WO2023025026A1 - Beam control method and apparatus, and signal repeater - Google Patents

Abstract

The present application belongs to the technical field of communications. Disclosed are a beam control method and apparatus, and a signal repeater. The beam control method in the embodiments of the present application comprises: a signal repeater acquiring reference signal resource configuration information or reference signal transmission activation information, which correspond to at least one terminal; and the signal repeater determining, according to the reference signal resource configuration information or the reference signal transmission activation information, beam information for reference signal transmission between the signal repeater and a corresponding terminal.

Description

Beam control method, device and signal relay equipment

Cross References to Related Applications

This application claims priority to Chinese Patent Application No. 202110975588.2 filed in China on Aug. 24, 2021, the entire contents of which are hereby incorporated by reference.

technical field

The present application belongs to the technical field of communication, and in particular relates to a beam control method, device and signal relay equipment.

Background technique

The signal repeater is used to expand the coverage of the cell, including receiving and amplifying the downlink signal from the upstream base station, so that the signal strength reaching the terminal increases; amplifying the uplink signal from the terminal, so that the uplink signal from the terminal to the upstream base station increased strength.

The signal relay device can receive control from the upstream base station (donor), that is, the base station can control the transmission parameters of the signal relay device, such as the switch and transmission beam of the signal relay device, to improve the working efficiency and Reduce distractions.

The network structure shown in Figure 1 includes 3 network nodes, which are terminal 1, signal relay device 2 and base station 3, and signal relay device 2 includes a terminal module (Mobile Termination, MT) and a relay module (Repeater Unit , RU), where the MT can establish a connection with the upstream base station, and the base station exchanges control signaling with the RU through the MT; or, the signal relay device 2 includes an RU, and the RU directly establishes a connection with the upstream base station and exchanges control signaling.

The existing beam training or beam indication methods only involve the beam control between the base station and the terminal. When the signal relay device is introduced between the base station and the terminal, the existing technology can realize the beam control from the base station to the signal relay device, which cannot Realize the beam control between the signal relay device and the terminal.

Contents of the invention

Embodiments of the present application provide a beam control method, device, and signal relay device, which can solve the problem of beam control between the signal relay device and the terminal in the prior art.

In a first aspect, a beam control method is provided, including:

The signal relay device acquires reference signal resource configuration information or reference signal transmission activation information corresponding to at least one terminal;

The signal relay device determines, according to the reference signal resource configuration information or reference signal transmission activation information, beam information for performing reference signal transmission between the signal relay device and a corresponding terminal.

In a second aspect, a beam control method is provided, the method comprising:

The signal relay device acquires resource configuration information or scheduling information used by the terminal for sending and/or receiving the first channel;

The signal relay device determines the downlink transmission beam indication information or the uplink reception beam indication information associated with the first channel according to the resource configuration information or scheduling information;

Determine a downlink sending beam or an uplink receiving beam for transmitting the first channel according to downlink sending beam indication information or uplink receiving beam indication information associated with the first channel.

In a third aspect, a beam control device is provided, including:

A first acquiring module, configured to acquire reference signal resource configuration information or reference signal transmission activation information corresponding to at least one terminal;

The first determining module is configured to determine beam information for performing reference signal transmission between the signal relay device and the corresponding terminal according to the reference signal resource configuration information or reference signal transmission activation information.

In a fourth aspect, a beam control device is provided, the device comprising:

The second acquiring module is configured to acquire resource configuration information or scheduling information used for sending and/or receiving the first channel of the terminal;

The second determination module is configured to determine the downlink transmission beam indication information or the uplink reception beam indication information associated with the first channel according to the resource configuration information or the scheduling information;

The third determination module is configured to determine a downlink transmission beam or an uplink reception beam for transmitting the first channel according to downlink transmission beam indication information or uplink reception beam indication information associated with the first channel.

In a fifth aspect, a signal relay device is provided, the signal relay device includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor, the program or instruction being The processor implements the steps of the method described in the first aspect, or implements the steps of the method described in the second aspect when executed.

In a sixth aspect, a signal relay device is provided, including a processor and a communication interface, wherein the communication interface is used to obtain reference signal resource configuration information or reference signal transmission activation information corresponding to at least one terminal, and the processor uses According to the reference signal resource configuration information or the reference signal transmission activation information, determine the beam information for the reference signal transmission between the signal relay device and the corresponding terminal.

In a seventh aspect, a signal relay device is provided, including a processor and a communication interface, wherein the communication interface is used to acquire resource configuration information or scheduling information used for sending and/or receiving a first channel of a terminal, The processor is configured to determine, according to the resource configuration information or scheduling information, the downlink transmit beam indication information or the uplink receive beam indication information associated with the first channel; and determine the downlink transmit beam indication information or the uplink receive beam indication information associated with the first channel The uplink receiving beam indication information determines the downlink sending beam or the uplink receiving beam for transmitting the first channel.

In the eighth aspect, a readable storage medium is provided, and programs or instructions are stored on the readable storage medium, and when the programs or instructions are executed by a processor, the steps of the method described in the first aspect are realized, or the steps of the method described in the first aspect are realized, or The steps of the method described in the second aspect.

A ninth aspect provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, the processor is used to run programs or instructions, and implement the method as described in the first aspect , or implement the method described in the second aspect.

In a tenth aspect, a computer program/program product is provided, the computer program/program product is stored in a non-volatile storage medium, and the computer program/program product is executed by at least one processor to implement the first The steps of the method described in the first aspect, or the steps of implementing the method described in the second aspect.

In an eleventh aspect, there is provided a signal relay device configured to perform the steps of the method described in the first aspect, or configured to perform the steps of the method described in the second aspect.

In this embodiment of the application, the signal relay device determines the reference signal transmission beam information between the signal relay device and the terminal according to the reference signal resource configuration information or reference signal transmission activation information corresponding to the terminal, so as to perform beam training and determine the information based on the terminal The downlink transmit beam and/or uplink receive beam realize terminal-based beam control, thereby increasing the utilization rate of transmission resources and increasing the stability of terminal connections in the network.

Description of drawings

FIG. 1 shows a block diagram of a wireless communication system to which an embodiment of the present application is applicable;

FIG. 2 shows one of the flow charts of the steps of the beam control method provided by the embodiment of the present application;

FIG. 3 shows an example diagram of the first reference beam in the beam control method provided by the embodiment of the present application;

FIG. 4 shows another example diagram of the first reference beam in the beam control method provided by the embodiment of the present application;

FIG. 5 shows an example diagram of beam indication in the beam control method provided by the embodiment of the present application;

FIG. 6 shows one of the example diagrams of the second reference beam in the beam control method provided by the embodiment of the present application;

FIG. 7 shows the second example diagram of the second reference beam in the beam control method provided by the embodiment of the present application;

FIG. 8 shows the third example diagram of the second reference beam in the beam control method provided by the embodiment of the present application;

FIG. 9 shows the fourth example diagram of the second reference beam in the beam control method provided by the embodiment of the present application;

FIG. 10 shows the second flow chart of the steps of the beam control method provided by the embodiment of the present application;

FIG. 11 shows one of the structural schematic diagrams of the beam control device provided by the embodiment of the present application;

Fig. 12 shows the second structural schematic diagram of the beam control device provided by the embodiment of the present application;

FIG. 13 shows a schematic structural diagram of a signal relay device provided by an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all of them. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in this application belong to the protection scope of this application.

The terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein and that "first" and "second" distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects. In addition, "and/or" in the description and claims means at least one of the connected objects, and the character "/" generally means that the related objects are an "or" relationship.

It is worth noting that the technology described in the embodiment of this application is not limited to the Long Term Evolution (Long Term Evolution, LTE)/LTE-Advanced (LTE-Advanced, LTE-A) system, and can also be used in other wireless communication systems, such as code Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access, OFDMA), Single-carrier Frequency-Division Multiple Access (Single-carrier Frequency-Division Multiple Access, SC-FDMA) and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described technology can be used for the above-mentioned system and radio technology, and can also be used for other systems and radio technologies. The following description describes the New Radio (NR) system for illustrative purposes, and uses NR terminology in most of the following descriptions, but these techniques can also be applied to applications other than NR system applications, such as the 6th generation (6 ^th Generation, 6G) communication system.

Fig. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application is applicable. The wireless communication system includes a terminal 1 , a signal relay device 2 and a base station 3 . Wherein, the terminal 1 can also be called a terminal device or a user equipment (User Equipment, UE), and the terminal 1 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE) and other terminal-side equipment, wearable devices include: smart watches, bracelets, earphones, glasses, etc. It should be noted that, the embodiment of the present application does not limit the specific type of the terminal 1 . Among them, the base station can be called Node B, evolved Node B, access point, base transceiver station (Base Transceiver Station, BTS), radio base station, radio transceiver, basic service set (Basic Service Set, BSS), extended service Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, Wireless Local Area Network (WLAN) Access Point, Wireless Fidelity , WiFi) node, Transmitting Receiving Point (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. It should be noted that in this In the embodiment of the application, only the base station in the NR system is taken as an example, but the specific type of the base station is not limited.

