CN112189366B

CN112189366B - Wireless communication method, network device, terminal device, chip, and storage medium

Info

Publication number: CN112189366B
Application number: CN201880093784.3A
Authority: CN
Inventors: 贺传峰
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2018-11-23
Filing date: 2018-11-23
Publication date: 2023-04-25
Anticipated expiration: 2038-11-23
Also published as: CN112189366A; WO2020103160A1

Abstract

The embodiment of the application provides a wireless communication method and device, which can increase the sending time of a synchronous signal block, thereby improving the probability of successful sending of SSB in a transmission window. The method comprises the following steps: the network equipment sends first information, wherein the first information indicates the sending information of M synchronous signal blocks, and the sending information indicates whether the synchronous signal blocks are sent or not; the network device sends second information, wherein the second information indicates a first starting position, and the first starting position is a starting position corresponding to the M synchronous signal blocks in the transmission window, wherein the transmission window comprises N candidate sending positions, the M synchronous signal blocks correspond to the M candidate sending positions, and M is smaller than N.

Description

Wireless communication method, network device, terminal device, chip, and storage medium

Technical Field

The embodiment of the application relates to the technical field of communication, in particular to a wireless communication method, network equipment, terminal equipment, a chip and a storage medium.

Background

The synchronization signal blocks (e.g., synchronization signals and broadcast channels) in the New Radio (NR) system can cover the entire cell by multi-beam scanning, so as to facilitate the reception of terminal devices in the cell. Wherein a transmission time may be predetermined for transmitting the synchronization signal blocks using the respective beams.

In unlicensed spectrum techniques, listen before talk (Listen Before Talk, LBT) operations may be performed, and in the event that the channel is determined to be idle by the LBT, the transmission of a synchronization signal block may be performed.

However, in the transmission of the synchronization signal block, the transmission time of the synchronization signal block defined in the current NR may not be able to successfully transmit the synchronization signal block due to the possibility of LBT failure.

Disclosure of Invention

The embodiment of the application provides a wireless communication method, network equipment, terminal equipment, a chip and a storage medium, which can increase the sending time of a synchronous signal block, thereby improving the probability of successfully sending the synchronous signal block in a transmission window.

In a first aspect, a wireless communication method is provided, including: the network equipment sends first information, wherein the first information indicates the sending information of M synchronous signal blocks, and the sending information indicates whether the synchronous signal blocks are sent or not; the network device sends second information, wherein the second information indicates a first starting position, and the first starting position is a starting position corresponding to the M synchronous signal blocks in a transmission window, wherein the transmission window comprises N candidate sending positions, the M synchronous signal blocks correspond to the M candidate sending positions, and M is smaller than N.

In a second aspect, a wireless communication method is provided, including: the network equipment transmits at least part of synchronous signal blocks in M candidate transmission positions in a transmission window, wherein the starting position of the M candidate transmission positions is a first candidate starting position; the transmission window comprises N candidate transmission positions, the N candidate transmission positions comprise P candidate initial positions, the candidate initial positions are candidate transmission positions which can be used as initial positions of M candidate transmission positions corresponding to the M synchronous signal blocks in the N candidate transmission positions, the first candidate initial positions belong to the P candidate initial positions, M is smaller than N, and P is larger than 1 and smaller than or equal to N.

In a third aspect, a wireless communication method is provided, including: the terminal equipment receives first information, wherein the first information indicates transmission information of M synchronous signal blocks, and the transmission information indicates whether the synchronous signal blocks are transmitted or not; the terminal equipment receives second information, wherein the second information indicates a first starting position, the first starting position is a starting position corresponding to M synchronous signal blocks in a transmission window, the transmission window comprises N candidate sending positions, the M synchronous signal blocks correspond to M candidate sending positions, and M is smaller than N.

In a fourth aspect, there is provided a wireless communication method comprising: at least part of candidate transmission positions in M candidate transmission positions in a transmission window of the terminal equipment are used for receiving at least part of synchronous signal blocks in M synchronous signal blocks, and the starting position of the M candidate transmission positions is a first candidate starting position; the transmission window comprises N candidate transmission positions, the N candidate transmission positions comprise P candidate initial positions, the candidate initial positions are candidate transmission positions which can be used as initial positions of M candidate transmission positions corresponding to the M synchronous signal blocks in the N candidate transmission positions, the first candidate initial positions belong to the P candidate initial positions, M is smaller than N, and P is larger than 1 and smaller than or equal to N.

In a fifth aspect, a network device is provided for performing the method of the first or second aspect.

In particular, the network device comprises functional modules for performing the method of the first or second aspect described above.

A sixth aspect provides a terminal device configured to perform the method of the third or fourth aspect.

Specifically, the terminal device comprises a functional module for performing the method of the third or fourth aspect described above.

In a seventh aspect, a network device is provided that includes a processor and a memory. The memory is for storing a computer program and the processor is for calling and running the computer program stored in the memory for performing the method of the first or second aspect described above.

In an eighth aspect, a terminal device is provided that includes a processor and a memory. The memory is for storing a computer program and the processor is for calling and running the computer program stored in the memory for performing the method of the third or fourth aspect described above.

A ninth aspect provides a chip for implementing the method of any one of the first to fourth aspects.

Specifically, the chip includes: a processor for calling and running a computer program from a memory, so that a device on which the chip is mounted performs the method of any one of the first to fourth aspects described above.

In a tenth aspect, a computer-readable storage medium is provided for storing a computer program that causes a computer to execute the method of any one of the first to fourth aspects described above.

In an eleventh aspect, there is provided a computer program product comprising computer program instructions for causing a computer to perform the method of any one of the first to fourth aspects above.

In a twelfth aspect, there is provided a computer program which, when run on a computer, causes the computer to perform the method of any one of the first to fourth aspects above.

In this embodiment of the present application, the number N of candidate transmission positions of a transmission window for transmitting synchronization signal blocks is greater than the number M of available synchronization signal blocks, so that the transmission time of the synchronization signal blocks may be increased, thereby improving the probability of successfully transmitting SSBs in the transmission window, and indicating, by the first information, whether the M synchronization signal blocks are transmitted, and the second information, indicating the starting positions of the M candidate transmission positions corresponding to the M synchronization signal blocks in the transmission window, thereby obtaining the candidate transmission positions corresponding to the M synchronization signal blocks in the transmission window, thereby determining the positions of the synchronization signal blocks that are actually transmitted, and facilitating, for example, rate matching by the terminal device.

Drawings

Fig. 1 is a schematic diagram of a communication system architecture provided in an embodiment of the present application.

Fig. 2 is a time domain resource occupation diagram of one synchronization signal block according to an embodiment of the present application.

Fig. 3 is a time domain distribution diagram of SSB Burst set provided in an embodiment of the present application.

Fig. 4 is a schematic flow chart of a wireless communication method provided in an embodiment of the present application.

Fig. 5 is a schematic flow chart of a wireless communication method provided in an embodiment of the present application.

Fig. 6 is a schematic diagram of a candidate transmission position of a transmission window according to an embodiment of the present application.

Fig. 7 is a schematic flow chart of a wireless communication method provided in an embodiment of the present application.

Fig. 8 is a schematic flow chart of a wireless communication method provided in an embodiment of the present application.

