Communication method and communication apparatus

Abstract

The present application provides a communication method and a communication apparatus. The method comprises: using a first sounding reference signal (SRS) frequency hopping pattern and a first SRS bandwidth to send at least one first SRS on a first working frequency band, wherein the first working frequency band is a working frequency band that has been activated; receiving first instruction information, which is used for activating at least one new working frequency band; and using a second SRS frequency hopping pattern and a second SRS bandwidth to send at least one second SRS on a second working frequency band, wherein the second working frequency band includes the first working frequency band and the at least one new working frequency band, the first SRS frequency hopping pattern is different from the second SRS frequency hopping pattern, and / or the first SRS bandwidth is different from the second SRS bandwidth. Channel information of a new working frequency band is acquired by changing an SRS frequency hopping pattern and / or an SRS bandwidth when a new working frequency band has been activated.

Description

Communication method and communication device

[0001] This application claims priority to the Chinese patent application filed with the State Intellectual Property Office of China on September 1, 2023, with application number 202311138659.9 and application name “Communication Method and Communication Device”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the field of communications, and in particular, to a communication method and a communication device. Background Art

[0003] In New Radio (NR) systems, user equipment (UE) can transmit a sounding reference signal (SRS). Network equipment measures the SRS sent by the UE to obtain channel state information and perform beam management. When a new operating bandwidth is activated, the SRS needs to be used to obtain channel information for the newly activated bandwidth as quickly as possible. When the bandwidth of an SRS is smaller than the bandwidth of the channel to be sounded, the UE transmits the SRS in a narrowband manner.

[0004] At this time, in order to measure the SRS of the total system bandwidth, the UE can transmit the SRS by frequency hopping to complete the measurement of the total system bandwidth. The base station configures the SRS with information such as the occupied bandwidth size, whether to perform frequency hopping, the starting frequency domain position during frequency hopping, and the sub-band granularity during frequency hopping through high-layer signaling.

[0005] If the SRS frequency hopping pattern or the SRS bandwidth of the SRS over the continuous large bandwidth consisting of the newly activated operating bandwidth and the already activated operating bandwidth is consistent with that before the new operating bandwidth is activated, more time will be required to acquire the channel information of the activated bandwidth.

[0006] Summary of the Invention

[0007] The present application provides a communication method and a communication device for acquiring channel information of a new operating frequency band by changing an SRS frequency hopping pattern and / or an SRS bandwidth after activating the new operating frequency band.

[0008] In a first aspect, a communication method is provided. The method may be executed by a terminal device, or may be executed by a chip or circuit configured in the terminal device, and this application does not limit this.

[0009] The method includes: sending at least one first sounding reference signal (SRS) on a first working frequency band using a first sounding reference signal (SRS) frequency hopping pattern and a first SRS bandwidth, wherein the first working frequency band is an activated working frequency band; receiving first indication information, wherein the first indication information is used to activate at least one new working frequency band; sending at least one second SRS on a second working frequency band using a second SRS frequency hopping pattern and a second SRS bandwidth, wherein the second working frequency band includes the first working frequency band and at least one new working frequency band; the first SRS frequency hopping pattern and the second SRS frequency hopping pattern are different, and / or the first SRS bandwidth and the second SRS bandwidth are different.

[0010] With the above solution, after activating a new working frequency band, channel information of the continuous large bandwidth consisting of the activated working frequency band and the newly activated working frequency band is acquired using a new SRS frequency hopping pattern and / or SRS bandwidth.

[0011] It should be understood that in this application, the working frequency band may also be referred to as a frequency band, and this application does not limit its naming.

[0012] In a possible implementation, the total bandwidth of the at least one first SRS is equal to the bandwidth of the first working frequency band.

[0013] In a possible implementation, the total bandwidth of the at least one second SRS is equal to the bandwidth of the second working frequency band.

[0014] In combination with the first aspect, in some implementations of the first aspect, the method further includes: determining a second SRS frequency hopping pattern and a second SRS bandwidth according to the second working frequency band.