The beam control method, device, and signal relay device provided in the embodiments of the present application will be described in detail below through some embodiments and application scenarios with reference to the accompanying drawings.

As shown in Figure 2, this embodiment of the present application provides a beam control method, including:

Step 201, the signal relay device acquires reference signal resource configuration information or reference signal transmission activation information corresponding to at least one terminal;

Step 202, the signal relay device determines beam information for performing reference signal transmission between the signal relay device and a corresponding terminal according to the reference signal resource configuration information or reference signal transmission activation information.

In at least one embodiment of the present application, the reference signal resource configuration information or reference signal transmission activation information is specific to each terminal, for example, the signal relay device obtains the reference signal resource configuration information 1 or reference signal transmission activation information 1 corresponding to terminal 1, The reference signal resource configuration information 2 or reference signal transmission activation information 2 corresponding to the terminal 2 and the reference signal resource configuration information 3 or parameter signal transmission activation information 3 corresponding to the terminal 3 .

Correspondingly, the signal relay device determines the beam information for the reference signal transmission between the signal relay device and the terminal 1 according to the reference signal resource configuration information 1 or the reference signal transmission activation information 1; The configuration information 2 or the reference signal transmission activation information 2 determines the beam information of the reference signal transmission between the signal relay device and the terminal 2; and/or, the signal relay device according to the reference signal resource configuration information 3 or the reference signal transmission activation information 3, Determine beam information for reference signal transmission between the signal relay device and the terminal 3 .

In at least one optional embodiment of the present application, step 201 includes:

The signal relay device receives first indication information sent by the base station to the relay device, and the first indication information indicates reference signal resource configuration information or reference signal transmission activation information corresponding to at least one terminal; for example, the base station transmits to the signal The relay device indicates terminal-level reference signal resource configuration information or reference signal transmission activation information. Wherein, the reference signal resource configuration information or the reference signal transmission activation information may be terminal-specific or cell-specific.

Alternatively, step 201 includes:

The signal relay device blindly detects the transmission information of the base station, and determines the reference signal resource configuration information or reference signal transmission activation information corresponding to the at least one terminal; for example, the signal relay device obtains the terminal-specific Or cell-specific reference signal resource configuration information or reference signal transmission activation information.

Optionally, the base station notifies the signal relay device of terminal identifiers (Identifier(s), ID(s)) that require blind detection, or the base station notifies the signal relay device of the control resource set (control resource set) of terminals that require blind detection. , CORESET) or search space SS or physical downlink control channel (Physical Downlink Control Channel, PDCCH) configuration; no specific limitation is made here.

In at least one optional embodiment of the present application, the reference signal resource configuration information or reference signal transmission activation information includes at least one of the following:

Resource configuration information or transmission activation information of the downlink reference signal; for example, the downlink reference signal is a channel state information reference signal (Channel State Information Reference Signal, CSI-RS);

Resource configuration information or transmission activation information of the uplink reference signal; for example, the uplink reference signal is a sounding reference signal (Sounding Reference Signal, SRS).

For example, the resource configuration information of the CSI-RS includes: one of the time-frequency position of the CSI-RS resource, the quasi-co-location (Quasi Co-Location, QCL) information of the CSI-RS resource, the repetition information of the CSI-RS resource set, etc. or more. Optionally, the base station indicates the terminal ID of the terminal corresponding to the resource configuration information of the CSI-RS, or the cell identity of the cell corresponding to the resource configuration information of the CSI-RS.

For another example, the resource configuration information of the SRS includes: one or more of: the location of the SRS resource, the repetition information of the SRS resource, and the QCL information of the SRS resource. Optionally, the base station indicates the terminal ID of the terminal corresponding to the resource configuration information of the SRS.

In the case where the reference signal resource configuration information or reference signal transmission activation information includes downlink reference signal resource configuration information or transmission activation information, the downlink transmit beam training process of the signal relay device provided in the embodiment of the present application is as follows, that is, the steps 202 includes:

The signal relay device determines, according to the resource configuration information or transmission activation information of the downlink reference signal, the downlink transmission beam information for the signal relay device to send the downlink reference signal to the terminal;

And/or, in the case where the reference signal resource configuration information or reference signal transmission activation information includes resource configuration information or transmission activation information of uplink reference signals, the uplink receiving beam training process of the signal relay device provided in the embodiment of the present application As follows, step 202 includes:

The signal relay device determines, according to the resource configuration information or transmission activation information of the uplink reference signal, the uplink receiving beam information of the uplink reference signal sent by the signal relay device receiving terminal.

In at least one embodiment of the present application, the signal relay device determines, according to the resource configuration information or transmission activation information of the downlink reference signal, that the signal relay device sends the downlink transmission beam information of the downlink reference signal to the terminal, including downlink at least one of:

If the resource configuration information includes downlink reference signal resources with the same resource identifier, the signal relay device determines that the downlink transmit beams on the downlink reference signal resources are the same; - On the RS resource, the signal relay device uses the same downlink transmission beam to transmit the CSI-RS;

If the resource configuration information configures the quasi-co-located QCL relationship of the downlink reference signal, the signal relay device determines that the downlink transmission beam information for sending the downlink reference signal is: the same as the reference signal indicated by the QCL relationship beam; for example, for the transmission of information configured with a QCL relationship (QCL type D (type D)), the signal relay device uses the same beam as the reference signal indicated by the QCL relationship to transmit the information;

If the transmission activation information indicates a transmission beam of a downlink reference signal, the signal relay device determines that the downlink transmission beam information for sending the downlink reference signal is: the beam indicated by the transmission activation information;

If the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information are not repeated, the signal relay device determines that the downlink reference signal in the downlink reference signal resource set corresponds to different downlink transmission beams; for example, The CSI-RS resource set of the terminal is configured as "repeat off", and the signal relay device can use different beams to send the CSI-RS in the CSI-RS resource set;

If the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information are repeated, the signal relay device determines that the repeated downlink reference signal in the downlink reference signal resource set corresponds to the same downlink transmission beam; for example , the CSI-RS resource set of the terminal is configured as "repeat enabled", and the signal relay device can use the same beam to send repeated CSI-RS in the CSI-RS resource set.

In another optional embodiment of the present application, the signal relay device determines downlink transmission beam information for sending the downlink reference signal to the terminal by the signal relay device according to resource configuration information or transmission activation information of the downlink reference signal, Include at least one of the following:

The signal relay device determines the downlink transmission beam information according to the first reference beam indicated by the base station;

The signal relay device determines that the downlink sending beam information is a first preset beam.

The signal relay device determines that the downlink transmission beam information is the first reference beam indicated by the base station;

The signal relay device determines that the downlink transmission beam information is the beam indicated by the QCL relationship in the resource configuration information, for example, for periodic CSI-RS transmission, if the CSI-RS resource of the terminal is configured with a QCL relationship (such as CSI -RS resource indication (CSI-RS Resource Indicator, CRI) or synchronization signal block (Synchronization Signal block, SSB) index), the beam corresponding to the information identified by the CRI or SSB index sent by the signal relay device is the downlink transmission beam;

The signal relay device determines that the downlink transmission beam information is the beam indicated by the transmission activation information; for example, for the transmission of aperiodic or semi-static CSI-RS, if the base station activates the terminal to transmit CSI-RS, according to the TCI indication , the signal relay device determines that the beam corresponding to sending the information identified by the TCI is a downlink sending beam.

Optionally, the base station indicates the first reference beam in the form of a QCL relationship. For example, the first reference beam may be indicated by a certain CRI (CSI Reference Signal Resource Indicator) or SSB index or Transmission Configuration Indication (Transmission Configuration Indication, TCI), and the signal relay device sends the CRI or SSB index or TCI identification information The corresponding beam is the first reference beam.

Optionally, if there is an indication of the first reference beam, the signal relay device determines a transmission beam of the downlink reference signal according to the first reference beam. For example, when the signal relay device performs fine transmit beam training (finer transmit (TX) beam training), the base station can indicate the trained coarse transmit beam (coarse TX beam) as the first reference beam for the signal relay device, and the signal The relay device determines the fine beam to be trained according to the coarse sending beam. For example, when the CSI-RS resource set is configured as "off repetition", the first reference beam is beam #2 in FIG. 3 or beam #3 in FIG. 4 .

Optionally, if there is no indication of the first reference beam, the signal relay device may determine the CSI-RS transmission beam by itself, or determine the CSI-RS transmission beam according to a preset default beam. For example, if the base station does not indicate the first reference beam, the signal relay device uses the omnidirectional beam as a reference to determine the coarse transmit beam to be trained.

