CN114586429A

CN114586429A - Wireless communication method, terminal equipment and network equipment

Info

Publication number: CN114586429A
Application number: CN201980100149.8A
Authority: CN
Inventors: 田文强
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2022-06-03
Also published as: WO2021072591A1

Abstract

The embodiment of the application provides a wireless communication method, terminal equipment and network equipment, which can determine the sub-band where the CORESET of the RMSI is located under the condition that an SSB and the CORESET of the RMSI are located in different sub-bands. The wireless communication method includes: the terminal equipment receives a first SSB in a first cell; and the terminal equipment determines a second sub-band according to the first sub-band, wherein the first sub-band is the sub-band where the first SSB is located, and the second sub-band is the sub-band where the control resource set of the RMSI in the first cell is located.

Description

Wireless communication method, terminal equipment and network equipment

Technical Field

The embodiments of the present application relate to the field of communications, and in particular, to a wireless communication method, a terminal device, and a network device.

Background

In a New wireless (5-Generation New Radio, 5G NR) system of the fifth Generation mobile communication technology, for a cell in which a Synchronization signal block (SS/PBCH block, SSB) and a Control-resource set (CORESET) of Remaining Minimum System Information (RMSI) are within the same specific subband, the resource location of the CORESET of RMSI in the cell system information can be determined by the SSB on a Synchronization raster (SS raster) point. However, for some cells, the core sets of the SSB and the RMSI may be in different sub-bands, and how to determine the sub-band where the core sets of the RMSI are located when the core sets of the SSB and the RMSI are in different sub-bands is an urgent problem to be solved.

Disclosure of Invention

The embodiment of the application provides a wireless communication method, terminal equipment and network equipment, which can determine the sub-band where the CORESET of the RMSI is located under the condition that an SSB and the CORESET of the RMSI are located in different sub-bands.

In a first aspect, a wireless communication method is provided, and the method includes:

the terminal equipment receives a first SSB in a first cell;

the terminal device determines a second sub-band according to a first sub-band, where the first sub-band is a sub-band where the first SSB is located, and the second sub-band is a sub-band where a control resource set of the RMSI in the first cell is located.

In a second aspect, a wireless communication method is provided, the method comprising:

the terminal equipment receives a first SSB in a first cell, wherein the first SSB comprises first indication information, and the first indication information is used for indicating frequency domain bandwidth information of the first cell;

the terminal equipment determines the frequency domain bandwidth of the first cell according to the first indication information;

the terminal device determines that the subband where the first synchronization grid in the frequency domain bandwidth of the first cell is located is the subband where the control resource set of the RMSI is located.

In a third aspect, a wireless communication method is provided, the method comprising:

the network equipment sends a first SSB in a first cell;

the network device determines a second sub-band according to the first sub-band, where the first sub-band is a sub-band where the first SSB is located, and the second sub-band is a sub-band where a control resource set of the RMSI in the first cell is located.

In a fourth aspect, a wireless communication method is provided, the method comprising:

the network equipment sends a first SSB in a first cell, wherein the first SSB comprises first indication information which is used for indicating frequency domain bandwidth information of the first cell;

the network equipment determines the frequency domain bandwidth of the first cell according to the first indication information;

the network device determines that the subband where the first synchronization grid in the frequency domain bandwidth of the first cell is located is the subband where the control resource set of the RMSI is located.

In a fifth aspect, a terminal device is provided, configured to perform the method in the first aspect or each implementation manner thereof.

Specifically, the terminal device includes a functional module for executing the method in the first aspect or each implementation manner thereof.

In a sixth aspect, a terminal device is provided for executing the method in the second aspect or its implementation manners.

In particular, the terminal device comprises functional modules for performing the methods of the second aspect or its implementations.

In a seventh aspect, a network device is provided, configured to perform the method in the third aspect or each implementation manner thereof.

In particular, the network device comprises functional modules for performing the method of the third aspect or its implementations.

In an eighth aspect, a network device is provided for executing the method in the fourth aspect or its implementation manners.

In particular, the network device comprises functional modules for performing the methods of the fourth aspect or its implementations.

In a ninth aspect, a terminal device is provided that includes a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory, and executing the method in the first aspect or each implementation manner thereof.

In a tenth aspect, a terminal device is provided that includes a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory, and executing the method of the second aspect or each implementation mode thereof.

In an eleventh aspect, a network device is provided that includes a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory, and executing the method in the third aspect or each implementation manner thereof.

In a twelfth aspect, a network device is provided that includes a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory, and executing the method in the fourth aspect or each implementation manner thereof.

In a thirteenth aspect, there is provided an apparatus for implementing the method in any one of the first to fourth aspects or implementations thereof.

Specifically, the apparatus includes: a processor configured to call and run the computer program from the memory, so that the apparatus on which the apparatus is installed performs the method according to any one of the first to fourth aspects or the implementation manners thereof.

In a fourteenth aspect, a computer-readable storage medium is provided for storing a computer program, the computer program causing a computer to perform the method of any one of the first to fourth aspects or implementations thereof.

In a fifteenth aspect, a computer program product is provided, comprising computer program instructions for causing a computer to perform the method of any one of the first to fourth aspects or implementations thereof.

In a sixteenth 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 or implementations thereof.

Through the technical scheme of the first aspect or the third aspect, the subband where the control resource set of the RMSI is located can be determined based on the subband where the first SSB is located, so that the position of the CORESET of the RMSI can be determined under the condition that the SSB and the CORESET of the RMSI are located in different subbands, and the flexibility of the transmission position of the SSB is improved.

By the technical solution of the second aspect or the fourth aspect, the frequency domain bandwidth of the first cell may be determined based on the first indication information in the first SSB, and the subband where the first synchronization grid in the frequency domain bandwidth of the first cell is located is determined as the subband where the control resource set of the RMSI is located, so that the position of the CORESET of the RMSI may be determined when the SSB and the CORESET of the RMSI are located in different subbands, thereby improving flexibility of the SSB transmission position, and in addition, the flexibility is also favorable for avoiding resource collision between the control information and the data information of the SSB and the RMSI.

Drawings

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

Fig. 2 is a schematic diagram of three location relationships of SSBs and sets of control resources of RMSIs provided in an embodiment of the present application.

Fig. 3 is a schematic diagram of SSB and RMSI controlling resource sets located in the same subband according to an embodiment of the present disclosure.

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

Fig. 5 is a schematic diagram of the SSB and the RMSI controlling resource sets located in different sub-bands according to the embodiment of the present disclosure.

Fig. 6 is a schematic flow chart of another wireless communication method provided in an embodiment of the present application.

Fig. 7 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.

Fig. 8 is a schematic block diagram of another terminal device provided according to an embodiment of the present application.

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

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

Fig. 11 is a schematic block diagram of a communication device provided according to an embodiment of the present application.

Fig. 12 is a schematic block diagram of an apparatus provided according to an embodiment of the present application.

Fig. 13 is a schematic block diagram of a communication system provided according to an embodiment of the present application.

Detailed Description

Technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without making any creative effort with respect to the embodiments in the present application belong to the protection scope of the present application.

The embodiment of the application can be applied to various communication systems, such as: global System for Mobile communications (GSM) System, Code Division Multiple Access (CDMA) System, Wideband Code Division Multiple Access (WCDMA) System, General Packet Radio Service (GPRS), Long Term Evolution (Long Term Evolution, LTE) System, LTE-a System, New Radio (NR) System, Evolution System of NR System, LTE-a System over unlicensed spectrum, NR (NR-b) System, UMTS (Universal Mobile telecommunications System), UMTS (UMTS) System, WLAN-b System over unlicensed spectrum, WiFi-b System, Wireless Local Area Network (WLAN) System, Wireless Local Area network (WiFi) System, GPRS (General Packet Radio Service, GPRS) System, GPRS (GPRS) System, LTE-b System, LTE-a System, NR System, LTE-b System over unlicensed spectrum, and LTE-b System over unlicensed spectrum, Next generation communication systems or other communication systems, etc.

Generally, conventional Communication systems support a limited number of connections and are easy to implement, however, with the development of Communication technology, mobile Communication systems will support not only conventional Communication, but also, for example, Device-to-Device (D2D) Communication, Machine-to-Machine (M2M) Communication, Machine Type Communication (MTC), and Vehicle-to-Vehicle (V2V) Communication, etc., and the embodiments of the present application can also be applied to these Communication systems.

Optionally, the communication system in the embodiment of the present application may be applied to a Carrier Aggregation (CA) scenario, may also be applied to a Dual Connectivity (DC) scenario, and may also be applied to an independent (SA) networking scenario.

The application spectrum is not limited in the embodiments of the present application. For example, the embodiments of the present application may be applied to a licensed spectrum and may also be applied to an unlicensed spectrum.

Illustratively, a communication system 100 applied in the embodiment of the present application 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, a terminal). Network device 110 may provide communication coverage for a particular geographic area and may communicate with terminal devices located within that coverage area.

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

Optionally, 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 the embodiments 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 having a communication function, and the network device 110 and the terminal device 120 may be the 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 other network entities, for example, a network controller, a mobility management entity, and the like, which is not limited in this embodiment.

