Method and electronic device for sending discovery signal

Abstract

An embodiment of the present application provides a method and electronic device for sending a discovery signal. The method includes: taking two consecutive radio frames as a sending unit, sending a discovery signal within a discovery signal measurement time window, wherein: the discovery signal includes two synchronization signals and broadcast information; for any subcarrier spacing, one discovery signal is limited to two consecutive radio frames of the current subcarrier spacing. According to the method of an embodiment of the present application, a discovery signal can be sent to realize the functions of cell identification, synchronization and RRM measurement; compared with the prior art, according to the method of an embodiment of the present application, the structure of the signal transmission is simple, the data length is short, the implementation difficulty is low, and it has high practicality.

Description

Technical Field

[0001] The present application relates to the field of wireless communications, and in particular to a method and electronic device for sending a discovery signal. Background Art

[0002] In the field of wireless communications, wireless channels are required for sending and receiving data. Due to the shared nature of wireless channels, any wireless signal will interfere with other signals transmitted on the same frequency band before it attenuates to a certain extent, making it impossible to correctly receive the signal. Therefore, wireless frequency resources are usually regarded as precious and limited resources and are managed by radio management departments specially established by governments of various countries. Wireless frequency resources can be divided into authorized frequency bands and unauthorized frequency bands.

[0003] Normally, the use of wireless channels requires approval from the radio management department. For commercial applications, the user needs to pay a certain amount of frequency band exclusive fees to obtain exclusivity for the frequency band, which is called an authorized frequency band.

[0004] Unlicensed frequency bands refer to frequency bands that can be used by the sender of information without the authorization of the radio management department, such as industrial, scientific and medical radio bands (ISM). Anyone who wants to use this frequency band only needs to meet certain restrictions, such as the total transmission power in the frequency band must not exceed the upper limit allowed by the unlicensed frequency band, and support necessary interference control or avoidance mechanisms, such as dynamic frequency selection mechanism, "Listen-Before-Talk: LBT" mechanism, etc., and then use this frequency band based on any wireless access technology, such as Wireless Local Area Network (WLAN) technology.

[0005] Since the bandwidth of unlicensed bands is large and the availability of each channel changes quickly, the unlicensed bands are generally divided into multiple unlicensed band cells, and it is necessary to dynamically select cells (channels, carriers) to send and receive data when accessing. Since unlicensed band cells are not continuously transmitted, base stations in unlicensed bands need to broadcast discovery signals (DRS) to achieve cell identification, synchronization, and Radio Resource Management (RRM) measurement functions. Summary of the invention

[0006] In view of the problem that a base station needs to send a discovery signal to implement functions of cell identification, synchronization and RRM measurement in the prior art, the present application provides a method and electronic device for sending a discovery signal.

[0007] The present application embodiment adopts the following technical solutions:

[0008] In a first aspect, the present application provides a method for sending a discovery signal, comprising:

[0009] Two consecutive radio frames are used as a sending unit, and a discovery signal is sent within the discovery signal measurement time window, where:

[0010] The discovery signal includes two synchronization signals and broadcast information;

[0011] For any subcarrier spacing, one discovery signal is limited to two consecutive radio frames of the current subcarrier spacing.

[0012] In a feasible implementation manner of the first aspect above, for different subcarrier spacings, the discovery signal adopts a unified signal pattern design.

[0013] In a feasible implementation manner of the first aspect above, the discovery signal is sent within a discovery signal measurement time window, wherein one or more continuous discovery signals are sent within the discovery signal measurement time window.

[0014] In a feasible implementation manner of the first aspect, the sending of the discovery signal within the discovery signal measurement time window comprises:

[0015] When one discovery signal is sent within the discovery signal measurement time window, the discovery signal is in the first two radio frames.