As an optional embodiment, the signal relay device determines the downlink transmission beam information according to the first reference beam indicated by the base station, including:

If the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information are not repeated, the signal relay device determines the downlink transmission beam information according to the first reference beam indicated by the base station;

And/or, as another optional embodiment, the signal relay device determining that the downlink transmission beam information is the first reference beam indicated by the base station includes:

If the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information overlap, the signal relay device determines that the downlink transmission beam information is the first reference beam information indicated by the base station;

And/or, as another optional embodiment, the signal relay device determines that the downlink transmission beam information is the beam indicated by the QCL relationship in the resource configuration information, including:

If the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information overlap, the signal relay device determines that the downlink transmission beam information is the beam information indicated by the QCL relationship in the resource configuration information;

And/or, as another optional embodiment, the signal relay device determining that the downlink transmission beam information is the beam indicated by the transmission activation information includes:

If the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information overlap, the signal relay device determines that the downlink transmission beam information is the beam indicated by the transmission activation information;

And/or, as yet another optional embodiment, the signal relay device determining that the downlink transmission beam information is the first preset beam includes:

In the case that there is no first reference beam indicated by the base station, the signal relay device determines that the downlink transmission beam information is the first preset beam.

It should be noted that the configuration object of the first reference beam may be each CSI-RS resource set or each CSI-RS resource, which is not specifically limited here.

Optionally, the method also includes:

The signal relay device receives the downlink transmission beam indication information corresponding to at least one terminal sent by the base station, and the downlink beam indication information is used to indicate the correspondence between the signal relay device and the downlink transmission beam of the corresponding terminal.

For example, the base station determines the downlink transmission beam of the signal relay device according to the channel state information CSI feedback of the terminal. As shown in Figure 5, the base station configures TCI to the terminal (that is, the direction of the downlink beam is indicated by the TCI), and notifies the signal relay device of the terminal Corresponding TCI configuration information, the downlink transmission beam training of the signal relay device is completed.

It should be noted that if a certain TCI configuration of the terminal is not notified to the signal relay device, the signal relay device can determine the corresponding downlink transmission beam by itself or perform downlink transmission according to the preset default beam.

In at least one optional embodiment of the present application, the signal relay device determines, according to the resource configuration information or transmission activation information of the uplink reference signal, the uplink reception beam information of the uplink reference signal sent by the signal relay device receiving terminal , including at least one of the following:

In the case where repeated uplink reference signal beams are configured on the uplink reference signal resources configured in the resource configuration information, the signal relay device determines that the uplink receiving beam information of the repeated uplink reference signals is different; for example, as shown in FIG. 6 shows that the SRS resource is used for uplink receive beam training, and the SRS resource is configured with "repetition", and the signal relay device can use different beams to receive different repetitions of the SRS resource;

When no repeated uplink reference signal beam is configured on the uplink reference signal resource configured in the resource configuration information, the signal relay device determines that the uplink receiving beam information of the uplink reference signal is the same; for example, as shown in FIG. 7 It shows that the SRS resource is used for the terminal uplink transmission beam training, the SRS resource is not configured as "repetition", and the signal relay device uses the same beam to receive the SRS.

In another optional embodiment of the present application, the signal relay device determines the uplink receiving beam information of the uplink reference signal sent by the signal relay device according to the resource configuration information or transmission activation information of the uplink reference signal , including at least one of the following:

The signal relay device determines the uplink receiving beam information according to the second reference beam indicated by the base station;

The signal relay device determines that the uplink receiving beam information is a second preset beam;

The signal relay device determines that the uplink reception beam information is the second reference beam indicated by the base station; for example, the SRS resource is used for terminal uplink transmission beam training, and the second reference beam is introduced for the SRS resource or SRS resource set, and the signal relay The device uses the second reference beam to receive the SRS; as shown in FIG. 8, beam #2 is the second reference beam;

The signal relay device determines that the uplink receiving beam information is the beam indicated by the QCL relationship in the resource configuration information;

The signal relay device determines that the uplink receiving beam information is the beam indicated by the transmission activation information.

Optionally, the base station indicates the second reference beam in the form of a QCL relationship. For example, the second reference beam may be indicated by a certain SRS resource indicator (SRS resource indicator, SRI), and the beam corresponding to the information identified by the SRI received by the signal relay device is the second reference beam.

Optionally, if there is an indication of the second reference beam, the signal relay device determines the receiving beam of the SRS according to the second reference beam. For example, when the signal relay device performs fine receive beam training (finer receive (RX) beam training), the base station can indicate the trained coarse receive beam (coarse RX beam) as the second reference beam for the signal relay device. The relay device determines the fine beam to be trained according to the coarse receiving beam. For example, the second reference beam is beam #2 in FIG. 9 .

Optionally, if there is no indication of the second reference beam, the signal relay device may determine the receiving beam of the SRS by itself, or determine the receiving beam of the SRS according to a preset default beam. For example, if the base station does not indicate the second reference beam, the signal relay device uses the omnidirectional beam as a reference to determine the coarse receiving beam to be trained.

As an optional embodiment, the signal relay device determines the uplink receiving beam information according to the second reference beam indicated by the base station, including:

If repeated uplink reference signal beams are configured on the uplink reference signal resources configured in the resource configuration information, the signal relay device determines the uplink reception beam information according to the second reference beam indicated by the base station;

And/or, as another optional embodiment, the signal relay device determining that the uplink receiving beam information is the second preset beam includes:

If there is no second reference beam indicated by the base station, the signal relay device determines that the uplink receiving beam information is a second preset beam;

And/or, as another optional embodiment, the signal relay device determines that the uplink receiving beam information is the second reference beam indicated by the base station, including:

If no repeated uplink reference signal beam is configured on the uplink reference signal resource configured in the resource configuration information, the signal relay device determines that the uplink receiving beam information is the second reference beam indicated by the base station;

And/or, as another optional embodiment, the signal relay device determines that the uplink receiving beam information is the beam indicated by the QCL relationship in the resource configuration information, including:

If no repeated uplink reference signal beam is configured on the uplink reference signal resource configured in the resource configuration information, the signal relay device determines that the uplink receiving beam information is the beam indicated by the QCL relationship in the resource configuration information;

And/or, as another optional embodiment, the signal relay device determining that the uplink reception beam information is the beam indicated by the transmission activation information includes:

If no repeated uplink reference signal beam is configured on the uplink reference signal resource configured in the resource configuration information, the signal relay device determines that the uplink receiving beam information is the beam indicated by the transmission activation information.

It should be noted that the configuration object of the second reference beam may be each SRS resource set or each SRS resource, which is not specifically limited here.

Optionally, the method also includes:

The signal relay device receives uplink receiving beam indication information corresponding to at least one terminal sent by the base station, and the uplink receiving beam indication information is used to indicate the correspondence between the signal relay device and the uplink receiving beam of the corresponding terminal.

Among them, according to the SRS measurement results, as shown in Figure 5, the base station indicates to the signal relay device the receiving beam corresponding to the SRI of the terminal, and configures the SRI to the terminal (that is, the direction of the uplink beam is indicated by the SRI), then the signal relay device's Uplink receive beam training is complete.

For example, the base station indicates to the signal relay device the SRS resource ID of the terminal and/or the SRS repetition number corresponding to the SRS resource ID, and the signal relay device receives the SRS indicated by the base station. receive beam.

As an optional embodiment, when the resource configuration information of the uplink reference signal includes: channel sounding reference signal SRS resource configuration information, and the SRS resource is not used for beam training, the method further includes:

The signal relay device uses the third reference beam indicated by the base station to receive the SRS on the SRS resource not used for beam training.

As another optional embodiment, when the resource configuration information of the uplink reference signal includes: SRS resource configuration information, and the QCL relationship configured in the SRS resource configuration information points to the reference signal resource indicator CRI or SSB index, the method further include:

The signal relay device uses the same beam as the CRI or SSB index to receive corresponding information corresponding to the uplink scheduling request indication SRI.

For example, the signal relay device obtains the resource configuration information of the SRS of the terminal. If the QCL relationship of the SRS resource configuration points to a CRI or SSB index, when the signal relay device receives the information corresponding to the SRI, it uses the same method as sending the CRI or SSB index. beam.

In at least one embodiment of the present application, after the beam training is completed, the method further includes:

The signal relay device acquires resource configuration information or scheduling information used by the terminal for sending and/or receiving the first channel;

The signal relay device determines the downlink transmission beam indication information or the uplink reception beam indication information associated with the first channel according to the resource configuration information or scheduling information;

The signal relay device determines a downlink sending beam or an uplink receiving beam for transmitting the first channel according to downlink sending beam indication information or uplink receiving beam indication information associated with the first channel.

For example, the signal relay device obtains terminal-level TCI information or SRI information from the base station, and the signal relay device determines the beam for transmitting (sending or receiving) the channel according to the TCI information or SRI information associated with a certain channel (or signal).

As an optional embodiment, the resource configuration information or scheduling information includes at least one of the following:

Time-frequency domain resource location information;

Beam indication related information;

Terminal identification information.

