibility.
- the embodiments of the present application provide a method and device for using an unlicensed spectrum, which can flexibly improve the coverage capability of a 5G network.
- a method for using an unlicensed spectrum is provided, and the method can be executed by a network device or a device supporting a function of the network device (such as a chip system of the network device).
- the method includes acquiring information on a target unlicensed frequency band, and transmitting a signal on a supplemental uplink SUL based on the information on the target unlicensed frequency band.
- the SUL spectrum includes the target unlicensed frequency band; the information of the target unlicensed frequency band includes a combination of one or more of the following information: reference signal received power RSRP, reference signal received quality RSRQ, and signal-to-interference and noise ratio SINR.
- the target unlicensed frequency band satisfies any one or more of the following first conditions: RSRP is less than or equal to the first threshold, RSRQ is less than or equal to the second threshold, and SINR is less than or equal to the third threshold.
- the unlicensed frequency band that satisfies the first condition that is, the target unlicensed frequency band usually has poor signal quality.
- the interference between the two can be reduced.
- the target unlicensed frequency band is simultaneously used by a base station and an access point (such as a router), the mutual interference degree between the base station and the router is low.
- each measurement report includes a measurement result of each unlicensed frequency band to be measured in one or more unlicensed frequency bands to be measured, and the measurement result of each unlicensed frequency band to be measured includes Any one or more of the following information of the unlicensed frequency band to be tested: RSRP, RSRQ, SINR;
- the information of the target unlicensed frequency band that satisfies the first condition in the one or more unlicensed frequency bands to be measured is acquired.
- the number of measurement results satisfying the first condition is greater than or equal to the fourth threshold.
- obtain information on the target unlicensed frequency bands including:
- Each measurement report includes a measurement result of each unlicensed frequency band to be measured in one or more unlicensed frequency bands to be measured; the measurement result of each unlicensed frequency band to be measured includes Any one or more of the following information of the unlicensed frequency band to be tested: RSRP, RSRQ, SINR;
- Obtain information on target unlicensed bands including:
- the one or more measurement reports obtain information about the target unlicensed frequency band that satisfies the first condition in the one or more unlicensed frequency bands to be measured;
- the first terminal device is a terminal device in a configured cooperation group; the cooperation group includes at least two terminal devices.
- the network device obtains the information of the target unlicensed frequency band through fewer measurement reports.
- the signaling overhead caused by the transmission of the measurement configuration and the measurement report can be reduced.
- the method also includes:
- location information of the second terminal device is determined.
- determining the location information of the second terminal device based on the first measurement result including:
- the second condition is any one of the following conditions or a combination of multiple conditions: RSRP is less than or equal to the fifth threshold, RSRQ is less than or equal to the sixth threshold, SINR less than or equal to the seventh threshold;
- the third condition is any one of the following conditions or a combination of multiple conditions: RSRP is greater than the fifth threshold, RSRQ is greater than the sixth threshold, and SINR is greater than the seventh threshold threshold.
- the coordinates of the terminal device can be located using a conventional positioning algorithm, but it is impossible to determine whether the terminal device is located indoors or outdoors.
- the network device can determine whether the terminal device is located indoors or outdoors according to the measurement report reported by the terminal device and the coordinates of the terminal device, so as to improve the location recognition accuracy.
- the present application provides a method for using an unlicensed spectrum, and the method can be executed by a network device or a device supporting the function of the network device (such as a system-on-a-chip of the network device).
- the method includes:
- the first measurement result includes any one or more of the following information of the unlicensed frequency band to be measured: reference signal received power RSRP, reference signal received quality RSRQ, and signal-to-interference and noise ratio SINR;
- location information of the terminal device is determined.
- the location information of the terminal device is determined, including:
- the second condition is any one of the following conditions or a combination of multiple conditions: RSRP is less than or equal to the fifth threshold, RSRQ is less than or equal to the sixth threshold, and SINR is less than or equal to the sixth threshold is equal to the seventh threshold;
- the third condition is any one of the following conditions or a combination of multiple conditions: RSRP is greater than the fifth threshold, RSRQ is greater than the sixth threshold, and SINR is greater than the seventh threshold.
- the present application provides a communication device, which can be a network device or a device supporting the function of the network device (such as a chip system of the network device), and the device includes:
- a processor configured to obtain information on the target unlicensed frequency band;
- the information on the target unlicensed frequency band includes a combination of one or more of the following information: reference signal received power RSRP, reference signal received quality RSRQ, and signal-to-interference and noise ratio SINR;
- a transceiver for transmitting a signal on a supplemental uplink SUL based on information on the target unlicensed frequency band, the spectrum of the SUL including the target unlicensed frequency band.
- the target unlicensed frequency band satisfies any one or more of the following first conditions: RSRP is less than or equal to the first threshold, RSRQ is less than or equal to the second threshold, and SINR is less than or equal to the third threshold.
- the processor for obtaining information on the target unlicensed frequency band, includes:
- each measurement report includes the measurement results of each unlicensed frequency band to be measured in one or more unlicensed frequency bands to be measured, and each unlicensed frequency band to be measured is
- the measurement result of the frequency band includes any one or more of the following information of the unlicensed frequency band to be measured: RSRP, RSRQ, SINR;
- the number of measurement results satisfying the first condition is greater than or equal to the fourth threshold.