[0016] In a feasible implementation manner of the first aspect, the discovery signal is sent using consecutive first radio frames and second radio frames as a sending unit, wherein:

[0017] The first symbol of the first radio frame is used to carry a first synchronization signal of the discovery signal;

[0018] The first symbol of the second radio frame is used to carry a second synchronization signal of the discovery signal;

[0019] The second to fifth symbols of the first radio frame and the second to fifth symbols of the second radio frame are used to carry broadcast information of the discovery signal.

[0020] In a feasible implementation manner of the first aspect, the discovery signal is sent using consecutive first radio frames and second radio frames as a sending unit, wherein:

[0021] The first symbol of the first radio frame is used to carry a first synchronization signal of the discovery signal;

[0022] The second symbol of the first radio frame is used to carry a second synchronization signal of the discovery signal;

[0023] The third to sixth symbols of the first radio frame and the first to fourth symbols of the second radio frame are used to carry broadcast information of the discovery signal.

[0024] In a feasible implementation manner of the first aspect above, the discovery signal further includes management node to terminal node link control information.

[0025] In a feasible implementation manner of the first aspect, the discovery signal is sent using consecutive first radio frames and second radio frames as a sending unit, wherein:

[0026] The first symbol of the first radio frame and the first symbol of the second radio frame are used to carry the management node to terminal node link control information of the discovery signal;

[0027] The fourth symbol of the first radio frame is used to carry the first synchronization signal of the discovery signal;

[0028] The fourth symbol of the second radio frame is used to carry a second synchronization signal of the discovery signal;

[0029] The fifth to eighth symbols of the first radio frame and the fifth to eighth symbols of the second radio frame are used to carry broadcast information of the discovery signal.

[0030] In a feasible implementation manner of the first aspect, the discovery signal is sent using consecutive first radio frames and second radio frames as a sending unit, wherein:

[0031] The first and second symbols of the first radio frame and the first and second symbols of the second radio frame are used to carry the management node to terminal node link control information of the discovery signal;

[0032] The third symbol of the first radio frame is used to carry the first synchronization signal of the discovery signal;

[0033] The fourth symbol of the first radio frame is used to carry the second synchronization signal of the discovery signal;

[0034] The fifth to eighth symbols of the first radio frame and the fifth to eighth symbols of the second radio frame are used to carry broadcast information of the discovery signal.

[0035] In a second aspect, the present application provides an electronic device, comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein when the computer program instructions are executed by the processor, the electronic device is triggered to execute the method steps described in the embodiments of the present application.

[0036] According to the above technical solution proposed in the embodiment of the present application, at least the following technical effects can be achieved:

[0037] According to the method of one embodiment of the present application, a discovery signal can be sent to realize the functions of cell identification, synchronization and RRM measurement; compared with the prior art, according to the method of one embodiment of the present application, the structure of the signal transmission is simple, the data length is short, the implementation difficulty is low, and it has high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 FIG. 2 is a schematic diagram of a discovery signal structure according to an embodiment of the present application;

[0039] Figure 2 FIG. 2 is a schematic diagram of a discovery signal structure according to an embodiment of the present application;

[0040] Figure 3 FIG. 2 is a schematic diagram of a discovery signal structure according to an embodiment of the present application;

[0041] Figure 4 FIG. 4 is a schematic diagram of a discovery signal structure according to an embodiment of the present application. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in combination with the specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0043] The terms used in the implementation section of this application are only used to explain the specific embodiments of this application and are not intended to limit this application.

[0044] In view of the problem that a base station needs to send a discovery signal (DRS) to implement functions of cell identification, synchronization and RRM measurement in the prior art, the present application provides a method for sending a discovery signal.

[0045] Since DRS needs to take on the functions of cell identification, synchronization and RRM measurement, DRS needs to include a synchronization signal. The synchronization signal is used to select the strongest cell and support DRS-based RRM measurement.

[0046] The synchronization signal is a signal used for time and frequency synchronization in a wireless short-range communication system, for example, the primary synchronization signal (PSS) / secondary synchronization signal (SSS). In actual application scenarios, two synchronization signals are grouped together, so DRS needs to include two synchronization signals. Specifically, in one embodiment, among the same group of synchronization signals, the synchronization signal that appears first in the time domain is the first synchronization signal (FSS), and the synchronization signal that appears later in the time domain is the second synchronization signal (SSS).