As another optional embodiment, the time-frequency domain resource location information includes at least one of the following:

The control resource set or search space configured by the base station for the terminal;

There is a (potential) set of control resources or search spaces for the first channel transmission;

Transmission resources of the first channel.

Optionally, the first channel is at least one of a Physical Downlink Shared Channel (PDSCH), a Physical Uplink Control Channel (PUCCH), and a Physical Uplink Shared Channel (PUSCH). one item.

For example, for a signal relay device to send PDCCH:

The signal relay device acquires terminal-level CORESET/search space (Search Space, SS) configuration information. Optionally, the configuration information includes time domain and/or frequency domain resource location information of CORESET/SS, QCL configuration information of CORESET, etc., and corresponding UE ID (not excluding UE public (UE-common) information). The signal relay device determines the beam on the CORESET/SS position according to the QCL configuration information of the CORESET/SS.

Optionally, the signal relay device may obtain a PDCCH monitoring opportunity for existing (potential) PDCCH transmission. The signal relay device determines the beam of the signal relay device at the position of the PDCCH listening opportunity according to the QCL configuration information of the CORESET/SS.

For another example, for the signal relay device to send PDCCH;

The signal relay device obtains PDCCH scheduling information at the terminal level. Optionally, the scheduling information includes time-domain and/or frequency-domain resource location information for PDCCH transmission, time-domain and/or frequency-domain resource location information for potential PDCCH transmission, TCI indication information for PDCCH transmission, etc., and corresponding UE ID (excluding UE-common scheduling information).

The signal relay device determines the beam of the signal relay device at the PDCCH transmission position according to the corresponding CORESET/SS QCL configuration information or the beam indication information of PDCCH transmission.

For another example, for the signal relay device to send PDSCH or receive PUCCH or receive PUSCH:

The signal relay device acquires terminal-level PDSCH or PUCCH or PUSCH scheduling information. Optionally, the scheduling information includes time domain and/or frequency domain resource location information for PDSCH/PUCCH/PUSCH transmission, TCI/ SRI indication information, etc., and the corresponding UE ID (not excluding UE-common scheduling information).

The signal relay device determines the beam of the signal relay device at the transmission position of the PDSCH or PUCCH or PUSCH according to the beam indication information (TCI or SRI) transmitted by the corresponding PDSCH or PUCCH or PUSCH.

Optionally, the signal relay device acquires resource configuration information or scheduling information used by the terminal for sending and/or receiving the first channel, including:

The signal relay device receives second indication information sent by the base station through high-level signaling or physical layer signaling, where the second indication information indicates resource configuration information or scheduling information of the first channel;

For example, the base station uses high-level signaling (radio resource control (Radio Resource Control, RRC) or media access control layer control element (media access control control element, MAC CE)) or physical layer signaling (downlink control information (Downlink Control Information) , DCI)) sending the second indication information. For example, a MAC CE-specific logical channel identifier (Logical Channel Identify, LCID) or a MAC CE-specific domain indicates the type of information contained in the MAC CE. If DCI is used to notify, use a specific DCI format or Radio Network Tempory Identity (RNTI) or control resource set CORESET or search space SS to distinguish the type of information indicated by the DCI, or the specific domain identifier in the DCI The type of information indicated by the above DCI.

Alternatively, the signal relay device acquires resource configuration information or scheduling information used by the terminal for sending and/or receiving the first channel, including:

The signal relay device blindly detects the transmission information of the base station, and obtains resource configuration information or scheduling information of the first channel.

For example, the signal relay device obtains the scheduling information of the first channel by blindly detecting the scheduling signaling of the terminal. The first channel is the physical downlink shared channel PDSCH, or the physical uplink control channel PUCCH, or the physical uplink shared channel PUSCH.

Optionally, after obtaining certain CORESET/SS configuration information (such as terminal-level CORESET/SS configuration information), the signal relay device performs blind detection at a corresponding position to obtain the scheduling information.

Optionally, the base station uses a signal relay device for the terminal ID(s) or CORESET/SS configuration of the terminal that requires blind detection, thereby reducing the difficulty of blind detection and improving the efficiency of blind detection.

To sum up, in the embodiment of this application, the signal relay device determines the reference signal transmission beam information between the signal relay device and the terminal according to the reference signal resource configuration information or reference signal transmission activation information corresponding to the terminal, so as to perform beam training Determine the downlink transmission beam and/or uplink reception beam based on the terminal, and realize the beam control based on the terminal, thereby increasing the utilization rate of transmission resources and increasing the stability of the terminal connection in the network.

As shown in Figure 10, the embodiment of the present application also provides a beam control method, the method includes:

Step 1001, the signal relay device acquires resource configuration information or scheduling information used by the terminal for sending and/or receiving the first channel;

Step 1002, the signal relay device determines the downlink transmission beam indication information or the uplink reception beam indication information associated with the first channel according to the resource configuration information or scheduling information;

Step 1003, the signal relay device determines a downlink transmission beam or an uplink reception beam for transmitting the first channel according to downlink transmission beam indication information or uplink reception beam indication information associated with the first channel.

For example, the signal relay device obtains terminal-level TCI information or SRI information from the base station, and the signal relay device determines the beam for transmitting (sending or receiving) the channel according to the TCI information or SRI information associated with a certain channel (or signal).

As an optional embodiment, the resource configuration information or scheduling information includes at least one of the following:

Time-frequency domain resource location information;

Beam indication related information;

Terminal identification information.

As another optional embodiment, the time-frequency domain resource location information includes at least one of the following:

The control resource set or search space configured by the base station for the terminal;

There is a (potential) set of control resources or search spaces for the first channel transmission;

Transmission resources of the first channel.

Optionally, the first channel is at least one of a physical downlink shared channel PDSCH, a physical uplink control channel PUCCH, and a physical uplink shared channel PUSCH.

For example, for a signal relay device to send PDCCH:

The signal relay device acquires CORESET/SS configuration information at the terminal level. Optionally, the configuration information includes time domain and/or frequency domain resource location information of CORESET/SS, QCL configuration information of CORESET, etc., and corresponding UE ID (not excluding UE-common information). The signal relay device determines the beam on the CORESET/SS position according to the QCL configuration information of the CORESET/SS.

Optionally, the signal relay device may obtain a PDCCH monitoring opportunity for existing (potential) PDCCH transmission. The signal relay device determines the beam of the signal relay device at the position of the PDCCH listening opportunity according to the QCL configuration information of the CORESET/SS.

For another example, for the signal relay device to send PDCCH;

The signal relay device obtains PDCCH scheduling information at the terminal level. Optionally, the scheduling information includes time-domain and/or frequency-domain resource location information for PDCCH transmission, time-domain and/or frequency-domain resource location information for potential PDCCH transmission, TCI indication information for PDCCH transmission, etc., and corresponding UE ID (excluding UE-common scheduling information).

The signal relay device determines the beam of the signal relay device at the PDCCH transmission position according to the corresponding CORESET/SS QCL configuration information or the beam indication information of PDCCH transmission.

For another example, for the signal relay device to send PDSCH or receive PUCCH or receive PUSCH:

The signal relay device acquires terminal-level PDSCH or PUCCH or PUSCH scheduling information. Optionally, the scheduling information includes time domain and/or frequency domain resource location information for PDSCH/PUCCH/PUSCH transmission, TCI/ SRI indication information, etc., and the corresponding UE ID (not excluding UE-common scheduling information).

The signal relay device determines the beam of the signal relay device at the transmission position of the PDSCH or PUCCH or PUSCH according to the beam indication information (TCI or SRI) transmitted by the corresponding PDSCH or PUCCH or PUSCH.

Optionally, the signal relay device acquires resource configuration information or scheduling information used by the terminal for sending and/or receiving the first channel, including:

The signal relay device receives second indication information sent by the base station through high-level signaling or physical layer signaling, where the second indication information indicates resource configuration information or scheduling information of the first channel;

For example, the base station sends the second indication information through high-layer signaling (radio resource control RRC or medium access control layer control element MAC CE) or physical layer signaling (DCI). For example, a MAC CE-specific LCID or a MAC CE-specific field indicates the type of information contained in the MAC CE. When notified by DCI, use a specific DCI format or wireless network temporary identifier RNTI or control resource set CORESET or search space SS to distinguish the type of information indicated by the DCI, or a specific field in the DCI to identify the type of information indicated by the DCI .

Alternatively, the signal relay device acquires resource configuration information or scheduling information used by the terminal for sending and/or receiving the first channel, including:

The signal relay device blindly detects the transmission information of the base station, and obtains resource configuration information or scheduling information of the first channel.

For example, the signal relay device obtains the scheduling information of the first channel by blindly detecting the scheduling signaling of the terminal. The first channel is the physical downlink shared channel PDSCH, or the physical uplink control channel PUCCH, or the physical uplink shared channel PUSCH.

