WO2022017334A1

WO2022017334A1 - Control signaling transmission method and device

Info

Publication number: WO2022017334A1
Application number: PCT/CN2021/107194
Authority: WO
Inventors: 拉盖施塔玛拉卡
Original assignee: 维沃移动通信有限公司
Priority date: 2020-07-22
Filing date: 2021-07-19
Publication date: 2022-01-27
Also published as: CN113972969B; CN113972969A

Abstract

Disclosed in embodiments of the present application are a control signaling transmission method and device, capable of solving the problems in the related art of being unable to control an intermediate node and being unable to enable the intermediate node to accurately forward a message. The method can be applied to a network side device, and comprises: sending control signaling, the control signaling being used for instructing the intermediate node to execute at least one of the following: receiving a first message from the network side device and forwarding the first message to a terminal, and receiving a second message from the terminal and forwarding the second message to the network side device.

Description

Transmission method and device for control signaling

cross reference

This application claims the priority of the Chinese patent application with the application number 202010713752.8 and the invention title "Control Signaling Transmission Method and Device" filed in China on July 22, 2020, the entire content of which is incorporated herein by reference Applying.

technical field

The present application belongs to the field of communication technologies, and in particular relates to a method and device for transmitting control signaling.

Background technique

In a mobile communication system, in consideration of cost and flexible deployment, various intermediate nodes (such as relays) are usually deployed for message forwarding between network-side devices and terminals. In the related art, the intermediate node only has the function of message forwarding, which cannot guarantee that the terminal can correctly receive the message, nor can it guarantee that the intermediate node can correctly receive the message sent by the terminal, especially in the millimeter wave (FR2) frequency band. The disadvantage of forwarding is particularly obvious. Therefore, how to control the above-mentioned intermediate nodes so that these intermediate nodes can accurately forward messages is a technical problem that needs to be solved urgently in the prior art.

SUMMARY OF THE INVENTION

The purpose of the embodiments of the present application is to provide a method and device for transmitting control signaling, which can solve the problem in the related art that the intermediate node cannot be controlled and the intermediate node cannot accurately forward messages.

In order to solve the above technical problems, this application is implemented as follows:

A first aspect provides a method for sending control signaling, applied to a network side device, the method includes: sending control signaling, where the control signaling is used to instruct an intermediate node to perform at least one of the following: receiving the first message from the network side device and forwarding the first message to the terminal; and receiving the second message from the terminal and forwarding the second message to the network side device.

In a second aspect, a method for receiving control signaling is provided, which is applied to an intermediate node. The method includes: receiving control signaling, where the control signaling is used to instruct the intermediate node to perform at least one of the following: receiving the first message from the network side device and forwarding the first message to the terminal; receiving the second message from the terminal and forwarding the second message to the network side device.

In a third aspect, a network-side device is provided, including: a sending module configured to send control signaling, where the control signaling is used to instruct an intermediate node to perform at least one of the following: receiving a first message from the network-side device a message and forward the first message to the terminal; receive a second message from the terminal and forward the second message to the network side device.

In a fourth aspect, an intermediate node is provided, including: a receiving module configured to receive control signaling, where the control signaling is used to instruct the intermediate node to perform at least one of the following: receiving a message from the network side device receiving the first message and forwarding the first message to the terminal; receiving a second message from the terminal and forwarding the second message to the network side device.

In a fifth aspect, there is provided a communication device comprising a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the processor When executed, the method as described in the first aspect is implemented, or the method as described in the second aspect is implemented.

In a sixth aspect, a readable storage medium is provided, on which a program or an instruction is stored, and when the program or instruction is executed by a processor, the method described in the first aspect or the second the method described in the aspect.

In a seventh aspect, a chip is provided, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the method according to the first aspect , or implement the method described in the second aspect.

In this embodiment of the present application, the network side device sends control signaling to the intermediate node, where the control signaling is used to instruct the intermediate node to perform at least one of the following: receive the first message from the network side device and forward it to the terminal; receive the first message from the network side device; The second message sent to the terminal is forwarded to the network side device, thereby realizing the precise control of the network side device on the intermediate node, so that the intermediate node can accurately forward the message and improve the communication efficiency.

Description of drawings

1 is a block diagram of a wireless communication system according to an embodiment of the present application;

2 is a schematic flowchart of a method for sending control signaling according to an embodiment of the present application;

3 is a schematic diagram of an application scenario of a method for sending control signaling according to an embodiment of the present application;

4 is a schematic flowchart of a method for receiving control signaling according to another embodiment of the present application;

5 is a schematic structural diagram of a network side device according to an embodiment of the present application;

6 is a schematic structural diagram of an intermediate node according to an embodiment of the present application;

7 is a schematic structural diagram of a communication device according to an embodiment of the present application;

FIG. 8 is a schematic structural diagram of a network side device according to an embodiment of the present application.

detailed description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

The terms "first", "second" and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first", "second" distinguishes Usually it is a class, and the number of objects is not limited. For example, the first object may be one or multiple. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the associated objects are in an "or" relationship.

It is worth noting that the technologies described in the embodiments of this application are not limited to Long Term Evolution (LTE)/LTE-Advanced (LTE-Advanced, LTE-A) systems, 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 (Orthogonal Frequency Division Multiple Access, OFDMA), 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 not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies. However, the following description describes a New Radio (NR) system for example purposes, and uses NR terminology in most of the description below, although these techniques are also applicable to applications other than NR system applications, such as 6th generation (6 ^th Generation, 6G) communication system.

FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied. The wireless communication system includes a terminal 11 and a network-side device 12 . The terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: bracelets, headphones, glasses, etc. It should be noted that, the embodiment of the present application does not limit the specific type of the terminal 11 . The network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Next Generation Node B (gNB), Home Node B, Home Evolved Node B, WLAN Access point, WiFi node, 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 vocabulary. In the application embodiments, only the base station in the NR system is used as an example, but the specific type of the base station is not limited.