Fig. 9 is a schematic block diagram of a network device provided in an embodiment of the present application.

Fig. 10 is a schematic block diagram of a network device provided in an embodiment of the present application.

Fig. 11 is a schematic block diagram of a terminal device provided in an embodiment of the present application.

Fig. 12 is a schematic block diagram of a network device provided in an embodiment of the present application.

Fig. 13 is a schematic block diagram of a communication device provided in an embodiment of the present application.

Fig. 14 is a schematic block diagram of a chip provided in an embodiment of the present application.

Fig. 15 is a schematic block diagram of a communication system provided in an embodiment of the present application.

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be made with reference to the 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. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The technical solution of the embodiment of the application can be applied to various communication systems, for example: global system for mobile communications (Global System of Mobile communication, GSM), code division multiple access (Code Division Multiple Access, CDMA) system, wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system, general packet radio service (General Packet Radio Service, GPRS) system, long term evolution (Long Term Evolution, LTE) system, LTE frequency division duplex (Frequency Division Duplex, FDD) system, LTE time division duplex (Time Division Duplex, TDD) system, universal mobile telecommunications system (Universal Mobile Telecommunication System, UMTS), worldwide interoperability for microwave access (Worldwide Interoperability for Microwave Access, wiMAX) communication system, or 5G system, etc.

Exemplary, a communication system 100 to which embodiments of the present application apply is shown in fig. 1. The communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or referred to as a communication terminal, terminal). Network device 110 may provide communication coverage for a particular geographic area and may communicate with terminal devices located within the coverage area. In an embodiment, the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, an evolved base station (Evolutional Node B, eNB or eNodeB) in an LTE system, or a radio controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or the network device may be a mobile switching center, a relay station, an access point, a vehicle device, a wearable device, a hub, a switch, a bridge, a router, a network-side device in a 5G network, or a network device in a future evolved public land mobile network (Public Land Mobile Network, PLMN), etc.

The communication system 100 further comprises at least one terminal device 120 located within the coverage area of the network device 110. "terminal device" as used herein includes, but is not limited to, a connection via a wireline, such as via a public-switched telephone network (Public Switched Telephone Networks, PSTN), a digital subscriber line (Digital Subscriber Line, DSL), a digital cable, a direct cable connection; and/or via another data network; and/or via a wireless interface, e.g., via a digital television network, satellite network, AM-FM broadcast transmitter connection for a cellular network, a wireless local area network (Wireless Local Area Network, WLAN), a digital television network such as a digital video broadcasting-Handheld (DVB-H) network; and/or via a device connection of the other terminal device arranged to receive/transmit communication signals; and/or via an internet of things (Internet of Things, ioT) device connection. Terminal devices arranged to communicate over a wireless interface may be referred to as "wireless communication terminals", "wireless terminals" or "mobile terminals". Examples of mobile terminals include, but are not limited to, satellites or cellular telephones; a personal communications system (Personal Communications System, PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; personal digital assistants (Personal Digital Assistant, PDA) that may include a radiotelephone, pager, internet/intranet access, web browser, organizer, calendar, and/or a global positioning system (Global Positioning System, GPS) receiver; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. A terminal device may refer to an access terminal, user Equipment (UE), subscriber unit, subscriber station, mobile station, remote terminal, mobile device, user terminal, wireless communication device, user agent, or User Equipment. An access terminal 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 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 5G network, or a terminal device in a future evolved PLMN, etc.

In an embodiment, a direct terminal (D2D) communication may be performed between the terminal devices 120.

In an embodiment, the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.

Fig. 1 illustrates one network device and two terminal devices, and in an embodiment, the communication system 100 may include a plurality of network devices and may include other numbers of terminal devices within a coverage area of each network device, which is not limited in this embodiment of the application.

In an embodiment, the communication system 100 may further include other network entities such as a network controller, a mobility management entity, and the like, which is not limited in this embodiment.

It should be understood that a device having a communication function in a network/system in an embodiment of the present application may be referred to as a communication device. Taking the communication system 100 shown in fig. 1 as an example, the communication device may include a network device 110 and a terminal device 120 with communication functions, where the network device 110 and the terminal device 120 may be specific devices described above, and are not described herein again; the communication device may also include other devices in the communication system 100, such as a network controller, a mobility management entity, and other network entities, which are not limited in this embodiment of the present application.

It should be understood that the terms "system" and "network" are used interchangeably herein. The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

The embodiments of the present application relate to transmission of synchronization signal blocks (Synchronization Signal Block, SSB) (SS/PBCH Block), which will be described below.

SSBs may include synchronization signals (Synchronization Signal, SS) and physical broadcast channels (Physical Broadcasting Channel, PBCH). The SSB can cover the whole cell in a multi-beam scanning mode, so that the UE in the cell can receive the signal conveniently. The multi-beam transmission of the synchronization signal block is achieved by defining SS/PBCH cluster (SS/PBCH burst set). One SS cluster (also referred to as SS burst) contains one or more SSBs. One SSB is used to carry the synchronization signal and broadcast channel of one beam. Thus, one SS/PBCH cluster may contain synchronization signals for SSB number of beams within a cell. The maximum number of SSBs may be related to the frequency band of the system.

For example, for a frequency band within the frequency range of 3GHZ, the maximum number is equal to 4. For frequency bands within the frequency range 3GHZ to 6GHZ, this maximum number is equal to 8. For frequency bands above the frequency range of 6GHZ, this maximum number is equal to 64.

One SSB may include one symbol of primary synchronization signal (Primary Synchronization Signal, PSS), one symbol of secondary synchronization signal (Secondary Synchronization Signal, SSS) and two symbols of NR-PBCH (New Radio Access Technology-Physical broadcast channel, physical broadcast channel), for example, as shown in fig. 2. Wherein, the PSS is sent on the PSS symbol and the PBCH can be sent at the same time.

All SSBs within the SS/PBCH cluster may be sent within a 5ms time window and repeated at certain periods, configured by higher layer parameters (e.g., SSB-timing), including 5ms,10ms,20ms,40ms,80ms,160ms, etc.

The slot distribution of SSBs in different subcarrier spacings and frequency bands may be as shown in fig. 3, wherein the dark gray filled portions in fig. 3 may be transmission positions of SSBs. Taking a 15kHz subcarrier spacing as an example, the maximum number of SSBs is 4, one slot (slot) contains 14 symbols (symbols) and can carry two SSBs. 4 SSBs are distributed in the first two slots in the 5ms time window. Where L is the maximum number of SSBs, the number of SSBs actually transmitted may be smaller than L. Wherein, the base station can inform the actually transmitted SSB by means of bit mapping.

For example, in a frequency band below 6GHz of the licensed spectrum, SSBs included in the SSB cluster are at most 8, and the base station can notify the UE of a specific SSB transmission position by broadcasting 8 bits of information, where each bit represents whether one SSB is transmitted or not, so that the UE performs rate matching.