[0015] In a possible implementation, determining the second SRS frequency hopping pattern and / or the second SRS bandwidth according to the second operating frequency band includes: determining the second SRS bandwidth according to the bandwidth of the second operating frequency band, the second SRS bandwidth being not less than the first SRS bandwidth.

[0016] In one possible implementation, determining the second SRS bandwidth according to the bandwidth of the second working frequency band includes: determining the second SRS bandwidth according to a first ratio of the bandwidth of the second working frequency band to the bandwidth of the first working frequency band, and the second ratio of the second SRS bandwidth to the first SRS bandwidth is not less than the first ratio.

[0017] In one possible implementation, the second SRS frequency hopping pattern is used to indicate a second frequency domain resource including a second working frequency band, and the first SRS frequency hopping pattern is used to indicate a first frequency domain resource including a first working frequency band.

[0018] In one possible implementation, the first frequency domain resources correspond to a first frequency hopping sequence, the second frequency domain resources correspond to a second frequency hopping sequence, the first frequency hopping sequence is the sequence of sending at least one first SRS in the first working frequency band, the second frequency hopping sequence is the sequence of sending at least one second SRS in the second working frequency band, and at least one second SRS is sent on the second working frequency band with a second SRS hopping pattern and a second SRS bandwidth, including: sending the second SRS on each working frequency band in the second working frequency band in the first frequency hopping sequence.

[0019] In a second aspect, a communication method is provided. The method can be executed by a network device, or can be executed by a chip or circuit configured in the network device, and this application does not limit this.

[0020] The method includes: receiving at least one first sounding reference signal (SRS) on a first working frequency band with a first sounding reference signal (SRS) frequency hopping pattern and a first SRS bandwidth, wherein the first working frequency band is an activated working frequency band; sending first indication information, wherein the first indication information is used to activate at least one new working frequency band; receiving at least one second SRS on a second working frequency band with a second SRS frequency hopping pattern and a second SRS bandwidth, wherein the second working frequency band includes the first working frequency band and at least one new working frequency band; the first SRS frequency hopping pattern and the second SRS frequency hopping pattern are different, and / or the first SRS bandwidth and the second SRS bandwidth are different.

[0021] With the above solution, after activating a new working frequency band, channel information of the continuous large bandwidth consisting of the activated working frequency band and the newly activated working frequency band is acquired using a new SRS frequency hopping pattern and / or SRS bandwidth.

[0022] In a possible implementation, the total bandwidth of the at least one first SRS is equal to the bandwidth of the first working frequency band.

[0023] In a possible implementation, the total bandwidth of the at least one second SRS is equal to the bandwidth of the second working frequency band.

[0024] In a possible implementation, the second SRS bandwidth is determined according to the bandwidth of the second working frequency band, and the second SRS bandwidth is not less than the first SRS bandwidth.

[0025] In one possible implementation, the second SRS bandwidth is determined based on the bandwidth of the second working frequency band, including: the second SRS bandwidth is determined based on a first ratio of the bandwidth of the second working frequency band to the bandwidth of the first working frequency band, and the second ratio of the second SRS bandwidth to the first SRS bandwidth is not less than the first ratio.

[0026] In one possible implementation, the second SRS frequency hopping pattern is used to indicate a second frequency domain resource including a second working frequency band, and the first SRS frequency hopping pattern is used to indicate a first frequency domain resource including a first working frequency band.

[0027] In one possible implementation, the first frequency domain resources correspond to a first frequency hopping sequence, the second frequency domain resources correspond to a second frequency hopping sequence, the first frequency hopping sequence is the sequence of receiving at least one first SRS in the first working frequency band, the second frequency hopping sequence is the sequence of receiving at least one second SRS in the second working frequency band, and at least one second SRS is received on the second working frequency band with a second SRS hopping pattern and a second SRS bandwidth, including: receiving the second SRS on each working frequency band in the second working frequency band in the first frequency hopping sequence.

