WO2022233323A1 - 智能表面设备的波束控制方法、装置及电子设备 - Google Patents
智能表面设备的波束控制方法、装置及电子设备 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/04013—Intelligent reflective surfaces
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
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- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
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Definitions
- the present application belongs to the technical field of mobile communication, and in particular relates to a beam control method, device and electronic device for a smart surface device.
- Special wireless auxiliary equipment in wireless environment e.g. repeaters, backscatterers
- large-scale smart surface devices are composed of a large number of passive units and cannot send relevant reference signals, which makes it difficult for base stations and terminals to directly obtain the channel information corresponding to each surface unit of large-scale smart surface devices.
- Embodiments of the present application provide a beam control method, device, and electronic device for a smart surface device, which can solve the problem of inability to accurately control the beam control of the smart surface device.
- a beam steering method for a smart surface device applied to a network side device, the method includes:
- the network side device obtains the first channel information of the active unit of the smart surface device; wherein, the first channel information is the channel information between the network side device and the active unit;
- the network side device obtains the second channel information of the active unit of the smart surface device; wherein, the second channel information is the channel information between the terminal and the active unit;
- the network side device determines control information of the cell array of the smart surface device according to the first channel information and the second channel information; wherein the cell array includes active cells and passive cells of the smart surface device unit.
- a beam steering apparatus for a smart surface device including:
- a first measurement module configured to obtain first channel information of an active unit of a smart surface device; wherein, the first channel information is channel information between the network-side device and the active unit;
- the second measurement module is used for the network side device to obtain the second channel information of the active unit of the smart surface device; wherein, the second channel information is the channel information between the terminal and the active unit;
- a control module used for the network-side device to determine control information of a unit array of the smart surface device according to the first channel information and the second channel information; wherein the unit array includes all the components of the smart surface device source unit and passive unit.
- a beam steering method for a smart surface device which is applied to a terminal, and the method includes:
- the terminal acquires the second reference signal sent by the active unit
- the terminal sends a fourth reference signal to the active unit
- the second reference signal or the fourth reference signal is used to obtain the second channel information of the active unit, and the second channel information is the channel information between the terminal and the active unit, so The second channel information is used to determine control information of the cell array of the smart surface device with the first channel information, the cell array includes active cells and passive cells of the smart surface device, and the first channel information It is the channel information between the network side device and the active unit.
- a beam steering apparatus for a smart surface device including:
- a first acquisition module configured to acquire a second reference signal sent by the active unit when the active unit of the smart surface device supports sending signals
- a second acquisition module configured to send a fourth reference signal to the active unit when the active unit of the smart surface device supports receiving signals
- the second reference signal or the fourth reference signal is used to obtain the second channel information of the active unit, and the second channel information is the channel information between the terminal and the active unit, so The second channel information is used to determine control information of the cell array of the smart surface device with the first channel information, the cell array includes active cells and passive cells of the smart surface device, and the first channel information It is the channel information between the network side device and the active unit.
- a beam steering method for a smart surface device applied to the smart surface device, the method includes:
- the smart surface device performs channel measurement through the active unit and the network measurement device; wherein, the channel measurement between the active unit and the network side device is used to obtain the first channel information of the active unit, and the first channel information is the Channel information between the network side device and the active unit;
- the smart surface device performs channel measurement through the active unit and the terminal; wherein, the channel measurement between the active unit and the terminal is used to obtain second channel information, and the second channel information is the communication between the terminal and the active unit. channel information;
- the smart surface device obtains control information of the cell array; wherein, the control information is obtained based on the first channel information and the second channel information, and the cell array includes active units and passive units of the smart surface device.
- a beam steering device for a smart surface device including:
- the first communication module is used for channel measurement through the active unit and the network measurement device; wherein, the channel measurement between the active unit and the network side device is used to obtain the first channel information of the active unit, the first channel The information is channel information between the network side device and the active unit;
- the second communication module is used for channel measurement through the active unit and the terminal; wherein, the channel measurement between the active unit and the terminal is used to obtain second channel information, and the second channel information is the terminal and the active terminal. Channel information between units;
- an execution module configured to obtain control information of the cell array; wherein, the control information is obtained based on the first channel information and the second channel information, and the cell array includes active units and passive units of the smart surface device .
- a network side device in a seventh aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the The processor implements the steps of the method as described in the first aspect when executed.
- a terminal in an eighth aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor.
- a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method described in the first aspect are implemented, or the steps as described in the first aspect are implemented.
- a tenth aspect provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the method according to the first aspect or the steps of implementing the method as described in the third aspect, or the steps of implementing the method as described in the fifth aspect.
- a computer program/program product is provided, the computer program/program product is stored in a non-transitory storage medium, the program/program product is executed by at least one processor to implement the first
- the first channel information and the second channel information of the active unit of the smart surface device are obtained through the network side device, and then the smart surface device is determined according to the first channel information and the second channel information
- the control information of the cell array is obtained, thereby improving the efficiency of channel measurement, realizing accurate beam control for smart surface devices, and supporting the generation of complex smart surface devices with multiple terminals and multiple base stations to transmit beams.
- FIG. 1 shows a schematic structural diagram of a wireless communication system to which an embodiment of the present application can be applied
- FIG. 2 shows a schematic flowchart of a beam steering method for a smart surface device according to an embodiment of the present application
- FIG. 3 shows a schematic flowchart of another beam steering method for a smart surface device according to an embodiment of the present application
- FIG. 4 shows a schematic diagram of a channel estimation method for a passive unit in a beam steering method for a smart surface device implemented in the present application
- FIG. 5 shows a schematic flowchart of another beam steering method for a smart surface device according to an embodiment of the present application
- FIG. 6 shows a schematic structural diagram of a beam steering apparatus for a smart surface device according to an embodiment of the present application
- FIG. 7 shows a schematic flowchart of another beam steering method for a smart surface device according to an embodiment of the present application.
- FIG. 8 shows a schematic structural diagram of another beam steering apparatus of a smart surface device according to an embodiment of the present application.
- FIG. 9 shows a schematic flowchart of another beam steering method for a smart surface device according to an embodiment of the present application.
- FIG. 10 shows a schematic structural diagram of another beam steering apparatus of a smart surface device according to an embodiment of the present application.
- FIG. 11 shows a schematic structural diagram of a communication device provided by an embodiment of the present application.
- FIG. 12 is a schematic structural diagram of a terminal implementing an embodiment of the present application.
- FIG. 13 is a schematic structural diagram of a network side device implementing an embodiment of the present application.
- first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
- the first object may be one or multiple.
- “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
- LTE Long Term Evolution
- LTE-Advanced LTE-Advanced
- LTE-A Long Term Evolution-Advanced
- CDMA Code Division Multiple Access
- TDMA Time Division Multiple Access
- FDMA Frequency Division Multiple Access
- OFDMA Orthogonal Frequency Division Multiple Access
- SC-FDMA Single-carrier Frequency-Division Multiple Access
- system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
- NR New Radio
- the following description describes a New Radio (NR) system for example purposes, and uses NR terminology in most of the description below, but the techniques are also applicable to applications other than NR system applications, such as 6th generation (6th generation ) Generation, 6G) communication system.
- 6th generation 6th generation
- 6G 6th generation
- FIG. 1 shows a schematic structural diagram of a wireless communication system to which an embodiment of the present application can be applied.
- the wireless communication system includes a terminal 11 , a network side device 12 and a smart surface device 13 .
- the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), PDA, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet Device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device ( VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: smart watches, bracelets, headphones, glasses, etc.
- the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Send Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms.
- the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
- the network side device 12 may include an access network device or a core network device, wherein the access network device 12 may also be referred to as a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or Radio access network unit.
- the access network device 12 may include a base station, a WLAN access point, or a WiFi node, etc.
- the base station may be referred to as a Node B, an evolved Node B (eNB), an access point, a Base Transceiver Station (BTS), a radio Base station, radio transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Home Node B, Home Evolved Node B, Transmitting Receiving Point (TRP) or any As long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary. It should be noted that in the embodiments of this application, only the base station in the NR system is used as an example for introduction, and The specific type of the base station is not limited.
- the core network equipment may include, but is not limited to, at least one of the following: core network node, core network function, mobility management entity (Mobility Management Entity, MME), access mobility management function (Access and Mobility Management Function, AMF), session management function (Session Management Function, SMF), User Plane Function (UPF), Policy Control Function (Policy Control Function, PCF), Policy and Charging Rules Function (Policy and Charging Rules Function, PCRF), edge application services Discovery function (Edge Application Server Discovery Function, EASDF), Unified Data Management (Unified Data Management, UDM), Unified Data Repository (Unified Data Repository, UDR), Home Subscriber Server (Home Subscriber Server, HSS), centralized network configuration ( Centralized network configuration, CNC), Network Repository Function (NRF), Network Exposure Function (NEF), Local NEF (Local NEF, or L-NEF), Binding Support Function (Binding Support Function, BSF), Application Function (AF), etc.
- MME mobility management entity
- AMF Access and Mobility Management Function
- the smart surface device 13 may be a large smart surface (Large Intelligent Surfaces, LIS) or a reconfigurable smart surface (Reconfigurable Intelligent Surfaces, RIS), and RIS is taken as an example for illustration in the following embodiments.
- the RIS can dynamically/semi-statically change its own electromagnetic properties, affecting the reflection/refraction behavior of the electromagnetic waves incident on the RIS.
