Communication method and communication apparatus

Abstract

A communication method, comprising: a first communication device acquires first indication information, and on the basis of the first indication information, determines a first time-frequency resource that can be used for sending a first signal to a second communication device, and / or a second time-frequency resource that can be used for receiving a second signal from the second communication device. The first communication device and the second communication device support different communication protocols, that is, a time-frequency resource required for signal transmission in a scenario where a coexistence signal is transmitted between devices supporting different standards is explicitly indicated by means of the first indication information.

Description

Communication methods and communication devices

[0001] This application claims priority to Chinese Patent Application No. 202410922782.8, filed on July 8, 2024, entitled "Communication Method and Communication Apparatus", the entire contents of which are incorporated herein by reference. Technical Field

[0002] This application relates to the field of communications, and more specifically, to a communication method and a communication device. Background Technology

[0003] With the development of communication technology, the 6 GHz band is the main spectrum resource for the continued expansion of the mid-band. The allocation of this band is still under discussion. One spectrum resource allocation method under discussion is that cellular devices and wireless fidelity (WiFi) devices share the upper half of 6 GHz (U6 GHz). For example, the 6425 to 7125 MHz band in 6 GHz can be allocated to cellular communication and WiFi communication.

[0004] For example, cellular devices and WiFi devices can share spectrum resources by designing coexisting signals, and the transmission of coexisting signals has become an urgent problem to be solved. Summary of the Invention

[0005] This application provides a communication method to enable the transmission of signals that can coexist between devices that support different standards.

[0006] Firstly, a communication method is provided. This method can be executed by a first communication device. Unless otherwise specified, the "first communication device" in this application can refer to the first communication device itself (e.g., a network device, a terminal device, etc.), a component within the first communication device (e.g., a processor, a chip, or a chip system, etc.), or a logic module or software capable of implementing all or part of the functions of the first communication device. For ease of description, the following explanation uses execution by a first communication device as an example.

[0007] The communication method includes: acquiring first indication information, and determining first time-frequency resources and / or second time-frequency resources based on the first indication information, wherein the first time-frequency resources are used by the first communication device to send a first signal to a second communication device, and the second time-frequency resources are used by the first communication device to receive a second signal from the second communication device, wherein the first communication device supports a cellular communication protocol and the second communication device supports a wireless local area network protocol; or, the first communication device supports a wireless local area network communication protocol and the second communication device supports a cellular communication protocol.

[0008] Based on the above technical solution, the first communication device can determine, according to the acquired first indication information, a first time-frequency resource that can be used to send a first signal to the second communication device, and / or, according to the first indication information, a second time-frequency resource that can be used to receive a second signal from the second communication device. The first and second communication devices support different communication protocols; that is, the first indication information explicitly indicates the time-frequency resources required for signal transmission in a scenario where devices supporting different standards coexist.

[0009] In conjunction with the first aspect, in some implementations of the first aspect, the frequency domain resource corresponding to the first time-frequency resource is a first frequency domain resource, the first frequency domain resource includes k1 first sub-frequency domain resources, and the first indication information indicates the bandwidth and position of each of the k1 first sub-frequency domain resources; and / or, the frequency domain resource corresponding to the second time-frequency resource is a second frequency domain resource, the second frequency domain resource includes k2 second sub-frequency domain resources, and the first indication information indicates the bandwidth and position of each of the k2 second sub-frequency domain resources, wherein k1 and k2 are positive integers.

[0010] Based on the above technical solution, the first time-frequency resource consists of a first frequency domain resource and a first time domain resource, and the second time-frequency resource consists of a second frequency domain resource and a second time domain resource. The first frequency domain resource may include at least one first sub-frequency domain resource, and the second frequency domain resource may include at least one second sub-frequency domain resource. The premise for the first communication device to determine the first time-frequency resource and / or the second time-frequency resource according to the first indication information is that the first indication information can be used to indicate the first time-frequency resource and / or the second time-frequency resource.

[0011] For example, the first indication information indicating the first time-frequency resource may be: the first time-domain resource is predefined, and the first indication information indicates the bandwidth and location of at least one first sub-frequency domain resource included in the first frequency domain resource. That is, the first indication information explicitly indicates the size and location of the first frequency domain resource so as to enable the first communication device to know the frequency domain resource that can be used to send the first signal to the second communication device.

[0012] For example, the first indication information indicating the second time-frequency resource may be: the second time-domain resource is predefined, and the first indication information indicates the bandwidth and location of at least one second sub-frequency domain resource included in the second frequency-domain resource. That is, the first indication information explicitly indicates the size and location of the second frequency-domain resource to support the first communication device in knowing the frequency-domain resources that can be used to receive the second signal from the second communication device.

[0013] In conjunction with the first aspect, in some implementations of the first aspect, the first frequency domain resource and the second frequency domain resource are the same.

[0014] Based on the above technical solution, the frequency domain resources corresponding to the first and second time-frequency resources can be the same. That is, the first and second frequency domain resources can be identical. Therefore, when the first indication information needs to indicate the first and second time-frequency resources, the first indication information only needs to indicate the frequency domain resource corresponding to one of the first and second time-frequency resources, which can save signaling overhead to a certain extent. For example, the first indication information can indicate the size and position of the first frequency domain resource to indicate the frequency domain resources corresponding to the first and second time-frequency resources.

[0015] In conjunction with the first aspect, in some implementations of the first aspect, when k1 is a positive integer greater than or equal to 2, the first indication information further indicates k1 first offset durations corresponding to the k1 first sub-frequency domain resources, where the i-th first offset duration is the duration between a first time point and a second time point, the first time point is the earliest time when the first signal or the second signal is transmitted among the k1 first sub-frequency domain resources, and the second time point is the time when the first signal or the second signal begins to be transmitted on the i-th first sub-frequency domain resource corresponding to the i-th first offset duration, where i is less than or equal to 2. The first indication information further indicates k2 second offset durations corresponding to the k2 second sub-frequency domain resources when k2 is a positive integer greater than or equal to 2, wherein the j-th second offset duration is the duration between the third time and the fourth time, the third time is the earliest time when the first signal or the second signal is transmitted among the k2 second sub-frequency domain resources, and the fourth time is the time when the first signal or the second signal is started to be transmitted on the j-th second sub-frequency domain resource corresponding to the j-th second offset duration, wherein j is a positive integer less than or equal to k2.

[0016] Based on the above technical solution, when the first frequency domain resource includes multiple first sub-frequency domain resources, the first indication information can indicate the offset duration for starting signal transmission on the multiple first sub-frequency domain resources. Similarly, when the second frequency domain resource includes multiple second sub-frequency domain resources, the first indication information can indicate the offset duration for starting signal transmission on the multiple second sub-frequency domain resources. This allows for the support of signal transmission with different timing requirements. For example, for signals with sequential transmission requirements, signals that need to be transmitted earlier can be transmitted on sub-frequency domain resources with smaller offset durations.

[0017] In conjunction with the first aspect, in certain implementations of the first aspect, the time-domain resource corresponding to the first time-frequency resource is a first time-domain resource, the first time-domain resource includes k1 first sub-time-domain resource groups, and the first indication information indicates the position of the i-th first sub-time-domain resource group in the i-th first sub-frequency-domain resource, where i is a positive integer less than or equal to k1; and / or, the time-domain resource corresponding to the second time-frequency resource is a second time-domain resource, the second time-domain resource includes k2 second sub-time-domain resource groups, and the first indication information indicates the position of the j-th second sub-time-domain resource group in the j-th second sub-frequency-domain resource, where j is a positive integer less than or equal to k2.

[0018] Based on the above technical solution, the first time domain resource corresponding to the first time-frequency resource exists on the k1 first sub-frequency domain resources included in the first frequency domain resource corresponding to the first time-frequency resource. Therefore, the first time domain resource includes k1 first sub-time domain resource groups. The first indication information indicates the position of the k1 first sub-time domain resource groups on the k1 first sub-frequency domain resources, thereby clearly indicating the position of the first time-frequency resource.

[0019] Similarly, the second time-domain resource corresponding to the second time-frequency resource exists on the k2 second sub-frequency domain resources included in the second frequency domain resource corresponding to the second time-frequency resource. Therefore, the second time-domain resource includes k2 groups of second sub-time domain resources. The first indication information indicates the position of the k2 groups of second sub-time domain resources on the k1 second sub-frequency domain resources, thereby clearly indicating the position of the second time-frequency resource.

[0020] In conjunction with the first aspect, in some implementations of the first aspect, if the first frequency domain resource and the second frequency domain resource are the same, including the k1 first sub-frequency domain resources, then k1 is equal to k2, and the first indication information indicates the position of the i-th first sub-time domain resource group and the i-th second sub-time domain resource group in the i-th first sub-frequency domain resource.

[0021] Based on the above technical solution, when the frequency domain resources corresponding to the first time-frequency resource and the second time-frequency resource are the same, the first indication information can indicate the position of the first time-frequency resource and the second time domain resource in the frequency domain resource, without needing to indicate the position of the first time domain resource in the first frequency domain resource and the position of the second time domain resource in the second frequency domain resource respectively, thus saving signaling overhead.

[0022] In conjunction with the first aspect, in some implementations of the first aspect, the first indication information indicates the position of the i-th first sub-time domain resource group and the i-th second sub-time domain resource group in the i-th first sub-frequency domain resource, including: the first indication information indicates the first duration of the first sub-time domain resource included in the i-th first sub-time domain resource group and the second duration of the second sub-time domain resource included in the i-th second sub-time domain resource group, wherein the end time of the first duration is the start time of the second duration, or the end time of the second duration is the start time of the first duration.

[0023] Based on the above technical solution, when the frequency domain resources corresponding to the first time-frequency resource and the second time-frequency resource are the same, and the first time-domain resource and the second time-domain resource are continuous in the time domain, the position of the first sub-time domain resource and the second sub-time domain resource on a certain first sub-frequency domain resource can be indicated by indicating the size of the first sub-time domain resource and the size of the second sub-time domain resource. This indication method has low signaling overhead.

[0024] In conjunction with the first aspect, in certain implementations of the first aspect, the first indication information indicating the position of the i-th first sub-time domain resource group in the i-th first sub-frequency domain resource includes: the first indication information indicating the first duration and first period of the first sub-time domain resource included in the i-th first sub-time domain resource group; and / or, the first indication information indicating the position of the j-th second sub-time domain resource group in the j-th second sub-frequency domain resource includes: the first indication information indicating the second duration and second period of the second sub-time domain resource included in the j-th second sub-time domain resource group.

[0025] Based on the above technical solution, the first indication information can indicate the location of the first sub-time domain resource on the first sub-frequency domain resource by indicating the size and period of the first sub-time domain resource on the first sub-frequency domain resource; similarly, the first indication information can indicate the location of the second sub-time domain resource on the second sub-frequency domain resource by indicating the size and period of the second sub-time domain resource on the second sub-frequency domain resource, so that the first communication device can clearly know the location of the time domain resource corresponding to the first time-frequency resource and / or the location of the time domain resource corresponding to the second time-frequency resource based on the first indication information.

[0026] In conjunction with the first aspect, in some implementations of the first aspect, the i-th first sub-frequency domain resource corresponds to at least one third time-frequency resource, the third time-frequency resource being used to transmit signals other than the first signal and the second signal; and / or, the j-th second sub-frequency domain resource corresponds to at least one fourth time-frequency resource, the fourth time-frequency resource being used to transmit signals other than the first signal and the second signal.

[0027] Based on the above technical solution, a resource for transmitting other signals can exist on a certain first sub-frequency domain resource. Similarly, a resource for transmitting other signals can also exist on a certain second sub-frequency domain resource. That is, the first time domain resource and the second time domain resource can be discontinuous in the time domain, and the required resources can be flexibly configured as needed.

[0028] In conjunction with the first aspect, in some implementations of the first aspect, the first indication information further indicates the number of times the first signal is continuously transmitted, and / or the number of times the second signal is continuously transmitted.

[0029] Based on the above technical solution, the first indication information can configure the number of transmissions of the first signal and / or the second signal, thereby adapting to different signal transmission scenarios. For example, if the first signal is a measurement signal and the second signal is a feedback signal, the first indication information can be used to instruct the first signal to be transmitted multiple times in order to improve measurement accuracy.

[0030] In conjunction with the first aspect, in some implementations of the first aspect, the first duration is equal to the second duration; and / or, the first period is equal to the second period.

[0031] Based on the above technical solution, the size of the first sub-time domain resource can be equal to the size of the second sub-time domain resource. Furthermore, the period of the first sub-time domain resource can be equal to the period of the second sub-time domain resource. Therefore, the first indication information can indicate only the size and period of the first sub-time domain resource, or only the size and period of the second sub-time domain resource, saving signaling overhead.

[0032] In conjunction with the first aspect, in some implementations of the first aspect, the method further includes: obtaining second indication information, the second indication information being used to indicate the updated first time-frequency resource and / or the updated second time-frequency resource.

[0033] Based on the above technical solution, the time and frequency resources required for transmitting signals can be flexibly adjusted through the second indication information. For example, when the required resources decrease, adjustments can be made in a timely manner through the second indication information, thereby reducing the occupation of transmission resources and improving resource utilization.

[0034] In conjunction with the first aspect, in certain implementations of the first aspect, the first signal and / or the second signal carries at least one of the following information: information on signal measurements between the first communication device and the second communication device, information on time synchronization between the first communication device and the second communication device, or information on interactions between the first communication device and the second communication device.

[0035] Based on the above technical solution, the information carried by the resources allocated for transmitting the first signal and / or the second signal can exist in various forms, thereby improving the flexibility of the solution.

[0036] In conjunction with the first aspect, in some implementations of the first aspect, obtaining the first indication information includes: generating the first indication information; or receiving the first indication information from the second communication device; or receiving the first indication information from the management device.

[0037] Based on the above technical solution, the first communication device can obtain the first indication information in multiple ways, thereby improving the flexibility of the solution.

[0038] Secondly, a communication device is provided. The communication device is used to execute the first aspect described above and any of its embodiments. Specifically, the communication device includes a processor and a memory for storing a computer program; the processor is used to retrieve and run the computer program from the memory, causing the communication device to execute the first aspect described above and any of its embodiments.

[0039] In one implementation, the communication device is a first communication equipment. When the communication device is a first communication equipment, the transceiver unit can be a transceiver or an input / output interface. The processing unit can be at least one processor. Optionally, the transceiver can be a transceiver circuit. Optionally, the input / output interface can be an input / output circuit.

[0040] In another implementation, the communication device can be a chip, chip system, or circuit in the first communication device. In this case, the transceiver unit can be an input / output interface, interface circuit, output circuit, input circuit, pin, or related circuit on the chip, chip system, or circuit; the processing unit can be at least one processor, processing circuit, or logic circuit.