Optionally, after obtaining certain CORESET/SS configuration information (such as terminal-level CORESET/SS configuration information), the signal relay device performs blind detection at a corresponding position to obtain the scheduling information.

Optionally, the base station uses a signal relay device for the terminal ID(s) or CORESET/SS configuration of the terminal that requires blind detection, thereby reducing the difficulty of blind detection and improving the efficiency of blind detection.

To sum up, in the embodiment of this application, the signal relay device determines the beam of the signal relay device on the channel to be transmitted according to the beam indication information configured by the base station and the beam related information associated with the channel to be transmitted, thereby realizing terminal-based beam control .

It should be noted that, the beam control method provided in the embodiment of the present application may be executed by a beam control device, or a control module in the beam control device for executing the beam control method. In the embodiment of the present application, the beam control device provided in the embodiment of the present application is described by taking the beam control device executing the beam control method as an example.

As shown in Figure 11, the embodiment of the present application also provides a beam control device 1100, including:

The first acquiring module 1101 is configured to acquire reference signal resource configuration information or reference signal transmission activation information corresponding to at least one terminal;

The first determining module 1102 is configured to determine beam information for performing reference signal transmission between the signal relay device and the corresponding terminal according to the reference signal resource configuration information or reference signal transmission activation information.

As an optional embodiment, the first obtaining module includes:

The first acquisition submodule is configured to receive first indication information sent by the base station to the relay device, the first indication information indicating reference signal resource configuration information or reference signal transmission activation information corresponding to at least one terminal;

and / or,

The second acquiring submodule is configured to blindly detect the transmission information of the base station, and determine reference signal resource configuration information or reference signal transmission activation information corresponding to the at least one terminal.

As an optional embodiment, the reference signal resource configuration information or reference signal transmission activation information includes at least one of the following:

Resource configuration information or transmission activation information of the downlink reference signal;

Resource configuration information or transmission activation information of the uplink reference signal.

As an optional embodiment, the first determination module includes:

The first determination submodule is configured to determine the downlink transmission beam information for the signal relay device to transmit the downlink reference signal to the terminal according to the resource configuration information or the transmission activation information of the downlink reference signal;

and / or,

The second determining submodule is configured to determine the uplink receiving beam information of the uplink reference signal sent by the signal relay device receiving terminal according to the resource configuration information or transmission activation information of the uplink reference signal.

As an optional embodiment, the first determining submodule includes at least one of the following:

A first determining unit, configured to determine that the downlink transmission beams on the downlink reference signal resources are the same when the resource configuration information includes downlink reference signal resources with the same resource identifier;

The second determining unit is configured to determine that the downlink transmission beam information for sending the downlink reference signal is: the reference signal indicated by the relationship with the QCL when the resource configuration information configures the quasi-co-located QCL relationship of the downlink reference signal the same beam;

A third determining unit, configured to determine, when the transmission activation information indicates a transmission beam of a downlink reference signal, that the downlink transmission beam information for sending the downlink reference signal is: the beam indicated by the transmission activation information;

The fourth determination unit is configured to determine that the downlink reference signals in the downlink reference signal resource set correspond to different downlink transmission beams if the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information are not repeated;

The fifth determining unit is configured to determine that the repeated downlink reference signal in the downlink reference signal resource set corresponds to the same downlink transmission beam if there is duplication of downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information.

As an optional embodiment, the first determining submodule includes at least one of the following:

a sixth determining unit, configured to determine the downlink transmission beam information according to the first reference beam indicated by the base station;

A seventh determining unit, configured to determine that the downlink transmission beam information is the first preset beam.

An eighth determining unit, configured to determine that the downlink transmission beam information is the first reference beam indicated by the base station;

A ninth determination unit, configured to determine that the downlink transmission beam information is the beam indicated by the QCL relationship in the resource configuration information;

The tenth determining unit is configured to determine that the downlink transmission beam information is the beam indicated by the transmission activation information.

As an optional embodiment, the sixth determining unit is further configured to: if the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information do not overlap, determine the Downlink transmit beam information;

and / or,

The eighth determining unit is further configured to: determine that the downlink transmission beam information is the first reference beam information indicated by the base station if the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information overlap;

and / or,

The ninth determination unit is further configured to: if the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information overlap, determine that the downlink transmission beam information is indicated by the QCL relationship in the resource configuration information beam information;

and / or,

The tenth determination unit is further configured to: if the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information overlap, determine that the downlink transmission beam information is the beam indicated by the transmission activation information;

and / or,

The seventh determining unit is further configured to: if there is no first reference beam indicated by the base station, determine the downlink transmission beam information as the first preset beam.

As an optional embodiment, the second determining submodule includes at least one of the following:

The eleventh determining unit is configured to determine that the uplink receiving beam information of the repeated uplink reference signal is different when the repeated uplink reference signal beam is configured on the uplink reference signal resource configured by the resource configuration information;

The twelfth determining unit is configured to determine that the uplink receiving beam information of the uplink reference signals is the same when no repeated uplink reference signal beams are configured on the uplink reference signal resources configured in the resource configuration information.

As an optional embodiment, the second determining submodule includes at least one of the following:

A thirteenth determining unit, configured to determine the uplink receiving beam information according to the second reference beam indicated by the base station;

A fourteenth determining unit, configured to determine that the uplink receiving beam information is a second preset beam;

A fifteenth determining unit, configured to determine that the uplink receiving beam information is the second reference beam indicated by the base station;

A sixteenth determining unit, configured to determine that the uplink receiving beam information is the beam indicated by the QCL relationship in the resource configuration information;

A seventeenth determining unit, configured to determine that the uplink reception beam information is the beam indicated by the transmission activation information.

As an optional embodiment, the thirteenth determining unit is further configured to: if repeated uplink reference signal beams are configured on the uplink reference signal resources configured in the resource configuration information, determine the second reference signal beam according to the second reference beam indicated by the base station. The above-mentioned uplink receiving beam information;

and / or,

The fourteenth determining unit is further configured to: determine that the uplink receiving beam information is the second preset beam in the absence of the second reference beam indicated by the base station;

and / or,

The fifteenth determining unit is further configured to: if no repeated uplink reference signal beam is configured on the uplink reference signal resource configured in the resource configuration information, determine that the uplink receiving beam information is the second reference beam indicated by the base station;

and / or,

The sixteenth determining unit is further configured to: if no repeated uplink reference signal beam is configured on the uplink reference signal resource configured in the resource configuration information, determine that the uplink receiving beam information is indicated by the QCL relationship in the resource configuration information the beam;

and / or,

The seventeenth determining unit is further configured to: if no repeated uplink reference signal beam is configured on the uplink reference signal resource configured in the resource configuration information, determine that the uplink receiving beam information is the beam indicated by the transmission activation information.

As an optional embodiment, when the resource configuration information of the uplink reference signal includes: channel sounding reference signal SRS resource configuration information, and the SRS resource is not used for beam training, the device further includes:

The first receiving module is configured to use the third reference beam indicated by the base station to receive the SRS on the SRS resource not used for beam training.

As an optional embodiment, when the resource configuration information of the uplink reference signal includes: SRS resource configuration information, and the QCL relationship configured by the SRS resource configuration information points to the reference signal resource indicator CRI or SSB index, the device further includes :

The second receiving module is configured to use the same beam as the CRI or SSB index to receive corresponding information corresponding to the uplink scheduling request indication SRI.

As an optional embodiment, the device also includes:

The third receiving module is configured to receive downlink transmission beam indication information corresponding to at least one terminal sent by the base station, where the downlink beam indication information is used to indicate a corresponding relationship between a signal relay device and a downlink transmission beam of a corresponding terminal.

As an optional embodiment, the device also includes:

The fourth receiving module is configured to receive uplink receiving beam indication information corresponding to at least one terminal sent by the base station, where the uplink receiving beam indicating information is used to indicate the correspondence between the signal relay device and the uplink receiving beam of the corresponding terminal.

As an optional embodiment, the device also includes:

The second acquiring module is configured to acquire resource configuration information or scheduling information used for sending and/or receiving the first channel of the terminal;

The second determination module is configured to determine the downlink transmission beam indication information or the uplink reception beam indication information associated with the first channel according to the resource configuration information or the scheduling information;

The third determination module is configured to determine a downlink transmission beam or an uplink reception beam for transmitting the first channel according to downlink transmission beam indication information or uplink reception beam indication information associated with the first channel.

As an optional embodiment, the resource configuration information or scheduling information includes at least one of the following:

Time-frequency domain resource location information;

Beam indication related information;

Terminal identification information.

As an optional embodiment, the time-frequency domain resource location information includes at least one of the following:

The control resource set or search space configured by the base station for the terminal;

There is a control resource set or search space for the first channel transmission;

Transmission resources of the first channel.

As an optional embodiment, the second obtaining module includes:

The third acquisition submodule is configured to receive second indication information sent by the base station through high-layer signaling or physical layer signaling, where the second indication information indicates resource configuration information or scheduling information of the first channel;

Or, it is used to blindly detect the sending information of the base station, and acquire resource configuration information or scheduling information of the first channel.

