WO2021169930A1

WO2021169930A1 - Ffp switching method and device for unlicensed frequency band

Info

Publication number: WO2021169930A1
Application number: PCT/CN2021/077369
Authority: WO
Inventors: 姜蕾
Original assignee: 维沃移动通信有限公司
Priority date: 2020-02-25
Filing date: 2021-02-23
Publication date: 2021-09-02
Also published as: CN113382480A; CN113382480B

Abstract

Disclosed in the embodiments of the present application are an FFP switching method and device for an unlicensed frequency band, which are used to solve the problem in which the update period for FFP configuration is long. The method comprises: switching an FFP according to configuration information of a target FFP; and performing channel monitoring and transmission according to the target FFP.

Description

FFP switching method and equipment for unlicensed frequency band

cross reference

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office, the application number is 202010117327.2, and the invention title is "FFP switching method and equipment for unlicensed frequency bands" on February 25, 2020. The entire content of this application is incorporated by reference. In this application.

Technical field

The embodiments of the present application relate to the field of communications, and in particular to a method and device for switching a fixed frame period (Fixed Frame Period, FFP) of an unlicensed frequency band.

Background technique

As an important application scenario in the 5G field, the fifth-generation mobile communication technology (5th-Generation, 5G) New Radio (NR) can use unlicensed frequency bands to transmit data. Unlicensed frequency bands are shared by multiple technologies (RATs). Therefore, unlicensed frequency bands must comply with certain rules when used, such as Listen Before Talk (LBT) and Maximum Channel Occupancy Time (MCOT) Etc. to ensure that all communication nodes can use the resource fairly.

Frame-Based Equipment (FBE) means that the transmission/reception timing of the communication node adopts a periodic structure, and the period is FFP, and the FBE communication node uses the LBT-based channel access mechanism to occupy the channel.

In related technologies, the network device notifies the FFP configuration information of the terminal device through System Information Block-Type 1 (SIB-1) or Radio Resource Control (Radio Resource Control, RRC) signaling. Taking into account the characteristics of SIB-1 and RRC signaling, this method will cause FFP not to be updated for a long time. For some service types, such as Ultra Reliable Low Latency Communications (URLLC); or for some bursty services, using the same FFP configuration for a long time may lead to unsatisfactory service requirements or low efficiency.

Summary of the invention

The embodiment of the present application provides a method and device for switching FFP of an unlicensed frequency band to solve the problem of a long update period of the FFP configuration.

In a first aspect, an FFP switching method for an unlicensed frequency band is provided. The method is applied to a terminal device. The method includes: switching the FFP according to the configuration information of the target FFP; and performing channel sensing and transmission according to the target FFP.

In a second aspect, an FFP switching method for an unlicensed frequency band is provided, the method is applied to a network device, and the method includes: switching the FFP according to the configuration information of the target FFP; and performing channel listening and transmission according to the target FFP.

In a third aspect, a terminal device is provided. The terminal device includes: a switching module, configured to switch the FFP according to configuration information of a target FFP; and a transmission module, configured to perform channel listening and transmission according to the target FFP.

In a fourth aspect, a network device is provided. The network device includes: a switching module, configured to switch FFP according to configuration information of a target FFP; and a transmission module, configured to perform channel listening and transmission according to the target FFP.

In a fifth aspect, a terminal device is provided. The terminal device includes a processor, a memory, and a computer program stored on the memory and running on the processor. When the computer program is executed by the processor, The steps of implementing the FFP switching method of the unlicensed frequency band as described in the first aspect.

In a sixth aspect, a network device is provided. The network device includes a processor, a memory, and a computer program that is stored on the memory and can run on the processor. When the computer program is executed by the processor, The FFP switching method of the unlicensed frequency band as described in the second aspect is realized.

In a seventh aspect, a computer-readable storage medium is provided, and a computer program is stored on the computer-readable storage medium. FFP switching method for unlicensed frequency bands.

In the embodiment of the present application, the terminal device can actively initiate the FFP switching operation according to the priority, frequency, data volume, etc. of the transmission information, which solves the problem of the long update cycle of the FFP configuration in related technologies, and facilitates meeting business needs and improving Resource utilization.