[0041] Thirdly, a computer-readable storage medium is provided. This computer-readable storage medium stores a computer program that, when executed, causes the method of any implementation of the first aspect to be performed.

[0042] Fourthly, a computer program product containing instructions is provided. When the computer program product is run, it causes the method provided by any implementation of the first aspect to be executed.

[0043] Fifthly, a chip is provided, the chip including a processor and a communication interface, the processor reading instructions through the communication interface and executing the method provided by any of the implementations of the first aspect above.

[0044] Optionally, as one implementation, the chip also includes a memory that stores computer programs or instructions, and a processor that executes the computer programs or instructions stored in the memory. When the computer programs or instructions are executed, the processor executes the method provided by any of the implementations of the first aspect described above.

[0045] Sixthly, a communication system is provided, including the communication device of the second aspect.

[0046] Seventhly, a computer program is provided. When the computer program is run, it causes the method provided by any implementation of the first aspect to be executed. Attached Figure Description

[0047] Figure 1 is a schematic diagram of a communication system applicable to this application.

[0048] Figure 2 is a schematic flowchart of a communication method provided in an embodiment of this application.

[0049] Figure 3 is a schematic diagram of a time-frequency resource provided in an embodiment of this application.

[0050] Figure 4 is a schematic diagram of another time-frequency resource provided in an embodiment of this application.

[0051] Figure 5 is a schematic diagram of another time-frequency resource provided in an embodiment of this application.

[0052] Figure 6 is a schematic diagram of another time-frequency resource provided in an embodiment of this application.

[0053] Figure 7 is a schematic diagram of another time-frequency resource provided in an embodiment of this application.

[0054] Figure 8 is a schematic diagram of another time-frequency resource provided in an embodiment of this application.

[0055] Figure 9 is a schematic diagram of another time-frequency resource provided in an embodiment of this application.

[0056] Figure 10 is a schematic diagram of another time-frequency resource provided in an embodiment of this application.

[0057] Figure 11 is a schematic diagram of another time-frequency resource provided in an embodiment of this application.

[0058] Figure 12 is a schematic diagram of another time-frequency resource provided in an embodiment of this application.

[0059] Figure 13 is a schematic diagram of another time-frequency resource provided in an embodiment of this application.

[0060] Figure 14(a) and (b) are schematic diagrams of the signal frame format provided in the embodiments of this application.

[0061] Figure 15 is a schematic block diagram of a communication device provided in an embodiment of this application.

[0062] Figure 16 is a schematic diagram of another communication device provided in an embodiment of this application.

[0063] Figure 17 is a schematic diagram of a chip system provided in an embodiment of this application.

[0064] Figure 18 is a schematic diagram of another chip system provided in an embodiment of this application. Detailed Implementation

[0065] To facilitate understanding of the embodiments of this application, the following points will be explained first.

[0066] First, in this application, "for indicating" can include both direct and indirect indication. When describing an indication message as indicating A, it can include whether the indication message directly indicates A or indirectly indicates A, but does not necessarily mean that the indication message carries A.

[0067] The information indicated by the instruction is called the information to be instructed. In the specific implementation process, there are many ways to indicate the information to be instructed, such as, but not limited to, directly indicating the information to be instructed, such as the information to be instructed itself or its index. It can also be indirectly indicated by indicating other information, where there is a relationship between the other information and the information to be instructed. It can also indicate only a part of the information to be indicated, while the other parts are known or pre-agreed upon. For example, the instruction of specific information can be achieved by using a pre-agreed (e.g., protocol-defined) arrangement of various pieces of information, thereby reducing instruction overhead to some extent. At the same time, common parts of various pieces of information can be identified and indicated uniformly to reduce the instruction overhead caused by individually indicating the same information.

[0068] Second, in this application, "at least one" refers to one or more, and "more than one" refers to two or more (including two). Furthermore, in the embodiments of this application, "first," "second," and various numerical designations (e.g., "#1," "#2," etc.) are merely for descriptive convenience and are not intended to limit the scope of the embodiments of this application. The sequence numbers of the processes below do not imply an order of execution; the execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of this application. It should be understood that the objects described in this way can be interchanged where appropriate to describe solutions other than those in the embodiments of this application. Moreover, in the embodiments of this application, terms such as "S210" are merely identifiers for descriptive convenience and do not limit the order of execution steps.

[0069] Third, in the embodiments of this application, the words "exemplary" or "for example" are used to indicate that they are examples, illustrations, or descriptions. Any embodiment or design that is described as "exemplary" or "for example" in this application should not be construed as being more preferred or advantageous than other embodiments or design options. Specifically, the use of the words "exemplary" or "for example" is intended to present the relevant concepts in a specific manner.

[0070] Fourth, the term "storage" in the embodiments of this application can refer to storage in one or more memories. These memories can be separate installations or integrated into an encoder, decoder, processor, or communication device. Alternatively, some memories can be separately installed, while others can be integrated into the decoder, processor, or communication device. The type of memory can be any form of storage medium, and this application does not limit this.

[0071] Fifth, in the implementation of this application, "protocol" may refer to standard protocols in the field of communications, such as the NR protocol and related protocols applied in future communication systems, and this application does not limit it.

[0072] Sixth, in the embodiments of this application, the terms "of", "corresponding (relevant)", "corresponding", and "associate" can sometimes be used interchangeably. It should be noted that when their differences are not emphasized, their intended meanings are consistent.

[0073] Seventh, in the embodiments of this application, "under the circumstances", "when", and "if" can sometimes be used interchangeably. It should be noted that when the distinction is not emphasized, their intended meanings are consistent.

[0074] Eighth, the term "and / or" in this article is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, the character " / " in this article generally indicates that the preceding and following related objects have an "or" relationship.

[0075] Ninth, in this article, "message", "information", or "information element (IE)" can be used interchangeably. There are no restrictions on the name of the message or information, as long as it can achieve the corresponding function.

[0076] In this application, "send" and "receive" refer to the direction of signal transmission. For example, "send information to XX" can be understood as the destination of the information being XX, and "send information" can include direct transmission or indirect transmission through other units or modules. "Receive information from YY" can be understood as the source of the information being YY, and "receive information" can include direct reception from YY or indirect reception from YY through other units or modules. Besides air interface transmission or reception signals implemented at the system level, such as network devices or terminal devices, "send" can also be understood as the "output" of a chip interface, and "receive" can also be understood as the "input" of a chip interface. For example, a modem or system-on-a-chip (SoC) chip or system-in-package (SIP) chip transmits or receives signals. "Send" or "receive" can also be performed through device components, for example, by using buses, traces, or interfaces to transmit or receive signals through several parts, modules, or chips of a device.

[0077] The technical solutions in this application will now be described with reference to the accompanying drawings.

[0078] The technical solutions of this application embodiment can be applied to various communication systems, such as: Long Term Evolution (LTE) systems, LTE Frequency Division Duplex (FDD) systems, LTE Time Division Duplex (TDD) systems, Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication systems, 5th Generation (5G) systems or new radio (NR) systems and future communication systems, vehicle-to-other devices (V2X), where V2X can include vehicle-to-network (V2N), vehicle-to-vehicle (V2V), vehicle-to-infrastructure (V2I), vehicle-to-pedestrian (V2P), etc., Long Term Evolution-V (LTE-V) technology for vehicle-to-everything (V2X), vehicle-to-everything (V2X), machine-type communication (MTC), and Internet of Things (IoT). Things (IoT), Long Term Evolution of Machines (LTE-M), Machine to Machine (M2M), Wireless Local Area Network (WLAN), etc.

[0079] Figure 1 is a schematic diagram of a communication system applicable to this application. As shown in Figure 1, the communication system 100 includes at least one network device, such as network device 111, network device 112, and network device 113 shown in Figure 1. The wireless communication system may also include at least one terminal device, such as terminal device 121, terminal device 122, terminal device 123, terminal device 124, terminal device 125, terminal device 126, and terminal device 127 shown in Figure 1.

[0080] As one possible implementation, the communication system shown in Figure 1 can be a communication system that conforms to the requirements of the 3rd Generation Partnership Project (3GPP) standard, referred to as a 3GPP network. 3GPP networks typically include, but are not limited to, 5G networks, 4th-generation (4G) mobile communication networks, and other future communication systems. In this implementation, the network equipment and terminal equipment can be communication devices within the 3GPP network.

[0081] For example, in this implementation, network devices and terminal devices can communicate with each other, including but not limited to: multi-site transmission, enhanced mobile broadband (eMBB) transmission, etc., wherein network devices 112 and 113 as shown in FIG1 can transmit with terminal device 124 through multi-site transmission, and network device 112 as shown in FIG1 can transmit with terminal devices 121, 122 and 123 through eMBB transmission.

[0082] For example, in this implementation, network devices can also communicate with each other, including but not limited to: backhaul. As shown in FIG1, network device 111 and network device 112 can communicate through backhaul, and network device 111 and network device 113 can also communicate through backhaul. In this case, network device 112 and network device 113 can act as relay nodes in the system.

[0083] For example, in this implementation, terminal devices can also communicate with each other, including but not limited to: device-to-device (D2D) transmission, as shown in FIG1, terminal device 122 can communicate with terminal device 125 through D2D transmission.

[0084] A network device is a network-side device with wireless transceiver capabilities. A network device can be a device in a radio access network (RAN) that provides wireless communication capabilities to terminal devices. Network devices can be cellular systems related to the 3rd Generation Partnership Project (3GPP), such as 5G mobile communication systems, or future-oriented evolution systems. Network devices can also be open radio access networks (O-RAN or ORAN), cloud radio access networks (CRAN), or wireless fidelity (WiFi) systems. For example, the network device can be a base station, an evolved NodeB (eNodeB), a next-generation NodeB (gNB) in a 5G mobile communication system, a 3GPP subsequent evolution base station, a transmission reception point (TRP), an access node, a wireless relay node, or a wireless backhaul node in a WiFi system. In communication systems employing different radio access technologies (RATs), the names of devices with base station capabilities may differ. For example, in an LTE system, it may be called an eNB or eNodeB, and in a 5G or NR system, it may be called a gNB. This application does not limit the specific name of the base station. The network equipment may include one or more co-located or non-co-located transmitting and receiving points. Furthermore, the network equipment may include at least one of the following: one or more central units (CUs), one or more distributed units (DUs), and one or more radio units (RUs).

[0085] In different systems, CU (or CU-CP and CU-UP), DU, or RU may have different names, but those skilled in the art will understand their meaning. For example, in an ORAN system, CU can also be called O-CU (open CU), DU can also be called O-DU (open DU), CU-CP can also be called O-CU-CP, CU-UP can also be called O-CU-UP, and RU can also be called O-RU. Any of the units among CU (or CU-CP, CU-UP), DU, and RU in this application can be implemented through software modules, hardware modules, or a combination of software and hardware modules. Exemplarily, the function of CU can be implemented by one entity or different entities. For example, the function of CU can be further divided, that is, the control plane and user plane can be separated and implemented through different entities, namely the control plane CU entity (i.e., the CU-CP entity) and the user plane CU entity (i.e., the CU-UP entity). The CU-CP entity and the CU-UP entity can be coupled with the DU to jointly complete the function of the access network device. For example, the CU (Complex Unit) is responsible for handling non-real-time protocols and services, implementing the functions of the radio resource control (RRC) and packet data convergence protocol (PDCP) layers. The DU (Digital Unit) is responsible for handling physical layer protocols and real-time services, implementing the functions of the radio link control (RLC), media access control (MAC), and physical (PHY) layers. This allows multiple network function entities to implement some of the functions of a radio access network device. These network function entities can be network elements in hardware devices, software functions running on dedicated hardware, or virtualized functions instantiated on a platform (e.g., a cloud platform). Network devices can also include active antenna units (AAUs). The AAU implements some physical layer processing functions, radio frequency processing, and related functions of the active antenna. Since RRC layer information ultimately becomes PHY layer information, or is derived from PHY layer information, in this architecture, higher-layer signaling, such as RRC layer signaling, can also be considered as being sent by the DU, or by the DU+AAU. It is understood that network devices can be one or more of the following: CU nodes, DU nodes, and AAU nodes. Furthermore, a CU can be classified as a network device in the RAN, or it can be classified as a network device in the core network (CN); this application does not limit this classification.For example, in vehicle-to-everything (V2X) technology, the access network equipment can be a roadside unit (RSU). Multiple access network devices in the communication system can be base stations of the same type or different types. Base stations can communicate with terminal devices, or they can communicate with terminal devices through relay stations. In this embodiment, the device used to implement the network device function can be the network device itself, or a device that supports the network device in implementing that function, such as a chip system or a combination of devices or components that can implement the access network device function. This device can be installed in the network device. In this embodiment, the chip system can be composed of chips, or it can include chips and other discrete devices.

[0086] A terminal device is a user-side device with wireless transceiver capabilities. It can be a fixed device, mobile device, handheld device (e.g., mobile phone), wearable device, in-vehicle device, or a wireless device (e.g., communication module, modem, or chip system) built into the aforementioned devices. Terminal devices are used to connect people, objects, and machines, and can be widely used in various scenarios, such as: cellular communication, D2D communication, V2X communication, machine-to-machine / machine-type communications (M2M / MTC), the Internet of Things (IoT), virtual reality (VR), augmented reality (AR), industrial control, self-driving, remote medical care, smart grids, smart furniture, smart offices, smart wearables, smart transportation, smart cities, drones, robots, etc. For example, a terminal device can be a handheld terminal in cellular communication, a communication device in D2D, an IoT device in MTC, a surveillance camera in smart transportation and smart cities, or a communication device on a drone. Terminal equipment is sometimes referred to as user equipment (UE), user terminal, user device, user unit, user station, terminal, access terminal, access station, UE station, remote station, mobile device, or wireless communication device, etc. Terminal equipment can also be a terminal device in an IoT system. IoT is an important component of future information technology development. Its main technical characteristic is connecting objects to networks through communication technology, thereby realizing an intelligent network of human-machine interconnection and machine-to-machine interconnection. In the embodiments of this application, IoT technology can achieve massive connectivity, deep coverage, and terminal power saving through technologies such as narrowband (NB). In the embodiments of this application, the device used to implement the functions of the terminal equipment can be the terminal equipment itself, or it can be a device that supports the terminal equipment in implementing the functions, such as a chip system or a combination of devices or components that can implement the functions of the terminal equipment. This device can be installed in the terminal equipment. The terminal typically contains a communication module, circuit, or chip (such as a modem chip, also known as a baseband chip, or a system-on-chip (SoC) chip containing a modem core, or a system-in-package (SIP) chip) that performs the corresponding communication functions. The terminal can also be configured with program instructions for performing corresponding communication functions.