The embodiment of the application can be used for unlicensed spectrum. Unlicensed spectrum is a nationally and regionally divided spectrum that can be used for radio communications and is generally considered to be a shared spectrum, i.e., communication devices in different communication systems can use the spectrum without applying for proprietary spectrum grants to the government as long as the national or regional regulatory requirements set on the spectrum are met. In order for individual communication systems using unlicensed spectrum for wireless communication to co-exist friendly over the spectrum, some countries or regions have stipulated regulatory requirements that must be met using unlicensed spectrum. For example, in the european region, the communication device follows the principle of listen-before-talk (LBT), that is, the communication device needs to perform channel interception before performing signal transmission on a channel of the unlicensed spectrum, and only when the channel interception result is that the channel is idle, the communication device can perform signal transmission; if the channel listening result of the communication device on the channel of the unlicensed spectrum is that the channel is busy, the communication device is unable to signal. And in order to ensure fairness, in one transmission, the communication device cannot use the unlicensed spectrum channel for signal transmission for a period exceeding the maximum channel occupation time (Maximum Channel Occupation Time, MCOT).

In the NR unlicensed (technique), transmission may be achieved using the NR technique over unlicensed spectrum. During the transmission of SSBs, the transmission time of SSBs shown in fig. 3 may not be able to successfully transmit SSBs due to the possibility of LBT failure. For this reason, in the embodiment of the present application, the transmission opportunity of the SSB may be increased, and the transmission time of the new SSB may be defined.

Specifically, in consideration of uncertainty in acquisition of channel usage rights on unlicensed spectrum, the number Y of candidate transmission positions of SSBs configured by the network device is greater than the maximum number L of SSBs that the network device can transmit in one transmission window.

That is, for each transmission window, the network device may determine to transmit L SSBs using available ones of the Y candidate transmission positions according to the detection result of LBT within the transmission window, and the used candidate transmission positions may be different within different transmission windows. Therefore, it is necessary to consider how to indicate the candidate transmission positions used within one transmission window.

Fig. 4 is a schematic flow chart of a wireless communication method 200 according to an embodiment of the present application. The method 200 includes at least some of the following.

In 210, the network device transmits first information indicating transmission information of M synchronization signal blocks, the transmission information indicating whether the synchronization signal blocks are transmitted;

In 220, the network device sends second information, where the second information indicates a first starting position, where the first starting position is a starting position corresponding to the M synchronization signal blocks in a transmission window, where the transmission window includes N candidate sending positions, and M is smaller than N and the M synchronization signal blocks correspond to the M candidate sending positions.

Fig. 5 is a schematic flow chart diagram of a wireless communication method 300 according to an embodiment of the present application. The method 300 includes at least some of the following.

In 310, the terminal device receives first information, where the first information indicates transmission information of M synchronization signal blocks, and the transmission information indicates whether the synchronization signal blocks are transmitted;

in 320, the terminal device receives second information, where the second information indicates a first starting position, and the first starting position is a starting position corresponding to the M synchronization signal blocks in a transmission window, where the transmission window includes N candidate transmission positions, and the M synchronization signal blocks correspond to the M candidate transmission positions, where M is smaller than N.

In an embodiment, the terminal device may determine, according to the first information and the second information, a position of an actually transmitted synchronization signal block in the transmission window, so as to perform rate matching for downlink data reception.

In order to facilitate a clearer understanding of the present application, specific implementations of

methods

200 and 300 are described in detail below.

In the embodiment of the present application, the M synchronization signal blocks indicated by the first information may be the maximum number of synchronization signal blocks allowed to be transmitted in one transmission window. Each synchronization signal block corresponds to one SSB index, and different synchronization signal blocks correspond to different SSB indexes.

In the embodiment of the present application, the M synchronization signal blocks may be all synchronization signal blocks included in SS clusters.

It should be understood that in the embodiment of the present application, M synchronization signal blocks may correspond to M candidate transmission positions.

In embodiments of the present application, the transmission window may be referred to as a discovery reference signal (Discovery Reference Signal, DRS) transmission window. The transmission window may include N candidate transmission locations, each of which may be used to transmit SSBs. The adjacent two candidate transmission positions included in the transmission window may be contiguous or non-contiguous in the time domain (e.g., may be separated by at least one symbol, at least one slot, etc.).

In the embodiment of the present application, the SSB index corresponding to each candidate transmission position in the transmission window may not be fixed. At this time, starting from any one of the candidate transmission positions, the SSB transmission may be performed at the candidate transmission position in the order of SSB index 0 to SSB index M-1. The M synchronization signal blocks may correspond to M candidate transmission positions, even if a certain synchronization signal block does not need to be transmitted, at this time, for a next synchronization signal block, the transmission position corresponding to the certain synchronization signal block may be skipped, and the transmission of the next synchronization signal block may be performed at the candidate transmission position corresponding to the next synchronization signal block, that is, the transmission position of the certain synchronization signal block is not occupied. Of course, the embodiment of the present application may not be limited thereto, and for example, even if a certain synchronization signal block does not need to be transmitted, one candidate transmission position may not be skipped for the next synchronization signal block.

In the embodiment of the present application, the SSB index corresponding to each candidate transmission position in the transmission window may also be fixed. That is, for a particular candidate transmission location, it corresponds to a particular SSB index. For a particular SSB index, its corresponding candidate transmission position within the transmission window may occur periodically.

For example, as shown in fig. 6, 64 candidate transmission positions (the first row of numbers represents candidate transmission positions in fig. 6) may be included in one transmission window, M may be equal to 8, the SSB index may have a value from 0 to 7, each candidate transmission position may correspond to a specific SSB index (the second row of numbers represents SSB indexes corresponding to respective candidate transmission positions), and as can be seen in fig. 6, each SSB index corresponds to a candidate transmission position that is periodic, and the number of corresponding candidate transmission positions is 8.

In the embodiment of the present application, the M candidate transmission positions are consecutive within the transmission window. For example, as shown in fig. 6, for 8 candidate transmission positions, the 8 candidate transmission positions are consecutive regardless of from which candidate transmission position, and may correspond to 8 indexed synchronization signal blocks.

In this embodiment of the present application, the transmission window includes P candidate start positions, where the candidate start positions are candidate transmission positions that can be start positions of M candidate transmission positions corresponding to the M synchronization signal blocks in the N candidate transmission positions, the P candidate start positions include the first start position, and P is greater than 1 and less than or equal to N.

For example, as shown in fig. 6, one candidate start position (only a part of candidate start positions are shown in the figure) may appear every 4 candidate transmission positions, from which transmission of 8-indexed synchronization signal blocks may be performed (only a part of the synchronization signal blocks may be actually transmitted).

If the embodiment of the application is used for unlicensed spectrum, the LBT operation may be performed before the candidate starting position, and if the LBT operation is successful, the SSB may be sent starting with the candidate starting position. If LBT fails, it is necessary to wait until the next candidate start position and perform LBT operation before the next candidate start position.

For example, as shown in fig. 6, when LBT operations performed at the first 5 candidate start positions fail and LBT performed before the sixth candidate start position succeeds, SSB transmission may be started at the sixth candidate start position.

In the embodiment of the present application, the number of candidate transmission positions spaced between every two candidate start positions in the P candidate start positions is the same.

For example, as shown in fig. 6, the number of candidate transmission positions spaced between every two candidate start positions is 4.

In this embodiment of the present application, the number of candidate transmission positions spaced between every two candidate start positions in the P candidate start positions is less than or equal to the M.