Description of the drawings

The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The exemplary embodiments and descriptions of the application are used to explain the application, and do not constitute an improper limitation of the application. In the attached picture:

Fig. 1 is a schematic flowchart of an FFP switching method for an unlicensed frequency band according to an embodiment of the present application;

Fig. 2 is a schematic diagram of an FFP switching method of an unlicensed frequency band according to an embodiment of the present application;

Fig. 3 is a schematic diagram of an FFP switching method of an unlicensed frequency band according to another embodiment of the present application;

FIG. 4 is a schematic flowchart of an FFP switching method of an unlicensed frequency band according to another embodiment of the present application;

Fig. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present application;

Fig. 6 is a schematic structural diagram of a network device according to an embodiment of the present application;

Fig. 7 is a schematic structural diagram of a terminal device according to another embodiment of the present application;

Fig. 8 is a schematic structural diagram of a network device according to another embodiment of the present application.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be described clearly and completely in conjunction with specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application. The "and/or" in each embodiment of this specification means at least one of the front and back.

It should be understood that the technical solutions of the embodiments of the present application can be applied to various communication systems, such as: Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex ( Time Division Duplex (TDD), Universal Mobile Telecommunication System (UMTS) or Worldwide Interoperability for Microwave Access (WiMAX) communication system, 5G system, or New Radio (NR) System, or the subsequent evolution of the communication system.

In the embodiments of this application, terminal equipment may include, but is not limited to, a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal), a mobile phone (Mobile Telephone), a user equipment (User Equipment, UE), and a mobile phone (handset) And portable equipment (portable equipment), vehicles (vehicle), etc., the terminal equipment can communicate with one or more core networks through a radio access network (Radio Access Network, RAN), for example, the terminal equipment can be a mobile phone (or It is called a "cellular" phone), a computer with wireless communication function, etc. The terminal device can also be a portable, pocket-sized, handheld, built-in computer or a mobile device in a vehicle.

In the embodiments of the present application, a network device is a device deployed in a wireless access network to provide wireless communication functions for terminal devices. The network device may be a base station, and the base station may include various forms of macro base stations, micro base stations, relay stations, and access points. In systems using different wireless access technologies, the names of devices with base station functions may be different. For example, in an LTE network, it is called an evolved NodeB (evolved NodeB, eNB or eNodeB), in a third generation (3rd Generation, 3G) network, it is called a Node B (NodeB), and in a 5G system, it is called a lower node. Generation Node B (gNB), or network equipment in subsequent evolved communication systems, etc., however, the terminology does not constitute a restriction.

As shown in FIG. 1, an embodiment of the present application provides a fixed frame period (FFP) switching method 100 of an unlicensed frequency band. The method can be executed by a terminal device. In other words, the method can be installed on the terminal. The device is executed by software or hardware, and the method includes the following steps.

S102: Switch the FFP according to the configuration information of the target FFP.

In the various embodiments of this specification, the configuration information of the target FFP may only include the length information of the target FFP (ie the switched FFP). In this example, the starting position of the target FFP can be pre-appointed, for example, the starting position of the target FFP Align with the end position of the current FFP. Optionally, the configuration information of the target FFP may also only include the starting position of the target FFP. In this example, the length of the target FFP may be pre-appointed. For example, the network device is pre-configured with multiple FFP lengths, and the length of the target FFP may be the above The first one among the multiple FFP lengths is smaller than the current FFP length, the one with the smallest FFP length, and so on. Optionally, the configuration information of the target FFP may also include the start position of the target FFP and the length of the target FFP.

The start position of the target FFP mentioned above can be an absolute position, which can be determined according to the system frame or system time, for example, the start position of the target FFP is aligned with the start position of the specified system frame; the target FFP The starting position of can also include an offset relative to the reference position. Wherein, the reference position can be the start position, end position of the current FFP, or a common reference position.

S104: Perform channel listening and transmission according to the target FFP.