[0087] As another possible implementation, the communication system shown in Figure 1 can be a communication system that conforms to the requirements of the Wireless Local Area Network (WLAN) standard, referred to as a WLAN network. WLAN networks typically include, but are not limited to, Bluetooth, ZigBee, Ultra Wideband, IrDA infrared connectivity (infrared), HomeRF, and support for Institute of Electrical and Electronics Engineers (IEEE) 802.11 related standards, such as 802.11a / b / g, 802.11n, 802.11ac, 802.11ax, and the IEEE 802.11ax next-generation WiFi protocol. In this implementation, network devices and terminal devices can be communication devices within the WLAN network.

[0088] For example, in this implementation, the network device described above can be an access point (AP). An access point can be a node that allows a terminal (e.g., a mobile phone) to access a wired (or wireless) network. It is mainly deployed in homes, buildings, and campuses, with a typical coverage radius of tens to hundreds of meters. Of course, it can also be deployed outdoors. The access point acts as a bridge connecting wired and wireless networks, its main function being to connect various wireless network clients together and then connect the wireless network to the Ethernet.

[0089] For example, in this implementation, the terminal device can facilitate data communication between stations (STAs). A station can be a non-access point station (non-AP STA), simply referred to as a non-AP station or STA. Specifically, the access point can be a terminal or network device equipped with a WiFi chip. This network device can be a server, router, switch, bridge, computer, mobile phone, relay station, vehicle-mounted equipment, wearable device, network equipment in a 5G network, network equipment in future communication networks, or network equipment in a public land mobile network (PLMN), etc., and this application embodiment is not limited to these categories. The access point can be a device that supports the WiFi standard. For example, access points can also support one or more standards from the IEEE 802.11 series, such as 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac, 802.11ax, 802.11be, 802.11ad, 802.11ay, 802.11bn, and 802.11bf.

[0090] For example, in this implementation, the non-AP site can be a wireless communication chip, wireless sensor, or wireless communication terminal, and may also be referred to as a user, user equipment (UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent, or user device. The non-AP site can be a cellular phone, cordless phone, session initiation protocol (SIP) phone, wireless local loop (WLL) station, personal digital assistant (PDA), handheld device with wireless communication capabilities, computing device or other processing device connected to a wireless modem, in-vehicle device, IoT device, wearable device, terminal device in a 5G network, terminal device in a future communication network, or terminal device in a PLMN, etc., and this application embodiment is not limited in this regard. The non-AP site can be a device that supports the WLAN standard. For example, non-AP sites can support one or more standards in the IEEE 802.11 series, such as 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac, 802.11ax, 802.11be, 802.11ad, 802.11ay, and 802.11bf.

[0091] For example, non-AP sites can be mobile phones, tablets, set-top boxes, smart TVs, smart wearable devices, vehicle communication devices, computers, Internet of Things (IoT) nodes, sensors, smart home devices such as smart cameras, smart remote controls, smart water and electricity meters, and sensors in smart cities.

[0092] The aforementioned AP or non-AP sites may include transmitters, receivers, memory, processors, etc., wherein the transmitter and receiver are used for transmitting and receiving packet structures, respectively, the memory is used for storing signaling information and pre-agreed preset values, etc., and the processor is used for parsing signaling information and processing related data, etc.

[0093] Network devices and terminal devices can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on water; and they can also be deployed in the air on airplanes, balloons, and satellites. This application does not limit the scenario in which the network devices and terminal devices are located.

[0094] For example, the communication system 100 may further include an application function (AF) network element, which is a control plane network function provided by the operator's network for providing application layer information; the communication system 100 may also include a session management function (SMF) network element, which is a control plane network function provided by the operator's network. In this embodiment, when the communication system 100 includes both AF and SMF network elements, the AF can send service-related information to the network device through the SMF.

[0095] To facilitate understanding of the embodiments of this application, the basic concepts involved in this application will be explained first.

[0096] 1. 6GHz band: As the main spectrum resource for the continued expansion of the mid-band, the allocation method for the 6GHz band is still under discussion.

[0097] For example, the allocation methods for the 6GHz band include, but are not limited to:

[0098] 1) Allocate the entire 6GHz band to WiFi;

[0099] 2) Allocate 5925-6425MHz of the 6GHz band to WiFi, and allocate the remaining 6425-7125MHz (which can be called U6G) to international mobile telecommunications (IMT). IMT can also be called cellular communication. In the following text, IMT and cellular communication can be used interchangeably.

[0100] 3) All or part of the U6G frequency band will be allocated for IMT, and the allocation of the remaining frequency band is not yet clear.

[0101] 4) U6G shared by cellular and WiFi. Potential coexistence methods include location-based coexistence (e.g., outdoor cellular, indoor WiFi) and time-sharing coexistence. Furthermore, methods to address coexistence interference could include:

[0102] ① A database-based approach, deployed via a coexisting server;

[0103] ② Methods based on augmented sensing, such as those based on coexistence signal interoperability. Potential implementations of coexistence signals include, but are not limited to, the following two:

[0104] As one possible implementation, cellular devices can implement WiFi signal formats, or WiFi devices can implement cellular signal formats, enabling interoperability between cellular devices and WiFi devices.

[0105] As another possible implementation, a new coexistence signal format is introduced, enabling both cellular and WiFi devices to resolve the coexistence signal.

[0106] 2. Coexistence signal (CS): The coexistence signal format is a signal format that both cellular devices and WiFi devices can parse. This application does not impose any limitations on the coexistence signal format; it can be a WiFi signal format implemented in the aforementioned cellular device, a cellular signal format implemented in the WiFi device, or a new coexistence signal format introduced.

[0107] The above text, in conjunction with Figure 1, briefly introduces the scenarios in which the communication method provided in the embodiments of this application can be applied, as well as the basic concepts that may be involved in the embodiments of this application. In the basic concepts, it introduces the current discussion on the allocation method of 6GHz band spectrum resources. One such method is that cellular devices and WiFi devices share a portion of the 6GHz band (e.g., cellular and WiFi share U6G).

[0108] For example, cellular devices and WiFi devices can share spectrum resources by designing coexisting signals. However, how to indicate the time and frequency resources required for coexisting signal transmission has become an urgent problem to be solved.

[0109] In order to indicate the time and frequency resources required for coexisting signal transmission, this application provides a communication method to achieve time and frequency resource indication in coexisting signal transmission scenarios between devices supporting different standards.

[0110] The communication method provided in this application can be applied to systems that communicate using multi-antenna technology, such as the communication system 100 shown in FIG1. ​​This communication system may include at least one network device and at least one terminal device.

[0111] The embodiments shown below do not specifically limit the structure of the execution entity of the method provided in the embodiments of this application. As long as communication can be performed according to the method provided in the embodiments of this application by running a program that records the code of the method provided in the embodiments of this application. For example, the method provided in the embodiments of this application can be executed by a first communication device. Unless otherwise specified, "first communication device" in this application can refer to the first communication device itself (e.g., a network device, a terminal device), a component in the first communication device (e.g., a processor, a chip, or a chip system), or a logic module or software that can implement all or part of the functions of the first communication device. As another example, the method provided in the embodiments of this application can be executed by a second communication device. Unless otherwise specified, "second communication device" in this application can refer to the second communication device itself (e.g., a network device, a terminal device), a component in the second communication device (e.g., a processor, a chip, or a chip system), or a logic module or software that can implement all or part of the functions of the second communication device.

[0112] In this application, the first communication device supports a first communication protocol, and the second communication device supports a second communication protocol. The first and second communication standards are different; that is, the first and second communication devices support different communication standards. For example, the first communication protocol is a cellular communication protocol (e.g., supporting 5G or future communication standards), and the second communication protocol is a wireless local area network (WLAN) protocol (e.g., supporting WiFi 7 or future WiFi standards); or, the first communication protocol is a WLAN communication protocol, and the second communication protocol is a cellular communication protocol.

[0113] By way of example and not limitation, the first communication device may be a network device or a terminal device that supports a first communication standard. For example, the first communication device may be a means of providing wireless communication functionality for a terminal device in the RAN system described above, such as a gNB; or, for example, a user-side device with wireless transceiver functionality in the RAN described above, such as a UE; or, for example, a node in the WLAN system described above where a terminal (e.g., a mobile phone) enters a wired (or wireless) network, such as an AP; or, for example, a user-side device with wireless transceiver functionality in the WLAN system described above, such as a STA.

[0114] By way of example and not limitation, the second communication device can be a network device or terminal device that supports a second communication standard. For example, the second communication device is a means of providing wireless communication functionality for terminal devices in the RAN system described above, such as a gNB; another example is a user-side device with wireless transceiver functionality in the RAN described above, such as a UE; yet another example is a node in the WLAN system described above where a terminal (e.g., a mobile phone) enters a wired (or wireless) network, such as an AP; and yet another example is a user-side device with wireless transceiver functionality in the WLAN system described above, such as a STA.

[0115] The specific forms of the first and second communication devices described above are merely examples and do not constitute any limitation on the scope of protection of this application. In this application, the first and second communication devices may support different communication standards, and examples will not be provided here.

[0116] For ease of description, the following description will use the example of a first communication device supporting a first communication standard and a second communication device supporting a second communication standard. If the first and second communication devices support other communication standards, the description of the case where the first communication device supports the first communication standard and the second communication device supports the second communication standard will be used as a reference and will not be repeated.

[0117] Figure 2 is a schematic flowchart of a communication method provided in an embodiment of this application, including the following steps:

[0118] S210, the first communication device obtains the first instruction information.

[0119] Specifically, the first indication information is used to indicate a first time-frequency resource and / or a second time-frequency resource, wherein the first time-frequency resource is used for the first communication device to send a first signal to the second communication device, and the second time-frequency resource is used for the first communication device to receive a second signal from the second communication device.

[0120] In this application, the first time-frequency resource can be used for the transmission of a first signal, that is, the first signal is carried on the first time-frequency resource. However, when the first communication device does not have a need to transmit the first signal, the first time-frequency resource can also be used to transmit other signals. Similarly, the second time-frequency resource can be used for the transmission of a second signal, that is, the second signal is carried on the second time-frequency resource. However, when the second communication device does not have a need to transmit the second signal, the second time-frequency resource can also be used to transmit other signals.

[0121] In addition, the second communication device can also obtain the first indication information. For the second communication device, the first time-frequency resource is used for the second communication device to receive the first signal from the first communication device, and the second time-frequency resource is used for the second communication device to send the second signal to the first communication device.

[0122] As one possible implementation, in this application, the first communication device and the second communication device can obtain the same first instruction information.

[0123] For example, the first indication information indicates a first time-frequency resource and a second time-frequency resource. For the first communication device, the first indication information indicates both the time-frequency resources that the first communication device can use to send a first signal to the second communication device and the time-frequency resources that the first communication device can use to receive a second signal from the second communication device. For the second communication device, the first indication information indicates both the time-frequency resources that the second communication device can use to receive a first signal from the first communication device and the time-frequency resources that the second communication device can use to send a first signal to the first communication device.

[0124] For example, the first indication information indicates the first time-frequency resources. For the first communication device, the first indication information indicates the time-frequency resources that the first communication device can use to send the first signal to the second communication device; for the second communication device, the first indication information indicates the time-frequency resources that the second communication device can use to receive the first signal from the first communication device.

[0125] For example, the first indication information indicates the second time-frequency resources. For the first communication device, the first indication information indicates the time-frequency resources that the first communication device can use to receive the second signal from the second communication device; for the second communication device, the first indication information indicates the time-frequency resources that the second communication device can use to send the first signal to the first communication device.

[0126] As another possible implementation, the first communication device and the second communication device can obtain different indication information.

[0127] For example, the first communication device obtains first indication information, which indicates a first time-frequency resource, and the second communication device obtains indication information #1, which indicates a second time-frequency resource. That is, the first communication device and the second communication device each obtain the time-frequency resources that can be used to send signals to the other end.

[0128] For example, the first communication device obtains a first indication information, which indicates a second time-frequency resource, and the second communication device obtains indication information #1, which indicates a first time-frequency resource. That is, the first communication device and the second communication device each obtain the time-frequency resources that can receive signals from the other end.

[0129] The methods by which the first communication device obtains the first indication information in this application include, but are not limited to, the following:

[0130] As one possible implementation, the first communication device generates the first instruction information.

[0131] In this implementation, the first communication device can obtain the first indication information by: the processor of the first communication device generating the first indication information and sending the first indication information to the transceiver of the first communication device, that is, the first communication device can be the sender of the first indication information.

[0132] For example, the first communication device is a cellular device. The cellular device competes for initial time-frequency resources in an available coexisting frequency band. The cellular device determines and transmits first indication information, such as sending the first indication information to the transceiver of the cellular device and the WiFi device. Alternatively, the first communication device is a WiFi device. The WiFi device competes for initial time-frequency resources in an available coexisting frequency band. The WiFi device determines and transmits first indication information, such as sending the first indication information to the transceiver of the cellular device and the WiFi device.

[0133] As another possible implementation, the first communication device may obtain the first indication information by receiving it from another device. For example, the first communication device may receive the first indication information from a second communication device; or, for example, the first communication device may receive the first indication information from a management device.

[0134] In this implementation, the first communication device can be the receiving end of the first indication information. For example, the first communication device is a cellular device or a WiFi device, and the base station sends the first indication information to the cellular device or WiFi device through coexistence guidance signaling or allocated licensed frequency band resources; or, for example, the first communication device is a cellular device or a WiFi device, and an automatic frequency coordination (AFC) server sends the first indication information to the cellular device or WiFi device; or, for example, the first communication device is a cellular device, and the WiFi device competes in the available coexistence frequency band to obtain initial time-frequency resources and sends the first indication information to the cellular device; or, for example, the first communication device is a WiFi device, and the cellular device competes in the available coexistence frequency band to obtain initial time-frequency resources and sends the first indication information to the WiFi device.

[0135] The method by which the first communication device obtains the first indication information described above is merely an example and does not constitute any limitation on the scope of protection of this application. The first communication device may obtain the first indication information in other ways, which will not be illustrated here. This application mainly describes how the first indication information indicates the first time-frequency resource and / or the second time-frequency resource. No limitation is made on the source of the first indication information.

[0136] As can be seen from the above, the first indication information can be sent to the first communication device by other devices. In this application, the time and frequency resources occupied during the transmission of the first indication information include, but are not limited to, the following possible implementation methods:

[0137] As one possible implementation, the time-frequency resources occupied by the first indication information can be predefined time-frequency resources.

[0138] For example, a base station sends a first indication message to a cellular device or a WiFi device through allocated licensed frequency band resources, wherein the allocated licensed frequency band resources can be time-frequency resources predefined by the protocol for transmitting the first indication message.

[0139] As another possible implementation, the time-frequency resources occupied by the first indication information can be the time-frequency resources that the cellular device or WiFi device has been configured to transmit coexistence signals.