- RIS realizes functions such as beam scanning/beamforming by manipulating reflected/refracted waves of electromagnetic waves.
- RIS is composed of artificial surface at the front end and control module at the back end.
- the artificial surface of the front end is composed of densely arranged artificial device units; the device characteristics of the device units are affected by the control signal/bias voltage of the device, and different control signals/bias voltages correspond to different reflection coefficients/refractive coefficients; Changes in the index of refraction will affect the phase and/or intensity of the reflected/refracted signal; microscopically, each device unit results in an independent reflected/refracted signal, and macroscopically, these signals are superimposed together to realize the manipulation of electromagnetic waves.
- the control signal/bias voltage is provided by the back-end control module.
- FIG. 2 shows a schematic flowchart of a beam steering method for a smart surface device according to an embodiment of the present application.
- the method may be executed by a network-side device, in other words, the method may be implemented by software installed on the network-side device or hardware to execute.
- the method may be performed by the following steps.
- Step S201 the network-side device obtains first channel information of an active unit of a smart surface device; wherein, the first channel information is channel information between the network-side device and the active unit.
- the smart surface device of the embodiments of the present application includes a unit array composed of device units, and may specifically include active units and passive units.
- the number and position of the active cells in the cell array can be set according to actual needs, and a sparse arrangement can be adopted.
- Step S202 the network side device obtains the second channel information of the active unit of the smart surface device; wherein the second channel information is the channel information between the terminal and the active unit.
- Step S203 the network side device determines the control information of the cell array of the smart surface device according to the first channel information and the second channel information; wherein, the cell array includes the active cells of the smart surface device and passive units.
- the beam steering method of the embodiment of the present application is divided into two stages: the first stage is based on the channel measurement stage of the active unit and the second stage is the beam steering of the smart surface device. stage.
- the first stage according to the function of sending and receiving information possessed by the active unit of the smart surface device, and channel measurement based on the active unit, the channel information of each active unit in the smart surface device can be obtained, including the active unit and the network.
- beamforming is performed on the smart surface device based on the obtained channel information, and control information of the cell array of the smart surface device is obtained.
- the control information may include the working status of each cell in the cell array.
- the configuration of the analog transponder beam of the smart surface device can be determined. Then the channel measurement between the base station and the terminal is performed, and the wave velocity shaping configuration of the base station and the terminal can be determined.
- steps S201 and S202 are in no particular order, and may be performed simultaneously or separately according to their corresponding measurement periods.
- the embodiments of the present application only take step S201 before step S202 as an example for illustration.
- the first measurement period for obtaining the first channel information may be relatively long, and the first measurement period for obtaining the second channel information may be relatively long.
- the measurement period may be relatively short, which may depend on the moving speed of the terminal and changes in the environment.
- the second measurement period may refer to the channel state information (Channel State Information, CSI) measurement period configuration of the terminal, and may be equal to an integer multiple of the CSI measurement period.
- CSI Channel State Information
- multiple second measurement periods may be included, and measurements are performed on terminals in multiple different directions.
- an embodiment of the present application provides a beam control method for a smart surface device, obtaining first channel information and second channel information of an active unit of the smart surface device through a network-side device, and then according to the first channel information and the second channel information to determine the control information of the cell array of the smart surface device, thereby improving the efficiency of channel measurement, realizing accurate beam control for the smart surface device, and supporting complex smart surface devices with multiple terminals and multiple base stations. Generation of transponder beams.
- FIG. 3 shows a schematic flowchart of another beam steering method for a smart surface device according to an embodiment of the present application.
- the method may be executed by a network-side device.
- the method may be implemented by software installed on the network-side device. or hardware to perform.
- Active units of smart surface devices can be of various types, and can be active units capable of transmitting and/or receiving signals. Wherein, for the case where the active unit supports sending signals, that is, the active unit is an active unit with the function of sending a signal, or an active unit that supports the function of sending and receiving a signal, the method can be performed by the following steps .
- Step S301 Receive a first reference signal sent by the active unit.
- Step S302 Obtain first channel information of the active unit by channel measurement on the first reference signal.
- the active unit when the active unit supports sending signals, the active unit may send the first reference signal to the network side device.
- the network side device performs channel measurement according to the received first reference signal to obtain the first channel information of the active unit.
- the parameters of the first reference signal may be configured by the network side device.
- Step S303 Receive the second channel information sent by the terminal; wherein, the second channel information is obtained by the terminal through channel measurement of a second reference signal, and the second reference signal is obtained by the active unit sent to the terminal.
- the active unit when the active unit supports sending signals, the active unit may send a second reference signal to the terminal, and the terminal performs channel measurement according to the received second reference signal to obtain the active unit.
- the second channel information of the unit is sent to the network side device.
- the parameters of the second reference signal can also be configured by the network side device, and the configured parameters are notified to the terminal at the same time.
- Information such as Access Control Control Element, MAC CE) or Radio Resource Control (Radio Resource Control, RRC) is carried.
- the configuration parameters of the first reference signal and the second reference signal configured by the network-side device may specifically include parameters such as time-frequency resources of the reference signal, reference signal sequence and port, and precoding.
- the first reference signal and the second reference signal may adopt various types of reference signals.
- the reference signals include at least one of the following types:
- Synchronization Signal and PBCH block (SSB);
- CSI-RS Channel State Information Reference Signal
- a demodulation reference signal (Demodulation Reference Signal, DMRS);
- the DMRS can be a physical downlink shared channel (Physical downlink shared channel, PDSCH), a physical downlink control channel (Physical Downlink control channel, PDCCH), or a physical uplink shared channel (Physical uplink shared channel) DMRS of uplink shared channel, PUSCH), namely DMRS for PDSCH, DMRS for PDCCH, or DMRS for PUSCH;
- Positioning reference signal Positioning Reference Signal (Position Reference Signal, PRS);
- SRS Sounding Reference Signal
- Physical Random Access Channel Physical Random Access Channel Reference Signal, PRACH reference signal
- the dedicated reference signal used for the channel measurement of the smart surface device may include a dedicated first reference signal and/or a dedicated second reference signal.
- the first reference signal sent by the network-side device and the second parameter signal sent by different terminals can be distinguished by different ports.
- the reference signal is distinguished by at least one of the following ways:
- each reference signal can be sent on a different OFDM symbol
- each reference signal can be sent on different frequency domain resources on the same OFDM symbol;
- Code division multiplexing for example, using a different sequence to generate each reference signal
- the active unit can send the first reference signal and/or the second reference signal by beam scanning or beam training, and the network measurement equipment and the terminal respectively measure the beam with the best signal quality through the channel As a communication beam, first channel information and second channel information are obtained.
- the first reference signal and the second reference signal have the same frequency bandwidth.
- Step S304 Obtain third channel information and fourth channel information of the passive unit of the smart surface device according to the first channel information and the second channel information; wherein the third channel information is the network side Channel information between the device and the passive unit, and the fourth channel information is channel information between the terminal and the passive unit.
- the network-side device may perform channel estimation on the passive units in the RIS device by using the first channel information and the second channel information of the active units of the RIS device, so as to obtain the third channel information of each passive unit. channel information and fourth channel information.
- the smart surface device is obtained through an interpolation algorithm according to the first channel information and the second channel information.
- the third channel information and the fourth channel information of the passive unit are as follows:
- the figure includes a network side device 410 , a terminal 420 and a RIS device 430 , wherein the RIS device 430 includes an active unit 431 and a passive unit 432 represented by different patterns.
- the channel information of active units i and j are obtained respectively, including the first channel information H B,i and the second channel information H i,U of active unit i, and the first channel information of active unit j H B,j and the second channel information H j,U .
- channel estimation is performed on the passive unit k located between the active units i and j, and the third channel information H of the passive unit k can be obtained B,k and the fourth channel information H k,U .
- it can be obtained through an interpolation algorithm.
- interpolation algorithms for example, Wiener filtering, nonlinear interpolation, etc., which are not specifically limited here.
- the first channel information represents the energy intensity of each beam of the active unit of the smart surface received by the network device
- the second channel information represents the energy intensity received by the terminal device.
- the network device selects the beam corresponding to one or more measurement results with the strongest energy as the beam from the network device to the smart surface according to the first channel information; selects the beam corresponding to the one or more measurement results with the strongest energy as the beam according to the second channel information. Beam from the end device to the smart surface.
- the beam codebook of the active unit of the smart surface determine the relative phase relationship between the channels of each active unit, that is, the phase difference between H B,i and H B,j , H i,U and H j,U phase difference between. It is further possible to determine the phase difference between the channels HB ,i *H i,U and HB ,j *H j,U in the cascade channel, the network device to the smart surface active unit and then to the terminal device. Also through the interpolation algorithm, the phase difference between the cascaded channels from the network device to the smart surface passive unit to the end device can be determined. The phase difference between the cascaded channels calculates the control information for the smart surface.
- the first channel information and the second channel information may specifically be the correlation between the channels of each active unit, for example, the channel measurement result of the active unit obtained by beam scanning or beam training .
- the third channel information and the fourth channel information of the passive unit obtained by using the interpolation algorithm may also be the correlation between the channels of the passive units.