For example, as shown in fig. 6, the number of candidate transmission positions spaced between every two candidate start positions is 4, and 4 is less than 8. In this implementation, the problem of transmission position waste caused by the fact that the candidate transmission position of the interval between every two candidate starting positions is larger than M can be avoided.

In this embodiment of the present application, the M is an integer multiple of the number of candidate transmission positions spaced between each two candidate start positions.

For example, as shown in fig. 6, the number of candidate transmission positions at the interval between every two candidate start positions is 4, and 8 is 2 times 4. In this implementation, it may be implemented that M candidate transmission positions corresponding to M synchronization signal blocks are equal to a candidate transmission position between two candidate start positions (which may be adjacent or non-adjacent). The method can realize the repeated occurrence of the candidate transmission positions corresponding to the specific synchronous signal blocks, and can also avoid the problem of waste of the candidate transmission positions caused by the fact that the candidate transmission positions do not correspond to any synchronous signal blocks.

In this embodiment of the present application, the transmission window starts from a last candidate start position of the P candidate start positions, and includes a number of candidate transmission positions greater than a number of candidate transmission positions spaced between every two candidate start positions of the P candidate start positions.

In this embodiment of the present application, the transmission window starts from a last candidate start position of the P candidate start positions, and includes a number of candidate transmission positions greater than or equal to M.

For example, as shown in fig. 6, the corresponding candidate transmission position at candidate transmission position 56 may be taken as the last candidate starting position within the transmission window. It is thus avoided that starting at the last candidate start position, the remaining candidate transmission positions cannot correspond to all of the M sync signal blocks.

In an embodiment, the P candidate start positions are uniformly or non-uniformly distributed within the transmission window.

In case of non-uniform distribution, it is possible to achieve e.g. the transmission of synchronization signal blocks for which some candidate transmission positions are needed as a scene for other purposes.

It should be understood that, in the embodiment of the present application, each candidate transmission position in the transmission window may be used as a candidate starting position, for example, as shown in fig. 6, when LBT performed before the transmission time corresponding to SSB index 0 fails, channel interception may be continued, when LBT performed before the transmission time corresponding to SSB index 1 fails, if LBT performed before the transmission time corresponding to SSB index 2 succeeds, the remaining SSBs are transmitted from SSB index 2, and after SSB index 7 is transmitted,

SSB indexes

0 and 1 that have not been successfully transmitted before transmission are transmitted.

In this embodiment of the present application, the first information indicates transmission information of the M synchronization signal blocks by means of bit mapping.

Specifically, the first information indicates the transmission information in the index order of the M synchronization signal blocks. At this time, the first information may be transmitted in a non-dynamic manner, for example, through an RRC message, system information, or a broadcast message.

Since the first information is sent non-dynamically, the network device cannot predict the position where channel interception is successful, for example, as shown in fig. 6, some initial positions are initial positions corresponding to index 4 and some initial positions are positions corresponding to index 0, so the network device cannot indicate the sending information of whether each synchronization signal block is sent according to the sequence of the corresponding candidate sending positions. The transmission information of the synchronization signal blocks can be indicated according to the indexes of the M synchronization signal blocks.

For example, as shown in fig. 6, it is assumed that the start position of LBT interception success is 20, although the order in which SSB clusters are actually transmitted is 4, 5,6, 7, 0,1,2, 3 in the figure. The 8-bit mapping method is indicated in the order of SSB indexes, for example, 11100110 indicates SSB transmission of SSB index= 0,1,2,5,6, SSB index=3, 4, and 7 SSB is not transmitted.

In this embodiment of the present application, the first information indicates the transmission information by the number of synchronization signal blocks actually transmitted among the M synchronization signal blocks or an end position of the synchronization signal block actually transmitted among the M candidate transmission positions.

At this time, the candidate transmission positions occupied by the actually transmitted synchronization signal blocks include: at least one candidate transmission position, among the M candidate transmission positions, which is continuous with the first start position as a start point.

Specifically, SSBs are transmitted on unlicensed spectrum, and due to the limitation of channel occupation time, a preferred transmission mode is to continuously transmit SSBs, that is, SSBs actually transmitted are sequentially and continuously transmitted in front of 8 positions in the SSB cluster set. Thus, the first information may include information of the number of actually transmitted SSBs, that is, may indicate the actual transmission position of the SSBs. At this point, if M is equal to 8, the first information only needs 3 bits to indicate 1-8 actually transmitted SSBs.

In this embodiment of the present application, the second information indicates the first start position by a position of the first start position among the P candidate start positions. For example, assuming that there are 16 candidate start positions, it is possible to indicate which of the 16 candidate start positions the first start position is by 4 bits of information.

For example, as shown in fig. 6, there are 16 possible start positions of SSB clustering, and 4-bit indication information indicates the start positions. Inside the SSB cluster, the location of the actually transmitted SSB is indicated by means of 8-bit mapping. It is noted that the order of SSB indexes indicated by the bitmap is still 0-7, although the order in which SSB clusters are actually transmitted in the figure is 4, 5,6, 7, 0,1,2, 3. The bit mapping order of 8 bits may be an SSB index order, for example, 11100110 indicates SSB transmission of SSB index (index) = 0,1,2,5,6, SSB index (index) =3, 4,7 is not transmitted. In conjunction with the SSB cluster start position indication 0110, a 6 th position among possible start positions defined in the DRS window is indicated as the start position of the SSB cluster actually transmitted. From these two indication information, the actual transmission position of the SSB within the DRS window can be obtained.

In this embodiment of the present application, the second information is carried by a physical downlink control channel PDCCH sent by the search space associated with the first starting location, by a sequence associated with the first starting location, or by a reference signal associated with the first starting location.

Specifically, the start position indication information (second information) of SSB clustering is indicated by a channel or a signal associated with the start position, and the UE obtains the start position of SSB clustering by detecting the indication information or the signal itself carried by the channel. Specifically, in fig. 6, each possible starting position is associated with a PDCCH search space, and the UE obtains DCI carried by the PDCCH by detecting the corresponding search space, to obtain whether the associated starting position is an actual starting position of SSB clustering. The PDCCH may be a group common PDCCH, and the search space is a common search space. The DCI carries 1-bit indication information, for example, 1 indicates that the associated start position is an actual start position, and 0 indicates that the associated start position is not an actual start position. The indication information may also be a signal associated with the start position, such as a sequence, a reference signal, etc., and the UE obtains the second information of the actual start position of SSB clustering based on the detection of the signal.

In the embodiment of the present application, the first information is carried through PDCCH, system information, broadcast message or radio resource control (Radio Resource Control, RRC) signaling.

In the embodiment of the application, the first information and the second information may be sent in the same physical downlink control channel (Physical Downlink Control Channel, PDCCH) or in different PDCCHs.

Fig. 7 is a schematic block diagram of a wireless communication method 400 according to an embodiment of the present application. As shown in fig. 7, the method 400 includes at least some of the following.

In 410, the network device performs transmission of at least part of the synchronization signal blocks in the M candidate transmission positions within the transmission window, where a start position of the M candidate transmission positions is a first candidate start position;

The transmission window comprises N candidate transmission positions, the N candidate transmission positions comprise P candidate initial positions, the candidate initial positions are candidate transmission positions which can be used as initial positions of M candidate transmission positions corresponding to the M synchronous signal blocks in the N candidate transmission positions, the first candidate initial positions belong to the P candidate initial positions, M is smaller than N, and P is larger than 1 and smaller than or equal to N.

