WO2022077165A1 - 一种反射设备波束管理方法、装置及相关设备 - Google Patents

一种反射设备波束管理方法、装置及相关设备 Download PDF

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Publication number
WO2022077165A1
WO2022077165A1 PCT/CN2020/120421 CN2020120421W WO2022077165A1 WO 2022077165 A1 WO2022077165 A1 WO 2022077165A1 CN 2020120421 W CN2020120421 W CN 2020120421W WO 2022077165 A1 WO2022077165 A1 WO 2022077165A1
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Prior art keywords
control information
beam control
reflection
terminal device
signal
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PCT/CN2020/120421
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English (en)
French (fr)
Inventor
高宽栋
颜矛
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华为技术有限公司
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Priority to PCT/CN2020/120421 priority Critical patent/WO2022077165A1/zh
Priority to CN202080106027.2A priority patent/CN116368889A/zh
Publication of WO2022077165A1 publication Critical patent/WO2022077165A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a method, apparatus and related equipment for beam management of reflection equipment.
  • Embodiments of the present application provide a method, device, and related equipment for beam management of reflection equipment, and the method is conducive to improving the coverage of high-frequency communication.
  • an embodiment of the present application provides a method for beam management of a reflection device, and the method is executed by a reflection device.
  • the reflection device receives beam control information from the network device, where the beam control information indicates a target beam; or, the beam control information indicates a plurality of beams.
  • the reflection device switches the beam for reflecting the signal to the terminal device according to the beam control information.
  • the reflection device can determine the beam used to reflect the signal to the terminal device by receiving the beam control information from the network device. coverage of frequency communication.
  • the reflecting device may switch the target beam to a beam for reflecting signals to the terminal device according to the identification of the target beam.
  • the reflection device can determine the target beam as the beam of the reflection device to reflect the signal to the terminal device through the identifier of the target beam carried in the beam control information, which is beneficial to make the reflected beam cover the area where the terminal device is located.
  • the beam control information further includes an identifier of a reflecting device corresponding to the target beam; or, the beam control information further includes waveform information of the received signal.
  • the beam steering information can also indicate which reflecting device is used to reflect the signal in an explicit manner or an implicit manner.
  • the reflecting device may switch the target beam to a beam for reflecting signals to the terminal device at the beam switching time according to the identification of the target beam.
  • the reflection device needs to perform beam switching at a specified time after receiving the beam control information, which is beneficial to reduce the delay.
  • the reflection device may perform full beam scanning on the multiple beams indicated by the beam control information, so as to switch the beam used for reflecting signals to the terminal device.
  • the reflection device can perform full beam scanning on the multiple beams according to the beam identifiers of the multiple beams, which is beneficial to improve the coverage area.
  • the beam steering information further includes one or more of the following: scan pattern of full beam scan, scan interval of full beam scan, scan duration of each of the multiple beams, scan duration of each beam The number of scans and the beam scan priority of each beam.
  • an embodiment of the present application provides a beam management method for a reflection device, and the method is executed by a network device.
  • the network device determines beam control information, where the beam control information indicates a target beam; or, the beam control information indicates multiple beams.
  • the network device sends the beam control information to the reflection device, where the beam control information is used for the reflection device to switch the beam of the reflected signal to the terminal device.
  • the network device can determine the beam control information and send the beam control information to the reflection device, so that the reflection device can switch the beam of the reflected signal to the terminal device according to the beam control information. It is beneficial to enable the reflected beam of the reflecting device to cover the area where the terminal device is located, avoid coverage blind spots, and thus improve the coverage of high-frequency communication.
  • the beam control information includes one or more of the following: the identifier of the target beam, the identifier of the reflecting device corresponding to the target beam, the waveform information of the received signal, and the beam switching time.
  • the beam steering information includes one or more of the following: an identifier of each of the multiple beams, a scan pattern of the full-beam scan, a scan interval of the full-beam scan, each of the multiple beams Scan duration for one beam, number of scans for each beam, beam scan priority for each beam.
  • the beam steering information is determined by the network device according to the RSRP of the reference signal.
  • the network device can determine the beam control information according to the RSRP of the reference signal measured by the terminal device, so that the beam that the reflection device switches to reflect the signal to the terminal device can cover the area where the terminal device is located, thereby improving the coverage efficiency.
  • an embodiment of the present application provides a beam management apparatus, where the beam management apparatus includes a transceiver unit and a processing unit.
  • the transceiver unit is configured to receive beam control information from a network device, where the beam control information indicates a target beam; or, the beam control information indicates multiple beams.
  • the processing unit is configured to switch the beam used to reflect the signal to the terminal device according to the beam control information.
  • the beam control information includes an identifier of the target beam;
  • the processing unit is configured to switch the beam used to reflect the signal to the terminal device according to the beam control information, and is specifically used for:
  • the target beam is switched to a beam for reflecting signals to the terminal device.
  • the beam control information further includes an identifier of a reflecting device corresponding to the target beam; or, the beam control information further includes waveform information of the received signal.
  • the beam control information further includes the beam switching time;
  • the processing unit is configured to switch the beam used to reflect the signal to the terminal device according to the beam control information, and is specifically used for:
  • the target beam is switched to the beam for reflecting the signal to the terminal device at the beam switching time.
  • the beam control information includes an identifier of each of the multiple beams; the processing unit is configured to switch the beam used to reflect the signal to the terminal device according to the beam control information, including:
  • the beam steering information further includes one or more of the following: scan pattern of full beam scan, scan interval of full beam scan, scan duration of each of the multiple beams, scan duration of each beam The number of scans and the beam scan priority of each beam.
  • an embodiment of the present application provides a beam management apparatus, where the beam management apparatus includes a transceiver unit and a processing unit.
  • the processing unit is configured to determine beam control information, where the beam control information indicates a target beam; or, the beam control information indicates multiple beams.
  • the transceiver unit is used for sending beam control information to the reflection device, where the beam control information is used for the reflection device to switch the beam of the reflected signal to the terminal device.
  • the beam control information includes one or more of the following: the identifier of the target beam, the identifier of the reflecting device corresponding to the target beam, the waveform information of the received signal, and the beam switching time.
  • the beam steering information includes one or more of the following: an identifier of each of the multiple beams, a scan pattern of the full-beam scan, a scan interval of the full-beam scan, each of the multiple beams Scan duration for one beam, number of scans for each beam, beam scan priority for each beam.
  • the beam steering information is determined by the network device according to the RSRP of the reference signal.
  • an embodiment of the present application provides a reflection device, where the reflection device includes a processor for implementing the functions or methods involved in the first aspect above, and the terminal device may be, for example, a chip system.
  • the terminal device further includes a memory, and the memory is used for storing necessary program instructions and data to implement the functions of the method described in the first aspect above.
  • an embodiment of the present application provides a network device, where the network device includes a processor for implementing the functions or methods involved in the second aspect above, and the terminal device may be, for example, a chip system.
  • the terminal device further includes a memory, and the memory is used for storing necessary program instructions and data to implement the functions of the method in the second aspect above.
  • an embodiment of the present application provides a computer-readable storage medium, where the computer-readable storage medium includes a program or an instruction, and when the program or instruction is run on a computer, causes the computer to execute the first aspect or the first aspect method in any of the possible implementations.
  • an embodiment of the present application provides a computer-readable storage medium, where the computer-readable storage medium includes a program or an instruction, and when the program or instruction is run on a computer, the computer executes the second aspect or the second aspect method in any of the possible implementations.
  • the chip system in the above aspects may be a system on chip (system on chip, SOC), or a baseband chip, etc.
  • the baseband chip may include a processor, a channel encoder, a digital signal processor, a modem, an interface module, and the like.
  • an embodiment of the present application provides a chip or a chip system, the chip or chip system includes at least one processor and an interface, the interface and the at least one processor are interconnected through a line, and the at least one processor is used for running a computer program or instruction, to perform the method described in any one of the first aspect or any of the possible implementations of the first aspect.
  • an embodiment of the present application provides a chip or a chip system, the chip or chip system includes at least one processor and an interface, the interface and the at least one processor are interconnected through a line, and the at least one processor is used for running a computer program or instruction, to perform the method described in any one of the second aspect or any of the possible implementations of the second aspect.
  • the interface in the chip may be an input/output interface, a pin or a circuit, or the like.
  • the chip or chip system described above in this application further includes at least one memory, where instructions are stored in the at least one memory.
  • the memory may be a storage unit inside the chip, such as a register, a cache, etc., or a storage unit of the chip (eg, a read-only memory, a random access memory, etc.).
  • 1 is a schematic diagram of a relay network
  • FIG. 2 is a schematic diagram of a communication network of a reflection device according to an embodiment of the present application.
  • 3a is a schematic diagram of a communication flow of a reflection device
  • 3b is a schematic diagram of a communication link between a network device and a reflection device
  • FIG. 4 is a schematic flowchart of a method for beam management of a reflection device provided by an embodiment of the present application
  • FIG. 5 is a schematic flowchart of beam management of a reflection device according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of scanning times and beam scanning priorities provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a beam management apparatus provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a reflection device provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of another beam management apparatus provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a network device according to an embodiment of the application.
  • the development of mobile services requires higher and higher data rate and efficiency of wireless communication.
  • the new generation mobile communication system such as 5G system
  • the 5G system can adopt high-frequency communication.
  • high-frequency communication is limited by the propagation distance and has limited coverage. Therefore, how to improve the coverage of high-frequency communication has become a problem to be solved.
  • the scheme 1 adopts the beamforming technology, which can limit the energy of the transmitted signal within a certain beam direction, thereby increasing the receiving efficiency of the signal.
  • Beamforming technology can effectively expand the transmission range of wireless signals and reduce signal interference, thereby achieving higher communication efficiency and obtaining higher network capacity.
  • beamforming alone cannot cover all areas.
  • wireless communication signals are seriously attenuated due to scatterers or obstacles in the environment, and even with the help of high-gain beams, better communication performance cannot be obtained.
  • high-frequency signals in these areas have very small coverage due to beamforming, so there is no multipath to reach these blind spots. That is to say, the first solution cannot solve the coverage problem of high-frequency communication very well.
  • Scheme 2 proposes a relay scheme, as shown in Figure 1.
  • the network device may communicate with the terminal device directly, or communicate with the terminal device by means of a repeater.
