CN117158103A

CN117158103A - LBT control method, equipment and storage medium

Info

Publication number: CN117158103A
Application number: CN202180096452.2A
Authority: CN
Inventors: 杜冬阳
Original assignee: Shenzhen Transsion Holdings Co Ltd
Current assignee: Shenzhen Transsion Holdings Co Ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2023-12-01
Also published as: WO2022213304A1

Abstract

The embodiment of the application provides an LBT control method, equipment and a storage medium, wherein the method is applied to terminal equipment and comprises the following steps: obtaining a channel interference detection result, wherein the channel interference detection result is used for indicating whether channel transmission between the terminal equipment and the network equipment has interference or not; and sending LBT control information to the network equipment according to the channel interference detection result, wherein the LBT control information is used for controlling the starting or closing of an LBT mechanism of the network equipment. The scheme of the embodiment of the application reduces the signaling overhead of the system.

Description

LBT control method, equipment and storage medium

Technical Field

The embodiment of the application relates to the technical field of communication, in particular to an LBT control method, equipment and a storage medium.

Background

LBT (listen before talk, abbreviated LBT) technology is a technology that avoids channel access collisions. When data transmission is needed between the base station and the terminal equipment, the party sending the data can monitor whether interference exists around through the LBT technology. The transmission of data is only performed if no interference around is detected.

In the 5G New Radio (NR), the LBT technique is implemented by using a Request To Send (RTS) or Clear To Send (CTS) handshake. When data transmission is needed, the transmitting end firstly transmits RST. The receiving end sends a CTS after receiving and correctly decoding the RTS. After receiving the CTS, the transmitting end completes an RTS/CTS handshake, at which time the transmitting end may send data to the receiving end.

In high frequency systems, there is less probability of other interference within a single connection beam due to the narrower coverage of the beam. The LBT approach of the RTS/CTS handshake described above increases the signaling overhead of the system if it is used every time data is sent.

Disclosure of Invention

The embodiment of the application provides an LBT control method, equipment and a storage medium, which are used for solving the problem that the LBT mode adopting the RTS/CTS handshake can increase the signaling overhead of a system when data is sent every time.

In a first aspect, an embodiment of the present application provides an LBT control method, applied to a terminal device, where the method includes:

obtaining a channel interference detection result, wherein the channel interference detection result is used for indicating whether channel transmission between the terminal equipment and the network equipment has interference or not;

And sending LBT control information to the network equipment according to the channel interference detection result, wherein the LBT control information is used for controlling the starting or closing of an LBT mechanism of the network equipment.

Optionally, sending LBT control information to the network device, including:

and sending UCI information to the network equipment, wherein the UCI information comprises the LBT control information.

Optionally, when the channel interference detection result is that there is interference, the LBT control information is LBT start information; and/or the number of the groups of groups,

and when the channel interference detection result is that no interference exists, the LBT control information is LBT closing information.

Optionally, acquiring a channel interference detection result between the network device and the network device includes:

acquiring the state of an LBT mechanism of the network equipment;

and acquiring the channel interference detection result according to the state of the LBT mechanism.

Optionally, when the state of the LBT mechanism is an off state, acquiring the channel interference detection result includes:

acquiring average retransmission times and/or peak retransmission times when the network equipment transmits data to the terminal equipment in a first period, wherein the first period is a period in which transmission parameters between the terminal equipment and the network equipment are unchanged;

When the average retransmission times and/or the peak retransmission times meet a preset condition, determining that the channel interference detection result is interference; and/or the number of the groups of groups,

and when the average retransmission times and/or the peak retransmission times do not meet a preset condition, determining that the channel interference detection result is that no interference exists.

Optionally, when the state of the LBT mechanism is an on state, acquiring the channel interference detection result includes:

acquiring SINR of a reference signal in a second period, wherein the second period is a period before the network equipment transmits data to the terminal equipment;

and acquiring the channel interference detection result according to the SINR.

In a second aspect, an embodiment of the present application provides an LBT control method, applied to a terminal device, where the method includes:

acquiring a timer state;

and sending LBT control information to the network equipment according to the timer state and the channel interference detection result, wherein the channel interference detection result is used for indicating whether channel transmission between the terminal equipment and the network equipment is interfered or not, and the LBT control information is used for controlling the opening or closing of an LBT mechanism of the network equipment.

Optionally, when the channel interference detection result indicates that there is no interference and the timer state is a timeout state, the LBT control information is LBT closing information;

and when the channel interference detection result is that interference exists and the timer state is a timeout state, the LBT control information is LBT starting information.

Optionally, acquiring the timer state includes:

acquiring the timer state according to the configured timer duration of the RRC signaling; or,

acquiring the timer state according to the timer duration configured by the MAC CE; or,

and acquiring the timer state according to the timer duration configured by the DCI information.

Optionally, before transmitting LBT control information to the network device according to the timer state and the channel interference detection result, the method further comprises:

and obtaining a channel interference detection result.

Optionally, acquiring the sequence of the timer state and the channel interference detection result includes at least one of the following:

firstly, acquiring the state of the timer, and then acquiring the channel interference detection result;

firstly, acquiring the channel interference detection result, and then acquiring the state of the timer;

and simultaneously acquiring the timer state and the channel interference detection result.

Optionally, obtaining the channel interference detection result includes:

acquiring the state of an LBT mechanism of the network equipment;

Optionally, the obtaining the channel interference detection result according to the state of the LBT mechanism includes at least one of the following:

when the state of the LBT mechanism is in a closed state, acquiring average retransmission times and/or peak retransmission times when the network equipment transmits data to the terminal equipment in a first period, and determining that the channel interference detection result is interference when the average retransmission times and/or the peak retransmission times meet preset conditions; and/or determining that the channel interference detection result is that no interference exists when the average retransmission times and/or the peak retransmission times do not meet a preset condition; optionally, the first period is a period in which transmission parameters between the terminal device and the network device are unchanged;

when the state of the LBT mechanism is in an on state, acquiring SINR of a reference signal in a second period, and acquiring the channel interference detection result according to the SINR; optionally, the second period is a period before the network device transmits data to the terminal device.

In a third aspect, an embodiment of the present application provides an LBT control method, applied to a network device, where the method includes:

obtaining a channel interference detection result, wherein the channel interference detection result is used for indicating whether channel transmission between the network equipment and the terminal equipment has interference or not;

and sending LBT control information to the terminal equipment according to the channel interference detection result, wherein the LBT control information is used for controlling the starting or closing of an LBT mechanism of the terminal equipment.

Optionally, sending LBT control information to the terminal device, including:

and sending UCI information to the terminal equipment, wherein the UCI information comprises the LBT control information.

Optionally, obtaining the channel interference detection result includes:

acquiring the state of an LBT mechanism of the terminal equipment;

Acquiring average retransmission times and/or peak retransmission times when the terminal equipment transmits data to the network equipment in a first period, wherein the first period is a period in which transmission parameters between the terminal equipment and the network equipment are unchanged;

acquiring SINR of a reference signal in a second period, wherein the second period is a period before the terminal equipment transmits data to the network equipment;

and acquiring the channel interference detection result according to the SINR.

In a fourth aspect, an embodiment of the present application provides an LBT control method, applied to a network device, where the method includes:

acquiring a timer state;

and sending LBT control information to the terminal equipment according to the timer state and the channel interference detection result, wherein the channel interference detection result is used for indicating whether channel transmission between the terminal equipment and the network equipment is interfered or not, and the LBT control information is used for controlling the starting or closing of an LBT mechanism of the terminal equipment.

Optionally, acquiring the timer state includes:

Optionally, before transmitting LBT control information to the terminal device according to the timer state and the channel interference detection result, the method further includes:

and obtaining a channel interference detection result.

Optionally, obtaining the channel interference detection result includes:

acquiring the state of an LBT mechanism of the terminal equipment;

when the state of the LBT mechanism is in a closed state, acquiring average retransmission times and/or peak retransmission times when the terminal equipment transmits data to the network equipment in a first period, and determining that the channel interference detection result is interference when the average retransmission times and/or the peak retransmission times meet preset conditions; and/or determining that the channel interference detection result is that no interference exists when the average retransmission times and/or the peak retransmission times do not meet a preset condition; optionally, the first period is a period in which transmission parameters between the terminal device and the network device are unchanged;

when the state of the LBT mechanism is in an on state, acquiring SINR of a reference signal in a second period, and acquiring the channel interference detection result according to the SINR; optionally, the second period is a period before the terminal device transmits data to the network device.

In a fifth aspect, an embodiment of the present application provides an LBT control method, applied to a terminal device, where the method includes:

obtaining LBT control information from a network device;

and controlling the opening or closing of the LBT mechanism of the terminal equipment according to the LBT control information.

Optionally, obtaining LBT control information from the network device includes:

acquiring UCI information from the network equipment;

and acquiring the LBT control information according to the UCI information.

In a sixth aspect, an embodiment of the present application provides an LBT control method, applied to a network device, where the method includes:

obtaining LBT control information from terminal equipment;

and controlling the on or off of an LBT mechanism of the network equipment according to the LBT control information.

Optionally, acquiring LBT control information from the terminal device includes:

acquiring UCI information from the terminal equipment;

and acquiring the LBT control information according to the UCI information.