The method and device for transmitting control signaling provided by the embodiments of the present application will be described in detail below through specific embodiments and application scenarios with reference to the accompanying drawings.

As shown in FIG. 2 , an embodiment of the present application provides a method 200 for sending control signaling, and the method can be executed by a network side device, in other words, the method can be executed by software or hardware installed on the network side device, The method includes the following steps.

S202: Send control signaling, where the control signaling is used to instruct the intermediate node to perform at least one of the following: receive the first message from the network side device and forward the first message to the terminal; receive the second message from the terminal and forward the first message to the terminal; The second message is forwarded to the network side device.

The intermediate node mentioned in the embodiments of the present application may be a layer-one (physical layer) relay. Based on the above control signaling, the intermediate node may receive the first/second message and amplify it and forward it, for example, receive a message from a network-side device. and forward the first message to the terminal; receive the second message from the terminal and forward the second message to the network side device.

In one example, the above-mentioned control signaling is used to indicate the time domain position where the intermediate node receives and/or forwards the first message. For example, the above control signaling is used to instruct the intermediate node to receive the time domain position of the first message; instruct the intermediate node to forward the time domain position of the first message (that is, to send the first message to the terminal); at the same time, instruct the intermediate node to receive and forward the first message The time domain location of the message.

In another example, the above control signaling is used to instruct the intermediate node to receive and/or forward the time domain position of the second message, for example, the above control signaling is used to instruct the intermediate node to receive the time domain position of the second message; It can also be used to instruct the time domain position of the intermediate node to forward the second message (that is, to send the second message to the network side device); it can also be used to simultaneously indicate the time domain position of the intermediate node to receive and forward the second message.

It can be understood that there is no conflict in the implementation of the above two examples. Therefore, the above two examples can be implemented simultaneously, that is, the above control signaling can be used to instruct the intermediate node to receive and/or forward the time domain of the first message. The location is also used to indicate the time domain location where the intermediate node receives and/or forwards the second message.

Optionally, the control signaling mentioned in the above multiple examples can be used to indicate beam information in addition to the time domain location.

In an example, the above control signaling is used to instruct the intermediate node to receive and/or forward the beam information of the first message. For example, the above control signaling can be used to instruct the intermediate node to receive the beam information of the first message; it can also be used to instruct the intermediate node to forward (ie send the first message to the terminal) the beam information of the first message; and The beam information can be used to simultaneously instruct the intermediate node to receive and forward the first message.

In another example, the above control signaling is used to instruct the intermediate node to receive and/or forward the beam information of the second message. For example, the above control signaling can be used to instruct the intermediate node to receive the beam information of the second message; it can also be used to instruct the intermediate node to forward (ie send the second message to the network side device) the beam information of the second message ; can also be used to simultaneously instruct the intermediate node to receive and forward the beam information of the second message.

Similarly, there is no conflict in the implementation of the above two examples. Therefore, the above two examples can be implemented simultaneously, that is, the above control signaling can be used to instruct the intermediate node to receive and/or forward the beam information of the first message. , and is also used to instruct the intermediate node to receive and/or forward the beam information of the second message.

Based on the beam information indicated by the control signaling introduced in the above-mentioned several embodiments, the method for sending the control signaling provided by the embodiments of the present application can also be applied to the millimeter wave (FR2) frequency band, so that the intermediate node can use a narrower beam to transmit Message reception and forwarding, to achieve more accurate message forwarding function and improve communication efficiency.

Further, the intermediate node mentioned in the embodiment of the present application may be a layer one (physical layer) relay, and the layer one relay does not need to make autonomous decisions (such as beam information, time domain position, etc.), and is completely based on the above control signaling. To receive and forward messages, it is convenient to save the design cost of intermediate nodes.

In the method for sending control signaling provided by this embodiment of the present application, a network-side device sends control signaling to an intermediate node, where the control signaling is used to instruct the intermediate node to perform at least one of the following: receiving a first message from a network-side device and Forwarding to the terminal; receiving the second message from the terminal and forwarding it to the network side device, thereby realizing the precise control of the network side device on the intermediate node, so that the intermediate node can accurately forward the message and improve the communication efficiency.

Further, the above-mentioned control signaling can also be used to instruct the intermediate node to receive and/or forward the time domain position, beam information, etc. of the first message/second message, so that the intermediate node can determine the time domain position of the message and the sending and receiving beam, In this way, the intermediate node can accurately forward the message and improve the communication efficiency.

For an application scenario of the method for sending control signaling provided by this embodiment of the present application, reference may be made to FIG. 3 . In FIG. 3 , for the downlink process, the network-side device may send the first message to the intermediate node through a certain beam (the PDCCH in FIG. 3 ). -R, where R stands for relay), the intermediate node can forward the first message to the terminal through a certain beam, the beam information and the time domain position of the first message can be indicated by control signaling, and the control signaling can be It is sent by the network side device to the intermediate node in advance. The uplink process in FIG. 3 is similar to the downlink process, and will not be described here.

In order to describe in detail the method for sending control signaling provided by the embodiments of the present application, the following will be described with reference to several specific embodiments.

Example 1

The first message in this embodiment includes a physical downlink control channel (Physical Downlink Control Channel, PDCCH) and a physical downlink shared channel (Physical Downlink Share Channel, PDSCH), the PDCCH is used to schedule the transmission of the PDSCH; the second message includes a physical downlink share channel (PDSCH) Uplink Control Channel (Physical Uplink Control Channel, PUCCH).

In this embodiment, the control signaling sent by the network side device to the intermediate node includes at least one of the following:

1) A relay transmission configuration indicator (Relay-Transmission Configuration Indicator, R-TCI) field, where the R-TCI field is used to instruct the intermediate node to receive the receiving beam of the PDCCH and the PDSCH. It should be noted that, if the wireless connection between the network side device and the intermediate node is a fixed beam (which can be implemented through engineering), the R-TCI domain may not be included.