- the method further includes:
- the device parameters include at least one of the following:
- Device types may include: pure passive RIS devices containing only passive cells, pure active RIS devices containing only active cells, and active-passive hybrid RIS containing active cells and passive cells equipment;
- Active unit capabilities including support for receive signals only, transmit signals only, or both receive and transmit signals;
- the capability of the passive unit may also include the quantization accuracy of the control parameters of the passive unit, such as the bit length of the control information that controls the state of the passive unit .
- the passive unit is a phase control type RIS unit, and the state of the RIS unit is controlled by 1-bit control information.
- the system can consider that the control information '0' corresponds to the phase of the reflected signal being continuous with the phase of the incident signal, and the control information '1' corresponds to the phase difference of 180° between the reflected signal and the incident signal; or the control information '0' corresponds to the phase of the incident signal.
- the phase of the reflected signal differs by 180° from the phase of the reflected signal corresponding to the control information '1'.
- Step S305 Obtain control information of the cell array of the smart surface device according to the third channel information and the fourth channel information.
- the network side device obtains the control information of the cell array of the RIS device according to the channel information of each device unit, including the channel information of the active unit and the passive unit, or only according to the channel information of the passive unit Used to get the target forwarding beam at the RIS device.
- the target forwarding beam may be a single beam directed to a certain terminal or a certain group of terminals, or may be beams in multiple directions directed to multiple terminals or multiple groups of terminals in different directions.
- step S305 the method further includes:
- control information of the unit array to the smart surface device, where the control information includes: the working status of each passive unit of the smart surface device.
- the control information can be carried in DCI, MAC CE or RRC.
- the beam of the RIS device may be fine-tuned.
- the network-side device configures several finer beams for the RIS device in the sent control information.
- the finer beams refer to beams with different beam phases or beams pointing to different beams. Specifically, it can be modified based on the initial beam. get.
- the network-side device may also configure time parameters for beam fine-tuning for the RIS device, including multiple time units, each time unit corresponding to one of the above-mentioned finer beams.
- the network-side device can configure the configuration information for the corresponding beam measurement for the terminal, including reference signal time-frequency resources, port numbers, and the like.
- the reference signal is sent by the network-side device or the terminal, and the terminal or the network-side device receives the reference signal and performs beam measurement, and determines an appropriate finer beam according to the measurement result.
- the network-side device may send parameter requirements to the smart surface device, where the parameter requirements are used to enable the smart surface device to determine the working state of each passive unit of the smart surface device;
- the parameter requirements include at least one of the following:
- the smart surface device can combine the channel information of each device unit, including the channel information of the active unit and the passive unit, or only obtain the control information of the unit array of the RIS device according to the channel information of the passive unit. Used to get the target forwarding beam at the RIS device.
- step S305 the method further includes:
- the network-side device determines the beamforming parameters of the network-side device and/or the terminal through channel measurement, and the channel measurement may be performed according to a protocol flow.
- an embodiment of the present application provides a beam steering method for a smart surface device.
- the active unit supports sending signals
- the active unit sends the first reference signal and the second reference signal to the network side device and the terminal.
- the first channel information and the second channel information of the active unit are obtained respectively, and the third channel information and the fourth channel information of the passive unit are carried out according to the first channel information and the second channel information of the active unit.
- Channel estimation and then obtain the control information of the unit array of the smart surface device according to the channel information of each unit.
- the embodiments of the present application use active units to perform segmented channel estimation, so as to avoid a complex channel estimation method for the cascaded channel of network-side device-smart surface device-terminal, improve the efficiency of channel measurement, and realize the realization of intelligent surface devices.
- FIG. 5 shows a schematic flowchart of another beam steering method for a smart surface device according to an embodiment of the present application.
- the method may be executed by a network-side device, in other words, the method may be implemented by software installed on the network-side device. or hardware to perform.
- the active unit supports receiving signals, that is, the active unit is an active unit with a function of receiving signals, or an active unit supporting functions of sending and receiving signals, the method can be performed by the following steps.
- Step S501 sending a third reference signal to the active unit
- Step S502 Acquire first channel information sent by the active unit; wherein, the first channel information is obtained by the active unit by performing channel measurement on the third reference signal.
- the network side device may send the third reference signal to the active unit.
- the active unit performs channel measurement on the received third reference signal to obtain first channel information of the active unit.
- the parameters of the third reference signal may be configured by the network side device.
- the RIS device may send the first channel information to the network-side device through the active unit.
- Step S503 Acquire second channel information sent by the active unit; wherein, the second channel information is obtained by the active unit by performing channel measurement on a fourth reference signal, the fourth reference signal is obtained by the active unit. sent by the terminal to the active unit.
- the terminal may send the fourth reference signal to the active unit.
- the active unit performs channel measurement on the received fourth reference signal to obtain second channel information of the active unit.
- the parameters of the fourth reference signal may be configured by the network side device, and the configured parameters are notified to the terminal at the same time.
- the configuration parameters of the third reference signal and the fourth reference signal configured by the network-side device may specifically include parameters such as time-frequency resources of the reference signal, reference signal sequence and port, and precoding.
- the RIS device may send the second channel information to the network-side device through the active unit.
- the third reference signal and the fourth reference signal may be of the same type as the first reference signal and the second reference signal in the foregoing embodiment, and are sent in the same manner, and repeated parts will not be repeated here.
- the fourth reference signal may be SSB, CSI-RS, DMRS for PDSCH, DMRS for PDCCH, PRS, or a dedicated reference signal for channel measurement of smart surface devices.
- the third reference signal may be an SRS, a PRACH reference signal, a DMRS for PUSCH, a side link reference signal, or a dedicated reference signal for channel measurement of smart surface equipment.
- there may be multipath effects in the wireless environment that is, objects in the environment reflect or refract the reference signal transmitted by the network-side device or terminal, and the active unit may receive different transmission delays from different propagation paths.
- the same reference signal with different amplitudes.
- the influence of the indirect path can be canceled by multiple measurements and averaging, and only the reference signal of the direct path or the path with stronger signal is reserved for channel measurement. The result is the first channel information and the second channel information.
- Step S504 the smart surface device obtains the third channel information and the fourth channel information of the passive unit of the smart surface device according to the first channel information and the second channel information; wherein, the third channel information is Channel information between the network side device and the passive unit, and the fourth channel information is channel information between the terminal and the passive unit.
- the RIS device may perform channel estimation on the passive units in the RIS device through the first channel information and the second channel information of the active units, so as to obtain the third channel information and the first channel information of each passive unit. Four channel information.
- the smart surface device is obtained through an interpolation algorithm according to the first channel information and the second channel information.
- the third channel information and the fourth channel information of the passive unit may specifically be linear interpolation, Wiener filtering, nonlinear interpolation, etc., which are not specifically limited here.
- the method further includes:
- the network side device obtains the third channel information and the fourth channel information of the passive unit of the smart surface device according to the received first channel information and the second channel information, and performs steps S304 and S305 in FIG. 3 . method, and obtain the same technical effect, the repeated parts will not be repeated here.
- the first channel information and/or the second channel information reported by the RIS device may take various forms, and in an implementation manner, may take at least one of the following forms:
- Report the relative ratio of channel information between active units for example, report the first channel information H B,o of active unit o and the ratio of H B,o to the first channel information H B,i of active unit i and Phase difference, reporting the ratio and phase difference of the second channel information HU , o of the active unit o and the second channel information HU,i of the active unit i.
- the active unit o is the reference unit of the active unit set, and the position in the smart surface is determined by the smart surface or jointly determined by the network device and the smart surface.
- the direction information of the reference signal for example, the Angle-of-Arrival (AOA) and AOZ information of the third reference signal sent by the network-side device, the AOA and AOZ information of the fourth reference signal sent by the terminal, and The signal strength at the corresponding angle;
- AOA Angle-of-Arrival
- AOZ information of the third reference signal sent by the network-side device for example, the Angle-of-Arrival (AOA) and AOZ information of the third reference signal sent by the network-side device, the AOA and AOZ information of the fourth reference signal sent by the terminal, and The signal strength at the corresponding angle
- the method further includes:
- the reported device parameters of the RIS device include at least one of the following:
- Step S505 the smart surface device obtains control information of the cell array of the smart surface device according to the third channel information and the fourth channel information.
- the network side device may send parameter requirements to the smart surface device, where the parameter requirements are used to enable the smart surface device to determine the working state of each passive unit of the smart surface device;
- the parameter requirements include at least one of the following:
- the smart surface device can combine the channel information of each device unit, including the channel information of the active unit and the passive unit, or only obtain the control information of the unit array of the RIS device according to the channel information of the passive unit. Used to get the target forwarding beam at the RIS device.
- the beam of the RIS device may be fine-tuned.
- the network-side device configures several finer beams for the RIS device in the sent control information.
- the finer beams refer to beams with different beam phases or beams pointing to different beams. Specifically, it can be modified based on the initial beam. get.
- the network-side device may also configure time parameters for beam fine-tuning for the RIS device, including multiple time units, each time unit corresponding to one of the above-mentioned finer beams.
- the network-side device can configure the configuration information for the corresponding beam measurement for the terminal, including reference signal time-frequency resources, port numbers, and the like.
- the reference signal is sent by the network-side device or the terminal, and the terminal or the network-side device receives the reference signal and performs beam measurement, and determines an appropriate finer beam according to the measurement result.
- step S505 the method further includes:
- the network-side device determines the beamforming parameters of the network-side device and/or the terminal through channel measurement, and the channel measurement may be performed according to a protocol flow.