In a seventh aspect, an embodiment of the present application provides an LBT control device, including:

the acquisition module is used for acquiring a channel interference detection result, wherein the channel interference detection result is used for indicating whether channel transmission between the terminal equipment and the network equipment is interfered or not;

And the sending module is used for sending LBT control information to the network equipment according to the channel interference detection result, wherein the LBT control information is used for controlling the opening or closing of an LBT mechanism of the network equipment.

Optionally, the sending module is specifically configured to:

Optionally, the acquiring module is specifically configured to:

acquiring the state of an LBT mechanism of the network equipment;

Optionally, when the state of the LBT mechanism is an off state, the acquiring module is specifically configured to:

Optionally, when the state of the LBT mechanism is an on state, the acquiring module is specifically configured to:

and acquiring the channel interference detection result according to the SINR.

In an eighth aspect, an embodiment of the present application provides an LBT control device, including:

the acquisition module acquires a timer state;

and the sending module is used for sending LBT control information to the network equipment according to the timer state and the channel interference detection result, wherein the channel interference detection result is optionally used for indicating whether channel transmission between the terminal equipment and the network equipment is interfered or not, and the LBT control information is used for controlling the opening or closing of an LBT mechanism of the network equipment.

Optionally, the acquiring module is specifically configured to:

Optionally, before transmitting LBT control information to the network device according to the timer state and the channel interference detection result, the obtaining module is further configured to:

and obtaining a channel interference detection result.

Optionally, the acquiring module is specifically further configured to:

acquiring the state of an LBT mechanism of the network equipment;

Optionally, the acquiring module is specifically further configured to:

In a ninth aspect, an embodiment of the present application provides an LBT control device, including:

the acquisition module is used for acquiring a channel interference detection result, wherein the channel interference detection result is used for indicating whether channel transmission between the network equipment and the terminal equipment is interfered or not;

And the sending module is used for sending LBT control information to the terminal equipment according to the channel interference detection result, wherein the LBT control information is used for controlling the starting or closing of an LBT mechanism of the terminal equipment.

Optionally, the sending module is specifically configured to:

Optionally, the acquiring module is specifically configured to:

acquiring the state of an LBT mechanism of the terminal equipment;

and acquiring the channel interference detection result according to the SINR.

In a tenth aspect, an embodiment of the present application provides an LBT control device, including:

the acquisition module is used for acquiring the state of the timer;

and the sending module is used for sending LBT control information to the terminal equipment according to the timer state and the channel interference detection result, optionally, the channel interference detection result is used for indicating whether channel transmission between the terminal equipment and the network equipment is interfered or not, and the LBT control information is used for controlling the starting or closing of an LBT mechanism of the terminal equipment.

Optionally, the acquiring module is specifically configured to:

Optionally, before transmitting LBT control information to the terminal device according to the timer state and the channel interference detection result, the obtaining module is further configured to:

and obtaining a channel interference detection result.

Optionally, the acquiring module is specifically further configured to:

acquiring the state of an LBT mechanism of the terminal equipment;

Optionally, the acquiring module is specifically further configured to:

In an eleventh aspect, an embodiment of the present application provides an LBT control device, including:

an acquisition module, configured to acquire LBT control information from a network device;

and the processing module is used for controlling the starting or closing of the LBT mechanism of the terminal equipment according to the LBT control information.

Optionally, the acquiring module is specifically configured to:

acquiring UCI information from the network equipment;

and acquiring the LBT control information according to the UCI information.

In a twelfth aspect, an embodiment of the present application provides an LBT control device, including:

the acquisition module is used for acquiring LBT control information from the terminal equipment;

and the processing module is used for controlling the on or off of the LBT mechanism of the network equipment according to the LBT control information.

Optionally, the acquiring module is specifically configured to:

acquiring UCI information from the terminal equipment;

and acquiring the LBT control information according to the UCI information.

In a thirteenth aspect, an embodiment of the present application provides a communication device, including: a processor, a memory;

the memory stores computer-executable instructions;

the computer-executable instructions, when executed by the processor, implement the method of any one of the first to sixth aspects.

In a fourteenth aspect, an embodiment of the present application provides a computer-readable storage medium having stored therein computer-executable instructions for implementing the method according to any one of the first to sixth aspects when the computer-executable instructions are executed by a processor.

In a fifteenth aspect, embodiments of the present application provide a computer program product comprising a computer program which, when executed by a processor, implements the method of any one of the first to sixth aspects.

Before downlink data transmission, firstly, a terminal device acquires a channel interference detection result, wherein the channel interference detection result is used for indicating whether channel transmission between the terminal device and a network device has interference or not; and then, the terminal equipment sends LBT control information to the network equipment according to the channel interference detection result, and the network equipment can control the on or off of an LBT mechanism of the network equipment according to the LBT control information. Before uplink data transmission, the network device sends LBT control information to the terminal device according to the channel interference detection result, and the terminal device controls the starting or closing of an LBT mechanism of the novel control network device according to the LBT. According to the scheme of the embodiment of the application, the starting and the closing of the LBT mechanism of the network equipment or the terminal equipment are flexibly controlled by the channel interference detection result between the terminal equipment and the network equipment, the LBT mechanism can be started when the interference exists so as to ensure the correct transmission of the downlink data or the uplink data, and the LBT mechanism is closed when the interference does not exist so as to reduce the signaling overhead of the system.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of an application scenario provided in an embodiment of the present application;

fig. 2 is a signaling diagram of an LBT control method according to an embodiment of the present application;

fig. 3 is a flowchart of a LBT control method according to an embodiment of the present application;

fig. 4 is a signaling diagram two of an LBT control method according to an embodiment of the present application;

fig. 5 is a signaling diagram III of an LBT control method according to an embodiment of the present application;

fig. 6 is a second schematic flow chart of an LBT control method according to an embodiment of the present application;

fig. 7 is a signaling diagram of an LBT control method according to an embodiment of the present application;

fig. 8 is a schematic diagram of data transmission according to an embodiment of the present application;

fig. 9 is a second schematic diagram of data transmission according to an embodiment of the present application;

fig. 10 is a schematic structural diagram of an LBT control device according to an embodiment of the present application;

FIG. 11 is a schematic diagram II of an LBT control device according to an embodiment of the present application;

fig. 12 is a schematic structural diagram III of an LBT control device according to an embodiment of the present application;

fig. 13 is a schematic structural diagram of an LBT control device according to an embodiment of the present application;

fig. 14 is a schematic diagram of a LBT control device according to an embodiment of the present application;

fig. 15 is a schematic structural diagram of an LBT control device according to an embodiment of the present application;

fig. 16 is a schematic diagram of a hardware structure of a communication device according to an embodiment of the present application;

fig. 17 is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present application;

fig. 18 is a schematic diagram of a communication network system according to an embodiment of the present application.

The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments. Specific embodiments of the present application have been shown by way of the above drawings and will be described in more detail below. The drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but rather to illustrate the inventive concepts to those skilled in the art by reference to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

For ease of understanding, the concepts to which the present application relates are explained first.

Terminal equipment: the device comprises a wireless receiving and transmitting function and can be matched with network equipment to provide communication service for users. In particular, a terminal device may refer to a User Equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a User terminal, a wireless communication device, a User agent, or a User Equipment. For example, the terminal device may be a cellular telephone, a cordless telephone, a session initiation protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital assistant (Personal Digital Assistant, PDA), a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal device in a future 5G network or a network after 5G, etc.

Network equipment: the network device may be a device for communicating with the terminal device, for example, may be a base station (Base Transceiver Station, BTS) in a global system for mobile communications (Global System for Mobile Communication, GSM) or code division multiple access (Code Division Multiple Access, CDMA) communication system, may be a base station (NodeB, NB) in a wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system, may be an evolved base station (Evolutional Node B, eNB or eNodeB) in an LTE system, or the network device may be a relay station, an access point, a vehicle-mounted device, a wearable device, a network-side device in a future 5G network or a network device in a future evolved public land mobile network (Public Land Mobile Network, PLMN) network, or the like.

The network devices involved in embodiments of the present application may also be referred to as radio access network (Radio Access Network, RAN) devices. The RAN equipment is connected with the terminal equipment and is used for receiving the data of the terminal equipment and sending the data to the core network equipment. The RAN devices correspond to different devices in different communication systems, e.g. to base stations and base station controllers in 2G systems, to base stations and radio network controllers (Radio Network Controller, RNC) in 3G systems, to evolved base stations (Evolutional Node B, eNB) in 4G systems, and to access network devices (e.g. gNB, centralized unit CU, distributed unit DU) in 5G systems, such as NR.

Beam: refers to the characteristic that the energy of electromagnetic waves emitted from an antenna is concentrated in a certain region in space.

LBT: listen before talk listen before talk technique, a technique to avoid channel access collisions. When data transmission is needed between the terminal equipment and the network equipment, a sender monitors whether interference exists around through an LBT technology, and only when the situation that the interference exists around is monitored, the data transmission is carried out.

RTS/CTS handshake: an implementation of LBT. When the target sender has data to send, firstly, an RTS frame is sent to the target receiver, and after the target receiver receives the RTS frame and can correctly decode the RTS frame, a CTS frame is sent to the target sender. After the target sender receives the CTS frame and can correctly decode the CTS frame, an RTS/CTS handshake procedure is completed, at which time the target sender can send data to the target receiver. Non-targeted senders and non-targeted receivers need to stay silent for a period of time after receiving RTS or CTS.

UCI: uplink control information, uplink control information.

DCI: downlink control information, downlink control information.

RRC: radio resource control, radio resource control.