  • Both network equipment and terminal equipment can adopt beamforming, so that the signal energy is concentrated in the beam direction and the transmission performance is improved.
  • the repeater exists, the signal can be effectively expanded, so that the network device can communicate with the terminal device that is far away (such as the terminal device 1 in FIG. 1 ).
  • the commonly used repeaters are usually divided into two types, one is an amplification and forwarding relay, and the other is a decoding and forwarding relay.
  • the amplifying and forwarding relay can amplify and transmit the received signal after being processed by the radio frequency circuit.
  • the decoding and forwarding relay can decode the received signal, then re-encode and forward the data after a series of signal processing, so as to realize the communication between the network device and the terminal device.
  • the time and frequency resources for the repeater to work are generally scheduled through the network.
  • the terminal equipment is generally unaware of the existence of the repeater, that is, the repeater is transparent to the terminal equipment.
  • the repeater can extend the coverage, it requires relatively high signal processing and consumes a lot of power, which makes deployment difficult. And if the decoding and forwarding relay is adopted, it may also lead to high signal processing delay.
  • Scheme 3 proposes to use reflection equipment to reflect the signals of network equipment and terminal equipment, thereby improving the coverage of network equipment and reducing network construction costs.
  • FIG. 2 is a communication network architecture of a reflection device.
  • the communication network architecture includes network equipment, reflection equipment and terminal equipment.
  • the network device can directly transmit signals to the terminal device; or, if the terminal device is in the blind area of the network device, the network device can transmit the beam signal to the reflection device, and the reflection device then reflects the beam signal to the terminal device.
  • the terminal device can also transmit the beam signal to the reflection device, and the reflection device can reflect the beam signal of the terminal device to the network device.
  • each reflection unit When each reflection unit is in the reflection state, it can directly reflect the signal received on the antenna.
  • the use of the reflection device can enhance the reception performance of the received signal, and the reflection device does not have a complex transceiver circuit, and only needs a simple on-off circuit to control signal reflection, which is relatively simple and has low power consumption.
  • the reflection device does not need to analyze the reflected signal, and has no noise amplification, delay and security issues.
  • a communication flow of a reflection device is shown in Figure 3a.
  • the beam 1 can become any one of the two beam directions after passing through the reflector, for example, the first one is the beam 4, and the second one is the beam 5, as shown in Fig. 3a.
  • the reflected beam of the reflecting device is invisible, that is to say, the terminal device will think that beams 1 to 4 are all beams transmitted by the network device, and the terminal device will think that the received synchronization signal broadcast channel block (synchronization signal/physical broadcast channel block, SSB) will simply be signals sent from different beams.
  • synchronization signal broadcast channel block synchronization signal/physical broadcast channel block, SSB
  • the beam reflected by the existing reflection device can only cover a small part of the blind area, and cannot improve the coverage of high-frequency communication.
  • the link between the network device and the reflecting device is fixed, only the same beam is used for communication, as shown in Figure 3b.
  • the network device and the reflection device only use beam 1 for communication, and the reflection of beam 1 by the reflection device includes reflected beams in two directions of beam 4 and beam 5 . If the coverage area of beam 4 and beam 5 does not include the area where the terminal equipment is located, such as the area where the terminal equipment 2 is located in Figure 3b, then for the network equipment and the terminal equipment 2, the network equipment still cannot cover the blind area where the terminal equipment 2 is located. It also cannot improve the coverage of high-frequency communication.
  • an embodiment of the present application provides a beam management method for a reflection device, which is beneficial to improve the coverage of high-frequency communication.
  • the scenarios involved in the embodiments of the present application include network devices, reflection devices, and terminal devices.
  • it may be a communication network of a reflection device as shown in FIG. 2 .
  • the network device may be a device that can communicate with the terminal device.
  • a network device may be a base station, a relay station, or an access point.
  • the base station may be a 5G base station or a new radio (NR) base station or a 6G base station.
  • the network device may also be a wireless controller in a cloud radio access network (cloud radio access network, CRAN) scenario.
  • the network device may also be a network device in a future 5G network or a network device in a future evolved PLMN network.
  • the network device can also be a wearable device or a vehicle-mounted device.
  • the network device may also be an exciter or a receiver in this embodiment of the present application.
  • the terminal device may be user equipment (UE), access terminal, UE unit, UE station, mobile station, mobile station, remote station, remote terminal, mobile device, UE terminal, terminal, wireless communication device, UE proxy or UE devices, etc.
  • the access terminal may be a cellular telephone, a cordless telephone, a session initiation protocol (SIP) telephone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in future 5G networks or terminal devices in future evolved PLMN networks, etc.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • the reflective device can be an array antenna with multiple antenna elements with reflective function, an active array antenna panel, or a passive array antenna panel, a smart reflective panel, a non-intelligent reflective panel, or an array antenna controlled by electronic devices. panels, mechanically controlled array antenna panels, etc.
  • a beam is a communication resource.
  • the beam forming technology may be beamforming technology or other technical means.
  • the beamforming technology may include digital beamforming technology, analog beamforming technology, and hybrid digital/analog beamforming technology. Different beams can be characterized by different resources. The same information or different information can be sent through different beams.
  • multiple beams with the same or similar communication characteristics may be regarded as one beam.
  • One or more antenna ports can be included in a beam for transmitting data channels, control channels and sounding signals, etc.
  • a beam has certain directivity or characteristics in space.
  • a transmit beam can refer to the distribution of signal strengths formed in different directions in space after a signal is transmitted by an antenna
  • a receive beam can refer to the wireless signal received from the antenna. Signal strength distribution in different directions in space.
  • one or more antenna ports forming a beam can also be regarded as an antenna port set.
  • the embodiment of the beam in the protocol can still be a spatial filter (spatial filter), for example, a transmission beam is a spatial domain transmission filter (spatial domain transmission filter), for example, a receiving beam is a spatial domain receiver filter (spatial domain receiver filter).
  • a spatial filter spatial filter
  • a transmission beam is a spatial domain transmission filter (spatial domain transmission filter)
  • a receiving beam is a spatial domain receiver filter (spatial domain receiver filter).
  • the transmission beam and the reception beam are the same, which can mean that the spatial filtering used for transmission and the spatial filtering used for reception are the same.
  • the beam can be represented by the quasi co-location (QCL) relationship of the antenna ports.
  • QCL quasi co-location
  • two signals of the same beam have a QCL relationship with respect to the spatial Rx parameter.
  • the beam can be specifically represented by various signal identifiers in the protocol, such as the resource index of the channel state information reference signal (CSI-RS), the synchronous signal broadcast channel block (synchronous signal physical)
  • CSI-RS channel state information reference signal
  • SSB synchronous signal broadcast channel block
  • SRS resource index of sounding reference signal
  • TRS resource index of tracking reference signal
  • the SSB may correspond to one or more OFDM symbols.
  • the SSB includes at least one of the following: primary synchronization signal (PSS), secondary synchronization signal (SSS), physical broadcast channel block (PBCH), demodulation reference signal (demodulation reference signal) , DMRS).
  • PSS primary synchronization signal
  • SSS secondary synchronization signal
  • PBCH physical broadcast channel block
  • demodulation reference signal demodulation reference signal
  • DMRS demodulation reference signal
  • SSB can also be called SS/PBCH block or SS block. Multiple signals in an SS block or SS/PBCH block can be transmitted on the same antenna port.
  • Beam scanning refers to beamforming the PBCH and PDCCH control channels with different weights in different time slots, so that each beam is transmitted in different directions of the cell to compensate for the strong coverage of each beam but the coverage area.
  • Narrow disadvantage Use time for space to achieve effective coverage in all directions of the entire cell.
  • FIG. 4 is a method for beam management of a reflection device provided by an embodiment of the present application, and the method may be implemented by interaction among a network device, a reflection device, and a terminal device.
  • the method may include the following steps:
  • the network device determines beam control information, where the beam control information indicates a target beam; or, the beam control information refers to multiple beams;
  • the network device sends beam control information to the reflection device; correspondingly, the reflection device receives the beam control information;
  • the reflection device switches the beam used to reflect the signal to the terminal device according to the beam control information.
  • S401 may also be included, in which the terminal device sends the reference signal received power RSRP of the reference signal to the network device.
  • the reference signal measured by the terminal device is the reference signal indicated by the network device, and the reference signal may be SSB or CSI-RS, which is not limited in this embodiment. That is to say, the network device configures the reference signal for the terminal device, and the terminal device measures.
  • the reference signal configured by the network device for the terminal device includes SSB 1, SSB 2, SSB 3, and SSB 4.
  • SSB 1 and SSB 2 correspond to beam 1 and beam 2 of the network device, respectively
  • SSB 3 and SSB 4 correspond to beam 4 and beam 5 of the reflecting device, respectively. That is, the terminal device can measure the RSRP of the beam of the network device, and the RSRP of the beam of the reflecting device.
  • the terminal device may measure the reference signal to obtain the RSRP of the reference signal.
  • the method for obtaining the RSRP of the reference signal by the terminal device may refer to a commonly used RSRP obtaining method, which is not limited in this embodiment.
  • the terminal device when the terminal device measures the RSRP of the reference signals, it may not be able to measure all the reference signals (for example, the reference signals that are not within the measurement range of the terminal). Then, the terminal device may only report the RSRP of the measured part of the signals in the reference signal to the network device.
  • the reference signals indicated by the network device include SSB 1, SSB 2, SSB 3, and SSB 4, but the reference signals actually measured by the terminal device include SSB 1, SSB 2, and SSB 3, then the terminal device sends the reference signal to the network device.
  • RSRP only includes RSRP 1 corresponding to SSB 1, RSRP 2 corresponding to SSB 2, and RSRP 3 corresponding to SSB 3.
  • the network device receives the RSRP of the reference signal reported by the terminal device, and can determine the beam control information according to the RSRP of the reference signal.
  • the beam control information indicates the target beam, or the beam control information indicates multiple beams used for full beam scanning. That is, the beam control information may indicate whether the beam switching performed by the reflection device is single beam switching or multi-beam switching.
  • the network device may use one or more bits to instruct the reflection device to switch, or use a sequence to instruct the reflection device to switch, which is not limited in this embodiment.
  • the beam control information when the beam control information indicates the target beam, that is, when the beam control information indicates that the beam switching performed by the reflection device is single beam switching, the beam control information includes an identifier of the target beam. Then, the reflecting device can switch the target beam to a beam for reflecting signals to the terminal device according to the identification of the target beam.