[0047] Furthermore, the DRS also includes the most basic broadcast information, which is used to provide information such as the initial radio frame symbol ratio information and the super frame number in the cell.

[0048] In order to include synchronization signals and broadcast information in DRS, a feasible DRS solution is to send DRS based on multiple super frames. Specifically, a super frame is a time length consisting of 48 radio frames. In a super frame, the radio frame number where the broadcast information starts is #N. offset (N offset sent via broadcast messages).

[0049] The sequence of the first synchronization signal is mapped to #(N offset +2) wireless frame, specifically, the first synchronization signal is mapped by the last system overhead symbol in the wireless frame.

[0050] The sequence of the second synchronization signal is mapped to #(N offset +3) wireless frame, specifically, the first synchronization signal is mapped by the last system overhead symbol in the wireless frame.

[0051] Broadcast messages using #N sf The 8 system overhead symbols of the 4 consecutive superframes at the beginning of the superframe are transmitted. Specifically, each superframe uses 2 system overhead symbols, namely #N offset The last system overhead symbol in the radio frame and #(N offset +1) the last system overhead symbol in the radio frame. sf is a multiple of 4, N offset The broadcast information is sent through the broadcast information. The symbol sequence d after the broadcast information is coded and modulated i In the 8 symbols, mapping is performed in the order of low-frequency subcarriers first and high-frequency subcarriers in each symbol according to the time order of the symbols.

[0052] Based on the above scheme, although a DRS including synchronization signals and broadcast information can be constructed, in the above scheme, the synchronization signals and broadcast information are divided into multiple wireless frames / superframes, and DRS needs to be implemented based on multiple superframes. If the mapping positions of the above synchronization signals and broadcast information are still used, channel access will be very complicated.

[0053] Therefore, an embodiment of the present application further proposes a discovery signal sending method using a radio frame as a sending unit. The discovery signal sending is performed by a grant node (G node), which is a node that sends data scheduling information to the communication system. Specifically, two consecutive radio frames are used as the sending unit (the first of the two radio frames is denoted as N offset ), sending DRS within the discovery signal measurement time window, where:

[0054] DRS includes two synchronization signals and broadcast information;

[0055] For any subcarrier spacing, a DRS is limited to two consecutive radio frames of the current subcarrier spacing.

[0056] According to the method of one embodiment of the present application, a discovery signal can be sent to realize the functions of cell identification, synchronization and RRM measurement; compared with the prior art, according to the method of one embodiment of the present application, the structure of the signal transmission is simple, the data length is short, the implementation difficulty is low, and it has high practicality.

[0057] Furthermore, since a DRS is limited to two consecutive radio frames of the current subcarrier spacing for any subcarrier spacing. Therefore, for different subcarrier spacings, the discovery signal can adopt a unified signal pattern design. In one embodiment of the present application, for different subcarrier spacings, the discovery signal adopts a unified signal pattern design. In this way, the terminal node (Terminal Node, T node) (the terminal node is a node that receives data scheduling information in the communication system and sends data according to the data scheduling information) does not need to dynamically change the discovery signal pattern according to the subcarrier spacing, which greatly reduces the complexity of the signal structure design. In addition, the G node can flexibly determine the sending time of the discovery signal according to the channel access time.

[0058] Further, in an embodiment of the present application, the G node sends one or more continuous discovery signals within the discovery signal measurement time window. Specifically, when a discovery signal is sent within the discovery signal measurement time window, the discovery signal is in the first 2 radio frames.

[0059] Furthermore, in an embodiment of the present application, a discovery signal is sent using two consecutive radio frames as a sending unit, wherein each radio frame includes a synchronization signal.