In this embodiment of the application, the signal relay device determines the reference signal transmission beam information between the signal relay device and the terminal according to the reference signal resource configuration information or reference signal transmission activation information corresponding to the terminal, so as to perform beam training and determine the information based on the terminal The downlink transmit beam and/or uplink receive beam realize terminal-based beam control, thereby increasing the utilization rate of transmission resources and increasing the stability of terminal connections in the network.

It should be noted that the beam control device provided in the embodiment of the present application is a device capable of executing the above beam control method, and all embodiments of the above beam control method are applicable to the device, and can achieve the same or similar beneficial effects.

As shown in Figure 12, the embodiment of the present application provides a beam control device 1200, the device includes:

The second obtaining module 1201 is configured to obtain resource configuration information or scheduling information used by the terminal for sending and/or receiving the first channel;

The second determining module 1202 is configured to determine the downlink transmission beam indication information or the uplink reception beam indication information associated with the first channel according to the resource configuration information or scheduling information;

The third determining module 1203 is configured to determine a downlink transmission beam or an uplink reception beam for transmitting the first channel according to downlink transmission beam indication information or uplink reception beam indication information associated with the first channel.

As an optional embodiment, the resource configuration information or scheduling information includes at least one of the following:

Time-frequency domain resource location information;

Beam indication related information;

Terminal identification information.

As an optional embodiment, the time-frequency domain resource location information includes at least one of the following:

The control resource set or search space configured by the base station for the terminal;

There is a control resource set or search space for the first channel transmission;

Transmission resources of the first channel.

As an optional embodiment, the second obtaining module includes:

The third acquisition submodule is configured to receive second indication information sent by the base station through high-layer signaling or physical layer signaling, where the second indication information indicates resource configuration information or scheduling information of the first channel;

Or, it is used to blindly detect the sending information of the base station, and obtain resource configuration information or scheduling information of the first channel.

In the embodiment of the present application, the signal relay device determines the beam of the signal relay device on the channel to be transmitted according to the beam indication information configured by the base station and the beam related information associated with the channel to be transmitted, thereby realizing terminal-based beam control.

It should be noted that the beam control device provided in the embodiment of the present application is a device capable of executing the above beam control method, and all embodiments of the above beam control method are applicable to the device, and can achieve the same or similar beneficial effects.

The beam control device in the embodiment of the present application may be a device, a device with an operating system or an electronic device, or may be a component, an integrated circuit, or a chip in the electronic device. The apparatus or electronic equipment may be a mobile terminal or a non-mobile terminal. Exemplarily, the mobile terminal may include but not limited to the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machines or self-service machines, etc., are not specifically limited in this embodiment of the present application.

The beam control device provided in the embodiment of the present application can realize various processes realized by the method embodiments in FIG. 1 to FIG. 10 , and achieve the same technical effect. To avoid repetition, details are not repeated here.

Optionally, as shown in FIG. 13 , this embodiment of the present application further provides a signal relay device 1300, including a processor 1301, a memory 1302, and a program or Instructions, when the program or instructions are executed by the processor 1301, each process of the beam control method embodiment described above can be achieved, and the same technical effect can be achieved, so details are not repeated here to avoid repetition.

The embodiment of the present application also provides a signal relay device, including a processor and a communication interface, wherein the communication interface is used to acquire reference signal resource configuration information or reference signal transmission activation information corresponding to at least one terminal, and the processor uses According to the reference signal resource configuration information or the reference signal transmission activation information, determine the beam information for the reference signal transmission between the signal relay device and the corresponding terminal. Alternatively, the communication interface is configured to acquire resource configuration information or scheduling information used for sending and/or receiving the first channel of the terminal, and the processor is configured to determine the first channel according to the resource configuration information or scheduling information. The downlink transmission beam indication information or the uplink reception beam indication information associated with the channel; and according to the downlink transmission beam indication information or the uplink reception beam indication information associated with the first channel, determine the downlink transmission beam or the uplink reception beam for transmitting the first channel beam. This embodiment of the signal relay device corresponds to the above-mentioned embodiment of the method on the side of the signal relay device. The various implementation processes and implementation methods of the above-mentioned method embodiments can be applied to this embodiment of the signal relay device, and can achieve the same technical effect.

The embodiment of the present application also provides a readable storage medium. The readable storage medium stores programs or instructions. When the program or instructions are executed by the processor, the various processes of the above-mentioned beam control method embodiments can be achieved, and the same To avoid repetition, the technical effects will not be repeated here.

Wherein, the processor is the processor in the signal relay device described in the above embodiments. The readable storage medium includes computer readable storage medium, such as computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.

The embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the above beam control method embodiment Each process can achieve the same technical effect, so in order to avoid repetition, it will not be repeated here.

The embodiment of the present application further provides a computer program/program product, the computer program/program product is stored in a non-volatile storage medium, and the computer program/program product is executed by at least one processor to realize the above beam Each process of the embodiment of the control method can achieve the same technical effect, so in order to avoid repetition, details are not repeated here.

It should be understood that the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.

It should be noted that, in this document, the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Through the description of the above embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation. Based on such an understanding, the technical solution of the present application can be embodied in the form of computer software products, which are stored in a storage medium (such as ROM/RAM, magnetic disk, etc.) , optical disc), including several instructions to make an electronic device (which may be a mobile phone, computer, server, air conditioner, or signal relay device, etc.) execute the methods described in various embodiments of the present application.

The embodiments of the present application have been described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementations. The above-mentioned specific implementations are only illustrative and not restrictive. Those of ordinary skill in the art will Under the inspiration of this application, without departing from the purpose of this application and the scope of protection of the claims, many forms can also be made, all of which belong to the protection of this application.

Claims (49)