[0028] According to a third aspect, a communication device is provided, including: a sending unit for sending at least one first SRS on a first working frequency band with a first sounding reference signal SRS hopping pattern and a first SRS bandwidth, wherein the first working frequency band is an activated working frequency band; a receiving unit for receiving first indication information, wherein the first indication information is used to activate at least one new working frequency band; the sending unit is also used for sending at least one second SRS on a second working frequency band with a second SRS hopping pattern and a second SRS bandwidth, wherein the second working frequency band includes the first working frequency band and at least one new working frequency band; the first SRS hopping pattern and the second SRS hopping pattern are different, and / or the first SRS bandwidth and the second SRS bandwidth are different.

[0029] In a possible implementation, the total bandwidth of the at least one first SRS is equal to the bandwidth of the first working frequency band.

[0030] In a possible implementation, the total bandwidth of the at least one second SRS is equal to the bandwidth of the second working frequency band.

[0031] In combination with the first aspect, in some implementations of the first aspect, the apparatus further includes: a processing unit, configured to determine a second SRS frequency hopping pattern and a second SRS bandwidth according to the second working frequency band.

[0032] In a possible implementation, determining the second SRS frequency hopping pattern and / or the second SRS bandwidth according to the second operating frequency band includes: determining the second SRS bandwidth according to the bandwidth of the second operating frequency band, the second SRS bandwidth being not less than the first SRS bandwidth.

[0033] In one possible implementation, determining the second SRS bandwidth according to the bandwidth of the second working frequency band includes: determining the second SRS bandwidth according to a first ratio of the bandwidth of the second working frequency band to the bandwidth of the first working frequency band, and the second ratio of the second SRS bandwidth to the first SRS bandwidth is not less than the first ratio.

[0034] In one possible implementation, the second SRS frequency hopping pattern is used to indicate a second frequency domain resource including a second working frequency band, and the first SRS frequency hopping pattern is used to indicate a first frequency domain resource including a first working frequency band.

[0035] In one possible implementation, the first frequency domain resources correspond to a first frequency hopping sequence, the second frequency domain resources correspond to a second frequency hopping sequence, the first frequency hopping sequence is the sequence of sending at least one first SRS in the first working frequency band, the second frequency hopping sequence is the sequence of sending at least one second SRS in the second working frequency band, and at least one second SRS is sent on the second working frequency band with a second SRS hopping pattern and a second SRS bandwidth, including: sending the second SRS on each working frequency band in the second working frequency band in the first frequency hopping sequence.

[0036] In a fourth aspect, a communication device is provided, including: a receiving unit for receiving at least one first SRS on a first working frequency band with a first sounding reference signal SRS hopping pattern and a first SRS bandwidth, wherein the first working frequency band is an activated working frequency band; a sending unit for sending first indication information, wherein the first indication information is used to activate at least one new working frequency band; the receiving unit is also used for receiving at least one second SRS on a second working frequency band with a second SRS hopping pattern and a second SRS bandwidth, wherein the second working frequency band includes the first working frequency band and at least one new working frequency band; the first SRS hopping pattern and the second SRS hopping pattern are different, and / or the first SRS bandwidth and the second SRS bandwidth are different.

[0037] In a possible implementation, the total bandwidth of the at least one first SRS is equal to the bandwidth of the first working frequency band.

[0038] In a possible implementation, the total bandwidth of the at least one second SRS is equal to the bandwidth of the second working frequency band.

[0039] In a possible implementation, the second SRS bandwidth is determined according to the bandwidth of the second working frequency band, and the second SRS bandwidth is not less than the first SRS bandwidth.

[0040] In one possible implementation, the second SRS bandwidth is determined based on the bandwidth of the second working frequency band, including: the second SRS bandwidth is determined based on a first ratio of the bandwidth of the second working frequency band to the bandwidth of the first working frequency band, and the second ratio of the second SRS bandwidth to the first SRS bandwidth is not less than the first ratio.