- an embodiment of the present application provides a beam steering method for a smart surface device.
- the network side device and the terminal respectively send the third reference signal and the fourth reference signal to the active unit.
- the RIS device compares the third channel information and the second channel information of the passive unit according to the first channel information and the second channel information of the active unit.
- Four channel information is used for channel estimation, and then the control information of the unit array of the smart surface device is obtained according to the channel information of each unit.
- the embodiments of the present application use active units to perform segmented channel estimation, so as to avoid a complex channel estimation method for the cascaded channel of network-side device-smart surface device-terminal, improve the efficiency of channel measurement, and realize the realization of intelligent surface devices.
- the execution subject may be the beam control device of the smart surface device, or, in the beam control device of the smart surface device, the method for executing the beam control device of the smart surface device may be executed.
- the control module of the beam steering method In the embodiments of the present application, the beam control device of the smart surface device provided by the embodiment of the present application is described by taking the beam control device of the smart surface device executing the beam control method of the smart surface device as an example.
- the beam control method for a smart surface device provided by the embodiment of the present application may include the following steps.
- Step 1 Perform channel measurement between the network side device and the RIS device, and obtain first channel information according to the channel measurement result.
- the network side device sends the first reference signal to the active unit, and the active unit performs channel measurement on the received first reference signal to obtain the first channel information.
- the active unit sends the third reference signal to the network side device, and the network side device performs channel measurement based on the third reference signal to obtain the first channel information.
- the transmission mode of the third reference signal may adopt time division multiplexing, frequency division multiplexing, code division multiplexing, or the like.
- the reference signal is sent by the active unit in the form of beam scanning
- the network side device measures the beam sent by each active unit, and determines that the beam with the best signal quality is the beam corresponding to the first channel information.
- Step 2 the network side device sends control information to the RIS device, so that the RIS device obtains the working state of each unit in the cell array, and the control information can be carried in DCI, MAC CE or RRC.
- control information may be multiple optional configuration information of passive units in the unit array of the RIS device, respectively corresponding to multiple beam directions of the forwarding signal of the RIS device.
- control information may be the beam directions of the forwarded signals of the multiple RIS devices and the beams of the RIS active units (corresponding to the beams obtained by the active units after beam scanning in step 1).
- the control module of the RIS device generates a cell array of the RIS device according to the channel information obtained by the channel measurement in step 1 or the beam information of the RIS active unit configured by the network side device, combined with the beam direction of the forwarding signal of the RIS device configured by the network side device. Configuration information for passive units in .
- the first channel information between the network side device and each active unit or the relative information between the channels may be determined.
- the third channel information from the network side device to each passive unit or the relative information between the channels can be determined.
- the phase or relative phase requirement required by the passive unit in the unit array can be calculated. According to the above information, the working state of each passive unit can be determined.
- Step 3 The RIS device forwards the beam scan.
- the network-side device sends control information to configure the working time period of the beams for the multiple RIS devices to forward signals.
- the network-side device sends a plurality of reference signals, which correspond to the working time periods of the configured beams of the signals to be forwarded by the plurality of RIS devices.
- the terminal receives multiple reference signals to measure signal quality according to the configuration information of the network-side device, and feeds back the measurement results to the network-side device and/or the RIS device.
- the network side device receives the measurement result of the terminal, determines the beam direction of the RIS device, and configures the determination result to the RIS device.
- the beam steering of the smart surface device provided by the embodiments of the present application can implement the method embodiments shown in FIGS. 3-5 , and obtain the same technical effect, and repeated parts will not be repeated here.
- FIG. 6 shows a schematic structural diagram of a beam control apparatus for a smart surface device according to an embodiment of the present application.
- the apparatus includes: a first measurement module 601 , a second measurement module 602 and a control module 603 .
- the first measurement module 601 is used to obtain the first channel information of the active unit of the smart surface device; wherein, the first channel information is the channel information between the network side device and the active unit; the The second measurement module 602 is used for the network side device to obtain the second channel information of the active unit of the smart surface device; wherein, the second channel information is the channel information between the terminal and the active unit; The control module 603 is used for the network side device to determine the control information of the cell array of the smart surface device according to the first channel information and the second channel information; wherein, the cell array includes the cell array of the smart surface device. Active and passive cells.
- an embodiment of the present application provides a beam control apparatus for a smart surface device, which obtains the first channel information and the second channel information of the active unit of the smart surface device, and then uses the first channel information and the second channel information according to the first channel information and the second channel information.
- the channel information determines the control information of the unit array of the smart surface device, thereby improving the efficiency of channel measurement, realizing accurate beam control for the smart surface device, and can support complex smart surface devices with multiple terminals and multiple base stations to forward beams. generate.
- control module is used for:
- the third channel information and the fourth channel information of the passive unit of the smart surface device are obtained; wherein, the third channel information is the network side device and the channel information between the passive units, the fourth channel information is the channel information between the terminal and the passive unit;
- Control information of the cell array of the smart surface device is obtained according to the third channel information and the fourth channel information.
- the first measurement module is used for:
- the first channel information of the active unit is obtained by channel measurement of the first reference signal.
- the second measurement module is used for:
- Receive second channel information sent by the terminal wherein, the second channel information is obtained by the terminal through channel measurement of a second reference signal, and the second reference signal is sent by the active unit to the described terminal.
- control module is configured to obtain the third channel information and the fourth channel information of the passive unit of the smart surface device through an interpolation algorithm according to the first channel information and the second channel information.
- control module is further configured to acquire device parameters reported by the smart surface device, and the device parameters include at least one of the following:
- control module is further configured to send control information of the unit array to the smart surface device, where the control information includes: the working status of each passive unit of the smart surface device.
- control module is further configured to send parameter requirements to the smart surface device, where the parameter requirements are used to enable the smart surface device to determine the working state of each passive unit of the smart surface device;
- the parameter requirements include at least one of the following:
- control module is further configured to determine the beamforming parameters of the network-side device and/or the terminal through channel measurement.
- the reference signal includes at least one of the following:
- the reference signal adopts at least one of the following ways:
- an embodiment of the present application provides a beam control apparatus for a smart surface device.
- the active unit supports sending signals
- the active unit sends the first reference signal and the second reference signal to the network side equipment and the terminal.
- the first channel information and the second channel information of the active unit are obtained respectively, and the third channel information and the fourth channel information of the passive unit are carried out according to the first channel information and the second channel information of the active unit.
- Channel estimation and then obtain the control information of the unit array of the smart surface device according to the channel information of each unit.
- the embodiments of the present application use active units to perform segmented channel estimation, so as to avoid a complex channel estimation method for the cascaded channel of network-side device-smart surface device-terminal, improve the efficiency of channel measurement, and realize the realization of intelligent surface devices.
- the first measurement module is used for:
- the first channel information is obtained by the active unit by performing channel measurement on the third reference signal.
- the second measurement module is used for:
- an embodiment of the present application provides a beam control apparatus for a smart surface device.
- the network side device and the terminal respectively send the third reference signal and the fourth reference signal to the active unit.
- the RIS device compares the third channel information and the second channel information of the passive unit according to the first channel information and the second channel information of the active unit.
- Four channel information is used for channel estimation, and then the control information of the unit array of the smart surface device is obtained according to the channel information of each unit.
- the embodiments of the present application use active units to perform segmented channel estimation, so as to avoid a complex channel estimation method for the cascaded channel of network-side device-smart surface device-terminal, improve the efficiency of channel measurement, and realize the realization of intelligent surface devices.
- the beam control device of the smart surface device in the embodiment of the present application may be a device, a device with an operating system or an electronic device, or a component, an integrated circuit, or a chip in a terminal.
- the apparatus or electronic device may be a mobile terminal or a non-mobile terminal.
- the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
- the beam steering apparatus of the smart surface device in the embodiment of the present application may be an apparatus having an operating system.
- the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
- the beam control apparatus for the smart surface device provided in the embodiment of the present application can implement the various processes implemented by the method embodiments in FIG. 2 to FIG. 5 , and achieve the same technical effect. To avoid repetition, details are not described here.
- FIG. 7 shows a schematic flowchart of another beam steering method for a smart surface device according to an embodiment of the present application.
- the method may be executed by a terminal, in other words, the method may be implemented by software or hardware installed in the terminal. implement.
- the method may be performed by the following steps.
- Step S701 in the case that the active unit of the smart surface device supports sending signals, the terminal acquires the second reference signal sent by the active unit;
- Step S702 in the case that the active unit of the smart surface device supports receiving signals, the terminal sends a fourth reference signal to the active unit;
- the second reference signal or the fourth reference signal is used to obtain the second channel information of the active unit, and the second channel information is the channel information between the terminal and the active unit, so The second channel information is used to determine control information of the cell array of the smart surface device with the first channel information, the cell array includes active cells and passive cells of the smart surface device, and the first channel information It is the channel information between the network side device and the active unit.
- the method further includes:
- Channel measurement is performed on the second reference signal to obtain the second channel information and send it to the network device.
- the method also includes:
- the parameters of the second reference signal or the fourth reference signal configured by the network side device are acquired.
- the reference signal includes at least one of the following:
- the reference signal adopts at least one of the following ways:
- the beam steering method for a smart surface device provided in this embodiment of the present application can implement each process implemented by the method embodiments in FIG. 2 to FIG. 5 , and achieve the same technical effect, which is not repeated here to avoid repetition.