- the processor for obtaining information on the target unlicensed frequency band, includes:
- each measurement report includes the measurement results of each unlicensed frequency band to be measured in the one or more unlicensed frequency bands to be measured; each unlicensed frequency band to be measured is The measurement result of the frequency band includes any one or more of the following information of the unlicensed frequency band to be measured: RSRP, RSRQ, SINR;
- the first terminal device is a terminal device in a configured cooperation group; the cooperation group includes at least two terminal devices.
- the transceiver is further configured to receive the first measurement result from the second terminal device;
- the processor is further configured to determine the location information of the second terminal device based on the first measurement result.
- the processor is configured to determine the location information of the second terminal device based on the first measurement result, including:
- the second condition is any one of the following conditions or a combination of multiple conditions: RSRP is less than or equal to the fifth threshold, and RSRQ is less than or equal to the sixth threshold Threshold, the SINR is less than or equal to the seventh threshold;
- the third condition is any one of the following conditions or a combination of multiple conditions: RSRP is greater than the fifth threshold, RSRQ is greater than the sixth threshold, and SINR is greater than the seventh threshold threshold.
- the present application provides a communication device, which can be a network device or a device supporting the function of the network device (such as a chip system of the network device), and the device includes:
- a transceiver configured to receive a first measurement result from a terminal device;
- the first measurement result includes any one or more of the following information of the unlicensed frequency band to be measured: reference signal received power RSRP, reference signal received quality RSRQ, signal-to-interference and noise ratio SINR;
- the processor is configured to determine the location information of the terminal device based on the first measurement result.
- the processor is configured to determine the location information of the terminal device based on the first measurement result, including:
- the second condition is any one of the following conditions or a combination of multiple conditions: RSRP is less than or equal to the fifth threshold, and RSRQ is less than or equal to the sixth threshold, SINR is less than or equal to the seventh threshold;
- the third condition is any one of the following conditions or a combination of multiple conditions: RSRP is greater than the fifth threshold, RSRQ is greater than the sixth threshold, and SINR is greater than the seventh threshold.
- the present application provides a communication apparatus for implementing the functions of the network device in any of the foregoing aspects.
- the present application provides a communication device having a function of implementing the method for using an unlicensed spectrum according to any one of the above aspects.
- This function can be implemented by hardware or by executing corresponding software by hardware.
- the hardware or software includes one or more modules corresponding to the above functions.
- a communication device comprising: a processor and a memory; the memory is used to store computer-executed instructions, and when the communication device operates, the processor executes the computer-executed instructions stored in the memory, so as to enable the communication
- the apparatus performs the method of using unlicensed spectrum as in any of the above aspects.
- a communication device comprising: a processor; the processor is configured to be coupled to a memory, and after reading an instruction in the memory, execute the method for using unlicensed spectrum according to any one of the above-mentioned aspects according to the instruction .
- an embodiment of the present application provides a communication device, including: a processor and an interface circuit; the interface circuit is used to receive code instructions and transmit them to the processor; the processor is used to run the code instructions to execute any of the above A method of using unlicensed spectrum of any of the aspects.
- an embodiment of the present application provides a communication device, and the device may be a chip system, where the chip system includes a processor, and optionally, a memory, for implementing the functions of the methods described in any of the above aspects .
- the chip system can be composed of chips, and can also include chips and other discrete devices.
- a communication apparatus which may be a circuit system, the circuit system comprising a processing circuit configured to perform the method of using an unlicensed spectrum according to any of the above aspects.
- the embodiments of the present application further provide a computer-readable storage medium, including instructions, which, when executed on a computer, cause the computer to execute the method of any one of the foregoing aspects.
- the embodiments of the present application further provide a computer program product, including instructions, which, when executed on a computer, cause the computer to execute the method of any one of the foregoing aspects.
- FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present application.
- FIG. 2 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
- FIG. 3 is a schematic flowchart of a method for using an unlicensed spectrum provided by an embodiment of the present application
- FIG. 4 is a schematic diagram 1 of a scenario of a method for using an unlicensed spectrum provided by an embodiment of the present application;
- FIG. 5 is a second scenario schematic diagram of a method for using an unlicensed spectrum provided by an embodiment of the present application.
- FIG. 6 is a schematic diagram of a supplementary uplink scenario provided by an embodiment of the present application.
- FIG. 7 is a schematic flowchart of a method for using an unlicensed spectrum provided by an embodiment of the present application.
- FIG. 8 is a schematic structural diagram of a communication apparatus provided by an embodiment of the present application.
- first and second in the description and drawings of the present application are used to distinguish different objects, or to distinguish different processing of the same object, rather than to describe a specific order of the objects.
- At least one means one or more
- “Plural” means two or more.
- a and/or B which can indicate: the existence of A alone, the existence of A and B at the same time, and the existence of B alone, where A, B can be singular or plural.
- A/B can represent A or B.
- references to the terms “comprising” and “having” in the description of this application, and any variations thereof, are intended to cover non-exclusive inclusion.
- a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes other unlisted steps or units, or optionally also Include other steps or units inherent to these processes, methods, products or devices.
- An embodiment of the present application provides a method for using an unlicensed spectrum, and the method for using an unlicensed spectrum is applied to a communication system with weak uplink coverage, so as to improve the uplink coverage capability of the communication system.