[0140] For example, when a cellular device is sending a signal to a WiFi device, it sends a first indication information to the WiFi device in the time-frequency resources configured for signal transmission; or, for example, when a WiFi device is sending a signal to a cellular device, it sends a first indication information to the cellular device in the time-frequency resources configured for signal transmission.

[0141] As another possible implementation, the time-frequency resources occupied by the first indication information can be the time-frequency resources negotiated between the cellular device and the WiFi device for transmitting the first indication information.

[0142] The above description of the first instruction information occupying time-frequency resources is merely an example and does not constitute any limitation on the scope of protection of this application. The first instruction can also be transmitted on other possible time-frequency resources, which will not be listed here.

[0143] Optionally, the first communication device may transmit a first signal to the second communication device on a first time-frequency resource. And / or, the first communication device may receive a second signal from the second communication device on a second time-frequency resource.

[0144] For example, the first signal and / or the second signal carries at least one of the following information: information on signal measurement between the first communication device and the second communication device, information on time synchronization between the first communication device and the second communication device, or information on interaction between the first communication device and the second communication device, etc.

[0145] For example, the first communication device is a cellular device, the second communication device is a WiFi device, and the information carried by the first time-frequency resource can be at least one of the following:

[0146] Information used for signal measurement and time synchronization between cellular devices and WiFi devices, information exchanged between cellular devices and WiFi devices, or request information, etc. Among them, the information exchanged between cellular devices and WiFi devices may be information on the use or allocation of shared spectrum resources, interference information measured by cellular devices, quality of service (QoS) information, etc., and the request information may be a request for measurement information from the WiFi device.

[0147] For example, the first communication device is a cellular device, the second communication device is a WiFi device, and the information carried by the second time-frequency resource can be at least one of the following:

[0148] Information used for signal measurement and time synchronization between cellular devices and WiFi devices, information exchanged between cellular devices and WiFi devices, or request information, etc. Among them, the information exchanged between cellular devices and WiFi devices may be information on the use or allocation of shared spectrum resources, measurement information of WiFi devices, etc., and the request information may be a request for measurement information from cellular devices.

[0149] For example, the signaling formats of the first signal and the second signal are signaling formats that can be parsed by both the first communication device and the second communication device. For instance, the first signal and the second signal are one of the coexisting signals shown above; for example, the first signal can be denoted as coexisting signal 0, and the second signal can be denoted as coexisting signal 1.

[0150] This application does not impose any limitations on the specific formats of the first and second signals, as long as the first and second communication devices can parse (or understand) them. In this application, the first communication device can generate and send at least one coexistence signal to the second communication device. For ease of description, the generation and transmission of a coexistence signal (e.g., the first signal) will be used as an example. Similarly, in this application, the second communication device can generate and send at least one coexistence signal to the first communication device. For ease of description, the generation and transmission of a coexistence signal (e.g., the second signal) will be used as an example. Optionally, each coexistence signal can represent one or more bits of information.

[0151] Furthermore, after receiving the first indication information, the second communication device can determine the first time-frequency resource and / or the second time-frequency resource based on the first indication information. Therefore, the method flow shown in Figure 2 further includes:

[0152] S220, the first communication device determines the first time-frequency resource and / or the second time-frequency resource according to the first instruction information.

[0153] In this application, the first communication device determines the first time-frequency resource and / or the second time-frequency resource based on the first instruction information, including the following methods:

[0154] Method 1: The first communication device determines the first time-frequency resource based on the first indication information, that is, the first indication information indicates the first time-frequency resource.

[0155] In the case shown in Method 1, the first communication device can determine, based on the first instruction information, the first time-frequency resource that can be used to send the first signal to the second communication device.

[0156] For example, the first time-frequency resource consists of a first frequency domain resource and a first time domain resource. The first frequency domain resource includes k1 first sub-frequency domain resources. The first indication information indicates that the first time-frequency resource includes: the first indication information indicates the bandwidth and location of each of the k1 first sub-frequency domain resources.

[0157] For example, the first frequency domain resource includes a first sub-frequency domain resource #1 and a first sub-frequency domain resource #2, and the first indication information indicates the bandwidth and location of the first sub-frequency domain resource #1, as well as the bandwidth and location of the first sub-frequency domain resource #2.

[0158] Optionally, as shown in Figure 3, the first frequency domain resource includes a first sub-frequency domain resource #1 and a first sub-frequency domain resource #2, wherein the bandwidth of the first sub-frequency domain resource #1 is Δf. CS1 The frequency domain location of the first sub-frequency domain resource #1 can be determined by the frequency shift value f relative to the boundary of the coexisting frequency band. CS1 This indicates that the bandwidth of the first sub-frequency domain resource #2 is Δf. CS2 The frequency domain location of the first sub-frequency domain resource #2 can be determined by the frequency shift value f relative to the boundary of the coexisting frequency band. CS2 express.

[0159] For example, the coexistence frequency band in this application may be the intersection of the frequency domain range that can be used to transmit coexistence signals as defined by the first communication protocol and the frequency domain range that can be used to transmit coexistence signals as defined by the second communication protocol.

[0160] For example, the first communication protocol defines a frequency range #1 that can be used to transmit coexistence signals. This frequency range #1 is greater than or equal to the first frequency point and less than or equal to the second frequency point. The second communication protocol defines a frequency range #2 that can be used to transmit coexistence signals. This frequency range #2 is greater than or equal to the third frequency point and less than or equal to the fourth frequency point. The coexistence frequency band can be the intersection of frequency range #1 and frequency range #2. For example, if the coexistence frequency band is greater than or equal to the fifth frequency point and less than or equal to the sixth frequency point, then the fifth frequency point is greater than or equal to the maximum value between the first and third frequency points, and the sixth frequency point is less than or equal to the minimum value between the second and fourth frequency points.

[0161] For example, the coexisting frequency band in this application can be a frequency domain range predefined by the protocol.

[0162] Figure 3 is merely an illustrative representation of at least one first sub-frequency domain resource included in the first frequency domain resource indicated by the first instruction information, and does not constitute any limitation on the scope of protection of this application. For example, the first frequency domain resource may include one first sub-frequency domain resource or two or more first sub-frequency domain resources.

[0163] For example, the frequency domain location of the first sub-frequency domain resource can be determined by indicating at least one of the following:

[0164] Information such as the boundary frequency point of the first sub-frequency domain resource, the center frequency point of the first sub-frequency domain resource, the subcarrier occupied by the first sub-frequency domain resource, the resource block (RB) occupied by the first sub-frequency domain resource, or the resource element (RE) occupied by the first sub-frequency domain resource.

[0165] For example, if the first indication information indicates that the smallest boundary frequency point within the frequency domain range of the first sub-frequency domain resource is frequency point #1, then the first communication device can determine the frequency domain starting position of the first sub-frequency domain resource based on frequency point #1.

[0166] For example, if the first indication information indicates that the largest boundary frequency point within the frequency domain range of the first sub-frequency domain resource is frequency point #2, then the first communication device can determine the frequency domain termination position of the first sub-frequency domain resource based on frequency point #2.

[0167] For example, if the first indication information indicates that the center frequency point within the frequency domain range of the first sub-frequency domain resource is frequency point #3, then the first communication device can determine the midpoint of the frequency domain of the first sub-frequency domain resource based on frequency point #3.

[0168] For example, if the first indication information indicates that the subcarrier with the smallest index among at least one subcarrier occupied by the first sub-frequency domain resource is subcarrier #1, then the first communication device can determine the frequency domain starting position of the first sub-frequency domain resource based on subcarrier #1. Here, the subcarrier can be replaced with other frequency domain resource units such as RB or RE.

[0169] For example, if the first indication information indicates that the subcarrier with the largest index among at least one subcarrier occupied by the first sub-frequency domain resource is subcarrier #2, then the first communication device can determine the frequency domain termination position of the first sub-frequency domain resource based on subcarrier #2.

[0170] For example, the bandwidth of the first sub-frequency domain resource can be determined by indicating at least one of the following information:

[0171] Information such as the number of subcarriers occupied by the first sub-frequency domain resource, the number of RBs occupied by the first sub-frequency domain resource, or the number of REs occupied by the first sub-frequency domain resource.

[0172] For example, if the first indication information indicates that the bandwidth of the first sub-frequency domain resource is 10 subcarriers, and the system specifies that the size of each subcarrier is 60kHz, then the bandwidth of the first sub-frequency domain resource is 600kHz.

[0173] For example, if the first indication information indicates that the bandwidth of the first sub-frequency domain resource is 5 RBs, and the system specifies that the size of each RB is 720kHz, then the bandwidth of the first sub-frequency domain resource is 7200kHz.

[0174] Furthermore, when k1 is a positive integer greater than or equal to 2, the first indication information can also indicate the first offset duration corresponding to each of the multiple first sub-frequency domain resources.

[0175] For example, the first indication information may also indicate k1 first offset durations corresponding to k1 first sub-frequency domain resources, where the i-th first offset duration is the duration between the first time and the second time, the first time is the earliest time when the first signal or the second signal is transmitted among the k1 first sub-frequency domain resources, and the second time is the time when the first signal or the second signal is started to be transmitted on the i-th first sub-frequency domain resource corresponding to the i-th first offset duration, where i is a positive integer less than or equal to k1. For the first communication device, the earliest time when the first signal or the second signal is transmitted may be the time when the first communication device sends the first signal or the time when the first communication device receives the second signal.

[0176] As shown in Figure 3 above, the first frequency domain resource includes the first sub-frequency domain resource #1 and the first sub-frequency domain resource #2. The first sub-frequency domain resource #1 is the first sub-frequency domain resource with the earliest transmitted signal. As shown in Figure 3, the time when the first signal or the second signal on the first sub-frequency domain resource #1 is started to be transmitted is the first moment, and the first offset duration #1 corresponding to the first sub-frequency domain resource #1 is 0. The time when the first signal or the second signal on the first sub-frequency domain resource #2 is started to be transmitted is the second moment, and the duration between the second moment and the first moment is the first offset duration #2.

[0177] In this application, the first indication information indicating the first time-frequency resource also includes indicating the first time-domain resource corresponding to the first time-frequency resource. Optionally, the first frequency-domain resource corresponding to the first time-frequency resource can be predefined, in which case the first indication information can indicate the first time-domain resource; or, the first time-domain resource corresponding to the first time-frequency resource can be predefined, in which case the first indication information can indicate the first frequency-domain resource.

[0178] For example, the first time-domain resource includes k1 first sub-time-domain resource groups, and one first sub-time-domain resource group corresponds to one first sub-frequency domain resource. The first indication information indicating the first time-domain resource can be: the first indication information indicates the position of the i-th first sub-time-domain resource group in the i-th first sub-frequency domain resource among the k1 first sub-time-domain resource groups, where i is a positive integer less than or equal to k1.

[0179] As shown in Figure 3 above, the first time-domain resource includes a first sub-time-domain resource group #1 and a first sub-time-domain resource group #2, wherein the first sub-time-domain resource group #1 corresponds to the first sub-frequency-domain resource #1, and the first sub-time-domain resource group #2 corresponds to the first sub-frequency-domain resource #2. Each first sub-time-domain resource group includes at least one first sub-time-domain resource. As shown in Figure 3, the first sub-time-domain resource group #1 includes two first sub-time-domain resources #1, and the first sub-time-domain resource group #2 includes two first sub-time-domain resources #2.

[0180] For example, the first indication information indicating the position of the i-th first sub-time domain resource group in the i-th first sub-frequency domain resource among the k1 first sub-time domain resource groups can be: the first indication information indicating the first duration and first period of the first sub-time domain resource included in the i-th first sub-time domain resource group.

[0181] For example, as shown in Figure 3 above, the first indication information indicates the duration #1 and period #1 of the first sub-time domain resource #1 included in the first sub-time domain resource group #1, and indicates the duration #2 and period #2 of the first sub-time domain resource #2 included in the first sub-time domain resource group #2.

[0182] Optionally, the i-th first sub-frequency domain resource corresponds to at least one third time-frequency resource, which is used to transmit signals other than the first signal and the second signal. For example, the third time-frequency resource can be used to transmit other signals, such as communication between cellular devices or communication between WiFi devices, and this application does not impose any limitations.

[0183] For example, as shown in Figure 3 above, the third time-frequency resources included in the first sub-time domain resource group #1 and / or the first sub-time domain resource group #2 can be used for communication between cellular devices or between WiFi devices; or, time-frequency resources other than the first time-frequency resources not shown in Figure 3 can also be used for communication between cellular devices or between WiFi devices, such as the frequency domain resources other than the first frequency domain resources indicated by the first indication information can be used for signals other than the first signal and the second signal.

[0184] Optionally, in the case shown in Method 1, the first communication device may also acquire second indication information, which is used to indicate the updated first time-frequency resource.

[0185] Optionally, during the initial communication phase of the first and second communication devices, a significant amount of coexistence-related information needs to be exchanged. The first indication information can be configured with a larger first duration and a smaller first period. In subsequent communication phases, when the first and second communication devices only need to periodically exchange a small amount of information, the second indication information can be used to indicate a switch to a smaller first duration and a larger first period.

[0186] For example, the second indication information may be carried in the configured first time-frequency resource, or it may be carried on other pre-configured time-frequency resources. This application does not limit the transmission method of the second indication information. You can refer to the description of the transmission method of the first indication information above, which will not be repeated here.

[0187] For example, the second indication information is used to indicate the updated first frequency domain resource corresponding to the updated first time-frequency resource. For instance, the second indication information is used to indicate the bandwidth and location of each of the k1' updated first sub-frequency domain resources included in the updated first frequency domain resource.

[0188] For example, the second indication information indicating the bandwidth and location of each updated first sub-frequency domain resource can be: directly indicating the bandwidth and location of each updated first sub-frequency domain resource; or,

[0189] This indicates the difference between the updated bandwidth of the first sub-frequency domain resource and the bandwidth of the first sub-frequency domain resource, as well as the difference between the updated location of the first sub-frequency domain resource and the location of the first sub-frequency domain resource. For example, it indicates the location difference f'. CS1 -f CS1，Bandwidth difference △f' CS1 –△f CS1 .

[0190] For example, the second indication information is used to indicate the updated first time domain resource corresponding to the updated first time-frequency resource. For instance, the second indication information indicates the position of the k1' updated first sub-time domain resource groups included in the updated first time domain resource within the k1' updated first sub-frequency domain resources.

[0191] For example, the second indication information indicates the size and period of each updated first sub-time domain resource group on the corresponding first sub-frequency domain resource; or, the second indication information indicates the difference between the size of each updated first sub-time domain resource group on the corresponding first sub-frequency domain resource and the size of the first sub-time domain resource group on the corresponding first sub-frequency domain resource, and indicates the difference between the period of each updated first sub-time domain resource group on the corresponding first sub-frequency domain resource and the period of the first sub-time domain resource group on the corresponding first sub-frequency domain resource.