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

The embodiments of the present application are described in conjunction with a terminal device and a network device, where: a terminal device may also be referred to as a User Equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a User terminal, a wireless communication device, a User agent, or a User Equipment, etc. The terminal device may be a Station (ST) in a WLAN, and may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA) device, a handheld device with Wireless communication function, a computing device or other processing device connected to a Wireless modem, a vehicle-mounted device, a wearable device, and a next generation communication system, for example, a terminal device in an NR Network or a terminal device in a future evolved Public Land Mobile Network (PLMN) Network, and the like.

By way of example and not limitation, in the embodiments of the present application, the terminal device may also be a wearable device. Wearable equipment can also be called wearable intelligent equipment, is the general term of applying wearable technique to carry out intelligent design, develop the equipment that can dress to daily wearing, like glasses, gloves, wrist-watch, dress and shoes etc.. A wearable device is a portable device that is worn directly on the body or integrated into the clothing or accessories of the user. The wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction and cloud interaction. The generalized wearable smart device includes full functionality, large size, and can implement full or partial functionality without relying on a smart phone, such as: smart watches or smart glasses and the like, and only focus on a certain type of application functions, and need to be used in cooperation with other devices such as smart phones, such as various smart bracelets for physical sign monitoring, smart jewelry and the like.

The network device may be a device for communicating with a mobile device, and the network device may be an Access Point (AP) in a WLAN, a Base Station (BTS) in GSM or CDMA, a Base Station (NodeB, NB) in WCDMA, an evolved Node B (eNB, eNodeB) in LTE, a relay Station or an Access Point, or a network device or a Base Station (gNB) in a vehicle-mounted device, a wearable device, and an NR network, or a network device in a PLMN network for future evolution.

In this embodiment, a network device provides a service for a cell, and a terminal device communicates with the network device through a transmission resource (for example, a frequency domain resource or a spectrum resource) used by the cell, where the cell may be a cell corresponding to the network device (for example, a base station), and the cell may belong to a macro base station or a base station corresponding to a Small cell (Small cell), where the Small cell may include: urban cells (Metro cells), Micro cells (Micro cells), Pico cells (Pico cells), Femto cells (Femto cells), and the like, and the small cells have the characteristics of small coverage area and low transmission power, and are suitable for providing high-rate data transmission services.

The CORESET that can determine the RMSI in the cell System Information through the SSB at the synchronization grid (raster) point is defined in the 5G NR, where the RMSI is a term of the physical layer and may also be referred to as a System Information Block (SIB) 1.

First, in the cell search process of 5G NR, the UE can determine the location of the SSB through a synchronization trigger point predefined by the protocol. Then, the UE may determine the location of the CORESET of the RMSI based on the indication of the limited and specific offset, with reference to the determined frequency domain location of the SSB deployed on the synchronous raster frequency point.

Specifically, in 5G NR, as shown in fig. 2, the relationship between SSB and the CORESET of RMSI may be as follows:

case 1 corresponds to the relationship that the CORESET of SSB and RMSI is time division multiplexing mode (TDM);

case 2 corresponds to the core set of SSB and RMSI being a relatively fixed relationship and not overlapping in the time and frequency domains;

case 3 corresponds to the core set of SSB and RMSI being in a relatively fixed relationship and a Frequency-division multiplexing (FDM) relationship.

For the above three relations, in the 5G NR, the UE determines the location of the core set of the RMSI through a field in a Master Information Block (MIB) message. Wherein the field consists of 8 bits (bits), wherein 4 bits are used to determine the information of the CORESET and the other 4 bits are used to confirm the information of the search space. Specifically for the information indicating the CORESET, for the three cases in fig. 2, the UE may obtain the CORESET correspondence of the SSB and the RMSI in the current case, the frequency domain resource size of the CORESET (resource block, RB) number, the time domain resource size of the CORESET (Symbol) number, and the relative frequency domain Offset (Offset) of the SSB and the CORESET of the RMSI. It is particularly noted that the offset is defined as the offset between the smallest RB number of CORESET to the RB number of the smallest Common Resource Block (CRB) overlapping with the first RB of the SSB, which is simply the offset of the CORESET of RMSI with respect to the SSB, and the SSB is used to define the SSB of the cell, which is the SSB transmitted on the synchronous ras frequency point.

The above method of determining the resource location of the CORESET of RMSI based on SSB at the synchronous raster point works well in 5G systems. However, it should be noted that the method for determining the resource location of the CORESET of the RMSI by synchronizing SSBs on the reader point in the 5G system can be applied on the premise that: the SSB is located on the synchronous raster. That is, only when the UE finds an SSB on the synchronization filter frequency point, the location of the corresponding CORESET can be determined based on the SSB.

The above assumption is the basis of the design of 5G NR, but in the unlicensed band, the above assumption and design will not be applicable because of the need to find the cell on the non-synchronized rat frequency and determine the SIB information of the cell.

Since the unlicensed frequency band is a shared frequency band, different operators or companies may share the same frequency band or frequency point, and at this time, each network user may utilize limited channel resources in a competitive manner. A new problem occurring at this time is that if two operators a and B have Cell IDs 25(a) and 25(B) with the same Cell ID deployed in the same frequency, and both of the two cells are used as secondary cells, their synchronization signals or SSBs may be deployed and transmitted on the frequency point of the non-synchronized reader, and in this case, for a certain UE, there is also a need to determine network information such as PLMN, Cell Global Identity (CGI), or Global Cell Identity (Identity, ID) information through SIB1 or other broadcast messages, because only this way, different operator information can be distinguished, and then the problems of Cell confusion and potential wrong scheduling caused by different operators deploying cells with the same Cell ID in the same frequency are avoided.

One possible solution is to constrain the frequency bin position of only one synchronization grid (SS aster) in each sub-band, after the UE detects the SSB in a certain sub-band, the UE determines the SS aster position in the sub-band, and then the UE uses the SS aster position or a specific position associated with the SS aster as a corresponding reference point (e.g. reference SSB), and obtains the resource location of the CORESET of the RMSI based on the reference point, as shown in fig. 3.

The scheme shown in fig. 3 assumes that the CORESET of SSB and RMSI are within the same specific sub-band, e.g., when the sub-band is 20MHz, the UE can determine the unique SS trigger position within the sub-band by the SSB position. However, when a cell is 80MHz, for example, the base station can completely transmit SSB in the first 20MHz sub-band and transmit the CORESET of RMSI in the other 20MHz sub-band, which is beneficial to avoid resource collision between SSB and RMSI control information and SSB and RMSI data information caused in one sub-band. In the above situation, after the UE detects an SSB, it cannot determine where the resource location of the control information and the data information of the RMSI is located, for example, where the subband where the RMSI is located, and thus cannot determine the location of the core of the RMSI.

Based on the technical problem, the application provides a method for determining the location of the RMSI based on the SSB between different sub-bands.

The scheme of determining the CORESET position of the RMSI based on the SSB between different sub-bands, which is designed for the above technical problem, is described in detail below.

Fig. 4 is a schematic flow chart of a wireless communication method 200 according to an embodiment of the present application, and as shown in fig. 4, the method 200 may include some or all of the following:

s210, the network equipment sends a first SSB in a first cell;

s220, the terminal equipment receives the first SSB in the first cell;

s230, the terminal device determines a second sub-band according to a first sub-band, where the first sub-band is a sub-band where the first SSB is located, and the second sub-band is a sub-band where a control resource set of the RMSI in the first cell is located;

s240, the network device determines a second sub-band according to the first sub-band, where the first sub-band is a sub-band where the first SSB is located, and the second sub-band is a sub-band where a control resource set of the RMSI in the first cell is located.

It should be noted that, in the embodiment of the present application, in the case that the terminal device executes step S230, the network device does not necessarily execute step S240. Similarly, in the case where the network device performs step S240, the terminal device does not necessarily perform step S230.

In the embodiment of the present application, the wireless communication method 200 may be applied to an unlicensed frequency band or a licensed frequency band.

Optionally, in this embodiment, the first sub-band and the second sub-band are different sub-bands. That is, the network device sends the control resource sets of the first SSB and the RMSI on different subbands in the first cell, respectively.

Optionally, after determining the second subband, the terminal device may determine the location of the set of control resources of the RMSI according to the relative frequency domain offset between the reference SSB and the set of control resources of the RMSI in the second subband and the location information of the reference SSB.

Similarly, after determining the second subband, the network device may determine the location of the set of control resources of the RMSI based on the relative frequency domain offset between the reference SSB and the set of control resources of the RMSI in the second subband and the location information of the reference SSB.

Optionally, in this embodiment of the present application, a frequency domain bandwidth of the first cell is greater than or equal to 20 MHz.

For example, the frequency domain bandwidth of the first cell is 40MHz, 60MHz or 80 MHz.

A 40MHz cell may be, for example, 220 MHz sub-bands, e.g., denoted as sub-band 0 and sub-band 1, respectively. A 60MHz cell may be, for example, 320 MHz sub-bands, e.g., denoted as sub-band 0, sub-band 1, and sub-band 2, respectively. An 80MHz cell may be, for example, 420 MHz sub-bands, e.g., denoted as sub-band 0, sub-band 1, sub-band 2, and sub-band 3, respectively.