- a communication system with weak uplink coverage so as to improve the uplink coverage capability of the communication system.
- it can be applied to 5G systems, or subsequent evolution systems or other systems.
- FIG. 1 it is an exemplary architecture of a communication system to which this embodiment of the present application is applicable.
- the communication system includes network devices (such as network device 1 and network device 2 shown in FIG. 1 ) and terminal devices (such as terminal device 1 and terminal device 2 shown in FIG. 1 ).
- Communication between the above-mentioned network devices is possible. Communication between end devices is possible. Communication between network equipment and terminal equipment is also possible.
- the network device 2 is a device located on the network side of the above-mentioned communication system and has a wireless transceiver function, or a chip or a chip system that can be provided in the device, or other components with a network device function.
- the network device 2 is a device using an unlicensed frequency band.
- the network device 2 includes, but is not limited to: an access point (access point, AP) in a wireless fidelity (wireless fidelity, WiFi) system, such as a home gateway, a router, a server, a switch, a bridge, and the like.
- the network device 1 is a device located on the network side of the above-mentioned communication system and has a wireless transceiver function, or a chip or a chip system that can be provided in the device, or other components with a network device function.
- the network device 1 includes but is not limited to: an evolved Node B (evolved Node B, eNB), a radio network controller (radio network controller, RNC), a Node B (Node B, NB), a base station controller (base station controller, BSC), base transceiver station (base transceiver station, BTS), home base station (for example, home evolved NodeB, or home Node B, HNB), baseband unit (baseband unit, BBU), wireless relay node, wireless backhaul node,
- the transmission point (transmission and reception point, TRP or transmission point, TP), etc. can also be 5G, such as the gNB in the new radio (new radio, NR) system, or the transmission point (TRP or TP), in
- the above-mentioned terminal equipment is a terminal that is connected to the above-mentioned communication system and has a wireless transceiver function, or a chip or chip system that can be provided in the terminal, or other components with terminal functions.
- the terminal equipment may also be referred to as user equipment, access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or user equipment.
- the terminal device in the embodiment of the present application may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (virtual reality, VR) terminal device, an augmented reality (augmented reality, AR) terminal equipment, wireless terminals in industrial control, wireless terminals in self driving, wireless terminals in remote medical, wireless terminals in smart grid, transportation security ( Wireless terminals in transportation safety), wireless terminals in smart cities, wireless terminals in smart homes, vehicle-mounted terminals, RSUs with terminal functions, etc.
- the terminal device of the present application may also be an on-board module, on-board module, on-board component, on-board chip or on-board unit built into the vehicle as one or more components or units. , a vehicle-mounted chip or a vehicle-mounted unit may implement the method for using the unlicensed spectrum provided in this application.
- the number of network devices may be other, and the number of terminal devices may be other.
- the system architecture may further include other devices, which are not limited in this embodiment of the present application.
- the network architecture and service scenarios described in the embodiments of the present application are for the purpose of illustrating the technical solutions of the embodiments of the present application more clearly, and do not constitute limitations on the technical solutions provided by the embodiments of the present application.
- the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.
- FIG. 2 is a schematic diagram of a hardware structure of a communication device according to an embodiment of the present application.
- the communication device 400 includes at least one processor 401 , memory 403 and at least one transceiver 404 .
- the memory 403 may also be included in the processor 401 .
- the processor 401 may be composed of one or more processing units, and the processing unit may be a central processing unit (CPU), an application-specific integrated circuit (ASIC), or one or more processing units for controlling An integrated circuit implemented by the program program of this application.
- CPU central processing unit
- ASIC application-specific integrated circuit
- Communication lines may exist between the aforementioned components for transferring information between the components.
- the transceiver may be a module, a circuit, an interface, or any other device capable of implementing a communication function, and is used to communicate with other devices.
- the transceiver can be an independently set transmitter, and the transmitter can be used to send information to other devices, and the transceiver can also be an independently set receiver, used to receive information from other devices.
- the transceiver may also be a component that integrates the functions of sending and receiving information, and the specific implementation of the transceiver is not limited in this embodiment of the present application.
- the memory 403 may be read-only memory (ROM) or other types of storage modules that can store static information and instructions, random access memory (RAM), or other types that can store information and instructions dynamically
- the storage module can also be electrically erasable programmable read-only memory (electrically erasable programmable read-only memory, EEPROM), optical disc, magnetic disk or other magnetic storage devices.
- the memory may exist independently and be connected to the processor through a communication line. The memory can also be integrated with the processor.
- the memory 403 is used for storing computer-executed instructions, and the computer-executed instructions can be invoked by one or more processing units in the processor 401 to execute corresponding steps in each method provided in the following embodiments.
- the computer-executed instructions in the embodiments of the present application may also be referred to as application code, instructions, computer programs, or other names, which are not specifically limited in the embodiments of the present application.
- the communication device 400 may include multiple processors, such as the processor 401 and the processor 407 in FIG. 2 . Each of these processors can be a single-core processor or a multi-core processor.
- a processor herein may refer to one or more devices, circuits, and/or processing cores for processing data (eg, computer program instructions).
- the communication device 400 may further include an output device 405 and an input device 406 .
- the output device 405 is in communication with the processor 401 and can display information in a variety of ways.