[0192] Method 2: The first communication device determines the second time-frequency resource based on the first indication information, that is, the first indication information indicates the second time-frequency resource.

[0193] In the case shown in Method 2, the first communication device can determine the second time-frequency resources that can be used to receive the second signal from the second communication device based on the first instruction information.

[0194] For example, the second time-frequency resource consists of a second frequency domain resource and a second time domain resource. The second frequency domain resource includes k2 second sub-frequency domain resources. The first indication information indicates that the second time-frequency resource includes: the first indication information indicates the bandwidth and location of each of the k2 second sub-frequency domain resources.

[0195] For example, the second frequency domain resource includes a second sub-frequency domain resource #1 and a second sub-frequency domain resource #2, and the first indication information indicates the bandwidth and location of the second sub-frequency domain resource #1, as well as the bandwidth and location of the second sub-frequency domain resource #2.

[0196] Optionally, as shown in Figure 4, the second frequency domain resource includes a second sub-frequency domain resource #1 and a second sub-frequency domain resource #2, wherein the bandwidth of the second sub-frequency domain resource #1 is Δf. CS3 The frequency domain location of the second sub-frequency domain resource #1 can be determined by the frequency shift value f relative to the boundary of the coexisting frequency band. CS3 This indicates that the bandwidth of the second sub-frequency domain resource #2 is Δf. CS4 The frequency domain location of the first sub-frequency domain resource #2 can be determined by the frequency shift value f relative to the boundary of the coexisting frequency band. CS4 express.

[0197] Figure 4 is merely an illustrative representation of at least one second sub-frequency domain resource included in the second frequency domain resource indicated by the first indication information, and does not constitute any limitation on the scope of protection of this application. For example, the second frequency domain resource may include one second sub-frequency domain resource, or two or more second sub-frequency domain resources; furthermore, the frequency domain location of the second sub-frequency domain resource can be determined by indicating at least one of the following information:

[0198] Information such as the boundary frequency, center frequency, occupied subcarriers, RB, or RE of the second sub-frequency domain resource.

[0199] Furthermore, when k2 is a positive integer greater than or equal to 2, the first indication information can also indicate the second offset duration corresponding to each of the multiple second sub-frequency domain resources.

[0200] For example, the first indication information may also indicate k2 second offset durations corresponding to k2 second sub-frequency domain resources, where the j-th second offset duration is the duration between the third time and the fourth time, the third time is the earliest time when the first signal or the second signal is transmitted among the k2 second sub-frequency domain resources, and the second time is the time when the first signal or the second signal is started to be transmitted on the j-th second sub-frequency domain resource corresponding to the j-th second offset duration, where j is a positive integer less than or equal to k2. For the first communication device, the earliest time when the first signal or the second signal is transmitted may be the time when the first communication device sends the first signal or the time when the first communication device receives the second signal.

[0201] As shown in Figure 4 above, the second frequency domain resource includes the second sub-frequency domain resource #1 and the second sub-frequency domain resource #2. The second sub-frequency domain resource #1 is the second sub-frequency domain resource with the earliest transmitted signal. As shown in Figure 4, the time when the first signal or the second signal on the second sub-frequency domain resource #1 is transmitted is the third time. Therefore, the second offset duration #1 corresponding to the second sub-frequency domain resource #1 is 0. The time when the first signal or the second signal on the second sub-frequency domain resource #2 is transmitted is the fourth time. The duration between the fourth time and the third time is the second offset duration #2.

[0202] In this application, the first indication information indicating the second time-frequency resource also includes indicating the second time-domain resource corresponding to the second time-frequency resource. Optionally, the second frequency-domain resource corresponding to the second time-frequency resource can be predefined, in which case the first indication information can indicate the second time-domain resource; or, the second time-domain resource corresponding to the second time-frequency resource can be predefined, in which case the first indication information can indicate the second frequency-domain resource.

[0203] For example, the second time-domain resource includes k2 second sub-time-domain resource groups, and one second sub-time-domain resource group corresponds to one second sub-frequency domain resource. The first indication information indicating the second time-domain resource can be: the first indication information indicates the position of the j-th second sub-time-domain resource group in the j-th second sub-frequency domain resource among the k2 second sub-time-domain resource groups, where j is a positive integer less than or equal to k2.

[0204] As shown in Figure 4 above, the second time-domain resource includes a second sub-time-domain resource group #1 and a second sub-time-domain resource group #2, wherein the second sub-time-domain resource group #1 corresponds to the second sub-frequency-domain resource #1, and the second sub-time-domain resource group #2 corresponds to the second sub-frequency-domain resource #2. Each second sub-time-domain resource group includes at least one second sub-time-domain resource. As shown in Figure 4, the second sub-time-domain resource group #1 includes two second sub-time-domain resources #1, and the second sub-time-domain resource group #2 includes two second sub-time-domain resources #2.

[0205] For example, the first indication information indicating the position of the jth second sub-time domain resource group in the jth second sub-frequency domain resource among the k2 second sub-time domain resource groups can be: the first indication information indicating the second duration and the second period of the second sub-time domain resource included in the jth second sub-time domain resource group.

[0206] For example, as shown in Figure 4 above, the first indication information indicates the duration #3 and period #3 of the second sub-time domain resource #1 included in the second sub-time domain resource group #1, and indicates the duration #4 and period #4 of the second sub-time domain resource #2 included in the second sub-time domain resource group #2.

[0207] Optionally, the j-th second sub-frequency domain resource corresponds to at least one fourth time-frequency resource, which is used to transmit signals other than the first and second signals. For example, the fourth time-frequency resource can be used to transmit other signals, such as communication between cellular devices or communication between WiFi devices, and is not limited in this application.

[0208] For example, as shown in Figure 4 above, the fourth time-frequency resource included in the second sub-time domain resource group #1 and / or the second sub-time domain resource group #2 can be used for communication between cellular devices or between WiFi devices; or, time-frequency resources other than the second time-frequency resource not shown in Figure 4 can also be used for communication between cellular devices or between WiFi devices, such as the frequency domain resources other than the second frequency domain resource indicated by the first indication information can be used for signals other than the first signal and the second signal.

[0209] Optionally, in the case shown in Method 2, the first communication device may also acquire second indication information, which is used to indicate the updated second time-frequency resources.

[0210] Optionally, during the initial communication phase of the first and second communication devices, a significant amount of coexistence-related information needs to be exchanged. The first indication information can be configured with a larger second duration and a smaller second period. Subsequently, when only a small amount of information needs to be exchanged periodically, the second duration and the second period can be switched to a smaller second duration and a larger second period.

[0211] For example, the second indication information may be carried in the configured second time-frequency resource, or it may be carried on other pre-configured time-frequency resources. This application does not limit the transmission method of the second indication information. You can refer to the description of the transmission method of the first indication information above, which will not be repeated here.

[0212] For example, the second indication information is used to indicate the updated second frequency domain resource corresponding to the updated second time-frequency resource. For instance, the second indication information is used to indicate the bandwidth and location of each of the k2' updated second sub-frequency domain resources included in the updated second frequency domain resource.

[0213] For example, the second indication information indicating the bandwidth and location of each updated second sub-frequency domain resource can be: directly indicating the bandwidth and location of each updated second sub-frequency domain resource; or,

[0214] It indicates the difference between the bandwidth of the updated second sub-frequency domain resource and the bandwidth of the second sub-frequency domain resource, and indicates the difference between the location of the updated second sub-frequency domain resource and the location of the second sub-frequency domain resource.

[0215] For example, the second indication information is used to indicate the updated second time-domain resource corresponding to the updated second time-frequency resource. For instance, the second indication information indicates the position of the k2' updated second sub-time-domain resource groups included in the updated second time-domain resource within the k2' updated second sub-frequency-domain resources.

[0216] For example, the second indication information indicates the size and period of each updated second sub-time domain resource group on the corresponding second sub-frequency domain resource; or, the second indication information indicates the difference between the size of each updated second sub-time domain resource group on the corresponding second sub-frequency domain resource and the size of the second sub-time domain resource group on the corresponding second sub-frequency domain resource, and indicates the difference between the period of each updated second sub-time domain resource group on the corresponding second sub-frequency domain resource and the period of the second sub-time domain resource group on the corresponding second sub-frequency domain resource.

[0217] Method 3: The first communication device determines the first time-frequency resource and the second time-frequency resource according to the first instruction information, that is, the first instruction information indicates the first time-frequency resource and the second time-frequency resource.

[0218] In the case shown in Method 3, the first indication information indicates the first time-frequency resource and the second time-frequency resource, including the following possible scenarios:

[0219] Scenario 1: The first indication information indicates the first time-frequency resource and the second time-frequency resource respectively.

[0220] In this case, the first indication information indicating the first time-frequency resource and the second time-frequency resource can be: indicating the first time-frequency resource through the above-described method one, and indicating the second time-frequency resource through the above-described method two.

[0221] To facilitate understanding, let's briefly introduce the possible situations of the first and second time-frequency resources indicated by the first indication information, with reference to Figure 5.

[0222] As shown in Figure 5, the first indication information indicates the frequency domain resources corresponding to the first time-frequency resource (the first sub-frequency domain resource #1 and the first sub-frequency domain resource #2 shown in Figure 5), and the time domain resources corresponding to the first time-frequency resource (the first sub-time domain resource in the first sub-frequency domain resource #1 and the first sub-frequency domain resource #2 shown in Figure 5). The method by which the first indication information indicates the first time-frequency resource can be referred to the description of the first indication information indicating the first frequency domain resource and the first time domain resource in the case of Method 1 described above, and will not be repeated here.

[0223] Additionally, as shown in Figure 5, the first indication information indicates the frequency domain resource corresponding to the second time-frequency resource (the second sub-frequency domain resource #1 and the second sub-frequency domain resource #2 shown in Figure 5), and the time domain resource corresponding to the second time-frequency resource (the second sub-time domain resource in the second sub-frequency domain resource #1 and the second sub-frequency domain resource #2 shown in Figure 5). The method by which the first indication information indicates the second time-frequency resource can be referenced from the description of the first indication information indicating the second frequency domain resource and the second time domain resource in the case of method two described above, and will not be repeated here.

[0224] As can be seen from the above, under certain circumstances, the first time-frequency resource and the second time-frequency resource are independently indicated, the first frequency domain resource and the second frequency domain resource can be the same or different, and the first time domain resource and the second time domain resource can be the same or different.

[0225] In one case, the first and second time-frequency resources mentioned above can be updated by the second instruction information. The specific instruction method of the second instruction information can be referred to the descriptions in Method 1 and Method 2 above, and will not be repeated here.

[0226] Scenario 2: The first frequency domain resource and the second frequency domain resource are the same. For example, the frequency domain resources corresponding to the first time-frequency resource and the second time-frequency resource are both the aforementioned first frequency domain resource. The first indication information can indicate the first frequency domain resource, the first time domain resource corresponding to the first time-frequency resource, and the second time domain resource corresponding to the second time-frequency resource.

[0227] The first frequency domain resource and the second frequency domain resource mentioned above are the same. For example, at least one frequency band corresponding to the first time-frequency resource is the same as at least one frequency band corresponding to the second time-frequency resource.

[0228] When the first frequency domain resource and the second frequency domain resource are the same, if the first indication information needs to indicate the first time-frequency resource and the second time-frequency resource, the first indication information can indicate the frequency domain resource corresponding to the first time-frequency resource or the second time-frequency resource by indicating the frequency domain resource corresponding to the first time-frequency resource or the second time-frequency resource. For example, the first indication information can indicate the bandwidth and position of each of the k1 first sub-frequency domain resources; or, for example, the first indication information can indicate the bandwidth and position of each of the k2 second sub-frequency domain resources.

[0229] In case two, the first frequency domain resources and the second frequency domain resources mentioned above are the same, including k1 first sub-frequency domain resources. Then, the k1 first offset durations corresponding to the k1 first sub-frequency domain resources indicated by the first indication information can be used.

[0230] For ease of description, if the first frequency domain resource and the second frequency domain resource are the same, the first frequency domain resource will be used as an example for explanation. The first frequency domain resource includes k1 first sub-frequency domain resources. If the first indication information indicates the first time-frequency resource and the second time-frequency resource, then the first indication information indicates the position of the k1 first sub-frequency domain resources, the position of the first time-frequency resource corresponding to the first time-frequency resource on the k1 first sub-frequency domain resources, and the position of the second time-frequency resource corresponding to the second time-frequency resource on the k1 second sub-frequency domain resources.

[0231] For example, the first time-domain resource includes k1 first sub-time-domain resource groups, and the second time-domain resource includes k2 second sub-time-domain resource groups, where k1 equals k2. The first indication information indicates the position of the i-th first sub-time-domain resource group and the i-th second sub-time-domain resource group in the i-th first sub-frequency domain resource, where i is a positive integer less than or equal to k1.

[0232] Method 3.1: The first communication device and the second communication device continuously transmit the first signal and the second signal in the time domain. For example, at the end of the first communication device transmitting the first signal to the second communication device, the first communication device receives the second signal from the second communication device.

[0233] In this implementation, the first indication information, which indicates the position of the i-th first sub-time domain resource group and the i-th second sub-time domain resource group within the i-th first sub-frequency domain resource, can be:

[0234] The first indication information indicates the first duration of the first sub-time domain resource included in the i-th first sub-time domain resource group and the second duration of the second sub-time domain resource included in the i-th second sub-time domain resource group, wherein the end time of the first duration is the start time of the second duration, or the end time of the second duration is the start time of the first duration.

[0235] In the case shown in Method 3.1, the first indication information can indicate the position of the first sub-time domain resource group and the second sub-time domain resource group in a certain first sub-frequency domain resource by indicating the first duration of the first sub-time domain resource included in the first sub-time domain resource group and the second duration of the second sub-time domain resource included in the second sub-time domain resource group. The main reason is that the first communication device and the second communication device continuously transmit the first signal and the second signal in the time domain. The first indication information indicates the first duration and the second duration, which is equivalent to indicating the first duration and the first period (first duration + second duration) of the first sub-time domain resource included in the first sub-time domain resource group, and the second duration and the second period (first duration + second duration) of the second sub-time domain resource included in the second sub-time domain resource group.

[0236] As one possible implementation, when the first frequency domain resource includes a first sub-frequency domain resource, the first indication information indicates the frequency domain bandwidth and frequency domain location of the first sub-frequency domain resource, for example, the frequency domain bandwidth of the first sub-frequency domain resource is Δf. CS1 The frequency domain position of the first sub-frequency domain resource is f. CS1 , where f CS1 It can be represented by the absolute radio frequency channel number (ARFCN) or by the frequency shift value at the boundary of the coexisting frequency band.