- an embodiment of the present application provides a beam control method for a smart surface device, which performs channel measurement according to the support of the active unit of the smart surface device to transmit and/or receive signals, and obtains a second channel between the active unit and the terminal. information, and then combined with the first channel information to determine the control information of the cell array of the smart surface device, thereby improving the efficiency of channel measurement, realizing accurate beam control for the smart surface device, and supporting complex smart devices with multiple terminals and multiple base stations.
- Surface devices retransmit beam generation.
- the execution subject may be the beam control device of the smart surface device, or, in the beam control device of the smart surface device, the method for executing the beam control device of the smart surface device may be executed.
- the control module of the beam steering method In the embodiments of the present application, the beam control device of the smart surface device provided by the embodiment of the present application is described by taking the beam control device of the smart surface device executing the beam control method of the smart surface device as an example.
- FIG. 8 shows a schematic structural diagram of another beam steering apparatus of a smart surface device according to an embodiment of the present application.
- the apparatus includes: a first acquisition module 801 and a second acquisition module 802 .
- the first acquisition module 801 is used for acquiring the second reference signal sent by the active unit when the active unit of the smart surface device supports sending signals; the second acquisition module 802 is used for When the active unit of the device supports receiving signals, a fourth reference signal is sent to the active unit; wherein the second reference signal or the fourth reference signal is used to obtain the second channel information of the active unit , the second channel information is the channel information between the terminal and the active unit, the second channel information is used to determine the control information of the unit array of the smart surface device with the first channel information, so
- the unit array includes active units and passive units of the smart surface device, and the first channel information is channel information between the network side device and the active unit.
- the first obtaining module is further configured to perform channel measurement on the second reference signal to obtain the second channel information and send it to the network device.
- first obtaining module or the second obtaining module is further configured to obtain the parameters of the second reference signal or the fourth reference signal configured by the network side device.
- the reference signal includes at least one of the following:
- the reference signal adopts at least one of the following ways:
- an embodiment of the present application provides a beam control apparatus for a smart surface device, which performs channel measurement according to the support of the active unit of the smart surface device to transmit and/or receive signals, and obtains a second channel between the active unit and the terminal. information, and then combined with the first channel information to determine the control information of the cell array of the smart surface device, thereby improving the efficiency of channel measurement, realizing accurate beam control for the smart surface device, and supporting complex smart devices with multiple terminals and multiple base stations.
- Surface devices retransmit beam generation.
- the beam control device of the smart surface device in the embodiment of the present application may be a device, a device with an operating system or an electronic device, or a component, an integrated circuit, or a chip in a terminal.
- the apparatus or electronic device may be a mobile terminal or a non-mobile terminal.
- the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
- the beam control apparatus for a smart surface device provided in this embodiment of the present application can implement each process implemented by the method embodiment in FIG. 7 , and achieve the same technical effect. To avoid repetition, details are not described here.
- FIG. 9 shows a schematic flowchart of another beam control method for a smart surface device according to an embodiment of the present application. As shown in FIG. 9 , the method may be executed by the smart surface device. The method may be performed by the following steps.
- Step S901 the smart surface device performs channel measurement through the active unit and the network measurement device; wherein, the channel measurement between the active unit and the network side device is used to obtain first channel information of the active unit, the first channel information is the channel information between the network side device and the active unit;
- Step S902 the smart surface device performs channel measurement through the active unit and the terminal; wherein, the channel measurement of the active unit and the terminal is used to obtain second channel information, and the second channel information is the terminal and the active unit. channel information between;
- Step S903 the smart surface device obtains control information of the cell array; wherein, the control information is obtained based on the first channel information and the second channel information, and the cell array includes active cells and passive cells of the smart surface device unit.
- the beam steering method provided by the embodiment of the present application can implement the method embodiment of each step shown in FIG. 2 and achieve the same technical effect, and repeated parts are not repeated here.
- the embodiment of the present application provides a beam control method for a smart surface device, wherein the first channel information and the second channel information obtained by channel measurement are obtained by the active unit of the smart surface device, and then according to the first channel information and the second channel information to determine the control information of the cell array of the smart surface device, thereby improving the efficiency of channel measurement, realizing accurate beam control for the smart surface device, and supporting complex smart surface devices with multiple terminals and multiple base stations. Generation of transponder beams.
- the step S901 includes:
- the first reference signal is sent to the network-side device, so that the network-side device obtains first channel information by performing channel measurement on the first reference signal.
- the step S902 includes:
- the second reference signal is sent to the terminal, so that the terminal obtains the second channel information by performing channel measurement on the second reference signal.
- the step S903 includes:
- the method further includes:
- the device parameters of the smart surface device reported to the network side device include at least one of the following:
- the reference signal includes at least one of the following:
- the reference signal adopts at least one of the following manners:
- the beam steering method provided in the embodiment of the present application can implement the method embodiments of the steps shown in FIG. 3 and FIG. 4 , and achieve the same technical effect, and repeated parts are not repeated here.
- an embodiment of the present application provides a beam steering method for a smart surface device.
- the active unit supports sending signals
- the active unit sends the first reference signal and the second reference signal to the network side device and the terminal.
- the first channel information and the second channel information of the active unit are obtained respectively, and the third channel information and the fourth channel information of the passive unit are carried out according to the first channel information and the second channel information of the active unit.
- Channel estimation and then obtain the control information of the unit array of the smart surface device according to the channel information of each unit.
- the embodiments of the present application use active units to perform segmented channel estimation, so as to avoid a complex channel estimation method for the cascaded channel of network-side device-smart surface device-terminal, improve the efficiency of channel measurement, and realize the realization of intelligent surface devices.
- the step S901 includes:
- the third reference signal sent by the network side device is received, and the first channel information is obtained by performing channel measurement on the third reference signal.
- the step S902 includes:
- a fourth reference signal sent by the terminal is received, and second channel information is obtained by performing channel measurement on the fourth reference signal.
- the method further includes:
- the step S903 includes:
- Control information of the unit array of the smart surface device is obtained according to the third channel information and the fourth channel information; wherein the control information includes: the working status of each passive unit of the smart surface device.
- the obtaining the third channel information and the fourth channel information of the passive unit of the smart surface device according to the first channel information and the second channel information includes:
- the third channel information and the fourth channel information of the passive unit of the smart surface device are obtained through an interpolation algorithm.
- the method further includes:
- the parameter requirements include at least one of the following:
- the method further includes:
- the device parameters of the smart surface device reported to the network side device include at least one of the following:
- the reference signal includes at least one of the following:
- the reference signal adopts at least one of the following manners:
- the beam steering method of the embodiment of the present application can implement the method embodiment of each step shown in FIG. 5 , and achieve the same technical effect, and repeated parts are not repeated here.
- an embodiment of the present application provides a beam steering method for a smart surface device.
- the network side device and the terminal respectively send the third reference signal and the fourth reference signal to the active unit.
- the RIS device compares the third channel information and the second channel information of the passive unit according to the first channel information and the second channel information of the active unit.
- Four channel information is used for channel estimation, and then the control information of the unit array of the smart surface device is obtained according to the channel information of each unit.
- the embodiments of the present application use active units to perform segmented channel estimation, so as to avoid a complex channel estimation method for the cascaded channel of network-side device-smart surface device-terminal, improve the efficiency of channel measurement, and realize the realization of intelligent surface devices.
- FIG. 10 shows a schematic structural diagram of another beam control apparatus of a smart surface device according to an embodiment of the present application.
- the apparatus includes: a first communication module 1001 , a second communication module 1002 and an execution module 1003 .
- the first communication module 1001 is used for channel measurement through the active unit and the network measurement device; wherein, the channel measurement between the active unit and the network side device is used to obtain the first channel information of the active unit, the One channel information is the channel information between the network-side device and the active unit; the second communication module 1002 is used for channel measurement through the active unit and the terminal; wherein the active unit and the terminal are The channel measurement is used to obtain the second channel information, and the second channel information is the channel information between the terminal and the active unit; the execution module 1003 is used to obtain the control information of the unit array; wherein, the control information Derived based on the first channel information and the second channel information, the cell array includes active cells and passive cells of the smart surface device.
- an embodiment of the present application provides a beam control apparatus for a smart surface device, first channel information and second channel information obtained by channel measurement through an active unit, and then according to the first channel information and the second channel information information to determine the control information of the cell array of the smart surface device, thereby improving the efficiency of channel measurement, realizing accurate beam control for the smart surface device, and supporting the generation of complex smart surface device forwarding beams with multiple terminals and multiple base stations .
- the first communication module is configured to send a first reference signal to a network-side device, so that the network-side device obtains first channel information by performing channel measurement on the first reference signal.
- the second communication module when the active unit supports sending signals, is configured to send a second reference signal to the terminal, so that the terminal can measure the channel by measuring the second reference signal. Obtain the second channel information.
- the execution module is configured to receive control information of the cell array sent by the network side device.
- the execution module is further configured to report the device parameters of the smart surface device to the network-side device, where the device parameters include at least one of the following:
- the reference signal includes at least one of the following:
- the reference signal adopts at least one of the following manners:
- an embodiment of the present application provides a beam control apparatus for a smart surface device.
- the active unit supports sending signals
- the active unit sends the first reference signal and the second reference signal to the network side equipment and the terminal.