2) A Transmission Configuration Indicator (TCI) field, where the TCI field is used to instruct the intermediate node to forward the transmission beams of the PDCCH and the PDSCH to the terminal.

Optionally, if the PDCCH directly sent by the network side device to the terminal does not include the TCI field, the control signaling may also not include the TCI field.

3) Time domain location information, the time domain location information is used to instruct the intermediate node to receive and/or forward at least one of the following: a start time domain location and an end time domain location. For example, the time domain location information is used to instruct the intermediate node to receive and/or forward the PDCCH and the starting time domain location of the PDSCH, and for example, the time domain location information is used to instruct the intermediate node to receive and/or forward the PDCCH and the starting time domain position and ending time domain position of the PDSCH.

4) PUCCH spatial relationship information identifier (pucch-SpatialRelationInfoId), where the PUCCH spatial relationship information identifier is used to instruct the intermediate node to receive the PUCCH reception information.

In one example, the above-mentioned control and control signaling may include the PUCCH spatial relationship information identifier; in another example, the above-mentioned control and control signaling may not include the PUCCH spatial relationship information identifier, and the network-side device uses another separate signaling. The PUCCH spatial relationship information identifier is sent to the intermediate node.

Optionally, the PUCCH spatial relationship information identifier in the control signaling may be the same as the PUCCH spatial relationship information identifier configured by the network side device to the terminal by Radio Resource Control (RRC).

5) Indication information for indicating the type of the control signaling. In this example, the network-side device can distinguish the types of control signaling sent by the network-side device to the intermediate node by using one bit or multiple bits. Regarding the type of control signaling, in Embodiment 1 to Embodiment 7, the control signaling introduced in each embodiment may be of one type of control signaling, and the types of control signaling in any two embodiments are different .

For the time domain location information mentioned in 3) above, in an example, the PDCCH and the PDSCH are transmitted discontinuously, wherein the starting time domain location includes the starting time domain location of the PDCCH and the The starting time domain position of the PDSCH; and/or the ending time domain position includes the ending time domain position of the PDCCH and the ending time domain position of the PDSCH.

Specifically, for example, if the control signaling (PDCCH) and data (PDSCH) of the terminal scheduled by the network side device are not sent continuously, the time domain location information may respectively include the starting symbol position (or starting symbol position) of the control signaling (PDCCH). symbol and end symbol position) and start symbol position (or start symbol and end symbol position) of data (PDSCH).

For the time domain location information mentioned in 3) above, in an example, the first message is transmitted across time slots, wherein the time domain location information further includes time slot information of the first message. For example, if the data of the terminal scheduled by the network side device is scheduled across time slots (slot), the time domain location information may also include time slot information.

For the time domain location information mentioned in 3) above, in an example, the time domain location information is also used to indicate a time domain offset (such as Slot offset); wherein, the time domain offset includes the first The offset between a time domain position (eg, the first time slot) and a second time domain position (eg, the second time slot), where the first time domain position is where the intermediate node receives the control signaling A time domain location, the second time domain location is a time domain location where the intermediate node receives the first message.

It should be noted that, in practical applications, the control signaling may include any one or a combination of any of the above 1) to 5).

Embodiment 2

The first message in this embodiment includes a PDCCH, and the second message includes a physical uplink shared channel (Physical Uplink Share Channel, PUSCH), where the PDCCH is used to schedule transmission of the PUSCH.

1) R-TCI field, the R-TCI field is used to instruct the intermediate node to receive the receiving beam of the PDCCH. It should be noted that, if the wireless connection between the network side device and the intermediate node is a fixed beam (which can be implemented through engineering), the R-TCI domain may not be included.

2) A time domain resource allocation (Time Domain Resource Allocation, TDRA) field, where the TDRA field is used to indicate the time slot, symbol position, and length for the intermediate node to receive the PUSCH.

3) Sounding Reference Signal (Sounding Reference Signal, SRS) spatial relationship information, where the SRS spatial relationship information is used to instruct the intermediate node to receive the receiving beam of the PUSCH.

4) R spatial relationship information (R-SpatialRelationInfo, where R may represent relay), the R spatial relationship information is used to instruct the intermediate node to forward the transmission beam of the PUSCH to the network side device. It should be noted that, if the wireless connection between the network side device and the intermediate node is a fixed beam (which can be implemented through engineering), the R space relationship information may not be included.

5) Indication information for indicating the type of the control signaling. In this example, the network-side device can distinguish the types of control signaling sent by the network-side device to the intermediate node by using one bit or multiple bits. For the introduction of the types of control signaling, reference may be made to the first embodiment.

Embodiment 3

The first message in this embodiment includes a PDCCH and an aperiodic channel state information reference signal (Channel State Information-Reference Signal, CSI-RS), and the PDCCH may be used to instruct the terminal to receive the CSI-RS.

1) R-TCI field, where the R-TCI field is used to instruct the intermediate node to receive the receive beam of the aperiodic CSI-RS. It should be noted that, if the wireless connection between the network side device and the intermediate node is a fixed beam (which can be implemented through engineering), the R-TCI domain may not be included.

2) Quasi Co-Location (QCL) information (qcl-info), where the QCL information is used to instruct the intermediate node to forward the transmission beam of the aperiodic CSI-RS.

3) Time slot information (such as aperiodicTriggeringOffset), the time slot information is used to instruct the intermediate node to forward the time slot of the aperiodic CSI-RS.

4) CSI-RS time domain information, where the CSI-RS time domain information is used to instruct the intermediate node to forward the symbol start position and length of the aperiodic CSI-RS.

It should be noted that, in practical applications, the control signaling may include any one or a combination of any of the above 1) to 4).

Embodiment 4

The first message in this embodiment includes periodic CSI-RS or semi-persistent CSI-RS.