Fig. 8 is a schematic block diagram of a wireless communication method 500 according to an embodiment of the present application. As shown in fig. 8, the method 500 includes at least some of the following.

In 510, the terminal device receives at least a part of synchronization signal blocks in M candidate transmission positions in a transmission window, where a start position of the M candidate transmission positions is a first candidate start position;

In an embodiment, the network device may perform blind detection on the synchronization signal block at one or more of the M candidate transmission positions, where the blind detected candidate transmission positions may be the case, and the embodiment of the present application is not limited in this particular manner.

To facilitate a clearer understanding of the present application, specific implementations of

methods

400 and 500 are described in detail below.

In the embodiment of the present application, the P candidate start positions are unevenly distributed in the transmission window.

In an embodiment of the present application, the synchronization signal block is transmitted on an unlicensed spectrum.

In the embodiment of the present application, before the first candidate starting position, channel interception performed by the network device for transmitting a synchronization signal is successful.

In an embodiment of the present application, the method further includes:

the network device sends indication information, wherein the indication information indicates the first candidate starting position. Wherein the description of the indication information may refer to the description above regarding the second information.

In this embodiment of the present application, the indication information indicates the first candidate start position through a position of the first candidate start position among the P candidate start positions.

In this embodiment of the present application, the indication information is carried by a physical downlink control channel PDCCH sent by the search space associated with the first candidate starting location, by a sequence associated with the first candidate starting location, or by a reference signal associated with the first candidate starting location.

In this embodiment of the present application, the network device sends first information, where the first information indicates sending information of the M synchronization signal blocks, where the sending information indicates whether the synchronization signal blocks are sent, and the first information is carried by PDCCH, system information, a broadcast message, or radio resource control RRC signaling.

Therefore, in the embodiment of the present application, the network device performs, at least in part, transmission of at least a part of the synchronization signal blocks in M candidate transmission positions within the transmission window, where a start position of the M candidate transmission positions is a first candidate start position.

In the embodiment of the present application, the number N of candidate transmission positions of the transmission window for transmitting the synchronization signal blocks is greater than the number M of available synchronization signal blocks, so the transmission time of the synchronization signal blocks can be increased, thereby increasing the probability of successfully transmitting SSBs in the transmission window, and the probability of starting to transmit SSBs can be increased by having multiple candidate starting positions, thereby further increasing the probability of successfully transmitting SSBs in the transmission window.

It should be understood that specific implementations of

methods

400 and 500 may refer to the descriptions of

methods

200 and 300. For example, reference may be made to the descriptions of the

methods

200 and 300 for implementation of candidate starting locations, which are not repeated here for brevity.

Fig. 9 is a schematic block diagram of a network device 600 according to an embodiment of the present application. The network device 600 comprises a communication unit 610 for:

transmitting first information indicating transmission information of M synchronization signal blocks, the transmission information indicating whether the synchronization signal blocks are transmitted;

And sending second information, wherein the second information indicates a first starting position, and the first starting position is a starting position corresponding to the M synchronous signal blocks in the transmission window, wherein the transmission window comprises N candidate sending positions, the M synchronous signal blocks correspond to the M candidate sending positions, and M is smaller than N.

In the embodiment of the present application, the M candidate transmission positions are consecutive within the transmission window.

In this embodiment of the present application, the first information indicates the transmission information according to an index order of the M synchronization signal blocks.

In this embodiment of the present application, the candidate transmission positions occupied by the actually transmitted synchronization signal block include: at least one candidate transmission position, among the M candidate transmission positions, which is continuous with the first start position as a start point.

In this embodiment of the present application, the second information indicates the first start position by a position of the first start position among the P candidate start positions.

In the embodiment of the application, before the first starting position, channel interception performed by the network device for transmitting a synchronization signal is successful.

In this embodiment of the present application, the first information is carried through PDCCH, system information, broadcast message or radio resource control RRC signaling.

It should be understood that the network device 600 may implement the corresponding operations of the method 200 implemented by the network device, and are not described herein for brevity.

Fig. 10 is a schematic block diagram of a network device 700 according to an embodiment of the present application. The network device 700 comprises a communication unit 710 for:

At least part of candidate transmission positions in M candidate transmission positions in a transmission window are used for transmitting at least part of synchronous signal blocks in M synchronous signal blocks, and the starting position of the M candidate transmission positions is a first candidate starting position;

In the embodiment of the present application, the communication unit 710 is further configured to:

and sending indication information, wherein the indication information indicates the first candidate starting position.

and transmitting first information, wherein the first information indicates transmission information of the M synchronous signal blocks, the transmission information indicates whether the synchronous signal blocks are transmitted or not, and the first information is carried through PDCCH, system information, a broadcast message or Radio Resource Control (RRC) signaling.

It should be understood that the network device 700 may implement the corresponding operations of the method 300 implemented by the network device, and are not described herein for brevity.

Fig. 11 is a schematic block diagram of a terminal device 800 according to an embodiment of the present application. The terminal device 800 comprises a communication unit 810 for:

receiving first information, wherein the first information indicates transmission information of M synchronous signal blocks, and the transmission information indicates whether the synchronous signal blocks are transmitted or not;

and receiving second information, wherein the second information indicates a first starting position, and the first starting position is a starting position corresponding to the M synchronous signal blocks in the transmission window, wherein the transmission window comprises N candidate transmission positions, the M synchronous signal blocks correspond to the M candidate transmission positions, and M is smaller than N.

In this embodiment of the present application, as shown in fig. 11, the terminal device 800 further includes a processing unit 820 configured to:

and determining the synchronization signal block actually transmitted in the M synchronization signal blocks according to the first information and the second information.

It should be understood that the terminal device 800 may implement the corresponding operations of the method 400 implemented by the terminal device, and are not described herein for brevity.

Fig. 12 is a schematic block diagram of a terminal device 900 according to an embodiment of the present application. The terminal device 900 comprises a communication unit 910 for:

at least part of candidate transmission positions in M candidate transmission positions in a transmission window are used for receiving at least part of synchronous signal blocks in M synchronous signal blocks, and the starting position of the M candidate transmission positions is a first candidate starting position;

In the embodiment of the present application, the communication unit 910 is further configured to:

and receiving indication information, wherein the indication information indicates the first candidate starting position.

In an embodiment of the present application, the communication unit is further configured to:

and receiving first information, wherein the first information indicates transmission information of the M synchronous signal blocks, the transmission information indicates whether the synchronous signal blocks are transmitted, and the first information is carried through PDCCH, system information, a broadcast message or Radio Resource Control (RRC) signaling.

It should be understood that the terminal device 900 may implement the corresponding operations of the method 500 implemented by the terminal device, which are not described herein for brevity.

Fig. 13 is a schematic block diagram of a communication device 1000 according to an embodiment of the present application. The communication device 1000 shown in fig. 13 comprises a processor 1010, from which the processor 1010 may call and run a computer program to implement the method in the embodiments of the present application.

In one embodiment, as shown in fig. 10, the communication device 1000 may also include a memory 1020. Wherein the processor 1010 may call and run a computer program from the memory 1020 to implement the methods in embodiments of the present application.