- the output device 405 may be a liquid crystal display (LCD), a light emitting diode (LED) display device, a cathode ray tube (CRT) display device, or a projector (projector) Wait.
- Input device 406 is in communication with processor 401 and can receive user input in a variety of ways.
- the input device 406 may be a mouse, a keyboard, a touch screen device, a sensor device, or the like.
- FIG. 2 is an exemplary structural diagram of a communication device. It should be understood that the illustrated communication device is only an example, and in practical applications the communication device may have more or less components than those shown in FIG. 2, two or more components may be combined, Or can have different component configurations.
- the above-mentioned communication device 400 may be a general-purpose device or a dedicated device, and the embodiment of the present application does not limit the type of the communication device 400 .
- the terminal device or the network device may be a device having a similar structure in FIG. 2 .
- the slice access method provided by the embodiment of the present application includes the following steps:
- the network device obtains information of the target unlicensed frequency band.
- the network device may be the network device 1 shown in FIG. 1 .
- the network device may be a base station.
- the information of the target unlicensed frequency band includes one or a combination of the following information: RSRP, RSRQ, and SINR.
- the first condition may be a condition indicating signal quality or connection status, such as Wi-Fi connection status.
- the first condition includes: (1) reference signal receiving power (RSRP) is less than or equal to the first threshold, and/or, (2) reference signal receiving quality (reference signal receiving quality) , RSRQ) is less than or equal to the second threshold, and/or, (3) the signal to interference plus noise ratio (SINR) is less than or equal to the third threshold.
- RSRP reference signal receiving power
- RSRQ reference signal receiving quality
- SINR signal to interference plus noise ratio
- one or more target unlicensed frequency bands need to satisfy at least one of the three conditions (1)-(3).
- the first condition may also be other conditions for limiting signal quality, for example, a condition for indicating a channel quality indicator (channel quality indication, CQI).
- the first condition may further include: the CQI is less than or equal to a preset threshold. The embodiment of the present application does not limit the specific design of the first condition.
- the unlicensed frequency band that satisfies the first condition that is, the target unlicensed frequency band usually has poor signal quality. In this way, when the target unlicensed frequency band is used by different devices at the same time, the interference between the two can be reduced.
- the method includes the following steps:
- the network device sends the measurement configuration to one or more terminal devices.
- one or more terminal devices receive the measurement configuration from the network device.
- the measurement configuration includes measurement object configuration and measurement reporting configuration.
- the measurement object configuration includes measurement frequency point information.
- the frequency to be measured refers to the unlicensed frequency band. Unlicensed frequency bands may be unlicensed frequency bands used in various communication technologies. For example, when measuring the Wi-Fi working frequency band, the unlicensed frequency band to be measured is the frequency band in the range of 2.4GHz and 5GHz. The frequency band in the 5GHz range may be, for example, 5.15GHz-5.85GHz.
- the measurement frequency point information may be an absolute radio frequency channel number (absolute radio frequency channel number, ARFCN) of the frequency point to be measured, or a frequency point index or others.
- ARFCN absolute radio frequency channel number
- Measurement reporting configuration includes reporting value and reporting method.
- Reported values include but are not limited to RSRP and ⁇ or RSRQ and ⁇ or SINR and/or CQI. That is, the reported value is one or more of RSRP, RSRQ, SINR, and CQI.
- the units of RSRP, RSRQ, and SINR are dB.
- the reporting method can be periodic reporting or event reporting.
- Event reporting means that the terminal device reports the measurement results only when certain conditions are met.
- the network device configures the terminal device to periodically report the measurement result through the measurement configuration, it also needs to indicate the reporting period and other information in the measurement configuration.
- the network device configures the terminal device to report the measurement result eventually through the measurement configuration, it also needs to indicate in the measurement configuration an event that triggers the reporting of the measurement result.
- the event that triggers the reporting of the measurement result may be, for example, EventA1 or EventA2 or EventA3 or EventB2 or others.
- 3GPP 3rd generation partnership project
- the network device configures the terminal device to report measurement results that meet one or more of the following conditions through the above measurement configuration: measurement results of RSRP in the range of -156dBm to -31dBm; measurement results of RSRQ in the range of -43dB to 20dB; SINR measurements in the range of -23dB to 40dB.
- the specific numerical range can also be set separately, which is not limited in the embodiments of the present application.
- the network device may also configure the terminal device to report the measurement result of the CQI within a certain range. For the reporting conditions of RSRP, RSRQ, SINR, and CQI configured by the network device, see Table 2 below.
- One or more terminal devices measure the frequency point to be measured according to the measurement configuration.
- the center frequency of the unlicensed frequency band to be measured can be called the frequency to be measured.
- the measurement of the frequency point to be measured can also be understood as the measurement of the unlicensed frequency band to be measured.
- the terminal device measures RSRP and/or RSRQ and/or SINR and/or CQI of multiple Wi-Fi unlicensed frequency points.
- One or more terminal devices send one or more measurement reports to the network device.
- the network device receives one or more measurement reports from one or more terminal devices.
- the measurement report includes the measurement result of the preset index of the unlicensed frequency band to be measured; the preset index includes RSRP, and/or RSRQ, and/or SINR, that is, the preset index includes one or more of RSRP, RSRQ, SINR, and CQI .