  • the beam steering information includes the identification of the target beam as beam 5 . After receiving the beam control information, the reflecting device switches the beam 5 to a beam for reflecting signals to the terminal device according to the identification of the target beam.
  • the beam control information further includes an identifier of the reflection device corresponding to the target beam. That is to say, the beam control information may explicitly indicate the identity of the target beam and the identity of the reflecting device corresponding to the target beam. For example, one or more bits in the beam control information indicate that the identifier of the target beam is beam 5 , and the other one or more bits indicate that the identifier of the reflection device corresponding to the target beam is reflection device 1 .
  • the reflection device can determine whether the beam control information is the beam control information sent to the current reflection device according to the identification of the reflection device included in the beam control information. .
  • the reflection device 1 receives the beam control information sent by the network device, and the beam control information includes the identification of the reflection device corresponding to the target beam as the reflection device 2, then the reflection device 1 determines that the beam control information is not for the reflection device 1. the beam steering information, no action will be taken.
  • the beam steering information further includes waveform information of the received signal. That is, the beam control information may implicitly indicate the identity of the target beam and/or the identity of the reflecting device corresponding to the target beam.
  • the waveform information of the received signal may be the envelope of the received signal, and the reflection device may determine the reflection direction according to the envelope of the received signal, so as to determine the beam for reflecting the signal to the terminal device.
  • the beam control information further includes beam switching time.
  • the beam switching time may be a time point or a time period.
  • the beam switching time is the time point at which the switching is completed when the reflection device performs beam switching, or the beam switching time is the time point when the beam switching starts when the reflection device performs beam switching.
  • the beam switching time is a period of time from the start of switching to the completion of the switching of the reflection device designated by the network device. If the beam control information does not include the beam switching time, when the reflective device performs beam switching, it can complete the beam switching within the time period specified in the agreement after receiving the beam control information according to the time specified in the agreement. For example, if the beam switching time specified in the protocol is 2 seconds (s), the reflecting device needs to complete the beam switching within 2s after receiving the beam control information.
  • the beam control information may be broadcast information sent by a network device.
  • the network device may also use an independent scrambling code to scramble the beam steering information.
  • the beam steering information when the beam steering information indicates multiple beams for full beam scanning, that is, when the beam steering information indicates that the beam switching performed by the reflection device is multi-beam switching, the beam steering information includes multiple beams for full beam scanning.
  • the identity of each of the beams For example, some information bits in the beam control information are used to indicate the identification of each beam in the multiple beams on which the reflection device performs full beam scanning, for example, including beam 1, beam 2, and beam 3.
  • the beam steering information further includes a scanning mode of full beam scanning.
  • the scanning pattern within the scanning interval is defined as the scanning duration of different beams. That is, according to the scanning mode in the beam steering information, the reflection device can determine the scanning duration of each beam and the scanning interval of the full beam scanning.
  • the beam scanning indicates that the current beam always covers a fixed area during the duration of the beam scanning.
  • FIG. 5 is a beam management process of a reflection device provided by an embodiment of the present application.
  • the reflecting device has K beams, the scanning duration of beam 1 is T 1 , the scanning duration of beam 2 is T 2 , and so on, the scanning duration of beam K is T K .
  • beam 1 always covers area 1 for the scanning duration T 1 of beam 1 .
  • the terminal equipment in area 1 can receive the information reflected by beam 1.
  • the scan mode defines the values of T 1 , T 2 . . . T K and the polling time of the K beams, that is, the length of the scan interval.
  • the beam steering information may not include the scanning mode of full beam scanning. If the beam steering information does not include the scanning mode, the reflection device can perform full beam scanning according to the scanning mode specified in the protocol.
  • the beam steering information further includes a scan duration of each beam in the multiple beams of the full beam scan, and a scan interval of the full beam scan. That is, the beam steering information may directly indicate the scan duration of each beam and the scan interval of the full beam scan.
  • the scanning duration of each beam refers to the length of time during which the reflection device scans each beam.
  • the scan duration of each beam can be expressed as the start time interval of two adjacent beam scans, as shown in FIG. 5 .
  • the scan duration of each beam may also be the same time T, that is, the scan duration of each beam is the same in a scan interval.
  • the beam steering information indicates the scanning duration of each beam and is mainly used to eliminate the timing error of the reflector.
  • the beam steering information further includes the scan times of each beam in the multiple beams scanned by the full beam.
  • the scan times of each beam can also represent the scan duration of each beam.
  • one scan can correspond to a fixed time (such as 1s). If the scan times of beam 1 is 3 times, it means that the scan times of beam 1 The scan duration is 3s.
  • the network device may configure the scanning times of each beam to be the same, that is, in a scanning interval, the scanning durations corresponding to the scanning times of each beam are the same.
  • the beam steering information further includes the beam scanning priority of each beam.
  • the beam scanning priority is related to the scanning times of each beam.
  • FIG. 6 is a schematic diagram of the number of scans and the priority of beam scanning provided by an embodiment of the present application.
  • the network device can configure two scan times, one is beam scanning in a longer time period T1, and the other is beam scanning in a shorter time period T2, where both T1 and T2 contain at least one scanning interval, and the time of T1 The length is greater than the time length of T2.
  • T1 and T2 may be interleaved, that is, T1 may include T2, as shown in FIG. 6 .
  • the beam scanning of T1 has a first priority
  • the beam scanning of T2 has a second priority, wherein the first priority is higher than the second priority.
  • time t1 time t1 as shown in Figure 6, which is located in the overlapping area of T1 and T2
  • the beam scanning of T1 instructs beam 1 to cover
  • the beam scan of T2 instructs beam 2 to cover. Since the beam scanning priority of T1 is higher than the beam scanning priority of T2, at this time, the beam scanning of T1 instructs beam 1 to cover, and the beam scanning of T2 does not cover.
  • the reflection device After the reflection device receives the beam control information sent by the network device, the reflection device can perform beam switching. That is, the reflection device switches the beam for reflecting the signal to the terminal device according to the beam control information. For example, if the beam control information indicates that the target beam is beam 1, the reflection device switches beam 1 to a beam for reflecting signals to the terminal device. For another example, if the beam control information indicates that the target beam is a plurality of beams, including beam 1, beam 2, and beam K, the reflecting device can perform full beam scanning on beam 1, beam 2, and beam K, so as to switch for reflecting to the terminal device. signal beam.
  • the reflection device may also send feedback information to the network device, where the feedback information is used to instruct the reflection device to receive the beam control information. That is to say, when the reflection device receives the beam control information from the network device, it can feedback whether the beam control information is successfully received. Optionally, if the reflection device does not receive the beam control information, the reflection device does not provide feedback.
  • the feedback information sent by the reflecting device to the network device may also indicate that the beam switching of the reflecting device is successful. That is, after the reflection device receives the beam control information from the network device, performs beam switching, and the beam switching is successful, the feedback information sent by the reflection device to the network device includes the beam control information received and the beam switching is successful.
  • the feedback information sent by the reflection device to the network device may be feedback by using a sequence, or may be multiplexed with PUCCH for feedback, which is not limited in this embodiment.
  • the network device sends a signal to the reflection device; correspondingly, the reflection device receives the signal from the network device; S408, the reflection device reflects the signal to the terminal device; correspondingly, the terminal device receives the signal from the terminal device. Reflect the signal from the device.
  • the reflecting device can switch the beam for reflecting the signal to the terminal device according to the received beam control information. Then, when the reflecting device reflects the signal to the terminal device, it reflects the signal to the terminal device through the beam indicated by the beam control information.
  • An embodiment of the present application provides a beam management method of a reflection device, and the method can be executed by a reflection device.
  • the reflection device receives beam control information from the network device, where the beam control information indicates the target beam or multiple beams.
  • the reflection device switches the beam used to reflect the signal to the terminal device according to the beam control information. It can be seen that the network device instructs the reflection device to reflect the signal beam to the terminal device, and the reflection device can switch to the corresponding beam, so that the reflected beam can cover the corresponding terminal device, which is beneficial to improve the coverage of high-frequency communication.
  • the beam management apparatus 700 may be used to implement the beam management method of the reflection device in the embodiment of the present application.
  • the beam management apparatus 700 may include:
  • a transceiver unit 701 configured to receive beam control information from a network device, where the beam control information indicates a target beam; or, the beam control information indicates multiple beams;
  • the processing unit 702 is configured to switch the beam used to reflect the signal to the terminal device according to the beam control information.
  • the beam control information includes an identifier of the target beam;
  • the processing unit 702 is configured to switch the beam used to reflect the signal to the terminal device according to the beam control information, and is specifically used for:
  • the target beam is switched to a beam for reflecting signals to the terminal device.
  • the beam control information further includes an identifier of a reflecting device corresponding to the target beam; or, the beam control information further includes waveform information of the received signal.
  • the beam control information further includes the beam switching time;
  • the processing unit 702 is configured to switch the beam used to reflect the signal to the terminal device according to the beam control information, and is specifically used for:
  • the target beam is switched to the beam for reflecting the signal to the terminal device at the beam switching time.
  • the beam control information includes an identifier of each of the multiple beams; the processing unit 702 is configured to switch the beam used to reflect the signal to the terminal device according to the beam control information, including:
  • the beam steering information further includes one or more of the following: scan pattern of full beam scan, scan interval of full beam scan, scan duration of each of the multiple beams, scan duration of each beam Number of scans, beam scan priority for each beam.
  • FIG. 8 is a schematic structural diagram of a reflection device provided by an embodiment of the present application.
  • the reflection device may be a device (eg, a chip) having the beam management function of the reflection device described in the embodiment of the present application.
  • the reflection device 800 may include a transceiver 801 , at least one processor 802 and a memory 803 .
  • the transceiver 801, the processor 802 and the memory 803 may be connected to each other through one or more communication buses, or may be connected to each other in other ways. In this embodiment, a bus connection is used as an example, as shown in FIG. 8 .
  • the transceiver 801 may be used to transmit or receive data.
  • transceiver 801 may receive beam steering information. It can be understood that the transceiver 801 is a general term and may include a receiver and a transmitter.
  • the processor 802 may be used to process data.
  • the processor 802 may include one or more processors, for example, the processor 802 may be one or more central processing units (CPUs), network processors (NPs), hardware chips or any combination thereof .