The memory 1020 may be a separate device from the processor 1010 or may be integrated into the processor 1010.

In an embodiment, as shown in fig. 13, the communication device 1000 may further include a transceiver 1030, and the processor 1010 may control the transceiver 1030 to communicate with other devices, and in particular, may send information or data to other devices or receive information or data sent by other devices.

The transceiver 1030 may include, among other things, a transmitter and a receiver. The transceiver 1030 may further include an antenna, the number of which may be one or more.

In an embodiment, the communication device 1000 may be specifically a network device in the embodiment of the present application, and the communication device 1000 may implement corresponding flows implemented by the network device in each method in the embodiment of the present application, which are not described herein for brevity.

In an embodiment, the communication device 1000 may be specifically a mobile terminal/terminal device in the embodiment of the present application, and the communication device 1000 may implement corresponding processes implemented by the mobile terminal/terminal device in each method in the embodiment of the present application, which are not described herein for brevity.

Fig. 14 is a schematic structural diagram of a chip of an embodiment of the present application. The chip 1100 shown in fig. 14 includes a processor 1110, and the processor 1110 may call and run a computer program from a memory to implement the method in the embodiment of the present application.

In one embodiment, as shown in FIG. 14, the chip 1100 may also include a memory 1120. Wherein the processor 1110 may call and run a computer program from the memory 1120 to implement the methods in embodiments of the present application.

Wherein the memory 1120 may be a separate device from the processor 1110 or may be integrated into the processor 1110.

In an embodiment, the chip 1100 may also include an input interface 1130. The processor 1110 may control the input interface 1130 to communicate with other devices or chips, and in particular, may obtain information or data sent by the other devices or chips.

In an embodiment, the chip 1100 may further include an output interface 1140. Wherein the processor 1110 may control the output interface 1140 to communicate with other devices or chips, and in particular, may output information or data to other devices or chips.

In an embodiment, the chip may be applied to the network device in the embodiment of the present application, and the chip may implement a corresponding flow implemented by the network device in each method in the embodiment of the present application, which is not described herein for brevity.

In an embodiment, the chip may be applied to a mobile terminal/terminal device in the embodiment of the present application, and the chip may implement a corresponding flow implemented by the mobile terminal/terminal device in each method in the embodiment of the present application, which is not described herein for brevity.

It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, chip systems, or system-on-chip chips, etc.

Fig. 15 is a schematic block diagram of a communication system 1200 provided in an embodiment of the present application. As shown in fig. 15, the communication system 1200 includes a terminal device 1210 and a network device 1220.

The terminal device 1210 may be configured to implement the corresponding function implemented by the terminal device in the above method, and the network device 1220 may be configured to implement the corresponding function implemented by the network device in the above method, which are not described herein for brevity.

It should be appreciated that the processor of an embodiment of the present application may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method embodiments may be implemented by integrated logic circuits of hardware in a processor or instructions in software form. The processor may be a general purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present application may be implemented or performed. 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 embodiments of the present application may be embodied directly in hardware, in a decoded processor, or in a combination of hardware and software modules in a decoded processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor reads the information in the memory and, in combination with its hardware, performs the steps of the above method.

It will be appreciated that the memory in embodiments of the present application may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable EPROM (EEPROM), or a flash Memory. The volatile memory may be random access memory (Random Access Memory, RAM) which acts as an external cache. By way of example, and not limitation, many forms of RAM are available, such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (Double Data Rate SDRAM), enhanced SDRAM (ESDRAM), synchronous DRAM (SLDRAM), and Direct RAM (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.

It should be understood that the above memory is exemplary but not limiting, and for example, the memory in the embodiments of the present application may be Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), direct RAM (DR RAM), and the like. That is, the memory in embodiments of the present application is intended to comprise, without being limited to, these and any other suitable types of memory.

Embodiments of the present application also provide a computer-readable storage medium for storing a computer program.

In an embodiment, the computer readable storage medium may be applied to the network device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding flow implemented by the network device in each method in the embodiments of the present application, which is not described herein for brevity.

In an embodiment, the computer readable storage medium may be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program causes a computer to execute corresponding processes implemented by the mobile terminal/terminal device in the methods in the embodiments of the present application, which are not described herein for brevity.

Embodiments of the present application also provide a computer program product comprising computer program instructions.

In an embodiment, the computer program product may be applied to a network device in an embodiment of the present application, and the computer program instructions cause the computer to execute corresponding processes implemented by the network device in each method in the embodiment of the present application, which are not described herein for brevity.

In an embodiment, the computer program product may be applied to a mobile terminal/terminal device in an embodiment of the present application, and the computer program instructions cause the computer to execute corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, which are not described herein for brevity.

The embodiment of the application also provides a computer program.

In an embodiment, the computer program may be applied to the network device in the embodiment of the present application, and when the computer program runs on a computer, the computer is caused to execute corresponding processes implemented by the network device in each method in the embodiment of the present application, which is not described herein for brevity.

In an embodiment, the computer program may be applied to the mobile terminal/terminal device in the embodiments of the present application, and when the computer program runs on a computer, the computer is caused to execute corresponding processes implemented by the mobile terminal/terminal device in each method in the embodiments of the present application, which are not described herein for brevity.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.

In the several embodiments provided in this application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components 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 units, which may be in electrical, mechanical or other form.

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

In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.

The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.

The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A method of wireless communication, comprising:

the network equipment sends first information, wherein the first information indicates the sending information of M synchronous signal blocks, and the sending information indicates whether the synchronous signal blocks are sent or not;

the network device sends second information, wherein the second information indicates a first starting position, and the first starting position is a starting position corresponding to the M synchronous signal blocks in a transmission window, wherein the transmission window comprises N candidate sending positions, the M synchronous signal blocks correspond to the M candidate sending positions, and M is smaller than N;

the transmission window comprises P candidate initial positions, wherein the candidate initial positions are candidate transmission positions which can be used as initial positions of M candidate transmission positions corresponding to the M synchronous signal blocks in the N candidate transmission positions, the P candidate initial positions comprise the first initial position, and the P is larger than 1 and smaller than or equal to the N;

Wherein the number of candidate transmission positions spaced between every two candidate start positions in the P candidate start positions is the same;

wherein the number of candidate transmission positions spaced between every two candidate start positions in the P candidate start positions is less than or equal to the M, which is an integer multiple of the number of candidate transmission positions spaced between every two candidate start positions.

2. The method of claim 1, wherein the M candidate transmission locations are contiguous within the transmission window.

3. A method according to claim 1 or 2, characterized in that the first information indicates the transmission information of the M synchronization signal blocks by means of a bit map.

4. A method according to claim 3, wherein the first information indicates the transmission information in an index order of the M synchronization signal blocks.

5. The method according to claim 1 or 2, wherein the first information indicates the transmission information by a number of actually transmitted synchronization signal blocks among the M synchronization signal blocks or an end position of the actually transmitted synchronization signal blocks among the M candidate transmission positions.

6. The method of claim 5, wherein the candidate transmission locations occupied by the actually transmitted synchronization signal blocks comprise: at least one candidate transmission position, among the M candidate transmission positions, which is continuous with the first start position as a start point.