Optionally, in an embodiment, the network device may pre-configure multiple FFP configuration information for the terminal device, and the configuration information of the target FFP is one of the multiple FFP configuration information. In this way, in S102, the terminal device can directly initiate the FFP switching operation, that is, switch the FFP according to the configuration information of the target FFP, where the configuration information of the target FFP may be different from the FFP configuration information corresponding to the FFP currently in use.

Optionally, the configuration information of the target FFP is obtained by the terminal device according to at least one of the following: priority of transmission information, transmission frequency, and data volume.

In this embodiment, the terminal device may also send configuration information of the target FFP to the network device. Specifically, the terminal device may send the index corresponding to the configuration information of the target FFP (or referred to as the index corresponding to the target FFP) to the network device before switching the FFP to save signaling overhead; or, the terminal device may send the index to the network device before switching the FFP. The network device sends the specific configuration parameters of the target FFP. The target FFP mentioned in the various embodiments of this specification may be a switched FFP.

In this embodiment, the network device may also perform the operation of switching FFP after receiving the configuration information of the target FFP, where the FFP after the terminal device is switched (ie the target FFP) is aligned with the start position of the FFP after the network device is switched , And the length of FFP is equal.

Optionally, in this embodiment, the network device may also send an acknowledgement message (ACK) to the terminal device after receiving the configuration information of the target FFP, and the terminal device may switch the FFP according to the configuration information of the target FFP after receiving the confirmation information. .

Optionally, in another embodiment, before S102, the terminal device may send a handover request message to the network device. The handover request message is used to request to switch the FFP. In this way, the network device can send a handover request message to the network device after receiving the handover request message. The terminal device sends the configuration information of the target FFP, and the terminal device can switch the FFP according to the configuration information of the target FFP. Among them, the network device can also perform the operation of switching the FFP synchronously, where the FFP after the terminal device is switched (that is, the target FFP) is aligned with the start position of the FFP after the network device is switched, and the length of the FFP is equal.

In this example, the handover request message sent by the terminal device to the network device may also include at least one of the following: the priority of the transmission information, the transmission frequency, the amount of data, etc., so that the network device can be based on the priority of the transmission information. Level, transmission frequency, data volume, etc. determine the configuration information of the target FFP and send it to the terminal device.

In the embodiment of this application, the terminal device can actively initiate the FFP switching operation according to the priority, frequency, data volume, etc. of the transmission information, which solves the problem of the long update cycle of the FFP configuration in the related technology, which is convenient to meet business needs and improve resources. Utilization rate.

As mentioned in the foregoing embodiments, the configuration information of the target FFP is obtained according to at least one of the following: priority of transmission information, transmission frequency, and data volume. Optionally, different priority levels of transmission information may correspond to different types of services. For example, the more important the service type, the shorter the FFP cycle after switching based on the configuration information of the target FFP. On the contrary, the less important the service type, the longer the FFP cycle after switching; the higher the transmission frequency, the shorter the FFP cycle after switching. The shorter the FFP cycle is, on the contrary, the lower the transmission frequency, the longer the cycle of the FFP after switching; the larger the amount of data, the longer the cycle of FFP after switching, and vice versa, the smaller the amount of data, the longer the cycle of FFP after switching. short.

The types of services mentioned above include, for example, Ultra Reliable Low Latency Communications (URLLC), enhanced Mobile Broadband (eMBB), etc. The service type URLLC is due to latency and reliability. The equal requirements are higher than those of the service type eMBB, or the priority of the service type URLLC is higher than the service type eMBB.

In order to describe in detail the FFP switching method of the unlicensed frequency band provided by the embodiments of the present application, the following will describe in combination with several specific embodiments.

Example one

As shown in Figure 2, in this embodiment, the terminal device can switch the FFP according to the configuration information of the target FFP; wherein, before switching the FFP, the terminal device can also notify the network device of the target FFP through uplink control information (UCI) Configuration information. Among them, UCI can be configured grant UCI, namely CG-UCI; it can also be other types of UCI.