Optionally, in this embodiment, the network device may transmit the first SSB on a synchronous grid or an asynchronous grid in the first cell. That is, the terminal device may receive the first SSB on a synchronous or non-synchronous grid in the first cell.

Further, the network device may transmit the first SSB on a frequency point of a synchronous grid or a frequency point of an asynchronous grid in the first cell. That is, the terminal device may receive the first SSB on a frequency point of a synchronous grid or a frequency point of an asynchronous grid in the first cell.

It should be noted that the network device may send the first SSB by broadcasting a system message, and the terminal device may receive the first SSB by detecting a system message.

Optionally, as example 1, the terminal device receives first indication information sent by the network device, where the first indication information is used to indicate an offset between the second subband and the first subband.

In example 1, the terminal device determines the second sub-band from the first sub-band and the first indication information.

In example 1, the network device determines the second sub-band based on the first sub-band and the first indication information.

Optionally, as example 2, the terminal device receives first indication information sent by the network device, where the first indication information is used to indicate an offset between a subband where the first reference SSB is located and the first subband, where the first reference SSB and the set of control resources of the RMSI are located in the same subband, or a first correspondence exists between the subband where the first reference SSB is located and the second subband.

In example 2, the terminal device determines the sub-band where the first reference SSB is located according to the first sub-band and the first indication information, and the terminal device determines the second sub-band according to the sub-band where the first reference SSB is located.

In example 2, the network device determines, according to the first sub-band and the first indication information, a sub-band in which the first reference SSB is located, and the network device determines the second sub-band according to the sub-band in which the first reference SSB is located.

Optionally, in example 2, the first corresponding relationship is pre-configured, or the first corresponding relationship is configured by a network device, or the first corresponding relationship is indicated by the first indication information.

Optionally, as example 3, the terminal device receives first indication information sent by the network device, where the first indication information is used to indicate an offset between a subband where a first synchronization grid is located and the first subband, where the first synchronization grid and the set of control resources of the RMSI are located in the same subband, or a second correspondence exists between the subband where the first synchronization grid is located and the second subband.

In example 3, the terminal device determines the sub-band where the first synchronization grid is located according to the first sub-band and the first indication information, and the terminal device determines the second sub-band according to the sub-band where the first synchronization grid is located.

In example 3, the network device determines the sub-band where the first synchronization grid is located according to the first sub-band and the first indication information, and the network device determines the second sub-band according to the sub-band where the first synchronization grid is located.

Optionally, in example 3, the second correspondence is pre-configured, or the second correspondence is configured by a network device, or the second correspondence is indicated by the first indication information.

Optionally, in examples 1 to 3, the first indication Information is carried in a payload (payload) of a Physical Broadcast Channel (PBCH) in the first cell, or the first indication Information is carried in a Master Information Block (MIB) in the first cell.

Optionally, as example 4, the terminal device receives second indication information and third indication information sent by the network device, where the second indication information is used to indicate the identifier of the first sub-band, and the third indication is used to indicate the identifier of the second sub-band.

In example 4, the terminal device determines the second sub-band according to the first sub-band, the second indication information and the third indication information.

In example 4, the network device determines the second sub-band based on the first sub-band, the second indication information, and the third indication information.

Optionally, in example 4, the second indication information and/or the third indication information is carried in a load of a PBCH in the first cell, or the second indication information and/or the third indication information is carried in a MIB in the first cell.

Optionally, as example 5, the terminal device receives fourth indication information sent by the network device, where the fourth indication information is used to indicate the identifier of the first sub-band and the identifier of the second sub-band.

In example 5, the terminal device determines the second sub-band from the first sub-band and the fourth indication information.

In example 5, the network device determines the second sub-band based on the first sub-band and the fourth indication information.

Optionally, in example 5, the fourth indication information is carried in a load of a PBCH in the first cell, or the fourth indication information is carried in a MIB in the first cell.

Optionally, as embodiment 1, as shown in fig. 5, a frequency domain bandwidth of a first cell is 80MHz, the first cell is treated as 420 MHz sub-bands, the network device sends an SSB in the first 20MHz sub-band, and sends a CORESET of RMSI in the third 20MHz sub-band, and the network device may indicate, through the first indication information, that the CORESET of RMSI is located in the third 20MHz sub-band.

For example, the first indication information is carried in a load of PBCH in the first cell, or the first indication information is carried in MIB in the first cell.

Alternatively, in embodiment 1, the network device may indicate, by using 3 bits of the first indication information, an offset between the subband where the core set of the RMSI is located and the subband where the SSB is located, as shown in table 1. For example, in embodiment 1, the value of the first indication information is 101, that is, 2 upward subbands where the SSB is located are subbands where the CORESET of the RMSI is located.

TABLE 1

In table 1, 3 indicates that 3 sub-bands below the sub-band where the SSB is located are the sub-bands where the CORESET of the RMSI is located, 2 sub-bands below the sub-band where the SSB is located are the sub-bands where the CORESET of the RMSI is located, 1 indicates that 1 sub-band below the sub-band where the SSB is located is the sub-band where the CORESET of the RMSI is located, 0 indicates that the sub-band where the SSB is located is the sub-band where the CORESET of the RMSI is located, 1 indicates that 1 sub-band above the sub-band where the SSB is located is the sub-band where the CORESET of the RMSI is located, 2 indicates that 2 sub-bands above the sub-band where the SSB is located is the sub-band where the CORESET of the RMSI is located, and 3 indicates that 3 sub-bands above the sub-band where the SSB is located.

It should be understood that k subbands up refer to subbands from smaller to larger in frequency and k subbands down refer to subbands from larger to smaller in frequency.

In table 1, the first indication information is 111, which indicates a core set without RMSI, that is, the network device does not send RMSI in the first cell, that is, does not send control information and data information of RMSI in the first cell.

It should be noted that, in table 1, the correspondence between the offset between the subband where the CORESET of the RMSI is located and the subband where the SSB is located and the value of the first indication information is merely an example, and a specific correspondence may be flexibly configured according to actual requirements, which is not limited in this application.

Alternatively, in embodiment 1, the network device may indicate the offset between the subband where the first reference SSB is located and the subband where the SSB is located through the 3-bit first indication information, as shown in table 2. The first reference SSB and the RMSI control resource set are in the same subband, or a first correspondence exists between the subband in which the first reference SSB is located and the subband in which the RMSI control resource set is located. And the terminal equipment determines the sub-band where the control resource set of the RMSI is located according to the sub-band where the first reference SSB is located. And the network equipment determines the sub-band where the control resource set of the RMSI is located according to the sub-band where the first reference SSB is located. For example, in embodiment 1, the value of the first indication information is 101, that is, 2 upward subbands of the subband where the SSB is located are subbands where the first reference SSB is located. Optionally, the first corresponding relationship is preconfigured, or the first corresponding relationship is configured by a network device, or the first corresponding relationship is indicated by the first indication information.

TABLE 2

In table 2, 3 indicates that 3 subbands below the subband where the SSB is located are the subbands where the first reference SSB is located, -2 indicates that 2 subbands below the subband where the SSB is located are the subbands where the first reference SSB is located, -1 indicates that 1 subband below the subband where the SSB is located is the subband where the first reference SSB is located, 0 indicates that the subband where the SSB is located is the subband where the first reference SSB is located, 1 indicates that 1 subband above the subband where the SSB is located is the subband where the first reference SSB is located, 2 indicates that 2 subbands above the subband where the SSB is located are the subbands where the first reference SSB is located, and 3 indicates that 3 subbands above the subband where the SSB is located are the subbands where the first reference SSB is located.

It should be understood that k subbands going up refer to subbands going from smaller to larger in frequency and k subbands going down refer to subbands going from larger to smaller in frequency.

In table 2, the first indication information is 111, which indicates a core set without RMSI, that is, the network device does not send RMSI in the first cell, that is, does not send control information and data information of RMSI in the first cell.

It should be noted that, in table 2, the correspondence between the offset between the subband where the first reference SSB is located and the subband where the SSB is located and the value of the first indication information is merely an example, and a specific correspondence may be flexibly configured according to actual requirements, which is not limited in this application.

Alternatively, in embodiment 1, the network device may indicate an offset between the subband where the first synchronization grid is located and the subband where the SSB is located through the 3-bit first indication information, as shown in table 3. The first synchronization grid and the control resource set of the RMSI are in the same subband, or a second correspondence exists between the subband where the first synchronization grid is located and the subband where the control resource set of the RMSI is located. And the terminal equipment determines the sub-band where the control resource set of the RMSI is located according to the sub-band where the first synchronization grid is located. And the network equipment determines the sub-band of the control resource set of the RMSI according to the sub-band of the first synchronization grid. For example, in embodiment 1, the value of the first indication information is 101, that is, 2 upward subbands of the subband where the SSB is located are subbands where the first synchronization grid is located. Optionally, the second corresponding relationship is pre-configured, or the second corresponding relationship is configured by a network device, or the second corresponding relationship is indicated by the first indication information.