  • the processor 802 is a CPU, the CPU may be a single-core CPU or a multi-core CPU.
  • the memory 803 is used for storing program codes and the like.
  • the memory 803 may include volatile memory, such as random access memory (RAM).
  • the memory 803 may also include non-volatile memory (non-volatile memory), such as read-only memory (ROM), flash memory (flash memory), hard disk drive (HDD) or solid state hard disk ( solid-state drive, SSD).
  • ROM read-only memory
  • flash memory flash memory
  • HDD hard disk drive
  • SSD solid state hard disk
  • Memory 803 may also include a combination of the above-described types of memory.
  • transceiver 801 and processor 802 may be used to implement the reflection device beam management method in this embodiment of the present application, where the specific implementation is as follows:
  • a transceiver 801 configured to receive beam control information from a network device, where the beam control information indicates a target beam; or, the beam control information indicates a plurality of beams;
  • the processor 802 is configured to switch the beam for reflecting the signal to the terminal device according to the beam control information.
  • the beam control information includes an identifier of the target beam; the processor 802 is configured to switch the beam used to reflect the signal to the terminal device according to the beam control information, and is specifically used for:
  • the target beam is switched to a beam for reflecting signals to the terminal device.
  • the beam control information further includes an identifier of a reflecting device corresponding to the target beam; or, the beam control information further includes waveform information of the received signal.
  • the beam control information further includes the beam switching time;
  • the processor 802 is configured to switch the beam used to reflect the signal to the terminal device according to the beam control information, and is specifically used for:
  • the target beam is switched to the beam used to reflect the signal to the terminal device at the beam switching time.
  • the beam control information includes an identifier of each of the multiple beams; the processor 802 is configured to switch the beam used to reflect the signal to the terminal device according to the beam control information, including:
  • the beam steering information further includes one or more of the following: scan pattern of full beam scan, scan interval of full beam scan, scan duration of each of the multiple beams, scan duration of each beam Number of scans, beam scan priority for each beam.
  • the beam management apparatus 900 may be used to implement the beam management method of the reflection device in the embodiment of the present application.
  • the beam management apparatus 900 may include:
  • a processing unit 901 configured to determine beam control information, where the beam control information indicates a target beam; or, the beam control information indicates multiple beams;
  • the transceiver unit 902 is configured to send beam control information to the reflection device, where the beam control information is used for the reflection device to switch the beam of the reflected signal to the terminal device.
  • the beam control information includes one or more of the following: an identifier of a target beam, an identifier of a reflection device corresponding to the target beam, waveform information of a received signal, and beam switching time.
  • the beam steering information includes one or more of the following: an identifier of each of the plurality of beams, a scanning mode of the full-beam scanning, a scanning interval of the full-beam scanning, each of the plurality of beams The scan duration of the beam, the number of scans per beam, the beam scan priority for each beam.
  • the beam control information is determined by the network device according to the RSRP of the reference signal.
  • FIG. 10 is a schematic structural diagram of a network device provided by an embodiment of the present application.
  • the network device may be a device (eg, a chip) having the beam management function described in the embodiment of the present application.
  • the network device 1000 may include a transceiver 1001 , at least one processor 1002 and a memory 1003 .
  • the transceiver 1001, the processor 1002 and the memory 1003 may be connected to each other through one or more communication buses, or may be connected to each other in other ways. In this embodiment, a bus connection is used as an example, as shown in FIG. 10 .
  • the transceiver 1001 may be used to transmit or receive data.
  • the transceiver 1001 may transmit beam steering information to a reflective device. It is understood that the transceiver 1001 is a general term and may include a receiver and a transmitter.
  • the processor 1002 may be used to process data.
  • the processor 1002 may include one or more processors, for example, the processor 1002 may be one or more central processing units (CPUs), network processors (NPs), hardware chips, or any combination thereof .
  • the processor 1002 is a CPU, the CPU may be a single-core CPU or a multi-core CPU.
  • the memory 1003 is used for storing program codes and the like.
  • the memory 1003 may include volatile memory, such as random access memory (RAM).
  • the memory 1003 may also include non-volatile memory (non-volatile memory), such as read-only memory (ROM), flash memory (flash memory), hard disk drive (HDD) or solid state hard disk ( solid-state drive, SSD).