Figure 2 schematically shows three FFPs in total, where the first FFP is the currently used FFP, and the second and third subsequent FFPs are the switched FFPs, that is, the target FFP. Before starting the transmission at the start of these FFPs, the terminal equipment needs to perform channel idle estimation (Clear Channel Assess, CCA). If it is judged to be idle, it can send immediately; otherwise, it is not allowed to send during the next FFP duration. Among them, the three FFPs in Figure 2 all judge that the channel is empty when performing CCA.

In FFP, the total duration of continuous transmission by a terminal device without re-estimating the availability of the channel is defined as the channel occupation time (Channel Occupancy Time, COT), which is followed by an idle period (Idle Period) immediately after the COT, and the idle period lasts until the next The beginning of an FFP ends.

In the embodiment shown in FIG. 2, the terminal device undergoes a processing or switching time, and starts channel listening and transmission according to the configuration of the target FFP at the next valid time, that is, in the second and third steps shown in FIG. The FFP performs channel listening and transmission, and the transmitted data is shown in Figure 2 in the Physical Uplink Shared Channel (PUSCH) and/or Physical Uplink Control Channel (PUCCH).

In this embodiment, the configuration information of the target FFP may be a configuration index, where each index corresponds to an FFP configuration (or FFP). The corresponding relationship between the index and the FFP configuration (or FFP) can be pre-configured by RRC.

Before the implementation of this embodiment, the network device may send multiple FFP configuration information to the terminal device, each FFP configuration information corresponds to a unique index, and the configuration information of the target FFP is one of the multiple FFP configuration information. When the terminal device is ready to switch the FFP configuration, it can send the index corresponding to the new configuration (that is, the configuration information of the target FFP) to the network device through UCI.

It should be noted that, as mentioned above, each FFP configuration information corresponds to a unique index, which can also be referred to as (after configuration) each FFP corresponds to a unique index.

After the current FFP ends, the network device and the terminal device can start channel listening and transmission according to the configuration information of the target FFP from the next FFP. In this case, the configuration information of the FFP (including the configuration information of the target FFP, etc.) may not include the starting position information (that is, the starting time) of the FFP, but only the length information of the FFP.

In other embodiments, the start position of the first FFP after switching may not be aligned with the end position of the current FFP, that is, the start position of the second FFP and the end of the first FFP in FIG. 2 The positions can be misaligned (or called non-overlapping, etc.). Specifically: if the remaining time of the current FFP is not enough to perform FFP switching processing and other operations, the next valid FFP start position will be started according to the target FFP configuration for channel listening and Transmission; or, if the remaining time of the current FFP is actually much greater than the FFP switching processing time, the current FFP can be ended early, starting from the starting position of the FFP configuration after the switching.

In this embodiment, the configuration information of the FFP includes the starting position information and length information of the switched FFP. The starting position can be an absolute position information, where the absolute position information can refer to a specific time domain position; it can also be an offset relative to a reference position. The reference position can be the start position, end position of the current FFP, or a common reference position. The offset can represent one value; it can also represent multiple values, each value being an integer multiple of this offset. For example, if the offset is indicated as 2 slots (slots), the offset can only represent a position offset of 2 slots, or it can represent a position offset of 4slots, 6slots, 8slots, etc. The specific value of the offset can be Determine according to the processing time required for FFP switching.

The public reference position mentioned above may be the relevant position where the terminal device sends the configuration information of the target FFP. For example, the public reference position may be the position where UCI transmission is completed or the position where UCI transmission starts. On the network device side, The public reference location is the location where UCI is received. Secondly, for the case of a response (see the second embodiment below, Respond in Figure 3, such as ACK), the public reference location can also be the location where the network device has sent the response (that is, the location where the terminal device has received the response) , The response can be either an ACK or the configuration information of the target FFP.

In this embodiment, the terminal device and the network device can know the processing time required for FFP switching in advance. In this embodiment, smaller bits (for example, 2 slots) can be used to indicate larger values (for example, 4 slots, 6 slots, 8 slots, etc.), which is convenient for saving signaling overhead.

Optionally, in other embodiments, the terminal device may also directly indicate the configuration information of the target FFP to the network device in the UCI instead of the index corresponding to the configuration information of the target FFP (or target FFP).