- the first channel information and the second channel information of the active unit are obtained respectively, and the third channel information and the fourth channel information of the passive unit are carried out according to the first channel information and the second channel information of the active unit.
- Channel estimation and then obtain the control information of the unit array of the smart surface device according to the channel information of each unit.
- the embodiments of the present application use active units to perform segmented channel estimation, so as to avoid a complex channel estimation method for the cascaded channel of network-side device-smart surface device-terminal, improve the efficiency of channel measurement, and realize the realization of intelligent surface devices.
- the first communication module is configured to receive a third reference signal sent by a network-side device, and receive the third reference signal by comparing the third reference signal Perform channel measurement to obtain first channel information.
- the second communication module when the active unit supports receiving signals, is configured to receive a fourth reference signal sent by the terminal, and perform channel measurement on the fourth reference signal Obtain the second channel information.
- the execution module is further configured to report the first channel information and/or the second channel information to the network side device.
- the execution module is configured to obtain third channel information and fourth channel information of the passive unit of the smart surface device according to the first channel information and the second channel information;
- Control information of the unit array of the smart surface device is obtained according to the third channel information and the fourth channel information; wherein the control information includes: the working status of each passive unit of the smart surface device.
- the execution module is configured to obtain the third channel information and the fourth channel information of the passive unit of the smart surface device through an interpolation algorithm according to the first channel information and the second channel information.
- the execution module is further configured to receive a parameter requirement sent by the network-side device, where the parameter requirement is used to enable the smart surface device to determine the work of each passive unit of the smart surface device state;
- the parameter requirements include at least one of the following:
- the execution module is further configured to report the device parameters of the smart surface device to the network-side device, where the device parameters include at least one of the following:
- the reference signal includes at least one of the following:
- the reference signal adopts at least one of the following manners:
- an embodiment of the present application provides a beam control apparatus for a smart surface device.
- the network side device and the terminal respectively send the third reference signal and the fourth reference signal to the active unit.
- the RIS device compares the third channel information and the second channel information of the passive unit according to the first channel information and the second channel information of the active unit.
- Four channel information is used for channel estimation, and then the control information of the unit array of the smart surface device is obtained according to the channel information of each unit.
- the embodiments of the present application use active units to perform segmented channel estimation, so as to avoid a complex channel estimation method for the cascaded channel of network-side device-smart surface device-terminal, improve the efficiency of channel measurement, and realize the realization of intelligent surface devices.
- the beam control apparatus of the smart surface device in the embodiment of the present application may be a device, an apparatus having an operating system, or an electronic device, which is not specifically limited in the embodiment of the present application.
- the beam control apparatus of the smart surface device provided in the embodiment of the present application can implement each process implemented by the method embodiment in FIG. 9 , and achieve the same technical effect. To avoid repetition, details are not repeated here.
- an embodiment of the present application further provides a communication device 1100, including a processor 1101, a memory 1102, a program or instruction stored in the memory 1102 and executable on the processor 1101,
- a communication device 1100 including a processor 1101, a memory 1102, a program or instruction stored in the memory 1102 and executable on the processor 1101,
- the communication device 1100 is a terminal
- the program or instruction is executed by the processor 1101
- each process of the above embodiments of the beam control method for a smart surface device can be implemented, and the same technical effect can be achieved.
- the communication device 1100 is a network-side device
- the program or instruction is executed by the processor 1101
- each process of the above-mentioned embodiment of the beam control method for a smart surface device can be achieved, and the same technical effect can be achieved. To avoid repetition, it is not repeated here. Repeat.
- An embodiment of the present application further provides a network-side device, including a processor and a communication interface, where the processor is configured to determine control information of a cell array of the smart surface device according to the first channel information and the second channel information, and the communication interface
- the method is used to obtain first channel information of the active unit of the smart surface device, and is also used to obtain the second channel information of the active unit of the smart surface device.
- This network-side device embodiment corresponds to the above-mentioned network-side device method embodiment, and each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.
- the network device 1200 includes: an antenna 121 , a radio frequency device 122 , and a baseband device 123 .
- the antenna 121 is connected to the radio frequency device 122 .
- the radio frequency device 122 receives information through the antenna 121, and sends the received information to the baseband device 123 for processing.
- the baseband device 123 processes the information to be sent and sends it to the radio frequency device 122
- the radio frequency device 122 processes the received information and sends it out through the antenna 121 .
- the above-mentioned frequency band processing apparatus may be located in the baseband apparatus 123 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 123 , where the baseband apparatus 123 includes a processor 124 and a memory 125 .
- the baseband device 123 may include, for example, at least one baseband board on which a plurality of chips are arranged, as shown in FIG. 12 , one of the chips is, for example, the processor 124 , which is connected to the memory 125 to call a program in the memory 125 to execute
- the network devices shown in the above method embodiments operate.
- the baseband device 123 may further include a network interface 126 for exchanging information with the radio frequency device 122, and the interface is, for example, a common public radio interface (CPRI for short).
- CPRI common public radio interface
- the network-side device in the embodiment of the present invention further includes: instructions or programs stored in the memory 125 and executable on the processor 124, and the processor 124 invokes the instructions or programs in the memory 125 to execute the modules shown in FIG. 6 .
- An embodiment of the present application further provides a terminal, including a processor and a communication interface, where the communication interface is used to acquire a second reference signal sent by the active unit in the case that the active unit of the smart surface device supports sending signals, for sending a fourth reference signal to the active unit of the smart surface device if the active unit of the smart surface device supports receiving the signal.
- This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
- FIG. 13 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
- the terminal 1300 includes but is not limited to: a radio frequency unit 1301, a network module 1302, an audio output unit 1303, an input unit 1304, a sensor 1305, a display unit 1306, a user input unit 1307, an interface unit 1308, a memory 1309, and a processor 1310, etc. at least part of the components.
- the terminal 1300 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 1310 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
- a power source such as a battery
- the terminal structure shown in FIG. 13 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
- the input unit 1304 may include a graphics processor (Graphics Processing Unit, GPU) 13041 and a microphone 13042. Such as camera) to obtain still pictures or video image data for processing.
- the display unit 1306 may include a display panel 13061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
- the user input unit 1307 includes a touch panel 13071 and other input devices 13072 .
- the touch panel 13071 is also called a touch screen.
- the touch panel 13071 may include two parts, a touch detection device and a touch controller.
- Other input devices 13072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described herein again.
- the radio frequency unit 1301 receives the downlink data from the network side device, and then processes it to the processor 1310; in addition, sends the uplink data to the network side device.
- the radio frequency unit 1301 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
- Memory 1309 may be used to store software programs or instructions as well as various data.
- the memory 1309 may mainly include a stored program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
- the memory 1309 may include high-speed random access memory, and may also include non-transitory memory, wherein the non-transitory memory may be Read-Only Memory (ROM), Programmable Read-Only Memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
- ROM Read-Only Memory
- PROM Programmable Read-Only Memory
- PROM erasable programmable read-only memory
- Erasable PROM Erasable PROM
- EPROM electrically erasable programmable read-only memory
- EEPROM electrically erasable programmable read-only memory
- flash memory for example at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device.
- High-speed random access memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory ( Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DRRAM).
- RAM Random Access Memory
- SRAM static random access memory
- DRAM dynamic random access memory
- DRAM synchronous dynamic random access memory
- Synchronous DRAM SDRAM
- Double data rate synchronous dynamic random access memory Double Data Rate SDRAM, DDRSDRAM
- enhanced SDRAM synchronous dynamic random access memory
- Synch link DRAM, SLDRAM synchronous link dynamic random access memory
- Direct Rambus RAM Direct Rambus RAM
- the processor 1310 may include one or more processing units; optionally, the processor 1310 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 1310.
- the radio frequency unit 1301 is configured to acquire the second reference signal sent by the active unit when the active unit of the smart surface device supports sending signals;
- the radio frequency unit 1301 is further configured to send a fourth reference signal to the active unit when the active unit of the smart surface device supports receiving signals.
- the processor 1310 is configured to perform channel measurement on the second reference signal to obtain the second channel information.
- the radio frequency unit 1301 is further configured to send the second channel information to the network device.
- the radio frequency unit 1301 is further configured to acquire the parameters of the second reference signal or the fourth reference signal configured by the network side device.
- the reference signal includes at least one of the following:
- the reference signal adopts at least one of the following modes: time division multiplexing; frequency division multiplexing; code division multiplexing; wave speed scanning.
- the embodiment of the present application improves the efficiency of channel measurement, realizes accurate beam control for the smart surface device, and can support the generation of forwarding beams for complex smart surface devices with multiple terminals and multiple base stations.
- Embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the above-mentioned embodiment of the beam steering method for a smart surface device is implemented, And can achieve the same technical effect, in order to avoid repetition, it is not repeated here.
- the processor is the processor in the terminal described in the foregoing embodiment.