MAC CE: MAC control element MAC control element for control signaling between UE and eNB of MAC layer.

SINR: signal to interference plus noise ratio, signal to interference plus noise ratio, refers to the ratio of the strength of the received useful signal to the strength of the received interfering signal (noise and interference).

Next, a scene to which the method of the present application is applied will be described with reference to fig. 1.

Fig. 1 is a schematic diagram of an application scenario provided in an embodiment of the present application. Referring to fig. 1, including a network device 11 and a terminal device 12, wireless communication between the network device 11 and the terminal device 12 may be performed through a beam 13.

In the course of wireless communication between the network device 11 and the terminal device 12, data transmission may be performed between the network device 11 and the terminal device 12. Before data transmission, an LBT mechanism is generally used to determine whether there is interference around, and only if no interference around is detected, data transmission is performed.

In high frequency systems, the LBT mechanism is implemented by way of an RTS/CTS handshake. When data transmission is needed, the transmitting end firstly transmits RST. The receiving end sends a CTS after receiving and correctly decoding the RTS. After receiving the CTS, the transmitting end completes an RTS/CTS handshake, at which time the transmitting end may send data to the receiving end.

In a high frequency system, since the beam 13 between the network device 11 and the terminal device 12 is highly concentrated in energy and has a narrow coverage, there is a small probability of interference within the coverage of a single connection beam. If RTS/CTS handshakes are required before each data transmission, the signaling overhead of the system is increased, thereby reducing the capacity of the whole system. However, although the probability of interference is small, LBT mechanisms by way of RTS/CTS handshaking are also necessary once interference is present. Therefore, how to turn on the LBT mechanism when needed and turn off the LBT mechanism when other times to reduce the signaling overhead of the system is a problem to be solved.

It can be appreciated that the technical solution of the embodiment of the present application may be applied to NR communication technology, where NR refers to a new generation radio access network technology, and may be applied to future evolution networks, such as the fifth generation mobile communication (the 5th Generation Mobile Communication,5G) system. The scheme in the embodiment of the application can be also applied to other wireless communication networks such as wireless fidelity (Wireless Fidelity, WIFI), long-term evolution (Long Term Evolution, LTE) and the like, and the corresponding names can be replaced by the names of the corresponding functions in the other wireless communication networks.

The network architecture and the service scenario described in the embodiments of the present application are for more clearly describing the technical solution of the embodiments of the present application, and do not constitute a limitation on the technical solution provided by the embodiments of the present application, and those skilled in the art can know that, with the evolution of the network architecture and the appearance of the new service scenario, the technical solution provided by the embodiments of the present application is applicable to similar technical problems.

The embodiment of the application provides a control method of LBT (local binary tree) to solve the problems.

Fig. 2 is a signaling diagram one of an LBT control method according to an embodiment of the present application, as shown in fig. 2, including:

s21, the terminal equipment acquires a channel interference detection result, wherein the channel interference detection result is used for indicating whether channel transmission between the terminal equipment and the network equipment has interference.

The method illustrated in fig. 2 is used in situations where the network device needs to transmit data to the terminal device. If the LBT mechanism is started before the network equipment transmits the data to the terminal equipment, the network equipment can be determined that the surrounding is not interfered when the network equipment transmits the data to the terminal equipment, and the normal transmission of the data is ensured. However, if the LBT mechanism is turned on before each data transmission, the signaling overhead of the system is greatly increased.

Based on the above, the terminal device may obtain a channel interference detection result between the terminal device and the network device, where the channel interference detection result is used to indicate whether there is interference in channel transmission between the terminal device and the network device, and the channel interference detection result may be that there is interference or no interference, or a certain interference parameter may be set, so as to determine the channel interference detection result according to the interference parameter.

And S22, the terminal equipment sends LBT control information to the network equipment according to the channel interference detection result, wherein the LBT control information is used for controlling the opening or closing of an LBT mechanism of the network equipment.

If the channel interference detection result indicates that the channel transmission between the terminal equipment and the network equipment is not interfered or the interference is small, the network equipment is less likely to be interfered by the surrounding when transmitting data to the terminal equipment; on the contrary, if the channel interference detection result indicates that there is interference in channel transmission between the terminal device and the network device, or the interference is more obvious, it indicates that the possibility that the network device is subjected to surrounding interference when transmitting data to the terminal device is higher.

According to the channel interference detection result, the terminal device may send LBT control information to the network device, for controlling on or off of an LBT mechanism of the network device.

S23, the network equipment acquires LBT control information from the terminal equipment.

And S24, the network equipment controls the on or off of an LBT mechanism of the network equipment according to the LBT control information.

After the terminal device transmits the LBT control information to the network device, the network device may receive the LBT control information and control on or off of an LBT mechanism of the network device according to the LBT control information. Optionally, when the channel interference detection result indicates that there is no interference or little interference in channel transmission between the terminal device and the network device, the LBT control information controls closing of an LBT mechanism of the network device; when the channel interference detection result indicates that the channel transmission between the terminal equipment and the network equipment has interference or the interference is obvious, the LBT control information controls the starting of an LBT mechanism of the network equipment.

The control method of LBT provided by the embodiment of the application comprises the steps that firstly, a terminal device obtains a channel interference detection result between the terminal device and network equipment, and the channel interference detection result is used for indicating whether channel transmission between the terminal device and the network equipment has interference or not; and then, the terminal equipment sends LBT control information to the network equipment according to the channel interference detection result, and the network equipment can control the on or off of an LBT mechanism of the network equipment according to the LBT control information. According to the scheme of the embodiment of the application, the starting and the closing of the LBT mechanism of the network equipment are flexibly controlled through the channel interference detection result between the terminal equipment and the network equipment, the LBT mechanism can be started when the interference exists so as to ensure the correct transmission of downlink data, and the LBT mechanism is closed when the interference does not exist so as to reduce the signaling overhead of the system.

The following describes the aspects of the application in detail with reference to specific examples.

Fig. 3 is a flow chart diagram of an LBT control method according to an embodiment of the present application, as shown in fig. 3, including:

s31, the network device does not turn on the LBT mechanism.

In the initial stage, the network equipment does not start the LBT mechanism, and when the LBT start information sent by the terminal equipment is not received, the network equipment does not start the LBT mechanism.

S32, the terminal equipment obtains average retransmission times and/or peak retransmission times when the network equipment transmits data to the terminal equipment in a first period.

When the network device is in the state of not starting the LBT mechanism, the terminal device may acquire the average retransmission times and/or the peak retransmission times when the network device transmits data to the terminal device in the first period, and optionally, the first period is a period in which transmission parameters between the terminal device and the network device are unchanged.

And S33, the terminal equipment judges whether the channel interference detection result has interference according to the average retransmission times and/or the peak retransmission times, if so, the S34 is executed, and/or if not, the S31 is executed.

The average retransmission number and/or the peak retransmission number in the first period are used for judging whether channel interference exists between the terminal equipment and the network equipment. When the average retransmission times and/or the peak retransmission times in the first period meet the preset conditions, determining that the channel interference detection result is interference, and when the average retransmission times and/or the peak retransmission times in the first period do not meet the preset conditions, determining that the channel interference detection result is interference-free.

Optionally, the preset condition may be that the average retransmission number and/or the peak retransmission number in the first period is greater than or equal to the first threshold. When the average retransmission times and/or the peak retransmission times in the first period are greater than or equal to a first threshold, the network equipment is indicated to transmit data to the terminal equipment before the average retransmission times and/or the peak retransmission times in the first period are greater, and the greater retransmission times are possibly caused by channel interference between the network equipment and the terminal equipment, so that when the average retransmission times and/or the peak retransmission times in the first period are greater than or equal to the first threshold, the channel interference detection result is regarded as interference, otherwise, the channel interference detection result is regarded as no interference.

Alternatively, the first threshold may be ten percent of the number of data transmissions performed by the terminal device and the network device in the first period. At this time, when the average retransmission number in the first period reaches ten percent, or the average peak retransmission number in the first period reaches ten percent, or both the average retransmission number and the peak retransmission number in the first period reach ten percent, and the average retransmission number and/or the peak retransmission number in the first period satisfy the preset condition, it is determined that the channel interference detection result is that there is interference, otherwise, no interference exists. Alternatively, the first threshold may be any ratio meeting the design requirement of the system, where the value of the first threshold is merely an example, and the specific value of the first threshold is not limited herein.

When it is determined that there is interference, S34 is performed, and/or when it is determined that there is no interference, S31 is performed, and the network device maintains a state in which the LBT mechanism is not turned on, preferably in which the terminal device does not need to transmit LBT off information to the network device, thereby saving channel resources.

S34, the terminal equipment sends LBT starting information to the network equipment.

When it is determined that the channel interference detection result is that interference exists according to the average retransmission times and/or the peak retransmission times, the terminal device may send LBT start information to the network device, and instruct the network device to start an LBT mechanism.

Alternatively, the LBT-on information may be carried by UCI information. For example, the terminal device may transmit UCI information including the LBT on information to the network device.

S35, the network device turns on the LBT mechanism.

After receiving the LBT start information sent by the terminal device, the network device may start the LBT mechanism according to the LBT start information. After the LBT mechanism is started, before the network device sends data to the terminal device, the network device first needs to perform RTS/CTS handshake with the terminal device, and after the handshake is successful, the data is transmitted.

If the terminal device carries the LBT start information through UCI information, the network device first receives the UCI information from the terminal device and then acquires the LBT start information according to the UCI information.