In this embodiment, the network device only needs to configure a set of initial FFP configuration to the terminal device. Same as above, if the start position of the switched FFP (that is, the target FFP) is aligned with the end position of the current FFP by default, the terminal device only needs to indicate the length of the target FFP to the network device.

In addition, the terminal device can also indicate the starting position and length of the target FFP in the UCI. As mentioned above, the starting position can be an absolute position or an offset relative to the reference position. The reference position can be the start position, end position of the current FFP, or a common reference position. The offset can represent one value or multiple values, and each value is an integer multiple of this offset. For example, if the offset is indicated as 2 slots (slots), the offset can only represent a position offset of 2 slots, or it can represent a position offset of 4slots, 6slots, 8slots, etc. The specific value of the offset can be Determine according to the processing time required for FFP switching.

Example two

As shown in FIG. 3, in this embodiment, the terminal device may request the network device to switch FFP, and perform the FFP switching operation after obtaining the permission of the network device.

Figure 3 schematically shows three FFPs, among which, the first FFP is the FFP obtained and used by the network device and shared with the terminal device, and the second and third subsequent FFPs are the FFP obtained and used by the terminal device. .

In this embodiment, the interval between PUSCH/PUCCH and PDCCH sent by the terminal device is greater than 16 microseconds (us). Therefore, the terminal device also performs the CCA operation in the COT obtained by the network device and determines that the channel is empty. Send PUSCH/PUCCH.

In this embodiment, the terminal device can send an FFP switching request to the network device through UCI (that is, the switching request Change Request in Figure 3); or, the terminal device can send the target to the network device through UCI (that is, the switching request in Figure 3). FFP configuration information.

1) When the terminal device sends the configuration information of the target FFP, the configuration information of the target FFP can be the index corresponding to the configuration information of the target FFP; it can also be the specific FFP configuration, which contains at least the starting position of the target FFP. And any one of the length of the target FFP. For the related content of the configuration information of the target FFP, please refer to Embodiment 1. To avoid repetition, the description will not be repeated here.

After the network device receives the configuration information of the target FFP sent by the terminal device, it can give the terminal device an acknowledgment (ACK) feedback (see ACK in Figure 3). After receiving the ACK feedback, the terminal device can perform the FFP switching operation.

2) When the terminal device sends an FFP switching request, the network device can send the configuration information of the target FFP to the terminal device (see the ACK in Figure 3). Similarly, at this time, the relevant content of the configuration information of the target FFP can be referred to in Embodiment 1. To avoid repetition, the description will not be repeated here.

After receiving the configuration information of the target FFP, the terminal device can perform the FFP switching operation.

In this example, the FFP switching request message sent by the terminal device to the network device may also include at least one of the following: the priority of the transmission information, the transmission frequency, the amount of data, etc., so that the network device can be based on the above-mentioned transmission information. The priority, transmission frequency, data volume, etc. determine the configuration information of the target FFP and send it to the terminal device.

The FFP switching method of the unlicensed frequency band according to the embodiment of the present application is described in detail above with reference to FIG. 1. The FFP switching method of an unlicensed frequency band according to another embodiment of the present application will be described in detail below with reference to FIG. 4. It is understandable that the interaction between the network device and the terminal device described from the network device side is the same as the description on the terminal device side in the method shown in FIG. 1, and to avoid repetition, the relevant description is appropriately omitted.

FIG. 4 is a schematic diagram of the implementation process of the FFP switching method of the unlicensed frequency band according to the embodiment of the present application, which can be applied to the network device side. As shown in FIG. 4, the method 400 includes the following steps.

S402: Switch the FFP according to the configuration information of the target FFP.

S404: Perform channel listening and transmission according to the target FFP.

In the embodiment of this application, the terminal device can actively initiate the FFP switching operation according to the priority, frequency, data volume, etc. of the transmission information, which solves the problem of the long update cycle of the FFP configuration in the related technology, which is convenient to meet business needs and improve Resource utilization.

Optionally, as an embodiment, the method further includes: receiving configuration information of the target FFP; wherein the configuration information of the target FFP is one of multiple FFP configuration information.