TABLE 3

In table 3, 3 indicates that 3 downward subbands of the subband where SSB is located are subbands where the first synchronization grid is located, -2 downward subbands of the subband where SSB is located are subbands where the first synchronization grid is located, -1 indicates that 1 downward subband of the subband where SSB is located is a subband where the first synchronization grid is located, 0 indicates that the subband where SSB is located is a subband where the first synchronization grid is located, 1 indicates that 1 upward subband of the subband where SSB is located is a subband where the first synchronization grid is located, 2 indicates that 2 upward subbands of the subband where SSB is located is a subband where the first synchronization grid is located, and 3 indicates that 3 upward subbands of the subband where SSB is located are subbands where the first synchronization grid is located.

In table 3, the first indication information is 111, which indicates a core set without RMSI, that is, the network device does not send RMSI in the first cell, that is, does not send control information and data information of RMSI in the first cell.

It should be noted that, the correspondence between the offset between the sub-band where the first synchronization grid is located and the sub-band where the SSB is located and the value of the first indication information in table 3 is merely an example, and the specific correspondence may be flexibly configured according to actual requirements, which is not limited in this application.

Optionally, as embodiment 2, as shown in fig. 5, a frequency domain bandwidth of a first cell is 80MHz, the first cell is treated as 420 MHz sub-bands, the network device sends an SSB in the first 20MHz sub-band, and sends a CORESET of RMSI in the third 20MHz sub-band, and the network device may indicate, through the second indication information and the third indication information, that the CORESET of RMSI is located in the third 20MHz sub-band. Specifically, the second indication information is used to indicate the identifier of the subband where the SSB is located, and the third indication is used to indicate the identifier of the subband where the core set of the RMSI is located.

For example, the second indication information and/or the third indication information is carried in a load of PBCH in the first cell, or the second indication information and/or the third indication information is carried in MIB in the first cell.

Alternatively, in embodiment 2, the network device may indicate, by using 2 bits of second indication information, the identifier of the subband where the SSB is located, as shown in table 4, and indicate, by using 2 bits of third indication information, the identifier of the subband where the core of the RMSI is located, as shown in table 5. For example, in embodiment 2, the second indication information takes the value 00, that is, the sub-band identifier where the SSB is located is 0, and the third indication information takes the value 10, that is, the sub-band identifier where the CORESET of the RMSI is located is 2. Based on the information in tables 4 and 5, when the sub-band identifier of the sub-band indicated by SSB in table 4 is 0, in combination with the sub-band where SSB is actually detected, the terminal device determines the positions of sub-bands 1, 2, and 3 accordingly, as shown in fig. 5. Then, when the third indication information indicates that the sub-band identifier of the sub-band in which the core set of the RMSI is located is 2, the terminal device determines the position of the sub-band in which the core set of the RMSI is located.

TABLE 4

Second indication information	Identification of sub-band in which SSB is located
00	0
01	1
10	2
11	3

TABLE 5

Third indication information	Identification of sub-band in which CORESET of RMSI is located
00	0
01	1
10	2
11	3

It should be noted that, the correspondence between the identifier of the sub-band where the SSB is located and the value of the second indication information in table 4 is merely an example, and the specific correspondence may be flexibly configured according to actual requirements, which is not limited in this application. And the correspondence between the identifier of the sub-band where the core set of the RMSI is located in table 5 and the value of the third indication information is merely an example, and the specific correspondence may be flexibly configured according to actual requirements, which is not limited in the present application.

Therefore, in the embodiment of the present application, the subband in which the control resource set of the RMSI is located may be determined based on the subband in which the first SSB is located, so that the position of the CORESET of the RMSI may be determined when the SSB and the CORESET of the RMSI are located in different subbands, which improves flexibility of the SSB transmission position, and in addition, this flexibility is also beneficial to avoiding resource collision between the control information and the data information of the SSB and the RMSI.

Fig. 6 is a schematic flow chart of a wireless communication method 300 according to an embodiment of the application, and as shown in fig. 6, the method 300 may include some or all of the following:

s310, a network device sends a first SSB in a first cell, wherein the first SSB comprises first indication information, and the first indication information is used for indicating frequency domain bandwidth information of the first cell;

s320, the terminal device receives the first SSB in the first cell;

s330, the terminal equipment determines the frequency domain bandwidth of the first cell according to the first indication information;

s340, the terminal device determines that the subband where the first synchronization grid in the frequency domain bandwidth of the first cell is located is the subband where the RMSI control resource set is located;

s350, the network equipment determines the frequency domain bandwidth of the first cell according to the first indication information;

s360, the network device determines that the subband where the first synchronization grid in the frequency domain bandwidth of the first cell is located is the subband where the control resource set of the RMSI is located.

It should be noted that, in the embodiment of the present application, in the case that the terminal device executes steps S330 and S340, the network device does not necessarily execute steps S350 and S360. Likewise, in the case where the network device performs steps S350 and S360, the terminal device does not necessarily perform steps S330 and S340.

In the embodiment of the present application, the wireless communication method 300 may be applied to an unlicensed frequency band or a licensed frequency band.

Optionally, in this embodiment of the present application, the first synchronization grid is only one synchronization grid in the frequency domain bandwidth of the first cell.

Optionally, after determining the subband where the RMSI control resource set is located, the terminal device may determine the location of the RMSI control resource set according to the relative frequency domain offset between the reference SSB and the RMSI control resource set in the subband where the RMSI control resource set is located and the location information of the reference SSB. Alternatively, after determining the subband where the first synchronization grid is located, the terminal device may determine the location of the control resource set of the RMSI according to the relative frequency domain offset between the reference SSB and the control resource set of the RMSI in the subband where the first synchronization grid is located and the location information of the reference SSB.

Similarly, after determining the subband where the RMSI control resource set is located, the network device may determine the location of the RMSI control resource set according to the relative frequency domain offset between the reference SSB and the RMSI control resource set in the subband where the RMSI control resource set is located and the location information of the reference SSB. Alternatively, after determining the subband where the first synchronization grid is located, the network device may determine the location of the control resource set of the RMSI according to the relative frequency domain offset between the reference SSB and the control resource set of the RMSI in the subband where the first synchronization grid is located and the location information of the reference SSB.

Optionally, in this embodiment, a frequency domain bandwidth of the first cell is greater than or equal to 20 MHz.

Optionally, in this embodiment of the present application, a sub-band in which the first synchronization grid is located is preconfigured, or a sub-band in which the first synchronization grid is located is configured by a network device.

Optionally, in this embodiment of the application, the first indication information is carried in a load of a PBCH in the first cell, or the first indication information is carried in an MIB in the first cell.

Therefore, in the embodiment of the present application, the frequency domain bandwidth of the first cell may be determined based on the first indication information in the first SSB, and the subband where the first synchronization grid in the frequency domain bandwidth of the first cell is located is determined as the subband where the control resource set of the RMSI is located, so that the position of the CORESET of the RMSI may be determined when the SSB and the CORESET of the RMSI are located in different subbands, which improves flexibility of the SSB transmission position, and in addition, this flexibility is also beneficial to avoiding resource collision between the control information and the data information of the SSB and the RMSI.

Fig. 7 shows a schematic block diagram of a terminal device 400 according to an embodiment of the application. As shown in fig. 7, the terminal apparatus 400 includes:

a communication unit 410 for receiving a first SSB in a first cell;

a processing unit 420, configured to determine a second subband according to a first subband, where the first subband is a subband where the first SSB is located, and the second subband is a subband where a control resource set of the RMSI in the first cell is located.

Optionally, the first sub-band and the second sub-band are different sub-bands.

Optionally, the communication unit 410 is further configured to receive first indication information, where the first indication information is used to indicate an offset between the second subband and the first subband;

the processing unit 420 is specifically configured to:

and determining the second sub-band according to the first sub-band and the first indication information.

Optionally, the communication unit 410 is further configured to receive first indication information, where the first indication information is used to indicate an offset between a subband where a first reference SSB is located and the first subband, where the first reference SSB and the set of control resources of the RMSI are located in the same subband, or a first corresponding relationship exists between the subband where the first reference SSB is located and the second subband;

the processing unit 420 is specifically configured to:

and determining the sub-band where the first reference SSB is located according to the first sub-band and the first indication information, and determining the second sub-band according to the sub-band where the first reference SSB is located.

Optionally, the first corresponding relationship is preconfigured, or the first corresponding relationship is configured by a network device, or the first corresponding relationship is indicated by the first indication information.

Optionally, the communication unit 410 is further configured to receive first indication information, where the first indication information is used to indicate an offset between a subband where a first synchronization grid is located and the first subband, where the first synchronization grid and the set of control resources of the RMSI are located in the same subband, or a second correspondence exists between the subband where the first synchronization grid is located and the second subband;

the processing unit 420 is specifically configured to:

and determining the sub-band where the first synchronization grid is located according to the first sub-band and the first indication information, and determining the second sub-band according to the sub-band where the first synchronization grid is located.

Optionally, the second corresponding relationship is pre-configured, or the second corresponding relationship is configured by a network device, or the second corresponding relationship is indicated by the first indication information.