A beam steering method, comprising: The signal relay device acquires reference signal resource configuration information or reference signal transmission activation information corresponding to at least one terminal; The signal relay device determines, according to the reference signal resource configuration information or reference signal transmission activation information, beam information for performing reference signal transmission between the signal relay device and a corresponding terminal. The method according to claim 1, wherein the signal relay device acquires reference signal resource configuration information or reference signal transmission activation information corresponding to at least one terminal, comprising: The signal relay device receives first indication information sent by the base station to the relay device, where the first indication information indicates reference signal resource configuration information or reference signal transmission activation information corresponding to at least one terminal; or, The signal relay device blindly detects information sent by the base station, and determines reference signal resource configuration information or reference signal transmission activation information corresponding to the at least one terminal. The method according to claim 1, wherein the reference signal resource configuration information or reference signal transmission activation information includes at least one of the following: Resource configuration information or transmission activation information of the downlink reference signal; Resource configuration information or transmission activation information of the uplink reference signal. The method according to claim 3, wherein the signal relay device determines beam information for reference signal transmission between the signal relay device and the corresponding terminal according to the reference signal resource configuration information or reference signal transmission activation information, include: The signal relay device determines, according to the resource configuration information or transmission activation information of the downlink reference signal, the downlink transmission beam information for the signal relay device to send the downlink reference signal to the terminal; and / or, The signal relay device determines, according to the resource configuration information or transmission activation information of the uplink reference signal, the uplink receiving beam information of the uplink reference signal sent by the signal relay device receiving terminal. The method according to claim 4, wherein the signal relay device determines the downlink transmission beam information of the downlink reference signal sent by the signal relay device to the terminal according to the resource configuration information or transmission activation information of the downlink reference signal, including At least one of the following: If the resource configuration information includes downlink reference signal resources with the same resource identifier, the signal relay device determines that the downlink transmit beams on the downlink reference signal resources are the same; If the resource configuration information configures the quasi-co-located QCL relationship of the downlink reference signal, the signal relay device determines that the downlink transmission beam information for sending the downlink reference signal is: the same as the reference signal indicated by the QCL relationship the beam; If the transmission activation information indicates a transmission beam of a downlink reference signal, the signal relay device determines that the downlink transmission beam information for sending the downlink reference signal is: the beam indicated by the transmission activation information; If the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information are not repeated, the signal relay device determines that the downlink reference signal in the downlink reference signal resource set corresponds to different downlink transmission beams; If the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information are repeated, the signal relay device determines that the repeated downlink reference signal in the downlink reference signal resource set corresponds to the same downlink transmission beam. The method according to claim 4, wherein the signal relay device determines the downlink transmission beam information of the downlink reference signal sent by the signal relay device to the terminal according to the resource configuration information or transmission activation information of the downlink reference signal, including At least one of the following: The signal relay device determines the downlink transmission beam information according to the first reference beam indicated by the base station; The signal relay device determines that the downlink transmission beam information is a first preset beam; The signal relay device determines that the downlink transmission beam information is the first reference beam indicated by the base station; The signal relay device determines that the downlink transmission beam information is the beam indicated by the QCL relationship in the resource configuration information; The signal relay device determines that the downlink transmission beam information is the beam indicated by the transmission activation information. The method according to claim 6, wherein the signal relay device determines the downlink transmission beam information according to the first reference beam indicated by the base station, comprising: If the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information are not repeated, the signal relay device determines the downlink transmission beam information according to the first reference beam indicated by the base station; And/or, the signal relay device determining that the downlink transmission beam information is the first reference beam indicated by the base station includes: If the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information overlap, the signal relay device determines that the downlink transmission beam information is the first reference beam information indicated by the base station; And/or, the signal relay device determines that the downlink transmission beam information is the beam indicated by the QCL relationship in the resource configuration information, including: If the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information overlap, the signal relay device determines that the downlink transmission beam information is the beam information indicated by the QCL relationship in the resource configuration information; And/or, the signal relay device determines that the downlink transmission beam information is the beam indicated by the transmission activation information, including: If the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information overlap, the signal relay device determines that the downlink transmission beam information is the beam indicated by the transmission activation information; And/or, the signal relay device determines that the downlink transmission beam information is the first preset beam, including: In the case that there is no first reference beam indicated by the base station, the signal relay device determines that the downlink transmission beam information is the first preset beam. The method according to claim 4, wherein the signal relay device determines the uplink receiving beam information of the uplink reference signal sent by the signal relay device receiving terminal according to the resource configuration information or transmission activation information of the uplink reference signal, Include at least one of the following: In a case where repeated uplink reference signal beams are configured on the uplink reference signal resources configured in the resource configuration information, the signal relay device determines that the uplink receiving beam information of the repeated uplink reference signals is different; In a case where repeated uplink reference signal beams are not configured on the uplink reference signal resources configured in the resource configuration information, the signal relay device determines that the uplink receiving beam information of the uplink reference signals is the same. The method according to claim 4, wherein the signal relay device determines the uplink receiving beam information of the uplink reference signal sent by the signal relay device receiving terminal according to the resource configuration information or transmission activation information of the uplink reference signal, Include at least one of the following: The signal relay device determines the uplink receiving beam information according to the second reference beam indicated by the base station; The signal relay device determines that the uplink receiving beam information is a second preset beam; The signal relay device determines that the uplink receiving beam information is the second reference beam indicated by the base station; The signal relay device determines that the uplink receiving beam information is the beam indicated by the QCL relationship in the resource configuration information; The signal relay device determines that the uplink receiving beam information is the beam indicated by the transmission activation information. The method according to claim 9, wherein the signal relay device determines the uplink receiving beam information according to the second reference beam indicated by the base station, comprising: If repeated uplink reference signal beams are configured on the uplink reference signal resources configured in the resource configuration information, the signal relay device determines the uplink reception beam information according to the second reference beam indicated by the base station; And/or, the signal relay device determines that the uplink receiving beam information is the second preset beam, including: If there is no second reference beam indicated by the base station, the signal relay device determines that the uplink receiving beam information is a second preset beam; And/or, the signal relay device determines that the uplink receiving beam information is the second reference beam indicated by the base station, including: If no repeated uplink reference signal beam is configured on the uplink reference signal resource configured in the resource configuration information, the signal relay device determines that the uplink receiving beam information is the second reference beam indicated by the base station; And/or, the signal relay device determines that the uplink reception beam information is the beam indicated by the QCL relationship in the resource configuration information, including: If no repeated uplink reference signal beam is configured on the uplink reference signal resource configured in the resource configuration information, the signal relay device determines that the uplink receiving beam information is the beam indicated by the QCL relationship in the resource configuration information; And/or, the signal relay device determines that the uplink reception beam information is the beam indicated by the transmission activation information, including: If no repeated uplink reference signal beam is configured on the uplink reference signal resource configured in the resource configuration information, the signal relay device determines that the uplink receiving beam information is the beam indicated by the transmission activation information. The method according to claim 3, wherein, when the resource configuration information of the uplink reference signal includes channel sounding reference signal SRS resource configuration information, and the SRS resource is not used for beam training, the method further comprises: The signal relay device uses the third reference beam indicated by the base station to receive the SRS on the SRS resource not used for beam training. The method according to claim 3, wherein when the resource configuration information of the uplink reference signal includes SRS resource configuration information, and the QCL relationship configured by the SRS resource configuration information points to the reference signal resource indicator CRI or SSB index, The method also includes: The signal relay device uses the same beam as the CRI or SSB index to receive corresponding information corresponding to the uplink scheduling request indication SRI. The method according to claim 4, said method further comprising: The signal relay device receives downlink transmission beam indication information corresponding to at least one terminal sent by the base station, and the downlink beam indication information is used to indicate the corresponding relationship between the signal relay device and the downlink transmission beam of the corresponding terminal. The method according to claim 4, said method further comprising: The signal relay device receives uplink receiving beam indication information corresponding to at least one terminal sent by the base station, and the uplink receiving beam indication information is used to indicate the corresponding relationship between the signal relay device and the uplink receiving beam of the corresponding terminal. The method according to claim 13 or 14, said method further comprising: The signal relay device acquires resource configuration information or scheduling information used by the terminal for sending and/or receiving the first channel; The signal relay device determines the downlink transmission beam indication information or the uplink reception beam indication information associated with the first channel according to the resource configuration information or the scheduling information; The signal relay device determines a downlink sending beam or an uplink receiving beam for transmitting the first channel according to downlink sending beam indication information or uplink receiving beam indication information associated with the first channel. The method according to claim 15, wherein the resource configuration information or scheduling information includes at least one of the following: Time-frequency domain resource location information; Beam indication related information; Terminal identification information. The method according to claim 16, wherein the time-frequency domain resource location information includes at least one of the following: The control resource set or search space configured by the base station for the terminal; There is a control resource set or search space for the first channel transmission; Transmission resources of the first channel. The method according to claim 15, wherein the signal relay device acquires resource configuration information or scheduling information used for sending and/or receiving the first channel of the terminal, including: The signal relay device receives second indication information sent by the base station through high-level signaling or physical layer signaling, where the second indication information indicates resource configuration information or scheduling information of the first channel; or, The signal relay device blindly detects the transmission information of the base station, and obtains resource configuration information or scheduling information of the first channel. A beam control method, the method comprising: The signal relay device acquires resource configuration information or scheduling information used by the terminal for sending and/or receiving the first channel; The signal relay device determines the downlink transmission beam indication information or the uplink reception beam indication information associated with the first channel according to the resource configuration information or scheduling information; The signal relay device determines a downlink sending beam or an uplink receiving beam for transmitting the first channel according to downlink sending beam indication information or uplink receiving beam indication information associated with the first channel. The method according to claim 19, wherein the resource configuration information or scheduling information includes at least one of the following: Time-frequency domain resource location information; Beam indication related information; Terminal identification information. The method according to claim 20, wherein the time-frequency domain resource location information includes at least one of the following: The control resource set or search space configured by the base station for the terminal; There is a control resource set or search space for the first channel transmission; Transmission resources of the first channel. The method according to claim 19, wherein the signal relay device acquires resource configuration information or scheduling information used for sending and/or receiving the first channel of the terminal, including: The signal relay device receives second indication information sent by the base station through high-layer signaling or physical layer signaling, and the second indication information