- the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
- An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the beam control of the above-mentioned smart surface device
- the chip includes a processor and a communication interface
- the communication interface is coupled to the processor
- the processor is configured to run a program or an instruction to implement the beam control of the above-mentioned smart surface device
- the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
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Abstract
Description
Claims (66)
- 一种智能表面设备的波束控制方法,包括:网络侧设备获得智能表面设备的有源单元的第一信道信息;其中,所述第一信道信息为所述网络侧设备与所述有源单元之间的信道信息;所述网络侧设备获得智能表面设备的有源单元的第二信道信息;其中,所述第二信道信息为终端与所述有源单元之间的信道信息;所述网络侧设备根据所述第一信道信息和第二信道信息,确定所述智能表面设备的单元阵列的控制信息;其中,所述单元阵列包括所述智能表面设备的有源单元和无源单元。
- 根据权利要求1所述的方法,其中,所述根据所述第一信道信息和第二信道信息,确定所述智能表面设备的单元阵列的控制信息,包括:根据所述第一信道信息和第二信道信息,得到所述智能表面设备的无源单元的第三信道信息和第四信道信息;其中,所述第三信道信息为所述网络侧设备与所述无源单元之间的信道信息,所述第四信道信息为所述终端与所述无源单元之间的信道信息;根据所述第三信道信息和第四信道信息,得到所述智能表面设备的单元阵列的控制信息。
- 根据权利要求1或2所述的方法,其中,在所述有源单元支持发送信号的情况下,所述获得智能表面设备的有源单元的第一信道信息包括:接收由所述有源单元发送的第一参考信号;通过对所述第一参考信号的信道测量,得到所述有源单元的第一信道信息。
- 根据权利要求1或2所述的方法,其中,在所述有源单元支持发送信号的情况下,所述获得智能表面设备的有源单元的第二信道信息, 包括:接收由所述终端发送的第二信道信息;其中,所述第二信道信息由所述终端通过对第二参考信号的信道测量得到,所述第二参考信号由所述有源单元发送给所述终端。
- 根据权利要求1或2所述的方法,其中,在所述有源单元支持接收信号的情况下,所述获得智能表面设备的有源单元的第一信道信息,包括:向所述有源单元发送第三参考信号;获取所述有源单元发送的第一信道信息;其中,所述第一信道信息为所述有源单元通过对所述第三参考信号进行信道测量得到。
- 根据权利要求1或2所述的方法,其中,在所述有源单元支持接收信号的情况下,所述获得智能表面设备的有源单元的第二信道信息,包括:获取由所述有源单元发送的第二信道信息;其中,所述第二信道信息为所述有源单元通过对第四参考信号进行信道测量得到,所述第四参考信号由所述终端发送给所述有源单元。
- 根据权利要求2所述的方法,其中,所述根据所述第一信道信息和第二信道信息,得到所述智能表面设备的无源单元的第三信道信息和第四信道信息,包括:根据所述第一信道信息和第二信道信息,通过插值算法得到所述智能表面设备的无源单元的第三信道信息和第四信道信息。
- 根据权利要求1或2所述的方法,其中,在所述网络侧设备获得智能表面设备的有源单元的第一信道信息和/或第二信道信息之前,所述方法还包括:获取智能表面设备上报的设备参数,所述设备参数包括以下至少一项:设备类型;设备尺寸;有源单元的类型;有源单元的位置;有源单元的数量;有源单元的能力;无源单元的能力。
- 根据权利要求1或2所述的方法,其中,所述在确定所述智能表面设备的单元阵列的控制信息之后,所述方法还包括:将所述单元阵列的控制信息发送给所述智能表面设备,所述控制信息包括:所述智能表面设备各无源单元的工作状态。
- 根据权利要求1或2所述的方法,其中,所述方法还包括:向所述智能表面设备发送参数需求,所述参数需求用于使所述智能表面设备确定所述智能表面设备各无源单元的工作状态;其中,所述参数需求包括以下至少一项:波束方向;所述基站与终端间的信道测量结果;多个波束的功率和相位关系。
- 根据权利要求1或2所述的方法,其中,所述在确定所述智能表面设备的单元阵列的控制信息之后,所述方法还包括:通过信道测量确定所述网络侧设备和/或所述终端的波束赋形参数。
- 根据权利要求1或2所述的方法,其中,所述参考信号包括以下至少一类:同步信号块;信道状态信息参考信号;解调参考信号;定位参考信号;探测参考信号;物理随机接入信道参考信号;副链路参考信号;用于智能表面设备信道测量的专用参考信号。
- 根据权利要求1或2所述的方法,其中,所述参考信号采用以下至少一种方式:时分复用;频分复用;码分复用;波速扫描。
- 一种智能表面设备的波束控制装置,包括:第一测量模块,用于获得智能表面设备的有源单元的第一信道信息;其中,所述第一信道信息为网络侧设备与所述有源单元之间的信道信息;第二测量模块,用于获得智能表面设备的有源单元的第二信道信息;其中,所述第二信道信息为终端与所述有源单元之间的信道信息;控制模块,用于根据所述第一信道信息和第二信道信息,确定所述智能表面设备的单元阵列的控制信息;其中,所述单元阵列包括所述智能表面设备的有源单元和无源单元。
- 根据权利要求14所述的装置,其中,所述控制模块用于:根据所述第一信道信息和第二信道信息,得到所述智能表面设备的无源单元的第三信道信息和第四信道信息;其中,所述第三信道信息为所述网络侧设备与所述无源单元之间的信道信息,所述第四信道信息为所述终端与所述无源单元之间的信道信息;根据所述第三信道信息和第四信道信息,得到所述智能表面设备的单元阵列的控制信息。
- 根据权利要求14或15所述的装置,其中,在所述有源单元支持发送信号的情况下,所述第一测量模块用于:接收由所述有源单元发送的第一参考信号;通过对所述第一参考信号的信道测量,得到所述有源单元的第一信道信息。
- 根据权利要求14或15所述的装置,其中,在所述有源单元支持发送信号的情况下,所述第二测量模块用于:接收由所述终端发送的第二信道信息;其中,所述第二信道信息由所述终端通过对第二参考信号的信道测量得到,所述第二参考信号由所述有源单元发送给所述终端。
- 根据权利要求14或15所述的装置,其中,在所述有源单元支持接收信号的情况下,所述第一测量模块用于:向所述有源单元发送第三参考信号;获取所述有源单元发送的第一信道信息;其中,所述第一信道信息为所述有源单元通过对所述第三参考信号进行信道测量得到。
- 根据权利要求14或15所述的装置,其中,在所述有源单元支持接收信号的情况下,所述第二测量模块用于:获取由所述有源单元发送的第二信道信息;其中,所述第二信道信息为所述有源单元通过对第四参考信号进行信道测量得到,所述第四参考信号由所述终端发送给所述有源单元。
- 根据权利要求15所述的装置,其中,所述控制模块用于:根据所述第一信道信息和第二信道信息,通过插值算法得到所述智能表面设备的无源单元的第三信道信息和第四信道信息。
- 根据权利要求14或15所述的装置,其中,所述控制模块还用于获取智能表面设备上报的设备参数,所述设备参数包括以下至少一项:设备类型;设备尺寸;有源单元的类型;有源单元的位置;有源单元的数量;有源单元的能力;无源单元的能力。
- 根据权利要求14或15所述的装置,其中,所述控制模块还用于:将所述单元阵列的控制信息发送给所述智能表面设备,所述控制信息包括:所述智能表面设备各无源单元的工作状态。
- 根据权利要求14或15所述的装置,其中,所述控制模块还用于向所述智能表面设备发送参数需求,所述参数需求用于使所述智能表面设备确定所述智能表面设备各无源单元的工作状态;其中,所述参数需求包括以下至少一项:波束方向;所述基站与终端间的信道测量结果;多个波束的功率和相位关系。
- 根据权利要求14或15所述的装置,其中,所述控制模块还用于通过信道测量确定所述网络侧设备和/或所述终端的波束赋形参数。
- 根据权利要求14或15所述的装置,其中,所述参考信号包括以下至少一类:同步信号块;信道状态信息参考信号;解调参考信号;定位参考信号;探测参考信号;物理随机接入信道参考信号;副链路参考信号;用于智能表面设备信道测量的专用参考信号。
- 根据权利要求14或15所述的装置,其中,所述参考信号采用以下至少一种方式:时分复用;频分复用;码分复用;波速扫描。
- 一种智能表面设备的波束控制方法,包括:在智能表面设备的有源单元支持发送信号的情况下,终端获取由所述有源单元发送的第二参考信号;在智能表面设备的有源单元支持接收信号的情况下,终端向所述有源单元发送第四参考信号;其中,所述第二参考信号或第四参考信号用于得到所述有源单元的第二信道信息,所述第二信道信息为所述终端与所述有源单元之间的信道信息,所述第二信道信息用于与第一信道信息确定所述智能表面设备的单元阵列的控制信息,所述单元阵列包括所述智能表面设备的有源单元和无源单元,所述第一信道信息为网络侧设备与有源单元之间的信道信息。
- 根据权利要求27所述的方法,其中,在获取由所述有源单元发送的第二参考信号后,所述方法还包括:对所述第二参考信号进行信道测量,得到所述第二信道信息并发送给所述网络设备。
- 根据权利要求27所述的方法,其中,所述方法还包括:获取由网络侧设备配置的所述第二参考信号或第四参考信号的参数。