1) QCL information (such as qcl-InfoPeriodic CSI-RS), the QCL information is used to instruct the intermediate node to forward the transmission beam (such as TCI state) of the periodic CSI-RS or semi-persistent CSI-RS.

2) Period and offset information (such as periodicityAndOffset), the period and offset information are used to instruct the intermediate node to forward the period and the slot offset of the periodic CSI-RS or semi-persistent CSI-RS.

3) Whether repetition information, namely repetition (on, off), the repetition information is used to indicate whether the multiple periodic CSI-RS or semi-persistent CSI-RS beams forwarded by the intermediate node are the same. Under the condition that the network side device configures the repetition parameter to the terminal, the network side device may carry the repetition information in the control signaling sent to the intermediate node.

4) CSI-RS time domain information, the CSI-RS time domain information is used to instruct the intermediate node to forward the symbol start position and length of the periodic CSI-RS or semi-persistent CSI-RS.

Embodiment 5

In this embodiment, the first message includes a PDCCH, and the second message includes an aperiodic SRS, and the PDCCH is used to instruct the terminal to transmit the aperiodic SRS.

1) Time domain location information (eg, slotOffset), where the time domain location information is used to indicate the time domain location (eg, time slot location) at which the intermediate node receives the aperiodic SRS.

2) spatial correlation information (spatialRelationInfo), the spatial correlation information is used to instruct the intermediate node to receive the receive beam of the aperiodic SRS;

3) SRS time domain information, where the SRS time domain information is used to indicate the starting position and length of the symbol at which the intermediate node receives the aperiodic SRS.

Embodiment 6

The second message in this embodiment includes periodic SRS or semi-persistent SRS.

1) Period and offset information (periodicityAndOffset-p), the period and offset information is used to indicate the period and slot offset at which the intermediate node receives the periodic SRS or semi-persistent SRS.

2) spatial correlation information (spatialRelationInfo), the spatial correlation information is used to instruct the intermediate node to receive the receiving beam of the periodic SRS or semi-persistent SRS;

3) SRS time domain information, the SRS time domain information is used to indicate the starting position and length of the symbol at which the intermediate node receives the periodic SRS or the semi-persistent SRS.

It should be noted that, in practical applications, the control signaling may include any one or a combination of any of the above 1) to 3).

Embodiment 7

The first message in this embodiment includes a synchronization and broadcast block (Synchronization Signal/PBCH Block, SSB).

1) SSB cycle information, where the SSB cycle information is used to indicate the cycle at which the intermediate node receives and/or forwards the SSB.

2) Information on the number of SSBs, where the information on the number of SSBs is used to indicate the number of the SSBs received and/or forwarded by the intermediate node, which may specifically be the number of SSBs in a period.

3) SSB time index information (SSB time index), the SSB time index information is used to instruct the intermediate node to receive and/or forward the time information of the SSB.

4) Half frame indication information (Half frame bit), the half frame indication information is used to indicate whether the time domain position where the intermediate node receives and/or forwards the SSB is in the first half frame or the second half frame of a radio frame.

5) System frame number information (System Frame Number, SFN), the system frame number information is used to instruct the intermediate node to forward the time information of the SSB. Specifically, the system frame number information can be used to assist the intermediate node to determine the specific forwarding time according to the SSB period, SSB time index, and half frame bit.

The method for sending control signaling according to an embodiment of the present application has been described in detail above with reference to FIG. 2 . A method for receiving control signaling according to another embodiment of the present application will be described in detail below with reference to FIG. 4 . It can be understood that the interaction between the network-side device and the intermediate node described from the intermediate node side is the same as the description of the network-side device in the method shown in FIG. 2 , and related descriptions are appropriately omitted to avoid repetition.

FIG. 4 is a schematic diagram of an implementation flowchart of a method for receiving control signaling according to an embodiment of the present application, which may be applied to an intermediate node. As shown in FIG. 4 , the method 400 includes the following steps.

S402: Receive control signaling, where the control signaling is used to instruct the intermediate node to perform at least one of the following: receive a first message from a network side device and forward the first message to a terminal; receive a second message from the terminal and The second message is forwarded to the network side device.

In the method for receiving control signaling provided by this embodiment of the present application, an intermediate node receives control signaling from a network-side device, and the control signaling is used to instruct the intermediate node to perform at least one of the following: The message is forwarded to the terminal; the second message from the terminal is received and forwarded to the network side device, thereby realizing the precise control of the network side device on the intermediate node, so that the intermediate node can accurately forward the message and improve the communication efficiency.

Optionally, as an embodiment, the control signaling is used to instruct the intermediate node to receive and/or forward the time domain position of the first message, and/or the control signaling is used to indicate the The time domain location at which the intermediate node receives and/or forwards the second message.

Optionally, as an embodiment, the control signaling is used to instruct the intermediate node to receive and/or forward the beam information of the first message, and/or the control signaling is used to instruct the intermediate node The node receives and/or forwards beam information of the second message.

Optionally, as an embodiment, the first message includes a physical downlink control channel PDCCH and a physical downlink shared channel PDSCH, and the PDCCH is used to schedule transmission of the PDSCH; the second message includes a physical uplink control channel PUCCH .

Optionally, as an embodiment, the control signaling includes at least one of the following.

1) The relay transmission configuration indicates the R-TCI field, where the R-TCI field is used to instruct the intermediate node to receive the PDCCH and the receiving beam of the PDSCH.

2) The transmission configuration indicates the TCI field, where the TCI field is used to instruct the intermediate node to forward the transmission beams of the PDCCH and the PDSCH.

3) Time domain location information, where the time domain location information is used to instruct the intermediate node to receive and/or forward at least one of the following: a start time domain location and an end time domain location.

4) PUCCH spatial relationship information identifier, where the PUCCH spatial relationship information identifier is used to instruct the intermediate node to receive the reception information of the PUCCH.