Optionally, as an embodiment, the method further includes: sending an ACK message.

Optionally, as an embodiment, the method further includes: receiving a handover request message, where the handover request message is used to request to switch FFP.

Optionally, as an embodiment, the method further includes: sending configuration information of the target FFP.

Optionally, as an embodiment, the configuration information of the target FFP includes configuration parameters of the target FFP; or the configuration information of the target FFP includes an index corresponding to the target FFP.

Optionally, as an embodiment, the configuration transmission of the target FFP includes at least one of the start position of the target FFP and the length of the target FFP.

Optionally, as an embodiment, the starting position of the target FFP includes an absolute position; or the starting position of the target FFP includes an offset relative to a reference position.

Optionally, as an embodiment, the configuration information of the target FFP is obtained according to at least one of the following: priority of transmission information, transmission frequency, and data volume.

The FFP switching method of the unlicensed frequency band according to the embodiment of the present application is described in detail above in conjunction with FIG. 1 to FIG. 4. The terminal device according to the embodiment of the present application will be described in detail below with reference to FIG. 5.

Fig. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present application. As shown in FIG. 5, the terminal device 500 includes.

The switching module 502 may be used to switch the FFP according to the configuration information of the target FFP.

The transmission module 504 may be used to perform channel sensing and transmission according to the target FFP.

In the embodiment of this application, the terminal device can actively initiate the FFP switching operation according to the priority, frequency, data volume, etc. of the transmission information, which solves the problem of the long update cycle of the FFP configuration in the related technology, and facilitates meeting business needs and improving resources. Utilization rate.

Optionally, as an embodiment, the transmission module 504 may be further configured to: send configuration information of the target FFP; wherein the configuration information of the target FFP is one of multiple FFP configuration information.

Optionally, as an embodiment, the transmission module 504 may also be used to: receive an acknowledgement ACK message.

Optionally, as an embodiment, the transmission module 504 may also be used to send a handover request message, where the handover request message is used to request to switch FFP.

Optionally, as an embodiment, the transmission module 504 may be further configured to: receive configuration information of the target FFP.

Optionally, as an embodiment, the configuration parameter of the target FFP includes at least one of the start position of the target FFP and the length of the target FFP.

The terminal device 500 according to the embodiment of the present application can refer to the process of the method 100 corresponding to the embodiment of the present application, and each unit/module in the terminal device 500 and other operations and/or functions described above are used to implement the corresponding methods in the method 100. The process, and can achieve the same or equivalent technical effect, for the sake of brevity, it will not be repeated here.

Fig. 6 is a schematic structural diagram of a network device according to an embodiment of the present application. As shown in FIG. 6, the network device 600 includes.

The switching module 602 may be used to switch the FFP according to the configuration information of the target FFP.

The transmission module 604 may be used to perform channel sensing and transmission according to the target FFP.

Optionally, as an embodiment, the transmission module 604 may be further configured to: receive configuration information of the target FFP; wherein the configuration information of the target FFP is one of multiple FFP configuration information.

Optionally, as an embodiment, the transmission module 604 may also be used to: send an ACK message.

Optionally, as an embodiment, the transmission module 604 may also be used to: receive a handover request message, where the handover request message is used to request to switch FFP.

Optionally, as an embodiment, the transmission module 604 may also be used to send configuration information of the target FFP.

The network device 600 according to the embodiment of the present application can refer to the process of the method 400 corresponding to the embodiment of the present application, and each unit/module in the network device 600 and the other operations and/or functions mentioned above are used to implement the corresponding methods in the method 400. The process, and can achieve the same or equivalent technical effect, for the sake of brevity, it will not be repeated here.

The various embodiments in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts between the various embodiments can be referred to each other. As for the device embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and for related parts, please refer to the part of the description of the method embodiment.

Fig. 7 is a block diagram of a terminal device according to another embodiment of the present application. The terminal device 700 shown in FIG. 7 includes: at least one processor 701, a memory 702, at least one network interface 704, and a user interface 703. The various components in the terminal device 700 are coupled together through the bus system 705. It can be understood that the bus system 705 is used to implement connection and communication between these components. In addition to the data bus, the bus system 705 also includes a power bus, a control bus, and a status signal bus. However, for the sake of clear description, various buses are marked as the bus system 705 in FIG. 7.