S36, the terminal equipment acquires SINR of the reference signal in the second period.

When the network device is in the LBT mechanism on state, the channel interference between the network device and the terminal device may disappear after a period of time, and if the network device needs to perform RTS/CTS handshake every time before transmitting data to the terminal device, the signaling overhead of the system is too large.

In this case, the terminal device may acquire the SINR of the reference signal within a second period, optionally, the second period being a period before the network device transmits data to the terminal device. And obtaining a channel interference detection result according to the SINR of the reference signal in the second period.

Alternatively, when the SINR of the reference signal in the second period is greater, for example, greater than or equal to the second threshold, it indicates that the signal noise in the reference signal in the second period is smaller, and at this time, the channel interference between the network device and the terminal device may be considered smaller; conversely, when the SINR of the reference signal in the second period is smaller, for example, smaller than the second threshold, it indicates that the signal noise in the reference signal in the second period is larger, and the channel interference between the network device and the terminal device may be considered to be larger.

Alternatively, the second threshold may be 20dB. Or any value that meets the design requirements of the system, and is not limited herein.

S37, the terminal equipment judges whether the channel interference detection result has interference according to the SINR of the reference signal in the second period, if so, the S35 is executed, and/or if not, the S38 is executed.

After the SINR of the reference signal in the second period is acquired, a channel interference detection result is determined, and different operations are determined according to the channel interference detection result.

When it is determined that there is interference, S35 is performed, that is, the network device still maintains the state of turning on the LBT mechanism, and preferably, the terminal device does not need to send LBT on information to the network device in this situation, so that channel resources are saved. And/or, when it is determined that there is no interference, S38 is performed.

S38, the terminal equipment sends LBT closing information to the network equipment, and jumps to S31.

When the network device is in a state of starting the LBT mechanism, if channel interference exists between the network device and the terminal device, the terminal device sends LBT closing information to the network device, and instructs the network device to close the LBT mechanism.

Alternatively, the LBT close information may be carried through UCI information. For example, the terminal device may transmit UCI information including the LBT close information to the network device.

After the network device turns off the LBT mechanism according to the LBT off information, S31 is performed, and the network device maintains a state of turning off the LBT mechanism.

Fig. 4 is a signaling diagram two of an LBT control method according to an embodiment of the present application, as shown in fig. 4, including:

s41, the terminal equipment acquires a timer state.

The method illustrated in fig. 4 is also used in situations where the network device needs to transmit data to the terminal device. The timer state comprises a timeout state and an un-timeout state, and the channel interference detection result is that interference exists and interference does not exist.

And the terminal equipment runs the timer according to the configured timer duration, and acquires the timer state again. Optionally, when the timer is in operation, the timer state is an un-timeout state, otherwise, the timer state is a timeout state.

Alternatively, the timer duration may be configured by RRC signaling. Optionally, the RRC signaling may be a system message, or may be an RRC signaling in the interaction of the network-resident flow signaling, or may be an RRC signaling interacted in the process of reestablishing the connection.

Alternatively, the timer duration may be configured by the MAC CE, i.e. indicated by the MAC CE.

Alternatively, the timer duration may be configured by DCI information.

And S42, the terminal equipment sends LBT control information to the network equipment according to the timer state and the channel interference detection result, wherein the channel interference detection result is used for indicating whether channel transmission between the terminal equipment and the network equipment is interfered or not, and the LBT control information is used for controlling the opening or closing of an LBT mechanism of the network equipment.

Optionally, before transmitting the LBT control information to the network device according to the timer state and the channel interference detection result, the terminal device needs to acquire the channel interference detection result.

Alternatively, the state of the LBT mechanism of the network device may be obtained, and the channel interference detection result may be obtained according to the state of the LBT mechanism.

If the LBT mechanism is started before the network equipment transmits the data to the terminal equipment, the network equipment can be determined that the surrounding is not interfered when the network equipment transmits the data to the terminal equipment, and the normal transmission of the data is ensured. However, if the LBT mechanism is turned on before each data transmission, the signaling overhead of the system is greatly increased.

Therefore, the terminal device may send LBT control information to the network device according to the timer status and the channel interference detection result with the network device, for controlling the on or off of the LBT mechanism of the network device.

Optionally, the sequence of the timer state and the acquisition of the channel interference detection result includes at least one of the following: firstly, acquiring the state of the timer, and then acquiring the channel interference detection result; firstly, acquiring the channel interference detection result, and then acquiring the state of the timer; and simultaneously acquiring the timer state and the channel interference detection result.

Alternatively, the terminal device may carry the LBT control information through UCI information, that is, the terminal device may send UCI information to the network device, where the UCI information includes the LBT control information.

S43, the network equipment acquires LBT control information from the terminal equipment.

And S44, the network equipment controls the on or off of an LBT mechanism of the network equipment according to the LBT control information.

After the terminal device transmits the LBT control information to the network device, the network device may receive the LBT control information and control on or off of an LBT mechanism of the network device according to the LBT control information. Optionally, when the timer is in a timeout state and the channel interference detection result indicates that there is no interference or little interference in channel transmission between the terminal device and the network device, the LBT control information is LBT closing information, which is used for controlling closing of an LBT mechanism of the network device; when the timer is in a timeout state and the channel interference detection result indicates that the channel transmission between the terminal equipment and the network equipment has interference or the interference is obvious, the LBT control information is LBT starting information and is used for controlling the starting of an LBT mechanism of the network equipment.

Optionally, when the network device is in the state of not starting the LBT mechanism, the terminal device may acquire an average retransmission number and/or a peak retransmission number when the network device transmits data to the terminal device in a first period, where optionally, the first period is a period in which transmission parameters between the terminal device and the network device are unchanged.

When it is determined that interference exists, the terminal device transmits LBT on information to the network device. When it is determined that there is no interference, the network device keeps a state of not turning on the LBT mechanism, and preferably, the terminal device does not need to send LBT off information to the network device in this situation, so that channel resources are saved.

When it is determined that there is interference, the network device still keeps the state of turning on the LBT mechanism, and preferably, the terminal device does not need to send LBT turning on information to the network device in this situation, so that channel resources are saved. And/or when the interference is determined to be absent, the terminal device sends LBT closing information to the network device.

The embodiments shown in fig. 2 to fig. 4 are methods for controlling the LBT mechanism when downlink data transmission is required, and methods for controlling the LBT mechanism when uplink data transmission is required will be described.

Fig. 5 is a signaling diagram three of an LBT control method according to an embodiment of the present application, as shown in fig. 5, including:

s51, the network equipment acquires a channel interference detection result, wherein the channel interference detection result is used for indicating whether channel transmission between the terminal equipment and the network equipment has interference.

The method illustrated in fig. 5 is used in situations where the terminal device needs to transmit data to the network device. If the LBT mechanism is started before the terminal equipment transmits the data to the network equipment, the situation that the surrounding is not interfered when the terminal equipment transmits the data to the network equipment can be determined, and the normal transmission of the data is ensured. However, if the LBT mechanism is turned on before each data transmission, the signaling overhead of the system is greatly increased.

Based on the above, the network device may obtain a channel interference detection result between the network device and the terminal device, where the channel interference detection result is used to indicate whether there is interference in channel transmission between the terminal device and the network device, and the channel interference detection result may be that there is interference or no interference, or a certain interference parameter may be set, so as to determine the channel interference detection result according to the interference parameter.

And S52, the network equipment sends LBT control information to the terminal equipment according to the channel interference detection result, wherein the LBT control information is used for controlling the opening or closing of an LBT mechanism of the terminal equipment.

If the channel interference detection result indicates that the channel transmission between the terminal equipment and the network equipment is not interfered or the interference is small, the possibility that the terminal equipment is interfered by the surrounding is less when the terminal equipment transmits data to the network equipment is indicated; on the contrary, if the channel interference detection result indicates that there is interference in channel transmission between the terminal device and the network device, or the interference is more obvious, it indicates that the possibility that the terminal device is interfered by the surrounding when transmitting data to the network device is higher.

According to the channel interference detection result, the network device may send LBT control information to the terminal device, for controlling on or off of an LBT mechanism of the terminal device.

S53, the terminal equipment acquires LBT control information from the network equipment.

And S54, the terminal equipment controls the starting or closing of the LBT mechanism of the terminal equipment according to the LBT control information.

After the network device transmits the LBT control information to the terminal device, the terminal device may receive the LBT control information and control the on or off of the LBT mechanism of the terminal device according to the LBT control information. Optionally, when the channel interference detection result indicates that there is no interference or little interference in channel transmission between the terminal device and the network device, the LBT control information controls closing of an LBT mechanism of the terminal device; when the channel interference detection result indicates that the channel transmission between the terminal equipment and the network equipment has interference or the interference is obvious, the LBT control information controls the starting of an LBT mechanism of the terminal equipment.

The control method of LBT provided by the embodiment of the application comprises the steps that firstly, network equipment obtains a channel interference detection result between the network equipment and terminal equipment, and the channel interference detection result is used for indicating whether channel transmission between the terminal equipment and the network equipment has interference or not; then, the network device sends LBT control information to the terminal device according to the channel interference detection result, and the terminal device can control the turn-on or turn-off of the LBT mechanism of the terminal device according to the LBT control information. According to the scheme of the embodiment of the application, the starting and the closing of the LBT mechanism of the terminal equipment are flexibly controlled through the channel interference detection result between the terminal equipment and the network equipment, the LBT mechanism can be started when the interference exists so as to ensure the correct transmission of uplink data, and the LBT mechanism is closed when the interference does not exist so as to reduce the signaling overhead of the system.