5) Indication information for indicating the type of the control signaling.

Optionally, as an embodiment, the PDCCH and the PDSCH are transmitted discontinuously, wherein the starting time domain position includes the starting time domain position of the PDCCH and the starting time domain position of the PDSCH , and/or, the end time domain position includes the end time domain position of the PDCCH and the end time domain position of the PDSCH.

Optionally, as an embodiment, the first message is transmitted across time slots, wherein the time domain location information further includes time slot information of the first message.

Optionally, as an embodiment, the time-domain position information is further used to indicate a time-domain offset; wherein, the time-domain offset includes an offset between the first time-domain position and the second time-domain position The first time domain position is the time domain position where the intermediate node receives the control signaling, and the second time domain position is the time domain position where the intermediate node receives the first message.

Optionally, as an embodiment, the first message includes a PDCCH, the second message includes a physical uplink shared channel PUSCH, and the PDCCH is used to schedule transmission of the PUSCH.

1) R-TCI field, the R-TCI field is used to instruct the intermediate node to receive the receiving beam of the PDCCH.

2) Time domain resource allocation TDRA domain, where the TDRA domain is used to indicate the time slot, symbol position and length of the PUSCH received by the intermediate node.

3) SRS spatial relationship information, the SRS spatial relationship information is used to instruct the intermediate node to receive the receiving beam of the PUSCH.

4) R space relationship information, where the R space relationship information is used to instruct the intermediate node to forward the transmission beam of the PUSCH.

5) Indication information for indicating the type of the control signaling.

Optionally, as an embodiment, the first message includes PDCCH and aperiodic channel state information reference signal CSI-RS.

1) R-TCI field, where the R-TCI field is used to instruct the intermediate node to receive the receive beam of the aperiodic CSI-RS.

2) Quasi-co-located QCL information, where the QCL information is used to instruct the intermediate node to forward the transmission beam of the aperiodic CSI-RS.

3) Time slot information, the time slot information is used to instruct the intermediate node to forward the time slot of the aperiodic CSI-RS.

Optionally, as an embodiment, the first message includes periodic CSI-RS or semi-persistent CSI-RS.

1) QCL information, where the QCL information is used to instruct the intermediate node to forward the transmission beam of the periodic CSI-RS or semi-persistent CSI-RS.

2) Period and offset information, where the period and offset information is used to instruct the intermediate node to forward the period and slot offset of the periodic CSI-RS or semi-persistent CSI-RS.

3) Whether to repeat information, the information whether to repeat is used to indicate whether the beams of the multiple periodic CSI-RS or semi-persistent CSI-RS forwarded by the intermediate node are the same.

Optionally, as an embodiment, the first message includes a PDCCH, the second message includes an aperiodic SRS, and the PDCCH is used to instruct the terminal to transmit the aperiodic SRS.

1) Time domain location information, where the time domain location information is used to indicate the time domain location where the intermediate node receives the aperiodic SRS.

2) Spatial correlation information, where the spatial correlation information is used to instruct the intermediate node to receive the receiving beam of the aperiodic SRS.

Optionally, as an embodiment, the second message includes a periodic SRS or a semi-persistent SRS.

1) Period and offset information, where the period and offset information are used to indicate the period and slot offset at which the intermediate node receives the periodic SRS or the semi-persistent SRS.

2) Spatial correlation information, where the spatial correlation information is used to instruct the intermediate node to receive the receiving beam of the periodic SRS or the semi-persistent SRS.

3) SRS time domain information, where the SRS time domain information is used to indicate the starting position and length of symbols at which the intermediate node receives the periodic SRS or semi-persistent SRS.

Optionally, as an embodiment, the first message includes a synchronization and broadcast block SSB.

2) SSB number information, where the SSB number information is used to indicate the number of SSBs received and/or forwarded by the intermediate node.

3) SSB time index information, the SSB time index information is used to instruct the intermediate node to receive and/or forward the time information of the SSB.

4) Half frame indication information, where the half frame indication information is used to indicate whether the time domain position where the intermediate node receives and/or forwards the SSB is in the first half frame or the second half frame of a radio frame.

5) System frame number information, where the system frame number information is used to instruct the intermediate node to forward the time information of the SSB.

FIG. 5 is a schematic structural diagram of a network side device according to an embodiment of the present application. As shown in FIG. 5 , the network side device 500 includes the following modules.

The sending module 502 may be configured to send control signaling, where the control signaling is used to instruct the intermediate node to perform at least one of the following: receive a first message from the network side device and forward the first message to the terminal ; receive the second message from the terminal and forward the second message to the network side device.

In this embodiment of the present application, the network side device sends control signaling to the intermediate node, where the control signaling is used to instruct the intermediate node to perform at least one of the following: receive the first message from the network side device and forward it to the terminal; receive the first message from the network side device; The second message of the terminal is forwarded to the network side device, thereby realizing the precise control of the network side device on the intermediate node, so that the intermediate node can accurately forward the message and improve the communication efficiency.

Optionally, as an embodiment, the control signaling is used to indicate the time domain position where the intermediate node receives and/or forwards the first message, and/or the control signaling is used to indicate the The time domain location at which the intermediate node receives and/or forwards the second message.

5) Indication information for indicating the type of the control signaling.

3) Sounding reference signal SRS spatial relationship information, where the SRS spatial relationship information is used to instruct the intermediate node to receive the receiving beam of the PUSCH.

5) Indication information for indicating the type of the control signaling.

2) Spatial correlation information, the spatial correlation information is used to instruct the intermediate node to receive the receiving beam of the periodic SRS or the semi-persistent SRS.

For the network-side device 500 according to the embodiment of the present application, reference may be made to the process of the method 200 corresponding to the embodiment of the present application, and each unit/module and the above-mentioned other operations and/or functions in the network-side device 500 are designed to implement the method 200 , respectively. and can achieve the same or equivalent technical effects. For brevity, no further description is given here.