Optionally, the first indication information is carried in a load of a PBCH in the first cell, or the first indication information is carried in a MIB in the first cell.

Optionally, the communication unit 410 is further configured to receive second indication information and third indication information, where the second indication information is used to indicate the identifier of the first sub-band, and the third indication is used to indicate the identifier of the second sub-band;

the processing unit 420 is specifically configured to:

and determining the second sub-band according to the first sub-band, the second indication information and the third indication information.

Optionally, the second indication information and/or the third indication information is carried in a load of a PBCH in the first cell, or the second indication information and/or the third indication information is carried in a MIB in the first cell.

Optionally, the communication unit 410 is further configured to receive fourth indication information, where the fourth indication information is used to indicate the identifier of the first sub-band and the identifier of the second sub-band;

the processing unit 420 is specifically configured to:

and determining the second sub-band according to the first sub-band and the fourth indication information.

Optionally, the fourth indication information is carried in a load of a PBCH in the first cell, or the fourth indication information is carried in a MIB in the first cell.

Optionally, the processing unit 420 is further configured to determine the location of the set of control resources of the RMSI according to the relative frequency domain offset between the reference SSB in the second subband and the set of control resources of the RMSI and the location information of the reference SSB.

Optionally, the frequency domain bandwidth of the first cell is greater than or equal to 20 MHz.

Optionally, the frequency domain bandwidth of the first cell is 40MHz, 60MHz, or 80 MHz.

Optionally, the communication unit 410 is specifically configured to:

the first SSB is received on a synchronous grid or an asynchronous grid in the first cell.

It should be understood that the terminal device 400 according to the embodiment of the present application may correspond to a terminal device in the embodiment of the method of the present application, and the above and other operations and/or functions of each unit in the terminal device 400 are respectively for implementing a corresponding flow of the terminal device in the method 200 shown in fig. 4, and are not described herein again for brevity.

Fig. 8 shows a schematic block diagram of a terminal device 500 according to an embodiment of the application. As shown in fig. 8, the terminal device 500 includes:

a communication unit 510, configured to receive a first SSB in a first cell, where the first SSB includes first indication information indicating frequency-domain bandwidth information of the first cell;

a processing unit 520, configured to determine a frequency domain bandwidth of the first cell according to the first indication information;

the processing unit 520 is further configured to determine that the subband where the first synchronization grid in the frequency domain bandwidth of the first cell is located is the subband where the set of control resources of the RMSI is located.

Optionally, the first synchronization grid is the only one synchronization grid in the frequency domain bandwidth of the first cell.

Optionally, the sub-band where the first synchronization grid is located is preconfigured, or the sub-band where the first synchronization grid is located is configured by the network device.

Optionally, the processing unit 520 is further configured to determine the location of the control resource set of the RMSI according to the relative frequency domain offset between the reference SSB and the control resource set of the RMSI in the subband where the first synchronization grid is located and the location information of the reference SSB.

Optionally, the communication unit 510 is specifically configured to:

It should be understood that the terminal device 500 according to the embodiment of the present application may correspond to a terminal device in the embodiment of the method of the present application, and the above and other operations and/or functions of each unit in the terminal device 500 are respectively for implementing a corresponding flow of the terminal device in the method 300 shown in fig. 6, and are not described herein again for brevity.

Fig. 9 shows a schematic block diagram of a network device 600 according to an embodiment of the application. As shown in fig. 9, the network device 600 includes:

a communication unit 610, configured to send a first SSB in a first cell;

a processing unit 620, configured to determine a second subband according to a first subband, where the first subband is a subband where the first SSB is located, and the second subband is a subband where a control resource set of the RMSI in the first cell is located.

Optionally, the first sub-band and the second sub-band are different sub-bands.

Optionally, the communication unit 610 is further configured to send first indication information, where the first indication information is used to indicate an offset between the second subband and the first subband;

the processing unit 620 is specifically configured to:

Optionally, the communication unit 610 is further configured to send first indication information, where the first indication information is used to indicate an offset between a subband where a first reference SSB is located and the first subband, where the first reference SSB and the control resource set of the RMSI are located in the same subband, or a first corresponding relationship exists between the subband where the first reference SSB is located and the second subband;

the processing unit 620 is specifically configured to:

Optionally, the first correspondence is configured for the network device.

Optionally, the communication unit 610 is further configured to send first indication information, where the first indication information is used to indicate an offset between a subband where a first synchronization grid is located and the first subband, where the first synchronization grid and the set of control resources of the RMSI are located in the same subband, or a second correspondence exists between the subband where the first synchronization grid is located and the second subband;

the processing unit 620 is specifically configured to:

Optionally, the second correspondence is configured for the network device.

Optionally, the communication unit 610 is further configured to send second indication information and third indication information, where the second indication information is used to indicate the identifier of the first sub-band, and the third indication is used to indicate the identifier of the second sub-band;

the processing unit 620 is specifically configured to:

Optionally, the communication unit 610 is further configured to send fourth indication information, where the fourth indication information is used to indicate the identifier of the first subband and the identifier of the second subband;

the processing unit 620 is specifically configured to:

Optionally, the processing unit 620 is further configured to determine the location of the set of control resources of the RMSI according to the relative frequency domain offset between the reference SSB in the second subband and the set of control resources of the RMSI and the location information of the reference SSB.

Optionally, the communication unit 610 is specifically configured to:

the first SSB is transmitted on a synchronous or non-synchronous grid in the first cell.

It should be understood that the network device 600 according to the embodiment of the present application may correspond to a network device in the embodiment of the method of the present application, and the foregoing and other operations and/or functions of each unit in the network device 600 are respectively for implementing a corresponding flow of the network device in the method 200 shown in fig. 4, and are not described herein again for brevity.

Fig. 10 shows a schematic block diagram of a network device 700 according to an embodiment of the application. As shown in fig. 10, the network device 700 includes:

a communication unit 710, configured to send a first SSB in a first cell, where the first SSB includes first indication information, and the first indication information is used to indicate frequency-domain bandwidth information of the first cell;

a processing unit 720, configured to determine a frequency domain bandwidth of the first cell according to the first indication information;

the processing unit is further configured to determine that a subband in which the first synchronization grid in the frequency domain bandwidth of the first cell is located is a subband in which the control resource set of the RMSI is located.

Optionally, the sub-band in which the first synchronization grid is located is configured for the network device.

Optionally, the processing unit 720 is further configured to determine the location of the control resource set of the RMSI according to the relative frequency domain offset between the reference SSB and the control resource set of the RMSI in the subband where the first synchronization grid is located and the location information of the reference SSB.

Optionally, the communication unit 710 is specifically configured to:

It should be understood that the network device 700 according to the embodiment of the present application may correspond to a network device in the embodiment of the method of the present application, and the above and other operations and/or functions of each unit in the network device 700 are respectively for implementing corresponding flows of the network device in the method 300 shown in fig. 6, and are not described herein again for brevity.

Fig. 11 is a schematic structural diagram of a communication device 800 according to an embodiment of the present application. The communication device 800 shown in fig. 11 comprises a processor 810, and the processor 810 can call and run a computer program from a memory to implement the method in the embodiment of the present application.

Optionally, as shown in fig. 11, the communication device 800 may also include a memory 820. From the memory 820, the processor 810 can call and run a computer program to implement the method in the embodiment of the present application.

The memory 820 may be a separate device from the processor 810 or may be integrated into the processor 810.

Optionally, as shown in fig. 11, the communication device 800 may further include a transceiver 830, and the processor 810 may control the transceiver 830 to communicate with other devices, and specifically, may transmit information or data to the other devices or receive information or data transmitted by the other devices.

The transceiver 830 may include a transmitter and a receiver, among others. The transceiver 830 may further include one or more antennas.

Optionally, the communication device 800 may specifically be a network device or a base station in the embodiment of the present application, and the communication device 800 may implement a corresponding procedure implemented by the network device or the base station in each method in the embodiment of the present application, and for brevity, details are not described here again.

Optionally, the communication device 800 may specifically be a mobile terminal/terminal device according to this embodiment, and the communication device 800 may implement a corresponding process implemented by the mobile terminal/terminal device in each method according to this embodiment, which is not described herein again for brevity.

Fig. 12 is a schematic configuration diagram of an apparatus of an embodiment of the present application. The apparatus 900 shown in fig. 12 includes a processor 910, and the processor 910 can call and run a computer program from a memory to implement the method in the embodiment of the present application.

Optionally, as shown in fig. 12, the apparatus 900 may further include a memory 920. From the memory 920, the processor 910 can call and run a computer program to implement the method in the embodiment of the present application.

The memory 920 may be a separate device from the processor 910, or may be integrated in the processor 910.

Optionally, the apparatus 900 may further comprise an input interface 930. The processor 910 may control the input interface 930 to communicate with other devices or chips, and in particular, may obtain information or data transmitted by other devices or chips.

Optionally, the apparatus 900 may further comprise an output interface 940. The processor 910 may control the output interface 940 to communicate with other devices or chips, and in particular, may output information or data to the other devices or chips.