7. The method according to claim 1 or 2, wherein the second information indicates the first starting position by its position among the P candidate starting positions.

8. A method according to claim 1 or 2, characterized in that the transmission window starts from the last candidate start position of the P candidate start positions and comprises a number of candidate transmission positions which is larger than the number of candidate transmission positions which are spaced between every two candidate start positions of the P candidate start positions.

9. A method according to claim 1 or 2, wherein the transmission window starts from the last candidate start position of the P candidate start positions, and comprises a number of candidate transmission positions greater than or equal to the M.

10. A method according to claim 1 or 2, characterized in that the synchronization signal block is transmitted on an unlicensed spectrum.

11. The method of claim 10, wherein channel listening by the network device for transmission synchronization signals is successful prior to the first starting location.

12. The method according to claim 1 or 2, wherein the second information is carried by a physical downlink control channel, PDCCH, sent over the first starting location associated search space, by the first starting location associated sequence, or by the first starting location associated reference signal.

13. The method according to claim 1 or 2, characterized in that the first information is carried by PDCCH, system information, broadcast message or radio resource control, RRC, signalling.

14. A method of wireless communication, comprising:

the network equipment transmits at least part of synchronous signal blocks in M candidate transmission positions in a transmission window, wherein the starting position of the M candidate transmission positions is a first candidate starting position;

the transmission window comprises N candidate transmission positions, the N candidate transmission positions comprise P candidate initial positions, the candidate initial positions are candidate transmission positions which can be used as initial positions of M candidate transmission positions corresponding to the M synchronous signal blocks in the N candidate transmission positions, the first candidate initial positions belong to the P candidate initial positions, M is smaller than N, and P is larger than 1 and smaller than or equal to N;

15. The method of claim 14, wherein the transmission window starts from a last candidate start position of the P candidate start positions and includes a number of candidate transmission positions that is greater than a number of candidate transmission positions that are spaced between every two candidate start positions of the P candidate start positions.

16. The method according to claim 14 or 15, wherein the transmission window starts from the last candidate start position of the P candidate start positions, and comprises a number of candidate transmission positions greater than or equal to the M.

17. The method according to claim 14 or 15, characterized in that the synchronization signal block is transmitted on an unlicensed spectrum.

18. The method of claim 17, wherein channel listening by the network device for transmission synchronization signals is successful prior to the first candidate start position.

19. The method according to claim 14 or 15, characterized in that the method further comprises:

the network device sends indication information, wherein the indication information indicates the first candidate starting position.

20. The method of claim 19, wherein the indication information indicates the first candidate start position by a position of the first candidate start position among the P candidate start positions.

21. The method of claim 19, wherein the indication information is carried by a physical downlink control channel, PDCCH, sent over the search space associated with the first candidate starting location, carried by a sequence associated with the first candidate starting location, or carried by a reference signal associated with the first candidate starting location.

22. The method according to claim 14 or 15, wherein the network device transmits first information indicating transmission information of the M synchronization signal blocks, the transmission information indicating whether the synchronization signal blocks are transmitted, the first information being carried through PDCCH, system information, broadcast message or radio resource control RRC signaling.

23. A method of wireless communication, comprising:

the terminal equipment receives first information, wherein the first information indicates transmission information of M synchronous signal blocks, and the transmission information indicates whether the synchronous signal blocks are transmitted or not;

the terminal equipment receives second information, wherein the second information indicates a first starting position, and the first starting position is a starting position corresponding to M synchronous signal blocks in a transmission window, wherein the transmission window comprises N candidate sending positions, the M synchronous signal blocks correspond to M candidate sending positions, and M is smaller than N;

24. The method of claim 23, wherein the M candidate transmission locations are contiguous within the transmission window.

25. The method according to claim 23 or 24, wherein the first information indicates transmission information of the M synchronization signal blocks by means of a bit map.

26. The method of claim 25, wherein the first information indicates the transmission information in an index order of the M sync signal blocks.

27. The method according to claim 23 or 24, wherein the first information indicates the transmission information by a number of actually transmitted synchronization signal blocks among the M synchronization signal blocks or an end position of the actually transmitted synchronization signal blocks among the M candidate transmission positions.

28. The method of claim 27, wherein the candidate transmission locations occupied by the actually transmitted synchronization signal blocks comprise: at least one candidate transmission position, among the M candidate transmission positions, which is continuous with the first start position as a start point.

29. The method according to claim 23 or 24, wherein the second information indicates the first starting position by its position among the P candidate starting positions.

30. The method according to claim 23 or 24, wherein the transmission window starts from the last candidate start position of the P candidate start positions, and comprises a number of candidate transmission positions that is larger than the number of candidate transmission positions that are spaced between every two candidate start positions of the P candidate start positions.

31. The method according to claim 23 or 24, wherein the transmission window starts from the last candidate start position of the P candidate start positions, comprising a number of candidate transmission positions greater than or equal to the M.

32. The method according to claim 23 or 24, wherein the synchronization signal block is transmitted over an unlicensed spectrum.

33. The method according to claim 23 or 24, wherein the second information is carried by a physical downlink control channel, PDCCH, sent over the first starting location associated search space, by the first starting location associated sequence, or by the first starting location associated reference signal.

34. The method according to claim 23 or 24, wherein the first information is carried by PDCCH, system information, broadcast message or radio resource control, RRC, signalling.

35. The method according to claim 23 or 24, characterized in that the method further comprises:

and the terminal equipment determines the synchronization signal block actually transmitted in the M synchronization signal blocks according to the first information and the second information.

36. A method of wireless communication, comprising:

at least part of candidate transmission positions in M candidate transmission positions in a transmission window of the terminal equipment are used for receiving at least part of synchronous signal blocks in M synchronous signal blocks, and the starting position of the M candidate transmission positions is a first candidate starting position;

37. The method of claim 36, wherein the transmission window starts from a last candidate start position of the P candidate start positions and includes a greater number of candidate transmit positions than a number of candidate transmit positions spaced between every two candidate start positions of the P candidate start positions.

38. The method according to claim 36 or 37, wherein the transmission window starts from the last candidate start position of the P candidate start positions, and comprises a number of candidate transmission positions greater than or equal to the M.

39. The method of claim 36 or 37, wherein the synchronization signal block is transmitted over an unlicensed spectrum.

40. The method according to claim 36 or 37, wherein the method further comprises:

the terminal equipment receives indication information, wherein the indication information indicates the first candidate starting position.

41. The method of claim 40, wherein the indication information indicates the first candidate start position by a position of the first candidate start position among the P candidate start positions.

42. The method of claim 40, wherein the indication information is carried over a physical downlink control channel, PDCCH, sent in the search space associated with the first candidate starting location, carried over a sequence associated with the first candidate starting location, or carried over a reference signal associated with the first candidate starting location.

43. The method according to claim 36 or 37, characterized in that the terminal device receives first information indicating transmission information of the M synchronization signal blocks, the transmission information indicating whether the synchronization signal blocks are transmitted, the first information being carried by PDCCH, system information, broadcast message or radio resource control RRC signaling.