[0041] In one possible implementation, the second SRS frequency hopping pattern is used to indicate a second frequency domain resource including a second working frequency band, and the first SRS frequency hopping pattern is used to indicate a first frequency domain resource including a first working frequency band.

[0042] In one possible implementation, the first frequency domain resources correspond to a first frequency hopping sequence, the second frequency domain resources correspond to a second frequency hopping sequence, the first frequency hopping sequence is the sequence of receiving at least one first SRS in the first working frequency band, the second frequency hopping sequence is the sequence of receiving at least one second SRS in the second working frequency band, and at least one second SRS is received on the second working frequency band with a second SRS hopping pattern and a second SRS bandwidth, including: receiving the second SRS on each working frequency band in the second working frequency band in the first frequency hopping sequence.

[0043] In a fifth aspect, a wireless communication device is provided, comprising modules or units for executing the method in the first aspect or any possible implementation of the first aspect.

[0044] In a sixth aspect, a wireless communication device is provided, comprising modules or units for executing the method in the second aspect or any possible implementation of the second aspect.

[0045] In a seventh aspect, a communication device is provided, comprising a processor coupled to a memory, and configured to execute the method of the first aspect and its possible implementations or the second aspect and its possible implementations. In one possible implementation, the communication device further comprises a memory. In one possible implementation, the communication device further comprises a communication interface, the processor coupled to the communication interface. In another possible implementation, the communication device further comprises a communication interface, the processor coupled to the communication interface.

[0046] In one implementation, the communication device is a terminal device. When the communication device is a terminal device, the communication interface may be a transceiver or an input / output interface. In one possible implementation, the transceiver may be a transceiver circuit. In one possible implementation, the input / output interface may be an input / output circuit.

[0047] In another implementation, the communication device is a network device. When the communication device is a network device, the communication interface may be a transceiver or an input / output interface. In one possible implementation, the transceiver may be a transceiver circuit. In another possible implementation, the input / output interface may be an input / output circuit.

[0048] In another implementation, the communication device is a chip or a chip system. When the communication device is a chip or a chip system, the communication interface can be an input / output interface, interface circuit, output circuit, input circuit, pin, or related circuit on the chip or chip system. The processor can also be embodied as a processing circuit or a logic circuit.

[0049] In an eighth aspect, a communication device is provided, comprising: an input circuit, an output circuit, and a processing circuit. The processing circuit is configured to receive a signal via the input circuit and transmit a signal via the output circuit, so that the method of any of the first and second aspects, and any possible implementation of any of the above aspects, is implemented.

[0050] In a specific implementation, the communication device may be a chip, the input circuit may be an input pin, the output circuit may be an output pin, and the processing circuit may be a transistor, a gate circuit, a trigger, or various logic circuits. The input signal received by the input circuit may be, for example, but not limited to, received and input by a receiver, and the signal output by the output circuit may be, for example, but not limited to, output to a transmitter and transmitted by the transmitter. The input circuit and the output circuit may be different circuits or the same circuit, in which case the circuit functions as an input circuit and an output circuit at different times. The embodiments of the present application do not limit the specific implementation of the processor and various circuits.

[0051] In a ninth aspect, a processing device is provided, comprising a processor and a memory. The processor is configured to read instructions stored in the memory and receive signals via a receiver and transmit signals via a transmitter to execute the method of any one of the first and second aspects, as well as any possible implementation of the aforementioned aspects.

[0052] In a possible implementation, there are one or more processors and one or more memories.

[0053] In a possible implementation, the memory may be integrated with the processor, or the memory may be provided separately from the processor.

[0054] In the specific implementation process, the memory can be a non-transitory memory, such as a read-only memory (ROM), which can be integrated with the processor on the same chip or can be set on different chips. The embodiments of the present application do not limit the type of memory and the setting method of the memory and the processor.