indicates resource configuration information or scheduling information of the first channel; or, The signal relay device blindly detects the transmission information of the base station, and obtains resource configuration information or scheduling information of the first channel. A beam steering device, comprising: A first acquiring module, configured to acquire reference signal resource configuration information or reference signal transmission activation information corresponding to at least one terminal; The first determining module is configured to determine beam information for performing reference signal transmission between the signal relay device and the corresponding terminal according to the reference signal resource configuration information or reference signal transmission activation information. The device according to claim 23, wherein the first acquisition module comprises: The first acquiring submodule is configured to receive first indication information sent by the base station to the relay device, where the first indication information indicates reference signal resource configuration information or reference signal transmission activation information corresponding to at least one terminal; and / or, The second acquiring submodule is configured to blindly detect the transmission information of the base station, and determine reference signal resource configuration information or reference signal transmission activation information corresponding to the at least one terminal. The apparatus according to claim 23, wherein the reference signal resource configuration information or reference signal transmission activation information includes at least one of the following: Resource configuration information or transmission activation information of the downlink reference signal; Resource configuration information or transmission activation information of the uplink reference signal. The apparatus according to claim 25, wherein the first determining module comprises: The first determination submodule is configured to determine the downlink transmission beam information for the signal relay device to transmit the downlink reference signal to the terminal according to the resource configuration information or the transmission activation information of the downlink reference signal; and / or, The second determining submodule is configured to determine the uplink receiving beam information of the uplink reference signal sent by the signal relay device receiving terminal according to the resource configuration information or transmission activation information of the uplink reference signal. The apparatus according to claim 26, wherein the first determining submodule comprises at least one of the following: A first determining unit, configured to determine that the downlink transmission beams on the downlink reference signal resources are the same when the resource configuration information includes downlink reference signal resources with the same resource identifier; The second determining unit is configured to determine that the downlink transmission beam information for sending the downlink reference signal is: the reference signal indicated by the relationship with the QCL when the resource configuration information configures the quasi-co-located QCL relationship of the downlink reference signal the same beam; A third determining unit, configured to determine, when the transmission activation information indicates a transmission beam of a downlink reference signal, that the downlink transmission beam information for sending the downlink reference signal is: the beam indicated by the transmission activation information; The fourth determining unit is configured to determine that the downlink reference signals in the downlink reference signal resource set correspond to different downlink transmission beams if the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information do not overlap; The fifth determining unit is configured to determine that the repeated downlink reference signal in the downlink reference signal resource set corresponds to the same downlink transmission beam if there is duplication of downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information. The apparatus according to claim 26, wherein the first determining submodule comprises at least one of the following: a sixth determining unit, configured to determine the downlink transmission beam information according to the first reference beam indicated by the base station; a seventh determination unit, configured to determine that the downlink transmission beam information is the first preset beam; An eighth determining unit, configured to determine that the downlink transmission beam information is the first reference beam indicated by the base station; A ninth determination unit, configured to determine that the downlink transmission beam information is the beam indicated by the QCL relationship in the resource configuration information; The tenth determining unit is configured to determine that the downlink transmission beam information is the beam indicated by the transmission activation information. The apparatus according to claim 28, wherein the sixth determination unit is further configured to: if the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information do not overlap, according to the first reference signal beam indicated by the base station Beam determining the downlink sending beam information; and / or, The eighth determining unit is further configured to: determine that the downlink transmission beam information is the first reference beam information indicated by the base station if the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information overlap; and / or, The ninth determination unit is further configured to: if the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information overlap, determine that the downlink transmission beam information is indicated by the QCL relationship in the resource configuration information beam information; and / or, The tenth determination unit is further configured to: determine that the downlink transmission beam information is the beam indicated by the transmission activation information if the downlink reference signal beams in the downlink reference signal resource set configured by the resource configuration information overlap; and / or, The seventh determining unit is further configured to: if there is no first reference beam indicated by the base station, determine the downlink transmission beam information as the first preset beam. The apparatus according to claim 26, wherein the second determining submodule comprises at least one of the following: The eleventh determining unit is configured to determine that the uplink receiving beam information of the repeated uplink reference signal is different when the repeated uplink reference signal beam is configured on the uplink reference signal resource configured by the resource configuration information; The twelfth determining unit is configured to determine that the uplink receiving beam information of the uplink reference signals is the same when no repeated uplink reference signal beams are configured on the uplink reference signal resources configured in the resource configuration information. The apparatus according to claim 26, wherein the second determining submodule comprises at least one of the following: A thirteenth determining unit, configured to determine the uplink receiving beam information according to the second reference beam indicated by the base station; A fourteenth determining unit, configured to determine that the uplink receiving beam information is a second preset beam; A fifteenth determining unit, configured to determine that the uplink receiving beam information is the second reference beam indicated by the base station; A sixteenth determining unit, configured to determine that the uplink receiving beam information is the beam indicated by the QCL relationship in the resource configuration information; A seventeenth determining unit, configured to determine that the uplink reception beam information is the beam indicated by the transmission activation information. The apparatus according to claim 31, wherein the thirteenth determination unit is further configured to: if repeated uplink reference signal beams are configured on the uplink reference signal resources configured in the resource configuration information, according to the second determining the uplink receiving beam information with reference to the beam; and / or, The fourteenth determining unit is further configured to: determine that the uplink receiving beam information is a second preset beam when there is no second reference beam indicated by the base station; and / or, The fifteenth determining unit is further configured to: if no repeated uplink reference signal beam is configured on the uplink reference signal resource configured in the resource configuration information, determine that the uplink receiving beam information is the second reference beam indicated by the base station; and / or, The sixteenth determining unit is further configured to: if no repeated uplink reference signal beam is configured on the uplink reference signal resource configured in the resource configuration information, determine that the uplink receiving beam information is indicated by the QCL relationship in the resource configuration information the beam; and / or, The seventeenth determining unit is further configured to: if no repeated uplink reference signal beam is configured on the uplink reference signal resource configured by the resource configuration information, determine that the uplink receiving beam information is the beam indicated by the transmission activation information. The device according to claim 25, wherein, when the resource configuration information of the uplink reference signal includes: channel sounding reference signal SRS resource configuration information, and the SRS resource is not used for beam training, the device further includes: The first receiving module is configured to use the third reference beam indicated by the base station to receive the SRS on the SRS resource not used for beam training. The device according to claim 25, wherein when the resource configuration information of the uplink reference signal includes: SRS resource configuration information, and the QCL relationship configured by the SRS resource configuration information points to the reference signal resource indicator CRI or SSB index, the Said device also includes: The second receiving module is configured to use the same beam as the CRI or SSB index to receive corresponding information corresponding to the uplink scheduling request indication SRI. The apparatus of claim 26, further comprising: The third receiving module is configured to receive downlink transmission beam indication information corresponding to at least one terminal sent by the base station, where the downlink beam indication information is used to indicate the correspondence between the signal relay device and the downlink transmission beam of the corresponding terminal. The apparatus of claim 26, further comprising: The fourth receiving module is configured to receive uplink receiving beam indication information corresponding to at least one terminal sent by the base station, and the uplink receiving beam indicating information is used to indicate the corresponding relationship between the signal relay device and the uplink receiving beam of the corresponding terminal. Apparatus according to claim 35 or 36, further comprising: The second acquiring module is configured to acquire resource configuration information or scheduling information used for sending and/or receiving the first channel of the terminal; The second determination module is configured to determine the downlink transmission beam indication information or the uplink reception beam indication information associated with the first channel according to the resource configuration information or the scheduling information; The third determination module is configured to determine a downlink transmission beam or an uplink reception beam for transmitting the first channel according to downlink transmission beam indication information or uplink reception beam indication information associated with the first channel. The apparatus according to claim 37, wherein the resource configuration information or scheduling information includes at least one of the following: Time-frequency domain resource location information; Beam indication related information; Terminal identification information. The apparatus according to claim 38, wherein the time-frequency domain resource location information includes at least one of the following: The control resource set or search space configured by the base station for the terminal; There is a control resource set or search space for the first channel transmission; Transmission resources of the first channel. The device according to claim 37, wherein the second acquiring module comprises: The third acquisition submodule is configured to receive second indication information sent by the base station through high-layer signaling or physical layer signaling, where the second indication information indicates resource configuration information or scheduling information of the first channel; Or, it is used to blindly detect the sending information of the base station, and acquire resource configuration information or scheduling information of the first channel. A beam control device, said device comprising: The second acquiring module is configured to acquire resource configuration information or scheduling information used for sending and/or receiving the first channel of the terminal; The second determination module is configured to determine the downlink transmission beam indication information or the uplink reception beam indication information associated with the first channel according to the resource configuration information or the scheduling information; The third determination module is configured to determine a downlink transmission beam or an uplink reception beam for transmitting the first channel according to downlink transmission beam indication information or uplink reception beam indication information associated with the first channel. The apparatus according to claim 41, wherein the resource configuration information or scheduling information includes at least one of the following: Time-frequency domain resource location information; Beam indication related information; Terminal identification information. The apparatus according to claim 42, wherein the time-frequency domain resource location information includes at least one of the following: The control resource set or search space configured by the base station for the terminal; There is a control resource set or search space for the first channel transmission; Transmission resources of the first channel. The device according to claim 41, wherein the second acquisition module comprises: The third acquisition submodule is configured to receive second indication information sent by the base station through high-layer signaling or physical layer signaling, where the second indication information indicates resource configuration information or scheduling information of the first channel; Or, it is used to blindly detect the sending information of the base station, and acquire resource configuration information or scheduling information of the first channel. A signal relay device, comprising a processor, a memory, and a program or instruction stored in the memory and operable on the processor, when the program or instruction is executed by the processor, the claim 1 is realized The steps of the beam control method according to any one of claims 18 to 18; or, when the program or instruction is executed by the processor, the steps of the beam control method according to any one of claims 19 to 22 are realized. A readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by a processor, the beam control method according to any one of claims 1-18 is realized, or the beam control method according to any one of claims 1-18 is realized, or the method according to claim The steps of the beam steering method described in any one of claims 19 to 22. A chip comprising a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the beam control method according to any one of claims 1 to 18 or implementing the steps of the beam control method according to any one of claims 19 to 22. A computer program product, when the computer program product is executed by at least one processor, it realizes the steps of the beam steering method according to any one of claims 1 to 18, or realizes the steps according to any one of claims 19 to 22 The steps of the beam steering method. A signal relay device configured to perform the steps of the beam control method according to any one of claims 1 to 18, or to perform the steps of the beam control method according to any one of claims 19 to 22.

Images