FIG. 6 is a schematic structural diagram of an intermediate node according to an embodiment of the present application. As shown in FIG. 6 , the intermediate node 600 includes the following modules.

The receiving module 602 may be configured to receive control signaling, where the control signaling is used to instruct the intermediate node to perform at least one of the following: receive a first message from a network-side device and forward the first message to a terminal ; receive the second message from the terminal and forward the second message to the network side device.

In this embodiment of the present application, the intermediate node receives control signaling from the network-side device, and the control signaling is used to instruct the intermediate node to perform at least one of the following: receive the first message from the network-side device and forward it to the terminal; receive The second message from the terminal is forwarded to the network side device, thereby realizing the precise control of the network side device on the intermediate node, so that the intermediate node can accurately forward the message and improve the communication efficiency.

5) Indication information for indicating the type of the control signaling.

Optionally, the intermediate node 600 further includes a processor.

The intermediate node 600 according to the embodiment of the present application may refer to the process of the method 400 corresponding to the embodiment of the present application, and each unit/module and the above-mentioned other operations and/or functions in the intermediate node 600 are respectively for the purpose of implementing the corresponding steps in the method 400. process, and can achieve the same or equivalent technical effect, for brevity, no further description is given here.

Optionally, as shown in FIG. 7 , an embodiment of the present application further provides a communication device 700, including a processor 701, a memory 702, a program or instruction stored in the memory 702 and executable on the processor 701, For example, when the communication device 700 is a network-side device, when the program or instruction is executed by the processor 701, each process of the above-mentioned embodiment of the method for sending control signaling can be implemented, and the same technical effect can be achieved. When the communication device 700 is an intermediate node, when the program or instruction is executed by the processor 701, each process of the above embodiment of the method for receiving control signaling can be achieved, and the same technical effect can be achieved. To avoid repetition, details are not described here.

Specifically, an embodiment of the present application further provides a network side device. As shown in FIG. 8 , the network device 800 includes: an antenna 81 , a radio frequency device 82 , and a baseband device 83 . The antenna 81 is connected to the radio frequency device 82 . In the uplink direction, the radio frequency device 82 receives information through the antenna 81, and sends the received information to the baseband device 83 for processing. In the downlink direction, the baseband device 83 processes the information to be sent and sends it to the radio frequency device 82 , and the radio frequency device 82 processes the received information and sends it out through the antenna 81 .

The above-mentioned frequency band processing apparatus may be located in the baseband apparatus 83 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 83 . The baseband apparatus 83 includes a processor 84 and a memory 85 .

The baseband device 83 may include, for example, at least one baseband board on which a plurality of chips are arranged. As shown in FIG. 8 , one of the chips is, for example, the processor 84 and is connected to the memory 85 to call the program in the memory 85 to execute The network devices shown in the above method embodiments operate.

The baseband device 83 may further include a network interface 86 for exchanging information with the radio frequency device 82, and the interface is, for example, a common public radio interface (CPRI for short).

Specifically, the network-side device in the embodiment of the present invention further includes: instructions or programs stored on the memory 85 and executable on the processor 84, and the processor 84 invokes the instructions or programs in the memory 85 to execute the modules shown in FIG. 5 . The implementation method and achieve the same technical effect, in order to avoid repetition, it is not repeated here.

An embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the foregoing method for sending/receiving control signaling is implemented , and can achieve the same technical effect, in order to avoid repetition, it is not repeated here.

The processor may be the processor in the terminal described in the foregoing embodiment. The readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.

An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the sending/receiving of the above control signaling. Each process of the embodiment of the receiving method can achieve the same technical effect. In order to avoid repetition, details are not repeated here.

It should be understood that the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in the reverse order depending on the functions involved. To perform functions, 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 some examples may be combined in other examples.

From 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 hardware platform, and of course hardware can also be used, but in many cases the former is better implementation. Based on this understanding, the technical solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of this 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 embodiments, which are merely illustrative rather than restrictive. Under the inspiration of this application, without departing from the scope of protection of the purpose of this application and the claims, many forms can be made, which all fall within the protection of this application.

Claims

A method for sending control signaling, applied to a network side device, the method includes:

Sending control signaling, where the control signaling is used to instruct the intermediate node to perform at least one of the following: receive a first message from the network side device and forward the first message to the terminal; receive a first message from the terminal and forward the second message to the network side device.
The method of claim 1, wherein,

The control signaling is used to indicate the time domain position where the intermediate node receives and/or forwards the first message; and/or

The control signaling is used to instruct the intermediate node to receive and/or forward the time domain position of the second message.
The method according to claim 1 or 2, wherein,

The control signaling is used to instruct the intermediate node to receive and/or forward the beam information of the first message; and/or

The control signaling is used to instruct the intermediate node to receive and/or forward the beam information of the second message.
The method according to claim 1, wherein the first message includes a physical downlink control channel (PDCCH) and a physical downlink shared channel (PDSCH), and the PDCCH is used to schedule transmission of the PDSCH; the second message includes a physical uplink control channel (PDSCH) channel PUCCH.
The method of claim 4, wherein the control signaling includes at least one of the following:

The relay transmission configuration indicates the R-TCI field, where the R-TCI field is used to instruct the intermediate node to receive the PDCCH and the receiving beam of the PDSCH;

a transmission configuration indicating a TCI field, where the TCI field is used to instruct the intermediate node to forward the transmission beams of the PDCCH and the PDSCH;

time-domain location information, where the time-domain location information is used to instruct the intermediate node to receive and/or forward at least one of the following: a start time-domain location and an end time-domain location;

PUCCH spatial relationship information identifier, where the PUCCH spatial relationship information identifier is used to instruct the intermediate node to receive the reception information of the PUCCH;

Indication information for indicating the type of the control signaling.
The method of claim 5, wherein the PDCCH and the PDSCH are transmitted discontinuously, wherein