[0055] It should be understood that related data interaction processes, such as sending indication information, can be the process of outputting indication information from the processor, and receiving capability information can be the process of receiving input capability information from the processor. Specifically, the output data of the processing can be output to the transmitter, and the input data received by the processor can come from the receiver. The transmitter and receiver can be collectively referred to as a transceiver.

[0056] The processor in the above aspects can be a chip, which can be implemented by hardware or software. When implemented by hardware, the processor can be a logic circuit, an integrated circuit, etc.; when implemented by software, the processor can be a general-purpose processor, which is implemented by reading the software code stored in the memory. The memory can be integrated in the processor or located outside the processor and exist independently.

[0057] In the tenth aspect, a computer program product is provided, which includes: a computer program (also referred to as code, or instructions), which, when the computer program is run, enables the computer to execute any one of the first and second aspects, as well as any possible implementation of the above aspects.

[0058] In the eleventh aspect, a computer-readable medium is provided, which stores a computer program (also referred to as code, or instructions) which, when run on a computer, enables the computer to execute any one of the first and second aspects above, as well as any possible implementation of the above aspects.

[0059] In the twelfth aspect, a chip system is provided, comprising a memory and a processor, wherein the memory is used to store a computer program, and the processor is used to call and run the computer program from the memory, so that a communication device equipped with the chip system executes the methods in any of the above-mentioned first and second aspects and their possible implementation methods.

[0060] Among them, the chip system may include an input circuit or interface for sending information or data, and an output circuit or interface for receiving information or data.

[0061] In a thirteenth aspect, a communication system is provided, comprising at least one of the aforementioned terminal devices and network devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0062] FIG1 is a schematic diagram of an example of a communication system to which the present application is applied.

[0063] FIG2 is a schematic diagram of a frequency hopping method of the present application.

[0064] FIG3 is a schematic flowchart of a communication method according to an embodiment of the present application.

[0065] FIG4 is a schematic diagram of a frequency hopping method according to an embodiment of the present application.

[0066] FIG5 is a schematic diagram of another frequency hopping method according to an embodiment of the present application.

[0067] FIG6 is a schematic block diagram of a communication device provided in an embodiment of the present application.

[0068] FIG7 is a schematic block diagram of another communication device provided in an embodiment of the present application.

[0069] FIG8 is a schematic block diagram of a terminal device provided in an embodiment of the present application.

[0070] FIG9 is a schematic block diagram of a network device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0071] The technical solution in this application will be described below with reference to the accompanying drawings.

[0072] The technical solutions of the embodiments of the present application can be applied to various communication systems, such as: Global System of Mobile communication (GSM) system, Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex (TDD) system, Wireless Fidelity (WIFI), Device to Device (D2D) communication system, Vehicle-to-Everything (V2X) communication system, Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication system, Machine to Machine (M2M) system, Machine Type Communication (MTC) system, Internet of Things (IoT) system. things, IoT) communication system, non-terrestrial network (NTN) system, fifth generation mobile communication system (5G) system, sixth generation mobile communication system (6G) or new radio (NR) or future wireless communication system.

[0073] First, a brief introduction to the network architecture applicable to this application is given.

[0074] As shown in Figure 1, the communication system may include at least one network device, such as the network device shown in Figure 1; the communication system may also include at least one terminal device, such as the terminal device shown in Figure 1. The network device and the terminal device may communicate via a wireless link. In the communication system, the network device and the terminal device may wirelessly communicate using air interface resources, which may include at least one of time domain resources, frequency domain resources, code resources, and space resources.

[0075] It should be understood that FIG1 is only a simplified schematic diagram for ease of understanding, and the communication system may further include other network devices or other terminal devices, which are not shown in FIG1 .

[0076] The terminal device in the embodiments of the present application may refer to a user device, an access terminal, a user unit, a user station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent, or a user apparatus. The terminal device may also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal device in a 5G network, or a terminal device in a future evolved Public Land Mobile Network (PLMN), etc., and the embodiments of the present application are not limited thereto.