Fig. 6 is a second flowchart of an LBT control method according to an embodiment of the present application, as shown in fig. 6, including:

s61, the terminal equipment does not start the LBT mechanism.

In the initial stage, the terminal equipment does not start the LBT mechanism, and does not start the LBT mechanism when the LBT start information sent by the network equipment is not received.

S62, the network equipment acquires average retransmission times and/or peak retransmission times when the terminal equipment transmits data to the network equipment in a first period.

When the terminal device is in the state of not starting the LBT mechanism, the network device may acquire the average retransmission times and/or peak retransmission when the terminal device transmits data to the network device in a first period, and optionally, the first period is a period in which transmission parameters between the terminal device and the network device are unchanged.

And S63, the network equipment judges whether the channel interference detection result has interference according to the average retransmission times and/or the peak retransmission times, if so, the S64 is executed, and/or if not, the S61 is executed.

Optionally, the preset condition may be that the average retransmission number and/or the peak retransmission number in the first period is greater than or equal to the first threshold. When the average retransmission times and/or the peak retransmission times in the first period are greater than or equal to a first threshold, the fact that the retransmission times are greater when the terminal equipment transmits data to the network equipment before the retransmission times are greater is indicated, and the possibility that the retransmission times are greater is caused by channel interference between the network equipment and the terminal equipment, so that when the average retransmission times and/or the peak retransmission times in the first period are greater than or equal to the first threshold, the channel interference detection result is considered to be interference, otherwise, the channel interference detection result is considered to be interference.

When it is determined that there is interference, S64 is performed, and/or when it is determined that there is no interference, S61 is performed, and the terminal device maintains a state of not turning on the LBT mechanism.

S64, the network equipment sends LBT starting information to the terminal equipment.

When it is determined that the channel interference detection result is that interference exists according to the average retransmission times and/or the peak retransmission times, the network device may send LBT starting information to the terminal device, and instruct the terminal device to start an LBT mechanism.

Alternatively, the LBT-on information may be carried by UCI information. For example, the network device may transmit UCI information including the LBT on information to the terminal device.

S65, the terminal equipment starts an LBT mechanism.

After receiving the LBT start information sent by the network device, the terminal device may start the LBT mechanism according to the LBT start information. After the LBT mechanism is started, before the terminal device sends data to the network device, the terminal device needs to perform RTS/CTS handshake with the network device, and after the handshake is successful, the terminal device can transmit the data.

If the network device carries the LBT start information through UCI information, the terminal device first receives the UCI information from the network device and then acquires the LBT start information according to the UCI information.

And S66, the network equipment acquires SINR of the reference signal in the second period.

When the terminal device is in the LBT mechanism on state, the channel interference between the network device and the terminal device may disappear after a period of time, and if the terminal device needs to perform RTS/CTS handshake every time before transmitting data to the network device, the signaling overhead of the system is too large.

In this case, the network device may acquire the SINR of the reference signal within the second period, optionally, the second period being a period before the terminal device transmits data to the network device. And obtaining a channel interference detection result according to the SINR of the reference signal in the second period.

S67, the network equipment judges whether the channel interference detection result has interference according to the SINR of the reference signal in the second period, if so, the S65 is executed, and/or if not, the S68 is executed.

When it is determined that there is interference, S65 is performed, i.e., the network device still maintains the state of turning on the LBT mechanism. And/or, when it is determined that there is no interference, S68 is performed.

S68, the network device sends LBT closing information to the terminal device, and jumps to S61.

When the terminal equipment is in a state of starting the LBT mechanism, if channel interference exists between the network equipment and the terminal equipment, the network equipment sends LBT closing information to the terminal equipment, and the terminal equipment is indicated to close the LBT mechanism.

Alternatively, the LBT close information may be carried through UCI information. For example, the network device may transmit UCI information including the LBT close information to the terminal device.

After the terminal device turns off the LBT mechanism according to the LBT off information, S61 is performed, and the terminal device maintains a state of turning off the LBT mechanism.

Fig. 7 is a signaling diagram four of an LBT control method according to an embodiment of the present application, as shown in fig. 7, including:

s71, the network device acquires the timer status.

The method illustrated in fig. 7 is also used in situations where the terminal device needs to transmit data to the network device. The timer state comprises a timeout state and an un-timeout state, and the channel interference detection result is that interference exists and interference does not exist.

The network device runs the timer according to the configured time length of the timer, and the network device acquires the running state of the timer again. Optionally, when the timer is in operation, the timer state is an un-timeout state, otherwise, the timer state is a timeout state.

Alternatively, the timer duration may be configured by RRC signaling. Optionally, the RRC signaling may be a system message, or may be an RRC signaling in a network residence procedure signaling interaction, or may be an RRC signaling interacted by a connection reestablishment procedure.

Alternatively, the timer duration may be configured by DCI information.

And S72, the network equipment sends LBT control information to the terminal equipment according to the timer state and the channel interference detection result, wherein the channel interference detection result is used for indicating whether channel transmission between the terminal equipment and the network equipment is interfered or not, and the LBT control information is used for controlling the opening or closing of an LBT mechanism of the terminal equipment.

Optionally, the network device also needs to acquire the channel interference detection result before transmitting the LBT control information to the network device according to the timer status and the channel interference detection result.

Alternatively, the state of the LBT mechanism of the terminal device may be obtained, and the channel interference detection result may be obtained according to the state of the LBT mechanism.

If the LBT mechanism is started before the terminal equipment transmits the data to the network equipment, the situation that the surrounding is not interfered when the terminal equipment transmits the data to the network equipment can be determined, and the normal transmission of the data is ensured. However, if the LBT mechanism is turned on before each data transmission, the signaling overhead of the system is greatly increased.

Therefore, the network device may send LBT control information to the terminal device according to the timer status and the channel interference detection result with the terminal device, for controlling the turn-on or turn-off of the LBT mechanism of the terminal device.

S73, the terminal equipment acquires LBT control information from the network equipment.

And S74, the terminal equipment controls the starting or closing of the LBT mechanism of the terminal equipment according to the LBT control information.

After the network device transmits the LBT control information to the terminal device, the terminal device may receive the LBT control information and control the on or off of the LBT mechanism of the terminal device according to the LBT control information. Optionally, when the timer is in a timeout state and the channel interference detection result indicates that there is no interference or little interference in channel transmission between the terminal device and the network device, the LBT control information is LBT closing information, which is used for controlling closing of an LBT mechanism of the terminal device; when the timer is in a timeout state and the channel interference detection result indicates that the channel transmission between the terminal equipment and the network equipment has interference or the interference is obvious, the LBT control information is LBT starting information used for controlling the starting of an LBT mechanism of the terminal equipment.

Optionally, when the terminal device is in the state of not starting the LBT mechanism, the network device may acquire an average retransmission number and/or a peak retransmission number when the terminal device transmits data to the network device in a first period, where the first period is optionally a period in which transmission parameters between the terminal device and the network device are unchanged.

When it is determined that interference exists, the network device transmits LBT on information to the terminal device. When it is determined that there is no interference, the terminal device keeps a state of not turning on the LBT mechanism, and preferably, the network device does not need to send LBT off information to the terminal device in this situation, so that channel resources are saved.

When it is determined that there is interference, the terminal device still keeps the state of turning on the LBT mechanism, and preferably, the network device does not need to send LBT turning on information to the terminal device in this situation, so that channel resources are saved. And/or when the interference is determined to be absent, the network equipment sends LBT closing information to the terminal equipment.

The following describes aspects of the application in connection with specific examples.

Fig. 8 is a schematic diagram of data transmission provided in the embodiment of the present application, as shown in fig. 8, including a terminal device 81 and two APs, where the two APs are a transmission receiving point (transmit receive point, referred to as TRP)/antenna panel (panel) 82 and a WIFI wireless Access Point (AP) 83, respectively.

Even if the TRP/panel 82 and the WIFI AP83 are closely spaced, communication between the TRP/panel 82 and the terminal device 81 can be performed by a narrow beam. At this time, although the WIFI AP83 exists around the TRP/panel 82, since the coverage of the narrow beam between the TRP/panel 82 and the terminal device 81 is small, the channel transmission between the TRP/panel 82 and the terminal device 81 is highly likely not to be affected by the WIFI AP 83.

At this time, if data transmission is required between the TRP/panel 82 and the terminal device 81, the LBT mechanism may be turned off to directly perform data transmission, so as to save signaling overhead of the system.

Fig. 9 is a second data transmission schematic diagram provided in the embodiment of the present application, as shown in fig. 9, including a terminal device 91, a terminal device 92, and two APs, which are TRP/panel93 and WIFI AP 94, respectively.

In fig. 9, terminal device 91 and TRP/panel93 are communicating over narrow beam 901, terminal device 92 and WIFI AP 94 are communicating over narrow beam 902, and terminal device 92 moves between terminal device 91 and TRP/panel 93.

At this time, the two systems interfere with each other. After the terminal device 92 stays between the terminal device 91 and the TRP/panel93 for a certain period of time, the terminal device 91 can monitor that channel interference exists between the terminal device 91 and the TRP/panel93, so that LBT on information can be transmitted to the TRP/panel 93. The TRP/panel93 turns on the LBT mechanism according to the LBT turn-on information, thereby realizing interference-free communication between the two systems.