- the terminal device may reuse the NR message interface MeasurementReport to report the measurement report to the network device, or the terminal device may report one or more measurement results corresponding to one or more unlicensed frequency bands to the network device through an independent message interface.
- the network device acquires information of the target unlicensed frequency band according to one or more measurement reports.
- RSRP and/or RSRQ and/or SINR and/or CQI that is, including one or more of RSRP, RSRQ, SINR, and CQI.
- the network device may deliver the measurement configuration to multiple terminal devices. Measure the unlicensed frequency points to be measured through multiple terminal devices.
- the network device may deliver the same measurement configuration to multiple terminal devices. For example, configure multiple terminal devices to measure RSRP, RSRQ, SINR, and CQI of the Wi-Fi unlicensed frequency band, and use the unlicensed frequency band that satisfies the first condition as the target unlicensed frequency band.
- the network device may deliver the same measurement configuration to some terminal devices, and deliver different measurement configurations to another part of the terminal devices.
- the network equipment configures terminal equipment 1 to terminal equipment 3 to measure the RSRP and RSRQ of the Wi-Fi unlicensed frequency band, and configures the terminal equipment 4 to 6 to measure the SINR and CQI of the Wi-Fi unlicensed frequency band.
- the network equipment configures terminal equipment 1 to terminal equipment 3 to measure RSRP, RSRQ, SINR and CQI in the 5GHz unlicensed frequency band of Wi-Fi, and configures terminal equipment 4 to 6 to measure the RSRP, RSRQ, and CQI in the 2.4 GHz unlicensed frequency band of Wi-Fi. RSRQ, SINR and CQI.
- the network device receives at least two measurement reports from at least two terminal devices, and acquires information on one or more unlicensed frequency bands according to multiple measurement results in the at least two measurement reports.
- the network equipment according to the measurement report of the first terminal equipment it is assumed to include the measurement results of RSRP, RSRQ, SINR and CQI of the 5GHz and 2.4GHz unlicensed frequency bands
- the second terminal equipment The measurement report (assuming that the measurement results of RSRP, RSRQ, SINR and CQI of the 5GHz and 2.4GHz unlicensed frequency bands are included), obtain information on one or more unlicensed frequency bands.
- the schematic diagram of the scene of this method can be seen in Fig. 4(b).
- the first condition is satisfied.
- the number of measurement results must be greater than or equal to the fourth threshold.
- the ratio of the number of measurement results satisfying the first condition to the number of measurement results not satisfying the first condition needs to be greater than or equal to the eighth threshold.
- the ratio of the number of measurement results satisfying the first condition to the total number of measurement results needs to be greater than or equal to the ninth threshold.
- the fourth threshold, the eighth threshold, and the ninth threshold can be flexibly set, which are not limited in this embodiment of the present application.
- the number of measurement results satisfying the first condition is greater than or equal to the fourth threshold.
- the preset time period is 1 minute
- 6 measurement results are collected within 1 minute
- the fourth threshold is 5.
- the measurement results of the 5.15GHz frequency point all meet the first condition
- the measurement results of the 5.15GHz frequency point do not meet the requirements first condition. Since the number of measurement results (5) satisfying the first condition is equal to the fourth threshold, it can be considered that the measurement results at most time points show that the signal quality of the 5.15GHz frequency is poor, so the 5.15GHz frequency can be used as the target unlicensed frequency band .
- the fourth threshold is 4.
- the measurement results of the 5.15 GHz frequency point all satisfy the first condition.
- the measurement result of the terminal 2 on the 5.15 GHz frequency point does not satisfy the first condition. Since the number of measurement results satisfying the first condition (5 measurement results from terminal, terminal 3 to terminal 6) is greater than the fourth threshold (ie, 4), it can be considered that the measurement results of most terminal devices indicate the signal quality of the 5.15GHz frequency point. If it is poor, the 5.15GHz frequency can be used as the target unlicensed frequency band.
- the network device may configure a collaboration group.
- the collaboration group may be, but not limited to, a device to device (device to device, D2D) collaboration group.
- the collaboration group includes at least two terminal devices.
- the network device sends the measurement configuration to some terminal devices in the cooperation group, and measures the unlicensed frequency band to be measured through the part of the terminal devices.
- a network device configures a cooperation group, and the cooperation group includes a first terminal device, a second terminal device, and a third terminal device.
- the network device sends the measurement configuration to the first terminal device and the second terminal device, and measures the unlicensed frequency band to be measured through the first terminal device and the second terminal device.
- the schematic diagram of the scene of this method can be seen in (b) of FIG. 5 .
- the number of measurement results that meet the first condition is different.
- the number of measurement results that meet the first condition is not limited, and the network device is based on one or more measurements reported by some terminal devices. As a result, information on the target unlicensed band can be obtained.
- the network device delivers the measurement configuration to the first terminal device and the second terminal device. If the measurement configuration indicates an eventual reporting of the measurement result, then at a certain point in time, the second terminal device may trigger an event to report the measurement result. , but the first terminal device has not yet triggered the event and has not reported the measurement result. In this case, the network device may first receive one or more measurement reports from the second terminal device; and obtain information on one or more unlicensed frequency bands according to the one or more measurement reports. The network device does not need to wait for the measurement report of the first terminal device.
- the network device obtains the information of the target unlicensed frequency band through fewer measurement reports.