Wherein, the user interface 703 may include a display, a keyboard, a pointing device (for example, a mouse, a trackball), a touch panel or a touch screen, etc.

It can be understood that the memory 702 in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory. Among them, the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. The volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache. By way of exemplary but not restrictive description, many forms of RAM are available, such as static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (Double Data Rate SDRAM, DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), Synchronous Link Dynamic Random Access Memory (Synchlink DRAM, SLDRAM) And Direct Rambus RAM (DRRAM). The memory 702 of the system and method described in the embodiments of the present application is intended to include, but is not limited to, these and any other suitable types of memory.

In some embodiments, the memory 702 stores the following elements, executable modules or data structures, or a subset of them, or an extended set of them: an operating system 7021 and an application program 7022.

Among them, the operating system 7021 includes various system programs, such as a framework layer, a core library layer, a driver layer, etc., for implementing various basic services and processing hardware-based tasks. The application program 7022 includes various application programs, such as a media player (Media Player), a browser (Browser), etc., which are used to implement various application services. The program for implementing the method of the embodiment of the present application may be included in the application program 7022.

In the embodiment of the present application, the terminal device 700 further includes a computer program stored in the memory 702 and capable of running on the processor 701, and the computer program is executed by the processor 701 to implement the steps of the method embodiment 100 as follows.

The method disclosed in the foregoing embodiment of the present application may be applied to the processor 701 or implemented by the processor 701. The processor 701 may be an integrated circuit chip with signal processing capabilities. In the implementation process, the steps of the foregoing method can be completed by an integrated logic circuit of hardware in the processor 701 or instructions in the form of software. The aforementioned processor 701 may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (Field Programmable Gate Array, FPGA) or other Programmable logic devices, discrete gates or transistor logic devices, discrete hardware components. The methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed. The general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor. The software module may be located in a computer-readable storage medium that is mature in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers. The computer-readable storage medium is located in the memory 702, and the processor 701 reads the information in the memory 702, and completes the steps of the foregoing method in combination with its hardware. Specifically, a computer program is stored on the computer-readable storage medium, and when the computer program is executed by the processor 701, each step of the above method embodiment 100 is implemented.

It can be understood that the embodiments described in the embodiments of the present application may be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof. For hardware implementation, the processing unit can be implemented in one or more application specific integrated circuits (ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing equipment (DSP Device, DSPD), programmable Logic device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, and others for performing the functions described in this application Electronic unit or its combination.

For software implementation, the technology described in the embodiments of the present application can be implemented by modules (for example, procedures, functions, etc.) that execute the functions described in the embodiments of the present application. The software codes can be stored in the memory and executed by the processor. The memory can be implemented in the processor or external to the processor.

The terminal device 700 can implement the various processes implemented by the terminal device in the foregoing embodiments, and can achieve the same or equivalent technical effects. To avoid repetition, details are not described herein again.

Please refer to FIG. 8. FIG. 8 is a structural diagram of a network device applied in an embodiment of the present application, which can implement the details of the method embodiment 400 and achieve the same effect. As shown in FIG. 8, the network device 800 includes: a processor 801, a transceiver 802, a memory 803, and a bus interface, where:

In the embodiment of the present application, the network device 800 further includes: a computer program stored in the memory 803 and capable of running on the processor 801, and the computer program is executed by the processor 801 to implement the steps of the method embodiment 400.

In FIG. 8, the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 801 and various circuits of the memory represented by the memory 803 are linked together. The bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein. The bus interface provides the interface. The transceiver 802 may be a plurality of elements, including a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium.

The processor 801 is responsible for managing the bus architecture and general processing, and the memory 803 can store data used by the processor 801 when performing operations.

The embodiment of the present application also provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, it implements any one of the above method embodiment 100 and method embodiment 400. Each process can achieve the same technical effect. To avoid repetition, I won’t repeat it here. Wherein, the computer-readable storage medium, such as read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk, or optical disk, etc.