[0237] For example, the first indication information indicates a first duration and a second duration, including: the first indication information indicates the duration △T1 for the first communication device to send a first signal, and the first indication information indicates the duration △T2 for the second communication device to send a second signal.

[0238] Optionally, the first duration and the second duration can be equal. If the first duration and the second duration are equal, the first indication information can indicate either the first duration or the second duration.

[0239] To facilitate understanding, Figure 6 is used to briefly introduce the first frequency domain resource, first duration, and second duration indicated by the first indication information in this implementation method.

[0240] As shown in Figure 6, the frequency domain bandwidth of the first frequency domain resource indicated by the first indication information is Δf shown in Figure 6. CS1 The frequency domain position of the first frequency domain resource is represented by the frequency shift value relative to the boundary of the coexisting frequency band (as shown in Figure 6, the frequency shift value between the starting position of the first frequency domain resource and the boundary of the coexisting frequency band is f). CS1 In addition, the first duration indicated by the first indication information is △T1 as shown in Figure 6, and the second duration indicated by the first indication information is △T2 as shown in Figure 6.

[0241] Optionally, the first and second durations mentioned above can be divided using time units. For example, using the CS frame length or time slot length T as the unit, △T1 = MT, △T2 = NT, where M and N can be positive integers or fractions, depending on the value of T. As shown in Figure 7, when M = 2 and N = 1, △T1 = 2T, △T2 = T.

[0242] As another possible implementation, when the first frequency domain resource includes multiple first sub-frequency domain resources, the first indication information indicates the frequency domain bandwidth and frequency domain location of each of the multiple first sub-frequency domain resources.

[0243] For example, the first frequency domain resource includes k1 first sub-frequency domain resources, and the frequency domain bandwidth of the i-th first sub-frequency domain resource is denoted as Δf. CSi The frequency domain position is denoted as f. CSi , where f CSi It can be represented by ARFCN, or by the frequency shift value at the boundary of the coexisting frequency band. Where i is a positive integer less than or equal to k1.

[0244] Furthermore, in this implementation, the first indication information is also used to indicate the duration ΔT for the first communication device to transmit the first signal in the i-th first sub-frequency domain resource. 1i And the duration ΔT for the second communication device to send the second signal. 2i .

[0245] Optionally, the first indication information may also indicate the first offset duration of each of the multiple first sub-frequency domain resources. For example, the first offset duration of the i-th first sub-frequency domain resource is denoted as ΔT. ofi .

[0246] As shown in Figure 8, taking k1=2 as an example, the first frequency domain resource includes the first sub-frequency domain resource #1 and the first sub-frequency domain resource #2. The bandwidth of the first sub-frequency domain resource #1 is Δf.CS1 The frequency domain location of the first sub-frequency domain resource #1 can be determined by the frequency shift value f relative to the boundary of the coexisting frequency band. CS1 This indicates that the bandwidth of the first sub-frequency domain resource #2 is Δf. CS2 The frequency domain location of the first sub-frequency domain resource #2 can be determined by the frequency shift value f relative to the boundary of the coexisting frequency band. CS2 express.

[0247] The duration of the first sub-time domain resource included in the first sub-time domain resource #1 is △T. 11 The duration of the second time-domain resource included in the first sub-frequency domain resource #1 is △T. 21 The duration of the first sub-time domain resource included in the first sub-frequency domain resource #2 is △T. 12 The duration of the second time-domain resource included in the first sub-frequency domain resource #2 is △T. 22 .

[0248] In addition, the first offset duration corresponding to the first sub-frequency domain resource #1 is △T of1 The first offset duration corresponding to the first sub-frequency domain resource #2 is △T of2 .

[0249] As shown in Figure 8, different transmission duration parameters can be configured for different sub-frequency domain resources to support different information transmission needs.

[0250] Optionally, the transmission duration can be divided by a time unit, such as the CS frame length or time slot length T, then ΔT ofi =L i T,△T 1i =M i T,△T 2i =N i T, where M, N, and L can be positive integers or fractions, depending on the value of T.

[0251] Alternatively, in the case shown in method 3.1, the first and second time-frequency resources described above can be updated by the second instruction information.

[0252] Optionally, during the initial communication phase, the first communication device and the second communication device need to exchange a lot of coexistence-related information. The first indication information can be configured with a larger first duration and a larger second duration. When only a small amount of information needs to be exchanged periodically in the future, the second indication information can be used to indicate a switch to a smaller first duration and a smaller second duration.

[0253] For example, the second indication information may be carried in the configured first time-frequency resource and / or second time-frequency resource, or it may be carried on other pre-configured time-frequency resources.

[0254] For example, the second indication information indicating the updated first duration can be the size of the updated first duration, or the difference between the updated first duration and the first duration before the update; or, for example, the second indication information indicating the updated second duration can be the size of the updated second duration, or the difference between the updated second duration and the second duration before the update.

[0255] Method 3.2: The first communication device and the second communication device transmit the first signal and the second signal discontinuously in the time domain. For example, after the first communication device sends the first signal to the second communication device, the first communication device and the third communication device perform signal transmission, and then the first communication device receives the second signal from the second communication device, wherein the third communication device and the first communication device support the same communication protocol.

[0256] In this implementation, the first indication information, which indicates the position of the i-th first sub-time domain resource group and the i-th second sub-time domain resource group within the i-th first sub-frequency domain resource, can be:

[0257] The first instruction information indicates the first duration and first period of the first sub-time domain resource included in the i-th first sub-time domain resource group, and the second duration and second period of the second sub-time domain resource included in the i-th second sub-time domain resource group.

[0258] Optionally, the first duration and the second duration can be equal. If the first duration and the second duration are equal, the first indication information can indicate either the first duration or the second duration.

[0259] Optionally, the first cycle and the second cycle can be equal. If the first cycle and the second cycle are equal, the first indication information can indicate either the first cycle or the second cycle.

[0260] As one possible implementation, when the first frequency domain resource includes a first sub-frequency domain resource, the first indication information indicates the frequency domain bandwidth and frequency domain location of the first sub-frequency domain resource, for example, the frequency domain bandwidth of the first sub-frequency domain resource is Δf. CS1 The frequency domain position of the first sub-frequency domain resource is f. CS1 , where f CS1 ARFCN can be represented by the frequency shift value at the boundary of the coexisting frequency band.

[0261] For example, the first indication information indicates the first duration and the first period of the first sub-time domain resource, including: the first indication information indicates the first duration ΔT1 and the first period T of the first communication device transmitting the first signal. CS1 .

[0262] For example, the first indication information indicates the second duration and the second period of the second sub-time domain resource, including: the first indication information indicates the second duration ΔT2 and the second period T of the second communication device transmitting the second signal. CS2 .

[0263] To facilitate understanding, Figure 9 is used to briefly introduce the first frequency domain resource, first duration, first period, second duration, and second period indicated by the first indication information in this implementation method.

[0264] As shown in Figure 9, the frequency domain bandwidth of the first frequency domain resource indicated by the first indication information is Δf shown in Figure 9. CS1 The frequency domain position of the first frequency domain resource is represented by the frequency shift value relative to the boundary of the coexisting frequency band (as shown in Figure 9, the frequency shift value between the starting position of the first frequency domain resource and the boundary of the coexisting frequency band is f). CS1 Additionally, the first duration indicated by the first indication information is △T1 as shown in Figure 9, the second duration indicated by the first indication information is △T2 as shown in Figure 9, and the first period indicated by the first indication information is T as shown in Figure 9. CS1 The second period indicated by the first indication information is T as shown in Figure 9. CS2 .

[0265] The time-frequency resource between the first and second sub-time domain resources in Figure 9 can be referred to as the third time-frequency resource. The third time-frequency resource is used to transmit signals other than the first and second signals. For example, it can be used for communication between cellular devices or between WiFi devices. This application does not impose any limitations on this application.

[0266] As another possible implementation, when the first frequency domain resource includes multiple first sub-frequency domain resources, the first indication information indicates the frequency domain bandwidth and frequency domain location of each of the multiple first sub-frequency domain resources.

[0267] For example, the first frequency domain resource includes k1 first sub-frequency domain resources, and the frequency domain bandwidth of the i-th first sub-frequency domain resource is denoted as Δf. CSi The frequency domain position is denoted as f. CSi , where f CSi It can be represented by ARFCN, or by the frequency shift value at the boundary of the coexisting frequency band. Where i is a positive integer less than or equal to k1.

[0268] Furthermore, in this implementation, the first indication information is also used to indicate the duration ΔT for the first communication device to transmit the first signal in the i-th first sub-frequency domain resource. 1i and period T CS1i And the duration ΔT for the second communication device to send the second signal. 2i and period T CS2i .

[0269] Optionally, the first indication information may also indicate the first offset duration of each of the multiple first sub-frequency domain resources. For example, the first offset duration of the i-th first sub-frequency domain resource is denoted as ΔT. ofi .

[0270] As shown in Figure 10, taking k1=2 as an example, the first frequency domain resource includes the first sub-frequency domain resource #1 and the first sub-frequency domain resource #2. The bandwidth of the first sub-frequency domain resource #1 is Δf. CS1 The frequency domain location of the first sub-frequency domain resource #1 can be determined by the frequency shift value f relative to the boundary of the coexisting frequency band. CS1 This indicates that the bandwidth of the first sub-frequency domain resource #2 is Δf. CS2 The frequency domain location of the first sub-frequency domain resource #2 can be determined by the frequency shift value f relative to the boundary of the coexisting frequency band. CS2 express.

[0271] The duration of the first sub-time domain resource included in the first sub-time domain resource #1 is △T. 11 The period is T CS11 The duration of the second sub-time domain resource included in the second time domain resource on the first sub-frequency domain resource #1 is △T. 21 The period is T CS21 The duration of the first sub-time domain resource included in the first sub-frequency domain resource #2 is △T. 12 The period is T CS12 The duration of the second sub-time domain resource included in the second time domain resource on the first sub-frequency domain resource #2 is △T. 22 The period is T CS22 .

[0272] In addition, the first offset duration corresponding to the first sub-frequency domain resource #1 is △T of1 =0, the first offset duration corresponding to the first sub-frequency domain resource #2 is △T of2 .

[0273] As shown in Figure 10, different transmission duration parameters can be configured for different sub-frequency domain resources to support different information transmission needs.

[0274] The time-frequency resource between the first and second sub-time domain resources in Figure 10 can be referred to as the third time-frequency resource. The third time-frequency resource is used to transmit signals other than the first and second signals. For example, it can be used for communication between cellular devices or between WiFi devices. This application does not impose any limitations on this application.

[0275] In the case shown in Method 3.2, a special case is that the first duration and the second duration are equal, and the first signal and the second signal are considered to be signals of the same type (such as coexisting signals). That is, the first duration and the second duration mentioned above can be understood as the duration of transmitting the coexisting signal, and the first period and the second period can be understood as the period of transmitting the coexisting signal. For ease of understanding, the following explanation will use the first duration as the duration of transmitting the coexisting signal (first signal or second signal) and the period #X as the period of transmitting the coexisting signal (first signal and / or second signal) as an example.

[0276] In this special case, the first indication information, which indicates the position of the i-th first sub-time domain resource group and the i-th second sub-time domain resource group within the i-th first sub-frequency domain resource, can be:

[0277] The first indication information indicates the first duration, the period #X, the number of times the first communication device sends the first signal, and the number of times the second communication device sends the second signal.

[0278] Optionally, the first indication information indicating the first duration and period #X can be either the ratio of period #X to the first duration, or the ratio of period #X to the first duration. The first duration is denoted as △T1, and the period #X is denoted as T. CSX For example, the first indication information indicates △T1, and △T1 and T CSX First ratio For example, the first instruction information indicates T CSX , and △T1 and T CSX The first ratio α CS For example, the first indication information indicates △T1, and T CSX The second ratio of △T1 For example, the first instruction information indicates T CSX , and △T1 and T CSX The second ratio β CS .

[0279] As shown in Figure 11, taking k1=2 as an example, the first frequency domain resource includes the first sub-frequency domain resource #1 and the first sub-frequency domain resource #2. The bandwidth of the first sub-frequency domain resource #1 is Δf. CS1 The frequency domain location of the first sub-frequency domain resource #1 can be determined by the frequency shift value f relative to the boundary of the coexisting frequency band. CS1 This indicates that the bandwidth of the first sub-frequency domain resource #2 is Δf. CS2 The frequency domain location of the first sub-frequency domain resource #2 can be determined by the frequency shift value f relative to the boundary of the coexisting frequency band. CS2 express.

[0280] The transmission duration of the coexisting signal on the first sub-frequency domain resource #1 is △T 11 The period #X is TCSX1 The first communication device sends the first signal N1 = 2 times, and the second communication device sends the second signal N2 = 1 time; the transmission duration of the coexisting signal on the first sub-frequency domain resource #1 is ΔT. 12 The period #X is T CSX2 The first communication device sends the first signal N1 = 1 time, and the second communication device sends the second signal N2 = 1 time.

[0281] In addition, the first offset duration corresponding to the first sub-frequency domain resource #1 is △T of1 =0, the first offset duration corresponding to the first sub-frequency domain resource #2 is △T of2 .

[0282] Figure 11 uses k1=2 as an example and does not constitute any limitation on the scope of protection of this application. The first sub-frequency domain resources included in the first frequency domain resources may be one or more.

[0283] Alternatively, in the case shown in Method 3.2, the first and second time-frequency resources described above can be updated via the second instruction information.

[0284] Optionally, during the initial communication phase, the first communication device and the second communication device need to exchange a lot of coexistence-related information. The first indication information can be configured with a larger first duration and a larger second duration, as well as a smaller first period and a smaller second period. When only a small amount of information needs to be exchanged periodically in the future, the second indication information can be used to indicate switching to a smaller first duration and a larger second period, as well as a larger first period and a larger second period.

[0285] For example, the second indication information may be carried in the configured first time-frequency resource and / or second time-frequency resource, or it may be carried on other pre-configured time-frequency resources.

[0286] For example, the second instruction information indicating the updated first duration can be the size of the updated first duration, or the difference between the updated first duration and the first duration before the update; for another example, the second instruction information indicating the updated second duration can be the size of the updated second duration, or the difference between the updated second duration and the second duration before the update; for another example, the second instruction information indicating the updated first period can be the size of the updated first period, or the difference between the updated first period and the first period before the update; for another example, the second instruction information indicating the updated second period can be the size of the updated second period, or the difference between the updated second period and the second period before the update.

[0287] For example, if the first time-frequency resource and the second time-frequency resource can be configured using the methods 3.1 and 3.2 described above, the second indication information can also achieve the purpose of updating the first time-frequency resource and the second time-frequency resource by indicating the switching between the time-frequency resource configured in method 3.1 and the time-frequency resource configured in method 3.2.