- the signaling overhead caused by the transmission of the measurement configuration and the measurement report can be reduced.
- the network device transmits a signal on a supplementary uplink (supplementary uplink, SUL) based on the information of the target unlicensed frequency band, and the spectrum of the SUL includes the target unlicensed frequency band.
- a supplementary uplink supplementary uplink, SUL
- the target unlicensed frequency band is used as the SUL frequency domain resource of the network device. That is, in the embodiment of the present application, the SUL spectrum includes the target unlicensed frequency band.
- the base station configures an uplink (uplink, UL) carrier for uplink transmission and a downlink (downlink, DL) carrier for downlink transmission for a cell.
- the terminal 1 in the shaded area shown in FIG. 6 can send uplink information to the base station through the UL carrier, and receive downlink information from the base station through the DL carrier.
- the base station may also configure an SUL carrier for the cell.
- the router works in an unlicensed frequency band, and the base station instructs the terminal to detect one or more unlicensed frequency bands to obtain a target unlicensed frequency band with less interference to the base station, such as 2.4 GHz.
- the base station configures the 2.4GHz carrier as the SUL carrier of the cell.
- the terminal 2 in the larger elliptical area shown in FIG. 6 can send uplink information to the base station through the SUL carrier. It can be seen that compared with the downlink transmission in the shaded area shown in Figure 6, the terminal can not only perform uplink transmission in the shaded area, but also perform uplink transmission in the area outside the shaded area, which improves the uplink coverage capability of the network.
- the method for using the unlicensed spectrum uses the target unlicensed frequency band as the SUL communication of the network equipment, which expands the uplink spectrum of the 5G network, and can effectively improve the uplink coverage of the 5G network, and does not need to perform the communication between the carriers. Bundled use, the implementation is more flexible.
- the signal quality of the target unlicensed frequency band is weak, so even if the 5G network device and other devices (such as Wi-Fi routers) work in the same target unlicensed frequency band, due to the weak signal quality of the other device, it is not suitable for 5G
- the interference of network equipment is also small, which usually does not affect the normal use of 5G network equipment.
- An embodiment of the present application further provides a method for using an unlicensed spectrum. Referring to FIG. 7 , the method includes:
- the network device sends the measurement configuration to the terminal device.
- the terminal device receives the measurement configuration from the network device.
- the terminal device measures the frequency point to be measured according to the measurement configuration.
- the terminal device sends a measurement report to the network device.
- the network device receives the measurement report from the terminal device.
- a measurement report includes one or more measurement results.
- the network device determines the location information of the terminal device based on the measurement report.
- the network SINR network device determines that the terminal device is located outdoors. And/or, the RSRP is greater than the fifth threshold, and/or the RSRQ is greater than the sixth threshold, and/or greater than the seventh threshold, and the network device determines that the terminal device is located indoors.
- the second condition is any one of the following conditions or a combination of multiple conditions: RSRP is less than or equal to the fifth threshold, and RSRQ is less than or equal to the sixth threshold Threshold, the SINR is less than or equal to the seventh threshold;
- the third condition is any one of the following conditions or a combination of multiple conditions: RSRP is greater than the fifth threshold, RSRQ is greater than the sixth threshold, and SINR is greater than the seventh threshold .
- the above measurement result is a time series
- the network device may perform a series of processing on the time series, such as converting the time domain to the frequency domain.
- the network device determines the location information of the terminal device according to the processed measurement result.
- the network device may also combine other wireless information to assist in obtaining the location of the terminal device, so as to improve the location recognition accuracy.
- the other wireless information can be, for example, but not limited to, global positioning system (global positioning system, GPS) information.
- global positioning system global positioning system, GPS
- the network device can determine whether the terminal device is located indoors or outdoors according to the measurement report reported by the terminal device and the coordinates of the terminal device, so as to improve the location recognition accuracy.
- the size of the sequence numbers of the above-mentioned processes does not mean the sequence of execution, and the execution sequence of each process should be determined by its functions and internal logic, and should not be implemented in the present application.
- the implementation of the examples constitutes no limitation.
- a network device or other device includes corresponding hardware structures and/or software modules for executing each function.
- a network device or other device includes corresponding hardware structures and/or software modules for executing each function.
- Those skilled in the art should easily realize that the present application can be implemented in hardware or a combination of hardware and computer software with the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this application.
- functional modules may be divided for devices such as network devices or other devices (such as terminals).
- each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. middle.
- the above-mentioned integrated modules can be implemented in the form of hardware, and can also be implemented in the form of software function modules. It should be noted that, the division of modules in the embodiments of the present application is schematic, and is only a logical function division, and there may be other division manners in actual implementation.
- the communication device may be a network device or a device supporting the function of the network device (such as but not limited to a chip system).
- the communication device may include a transceiver unit 1610 and a processing unit 1620 .
- the transceiver unit 1610 is configured to support the network device to perform the above-mentioned steps S3011, S3013, S701, S703, and/or other processes for the techniques described herein.
- the processing unit 1620 is used to assist the network device in performing the above steps S302, S301, S3012, S3014, S704, and/or other processes for the techniques described herein.
- the communication device further includes a storage unit (not shown in FIG. 8 ).
- the storage unit is used to store program codes and data of the communication device, and the data may include but not limited to original data or intermediate data.