Optionally, the apparatus may be applied to a network device or a base station in the embodiment of the present application, and the apparatus may implement a corresponding process implemented by the network device or the base station in each method in the embodiment of the present application, and for brevity, details are not described here again.

Optionally, the apparatus may be applied to the mobile terminal/terminal device in the embodiment of the present application, and the apparatus may implement the corresponding process implemented by the mobile terminal/terminal device in each method in the embodiment of the present application, and for brevity, details are not described here again.

Alternatively, the device mentioned in the embodiments of the present application may also be a chip. For example, it may be a system-on-chip, a system-on-chip or a system-on-chip, etc.

Fig. 13 is a schematic block diagram of a communication system 1000 according to an embodiment of the present application. As shown in fig. 13, the communication system 1000 includes a terminal device 1010 and a network device 1020.

The terminal device 1010 may be configured to implement the corresponding function implemented by the terminal device in the foregoing method, and the network device 1020 may be configured to implement the corresponding function implemented by the network device or the base station in the foregoing method, which is not described herein again for brevity.

It should be understood that the processor of the embodiments 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 performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The Processor may be a general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, or discrete hardware components. The various methods, steps, and logic blocks disclosed 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 the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor.

It will be appreciated that the memory in the embodiments of the subject application can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of example, but not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic random access memory (DDR SDRAM), Enhanced Synchronous SDRAM (ESDRAM), Synchronous link SDRAM (SLDRAM), and Direct Rambus 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 memories are exemplary but not limiting illustrations, for example, the memories in the embodiments of the present application may also be Static Random Access Memory (SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (enhanced SDRAM, ESDRAM), Synchronous Link DRAM (SLDRAM), Direct Rambus RAM (DR RAM), and the like. That is, the memory in the embodiments of the present application is intended to comprise, without being limited to, these and any other suitable types of memory.

The embodiment of the application also provides a computer readable storage medium for storing the computer program.

Optionally, the computer-readable storage medium may be applied to the network device or the base station in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the network device or the base station in each method in the embodiment of the present application, which is not described herein again for brevity.

Optionally, the computer-readable storage medium may be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method in the embodiment of the present application, which is not described herein again for brevity.

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

Optionally, the computer program product may be applied to the network device or the base station in the embodiment of the present application, and the computer program instructions enable the computer to execute corresponding processes implemented by the network device or the base station in the methods in the embodiments of the present application, which are not described herein again for brevity.

Optionally, the computer program product may be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions enable the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the methods in the embodiment of the present application, which are not described herein again for brevity.

The embodiment of the application also provides a computer program.

Optionally, the computer program may be applied to the network device or the base station in the embodiment of the present application, and when the computer program runs on a computer, the computer is enabled to execute corresponding processes implemented by the network device or the base station in the methods in the embodiment of the present application, which is not described herein again for brevity.

Optionally, the computer program may be applied to the mobile terminal/terminal device in the embodiment of the present application, and when the computer program runs on a computer, the computer is enabled to execute the corresponding process implemented by the mobile terminal/terminal device in each method in the embodiment of the present application, which is not described herein again 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 implementation. 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 is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed 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 can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into 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. With regard to such understanding, the technical solutions of the present application may be essentially implemented or contributed to by the prior art, or may be implemented in a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

The above description is only for the 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 conceive of the changes or substitutions within the technical scope of the present application, and shall 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

A method of wireless communication, comprising:

the terminal equipment receives a first synchronous signal block SSB in a first cell;

and the terminal equipment determines a second sub-band according to a first sub-band, wherein the first sub-band is the sub-band where the first SSB is located, and the second sub-band is the sub-band where the control resource set of the Residual Minimum System Information (RMSI) in the first cell is located.
The method of claim 1, wherein the first sub-band and the second sub-band are different sub-bands.
The method according to claim 1 or 2, characterized in that the method further comprises:

the terminal equipment receives first indication information, wherein the first indication information is used for indicating the offset between the second sub-band and the first sub-band;

the terminal equipment determines a second sub-band according to the first sub-band, and the method comprises the following steps:

and the terminal equipment determines the second sub-band according to the first sub-band and the first indication information.
The method according to claim 1 or 2, characterized in that the method further comprises:

the terminal device receives first indication information, where the first indication information is used to indicate an offset between a subband where a first reference SSB is located and the first subband, where the first reference SSB and a control resource set of the RMSI are located in the same subband, or a first corresponding relationship exists between the subband where the first reference SSB is located and the second subband;

the terminal equipment determines a second sub-band according to the first sub-band, and the method comprises the following steps:

and the terminal equipment determines the sub-band where the first reference SSB is located according to the first sub-band and the first indication information, and determines the second sub-band according to the sub-band where the first reference SSB is located.
The method of claim 4, wherein the first corresponding relationship is pre-configured, or wherein the first corresponding relationship is configured by a network device, or wherein the first corresponding relationship is indicated by the first indication information.
The method according to claim 1 or 2, characterized in that the method further comprises:

the terminal equipment receives first indication information, wherein the first indication information is used for indicating the deviation between a subband where a first synchronization grid is located and the first subband, the first synchronization grid and a control resource set of the RMSI are located in the same subband, or a second corresponding relation exists between the subband where the first synchronization grid is located and the second subband;

the terminal equipment determines a second sub-band according to the first sub-band, and the method comprises the following steps:

and the terminal equipment determines the sub-band where the first synchronization grid is located according to the first sub-band and the first indication information, and determines the second sub-band according to the sub-band where the first synchronization grid is located.
The method of claim 6, wherein the second correspondence is pre-configured, or wherein the second correspondence is configured by a network device, or wherein the second correspondence is indicated by the first indication information.
Method according to any of claims 3 to 7, wherein said first indication information is carried in the load of a physical broadcast channel, PBCH, in said first cell or in a Master information Block, MIB, in said first cell.
The method according to claim 1 or 2, characterized in that the method further comprises:

the terminal equipment receives second indication information and third indication information, wherein the second indication information is used for indicating the identification of the first sub-band, and the third indication is used for indicating the identification of the second sub-band;

the terminal equipment determines a second sub-band according to the first sub-band, and the method comprises the following steps:

and the terminal equipment determines the second sub-band according to the first sub-band, the second indication information and the third indication information.
The method of claim 9, wherein the second indication information and/or the third indication information is carried in a load of a PBCH in the first cell, or wherein the second indication information and/or the third indication information is carried in a MIB in the first cell.
The method according to claim 1 or 2, characterized in that the method further comprises:

the terminal equipment receives fourth indication information, wherein the fourth indication information is used for indicating the identifier of the first sub-band and the identifier of the second sub-band;

the terminal equipment determines a second sub-band according to the first sub-band, and the method comprises the following steps:

and the terminal equipment determines the second sub-band according to the first sub-band and the fourth indication information.
The method of claim 11, wherein the fourth indication information is carried in a load of a PBCH in the first cell, or wherein the fourth indication information is carried in a MIB in the first cell.
The method according to any one of claims 1 to 12, further comprising:

and the terminal equipment determines the position of the control resource set of the RMSI according to the relative frequency domain offset between the reference SSB and the control resource set of the RMSI in the second subband and the position information of the reference SSB.
The method of any of claims 1-13, wherein a frequency domain bandwidth of the first cell is greater than or equal to 20 MHz.
The method of any of claims 1-14, wherein the frequency domain bandwidth of the first cell is 40MHz, 60MHz, or 80 MHz.
The method according to any of claims 1 to 15, wherein the terminal device receives the first SSB in the first cell, comprising:

the terminal device receives the first SSB on a synchronous or non-synchronous grid in the first cell.
A method of wireless communication, comprising:

the method comprises the steps that terminal equipment receives a first Synchronous Signal Block (SSB) in a first cell, wherein the first SSB comprises first indication information, and the first indication information is used for indicating frequency domain bandwidth information of the first cell;

the terminal equipment determines the frequency domain bandwidth of the first cell according to the first indication information;

and the terminal equipment determines that the sub-band where the first synchronization grid in the frequency domain bandwidth of the first cell is located is the sub-band where the control resource set of the residual minimum system information RMSI is located.
The method of claim 17, wherein the first synchronization grid is the only one synchronization grid in the frequency domain bandwidth of the first cell.
The method according to claim 17 or 18, wherein the sub-band where the first synchronization grid is located is pre-configured, or wherein the sub-band where the first synchronization grid is located is configured by a network device.
The method according to any of claims 17 to 19, wherein the first indication information is carried in a load of a physical broadcast channel, PBCH, in the first cell or in a master information block, MIB, in the first cell.
The method of any one of claims 17 to 20, further comprising:

and the terminal equipment determines the position of the control resource set of the RMSI according to the relative frequency domain offset between the reference SSB in the subband where the first synchronization grid is positioned and the control resource set of the RMSI and the position information of the reference SSB.
The method of any of claims 17-21, wherein a frequency domain bandwidth of the first cell is greater than or equal to 20 MHz.
The method of any of claims 17 to 22, wherein the frequency domain bandwidth of the first cell is 40MHz, 60MHz, or 80 MHz.
The method according to any of claims 17 to 23, wherein the terminal device receives the first SSB in the first cell, comprising:

the terminal device receives the first SSB on a synchronous or non-synchronous grid in the first cell.
A method of wireless communication, comprising:

the network equipment sends a first synchronization signal block SSB in a first cell;

and the network equipment determines a second sub-band according to a first sub-band, wherein the first sub-band is the sub-band where the first SSB is located, and the second sub-band is the sub-band where a control resource set of the Remaining Minimum System Information (RMSI) in the first cell is located.
The method of claim 25, wherein the first sub-band and the second sub-band are different sub-bands.
The method of claim 25 or 26, further comprising:

the network equipment transmits first indication information, wherein the first indication information is used for indicating the offset between the second sub-band and the first sub-band;

the network device determining a second sub-band according to the first sub-band, comprising:

and the network equipment determines the second sub-band according to the first sub-band and the first indication information.
The method of claim 25 or 26, further comprising:

the network device sends first indication information, where the first indication information is used to indicate an offset between a subband where a first reference SSB is located and the first subband, where the first reference SSB and a control resource set of the RMSI are located in the same subband, or a first correspondence exists between the subband where the first reference SSB is located and the second subband;

the network device determining a second sub-band according to the first sub-band, comprising:

and the network equipment determines the sub-band where the first reference SSB is located according to the first sub-band and the first indication information, and determines the second sub-band according to the sub-band where the first reference SSB is located.
The method of claim 28, wherein the first correspondence is configured for the network device.
The method of claim 25 or 26, further comprising:

the network equipment sends first indication information, wherein the first indication information is used for indicating the deviation between a subband where a first synchronization grid is located and the first subband, the first synchronization grid and a control resource set of the RMSI are located in the same subband, or a second corresponding relation exists between the subband where the first synchronization grid is located and the second subband;

the network device determines a second sub-band according to the first sub-band, comprising:

and the network equipment determines the sub-band where the first synchronization grid is located according to the first sub-band and the first indication information, and determines the second sub-band according to the sub-band where the first synchronization grid is located.
The method of claim 30, wherein the second correspondence is configured for the network device.
The method according to any of claims 27 to 31, wherein the first indication information is carried in a load of a physical broadcast channel, PBCH, in the first cell or in a master information block, MIB, in the first cell.
The method of claim 25 or 26, further comprising:

the network equipment sends second indication information and third indication information, wherein the second indication information is used for indicating the identification of the first sub-band, and the third indication is used for indicating the identification of the second sub-band;

the network device determines a second sub-band according to the first sub-band, comprising:

and the network equipment determines the second sub-band according to the first sub-band, the second indication information and the third indication information.
The method of claim 33, wherein the second indication information and/or the third indication information is carried in a load of a PBCH in the first cell, or wherein the second indication information and/or the third indication information is carried in a MIB in the first cell.
The method of claim 25 or 26, further comprising:

the network equipment sends fourth indication information, wherein the fourth indication information is used for indicating the identifier of the first sub-band and the identifier of the second sub-band;

the network device determining a second sub-band according to the first sub-band, comprising:

and the network equipment determines the second sub-band according to the first sub-band and the fourth indication information.
The method of claim 35, wherein the fourth indication information is carried in a load of a PBCH in the first cell, or wherein the fourth indication information is carried in a MIB in the first cell.
The method of any one of claims 25 to 36, further comprising:

and the network equipment determines the position of the control resource set of the RMSI according to the relative frequency domain offset between the reference SSB and the control resource set of the RMSI in the second subband and the position information of the reference SSB.
The method of any of claims 25 to 37, wherein the frequency domain bandwidth of the first cell is greater than or equal to 20 MHz.
The method of any of claims 25 to 38, wherein the frequency domain bandwidth of the first cell is 40MHz, 60MHz or 80 MHz.
The method of any of claims 25-39, wherein the network device sends the first SSB in the first cell, comprising:

the network device transmits the first SSB on a synchronous or non-synchronous grid in the first cell.
A method of wireless communication, comprising:

the method comprises the steps that network equipment sends a first Synchronization Signal Block (SSB) in a first cell, wherein the first SSB comprises first indication information, and the first indication information is used for indicating frequency domain bandwidth information of the first cell;

the network equipment determines the frequency domain bandwidth of the first cell according to the first indication information;

and the network equipment determines that the sub-band where the first synchronization grid in the frequency domain bandwidth of the first cell is located is the sub-band where the control resource set of the residual minimum system information RMSI is located.
The method of claim 41, wherein the first synchronization grid is only one synchronization grid in a frequency bandwidth of the first cell.
The method according to claim 41 or 42, wherein the sub-band in which the first synchronization grid is located is configured for the network device.
The method of any of claims 41 to 43, wherein the first indication information is carried in a load of a physical broadcast channel, PBCH, in the first cell or wherein the first indication information is carried in a Master information Block, MIB, in the first cell.
The method of any one of claims 41 to 44, further comprising:

and the network equipment determines the position of the control resource set of the RMSI according to the relative frequency domain offset between the reference SSB and the control resource set of the RMSI in the subband where the first synchronization grid is positioned and the position information of the reference SSB.
The method of any of claims 41 to 45, wherein the frequency domain bandwidth of the first cell is greater than or equal to 20 MHz.
The method of any of claims 41 to 46, wherein the frequency domain bandwidth of the first cell is 40MHz, 60MHz, or 80 MHz.
The method of any of claims 41 to 47, wherein the network device sends the first SSB in the first cell, comprising:

the network device transmits the first SSB on a synchronous or non-synchronous grid in the first cell.
A terminal device, comprising:

a communication unit for receiving a first synchronization signal block SSB in a first cell;

and a processing unit, configured to determine a second subband according to a first subband, where the first subband is a subband where the first SSB is located, and the second subband is a subband where a control resource set of remaining minimum system information RMSI in the first cell is located.
The terminal device of claim 49, wherein the first sub-band is a different sub-band than the second sub-band.
The terminal device according to claim 49 or 50,

the communication unit is further configured to receive first indication information indicating an offset between the second subband and the first subband;

the processing unit is specifically configured to:

and determining the second sub-band according to the first sub-band and the first indication information.
The terminal device according to claim 49 or 50,

the communication unit is further configured to receive first indication information, where the first indication information is used to indicate an offset between a subband where a first reference SSB is located and the first subband, where the first reference SSB and a control resource set of the RMSI are located in the same subband, or a first correspondence exists between the subband where the first reference SSB is located and the second subband;

the processing unit is specifically configured to:

and determining the sub-band where the first reference SSB is located according to the first sub-band and the first indication information, and determining the second sub-band according to the sub-band where the first reference SSB is located.
The terminal device of claim 52, wherein the first correspondence is pre-configured, or wherein the first correspondence is configured by a network device, or wherein the first correspondence is indicated by the first indication information.
The terminal device according to claim 49 or 50,

the communication unit is further configured to receive first indication information, where the first indication information is used to indicate an offset between a subband where a first synchronization grid is located and the first subband, where the first synchronization grid and a control resource set of the RMSI are located in the same subband, or a second correspondence exists between the subband where the first synchronization grid is located and the second subband;

the processing unit is specifically configured to:

and determining the sub-band of the first synchronous grid according to the first sub-band and the first indication information, and determining the second sub-band according to the sub-band of the first synchronous grid.
The terminal device of claim 54, wherein the second correspondence is pre-configured, or wherein the second correspondence is configured by a network device, or wherein the second correspondence is indicated by the first indication information.
The terminal device of any of claims 51-55, wherein the first indication information is carried in a load of a physical broadcast channel, PBCH, in the first cell, or wherein the first indication information is carried in a Master information Block, MIB, in the first cell.
The terminal device of claim 49 or 50,

the communication unit is further configured to receive second indication information and third indication information, where the second indication information is used to indicate the identity of the first sub-band, and the third indication is used to indicate the identity of the second sub-band;

the processing unit is specifically configured to:

and determining the second sub-band according to the first sub-band, the second indication information and the third indication information.
The terminal device of claim 57, wherein the second indication information and/or the third indication information is carried in a load of a PBCH in the first cell, or wherein the second indication information and/or the third indication information is carried in a MIB in the first cell.
The terminal device according to claim 49 or 50,

the communication unit is further configured to receive fourth indication information, where the fourth indication information is used to indicate an identifier of the first subband and an identifier of the second subband;

the processing unit is specifically configured to:

and determining the second sub-band according to the first sub-band and the fourth indication information.
The terminal device of claim 59, wherein the fourth indication information is carried in a load of PBCH in the first cell, or wherein the fourth indication information is carried in MIB in the first cell.
The terminal device of any one of claims 49-60, wherein the processing unit is further configured to determine the location of the set of control resources of the RMSI according to a relative frequency-domain offset between the reference SSB and the set of control resources of the RMSI in the second subband and location information of the reference SSB.
The terminal device of any of claims 49-61, wherein the frequency domain bandwidth of the first cell is greater than or equal to 20 MHz.
The terminal device of any of claims 49-62, wherein the frequency domain bandwidth of the first cell is 40MHz, 60MHz, or 80 MHz.
The terminal device according to any one of claims 49 to 63, wherein the communication unit is specifically configured to:

receiving the first SSB on a synchronous or non-synchronous grid in the first cell.
A terminal device, comprising:

a communication unit, configured to receive a first synchronization signal block SSB in a first cell, where the first SSB includes first indication information, and the first indication information is used to indicate frequency-domain bandwidth information of the first cell;

a processing unit, configured to determine a frequency domain bandwidth of the first cell according to the first indication information;

the processing unit is further configured to determine that a subband where the first synchronization grid in the frequency domain bandwidth of the first cell is located is a subband where a control resource set of remaining minimum system information RMSI is located.
The terminal device of claim 65, wherein the first synchronization grid is the only one synchronization grid in the frequency domain bandwidth of the first cell.
The terminal device according to claim 65 or 66, wherein the sub-band in which the first synchronization grid is located is pre-configured, or wherein the sub-band in which the first synchronization grid is located is configured by a network device.
The terminal device of any one of claims 65 to 67, wherein the first indication information is carried in a load of a physical broadcast channel, PBCH, in the first cell or in a Master information Block, MIB, in the first cell.
The terminal device of any one of claims 65 to 68, wherein the processing unit is further configured to determine the location of the set of control resources of the RMSI according to a relative frequency domain offset between the reference SSB and the set of control resources of the RMSI in a subband where the first synchronization grid is located and location information of the reference SSB.
The terminal device of any of claims 65-69, wherein the frequency domain bandwidth of the first cell is greater than or equal to 20 MHz.
The terminal device of any one of claims 65 to 70, wherein the frequency domain bandwidth of the first cell is 40MHz, 60MHz or 80 MHz.
The terminal device according to any one of claims 65 to 71, wherein the communication unit is specifically configured to:

receiving the first SSB on a synchronous or non-synchronous grid in the first cell.
A network device, comprising:

a communication unit for transmitting a first synchronization signal block SSB in a first cell;

and a processing unit, configured to determine a second subband according to a first subband, where the first subband is a subband where the first SSB is located, and the second subband is a subband where a control resource set of remaining minimum system information RMSI in the first cell is located.
The network device of claim 73, wherein the first sub-band is a different sub-band than the second sub-band.
The network device of claim 73 or 74,

the communication unit is further configured to send first indication information indicating an offset between the second subband and the first subband;

the processing unit is specifically configured to:

and determining the second sub-band according to the first sub-band and the first indication information.
The network device of claim 73 or 74,

the communication unit is further configured to send first indication information, where the first indication information is used to indicate an offset between a subband where a first reference SSB is located and the first subband, where the first reference SSB and a control resource set of the RMSI are located in the same subband, or a first correspondence exists between the subband where the first reference SSB is located and the second subband;

the processing unit is specifically configured to:

and determining the sub-band where the first reference SSB is located according to the first sub-band and the first indication information, and determining the second sub-band according to the sub-band where the first reference SSB is located.
The network device of claim 76, wherein the first correspondence is configured for the network device.
The network device of claim 73 or 74,

the communication unit is further configured to send first indication information, where the first indication information is used to indicate an offset between a subband where a first synchronization grid is located and the first subband, where the first synchronization grid and a control resource set of the RMSI are located in the same subband, or a second correspondence exists between the subband where the first synchronization grid is located and the second subband;

the processing unit is specifically configured to:

and determining the sub-band where the first synchronization grid is located according to the first sub-band and the first indication information, and determining the second sub-band according to the sub-band where the first synchronization grid is located.
The network device of claim 78, wherein the second correspondence is configured for the network device.
The network device of any one of claims 75-79, wherein the first indication information is carried in a load of a physical broadcast channel, PBCH, in the first cell or in a master information block, MIB, in the first cell.
The network device of claim 73 or 74,

the communication unit is further configured to send second indication information and third indication information, where the second indication information is used to indicate the identifier of the first subband, and the third indication is used to indicate the identifier of the second subband;

the processing unit is specifically configured to:

and determining the second sub-band according to the first sub-band, the second indication information and the third indication information.
The network device of claim 81, wherein the second indication information and/or the third indication information is carried in a load of a PBCH in the first cell, or wherein the second indication information and/or the third indication information is carried in a MIB in the first cell.
The network device of claim 73 or 74,

the communication unit is further configured to send fourth indication information, where the fourth indication information is used to indicate the identifier of the first subband and the identifier of the second subband;

the processing unit is specifically configured to:

and determining the second sub-band according to the first sub-band and the fourth indication information.
The network device of claim 83, wherein the fourth indication information is carried in a load of a PBCH in the first cell, or wherein the fourth indication information is carried in a MIB in the first cell.
The network device of any one of claims 73-84, wherein the processing unit is further configured to determine the location of the set of control resources of the RMSI based on a relative frequency-domain offset between a reference SSB and the set of control resources of the RMSI in the second subband and location information for the reference SSB.
The network device of any one of claims 73-85, wherein a frequency domain bandwidth of the first cell is greater than or equal to 20 MHz.
The network device of any one of claims 73-86, wherein the frequency domain bandwidth of the first cell is 40MHz, 60MHz, or 80 MHz.
The network device of any one of claims 73 to 87, wherein the communication unit is specifically configured to:

transmitting the first SSB on a synchronous or non-synchronous grid in the first cell.
A network device, comprising:

a communication unit, configured to send a first synchronization signal block SSB in a first cell, where the first SSB includes first indication information, and the first indication information is used to indicate frequency-domain bandwidth information of the first cell;

a processing unit, configured to determine a frequency domain bandwidth of the first cell according to the first indication information;

the processing unit is further configured to determine that a subband where the first synchronization grid in the frequency domain bandwidth of the first cell is located is a subband where a control resource set of the remaining minimum system information RMSI is located.
The network device of claim 89, wherein the first synchronization grid is the only one synchronization grid in the frequency bandwidth of the first cell.
The network device of claim 89 or 90, wherein the sub-band in which the first synchronization grid is located is configured for the network device.
The network device of any one of claims 89 to 91, wherein the first indication information is carried in a load of a physical broadcast channel, PBCH, in the first cell or in a master information block, MIB, in the first cell.
The network device of any one of claims 89-92, wherein the processing unit is further configured to determine the location of the set of control resources of the RMSI based on a relative frequency domain offset between a reference SSB and the set of control resources of the RMSI in a subband in which the first synchronization grid is located, and location information of the reference SSB.
The network device of any one of claims 89 to 93, wherein the frequency domain bandwidth of the first cell is greater than or equal to 20 MHz.
The network device of any one of claims 89 to 94, wherein the frequency domain bandwidth of the first cell is 40MHz, 60MHz, or 80 MHz.
The network device according to any one of claims 89 to 95, wherein the communication unit is specifically configured to:

transmitting the first SSB on a synchronous or non-synchronous grid in the first cell.
A terminal device, comprising: a processor and a memory for storing a computer program, the processor being configured to invoke and execute the computer program stored in the memory to perform the method of any of claims 1 to 16.
A terminal device, comprising: a processor and a memory for storing a computer program, the processor being configured to invoke and execute the computer program stored in the memory to perform the method of any of claims 17 to 24.
A network device, comprising: a processor and a memory for storing a computer program, the processor being configured to invoke and execute the computer program stored in the memory to perform the method of any of claims 25 to 40.
A network device, comprising: a processor and a memory for storing a computer program, the processor being configured to invoke and execute the computer program stored in the memory to perform the method of any of claims 41 to 48.
A chip, comprising: a processor for calling and running a computer program from a memory so that a device on which the chip is installed performs the method of any one of claims 1 to 16.
A chip, comprising: a processor for calling and running a computer program from a memory so that a device on which the chip is installed performs the method of any one of claims 17 to 24.
A chip, comprising: a processor for calling and running a computer program from a memory so that a device on which the chip is installed performs the method of any one of claims 25 to 40.
A chip, comprising: a processor for calling and running a computer program from a memory so that a device on which the chip is installed performs the method of any one of claims 41 to 48.
A computer-readable storage medium for storing a computer program which causes a computer to perform the method of any one of claims 1 to 16.
A computer-readable storage medium for storing a computer program which causes a computer to perform the method of any one of claims 17 to 24.
A computer-readable storage medium for storing a computer program which causes a computer to perform the method of any one of claims 25 to 40.
A computer-readable storage medium for storing a computer program which causes a computer to perform the method of any one of claims 41 to 48.
A computer program product comprising computer program instructions for causing a computer to perform the method of any one of claims 1 to 16.
A computer program product comprising computer program instructions to cause a computer to perform the method of any of claims 17 to 24.
A computer program product comprising computer program instructions for causing a computer to perform the method of any one of claims 25 to 40.
A computer program product comprising computer program instructions for causing a computer to perform the method of any one of claims 41 to 48.
A computer program, characterized in that the computer program causes a computer to perform the method according to any one of claims 1 to 16.
A computer program, characterized in that the computer program causes a computer to perform the method according to any of claims 17-24.
A computer program, characterized in that the computer program causes a computer to perform the method according to any of claims 25 to 40.
A computer program, characterized in that the computer program causes a computer to perform the method according to any one of claims 41 to 48.