[0288] For example, during the initial communication phase, the first and second communication devices need to exchange a lot of coexisting information, and the time-frequency resources configured in mode 3.1 can be used for signal transmission; when only a small amount of information needs to be exchanged periodically in the future, the second indication information can be used to switch to the time-frequency resources configured in mode 3.2 for signal transmission.

[0289] To facilitate understanding, the method of indicating time and frequency resource switching will be briefly introduced with reference to Figure 12.

[0290] As shown in Figure 12, during the initial communication phase, the first and second communication devices use the time-frequency resources configured in method 3.1. For example, the following parameters are configured using the configuration method shown in method 3.1:

[0291] Bandwidth △f CS Position f CS The transmission duration ΔT1 of the first signal and the transmission duration ΔT2 of the second signal.

[0292] When the first and second communication devices only need to periodically exchange a small amount of information during subsequent communication phases, a second indication message can be sent through a cellular device (e.g., a base station). This second indication message can indicate the following parameters:

[0293] New transmission parameter bandwidth △f' CS (Can send △f') CS and △f CS (difference between them), new position f' CS (can send f') CS and f CS The difference between them) and the information required to configure the time-frequency resources in method 3.2, such as the duration △T for sending the coexistence signal. CS The period T for sending the coexistence signal CSX The number of times the first signal is transmitted by the cellular device, N1, and the number of times the second signal is transmitted by the second communication device, N2.

[0294] Scenario 3: The first time-domain resource and the second time-domain resource are the same. For example, the time-domain resources corresponding to the first time-frequency resource and the second time-frequency resource are both the aforementioned first time-domain resource. The first indication information can indicate the first time-domain resource, the first frequency-domain resource corresponding to the first time-frequency resource, and the second frequency-domain resource corresponding to the second time-frequency resource.

[0295] In scenario three, the number of first sub-frequency domain resources corresponding to the first time-frequency resource is equal to the number of second sub-frequency domain resources corresponding to the second time-frequency resource. For example, the aforementioned first frequency domain resource includes k1 first sub-frequency domain resources, and the second frequency domain resource includes k1 second sub-frequency domain resources. Therefore, when the first indication information indicates the position of each of the k1 first sub-time domain resource groups on the corresponding first sub-frequency domain resource, since the first and second time domain resources are the same, the first indication information indirectly indicates the position of each of the k2 second sub-time domain resource groups on the corresponding second sub-frequency domain resource.

[0296] For example, the first indication information indicates the following parameters:

[0297] The bandwidth and location of each of the k1 first sub-frequency domain resources;

[0298] In the k2 second sub-frequency domain resources, the bandwidth and location of each second sub-frequency domain resource; and,

[0299] The position of the i-th first sub-time domain resource group in the i-th first sub-frequency domain resource group among k1 first sub-time domain resource groups, where i is a positive integer less than or equal to k1.

[0300] For example, the first indication information indicates the position of the i-th first sub-time domain resource group among k1 first sub-time domain resource groups in the i-th first sub-frequency domain resource, including:

[0301] The first instruction information indicates the first duration and first period of the first sub-time domain resource included in the i-th first sub-time domain resource group.

[0302] As shown in Figure 13, taking k1=2 as an example, the first frequency domain resource includes the first sub-frequency domain resource #1 and the first sub-frequency domain resource #2. The bandwidth of the first sub-frequency domain resource #1 is Δf. CS1 The frequency domain location of the first sub-frequency domain resource #1 can be determined by the frequency shift value f relative to the boundary of the coexisting frequency band. CS1 This indicates that the bandwidth of the first sub-frequency domain resource #2 is Δf. CS2 The frequency domain location of the first sub-frequency domain resource #2 can be determined by the frequency shift value f relative to the boundary of the coexisting frequency band. CS2 The second frequency domain resource includes the second sub-frequency domain resource #1 and the second sub-frequency domain resource #2, wherein the bandwidth of the second sub-frequency domain resource #1 is Δf. CS3 The frequency domain location of the second sub-frequency domain resource #1 can be determined by the frequency shift value f relative to the boundary of the coexisting frequency band. CS3 This indicates that the bandwidth of the second sub-frequency domain resource #2 is Δf. CS4 The frequency domain location of the first sub-frequency domain resource #2 can be determined by the frequency shift value f relative to the boundary of the coexisting frequency band. CS4 express.

[0303] The first time-domain resource includes a first sub-time-domain resource group #1 and a first sub-time-domain resource group #2. The first sub-time-domain resource group #1 corresponds to the first sub-frequency domain resource #1, and the first sub-time-domain resource group #2 corresponds to the first sub-frequency domain resource #2. Each first sub-time-domain resource group includes at least one first sub-time-domain resource. As shown in Figure 13, the first sub-time-domain resource group #1 includes two first sub-time-domain resources #1, and the first sub-time-domain resource group #2 includes two first sub-time-domain resources #2. The black-filled portion in Figure 13 represents the time-frequency resource composed of the first sub-time-domain resources and the frequency domain resources. The simplified example in the figure represents the first sub-time-domain resource.

[0304] The first duration of the first sub-time domain resource included in the first sub-time domain resource group #1 is △T. 11 The first period is T CS11 The time-domain resources on the first sub-frequency domain resource #1 and the second sub-frequency domain resource #1 are the same, both being the first sub-time domain resource group #1.

[0305] The first duration of the first sub-time domain resource included in the first sub-time domain resource group #2 is △T. 12 The first period is T CS12 The time-domain resources on the first sub-frequency domain resource #2 and the second sub-frequency domain resource #2 are the same, both being the first sub-time domain resource group #2.

[0306] Optionally, in case three, the first communication device may also acquire second indication information, which is used to indicate the updated first time-frequency resources and the second time-frequency resources. For example, the second indication information indicates the updated first time-domain resources.

[0307] Optionally, during the initial communication phase of the first and second communication devices, a significant amount of coexistence-related information needs to be exchanged. The first indication information can be configured with a larger first duration and a smaller first period. In subsequent communication phases, when the first and second communication devices only need to periodically exchange a small amount of information, the second indication information can be used to indicate a switch to a smaller first duration and a larger first period.

[0308] In the communication method shown in Figure 2, the first communication device can determine, based on the acquired first indication information, a first time-frequency resource that can be used to send a first signal to the second communication device, and / or, based on the first indication information, a second time-frequency resource that can be used to receive a second signal from the second communication device. The first and second communication devices support different communication protocols; that is, the first indication information explicitly indicates the time-frequency resources required for signal transmission in a scenario where devices supporting different standards coexist.

[0309] As described above, the communication method shown in Figure 2 can be used to determine a first time-frequency resource that can be used to send a first signal to a second communication device, and / or, based on the first indication information, a second time-frequency resource that can be used to receive a second signal from a second communication device. Therefore, after determining the first time-frequency resource and / or the second time-frequency resource, the transmission of the first and second signals can be performed.

[0310] For example, the frame formats of the first signal and the second signal can be designed based on a cellular communication protocol or a wireless local area network protocol. That is, the first signal and the second signal can be transmitted according to the transmission parameters of the first communication device or according to the transmission parameters of the second communication device. Here, the transmission parameters refer to the frame format corresponding to a specific standard (such as subcarrier spacing, time-domain symbol length, etc.).

[0311] To facilitate understanding, the frame formats of the first and second signals are briefly introduced below with reference to Figures 14(a) and (b).

[0312] As can be seen from Figures 14(a) and (b), if the first communication device is a cellular device, it can send the first signal according to the cellular transmission parameters. The frame format of the first signal can be shown in Figure 14(a). If the first communication device is a WiFi device, it can send the first signal according to the WiFi transmission parameters. Taking the wireless LAN protocol supported by the first communication device as 802.11ax as an example, the first signal can be sent through the physical protocol data unit (PPDU). The frame format of the first signal can be shown in Figure 14(b). The PPDU includes the Legacy Short Training Field (L-STF), the Legacy Long Training Field (L-LTF), the Legacy Signal Field (L-SIG), the Repeat Legacy-signal Field (RL-SIG), and the Data field.

[0313] Similarly, for the second signal transmitted by the second communication device, if the second communication device is a cellular device, it can transmit the second signal according to cellular transmission parameters, and the frame format of the second signal can be as shown in Figure 14(a); if the second communication device is a WiFi device, it can transmit the second signal according to WiFi transmission parameters. Taking the wireless LAN protocol supported by the second communication device as 802.11ax as an example, the second signal can be transmitted through a PPDU, and the frame format of the second signal can be as shown in Figure 14(b). Figures 14(a) and (b) above are merely illustrative examples showing the possible signaling formats of the first and second signals in this application and do not constitute any limitation on the scope of protection of this application.

[0314] The sequence number of each process does not imply the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of this application.

[0315] In the various embodiments of this application, unless otherwise specified or in case of logical conflict, the terminology and / or descriptions of different embodiments are consistent and can be referenced by each other. The technical features of different embodiments can be combined to form new embodiments according to their inherent logical relationship.

[0316] In the above embodiments, examples of devices in existing network architectures (such as a first communication device, a second communication device, etc.) are used for illustrative purposes. The specific form of the devices is not limited in the embodiments of this application. For example, any device that can achieve the same function in the future is applicable to the embodiments of this application.

[0317] It is understood that, in the above-described method embodiments, the methods and operations implemented by the device (such as the first communication device or the second communication device) can also be implemented by components of the device (such as chips or circuits).

[0318] The communication method provided in the embodiments of this application has been described in detail above with reference to Figure 2. The above communication method is mainly described from the perspective of the interaction between the first communication device and the second communication device. It can be understood that, in order to realize the above functions, the first communication device and the second communication device include hardware structures and / or software modules corresponding to the execution of each function.

[0319] Those skilled in the art will recognize that, based on the units and algorithm steps described in conjunction with the embodiments disclosed herein, this application can be implemented in hardware or a combination of hardware and computer software. Whether a function is implemented in hardware or by computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0320] The communication device provided in the embodiments of this application will be described in detail below with reference to Figures 15 to 18. The description of the device embodiments corresponds to the description of the method embodiments. Therefore, for contents not described in detail, please refer to the method embodiments above. For the sake of brevity, some contents will not be repeated.

[0321] This application embodiment can divide the communication device into functional modules according to the above method example. For example, each function can be divided into its own functional modules, or two or more functions can be integrated into one processing module. The integrated modules can be implemented in hardware, software, or a combination of both. The module division in this application embodiment is illustrative and only represents one logical functional division; other division methods may be used in actual implementation. The following description uses the division of functional modules according to each function as an example.

[0322] Figure 15 is an exemplary block diagram of the communication device 10 provided in an embodiment of this application.

[0323] As shown in Figure 15, for example, the communication device 10 may include a chip system 110, a memory 120, a bus 130, a power management module 140, or a transceiver 150, etc.

[0324] The chip system 110 can be an integrated circuit chip with signal processing capabilities. During implementation, each step of the above method (e.g., S220 in Figure 2) can be completed through the integrated logic circuitry in the hardware of the chip system 110 or through software instructions.

[0325] As an example and not a limitation, chip system 110 may include circuitry or chips responsible for signal processing (such as a modem chip, also known as a baseband chip, or a system-on-chip (SoC) chip or system-in-package (SIP) chip containing a modem core).

[0326] Optionally, the chip system 110 may also include a memory (such as a cache) for storing instructions and data. In some embodiments, the memory in the chip system 110 is a cache memory. This memory can store instructions or data that the chip system 110 has just used or that are used repeatedly. If the chip system 110 needs to use the instruction or data again, it can directly retrieve it from the memory. This avoids repeated accesses, reduces the waiting time of the chip system 110, and thus improves the efficiency of the system.

[0327] In some embodiments, the chip system 110 may include one or more interfaces. Interfaces may include an inter-integrated circuit (I2C) interface, an inter-integrated circuit sound (I2S) interface, a pulse code modulation (PCM) interface, a universal asynchronous receiver / transmitter (UART) interface, a mobile industry processor interface (MIPI), a general-purpose input / output (GPIO) interface, a SIM interface, and / or a USB interface, etc.

[0328] Memory 120 may include random access memory (RAM) and read-only memory (ROM). Memory 120 may store computer-readable, computer-executable code, including instructions that, when executed, cause the processor to perform the various functions described in this application.

[0329] Optionally, the code may include instructions for implementing various aspects of the embodiments of this application, including instructions for supporting the generation or parsing of the first symbol. The code may be stored in a non-transitory computer-readable medium such as system memory or other types of memory. In some cases, the code may not be directly executable by the chip system 110, but may instead enable a computer (e.g., at compile and execution time) to perform the functions described in this application. In some cases, memory 120 may in particular contain a basic I / O system that controls basic hardware or software operations, such as interaction with peripheral components or devices.

[0330] For example, the chip system 110 executes various functional applications and data processing of the communication device 10 by running instructions stored in the memory 120. For instance, when the communication device 10 transfers files with other devices (which may also be terminals or access network devices), the chip system 110 of the communication device 10 can call the computer-executable program code stored in the memory 120 to implement the data and / or signaling transmission methods provided in the embodiments of this application.

[0331] In addition, the memory 120 can be integrated into the chip system 110 or independent of the chip system 110.

[0332] Bus 130 may be a universal serial bus (USB) used to support communication between the various parts of the communication device 10.

[0333] The power management module 140 is used to receive charging input from the charger. Optionally, the power management module 140 can also supply power to the communication device 10 while charging it (e.g., the battery module of the communication device 10). By way of example and not limitation, the power management module 140 can also supply power to other devices besides the communication device 10.

[0334] Transceiver 150 can communicate bidirectionally via one or more antennas, wired links, or wireless links. For example, transceiver 150 can represent a wireless transceiver and can communicate bidirectionally with another wireless transceiver. Transceiver 150 may also include a modem for modulating packets and providing the modulated packets to the antenna for transmission, and for demodulating packets received from the antenna. Transceiver 150 may include a receiver and a transmitter, the receiver performing the function of receiving information and the transmitter performing the function of transmitting information.

[0335] In some cases, a wireless device may include a single antenna. However, in other cases, the device may have more than one antenna, such as antenna 1 and antenna 2 shown in FIG. 15, which may be capable of simultaneously transmitting or receiving multiple wireless transmissions. Exemplarily, antenna 1 and antenna 2 are used to transmit and receive electromagnetic wave signals. Each antenna in communication device 10 can be used to cover one or more communication frequency bands. Different antennas can also be multiplexed to improve antenna utilization. For example, antenna 1 can be multiplexed as a diversity antenna for a wireless local area network. In other embodiments, the antennas can be used in conjunction with a tuning switch. Communication device 10 can transfer files to other devices via wireless communication functions.

[0336] In one design, the communication device 20 may correspond to the first communication device in the above method embodiment.