  • non-volatile memory such as read-only memory (ROM), flash memory (flash memory), hard disk drive (HDD) or solid state hard disk ( solid-state drive, SSD).
  • ROM read-only memory
  • flash memory flash memory
  • HDD hard disk drive
  • SSD solid state hard disk
  • the transceiver 1001 and the processor 1002 described above may be used to implement the beam management method of the reflection device in the embodiment of the present application, wherein the specific implementation is as follows:
  • a processor 1002 configured to determine beam control information, where the beam control information indicates a target beam; or, the beam control information indicates multiple beams;
  • the transceiver 1001 is configured to send beam control information to the reflection device, where the beam control information is used for the reflection device to switch the beam of the reflected signal to the terminal device.
  • the beam control information includes one or more of the following: an identifier of a target beam, an identifier of a reflection device corresponding to the target beam, waveform information of a received signal, and beam switching time.
  • the beam steering information includes one or more of the following: an identifier of each of the plurality of beams, a scanning mode of the full-beam scanning, a scanning interval of the full-beam scanning, each of the plurality of beams The scan duration of the beam, the number of scans per beam, the beam scan priority for each beam.
  • the beam control information is determined by the network device according to the RSRP of the reference signal.
  • An embodiment of the present application provides a computer-readable storage medium, where a program or an instruction is stored in the computer-readable storage medium, and when the program or instruction is run on a computer, the computer is made to execute the reflection device beam management in the embodiment of the present application method.
  • An embodiment of the present application provides a chip or a chip system, the chip or chip system includes at least one processor and an interface, the interface and the at least one processor are interconnected by a line, and the at least one processor is used to run a computer program or instruction to perform the present application Reflection device beam method in an embodiment.
  • the interface in the chip may be an input/output interface, a pin or a circuit, or the like.
  • the chip system in the above aspects may be a system on chip (system on chip, SOC), or a baseband chip, etc.
  • the baseband chip may include a processor, a channel encoder, a digital signal processor, a modem, an interface module, and the like.
  • the chip or chip system described above in this application further includes at least one memory, where instructions are stored in the at least one memory.
  • the memory may be a storage unit inside the chip, such as a register, a cache, etc., or a storage unit of the chip (eg, a read-only memory, a random access memory, etc.).
  • 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 (DSL)) or wireless (eg 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, a data center, or the like that includes an integration of one or more available media.
  • the available media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, high-density digital video discs (DVDs)), or semiconductor media (eg, solid state disks, SSD)) etc.

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Abstract

本申请实施例提供一种反射设备波束管理方法、装置及相关设备，其中，反射设备接收来自网络设备的波束控制信息，该波束控制信息指示目标波束或者多个波束。反射设备根据波束控制信息，切换用于向终端设备反射信号的波束。可见，通过网络设备向反射设备指示用于向终端设备反射信号的波束，反射设备可以切换至对应的波束，从而使得反射波束可以覆盖到对应的终端设备，有利于提高高频通信的覆盖范围。

Description

一种反射设备波束管理方法、装置及相关设备 技术领域
本申请涉及通信技术领域，尤其涉及一种反射设备波束管理方法、装置及相关设备。
背景技术
移动业务的发展对无线通信的数据速率和效率要求越来越高。特别是高频通信受传播距离的限制，覆盖范围有限。目前可以使用波束成形技术将传输信号的能量限制在某个波束方向内，从而增加信号的接收效率。但是，只通过波束成形技术不能够完全解决高频通信中的覆盖问题。例如，被建筑物遮挡的盲区，这些区域高频信号由于波束成形的原因，导致其信号的覆盖范围很小，因此没有多径到达这些盲区。目前还可以采用反射通信，即在基站与终端之间添加反射设备，通过反射设备进行信号的反射，从而覆盖盲区。但是，现有的反射设备反射的波束只能覆盖小部分盲区，无法提高高频通信的覆盖范围。
发明内容
本申请实施例提供一种反射设备波束管理方法、装置及相关设备，该方法有利于提高高频通信的覆盖范围。
第一方面，本申请实施例提供一种反射设备波束管理方法，该方法由反射设备所执行。其中，反射设备接收来自网络设备的波束控制信息，该波束控制信息指示目标波束；或者，该波束控制信息指示多个波束。反射设备根据该波束控制信息，切换用于向终端设备反射信号的波束。
可见，反射设备通过接收来自网络设备的波束控制信息，可以确定用于向终端设备反射信号的波束，有利于使得反射设备的反射波束可以覆盖到终端设备所在区域，避免出现覆盖盲区，从而提高高频通信的覆盖范围。
在一种可能的设计中，反射设备可以根据目标波束的标识，将目标波束切换为用于向终端设备反射信号的波束。
可见，反射设备通过波束控制信息中携带的目标波束的标识，可以确定目标波束为反射设备向终端设备反射信号的波束，有利于使反射波束覆盖终端设备所在区域。
在一种可能的设计中，波束控制信息还包括目标波束对应的反射设备的标识；或者，波束控制信息还包括接收信号的波形信息。
可见，当一个小区内有多个反射设备时，波束控制信息还可以通过显式方式或者隐式方式指示使用哪一个反射设备反射信号。
在一种可能的设计中，反射设备可以根据目标波束的标识，在波束切换时间将目标波束切换为用于向终端设备反射信号的波束。
可见，反射设备在收到波束控制信息后需要在指定的时间进行波束切换，有利于降低时延。
在一种可能的设计中，反射设备可以对波束控制信息指示的多个波束进行全波束扫描，以切换用于向终端设备反射信号的波束。
可见，反射设备可以根据多个波束的波束标识，对多个波束进行全波束扫描，有利于提高覆盖区域。
在一种可能的设计中，波束控制信息还包括以下一种或多种：全波束扫描的扫描模式、全波束扫描的扫描间隔、多个波束中的每一个波束的扫描持续时间、每一个波束的扫描次数、每一个波束的波束扫描优先级。
第二方面，本申请实施例提供一种反射设备波束管理方法，该方法由网络设备所执行。其中，网络设备确定波束控制信息，该波束控制信息指示目标波束；或者，该波束控制信息指示多个波束。网络设备向反射设备发送该波束控制信息，该波束控制信息用于反射设备切换向终端设备反射信号的波束。
可见，网络设备可以确定波束控制信息，并向反射设备发送该波束控制信息，使得反射设备可以根据该波束控制信息切换向终端设备反射信号的波束。有利于使得反射设备的反射波束可以覆盖到终端设备所在区域，避免出现覆盖盲区，从而提高高频通信的覆盖范围。
在一种可能的设计中，波束控制信息包括以下一种或多种：目标波束的标识、目标波束对应的反射设备的标识、接收信号的波形信息、波束切换时间。
在一种可能的设计中，波束控制信息包括以下一种或多种：多个波束中的每一个波束的标识、全波束扫描的扫描模式、全波束扫描的扫描间隔、多个波束中的每一个波束的扫描持续时间、每一个波束的扫描次数、每一个波束的波束扫描优先级。
在一种可能的设计中，波束控制信息是网络设备根据参考信号的RSRP确定的。
可见，网络设备可以根据终端设备测量的参考信号的RSRP确定波束控制信息，使得反射设备切换用于向终端设备反射信号的波束可以覆盖到终端设备所在区域，从而提高覆盖的效率。
第三方面，本申请实施例提供一种波束管理装置，该波束管理装置包括收发单元和处理单元。其中，收发单元用于接收来自网络设备的波束控制信息，该波束控制信息指示目标波束；或者，该波束控制信息指示多个波束。处理单元用于根据波束控制信息，切换用于向终端设备反射信号的波束。
在一种可能的设计中，波束控制信息包括目标波束的标识；处理单元用于根据波束控制信息，切换用于向终端设备反射信号的波束，具体用于：
根据目标波束的标识，将目标波束切换为用于向终端设备反射信号的波束。
在一种可能的设计中，波束控制信息还包括目标波束对应的反射设备的标识；或者，波束控制信息还包括接收信号的波形信息。