- the processing unit 1620 may be a controller or the processor 401 or the processor 407 shown in FIG. 2 , for example, a central processing unit (Central Processing Unit, CPU), a general-purpose processor, a digital signal processing ( Digital Signal Processing, DSP), Application Specific Integrated Circuit (ASIC), Field-Programmable Gate Array (FPGA) or other programmable logic devices, transistor logic devices, hardware components or any of its combination. It may implement or execute the various exemplary logical blocks, modules and circuits described in connection with this disclosure.
- a processor may also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a DSP and a microprocessor, and the like.
- the transceiver unit 1610 may be the transceiver 404 shown in FIG. 2 , or may be a transceiver circuit or the like.
- the storage unit may be the memory 403 shown in FIG. 2 .
- a computer program product includes one or more computer instructions.
- the computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
- Computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from a website site, computer, server, or data center over a wire (e.g. Coaxial cable, optical fiber, digital subscriber line (Digital Subscriber Line, DSL)) or wireless (such as infrared, wireless, microwave, etc.) means to transmit to another website site, computer, server or data center.
- a computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that includes an integration of one or more available media.
- Useful media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, Digital Video Disc (DVD)), or semiconductor media (eg, Solid State Disk (SSD)), etc. .
- the disclosed system, apparatus and method may be implemented in other manners.
- the device embodiments described above are only illustrative.
- the division of units is only a logical function division. In actual implementation, there may be other division methods.
- multiple units or components may be combined or integrated. to another system, or some features can be ignored, or not implemented.
- the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical or other forms.
- Units described as separate components may or may not be physically separated, and components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network devices (such as terminal devices). )superior. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each functional unit may exist independently, or two or more units may be integrated into one unit.
- the above-mentioned integrated unit may be implemented in the form of hardware, or may be implemented in the form of hardware plus software functional units.
- the present application can be implemented by means of software plus necessary general-purpose hardware, and of course hardware can also be used, but in many cases the former is a better implementation manner .
- the technical solutions of the present application can be embodied in the form of software products in essence, or the parts that make contributions to the prior art.
- the computer software products are stored in a readable storage medium, such as a floppy disk of a computer. , a hard disk or an optical disk, etc., including several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the various embodiments of the present application.
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Abstract
Description
Claims (22)