[0337] The device 10 can implement the steps or processes corresponding to those performed by the first communication device in the above method embodiments. The transceiver 150 can be used to perform operations related to the transmission and reception of the first communication device in the above method embodiments, such as performing step S210 of obtaining first indication information in the above method embodiments. The chip system 110 can be used to perform processing-related operations of the first communication device in the above method embodiments, such as performing step S220 of generating a first signal in the above method embodiments.

[0338] Under this design, the communication device 10 may include modules such as a short-range communication module 164, a sensor 161, a display 162, or a camera 163, as shown in Figure 15.

[0339] The short-range communication module 164 may include modules that support short-range communication, such as WIFI and Bluetooth.

[0340] Sensor 161 may include pressure sensors, gyroscope sensors, barometric pressure sensors, magnetic sensors, accelerometers, distance sensors, proximity sensors, fingerprint sensors, temperature sensors, touch sensors, ambient light sensors, bone conduction sensors, etc.

[0341] Display 162 is used to display images, videos, etc. The display includes a display panel. The display panel can be a liquid crystal display (LCD), an organic light-emitting diode (OLED), an active-matrix organic light-emitting diode (AMOLED), a flexible light-emitting diode (FLED), a Miniled LED, a MicroLED, a Micro-OLED, a quantum dot light-emitting diode (QLED), etc. For example, in this embodiment, the display can be used to display the interface required by the communication device 10. Exemplarily, the communication device 10 implements display functions through a GPU, a display, and an application processor. The GPU is a microprocessor for image processing, connected to the display and the application processor. The GPU is used to perform mathematical and geometric calculations for graphics rendering. The chip system 110 may include one or more GPUs that execute program instructions to generate or modify display information.

[0342] Camera 163 is used to acquire images, videos, etc.

[0343] It is understood that the structure shown in Figure 15 does not constitute a specific limitation on the communication device 10, and the specific structure of the terminal device and / or network device can be referred to Figure 15. In some embodiments, the communication device 10 may also include more or fewer components than shown in Figure 15, or combine some components, or split some components, or have different component arrangements, etc. Alternatively, some components shown in Figure 15 may be implemented in hardware, software, or a combination of software and hardware, and the terminal device and / or network device may add or remove components based on the structure given in Figure 15.

[0344] Figure 16 is a schematic block diagram of the communication device 20 provided in an embodiment of this application.

[0345] As shown in Figure 16, the communication device 20 may include a baseband unit 210, which can communicate with external devices through a cellular RF transceiver 220 (e.g., if the communication device 20 is a terminal device, the baseband unit 210 can communicate with access network devices through the cellular RF transceiver 220; or, if the communication device 20 is an access network device, the baseband unit 210 can communicate with terminal devices and / or core network devices through the cellular RF transceiver 220).

[0346] Baseband unit 210 may include computer-readable medium / memory. Baseband unit 210 is responsible for general processing, including the execution of software stored on the computer-readable medium / memory. When executed by baseband unit 304, the software causes baseband unit 210 to perform the various functions described above. The computer-readable medium / memory may also be used to store data manipulated by baseband unit 210 during software execution.

[0347] The baseband unit 210 further includes a receiving unit 201, a management unit 202, and a transmitting unit 203. The management unit 202 includes one or more sub-units shown in FIG. 16 (e.g., an information generation sub-unit and an information parsing sub-unit), wherein the signal generation sub-unit can be used to generate the first indication information in the above method embodiments, and the signal parsing sub-unit can be used to parse the first indication information in the above method embodiments. The units within the management unit 201 can be stored in a computer-readable medium / memory and / or configured as hardware within the baseband unit 210. The receiving unit 201 and the transmitting unit 203 can be referred to as transceiver units.

[0348] When the communication device 20 is used to implement the function of the first communication device in the above method embodiments, the receiving unit 201 is used to execute the receiving step of the first communication device, the sending unit 203 is used to execute the sending step of the first communication device, and the management unit 202 is used to execute the processing step of the first communication device.

[0349] For example, when the communication device 20 is used to implement the functions of the first communication device in the above method embodiments, the transmitting unit 203 is used to acquire first indication information. The management unit 202 is used to determine a first time-frequency resource and / or a second time-frequency resource according to the first indication information. The first time-frequency resource is used for the first communication device to send a first signal to the second communication device, and the second time-frequency resource is used for the first communication device to receive a second signal from the second communication device. The first communication device supports a cellular communication protocol, and the second communication device supports a wireless local area network (WLAN) protocol; or, the first communication device supports a WLAN communication protocol, and the second communication device supports a cellular communication protocol.

[0350] For example, when the device 20 is used to execute the method in FIG2, the receiving unit 201 can be used to execute the step of receiving information in the method, such as S210; the receiving unit 201 can be used to execute the step of receiving information in the method; the sending unit 203 can be used to execute the step of sending information in the method, such as S220; and the management unit 202 can be used to execute the processing step in the method, such as S220.

[0351] For a more detailed description of the receiving unit 201, management unit 202 and sending unit 203, please refer to the relevant descriptions in the above method embodiments, which will not be repeated here.

[0352] As can be seen from the foregoing description of the communication device shown in Figure 15, the communication device may include a chip system. Unless otherwise specified, the term "second communication device" may refer to the second communication device itself, or it may refer to a device that enables the first communication device to perform its functions. Optionally, the second communication device may be an access network device; or, the second communication device may be a chip system within an access network device.

[0353] Furthermore, unless otherwise specified, the term "first communication device" may refer to the first communication device itself or to a device that enables the first communication device to perform its functions. Optionally, the first communication device may be a terminal device; or, the first communication device may be a chip system within a terminal device.

[0354] By way of example and not limitation, the chip system in this application is shown in Figure 17, which is a schematic block diagram of the chip system 30 provided in an embodiment of this application. The chip system includes, but is not limited to, a modem chip, also known as a baseband chip, or a system-on-chip (SoC) chip or system-in-package (SIP) chip containing a modem core.

[0355] As can be seen from Figure 17, the chip system (or processing system) includes a processor 310, a memory 320, and an input / output interface 330.

[0356] The processor 310 can be a processing circuit in the chip system (including at least one processor, such as processor 1 and processor 2 as shown in FIG. 17). The processor 310 can be coupled to the memory 320 to call the instructions in the memory 320, so that the chip system can implement the methods and functions of the various embodiments of this application. The input / output interface 330 can be an input / output circuit in the chip system, which outputs the information processed by the chip system, or inputs the data or signaling information to be processed into the chip system for processing.

[0357] As one approach, the chip system is used to implement the operations performed by the first or second communication device in the various method embodiments described above.

[0358] For example, the processor 310 is used to implement the processing-related operations performed by the first communication device or the second communication device in the above method embodiments. Specifically, refer to the description in the foregoing embodiments and execute step S220 as shown in FIG2. The input / output interface 330 is used to implement the sending and / or receiving-related operations performed by the first communication device or the second communication device in the above method embodiments. Specifically, refer to the description in the foregoing embodiments and execute step S210 as shown in FIG2.

[0359] As an example and not a limitation, the chip system in this application is shown in FIG18, which is a schematic block diagram of the chip system 40 provided in an embodiment of this application.

[0360] As shown in Figure 18, the chip system (or processing system) includes an input / output interface 410 and logic circuitry 420. The input / output interface 410 can be an input / output circuit within the chip system, outputting processed information or inputting data or signaling information to be processed. Specifically, it can be referred to the description in the preceding embodiments, executing, for example, step S220 as shown in Figure 2. The logic circuitry 420 is used to execute the aforementioned communication method, specifically referring to the description in the preceding embodiments, executing, for example, steps S210 or S230 as shown in Figure 2.

[0361] As one approach, the chip system is used to implement the operations performed by the first or second communication device in the various method embodiments described above.

[0362] For example, logic circuit 420 is used to implement processing-related operations performed by the first communication device or the second communication device in the above method embodiments; input / output interface 410 is used to implement sending and / or receiving-related operations performed by the first communication device or the second communication device in the above method embodiments.

[0363] This application also provides a computer-readable storage medium storing computer instructions for implementing the methods executed by the device in the above-described method embodiments.

[0364] For example, when the computer program is executed by a computer, it enables the computer to implement the methods executed by the terminal device or network device in the various embodiments of the above methods.

[0365] This application also provides a computer program product comprising instructions that, when executed by a computer, implement the methods performed by a terminal device or network device in the above-described method embodiments.

[0366] This application also provides a communication system, including the aforementioned terminal device and network device.

[0367] The explanations and beneficial effects of the relevant contents in any of the devices provided above can be found in the corresponding method embodiments provided above, and will not be repeated here.

[0368] Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0369] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0370] In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be through some interfaces; the indirect coupling or communication connection between apparatuses or units may be electrical, mechanical, or other forms.

[0371] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment, depending on actual needs.

[0372] In addition, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0373] If the aforementioned functions are implemented as software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or a portion of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

Claims

1. A communication method, characterized in that, Applied to a first communication device, the method includes: Obtain the first instruction information; Based on the first indication information, a first time-frequency resource and / or a second time-frequency resource are determined. The first time-frequency resource is used by the first communication device to send a first signal to the second communication device, and the second time-frequency resource is used by the first communication device to receive a second signal from the second communication device. Wherein, the first communication device supports cellular communication protocols and the second communication device supports wireless local area network protocols; or, the first communication device supports wireless local area network communication protocols and the second communication device supports cellular communication protocols.

2. The method according to claim 1, characterized in that, The frequency domain resource corresponding to the first time-frequency resource is a first frequency domain resource, which includes k1 first sub-frequency domain resources. The first indication information indicates the bandwidth and location of each of the k1 first sub-frequency domain resources; and / or, The frequency domain resource corresponding to the second time-frequency resource is the second frequency domain resource, which includes k2 second sub-frequency domain resources. The first indication information indicates the bandwidth and location of each of the k2 second sub-frequency domain resources. Wherein, k1 and k2 are positive integers.

3. The method according to claim 2, characterized in that, The first frequency domain resource and the second frequency domain resource are the same.

4. The method according to claim 2 or 3, characterized in that, When k1 is a positive integer greater than or equal to 2, the first indication information further indicates k1 first offset durations corresponding to the k1 first sub-frequency domain resources, where the i-th first offset duration is the duration between the first time and the second time, the first time is the earliest time when the first signal or the second signal is transmitted among the k1 first sub-frequency domain resources, and the second time is the time when the first signal or the second signal begins to be transmitted on the i-th first sub-frequency domain resource corresponding to the i-th first offset duration, where i is a positive integer less than or equal to k1; and / or, When k2 is a positive integer greater than or equal to 2, the first indication information further indicates k2 second offset durations corresponding to the k2 second sub-frequency domain resources, the j-th second offset duration being the duration between the third time and the fourth time, the third time being the earliest time when the first signal or the second signal is transmitted among the k2 second sub-frequency domain resources, and the fourth time being the time when the first signal or the second signal begins to be transmitted on the j-th second sub-frequency domain resource corresponding to the j-th second offset duration, where j is a positive integer less than or equal to k2.

5. The method according to any one of claims 2 to 4, characterized in that, The time-domain resource corresponding to the first time-frequency resource is a first time-domain resource, which includes k1 first sub-time-domain resource groups. The first indication information indicates the position of the i-th first sub-time-domain resource group in the i-th first sub-frequency-domain resource, where i is a positive integer less than or equal to k1; and / or, The time-domain resource corresponding to the second time-frequency resource is the second time-domain resource, which includes k2 second sub-time-domain resource groups. The first indication information indicates the position of the j-th second sub-time-domain resource group in the j-th second sub-frequency-domain resource, where j is a positive integer less than or equal to k2.

6. The method according to claim 5, characterized in that, If the first frequency domain resource and the second frequency domain resource are the same, including the k1 first sub-frequency domain resources, then k1 is equal to k2, and the first indication information indicates the position of the i-th first sub-time domain resource group and the i-th second sub-time domain resource group in the i-th first sub-frequency domain resource.

7. The method according to claim 6, characterized in that, The first indication information indicates the position of the i-th first sub-time domain resource group and the i-th second sub-time domain resource group in the i-th first sub-frequency domain resource, including: The first indication information indicates the first duration of the first sub-time domain resource included in the i-th first sub-time domain resource group, and the second duration of the second sub-time domain resource included in the i-th second sub-time domain resource group. Wherein, the end time of the first duration is the start time of the second duration, or the end time of the second duration is the start time of the first duration.

8. The method according to any one of claims 5 to 7, characterized in that, The first indication information indicates the position of the i-th first sub-time domain resource group in the i-th first sub-frequency domain resource, including: The first indication information indicates the first duration and first period of the first sub-time domain resource included in the i-th first sub-time domain resource group; And / or, The first indication information indicates the position of the j-th second sub-time domain resource group in the j-th second sub-frequency domain resource, including: The first indication information indicates the second duration and the second period of the second sub-time domain resources included in the j-th second sub-time domain resource group.

9. The method according to claim 8, characterized in that, At least one third time-frequency resource corresponding to the i-th first sub-frequency domain resource, the third time-frequency resource is used to transmit signals other than the first signal and the second signal; And / or, The j-th second sub-frequency domain resource corresponds to at least one fourth time-frequency resource, which is used to transmit signals other than the first signal and the second signal.

10. The method according to claim 8 or 9, characterized in that, The first indication information also indicates the number of times the first signal is continuously transmitted, and / or the number of times the second signal is continuously transmitted.

11. The method according to any one of claims 8 to 10, characterized in that, The first duration is equal to the second duration; and / or, the first period is equal to the second period.

12. The method according to any one of claims 1 to 11, characterized in that, The method further includes: Obtain second indication information, which is used to indicate the updated first time-frequency resource and / or the updated second time-frequency resource.

13. The method according to any one of claims 1 to 12, characterized in that, The first signal and / or the second signal carry at least one of the following information: Information on signal measurement between the first communication device and the second communication device, information on time synchronization between the first communication device and the second communication device, or information exchanged between the first communication device and the second communication device.

14. The method according to any one of claims 1 to 13, characterized in that, The acquisition of the first indication information includes: Generate the first indication information; or, Receive the first indication information from the second communication device; or, Receive the first instruction information from the management device.

15. A communication device, characterized in that, It includes at least one processor for executing a computer program or instructions to cause the method as described in any one of claims 1 to 13 to be performed.

16. The communication device according to claim 15, characterized in that, The communication device further includes a memory for storing the computer program or instructions; and / or, The communication device further includes a communication interface coupled to the at least one processor, the communication interface being used for inputting and / or outputting information.

17. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a computer program or instructions that, when executed on a computer, cause the method as described in any one of claims 1 to 13 to be performed.

18. A chip system, characterized in that, Includes: a processor for retrieving and running a computer program from memory, such that the method as described in any one of claims 1 to 13 is performed.

19. A computer program product, characterized in that, When the computer program product is run on a computer, the method as described in any one of claims 1 to 13 is performed.

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