- 根据权利要求27所述的方法,其中,所述参考信号包括以下至少一类:信道状态信息参考信号;解调参考信号;定位参考信号;探测参考信号;物理随机接入信道参考信号;副链路参考信号;用于智能表面设备信道测量的专用参考信号。
- 根据权利要求27所述的方法,其中,所述参考信号采用以下至少一种方式:时分复用;频分复用;码分复用;波速扫描。
- 一种智能表面设备的波束控制装置,包括:第一获取模块,用于在智能表面设备的有源单元支持发送信号的情况下,获取由所述有源单元发送的第二参考信号;第二获取模块,用于在智能表面设备的有源单元支持接收信号的情况下,向所述有源单元发送第四参考信号;其中,所述第二参考信号或第四参考信号用于得到所述有源单元的第二信道信息,所述第二信道信息为所述终端与所述有源单元之间的信道信息,所述第二信道信息用于与第一信道信息确定所述智能表面设备的单元阵列的控制信息,所述单元阵列包括所述智能表面设备的有源单元和无源单元,所述第一信道信息为网络侧设备与有源单元之间的信道信息。
- 根据权利要求32所述的装置,其中,所述第一获取模块还用于对所述第二参考信号进行信道测量,得到所述第二信道信息并发送给所述网络设备。
- 根据权利要求32所述的装置,其中,所述第一获取模块或第二 获取模块还用于获取由网络侧设备配置的所述第二参考信号或第四参考信号的参数。
- 根据权利要求32所述的装置,其中,所述参考信号包括以下至少一类:信道状态信息参考信号;解调参考信号;定位参考信号;探测参考信号;物理随机接入信道参考信号;副链路参考信号;用于智能表面设备信道测量的专用参考信号。
- 根据权利要求32所述的装置,其中,所述参考信号采用以下至少一种方式:时分复用;频分复用;码分复用;波速扫描。
- 一种智能表面设备的波束控制方法,包括:智能表面设备通过有源单元与网络测设备进行信道测量;其中,所述有源单元与网络侧设备的信道测量用于得到有源单元的第一信道信息,所述第一信道信息为所述网络侧设备与所述有源单元之间的信道信息;智能表面设备通过有源单元与终端进行信道测量;其中,所述有源单元与终端的信道测量用于得到第二信道信息,所述第二信道信息为终端与所述有源单元之间的信道信息;智能表面设备得到单元阵列的控制信息;其中,所述控制信息为基于第一信道信息和第二信道信息得到的,所述单元阵列包括所述智能表 面设备的有源单元和无源单元。
- 根据权利要求37所述的方法,其中,在所述有源单元支持发送信号的情况下,所述通过有源单元与网络测设备进行信道测量包括:向网络侧设备发送第一参考信号,以使所述网络侧设备通过对所述第一参考信号进行信道测量得到第一信道信息。
- 根据权利要求37所述的方法,其中,在所述有源单元支持发送信号的情况下,所述通过有源单元与终端进行信道测量包括:向终端发送第二参考信号,以使所述终端通过对第二参考信号进行信道测量得到第二信道信息。
- 根据权利要求37所述的方法,其中,在所述有源单元支持接收信号的情况下,所述通过有源单元与网络测设备进行信道测量包括:接收由网络侧设备发送的第三参考信号,并通过对所述第三参考信号进行信道测量得到第一信道信息。
- 根据权利要求37所述的方法,其中,在所述有源单元支持接收信号的情况下,所述通过有源单元与终端进行信道测量包括:接收由终端发送的第四参考信号,并通过对所述第四参考信号进行信道测量得到第二信道信息。
- 根据权利要求40或41所述的方法,其中,所述方法还包括:将第一信道信息和/或第二信道信息上报给所述网络侧设备。
- 根据权利要求42所述的方法,其中,所述得到单元阵列的控制信息包括:接收由网络侧设备发送的单元阵列的控制信息。
- 根据权利要求37所述的方法,其中,所述得到单元阵列的控制信息,包括:根据所述第一信道信息和第二信道信息,得到所述智能表面设备的无源单元的第三信道信息和第四信道信息;根据所述第三信道信息和第四信道信息,得到所述智能表面设备的 单元阵列的控制信息;其中,所述控制信息包括:所述智能表面设备各无源单元的工作状态。
- 根据权利要求44所述的方法,其中,所述根据所述第一信道信息和第二信道信息,得到所述智能表面设备的无源单元的第三信道信息和第四信道信息,包括:根据所述第一信道信息和第二信道信息,通过插值算法得到所述智能表面设备的无源单元的第三信道信息和第四信道信息。
- 根据权利要求37所述的方法,其中,所述方法还包括:接收由所述网络侧设备发送的参数需求,所述参数需求用于使所述智能表面设备确定所述智能表面设备各无源单元的工作状态;其中,所述参数需求包括以下至少一项:波束方向;所述基站与终端间的信道测量结果;多个波束的功率和相位关系。
- 根据权利要求37所述的方法,其中,所述方法还包括:向网络侧设备上报的所述智能表面设备的设备参数,所述设备参数包括以下至少一项:设备类型;设备尺寸;有源单元的类型;有源单元的位置;有源单元的数量;有源单元的能力;无源单元的能力。
- 根据权利要求37所述的方法,其中,所述参考信号包括以下至少一类:同步信号块;信道状态信息参考信号;解调参考信号;定位参考信号;探测参考信号;物理随机接入信道参考信号;副链路参考信号;用于智能表面设备信道测量的专用参考信号。
- 根据权利要求37所述的方法,其中,所述参考信号采用以下至少一种方式:时分复用;频分复用;码分复用;波速扫描。
- 一种智能表面设备的波束控制装置,包括:第一通信模块,用于通过有源单元与网络测设备进行信道测量;其中,所述有源单元与网络侧设备的信道测量用于得到有源单元的第一信道信息,所述第一信道信息为所述网络侧设备与所述有源单元之间的信道信息;第二通信模块,用于通过有源单元与终端进行信道测量;其中,所述有源单元与终端的信道测量用于得到第二信道信息,所述第二信道信息为终端与所述有源单元之间的信道信息;执行模块,用于得到单元阵列的控制信息;其中,所述控制信息为基于第一信道信息和第二信道信息得到的,所述单元阵列包括所述智能表面设备的有源单元和无源单元。
- 根据权利要求50所述的装置,其中,在所述有源单元支持发送信号的情况下,所述第一通信模块用于向网络侧设备发送第一参考信号,以使所述网络侧设备通过对所述第一参考信号进行信道测量得到第 一信道信息。
- 根据权利要求50所述的装置,其中,在所述有源单元支持发送信号的情况下,所述第二通信模块用于向终端发送第二参考信号,以使所述终端通过对第二参考信号进行信道测量得到第二信道信息。
- 根据权利要求50所述的装置,其中,在所述有源单元支持接收信号的情况下,所述第一通信模块用于接收由网络侧设备发送的第三参考信号,并通过对所述第三参考信号进行信道测量得到第一信道信息。
- 根据权利要求50所述的装置,其中,在所述有源单元支持接收信号的情况下,所述第二通信模块用于接收由终端发送的第四参考信号,并通过对所述第四参考信号进行信道测量得到第二信道信息。
- 根据权利要求53或54所述的装置,其中,所述执行模块还用于将第一信道信息和/或第二信道信息上报给所述网络侧设备。
- 根据权利要求55所述的装置,其中,所述执行模块用于接收由网络侧设备发送的单元阵列的控制信息。
- 根据权利要求50所述的装置,其中,所述执行模块用于根据所述第一信道信息和第二信道信息,得到所述智能表面设备的无源单元的第三信道信息和第四信道信息;根据所述第三信道信息和第四信道信息,得到所述智能表面设备的单元阵列的控制信息;其中,所述控制信息包括:所述智能表面设备各无源单元的工作状态。
- 根据权利要求57所述的装置,其中,所述执行模块用于根据所述第一信道信息和第二信道信息,通过插值算法得到所述智能表面设备的无源单元的第三信道信息和第四信道信息。
- 根据权利要求50所述的装置,其中,所述执行模块还用于接收由所述网络侧设备发送的参数需求,所述参数需求用于使所述智能表面设备确定所述智能表面设备各无源单元的工作状态;其中,所述参数需求包括以下至少一项:波束方向;所述基站与终端间的信道测量结果;多个波束的功率和相位关系。
- 根据权利要求50所述的装置,其中,所述执行模块还用于向网络侧设备上报的所述智能表面设备的设备参数,所述设备参数包括以下至少一项:设备类型;设备尺寸;有源单元的类型;有源单元的位置;有源单元的数量;有源单元的能力;无源单元的能力。
- 根据权利要求50所述的装置,其中,所述参考信号包括以下至少一类:同步信号块;信道状态信息参考信号;解调参考信号;定位参考信号;探测参考信号;物理随机接入信道参考信号;副链路参考信号;用于智能表面设备信道测量的专用参考信号。
- 根据权利要求50所述的装置,其中,所述参考信号采用以下至少一种方式:时分复用;频分复用;码分复用;波速扫描。
- 一种终端,包括处理器,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求27至31任一项所述的智能表面设备的波束控制方法的步骤。
- 一种网络侧设备,包括处理器,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求1至13任一项所述的智能表面设备的波束控制方法的步骤。
- 一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如权利要求1至13任一项所述的智能表面设备的波束控制方法,或者实现如权利要求27至31任一项所述的智能表面设备的波束控制方法,或者实现如权利要求37至49任一项所述的智能表面设备的波束控制方法的步骤。
- 一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如权利要求1至13任一项所述的智能表面设备的波束控制方法,或者实现如权利要求27至31任一项所述的智能表面设备的波束控制方法,或者实现如权利要求37至49任一项所述的智能表面设备的波束控制方法的步骤。
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