44. A network device comprising a communication unit configured to:

transmitting second information, wherein the second information indicates a first starting position, and the first starting position is a starting position corresponding to the M synchronous signal blocks in a transmission window, wherein the transmission window comprises N candidate transmission positions, the M synchronous signal blocks correspond to the M candidate transmission positions, and M is smaller than N;

45. The network device of claim 44, wherein the M candidate transmission locations are contiguous within the transmission window.

46. The network device of claim 44 or 45, wherein the first information indicates transmission information of the M synchronization signal blocks by means of a bit map.

47. The network device of claim 46, wherein the first information indicates the transmission information in an index order of the M synchronization signal blocks.

48. The network device of claim 44 or 45, wherein the first information indicates the transmission information by a number of actually transmitted synchronization signal blocks among the M synchronization signal blocks or an end position of the actually transmitted synchronization signal blocks among the M candidate transmission positions.

49. The network device of claim 48, wherein the candidate transmission locations occupied by the actually transmitted synchronization signal blocks comprise: at least one candidate transmission position, among the M candidate transmission positions, which is continuous with the first start position as a start point.

50. The network device of claim 44 or 45, wherein the second information indicates the first starting location by its position among the P candidate starting locations.

51. The network device of claim 44 or 45, wherein the transmission window includes a number of candidate transmission positions that is greater than a number of candidate transmission positions that are spaced between every two of the P candidate start positions, starting from a last candidate start position of the P candidate start positions.

52. The network device of claim 44 or 45, wherein the transmission window includes a number of candidate transmission positions greater than or equal to the M starting from a last candidate start position of the P candidate start positions.

53. The network device of claim 44 or 45, wherein the synchronization signal block is transmitted over an unlicensed spectrum.

54. The network device of claim 53, wherein channel listening by the network device for transmission synchronization signals is successful prior to the first starting location.

55. The network device of claim 44 or 45, wherein the second information is carried over a physical downlink control channel, PDCCH, sent in the first starting location associated search space, carried over the first starting location associated sequence, or carried over the first starting location associated reference signal.

56. The network device of claim 44 or 45, wherein the first information is carried by PDCCH, system information, broadcast message or radio resource control RRC signaling.

57. A network device comprising a communication unit configured to:

58. The network device of claim 57, wherein the transmission window starts from a last candidate start position of the P candidate start positions and includes a greater number of candidate transmit positions than a number of candidate transmit positions spaced between every two candidate start positions of the P candidate start positions.

59. The network device of claim 57 or 58, wherein the transmission window includes a number of candidate transmission positions greater than or equal to the M starting from a last candidate start position of the P candidate start positions.

60. The network device of claim 57 or 58, wherein the synchronization signal block is transmitted over an unlicensed spectrum.

61. The network device of claim 60, wherein channel listening by the network device for transmission synchronization signals is successful prior to the first candidate start location.

62. The network device of claim 57 or 58, wherein the communication unit is further configured to:

63. The network device of claim 62, wherein the indication information indicates the first candidate start location by a position of the first candidate start location among the P candidate start locations.

64. The network device of claim 62, wherein the indication information is carried over a physical downlink control channel, PDCCH, sent in the search space associated with the first candidate starting location, carried over a sequence associated with the first candidate starting location, or carried over a reference signal associated with the first candidate starting location.

65. The network device of claim 57 or 58, wherein the communication unit is further configured to:

66. A terminal device, comprising a communication unit for:

receiving second information, wherein the second information indicates a first starting position, and the first starting position is a starting position corresponding to the M synchronous signal blocks in a transmission window, wherein the transmission window comprises N candidate transmission positions, the M synchronous signal blocks correspond to the M candidate transmission positions, and M is smaller than N;

67. The terminal device of claim 66, wherein the M candidate transmission locations are consecutive within the transmission window.

68. The terminal device according to claim 66 or 67, wherein said first information indicates transmission information of said M synchronization signal blocks by means of a bit map.

69. The terminal device of claim 68, wherein the first information indicates the transmission information in an index order of the M synchronization signal blocks.

70. The terminal device of claim 66 or 67, wherein the first information indicates the transmission information by a number of actually transmitted synchronization signal blocks of the M synchronization signal blocks or an end position of the actually transmitted synchronization signal blocks in the M candidate transmission positions.

71. The terminal device of claim 70, wherein the candidate transmission locations occupied by the actually transmitted synchronization signal blocks include: at least one candidate transmission position, among the M candidate transmission positions, which is continuous with the first start position as a start point.

72. The terminal device of claim 66 or 67, wherein the second information indicates the first starting position by its position among the P candidate starting positions.

73. The terminal device of claim 66 or 67, wherein the transmission window includes a number of candidate transmission positions, starting from a last candidate start position of the P candidate start positions, that is greater than a number of candidate transmission positions spaced between every two candidate start positions of the P candidate start positions.

74. The terminal device of claim 66 or 67, wherein the transmission window includes a number of candidate transmission positions greater than or equal to the M, starting from a last candidate start position of the P candidate start positions.

75. The terminal device of claim 66 or 67, wherein the synchronization signal block is transmitted over an unlicensed spectrum.

76. The terminal device of claim 66 or 67, wherein the second information is carried by a physical downlink control channel, PDCCH, sent over the first starting location associated search space, by a sequence associated with the first starting location, or by a reference signal associated with the first starting location.

77. The terminal device of claim 66 or 67, wherein the first information is carried by PDCCH, system information, broadcast message or radio resource control, RRC, signaling.

78. The terminal device of claim 66 or 67, further comprising a processing unit configured to:

79. A terminal device, comprising a communication unit for:

80. The terminal device of claim 79, wherein the transmission window starts from a last candidate start position of the P candidate start positions and includes a greater number of candidate transmit positions than a number of candidate transmit positions spaced between every two candidate start positions of the P candidate start positions.

81. The terminal device of claim 79 or 80, wherein the transmission window starts from a last candidate start position of the P candidate start positions, and comprises a number of candidate transmission positions greater than or equal to the M.

82. The terminal device of claim 79 or 80, wherein the synchronization signal block is transmitted over an unlicensed spectrum.

83. The terminal device of claim 79 or 80, wherein the communication unit is further configured to:

84. The terminal device of claim 83, wherein the indication information indicates the first candidate start position by a position of the first candidate start position among the P candidate start positions.

85. The terminal device of claim 83, wherein the indication information is carried by a physical downlink control channel, PDCCH, sent through a search space associated with the first candidate start location, carried by a sequence associated with the first candidate start location, or carried by a reference signal associated with the first candidate start location.

86. The terminal device of claim 79 or 80, wherein the communication unit is further configured to:

87. A network device, comprising: a processor and a memory for storing a computer program, the processor being for invoking and running the computer program stored in the memory, performing the method of any of claims 1 to 22.

88. A terminal device, comprising: a processor and a memory for storing a computer program, the processor being for invoking and running the computer program stored in the memory, performing the method of any of claims 23 to 43.

89. A chip, comprising: a processor for calling and running a computer program from a memory, causing a device on which the chip is mounted to perform the method of any one of claims 1 to 22.

90. A chip, comprising: a processor for calling and running a computer program from a memory, causing a device on which the chip is mounted to perform the method of any of claims 23 to 43.

91. A computer readable storage medium storing a computer program for causing a computer to perform the method of any one of claims 1 to 22.

92. A computer readable storage medium storing a computer program for causing a computer to perform the method of any one of claims 23 to 43.