[0060] Figure 1 FIG. 1 is a schematic diagram of a discovery signal structure according to an embodiment of the present application. Figure 1 As shown, the discovery signal is sent using continuous radio frames 110 and 120 as sending units, wherein:

[0061] The radio frame 110 includes eight symbols numbered 0 to 7;

[0062] The radio frame 120 includes eight symbols numbered 0 to 7;

[0063] The symbol numbered 0 of the radio frame 110 is used to carry the first synchronization signal of the discovery signal;

[0064] The symbol numbered 0 of the radio frame 120 is used to carry the second synchronization signal of the discovery signal;

[0065] Symbols numbered 1 to 4 of the radio frame 110 and symbols numbered 1 to 4 of the radio frame 120 (a total of 8 symbols) are used to carry broadcast information of the discovery signal.

[0066] Furthermore, in an embodiment of the present application, a discovery signal is sent using two consecutive radio frames as a sending unit, wherein the first radio frame includes two synchronization signals and the second radio frame does not include a synchronization signal.

[0067] Figure 2 FIG. 1 is a schematic diagram of a discovery signal structure according to an embodiment of the present application. Figure 2 As shown, the discovery signal is sent using continuous radio frames 210 and 220 as sending units, wherein:

[0068] The radio frame 210 includes eight symbols numbered 0 to 7;

[0069] The radio frame 220 includes eight symbols numbered 0 to 7;

[0070] The symbol numbered 0 of the radio frame 210 is used to carry the first synchronization signal of the discovery signal;

[0071] The symbol numbered 1 of the radio frame 210 is used to carry the second synchronization signal of the discovery signal;

[0072] Symbols numbered 2 to 5 of the radio frame 210 and symbols numbered 0 to 3 of the radio frame 220 (a total of 8 symbols) are used to carry broadcast information of the discovery signal.

[0073] Further, in an embodiment of the present application, the discovery signal is sent using two consecutive radio frames as a sending unit, and the same Figure 1 , Figure 2The illustrated embodiments configure the mapping location of the synchronization signal and / or the broadcast information in different ways.

[0074] Furthermore, in the communication system, the communication link from the management node to the terminal node is called a G link. The G link can carry data channels, control channels, broadcast channels, synchronization signals, etc. from the management node to the terminal node. For the G link, there is link control information from the management node to the terminal node (G link control information). In an application scenario, the transmission resources of the G link control information include public resources and T-node specific resources. The control information that can be transmitted in the G link control information public resources includes: second-category data information transmission overhead resource indication information, system message resource indication information, first-category data information transmission resource activation and deactivation information, and second-category data information transmission dynamic scheduling information. The control information that can be transmitted in the G link control information T-node specific includes: first-category data information transmission resource activation and deactivation information (58 bits), and second-category data information transmission dynamic scheduling information.

[0075] In one embodiment of the present application, in order to expand the application scenarios of the discovery signal, the discovery signal also includes G link control information.

[0076] Figure 3 FIG. 1 is a schematic diagram of a discovery signal structure according to an embodiment of the present application. Figure 3 As shown, the discovery signal is sent using continuous radio frames 310 and 320 as sending units, wherein:

[0077] The radio frame 310 includes eight symbols numbered 0 to 7;

[0078] The radio frame 320 includes eight symbols numbered 0 to 7;

[0079] The symbol numbered 0 of the radio frame 310 and the symbol numbered 0 of the radio frame 320 are used to carry the G link control information;

[0080] Symbol numbered 3 of the radio frame 310 is used to carry a first synchronization signal of a discovery signal;

[0081] The symbol numbered 3 of the radio frame 320 is used to carry the second synchronization signal of the discovery signal;

[0082] Symbols numbered 4 to 7 of the radio frame 310 and symbols numbered 4 to 7 of the radio frame 320 (a total of 8 symbols) are used to carry broadcast information of the discovery signal.