The starting time domain position includes the starting time domain position of the PDCCH and the starting time domain position of the PDSCH; and/or

The end time domain position includes the end time domain position of the PDCCH and the end time domain position of the PDSCH.
6. The method of claim 5, wherein the first message is transmitted across time slots, wherein the time domain location information further includes time slot information of the first message.
The method of claim 5, wherein the time domain location information is further used to indicate a time domain offset;

The time-domain offset includes an offset between a first time-domain position and a second time-domain position, and the first time-domain position is a time-domain position where the intermediate node receives the control signaling , the second time domain location is the time domain location where the intermediate node receives the first message.
The method of claim 1, wherein the first message comprises a PDCCH and the second message comprises a physical uplink shared channel PUSCH, the PDCCH is used to schedule transmission of the PUSCH.
The method of claim 9, wherein the control signaling includes at least one of the following:

R-TCI field, the R-TCI field is used to instruct the intermediate node to receive the receive beam of the PDCCH;

Time domain resource allocation TDRA domain, the TDRA domain is used to indicate the time slot, symbol position and length of the PUSCH received by the intermediate node;

Sounding reference signal SRS spatial relationship information, where the SRS spatial relationship information is used to instruct the intermediate node to receive the receiving beam of the PUSCH;

R space relationship information, where the R space relationship information is used to instruct the intermediate node to forward the transmission beam of the PUSCH;

Indication information for indicating the type of the control signaling.
The method of claim 1, wherein the first message comprises PDCCH and aperiodic channel state information reference signal CSI-RS.
The method of claim 11, wherein the control signaling comprises at least one of the following:

R-TCI field, where the R-TCI field is used to instruct the intermediate node to receive the receive beam of the aperiodic CSI-RS;

Quasi-co-located QCL information, where the QCL information is used to instruct the intermediate node to forward the transmission beam of the aperiodic CSI-RS;

time slot information, where the time slot information is used to instruct the intermediate node to forward the time slot of the aperiodic CSI-RS;

CSI-RS time domain information, where the CSI-RS time domain information is used to instruct the intermediate node to forward the symbol start position and length of the aperiodic CSI-RS.
The method of claim 1, wherein the first message comprises periodic CSI-RS or semi-persistent CSI-RS.
The method of claim 13, wherein the control signaling includes at least one of the following:

QCL information, where the QCL information is used to instruct the intermediate node to forward the transmission beam of the periodic CSI-RS or semi-persistent CSI-RS;

Period and offset information, the period and offset information are used to instruct the intermediate node to forward the period and slot offset of the periodic CSI-RS or semi-persistent CSI-RS;

Whether the repetition information is used to indicate whether the multiple periodic CSI-RS or semi-persistent CSI-RS beams forwarded by the intermediate node are the same;

CSI-RS time domain information, where the CSI-RS time domain information is used to instruct the intermediate node to forward the symbol start position and length of the periodic CSI-RS or semi-persistent CSI-RS.
The method of claim 1, wherein the first message includes a PDCCH, the second message includes an aperiodic SRS, and the PDCCH is used to instruct the terminal to transmit the aperiodic SRS.
The method of claim 15, wherein the control signaling comprises at least one of the following:

time domain location information, where the time domain location information is used to indicate the time domain location where the intermediate node receives the aperiodic SRS;

spatial correlation information, where the spatial correlation information is used to instruct the intermediate node to receive the receive beam of the aperiodic SRS;

SRS time domain information, where the SRS time domain information is used to indicate the starting position and length of the symbol at which the intermediate node receives the aperiodic SRS.
The method of claim 1, wherein the second message comprises a periodic SRS or a semi-persistent SRS.
The method of claim 17, wherein the control signaling includes at least one of the following:

Period and offset information, where the period and offset information are used to indicate the period and slot offset at which the intermediate node receives the periodic SRS or semi-persistent SRS;

spatial correlation information, where the spatial correlation information is used to instruct the intermediate node to receive the receiving beam of the periodic SRS or semi-persistent SRS;

SRS time domain information, where the SRS time domain information is used to indicate the starting position and length of symbols at which the intermediate node receives the periodic SRS or semi-persistent SRS.
The method of claim 1, wherein the first message includes a synchronization and broadcast block SSB.
The method of claim 19, wherein the control signaling includes at least one of the following:

SSB cycle information, where the SSB cycle information is used to indicate the cycle at which the intermediate node receives and/or forwards the SSB;

SSB number information, the SSB number information is used to indicate the number of SSBs received and/or forwarded by the intermediate node;

SSB time index information, the SSB time index information is used to instruct the intermediate node to receive and/or forward the time information of the SSB;

Half-frame indication information, where the half-frame indication information is used to indicate whether the time domain position where the intermediate node receives and/or forwards the SSB is in the first half frame or the second half frame of a radio frame;

System frame number information, where the system frame number information is used to instruct the intermediate node to forward the time information of the SSB.
A method for receiving control signaling, applied to an intermediate node, the method includes:

Receive control signaling, where the control signaling is used to instruct the intermediate node to perform at least one of the following: receive the first message from the network side device and forward the first message to the terminal; receive the first message from the terminal and forward the second message to the network side device.
The method of claim 21, wherein,

The control signaling is used to indicate the time domain position where the intermediate node receives and/or forwards the first message; and/or

The control signaling is used to instruct the intermediate node to receive and/or forward the time domain position of the second message.
A method according to claim 21 or 22, wherein,

The control signaling is used to instruct the intermediate node to receive and/or forward the beam information of the first message; and/or

The control signaling is used to instruct the intermediate node to receive and/or forward the beam information of the second message.
The method according to claim 21, wherein the first message includes a physical downlink control channel (PDCCH) and a physical downlink shared channel (PDSCH), the PDCCH is used to schedule transmission of the PDSCH; the second message includes a physical uplink control channel (PDSCH) Channel PUCCH, the control signaling includes at least one of the following:

The relay transmission configuration indicates the R-TCI field, where the R-TCI field is used to instruct the intermediate node to receive the PDCCH and the receiving beam of the PDSCH;

The transmission configuration indicates the TCI field, and the TCI field is used to instruct the intermediate node to forward the transmission beams of the PDCCH and the PDSCH;

time-domain location information, where the time-domain location information is used to instruct the intermediate node to receive and/or forward at least one of the following: a start time-domain location and an end time-domain location;

PUCCH spatial relationship information identifier, where the PUCCH spatial relationship information identifier is used to instruct the intermediate node to receive the reception information of the PUCCH;

Indication information for indicating the type of the control signaling.
The method of claim 21, wherein the first message includes a PDCCH, the second message includes a physical uplink shared channel PUSCH, the PDCCH is used to schedule transmission of the PUSCH, and the control signaling includes the following at least one of:

R-TCI field, the R-TCI field is used to instruct the intermediate node to receive the receive beam of the PDCCH;

Time domain resource allocation TDRA domain, the TDRA domain is used to indicate the time slot, symbol position and length of the PUSCH received by the intermediate node;

Sounding reference signal SRS spatial relationship information, where the SRS spatial relationship information is used to instruct the intermediate node to receive the receiving beam of the PUSCH;

R space relationship information, where the R space relationship information is used to instruct the intermediate node to forward the transmission beam of the PUSCH;

Indication information for indicating the type of the control signaling.
The method according to claim 21, wherein the first message includes PDCCH and aperiodic channel state information reference signal CSI-RS, and the control signaling includes at least one of the following:

R-TCI field, where the R-TCI field is used to instruct the intermediate node to receive the receive beam of the aperiodic CSI-RS;

Quasi-co-located QCL information, where the QCL information is used to instruct the intermediate node to forward the transmission beam of the aperiodic CSI-RS;

time slot information, where the time slot information is used to instruct the intermediate node to forward the time slot of the aperiodic CSI-RS;

CSI-RS time domain information, where the CSI-RS time domain information is used to indicate the starting position and length of the symbol at which the intermediate node forwards the aperiodic CSI-RS.
The method of claim 21, wherein the first message includes periodic CSI-RS or semi-persistent CSI-RS, and the control signaling includes at least one of the following:

QCL information, where the QCL information is used to instruct the intermediate node to forward the transmission beam of the periodic CSI-RS or semi-persistent CSI-RS;

Period and offset information, the period and offset information are used to instruct the intermediate node to forward the period and slot offset of the periodic CSI-RS or semi-persistent CSI-RS;

Whether the repetition information is used to indicate whether the multiple periodic CSI-RS or semi-persistent CSI-RS beams forwarded by the intermediate node are the same;

CSI-RS time domain information, where the CSI-RS time domain information is used to instruct the intermediate node to forward the symbol start position and length of the periodic CSI-RS or semi-persistent CSI-RS.
The method according to claim 21, wherein the first message includes a PDCCH, the second message includes an aperiodic SRS, and the PDCCH is used to instruct the terminal to transmit the aperiodic SRS, and the control The signaling includes at least one of the following:

time domain location information, where the time domain location information is used to indicate the time domain location where the intermediate node receives the aperiodic SRS;

spatial correlation information, where the spatial correlation information is used to instruct the intermediate node to receive the receive beam of the aperiodic SRS;

SRS time domain information, where the SRS time domain information is used to indicate the starting position and length of the symbol at which the intermediate node receives the aperiodic SRS.
The method of claim 21, wherein the second message comprises a periodic SRS or a semi-persistent SRS, and the control signaling comprises at least one of the following:

Period and offset information, where the period and offset information are used to indicate the period and slot offset at which the intermediate node receives the periodic SRS or semi-persistent SRS;

spatial correlation information, where the spatial correlation information is used to instruct the intermediate node to receive the receiving beam of the periodic SRS or semi-persistent SRS;

SRS time domain information, where the SRS time domain information is used to indicate the starting position and length of the symbol at which the intermediate node receives the periodic SRS or the semi-persistent SRS.
The method of claim 21, wherein the first message includes a synchronization and broadcast block (SSB), and the control signaling includes at least one of the following:

SSB cycle information, where the SSB cycle information is used to indicate the cycle at which the intermediate node receives and/or forwards the SSB;

SSB number information, the SSB number information is used to indicate the number of SSBs received and/or forwarded by the intermediate node;

SSB time index information, the SSB time index information is used to instruct the intermediate node to receive and/or forward the time information of the SSB;

Half-frame indication information, where the half-frame indication information is used to indicate whether the time domain position where the intermediate node receives and/or forwards the SSB is in the first half frame or the second half frame of a radio frame;

System frame number information, where the system frame number information is used to instruct the intermediate node to forward the time information of the SSB.
A network side device, comprising:

a sending module, configured to send control signaling, where the control signaling is used to instruct the intermediate node to perform at least one of the following: receive a first message from the network side device and forward the first message to the terminal; receive The second message from the terminal is forwarded to the network side device.
An intermediate node that includes:

a receiving module, configured to receive control signaling, where the control signaling is used to instruct the intermediate node to perform at least one of the following: receive a first message from a network-side device and forward the first message to a terminal; receive The second message from the terminal is forwarded to the network side device.
A communication device comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the processor to achieve as claimed in claims 1 to 20 Any one of the method for sending control signaling, or implementing the method for receiving control signaling according to any one of claims 21 to 30.
A readable storage medium on which programs or instructions are stored, and when the programs or instructions are executed by the processor, the method for sending control signaling according to any one of claims 1 to 20 is implemented , or implement the method for receiving control signaling according to any one of claims 21 to 30.
A chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, and the processor is used to run a program or an instruction to implement the control signal according to any one of claims 1 to 20. A method for sending a command, or implementing the method for receiving a control signal according to any one of claims 21 to 30.