在一种可能的设计中，波束控制信息还包括波束切换时间；处理单元用于根据波束控制信息，切换用于向终端设备反射信号的波束，具体用于：
根据目标波束的标识，在波束切换时间将目标波束切换为用于向终端设备反射信号的波束。
在一种可能的设计中，波束控制信息包括多个波束中的每一个波束的标识；处理单元用于根据波束控制信息，切换用于向终端设备反射信号的波束，包括：
对多个波束进行全波束扫描，以切换用于向终端设备反射信号的波束。
在一种可能的设计中，波束控制信息还包括以下一种或多种：全波束扫描的扫描模式、全波束扫描的扫描间隔、多个波束中的每一个波束的扫描持续时间、每一个波束的扫描次数、每一个波束的波束扫描优先级。
第四方面，本申请实施例提供了一种波束管理装置，该波束管理装置包括收发单元和处理单元。其中，处理单元用于确定波束控制信息，该波束控制信息指示目标波束；或者，该波束控制信息指示多个波束。收发单元用于向反射设备发送波束控制信息，该波束控制信息用于反射设备切换向终端设备反射信号的波束。
在一种可能的设计中，波束控制信息包括以下一种或多种：目标波束的标识、目标波束对应的反射设备的标识、接收信号的波形信息、波束切换时间。
在一种可能的设计中，波束控制信息包括以下一种或多种：多个波束中的每一个波束的标识、全波束扫描的扫描模式、全波束扫描的扫描间隔、多个波束中的每一个波束的扫描持续时间、每一个波束的扫描次数、每一个波束的波束扫描优先级。
在一种可能的设计中，波束控制信息是网络设备根据参考信号的RSRP确定的。
第五方面，本申请实施例提供一种反射设备，该反射设备包括处理器，用于实现上述第一方面中所涉及的功能或方法，该终端设备例如可以是芯片系统。在一种可行的实现方式中，所述终端设备还包括存储器，所述存储器，用于保存实现上述第一方面所述方法的功能必要的程序指令和数据。
第六方面，本申请实施例提供一种网络设备，该网络设备包括处理器，用于实现上述第二方面中所涉及的功能或方法，该终端设备例如可以是芯片系统。在一种可行的实现方式中，所述终端设备还包括存储器，所述存储器，用于保存实现上述第二方面所述方法的功能必要的程序指令和数据。
第七方面，本申请实施例提供一种计算机可读存储介质，该计算机可读存储介质包括程序或指令，当所述程序或指令在计算机上运行时，使得计算机执行第一方面或第一方面中任一种可能实现方式中的方法。
第八方面，本申请实施例提供一种计算机可读存储介质，该计算机可读存储介质包括程序或指令，当所述程序或指令在计算机上运行时，使得计算机执行第二方面或第二方面中任一种可能实现方式中的方法。
上述方面中的芯片系统可以是片上系统(system on chip，SOC)，也可以是基带芯片等，其中基带芯片可以包括处理器、信道编码器、数字信号处理器、调制解调器和接口模块等。
第九方面，本申请实施例提供一种芯片或者芯片系统，该芯片或者芯片系统包括至少一个处理器和接口，接口和至少一个处理器通过线路互联，至少一个处理器用于运行计算机程序或指令，以进行第一方面或第一方面的任一种可能的实现方式中任一项所描述的方法。
第十方面，本申请实施例提供一种芯片或者芯片系统，该芯片或者芯片系统包括至少一个处理器和接口，接口和至少一个处理器通过线路互联，至少一个处理器用于运行计算机程序或指令，以进行第二方面或第二方面的任一种可能的实现方式中任一项所描述的方法。
其中，芯片中的接口可以为输入/输出接口、管脚或电路等。
在一种可能的实现中，本申请中上述描述的芯片或者芯片系统还包括至少一个存储器，该至少一个存储器中存储有指令。该存储器可以为芯片内部的存储单元，例如，寄存器、缓存等，也可以是该芯片的存储单元(例如，只读存储器、随机存取存储器等)。
附图说明
图1为一种中继网络的示意图；
图2为本申请实施例提供的一种反射设备的通信网络的示意图；
图3a为一种反射设备的通信流程示意图；
图3b为一种网络设备与反射设备之间的通信链路的示意图；
图4为本申请实施例提供的一种反射设备波束管理方法的流程示意图；
图5为本申请实施例提供的一种反射设备的波束管理流程示意图；
图6为本申请实施例提供的一种扫描次数和波束扫描优先级的示意图；
图7为本申请实施例提供的一种波束管理装置的结构示意图；
图8为本申请实施例提供的一种反射设备的结构示意图；
图9为本申请实施例提供的另一种波束管理装置的结构示意图；
图10为本申请实施例提供的一种网络设备的结构示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述。
为了便于理解本申请的技术方案，下面首先对相关的背景技术进行介绍。
移动业务的发展对无线通信的数据速率和效率要求越来越高。其中，以新一代移动通信系统(如5G系统)为例，5G系统可以采用高频通信。但是，高频通信受传播距离的限制，覆盖范围有限。因此，如何提高高频通信的覆盖范围成为一个待解决的问题。
目前，可以采用三种方案来提高高频通信的覆盖范围。其中，方案一采用波束成形技术，可以将传输信号的能量限制在某个波束方向内，从而增加信号的接收效率。波束成形技术能够有效扩大无线信号的传输范围，降低信号干扰，从而达到更高的通信效率和获取更高的网络容量。但是，对于高频通信来说，只使用波束成形技术还是不能够覆盖所有区域。尤其是对于非视距传输，无线通信信号由于环境中的散射体或者阻挡物导致衰减严重，即使借助于高增益的波束，依然无法获得比较好的通信性能。例如，被建筑物遮挡的盲区，这些区域高频信号由于波束成形的原因，导致其信号的覆盖范围很小，因此没有多径到达这些盲区。也就是说，方案一并不能很好地解决高频通信的覆盖问题。
方案二提出一种中继方案，如图1所示。其中，网络设备可以直接与终端设备进行通信，或者借助于中继器与终端设备进行通信。网络设备和终端设备都可以采取波束成型，使得信号能量集中于波束方向，提升传输性能。当中继器存在时，可以有效地扩大了信号，使得网络设备可以与距离较远的终端设备(如图1中的终端设备1)进行通信。
其中，目前常用的中继器通常分为两种，一种为放大转发中继，一种为译码转发中继。其中放大转发中继可以将接收到的信号，经过射频电路的处理后，放大并发射。译码转发中继则可以对接收信号进行译码，然后重新编码和经过一系列的信号处理后，将数据转发，以实现网络设备和终端设备之间的通信。中继器工作的时间和频率资源，一般是通过网络 调度。终端设备一般是不知道中继器的存在的，即中继器对于终端设备来说是透明的。
但是，中继器虽然可以扩展覆盖范围，但是对信号处理要求比较高，功耗比较大，造成部署困难。并且如果采用译码转发中继，还可能导致信号处理时延较高。
方案三提出采用反射设备来反射网络设备和终端设备的信号，从而提高网络设备的覆盖范围，降低建网成本。请参见图2，图2为一种反射设备的通信网络架构。其中，该通信网络架构包括网络设备、反射设备和终端设备。其中，网络设备可以直接发射信号给终端设备；或者，若终端设备在网络设备的盲区，网络设备可以使用波束信号发射给反射设备，反射设备再将波束信号反射给终端设备。可以理解的是，终端设备也可以发射波束信号给反射设备，反射设备可以将终端设备的波束信号反射给网络设备。
其中，反射设备上面有多个反射单元，如图2所示。每个反射单元在处于反射状态时，可以对天线上接收到的信号直接进行反射。采用反射设备可以增强接收信号的接收性能，并且反射设备没有复杂的收发电路，只需要简单的通断电路控制信号反射，比较简单而且功耗低。反射设备无需对反射信号进行解析，无噪声放大，时延和安全性等问题。
举例来说，一种反射设备的通信流程如图3a所示。其中，波束1经过反射器之后可以变为两个波束方向中的任意一个，例如，第一个为波束4，第二个为波束5，如图3a所示。但是，对于终端设备来说，反射设备的反射波束是不可见的，也就是说，终端设备会认为波束1～波束4都是网络设备发射的波束，终端设备认为接收到的同步信号广播信道块(synchronization signal/physical broadcast channel block，SSB)只会是从不同的波束发送的信号。
但是，现有的反射设备反射的波束只能覆盖小部分盲区，无法提高高频通信的覆盖范围。例如，由于网络设备与反射设备之间的链路是固定的，只使用相同的波束进行通信，如图3b所示。其中，网络设备和反射设备只使用波束1进行通信，而反射设备对波束1的反射包括波束4和波束5两个方向的反射波束。若波束4和波束5的覆盖区域不包括终端设备所在区域，如图3b中的终端设备2所在区域，那么对于网络设备和终端设备2来说，网络设备还是无法覆盖终端设备2所在的盲区，也就无法提高高频通信的覆盖范围。
可见，上述方案一至方案三都未能解决高频通信的覆盖范围小，无法实现对全部盲区的覆盖的问题。
为了解决上述问题，本申请实施例提供一种反射设备波束管理方法，该方法有利于提高高频通信的覆盖范围。
其中，本申请实施例所涉及的场景包含网络设备、反射设备和终端设备。例如，可以是如图2所示的一种反射设备的通信网络。其中，网络设备可以是能和终端设备通信的设备。例如，网络设备可以是基站、中继站或接入点。其中，基站可以是5G基站或者新无线(new radio，NR)基站或6G基站。网络设备还可以是云无线接入网络(cloud radio access network，CRAN)场景下的无线控制器。网络设备还可以是未来5G网络中的网络设备或者未来演进的PLMN网络中的网络设备。网络设备还可以是可穿戴设备或车载设备。网络设备在本申请实施例当中也可以为激励器或者为接收器。
终端设备可以是用户设备(user equipment，UE)、接入终端、UE单元、UE站、移动站、移动台、远方站、远程终端、移动设备、UE终端、终端、无线通信设备、UE代理或 UE装置等。接入终端可以是蜂窝电话、无绳电话、会话启动协议(session initiation protocol，SIP)电话、无线本地环路(wireless local loop，WLL)站、个人数字处理(personal digital assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，未来5G网络中的终端设备或者未来演进的PLMN网络中的终端设备等。
反射设备可以是具有反射功能的多天线阵元的阵列天线，可以为有源的阵列天线面板，也可以是无源的阵列天线面板、智能反射面板、非智能反射面板、电子器件控制的阵列天线面板、机械控制的阵列天线面板等。
为便于理解本申请实施例，下面对本申请实施例所涉及的技术术语进行描述。
波束：波束是一种通信资源。形成波束的技术可以是波束成形技术或者其他技术手段。其中，波束成形技术可以包括数字波束成形技术、模拟波束成形技术、混合数字/模拟波束成形技术。不同的波束可以通过不同的资源表征。通过不同的波束可以发送相同的信息或者不同的信息。
可选的，可以将具有相同或者类似的通信特征的多个波束视为是一个波束。一个波束内可以包括一个或多个天线端口，用于传输数据信道，控制信道和探测信号等。一个波束在空间上具有一定指向性或者特征，例如，发射波束可以是指信号经天线发射出去后在空间不同方向上形成的信号强度的分布，接收波束可以是指从天线上接收到的无线信号在空间不同方向上的信号强度分布。可以理解的是，形成一个波束的一个或多个天线端口也可以看作是一个天线端口集。
其中，波束在协议中的体现还是可以空域滤波器(spatial filter)，例如发送波束即发送空域滤波(spatial domain transmission filter)，例如接收波束即发送空域滤波(spatial domain receiver filter)。发送波束和接收波束相同，可以指发送使用的空域滤波和接收使用的空域滤波相同。
在目前的NR协议中，波束可通过天线端口准共址(quasi co-location，QCL)关系体现。具体地，两个同波束的信号具有关于空域接收参数(spatial Rx parameter)的QCL关系。可选的，波束在协议中具体地可以通过各种信号的标识来表示，例如信道状态信息参考信号(channel state information reference signal，CSI-RS)的资源索引，同步信号广播信道块(synchronous signal physical broadcast channel block，SSB)的资源索引，探测参考信号(sounding reference signal，SRS)的资源索引，跟踪参考信号(tracking reference signal，TRS)的资源索引。
其中，SSB可以对应一个或多个OFDM符号。SSB中包含以下至少一项：主同步信号(primary synchronization signal，PSS)、辅同步信号(secondary synchronization signal，SSS)、物理广播信号(physical broadcast channel block，PBCH)、解调参考信号(demodulation reference signal，DMRS)。SSB也可以称为SS/PBCH block或SS block。SS block或者SS/PBCH block中的多个信号可以是以相同的天线端口发送。
波束扫描：波束扫描指的是在不同时隙内，采用不同权值对PBCH和PDCCH控制信道进行波束赋形，使得每个波束朝向小区不同方向进行发射，来弥补每个波束覆盖能力强但覆盖面较窄的缺点。用时间换空间，实现全小区所有方向上的有效覆盖。