[0083] Figure 4 FIG. 1 is a schematic diagram of a discovery signal structure according to an embodiment of the present application. Figure 4 As shown, the discovery signal is sent using continuous radio frames 410 and 420 as sending units, wherein:

[0084] The radio frame 410 includes eight symbols numbered 0 to 7;

[0085] The radio frame 420 includes eight symbols numbered 0 to 7;

[0086] Symbols numbered 0 and 1 of radio frame 410 and symbols numbered 0 and 1 of radio frame 420 are used to carry G link control information;

[0087] The symbol numbered 2 of the radio frame 410 is used to carry the first synchronization signal of the discovery signal;

[0088] Symbol numbered 3 of the radio frame 410 is used to carry a second synchronization signal of a discovery signal;

[0089] Symbols numbered 4 to 7 of the radio frame 310 and symbols numbered 4 to 7 of the radio frame 420 (8 symbols in total) are used to carry broadcast information of the discovery signal.

[0090] Further, in an embodiment of the present application, the discovery signal is sent using two consecutive radio frames as a sending unit, and the same Figure 3 , Figure 4 The illustrated embodiments configure the length and / or mapping position of the G link control information in different ways.

[0091] An embodiment of the present application further proposes an electronic device, which includes a memory for storing computer program instructions and a processor for executing the program instructions, wherein when the computer program instructions are executed by the processor, the electronic device is triggered to execute the method steps described in the embodiment of the present application.

[0092] Specifically, in one embodiment of the present application, the above-mentioned one or more computer programs are stored in the above-mentioned memory, and the above-mentioned one or more computer programs include instructions. When the above-mentioned instructions are executed by the above-mentioned device, the above-mentioned device executes the method steps described in the embodiment of the present application.

[0093] Specifically, in one embodiment of the present application, the processor of the electronic device may be a SOC device on a chip, which may include a central processing unit (CPU), and may further include other types of processors. Specifically, in one embodiment of the present application, the processor of the electronic device may be a PWM control chip.

[0094] Specifically, in an embodiment of the present application, the processor involved may include, for example, a CPU, a DSP, a microcontroller or a digital signal processor, and may also include a GPU, an embedded neural network processor (Neural-network Process Units, NPU) and an image signal processor (Image Signal Processing, ISP). The processor may also include necessary hardware accelerators or logic processing hardware circuits, such as ASICs, or one or more integrated circuits for controlling the execution of the program of the technical solution of the present application. In addition, the processor may have the function of operating one or more software programs, and the software programs may be stored in a storage medium.

[0095] Specifically, in one embodiment of the present application, the memory of the electronic device may be a read-only memory (ROM), other types of static storage devices that can store static information and instructions, a random access memory (RAM) or other types of dynamic storage devices that can store information and instructions, or an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (including compressed optical discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), a magnetic disk storage medium or other magnetic storage devices, or may be any computer-readable medium that can be used to carry or store desired program codes in the form of instructions or data structures and can be accessed by a computer.

[0096] Specifically, in an embodiment of the present application, the processor and the memory can be combined into a processing device, more commonly, they are independent components, and the processor is used to execute the program code stored in the memory to implement the method described in the embodiment of the present application. In specific implementation, the memory can also be integrated into the processor, or independent of the processor.

[0097] Furthermore, the device described in the embodiments of the present application can be implemented by a computer chip or entity, or by a product with a certain function.

[0098] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, devices, or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media containing computer-usable program code.

[0099] In the several embodiments provided in the present application, if any function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present application.

[0100] Specifically, in one embodiment of the present application, a computer-readable storage medium is further provided, in which a computer program is stored. When the computer program is run on a computer, the computer executes the method provided in the embodiment of the present application.

[0101] An embodiment of the present application further provides a computer program product, which includes a computer program. When the computer program is run on a computer, the computer executes the method provided by the embodiment of the present application.