It should be noted that in this article, the terms "include", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, It also includes other elements that are not explicitly listed, or elements inherent to the process, method, article, or device. If there are no more restrictions, the element defined by the sentence "including a..." does not exclude the existence of other identical elements in the process, method, article, or device that includes the element.

Through the description of the above implementation manners, those skilled in the art can clearly understand that the above-mentioned embodiment method can be implemented by means of software plus the necessary general hardware platform, of course, it can also be implemented by hardware, but in many cases the former is better.的实施方式。 Based on this understanding, the technical solution of this application essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present application.

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

Claims

An FFP switching method for an unlicensed frequency band, the method is applied to a terminal device, and the method includes:

Switch FFP according to the configuration information of the target fixed frame period FFP;

Channel monitoring and transmission are performed according to the target FFP.
The method according to claim 1, wherein the method further comprises:

Sending the configuration information of the target FFP;

Wherein, the configuration information of the target FFP is one of multiple FFP configuration information.
The method according to claim 2, wherein the method further comprises:

Receive confirmation ACK message.
The method according to claim 1, wherein the method further comprises:

Send a handover request message, the handover request message is used to request to switch FFP.
The method according to claim 4, wherein the method further comprises:

Receiving the configuration information of the target FFP.
The method of claim 2 or 5, wherein:

The configuration information of the target FFP includes the configuration parameters of the target FFP; or

The configuration information of the target FFP includes an index corresponding to the target FFP.
The method according to claim 6, wherein the configuration parameter of the target FFP includes at least one of a starting position of the target FFP and a length of the target FFP.
The method according to claim 7, wherein:

The starting position of the target FFP includes an absolute position; or

The starting position of the target FFP includes an offset relative to the reference position.
The method according to claim 1, wherein the configuration information of the target FFP is obtained according to at least one of the following:

The priority, frequency, and data volume of the transmission information.
An FFP switching method for an unlicensed frequency band, the method is applied to a network device, and the method includes:

Switch FFP according to the configuration information of the target FFP;

Channel monitoring and transmission are performed according to the target FFP.
The method according to claim 10, wherein the method further comprises:

Receiving configuration information of the target FFP;

Wherein, the configuration information of the target FFP is one of multiple FFP configuration information.
The method according to claim 11, wherein the method further comprises:

Send an ACK message.
The method according to claim 10, wherein the method further comprises:

Receive a handover request message, where the handover request message is used to request to switch FFP.
The method according to claim 13, wherein the method further comprises:

Send the configuration information of the target FFP.
The method according to claim 11 or 14, wherein:

The configuration information of the target FFP includes the configuration parameters of the target FFP; or

The configuration information of the target FFP includes an index corresponding to the target FFP.
The method according to claim 15, wherein the configuration parameter of the target FFP includes at least one of a starting position of the target FFP and a length of the target FFP.
The method of claim 16, wherein:

The starting position of the target FFP includes an absolute position; or

The starting position of the target FFP includes an offset relative to the reference position.
The method according to claim 10, wherein the configuration information of the target FFP is obtained according to at least one of the following:

The priority, frequency, and data volume of the transmission information.
A terminal device, including:

The switching module is used to switch the FFP according to the configuration information of the target FFP;

The transmission module is used for channel sensing and transmission according to the target FFP.
A network device including:

The switching module is used to switch the FFP according to the configuration information of the target FFP;

The transmission module is used for channel sensing and transmission according to the target FFP.
A terminal device, comprising: a memory, a processor, and a computer program stored on the memory and running on the processor, the computer program being executed by the processor is implemented as in claims 1 to 9 Any one of the FFP switching methods of the unlicensed frequency band.
A network device, comprising: a memory, a processor, and a computer program stored on the memory and capable of running on the processor, the computer program being executed by the processor is implemented as in claims 10 to 18 Any one of the FFP switching methods of the unlicensed frequency band.
A computer-readable storage medium having a computer program stored on the computer-readable storage medium, and when the computer program is executed by a processor, the FFP switching of the unlicensed frequency band according to any one of claims 1 to 18 is realized method.