下面将结合具体的实施例进行描述。
请参见图4，图4为本申请实施例提供的一种反射设备波束管理方法，该方法可以由网络设备、反射设备和终端设备之间的交互实现。该方法可以包括以下步骤：
S402，网络设备确定波束控制信息，波束控制信息指示目标波束；或者，波束控制信息指多个波束；
S404，网络设备向反射设备发送波束控制信息；对应的，反射设备接收波束控制信息；
S406，反射设备根据波束控制信息，切换用于向终端设备反射信号的波束。
可选的，在S402之前，还可以包括S401，终端设备向网络设备发送参考信号的参考信号接收功率RSRP。
其中，在S401中，终端设备测量的参考信号为网络设备所指示的参考信号，该参考信号可以为SSB或者CSI-RS，本实施例不作限定。也就是说，网络设备为终端设备配置参考信号，终端设备测量例如，网络设备为终端设备配置的参考信号包括SSB 1、SSB 2、SSB 3和SSB 4。其中，SSB 1和SSB 2分别对应的是网络设备的波束1和波束2，SSB 3和SSB 4分别对应的是反射设备的波束4和波束5。也就是说，终端设备可以测量网络设备的波束的RSRP，以及反射设备的波束的RSRP。终端设备接收到参考信号之后，可以对参考信号进行测量，获取参考信号的RSRP。其中，终端设备获取参考信号的RSRP的方法可以参考常用的RSRP获取方法，本实施例不作限定。
可选的，终端设备在测量参考信号的RSRP时，可能不能测量到所有的参考信号(例如不在终端测量范围内的参考信号)。那么终端设备可以只向网络设备上报参考信号中已测量到的部分信号的RSRP。例如，网络设备指示的参考信号包括SSB 1、SSB 2、SSB 3和SSB 4，但是终端设备实际测量到的参考信号包括SSB 1、SSB 2和SSB 3，则终端设备向网络设备发送参考信号的RSRP只包括SSB 1对应的RSRP 1，SSB 2对应的RSRP 2和SSB 3对应的RSRP 3。
网络设备接收终端设备上报的参考信号的RSRP，可以根据参考信号的RSRP来确定波束控制信息。其中，波束控制信息指示目标波束，或者，波束控制信息指示用于全波束扫描的多个波束。也就是说，波束控制信息可以指示反射设备进行的波束切换为单波束切换还是多波束切换。可选的，网络设备可以采用一个或多个比特来指示反射设备进行切换，或者，采用序列来指示反射设备进行切换，本实施例不作限定。
在一种示例中，当波束控制信息指示目标波束，即波束控制信息指示反射设备进行的波束切换为单波束切换时，波束控制信息包括目标波束的标识。那么反射设备可以根据目标波束的标识，将目标波束切换为用于向终端设备反射信号的波束。例如，波束控制信息包括目标波束的标识为波束5。反射设备收到波束控制信息后，根据目标波束的标识，将波束5切换为用于向终端设备反射信号的波束。
可选的，当一个小区内包括多个反射设备时，波束控制信息还包括目标波束对应的反射设备的标识。也就是说，波束控制信息可以显式地指示目标波束的标识以及目标波束对应的反射设备的标识。例如，波束控制信息中的一个或多个比特指示目标波束的标识为波束5，另外一个或多个比特指示目标波束对应的反射设备的标识为反射设备1。在一实施方式中，若波束控制信息为网络设备发送的广播信息，反射设备可以根据波束控制信息中包 括的反射设备的标识，来判断该波束控制信息是否为发送给当前反射设备的波束控制信息。例如，若反射设备1收到网络设备发送的波束控制信息，该波束控制信息中包括目标波束对应的反射设备的标识为反射设备2，那么反射设备1确定该波束控制信息不为针对反射设备1的波束控制信息，将不执行任何操作。
可选的，波束控制信息还包括接收信号的波形信息。也就是说，波束控制信息可以隐式地指示目标波束的标识和/或目标波束对应的反射设备的标识。例如，接收信号的波形信息可以是接收信号的包络，反射设备可以根据该接收信号的包络，确定反射方向，从而可以确定用于向终端设备反射信号的波束。
可选的，波束控制信息还包括波束切换时间。其中，波束切换时间可以是一个时间点，也可以是一个时间段。例如，波束切换时间为反射设备进行波束切换时切换完成的时间点，或者，波束切换时间为反射设备进行波束切换时开始切换的时间点。又例如，波束切换时间为网络设备指定的反射设备从开始切换到切换完成的一段时间。若波束控制信息中不包括波束切换时间，那么反射设备在进行波束切换时，可以按照协议规定的时间，在接收到波束控制信息之后的协议规定的时间段内，完成波束切换。例如，若协议规定的波束切换时间为2秒(s)，那么反射设备在接收到波束控制信息之后的2s内需要完成波束切换。
可选的，波束控制信息可以是网络设备发送的广播信息。为了避免其他终端设备解调该波束控制信息，网络设备还可以使用独立的加扰码对波束控制信息进行加扰。
在一种示例中，当波束控制信息指示用于全波束扫描的多个波束，即波束控制信息指示反射设备进行的波束切换为多波束切换时，波束控制信息包括用于全波束扫描的多个波束中的每一个波束的标识。例如，波束控制信息中的部分信息比特用于指示反射设备进行全波束扫描的多个波束中的每一个波束的标识，例如包括波束1、波束2和波束3。
可选的，波束控制信息还包括全波束扫描的扫描模式。其中，扫描间隔内的扫描模式定义为不同波束的扫描持续时间。也就是说，根据波束控制信息中的扫描模式，反射设备可以确定每一个波束的扫描持续时间和全波束扫描的扫描间隔。其中，根据波束扫描的定义，波束扫描表示的是当前波束在波束扫描持续时间内一直覆盖固定的区域。
举例来说，请参见图5，图5为本申请实施例提供的一种反射设备的波束管理流程。其中，反射设备有K个波束，波束1的扫描持续时间为T 1，波束2的扫描持续时间为T 2，以此类推，波束K的扫描持续时间为T K。在图5所示的扫描间隔内，在波束1的扫描持续时间T 1内，波束1一直覆盖区域1。那么区域1中的终端设备可以接收波束1反射的信息。其中，结合图5可以理解，扫描模式定义了T 1、T 2…T K的值，以及K个波束轮询的时间，即扫描间隔的长度。
可选的，波束控制信息也可以不包括全波束扫描的扫描模式。若波束控制信息不包括扫描模式，那么反射设备可以按照协议规定的扫描模式进行全波束扫描。
可选的，波束控制信息还包括全波束扫描的多个波束中的每一个波束的扫描持续时间、全波束扫描的扫描间隔。也就是说，波束控制信息可以直接指示每一个波束的扫描持续时间和全波束扫描的扫描间隔。其中，每一个波束的扫描持续时间是指反射设备对每一个波束进行扫描的时间长度。例如，每一个波束的扫描持续时间可以表示为两个相邻波束扫描的起始时间间隔，如图5所示。在一实施方式中，每一个波束的扫描持续时间也可以是相 同的时间T，也就是说，在一个扫描间隔中，每一个波束的扫描持续时间都相同。需要注意的是，波束控制信息指示了每一个波束的扫描持续时间，主要用于消除反射器的定时误差。
可选的，波束控制信息还包括全波束扫描的多个波束中的每一个波束的扫描次数。其中，每一个波束的扫描次数也可以表示每一个波束的扫描持续时间，例如，一次扫描可以对应一个固定的时间(如1s)，若波束1的扫描次数为3次，也即表示波束1的扫描持续时间为3s。网络设备可以将每一个波束的扫描次数配置为相同的次数，也就是说，在一个扫描间隔中，每一个波束的扫描次数对应的扫描持续时间相同。
可选的，波束控制信息还包括每一个波束的波束扫描优先级。具体的，波束扫描优先级与每一个波束的扫描次数有关。
举例来说，请参见图6，图6为本申请实施例提供的一种扫描次数和波束扫描优先级的示意图。其中，网络设备可以配置两种扫描次数，一种是较长时间段T1的波束扫描，一种是较短时间段T2的波束扫描，其中T1和T2都包含至少一个扫描间隔，而且T1的时间长度大于T2的时间长度。可选的，T1和T2可以是相互交织的，即T1中可以包含T2，如图6所示。
其中，T1的波束扫描具有第一优先级，T2的波束扫描具有第二优先级，其中，第一优先级高于第二优先级。例如，当两个时间段的波束扫描有冲突的时候，在某一时刻t1(如图6所示的时刻t1，该时刻位于T1和T2的重叠区域)，T1的波束扫描指示波束1进行覆盖，而T2的波束扫描指示波束2进行覆盖。由于T1的波束扫描优先级高于T2的波束扫描优先级，则此时T1的波束扫描指示波束1进行覆盖，T2的波束扫描不进行覆盖。
当反射设备接收到网络设备发送的波束控制信息之后，反射设备可以进行波束切换。也就是说，反射设备根据波束控制信息，切换用于向终端设备反射信号的波束。例如，波束控制信息指示目标波束为波束1，那么反射设备将波束1切换为用于向终端设备反射信号的波束。又例如，波束控制信息指示目标波束为多个波束，包括波束1、波束2直至波束K，那么反射设备可以对波束1、波束2直至波束K进行全波束扫描，以切换用于向终端设备反射信号的波束。
可选的，当反射设备接收到网络设备发送的波束控制信息之后，反射设备还可以向网络设备发送反馈信息，该反馈信息用于指示反射设备收到波束控制信息。也就是说，当反射设备接收到来自网络设备的波束控制信息时，可以进行反馈是否成功接收到波束控制信息。可选的，若反射设备没有接收到波束控制信息，则反射设备不进行反馈。
可选的，反射设备向网络设备发送的反馈信息还可以指示反射设备波束切换成功。也就是说，当反射设备接收到来自网络设备的波束控制信息之后，进行波束切换，并且波束切换成功，那么反射设备向网络设备发送的反馈信息包括接收到波束控制信息，并且波束切换成功。
其中，反射设备向网络设备发送反馈信息可以是采用序列进行反馈，也可以复用PUCCH进行反馈，本实施例不作限定。
可选的，在S406之后，还可以包括S407，网络设备向反射设备发送信号；对应的，反射设备接收来自网络设备的信号；S408，反射设备向终端设备反射信号；对应的，终端 设备接收来自反射设备的信号。
其中，反射设备根据接收到的波束控制信息之后，可以切换用于向终端设备反射信号的波束。那么反射设备向终端设备反射信号时，是通过波束控制信息指示的波束向终端设备反射信号。
本申请实施例提供一种反射设备波束管理方法，该方法可以由反射设备所执行。其中，反射设备接收来自网络设备的波束控制信息，该波束控制信息指示目标波束或者多个波束。反射设备根据波束控制信息，切换用于向终端设备反射信号的波束。可见，通过网络设备向反射设备指示用于向终端设备反射信号的波束，反射设备可以切换至对应的波束，从而使得反射波束可以覆盖到对应的终端设备，有利于提高高频通信的覆盖范围。
以下结合图7至图10详细说明本申请实施例的装置及相关设备。
本申请实施例提供一种波束管理装置，如图7所示，该波束管理装置700可用于实现本申请实施例中的反射设备波束管理方法。具体的，该波束管理装置700可以包括：
收发单元701，用于接收来自网络设备的波束控制信息，该波束控制信息指示目标波束；或者，该波束控制信息指示多个波束；
处理单元702，用于根据波束控制信息，切换用于向终端设备反射信号的波束。
具体实现方式，请参考图4实施例中对波束控制信息以及反射设备进行波束切换的详细描述，在此不再赘述。
在一种实现方式中，波束控制信息包括目标波束的标识；处理单元702用于根据波束控制信息，切换用于向终端设备反射信号的波束，具体用于：
根据目标波束的标识，将目标波束切换为用于向终端设备反射信号的波束。
具体实现方式，请参考图4实施例中对反射设备进行波束切换的详细描述，在此不再赘述。
在一种实现方式中，波束控制信息还包括目标波束对应的反射设备的标识；或者，波束控制信息还包括接收信号的波形信息。
具体实现方式，请参考图4实施例中的详细描述，在此不再赘述。
在一种实现方式中，波束控制信息还包括波束切换时间；处理单元702用于根据波束控制信息，切换用于向终端设备反射信号的波束，具体用于：
根据目标波束的标识，在波束切换时间将目标波束切换为用于向终端设备反射信号的波束。
具体实现方式，请参考图4实施例中对反射设备进行波束切换的详细描述，在此不再赘述。
在一种实现方式中，波束控制信息包括多个波束中的每一个波束的标识；处理单元702用于根据波束控制信息，切换用于向终端设备反射信号的波束，包括：
对多个波束进行全波束扫描，以切换用于向终端设备反射信号的波束。
具体实现方式，请参考图4实施例中对反射设备进行全波束扫描以及波束切换的详细描述，在此不再赘述。
在一种实现方式中，波束控制信息还包括以下一种或多种：全波束扫描的扫描模式、 全波束扫描的扫描间隔、多个波束中的每一个波束的扫描持续时间、每一个波束的扫描次数、每一个波束的波束扫描优先级。
具体实现方式，请参考图4实施例中的详细描述，在此不再赘述。
在一种实现方式中，图7中的各个单元所实现的相关功能可以通过收发器和处理器来实现。请参见图8，图8是本申请实施例提供的一种反射设备的结构示意图，该反射设备可以为具有执行本申请实施例所述的反射设备波束管理功能的设备(例如芯片)。该反射设备800可以包括收发器801、至少一个处理器802和存储器803。其中，收发器801、处理器802和存储器803可以通过一条或多条通信总线相互连接，也可以通过其它方式相连接。本实施例中采用总线连接的方式作为一种示例，如图8所示。
其中，收发器801可以用于发送或者接收数据。例如，收发器801可以接收波束控制信息。可以理解的是，收发器801是统称，可以包括接收器和发送器。