[0102] The embodiments described in this application are described with reference to the flowcharts and / or block diagrams of the methods, devices, and computer program products according to the embodiments of the application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0103] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0104] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0105] It should also be noted that in the embodiments of the present application, "at least one" refers to one or more, and "more than one" refers to two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent the existence of A alone, the existence of A and B at the same time, and the existence of B alone. Among them, A and B can be singular or plural. The character " / " generally indicates that the previous and subsequent associated objects are in an "or" relationship. "At least one of the following" and similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one of a, b and c can be represented by: a, b, c, a and b, a and c, b and c, or a and b and c, where a, b, c can be single or multiple.

[0106] In the embodiments of the present application, the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of further restrictions, an element defined by the sentence "includes a ..." does not exclude the presence of other identical elements in the process, method, commodity or device including the element.

[0107] The present application may be described in the general context of computer-executable instructions executed by a computer, such as program modules. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform specific tasks or implement specific abstract data types. The present application may also be practiced in distributed computing environments where tasks are performed by remote processing devices connected through a communication network. In a distributed computing environment, program modules may be located in local and remote computer storage media, including storage devices.

[0108] The various embodiments in the present application are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0109] Those skilled in the art will appreciate that the various algorithm steps described in the embodiments of the present application can be implemented by a combination of electronic hardware, computer software, and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0110] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the above-described devices, apparatuses and units can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0111] The above is only a specific implementation of the present application. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. The protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A method for sending a discovery signal, characterized in that: include: Taking two consecutive radio frames as sending units, within the discovery signal measurement time window, taking consecutive first radio frames and second radio frames as sending units to send a discovery signal, wherein: The discovery signal includes two synchronization signals and broadcast information, wherein the two synchronization signals are synchronization signals of the same group; For any subcarrier spacing, one discovery signal is limited to two consecutive radio frames of the current subcarrier spacing; In the case where the discovery signal does not include the management node to terminal node link control information: the first symbol of the first radio frame is used to carry the first synchronization signal of the discovery signal, the first symbol of the second radio frame is used to carry the second synchronization signal of the discovery signal, and the second to fifth symbols of the first radio frame and the second to fifth symbols of the second radio frame are used to carry the broadcast information of the discovery signal; or, the first symbol of the first radio frame is used to carry the first synchronization signal of the discovery signal, the second symbol of the first radio frame is used to carry the second synchronization signal of the discovery signal, and the third to sixth symbols of the first radio frame and the first to fourth symbols of the second radio frame are used to carry the broadcast information of the discovery signal; In the case where the discovery signal includes link control information from a management node to a terminal node: the first symbol of the first radio frame and the first symbol of the second radio frame are used to carry the link control information from a management node to a terminal node of the discovery signal, the fourth symbol of the first radio frame is used to carry the first synchronization signal of the discovery signal, the fourth symbol of the second radio frame is used to carry the second synchronization signal of the discovery signal, the fifth to eighth symbols of the first radio frame and the fifth to eighth symbols of the second radio frame are used to carry the broadcast information of the discovery signal; or, the first and second symbols of the first radio frame and the first and second symbols of the second radio frame are used to carry link control information from a management node to a terminal node of the discovery signal, the third symbol of the first radio frame is used to carry the first synchronization signal of the discovery signal, the fourth symbol of the first radio frame is used to carry the second synchronization signal of the discovery signal, the fifth to eighth symbols of the first radio frame and the fifth to eighth symbols of the second radio frame are used to carry the broadcast information of the discovery signal.

2. The method according to claim 1, characterized in that For different subcarrier spacings, the discovery signal adopts a unified signal pattern design.

3. The method according to claim 1, characterized in that The sending of the discovery signal within the discovery signal measurement time window comprises sending one or more continuous discovery signals within the discovery signal measurement time window.

4. The method according to claim 3, characterized in that: The sending of the discovery signal within the discovery signal measurement time window, wherein: When one discovery signal is sent within the discovery signal measurement time window, the discovery signal is in the first two radio frames.

5. An electronic device, characterized in that: The electronic device comprises a memory for storing computer program instructions and a processor for executing the program instructions, wherein when the computer program instructions are executed by the processor, the electronic device is triggered to execute the method as claimed in any one of claims 1 to 4.

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