When the terminal device 92 moves to be not located between the terminal device 91 and the TRP/panel93, the terminal device 91 detects that there is no channel interference between the terminal device 91 and the TRP/panel93 for a period of time. At this time, the terminal device 91 may transmit LBT off information to the TRP/panel 93. TRP/panel93 turns off the LBT mechanism according to the LBT turn off information.

The scheme of the embodiment of the application can flexibly control the on or off of the LBT mechanism by detecting the channel interference result between the terminal equipment and the network equipment. And when channel interference exists between the terminal equipment and the network equipment, starting an LBT mechanism to ensure interference-free transmission of data. When no interference exists between the terminal equipment and the network equipment, the LBT mechanism is closed to reduce the signaling overhead of the system.

Fig. 10 is a schematic structural diagram of an LBT control device according to an embodiment of the present application, as shown in fig. 10, the LBT control device 100 includes:

an obtaining module 101, configured to obtain a channel interference detection result, where the channel interference detection result is used to indicate whether channel transmission between a terminal device and a network device has interference;

and a sending module 102, configured to send LBT control information to the network device according to the channel interference detection result, where the LBT control information is used to control on or off of an LBT mechanism of the network device.

Optionally, the sending module 102 is specifically configured to:

Optionally, the acquiring module 101 is specifically configured to:

acquiring the state of an LBT mechanism of the network equipment;

Optionally, when the state of the LBT mechanism is an off state, the obtaining module 81 is specifically configured to:

Optionally, when the state of the LBT mechanism is an on state, the acquiring module 101 is specifically configured to:

And acquiring the channel interference detection result according to the SINR.

The device provided by the embodiment of the application can be used for executing the technical scheme of the embodiment of the method, and the implementation principle and the technical effect are similar, and are not repeated here.

Fig. 11 is a schematic diagram ii of a structure of an LBT control device according to an embodiment of the present application, as shown in fig. 11, the LBT control device 110 includes:

an acquisition module 111 that acquires a timer state;

and a sending module 112, configured to send LBT control information to a network device according to the timer status and a channel interference detection result, where optionally the channel interference detection result is used to indicate whether channel transmission between the terminal device and the network device has interference, and the LBT control information is used to control opening or closing of an LBT mechanism of the network device.

Optionally, the obtaining module 111 is specifically configured to:

Optionally, before transmitting LBT control information to the network device according to the timer status and the channel interference detection result, the obtaining module 111 is further configured to:

and obtaining a channel interference detection result.

Optionally, the obtaining module 111 is specifically further configured to:

acquiring the state of an LBT mechanism of the network equipment;

Optionally, the obtaining module 111 is specifically further configured to:

Fig. 12 is a schematic diagram III of a structure of an LBT control device according to an embodiment of the present application, as shown in fig. 12, the LBT control device 120 includes:

an obtaining module 121, configured to obtain a channel interference detection result, where the channel interference detection result is used to indicate whether channel transmission between a network device and a terminal device has interference;

and a sending module 122, configured to send LBT control information to the terminal device according to the channel interference detection result, where the LBT control information is used to control on or off of an LBT mechanism of the terminal device.

Optionally, the sending module 122 is specifically configured to:

Optionally, the acquiring module 121 is specifically configured to:

acquiring the state of an LBT mechanism of the terminal equipment;

Optionally, when the state of the LBT mechanism is an off state, the acquiring module 121 is specifically configured to:

Optionally, when the state of the LBT mechanism is an on state, the acquiring module 121 is specifically configured to:

and acquiring the channel interference detection result according to the SINR.

Fig. 13 is a schematic structural diagram four of an LBT control device according to an embodiment of the present application, as shown in fig. 13, the LBT control device 130 includes:

an obtaining module 131, configured to obtain a timer state;

and a sending module 132, configured to send LBT control information to a terminal device according to the timer status and a channel interference detection result, where optionally, the channel interference detection result is used to indicate whether there is interference in channel transmission between the terminal device and the network device, and the LBT control information is used to control opening or closing of an LBT mechanism of the terminal device.

Optionally, the obtaining module 131 is specifically configured to:

Optionally, before transmitting LBT control information to the terminal device according to the timer status and the channel interference detection result, the obtaining module 131 is further configured to:

and obtaining a channel interference detection result.

Optionally, the obtaining module 131 is specifically further configured to:

acquiring the state of an LBT mechanism of the terminal equipment;

Optionally, the obtaining module 131 is specifically further configured to:

Fig. 14 is a schematic diagram of a LBT control device according to an embodiment of the present application, as shown in fig. 14, the LBT control device 140 includes:

an obtaining module 141, configured to obtain LBT control information from a network device;

and a processing module 142, configured to control on or off of an LBT mechanism of the terminal device according to the LBT control information.

Optionally, the acquiring module 141 is specifically configured to:

acquiring UCI information from the network equipment;

and acquiring the LBT control information according to the UCI information.

Fig. 15 is a sixth schematic structural diagram of an LBT control device according to an embodiment of the present application, as shown in fig. 15, the LBT control device 150 includes:

An obtaining module 151, configured to obtain LBT control information from a terminal device;

and a processing module 152, configured to control on or off of an LBT mechanism of the network device according to the LBT control information.

Optionally, the acquiring module 151 is specifically configured to:

acquiring UCI information from the terminal equipment;

and acquiring the LBT control information according to the UCI information.

Fig. 16 is a schematic hardware structure of a communication device according to an embodiment of the present application. The communication apparatus of the present embodiment includes: a processor 161 and a memory 162;

a memory 162 for storing a computer program;

the processor 161 is configured to execute a computer program stored in the memory to implement the steps performed by the network device in the above embodiment, or to implement the steps performed by the terminal device in the above embodiment. Reference may be made in particular to the relevant description of the embodiments of the method described above.

Alternatively, the memory 162 may be external to the processor 161 or to the network device, or may be internal to the processor 161 or the communication device. The memory 162 may be a physically independent unit, or may be a storage space on a cloud server, a network hard disk, or the like.

When the memory 162 is a device separate from the processor 161, the communication device may further include: a bus 163 for connecting the memory 162 and the processor 161.

The bus 163 can be an industry standard architecture (Industry Standard Architecture, ISA) bus, an external device interconnect (Peripheral Component, PCI) bus, or an extended industry standard architecture (Extended Industry Standard Architecture, EISA) bus, among others. The buses may be divided into address buses, data buses, control buses, etc. For ease of illustration, the buses in the drawings of the present application are not limited to only one bus or to one type of bus.

In addition, the processor 161 may be a central processing unit, a general purpose processor, a digital signal processor (English: digital Signal Processor; DSP), an application specific integrated circuit (English: application Specific Integrated Circuit; ASIC), a field programmable gate array or other programmable logic device, a transistor logic device, a hardware component, or any combination thereof. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the present application may be embodied directly in a hardware processor for execution, or in a combination of hardware and software modules in a processor for execution. Which may implement or perform the various exemplary logic blocks, modules and circuits described in connection with this disclosure.

The processor may also be a combination that performs the function of a computation, e.g., a combination comprising one or more microprocessors, a combination of a digital signal processor and a microprocessor, etc. In addition, the memory 142 may include: volatile memory (RAM), such as random-access memory (RAM); the memory may also include a nonvolatile memory (non-volatile memory), such as a flash memory (flash memory), a hard disk (HDD) or a Solid State Drive (SSD), a cloud storage (cloud storage), a network attached storage (NAS: network attached Storage), a network drive (network drive), or the like; the memory may also include a combination of the above types of memories or other media or products of any form having memory functionality.

The communication device provided in this embodiment may be used to execute the method executed by the network device or the terminal in the foregoing embodiment, and its implementation principle and technical effects are similar, which is not described herein again.

Embodiments of the present application also provide a storage medium comprising a computer program for implementing the method as described in the various possible embodiments above.

Embodiments of the present application also provide a computer program product comprising computer program code which, when run on a computer, causes the computer to perform the method as described in the various possible embodiments above.

The embodiment of the application also provides a chip, which comprises a memory and a processor, wherein the memory is used for storing a computer program, and the processor is used for calling and running the computer program from the memory, so that a communication device provided with the chip executes the method in various possible implementation modes.

The embodiment of the application also provides a communication system which comprises the network equipment and the terminal equipment in the embodiment.

In the several embodiments provided by the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the modules is merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple modules may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or modules, which may be in electrical, mechanical, or other forms.

The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical units, may be located in one place, or may be distributed over multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional module in the embodiments of the present application may be integrated in one processing unit, or each module may exist alone physically, or two or more modules may be integrated in one unit. The units formed by the modules can be realized in a form of hardware or a form of hardware and software functional units.

The integrated modules, which are implemented in the form of software functional modules, may be stored in a computer readable storage medium. The software functional module is stored in a storage medium, and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (english: processor) to perform some of the steps of the methods according to the embodiments of the application.

The storage medium may be implemented by any type or combination of volatile or nonvolatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.