- 一种非授权频谱的使用方法,其特征在于,包括:获取目标非授权频段的信息;所述目标非授权频段的信息包括如下一项或多项信息的组合:参考信号接收功率RSRP、参考信号接收质量RSRQ、信干噪比SINR;基于所述目标非授权频段的信息,在增补上行链路SUL上传输信号,所述SUL的频谱包括所述目标非授权频段。
- 根据权利要求1所述的非授权频谱的使用方法,其特征在于,所述目标非授权频段满足如下任一项或多项第一条件:RSRP小于或等于第一门限,RSRQ小于或等于第二门限,SINR小于或等于第三门限。
- 根据权利要求2所述的非授权频谱的使用方法,其特征在于,所述获取目标非授权频段的信息,包括:从至少两个终端设备接收至少两个测量报告;每一测量报告包括一个或多个待测非授权频段中每一待测非授权频段的测量结果,每一待测非授权频段的测量结果包括所述待测非授权频段的如下任一项或多项信息:RSRP,RSRQ,SINR;根据所述至少两个测量报告中的多个测量结果,获取所述一个或多个待测非授权频段中满足所述第一条件的所述目标非授权频段的信息。
- 根据权利要求3所述的非授权频谱的使用方法,其特征在于,满足所述第一条件的测量结果数目大于或等于第四门限。
- 根据权利要求2所述的非授权频谱的使用方法,其特征在于,所述获取目标非授权频段的信息,包括:从第一终端设备接收一个或多个测量报告;每一测量报告包括一个或多个待测非授权频段中每一待测非授权频段的测量结果;每一待测非授权频段的测量结果包括所述待测非授权频段的如下任一项或多项信息:RSRP,RSRQ,SINR;所述获取目标非授权频段的信息,包括:根据所述一个或多个测量报告,获取所述一个或多个待测非授权频段中满足所述第一条件的所述目标非授权频段的信息;所述第一终端设备为配置的协作组中的终端设备;所述协作组包括至少两个终端设备。
- 根据权利要求1至5中任一项所述的非授权频谱的使用方法,其特征在于,所述方法还包括:从第二终端设备接收第一测量结果;基于所述第一测量结果,确定所述第二终端设备的位置信息。
- 根据权利要求6所述的非授权频谱的使用方法,其特征在于,所述基于所述第一测量结果,确定所述第二终端设备的位置信息,包括:若所述第一测量结果满足第二条件,确定所述第二终端设备位于室外;所述第二条件为如下任一个条件或多个条件的组合:RSRP小于或等于第五门限,RSRQ小于或等于第六门限,SINR小于或等于第七门限;若所述第一测量结果满足第三条件,则确定所述第二终端设备位于室内;所述第三条件为如下任一条件或多个条件的组合:RSRP大于第五门限,RSRQ大于第 六门限,SINR大于第七门限。
- 一种非授权频谱的使用方法,其特征在于,包括:从终端设备接收第一测量结果;所述第一测量结果包括待测非授权频段的如下任一项或多项信息:参考信号接收功率RSRP,参考信号接收质量RSRQ,信干噪比SINR;基于所述第一测量结果,确定所述终端设备的位置信息。
- 根据权利要求8所述的非授权频谱的使用方法,其特征在于,所述基于所述第一测量结果,确定所述终端设备的位置信息,包括:若所述第一测量结果满足第二条件,确定所述终端设备位于室外;所述第二条件为如下任一个条件或多个条件的组合:RSRP小于或等于第五门限,RSRQ小于或等于第六门限,SINR小于或等于第七门限;若所述第一测量结果满足第三条件,则确定所述终端设备位于室内;所述第三条件为如下任一条件或多个条件的组合:RSRP大于第五门限,RSRQ大于第六门限,SINR大于第七门限。
- 一种通信装置,其特征在于,包括:处理器,用于获取目标非授权频段的信息;所述目标非授权频段的信息包括如下一项或多项信息的组合:参考信号接收功率RSRP、参考信号接收质量RSRQ、信干噪比SINR;收发器,用于基于所述目标非授权频段的信息,在增补上行链路SUL上传输信号,所述SUL的频谱包括所述目标非授权频段。
- 根据权利要求10所述的通信装置,其特征在于,所述目标非授权频段满足如下任一项或多项第一条件:RSRP小于或等于第一门限,RSRQ小于或等于第二门限,SINR小于或等于第三门限。
- 根据权利要求11所述的通信装置,其特征在于,所述处理器,用于获取目标非授权频段的信息,包括:用于控制收发器从至少两个终端设备接收至少两个测量报告;每一测量报告包括一个或多个待测非授权频段中每一待测非授权频段的测量结果,每一待测非授权频段的测量结果包括所述待测非授权频段的如下任一项或多项信息:RSRP,RSRQ,SINR;还用于根据所述至少两个测量报告中的多个测量结果,获取所述一个或多个待测非授权频段中满足所述第一条件的所述目标非授权频段的信息。
- 根据权利要求12所述的通信装置,其特征在于,满足所述第一条件的测量结果数目大于或等于第四门限。
- 根据权利要求11所述的通信装置,其特征在于,所述处理器,用于获取目标非授权频段的信息,包括:用于控制收发器从第一终端设备接收一个或多个测量报告;每一测量报告包括一个或多个待测非授权频段中每一待测非授权频段的测量结果;每一待测非授权频段的测量结果包括所述待测非授权频段的如下任一项或多项信息:RSRP,RSRQ,SINR;还用于根据所述一个或多个测量报告,获取所述一个或多个待测非授权频段中满足所述第一条件的所述目标非授权频段的信息;所述第一终端设备为配置的协作组中的终端设备;所述协作组包括至少两个终端设备。
- 根据权利要求10至14中任一项所述的通信装置,其特征在于,所述收发器,还用于从第二终端设备接收第一测量结果;所述处理器,还用于基于所述第一测量结果,确定所述第二终端设备的位置信息。
- 根据权利要求15所述的通信装置,其特征在于,所述处理器,用于基于所述第一测量结果,确定所述第二终端设备的位置信息,包括:用于若所述第一测量结果满足第二条件,则确定所述第二终端设备位于室外;所述第二条件为如下任一个条件或多个条件的组合:RSRP小于或等于第五门限,RSRQ小于或等于第六门限,SINR小于或等于第七门限;若所述第一测量结果满足第三条件,则确定所述第二终端设备位于室内;所述第三条件为如下任一条件或多个条件的组合:RSRP大于第五门限,RSRQ大于第六门限,SINR大于第七门限。
- 一种通信装置,其特征在于,包括:收发器,用于从终端设备接收第一测量结果;所述第一测量结果包括待测非授权频段的如下任一项或多项信息:参考信号接收功率RSRP,参考信号接收质量RSRQ,信干噪比SINR;处理器,用于基于所述第一测量结果,确定所述终端设备的位置信息。
- 根据权利要求17所述的通信装置,其特征在于,所述处理器,用于基于所述第一测量结果,确定所述终端设备的位置信息,包括:用于若所述第一测量结果满足第二条件,则确定所述终端设备位于室外;所述第二条件为如下任一个条件或多个条件的组合:RSRP小于或等于第五门限,RSRQ小于或等于第六门限,SINR小于或等于第七门限;若所述第一测量结果满足第三条件,则确定所述终端设备位于室内;所述第三条件为如下任一条件或多个条件的组合:RSRP大于第五门限,RSRQ大于第六门限,SINR大于第七门限。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质上存储有计算机程序代码,所述计算机程序代码被处理电路执行时实现如权利要求1-7中任一项所述的方法,或实现如权利要求8或9所述的方法。
- 一种芯片系统,其特征在于,所述芯片系统包括处理电路、存储介质,所述存储介质中存储有计算机程序代码;所述计算机程序代码被所述处理电路执行时实现如权利要求1-7中任一项所述的方法,或实现如权利要求8或9所述的方法。
- 一种计算机程序产品,其特征在于,当所述计算机程序产品在计算机上运行时,使得所述计算机执行如权利要求1至7中任一项所述的方法,或执行权利要求8或9所述的方法。
- 一种通信装置,其特征在于,所述装置用于执行权利要求1-7任一项所述的 方法,或者,所述装置用于执行权利要求8或9所述的方法。
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