其中，处理器802可以用于对数据进行处理。处理器802可以包括一个或多个处理器，例如该处理器802可以是一个或多个中央处理器(central processing unit，CPU)，网络处理器(network processor，NP)，硬件芯片或者其任意组合。在处理器802是一个CPU的情况下，该CPU可以是单核CPU，也可以是多核CPU。
其中，存储器803用于存储程序代码等。存储器803可以包括易失性存储器(volatile memory)，例如随机存取存储器(random access memory，RAM)。存储器803也可以包括非易失性存储器(non-volatile memory)，例如只读存储器(read-only memory，ROM)，快闪存储器(flash memory)，硬盘(hard disk drive，HDD)或固态硬盘(solid-state drive，SSD)。存储器803还可以包括上述种类的存储器的组合。
上述收发器801和处理器802可以用于实现本申请实施例中的反射设备波束管理方法，其中，具体实现方式如下：
收发器801，用于接收来自网络设备的波束控制信息，该波束控制信息指示目标波束；或者，该波束控制信息指示多个波束；
处理器802，用于根据波束控制信息，切换用于向终端设备反射信号的波束。
具体实现方式，请参考图4实施例中对波束控制信息以及反射设备进行波束切换的详细描述，在此不再赘述。
在一种实现方式中，波束控制信息包括目标波束的标识；处理器802用于根据波束控制信息，切换用于向终端设备反射信号的波束，具体用于：
根据目标波束的标识，将目标波束切换为用于向终端设备反射信号的波束。
具体实现方式，请参考图4实施例中对反射设备进行波束切换的详细描述，在此不再赘述。
在一种实现方式中，波束控制信息还包括目标波束对应的反射设备的标识；或者，波束控制信息还包括接收信号的波形信息。
具体实现方式，请参考图4实施例中的详细描述，在此不再赘述。
在一种实现方式中，波束控制信息还包括波束切换时间；处理器802用于根据波束控制信息，切换用于向终端设备反射信号的波束，具体用于：
根据目标波束的标识，在波束切换时间将目标波束切换为用于向终端设备反射信号的 波束。
具体实现方式，请参考图4实施例中对反射设备进行波束切换的详细描述，在此不再赘述。
在一种实现方式中，波束控制信息包括多个波束中的每一个波束的标识；处理器802用于根据波束控制信息，切换用于向终端设备反射信号的波束，包括：
对多个波束进行全波束扫描，以切换用于向终端设备反射信号的波束。
具体实现方式，请参考图4实施例中对反射设备进行全波束扫描以及波束切换的详细描述，在此不再赘述。
在一种实现方式中，波束控制信息还包括以下一种或多种：全波束扫描的扫描模式、全波束扫描的扫描间隔、多个波束中的每一个波束的扫描持续时间、每一个波束的扫描次数、每一个波束的波束扫描优先级。
具体实现方式，请参考图4实施例中的详细描述，在此不再赘述。
本申请实施例提供另一种波束管理装置，如图9所示，该波束管理装置900可用于实现本申请实施例中的反射设备波束管理方法。具体的，该波束管理装置900可以包括：
处理单元901，用于确定波束控制信息，该波束控制信息指示目标波束；或者，该波束控制信息指示多个波束；
收发单元902，用于向反射设备发送波束控制信息，该波束控制信息用于反射设备切换向终端设备反射信号的波束。
具体实现方式，请参考图4实施例中对波束控制信息的详细描述，在此不再赘述。
在一种实现方式中，波束控制信息包括以下一种或多种：目标波束的标识、目标波束对应的反射设备的标识、接收信号的波形信息、波束切换时间。
具体实现方式，请参考图4实施例中对波束控制信息的详细描述，在此不再赘述。
在一种实现方式中，波束控制信息包括以下一种或多种：多个波束中的每一个波束的标识、全波束扫描的扫描模式、全波束扫描的扫描间隔、多个波束中的每一个波束的扫描持续时间、每一个波束的扫描次数、每一个波束的波束扫描优先级。
具体实现方式，请参考图4实施例中对波束控制信息的详细描述，在此不再赘述。
在一种实现方式中，波束控制信息是网络设备根据参考信号的RSRP确定的。
具体实现方式，请参考图4实施例中的详细描述，在此不再赘述。
在一种实现方式中，图9中的各个单元所实现的相关功能可以通过收发器和处理器来实现。请参见图10，图10是本申请实施例提供的一种网络设备的结构示意图，该网络设备可以为具有执行本申请实施例所述的波束管理功能的设备(例如芯片)。该网络设备1000可以包括收发器1001、至少一个处理器1002和存储器1003。其中，收发器1001、处理器1002和存储器1003可以通过一条或多条通信总线相互连接，也可以通过其它方式相连接。本实施例中采用总线连接的方式作为一种示例，如图10所示。
其中，收发器1001可以用于发送或者接收数据。例如，收发器1001可以向反射设备发送波束控制信息。可以理解的是，收发器1001是统称，可以包括接收器和发送器。
其中，处理器1002可以用于对数据进行处理。处理器1002可以包括一个或多个处理器，例如该处理器1002可以是一个或多个中央处理器(central processing unit，CPU)，网 络处理器(network processor，NP)，硬件芯片或者其任意组合。在处理器1002是一个CPU的情况下，该CPU可以是单核CPU，也可以是多核CPU。
其中，存储器1003用于存储程序代码等。存储器1003可以包括易失性存储器(volatile memory)，例如随机存取存储器(random access memory，RAM)。存储器1003也可以包括非易失性存储器(non-volatile memory)，例如只读存储器(read-only memory，ROM)，快闪存储器(flash memory)，硬盘(hard disk drive，HDD)或固态硬盘(solid-state drive，SSD)。存储器1003还可以包括上述种类的存储器的组合。
上述收发器1001和处理器1002可以用于实现本申请实施例中的反射设备波束管理方法，其中，具体实现方式如下：
处理器1002，用于确定波束控制信息，该波束控制信息指示目标波束；或者，该波束控制信息指示多个波束；
收发器1001，用于向反射设备发送波束控制信息，该波束控制信息用于反射设备切换向终端设备反射信号的波束。
具体实现方式，请参考图4实施例中对波束控制信息的详细描述，在此不再赘述。
在一种实现方式中，波束控制信息包括以下一种或多种：目标波束的标识、目标波束对应的反射设备的标识、接收信号的波形信息、波束切换时间。
具体实现方式，请参考图4实施例中对波束控制信息的详细描述，在此不再赘述。
在一种实现方式中，波束控制信息包括以下一种或多种：多个波束中的每一个波束的标识、全波束扫描的扫描模式、全波束扫描的扫描间隔、多个波束中的每一个波束的扫描持续时间、每一个波束的扫描次数、每一个波束的波束扫描优先级。
具体实现方式，请参考图4实施例中对波束控制信息的详细描述，在此不再赘述。
在一种实现方式中，波束控制信息是网络设备根据参考信号的RSRP确定的。
具体实现方式，请参考图4实施例中的详细描述，在此不再赘述。
本申请实施例提供一种计算机可读存储介质，该计算机可读存储介质存储有程序或指令，当所述程序或指令在计算机上运行时，使得计算机执行本申请实施例中的反射设备波束管理方法。
本申请实施例提供一种芯片或者芯片系统，该芯片或者芯片系统包括至少一个处理器和接口，接口和至少一个处理器通过线路互联，至少一个处理器用于运行计算机程序或指令，以进行本申请实施例中的反射设备波束方法。
其中，芯片中的接口可以为输入/输出接口、管脚或电路等。
上述方面中的芯片系统可以是片上系统(system on chip，SOC)，也可以是基带芯片等，其中基带芯片可以包括处理器、信道编码器、数字信号处理器、调制解调器和接口模块等。
在一种实现方式中，本申请中上述描述的芯片或者芯片系统还包括至少一个存储器，该至少一个存储器中存储有指令。该存储器可以为芯片内部的存储单元，例如，寄存器、缓存等，也可以是该芯片的存储单元(例如，只读存储器、随机存取存储器等)。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机指令时，全部或部分地产生 按照本申请实施例所述的流程或功能。计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line，DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如，软盘、硬盘、磁带)、光介质(例如，高密度数字视频光盘(digital video disc，DVD))、或者半导体介质(例如，固态硬盘(solid state disk，SSD))等。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、计算机软件或者二者的结合来实现，为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地描述了各示例的组成及步骤。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。

Claims (16)

  1. 一种反射设备波束管理方法，其特征在于，所述方法包括：
    反射设备接收来自网络设备的波束控制信息，所述波束控制信息指示目标波束；或者，所述波束控制信息指示多个波束；
    所述反射设备根据所述波束控制信息，切换用于向终端设备反射信号的波束。
  2. 根据权利要求1所述的方法，其特征在于，所述波束控制信息包括所述目标波束的标识；所述反射设备根据所述波束控制信息，切换用于向终端设备反射信号的波束，包括：
    根据所述目标波束的标识，将所述目标波束切换为用于向终端设备反射信号的波束。
  3. 根据权利要求2所述的方法，其特征在于，所述波束控制信息还包括所述目标波束对应的反射设备的标识；或者，所述波束控制信息还包括接收信号的波形信息。
  4. 根据权利要求1或2所述的方法，其特征在于，所述波束控制信息还包括波束切换时间；所述反射设备根据所述波束控制信息，切换用于向终端设备反射信号的波束，包括：
    根据所述目标波束的标识，在所述波束切换时间将所述目标波束切换为用于向终端设备反射信号的波束。
  5. 根据权利要求1所述的方法，其特征在于，所述波束控制信息包括多个波束中的每一个波束的标识；所述反射设备根据所述波束控制信息，切换用于向终端设备反射信号的波束，包括：
    对所述多个波束进行全波束扫描，以切换用于向终端设备反射信号的波束。
  6. 根据权利要求5所述的方法，其特征在于，所述波束控制信息还包括以下一种或多种：所述全波束扫描的扫描模式、所述全波束扫描的扫描间隔、所述多个波束中的每一个波束的扫描持续时间、所述每一个波束的扫描次数、所述每一个波束的波束扫描优先级。
  7. 一种发射设备波束管理方法，其特征在于，所述方法包括：
    网络设备确定波束控制信息，所述波束控制信息指示目标波束；或者，所述波束控制信息指示多个波束；
    所述网络设备向反射设备发送所述波束控制信息，所述波束控制信息用于反射设备切换向终端设备反射信号的波束。
  8. 根据权利要求7所述的方法，其特征在于，所述波束控制信息包括以下一种或多种：所述目标波束的标识、所述目标波束对应的反射设备的标识、接收信号的波形信息、波束切换时间。
  9. 根据权利要求7所述的方法，其特征在于，所述波束控制信息包括以下一种或多种：所述多个波束中的每一个波束的标识、全波束扫描的扫描模式、所述全波束扫描的扫描间隔、所述多个波束中的每一个波束的扫描持续时间、所述每一个波束的扫描次数、所述每一个波束的波束扫描优先级。
  10. 根据权利要求7至9任一项所述的方法，其特征在于，所述波束控制信息是所述网络设备根据参考信号的RSRP确定的。
  11. 一种波束管理装置，其特征在于，包括：
    收发单元，用于接收来自网络设备的波束控制信息，所述波束控制信息指示目标波束；或者，所述波束控制信息指示多个波束；
    处理单元，用于根据所述波束控制信息，切换用于向终端设备反射信号的波束。
  12. 一种波束管理装置，其特征在于，包括：
    处理单元，用于确定波束控制信息，所述波束控制信息指示目标波束；或者，所述波束控制信息指示多个波束；
    收发单元，用于向反射设备发送所述波束控制信息，所述波束控制信息用于反射设备切换向终端设备反射信号的波束。
  13. 一种反射设备，其特征在于，包括处理器，所述处理器与通信接口耦合，使得所述处理器用于读取指令以执行权利要求1至6中任一项所述的方法。
  14. 一种网络设备，其特征在于，包括处理器，所述处理器与通信接口耦合，使得所述处理器用于读取指令以执行权利要求7至10中任一项所述的方法。
  15. 一种芯片，其特征在于，包括处理器和接口；
    所述处理器用于读取指令以执行权利要求1至6或者7至10中任一项所述的方法。
  16. 一种计算机可读存储介质，其特征在于，包括程序或指令，当所述程序或指令在计算机上运行时，如权利要求1至6或者7至10中任一项所述的方法被执行。
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