An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an application specific integrated circuit (Application Specific Integrated Circuits, ASIC for short). The processor and the storage medium may reside as discrete components in a device.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the element defined by the phrase "comprising one … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element, and furthermore, elements having the same name in different embodiments of the application may have the same meaning or may have different meanings, the particular meaning of which is to be determined by its interpretation in this particular embodiment or by further combining the context of this particular embodiment.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope herein. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context. Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including" specify the presence of stated features, steps, operations, elements, components, items, categories, and/or groups, but do not preclude the presence, presence or addition of one or more other features, steps, operations, elements, components, items, categories, and/or groups. The terms "or", "and/or", "including at least one of", and the like, as used herein, may be construed as inclusive, or mean any one or any combination. For example, "including at least one of: A. b, C "means" any one of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; a and B and C ", again as examples," A, B or C "or" A, B and/or C "means" any of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; a and B and C). An exception to this definition will occur only when a combination of elements, functions, steps or operations are in some way inherently mutually exclusive.

It should be understood that, although the steps in the flowcharts in the embodiments of the present application are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited in order and may be performed in other orders, unless explicitly stated herein. Moreover, at least some of the steps in the figures may include multiple sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, the order of their execution not necessarily occurring in sequence, but may be performed alternately or alternately with other steps or at least a portion of the other steps or stages.

The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrase "if determined" or "if detected (stated condition or event)" may be interpreted as "when determined" or "in response to determination" or "when detected (stated condition or event)" or "in response to detection (stated condition or event), depending on the context.

It should be noted that, in this document, step numbers such as S21 and S22 are adopted, and the purpose of the present application is to more clearly and briefly describe the corresponding content, and not to constitute a substantial limitation on the sequence, and those skilled in the art may execute S22 first and then S21 in the implementation, which are all within the scope of the present application.

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

In the following description, suffixes such as "module", "part" or "unit" for representing elements are used only for facilitating the description of the present application, and have no specific meaning per se. Thus, "module," "component," or "unit" may be used in combination.

The terminal device may be implemented in various forms. For example, the terminal devices described in the present application may include mobile terminals such as cell phones, tablet computers, notebook computers, palm computers, personal digital assistants (Personal Digital Assistant, PDA), portable media players (Portable Media Player, PMP), navigation devices, wearable devices, smart bracelets, pedometers, and fixed terminals such as digital TVs, desktop computers, and the like.

The description will be given herein taking a mobile terminal as an example, and those skilled in the art will understand that the configuration according to the embodiment of the present application can be applied to a fixed type terminal in addition to elements particularly used for a moving purpose.

Referring to fig. 17, which is a schematic diagram illustrating a hardware structure of a mobile terminal for implementing various embodiments of the present application, the mobile terminal 170 may include: an RF (Radio Frequency) unit 171, a WiFi module 172, an audio output unit 173, an a/V (audio/video) input unit 174, a sensor 175, a display unit 176, a user input unit 177, an interface unit 178, a memory 179, a processor 1730, and a power source 1731. It will be appreciated by those skilled in the art that the mobile terminal structure shown in fig. 17 is not limiting of the mobile terminal and that the mobile terminal may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.

The following describes the components of the mobile terminal in detail with reference to fig. 17:

the radio frequency unit 171 may be used for receiving and transmitting information or signals during a call, specifically, receiving downlink information of a base station, and then processing the downlink information by the processor 1730; and, the uplink data is transmitted to the base station. Typically, the radio frequency unit 171 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 171 may also communicate with networks and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication, global System for Mobile communications), GPRS (General Packet Radio Service ), CDMA2000 (Code Division Multiple Access, CDMA 2000), WCDMA (Wideband Code Division Multiple Access ), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, time Division synchronous code Division multiple Access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution, frequency Division Duplex Long term evolution), and TDD-LTE (Time Division Duplexing-Long Term Evolution, time Division Duplex Long term evolution), etc.

WiFi belongs to a short-distance wireless transmission technology, and the mobile terminal can help a user to send and receive e-mails, browse web pages, access streaming media and the like through the WiFi module 172, so that wireless broadband Internet access is provided for the user. Although fig. 17 shows a WiFi module 172, it is understood that it does not belong to the necessary constitution of the mobile terminal, and can be omitted entirely as needed within the scope of not changing the essence of the invention.

The audio output unit 173 may convert audio data received by the radio frequency unit 171 or the WiFi module 172 or stored in the memory 179 into an audio signal and output as sound when the mobile terminal 170 is in a call signal reception mode, a talk mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 173 may also provide audio output (e.g., a call signal reception sound, a message reception sound, etc.) related to a specific function performed by the mobile terminal 170. The audio output unit 173 may include a speaker, a buzzer, and the like.

The a/V input unit 174 is for receiving an audio or video signal. The a/V input unit 174 may include a graphics processor (Graphics Processing Unit, GPU) 1741 and a microphone 1742, and the graphics processor 1730 processes image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 176. The image frames processed by the graphics processor 1741 may be stored in the memory 179 (or other storage medium) or transmitted via the radio frequency unit 171 or the WiFi module 172. The microphone 1742 may receive sound (audio data) via the microphone 1742 in a phone call mode, a recording mode, a voice recognition mode, and the like operation mode, and can process such sound into audio data. The processed audio (voice) data may be converted into a format output that can be transmitted to the mobile communication base station via the radio frequency unit 171 in the case of a telephone call mode. Microphone 1742 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated during the reception and transmission of audio signals.

The mobile terminal 170 also includes at least one sensor 175, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that optionally adjusts the brightness of the display panel 1761 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 1761 and/or backlight when the mobile terminal 170 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the acceleration in all directions (generally three axes), and can detect the gravity and direction when stationary, and can be used for applications of recognizing the gesture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and knocking), and the like; as for other sensors such as fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc. that may also be configured in the mobile phone, the detailed description thereof will be omitted.

The display unit 176 is used to display information input by a user or information provided to the user. The display unit 176 may include a display panel 1761, and the display panel 1761 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 177 may be used to receive input numerical or character information and to generate key signal inputs related to user settings and function control of the mobile terminal. In particular, the user input unit 177 may include a touch panel 1771 and other input devices 1772. The touch panel 1771, also referred to as a touch screen, may collect touch operations thereon or thereabout by a user (e.g., operations of the user on the touch panel 1771 or thereabout using any suitable object or accessory such as a finger, stylus, etc.), and actuate the corresponding connection device according to a predetermined program. The touch panel 1771 may include two parts, a touch detection device and a touch controller. Optionally, the touch detection device detects the touch azimuth of the user, detects a signal brought by touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device and converts it into touch point coordinates, which are then sent to the processor 1730, and can receive commands from the processor 1730 and execute them. In addition, the touch panel 1771 may be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 177 may include other input devices 1772 in addition to the touch panel 1771. In particular, other input devices 1772 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, mouse, joystick, etc., as specifically not limited herein.

Optionally, the touch panel 1771 may overlay the display panel 1761, and upon detection of a touch operation thereon or thereabout by the touch panel 1771, the touch panel is transferred to the processor 1730 to determine the type of touch event, and the processor 1730 then provides a corresponding visual output on the display panel 1761 based on the type of touch event. Although in fig. 17, the touch panel 1771 and the display panel 1761 are implemented as two separate components for implementing the input and output functions of the mobile terminal, in some embodiments, the touch panel 1771 may be integrated with the display panel 1761 to implement the input and output functions of the mobile terminal, which is not limited herein.

The interface unit 178 serves as an interface through which at least one external device is connected with the mobile terminal 170. For example, the external devices may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 178 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the mobile terminal 170 or may be used to transmit data between the mobile terminal 170 and an external device.

Memory 179 may be used to store software programs as well as various data. The memory 179 may mainly include a storage program area and a storage data area, and alternatively, the storage program area may store an operating system, an application program required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, memory 179 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

Processor 1730 is a control center of the mobile terminal and connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by running or executing software programs and/or modules stored in memory 179 and invoking data stored in memory 179, thereby performing overall monitoring of the mobile terminal. Processor 1730 may include one or more processing units; preferably, processor 1730 may integrate an application processor with a modem processor, the application processor optionally handling primarily an operating system, user interface, application programs, etc., the modem processor handling primarily wireless communications. It is to be appreciated that the modem processor described above may not be integrated into processor 1730.

The mobile terminal 170 may also include a power supply 1731 (e.g., a battery) for powering the various components, and preferably, the power supply 1731 may be logically connected to the processor 1730 via a power management system so as to implement charge, discharge, and power consumption management functions via the power management system.

Although not shown in fig. 17, the mobile terminal 170 may further include a bluetooth module or the like, which is not described herein.

In order to facilitate understanding of the embodiments of the present application, a communication network system on which the mobile terminal of the present application is based will be described below.

Referring to fig. 18, fig. 18 is a schematic diagram of a communication network system according to an embodiment of the present application, where the communication network system is an LTE system of a general mobile communication technology, and the LTE system includes a UE (User Equipment) 201, an e-UTRAN (Evolved UMTS Terrestrial Radio Access Network ) 202, an epc (Evolved Packet Core, evolved packet core) 203, and an IP service 204 of an operator, which are sequentially connected in communication.

Specifically, the UE201 may be the terminal 170, which is not described herein.

The E-UTRAN202 includes eNodeB2021 and other eNodeB2022, etc. Alternatively, the eNodeB2021 may connect with other enodebs 2022 over a backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide access for the UE201 to the EPC 203.

EPC203 may include MME (Mobility Management Entity ) 2031, hss (Home Subscriber Server, home subscriber server) 2032, other MMEs 2033, SGW (Serving Gate Way) 2034, pgw (PDN Gate Way) 2035 and PCRF (Policy and Charging Rules Function, policy and tariff function entity) 2036, and so on. Optionally, MME2031 is a control node that handles signaling between UE201 and EPC203, providing bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location registers (not shown) and to hold user specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034 and PGW2035 may provide IP address allocation and other functions for UE201, PCRF2036 is a policy and charging control policy decision point for traffic data flows and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).

IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem ), or other IP services, etc.

Although the LTE system is described above as an example, it should be understood by those skilled in the art that the present application is not limited to LTE systems, but may be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.

For a better understanding of the various embodiments of the present application, reference may be made to the above-described mobile terminal hardware architecture and communication network system.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.

From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) as above, comprising instructions for causing a terminal device (which may be a mobile phone, a computer, a server, a controlled terminal, or a network device, etc.) to perform the method of each embodiment of the present application.

The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the application, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims

An LBT control method, applied to a terminal device, comprising:

obtaining a channel interference detection result, wherein the channel interference detection result is used for indicating whether channel transmission between the terminal equipment and the network equipment has interference or not;

and sending LBT control information to the network equipment according to the channel interference detection result, wherein the LBT control information is used for controlling the starting or closing of an LBT mechanism of the network equipment.
The method of claim 1, wherein transmitting LBT control information to the network device comprises:

and sending UCI information to the network equipment, wherein the UCI information comprises the LBT control information.
The method of claim 1, wherein the LBT control information is LBT on information when the channel interference detection result is that there is interference; and/or the number of the groups of groups,

And when the channel interference detection result is that no interference exists, the LBT control information is LBT closing information.
The method of claim 1, wherein obtaining the channel interference detection result comprises:

acquiring the state of an LBT mechanism of the network equipment;

and acquiring the channel interference detection result according to the state of the LBT mechanism.
The method according to any one of claims 1 to 4, wherein obtaining the channel interference detection result when the state of the LBT mechanism is an off state comprises:

acquiring average retransmission times and/or peak retransmission times when the network equipment transmits data to the terminal equipment in a first period, wherein the first period is a period in which transmission parameters between the terminal equipment and the network equipment are unchanged;

when the average retransmission times and/or the peak retransmission times meet a preset condition, determining that the channel interference detection result is interference; and/or the number of the groups of groups,

and when the average retransmission times and/or the peak retransmission times do not meet a preset condition, determining that the channel interference detection result is that no interference exists.
The method according to any one of claims 1 to 4, wherein obtaining the channel interference detection result when the state of the LBT mechanism is an on state comprises:

Acquiring SINR of a reference signal in a second period, wherein the second period is a period before the network equipment transmits data to the terminal equipment;

and acquiring the channel interference detection result according to the SINR.
An LBT control method, applied to a terminal device, comprising:

acquiring a timer state;

and sending LBT control information to the network equipment according to the timer state and the channel interference detection result, wherein the channel interference detection result is used for indicating whether channel transmission between the terminal equipment and the network equipment is interfered or not, and the LBT control information is used for controlling the opening or closing of an LBT mechanism of the network equipment.
The method of claim 7 wherein said LBT control information is LBT off information when said channel interference detection result is that there is no interference and said timer state is a timeout state;

and when the channel interference detection result is that interference exists and the timer state is a timeout state, the LBT control information is LBT starting information.
The method of claim 7, wherein obtaining a timer state comprises:

Acquiring the timer state according to the configured timer duration of the RRC signaling; or,

acquiring the timer state according to the timer duration configured by the MAC CE; or,

and acquiring the timer state according to the timer duration configured by the DCI information.
The method according to any of claims 7 to 9, characterized in that before transmitting LBT control information to a network device according to the timer status and channel interference detection result, the method further comprises:

and obtaining a channel interference detection result.
The method of claim 10, wherein obtaining the order of the timer status and the channel interference detection result comprises at least one of:

firstly, acquiring the state of the timer, and then acquiring the channel interference detection result;

firstly, acquiring the channel interference detection result, and then acquiring the state of the timer;

and simultaneously acquiring the timer state and the channel interference detection result.
The method according to claim 10 or 11, wherein obtaining a channel interference detection result comprises:

acquiring the state of an LBT mechanism of the network equipment;

and acquiring the channel interference detection result according to the state of the LBT mechanism.
The method of claim 12, wherein the obtaining the channel interference detection result according to the state of the LBT mechanism comprises at least one of:

when the state of the LBT mechanism is in a closed state, acquiring average retransmission times and/or peak retransmission times when the network equipment transmits data to the terminal equipment in a first period, and determining that the channel interference detection result is interference when the average retransmission times and/or the peak retransmission times meet preset conditions; and/or determining that the channel interference detection result is that no interference exists when the average retransmission times and/or the peak retransmission times do not meet a preset condition; wherein the first period is a period in which transmission parameters between the terminal device and the network device are unchanged;

when the state of the LBT mechanism is in an on state, acquiring SINR of a reference signal in a second period, and acquiring the channel interference detection result according to the SINR; wherein the second period is a period before the network device sends data to the terminal device.
An LBT control method, applied to a network device, comprising:

Obtaining a channel interference detection result, wherein the channel interference detection result is used for indicating whether channel transmission between the network equipment and the terminal equipment has interference or not;

and sending LBT control information to the terminal equipment according to the channel interference detection result, wherein the LBT control information is used for controlling the starting or closing of an LBT mechanism of the terminal equipment.
The method of claim 14, wherein transmitting LBT control information to the terminal device comprises:

and sending UCI information to the terminal equipment, wherein the UCI information comprises the LBT control information.
The method according to claim 14, wherein when the channel interference detection result is that there is interference, the LBT control information is LBT on information; and/or the number of the groups of groups,

and when the channel interference detection result is that no interference exists, the LBT control information is LBT closing information.
The method of claim 14, wherein obtaining the channel interference detection result comprises:

acquiring the state of an LBT mechanism of the terminal equipment;

and acquiring the channel interference detection result according to the state of the LBT mechanism.
The method according to any of the claims 14 to 17, wherein obtaining the channel interference detection result when the state of the LBT mechanism is an off state comprises:

Acquiring average retransmission times and/or peak retransmission times when the terminal equipment transmits data to the network equipment in a first period, wherein the first period is a period in which transmission parameters between the terminal equipment and the network equipment are unchanged;

when the average retransmission times and/or the peak retransmission times meet a preset condition, determining that the channel interference detection result is interference; and/or the number of the groups of groups,

and when the average retransmission times and/or the peak retransmission times do not meet a preset condition, determining that the channel interference detection result is that no interference exists.
The method according to any of the claims 14 to 17, wherein obtaining the channel interference detection result when the state of the LBT mechanism is an on state comprises:

acquiring SINR of a reference signal in a second period, wherein the second period is a period before the terminal equipment transmits data to the network equipment;

and acquiring the channel interference detection result according to the SINR.
An LBT control method, applied to a network device, comprising:

acquiring a timer state;

and sending LBT control information to the terminal equipment according to the timer state and the channel interference detection result, wherein the channel interference detection result is used for indicating whether channel transmission between the terminal equipment and the network equipment is interfered or not, and the LBT control information is used for controlling the opening or closing of an LBT mechanism of the terminal equipment.
The method of claim 20 wherein said LBT control information is LBT off information when said channel interference detection result is that there is no interference and said timer state is a timeout state;

and when the channel interference detection result is that interference exists and the timer state is a timeout state, the LBT control information is LBT starting information.
The method of claim 20, wherein obtaining a timer state comprises:

acquiring the timer state according to the configured timer duration of the RRC signaling; or,

acquiring the timer state according to the timer duration configured by the MAC CE; or,

and acquiring the timer state according to the timer duration configured by the DCI information.
The method according to any one of claims 20 to 22, characterized in that before transmitting LBT control information to a terminal device according to the timer status and channel interference detection result, the method further comprises:

and obtaining a channel interference detection result.
The method of claim 23, wherein obtaining the order of the timer status and the channel interference detection result comprises at least one of:

Firstly, acquiring the state of the timer, and then acquiring the channel interference detection result;

firstly, acquiring the channel interference detection result, and then acquiring the state of the timer;

and simultaneously acquiring the timer state and the channel interference detection result.
The method according to claim 23 or 24, wherein obtaining a channel interference detection result comprises:

acquiring the state of an LBT mechanism of the terminal equipment;

and acquiring the channel interference detection result according to the state of the LBT mechanism.
The method of claim 25, wherein the obtaining the channel interference detection result according to the state of the LBT mechanism comprises at least one of:

when the state of the LBT mechanism is in a closed state, acquiring average retransmission times and/or peak retransmission times when the terminal equipment transmits data to the network equipment in a first period, and determining that the channel interference detection result is interference when the average retransmission times and/or the peak retransmission times meet preset conditions; and/or determining that the channel interference detection result is that no interference exists when the average retransmission times and/or the peak retransmission times do not meet a preset condition; wherein the first period is a period in which transmission parameters between the terminal device and the network device are unchanged;

When the state of the LBT mechanism is in an on state, acquiring SINR of a reference signal in a second period, and acquiring the channel interference detection result according to the SINR; wherein the second period is a period before the terminal device sends data to the network device.
A communication device, comprising: a processor, a memory;

the memory stores computer-executable instructions;

the computer-executable instructions, when executed by the processor, implement the method of any one of claims 1 to 26.
A computer readable storage medium having stored therein computer executable instructions for implementing the method of any of claims 1 to 26 when the computer executable instructions are executed by a processor.
A computer program product comprising a computer program which, when executed by a processor, implements the method of any one of claims 1 to 26.