[0077] Wearable devices, also known as wearable smart devices, are a general term for wearable devices that use wearable technology to intelligently design and develop wearable devices for daily wear, such as glasses, gloves, watches, clothing, and shoes. Wearable devices are portable devices that are worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not just hardware devices, but also achieve powerful functions through software support, data interaction, and cloud interaction. In a broad sense, wearable smart devices include those that are fully functional, large in size, and can achieve full or partial functions without relying on smartphones, such as smart watches or smart glasses, as well as those that only focus on a certain type of application function and need to be used in conjunction with other devices such as smartphones, such as various smart bracelets and smart jewelry for vital sign monitoring.

[0078] Furthermore, the terminal device can also be a terminal device in the Internet of Things (IoT) system. IoT is an important component of the future development of information technology. Its main technical feature is to connect objects to the network through communication technology, thereby realizing an intelligent network that interconnects people, machines, and things.

[0079] It should be understood that this application does not limit the specific form of the terminal device.

[0080] The network device in the embodiment of the present application can also be a device for communicating with a terminal device. The network device can be a base station (Base Transceiver Station, BTS) in a Global System of Mobile communication (GSM) system or a Code Division Multiple Access (CDMA), or a base station (NodeB, NB) in a Wideband Code Division Multiple Access (WCDMA) system, or an evolved base station (Evolved NodeB, eNB or eNodeB) in an LTE system, or a wireless controller in a Cloud Radio Access Network (CRAN) scenario, or the communication device can be a relay station, an access point, a vehicle-mounted device, a wearable device, a communication device in a 5G network, or a communication device in a future evolved PLMN network, etc., and the embodiments of the present application are not limited.

[0081] It should be understood that the network device in the wireless communication system can be any device with wireless transceiver functions. The device includes, but is not limited to, an evolved Node B (eNB), a radio network controller (RNC), a road side unit (RSU), a node B (NB), a base station controller (BSC), a base transceiver station (BTS), a home base station (e.g., home evolved node B, or home node B, HNB), a baseband unit (BBU), an access point (AP) in a wireless fidelity (WIFI) system, a wireless relay node, a wireless backhaul node, a transmission point (TP) or a transmission and reception point (TRP), etc. It may also be a gNB or a transmission point (TRP or TP) in a 5G (such as NR) system, or one or a group of antenna panels (including multiple antenna panels) of a base station in a 5G system, or a network node constituting a gNB or a transmission point, such as a baseband unit (BBU), or a distributed unit (DPU). unit, DU), etc. The network device can also be a network-side device in the Internet of Vehicles that provides communication services or communication control for terminal devices.

[0082] The network device provides communication services for the terminal devices in the cell. The terminal devices in the cell communicate with the network device through the transmission resources allocated by the network device (for example, frequency domain resources, time domain resources, etc.). The cell may belong to a macro base station (for example, a macro eNB or a macro gNB, etc.).

[0083] The NR system supports multiple SRS bandwidth configurations. For example, the base station indicates the UE's current total SRS bandwidth through the c-SRS field in the high-layer signaling freqHopping. When the value of the c-SRS field is 18, the total SRS bandwidth configured in the cell is 72 resource blocks (RBs).

[0084] When a UE in an NR system sends an SRS in a frequency hopping manner, it first determines the bandwidth configuration of the SRS based on the signaling notified by the base station (e.g., RRC signaling), i.e., the bandwidth size and subband granularity of the SRS (divided into several parts in the frequency domain) and the frequency domain position index of each subband. Then, each time the SRS is sent, the frequency domain position of the current SRS to be sent is calculated and updated based on the mapping rules to realize SRS frequency hopping transmission.

[0085] For example, when the base station notifies the high-level signaling C SRS and B SRS When they are 18 and 2 respectively, the total bandwidth of SRS is 72 RB, and the number of RBs allocated to each layer is m SRS，b =72, 24, 12 (b=0, 1, 2), the number of subbands corresponding to each layer is N b =1,3,2(b=0,1,2), frequency domain position index n b =(0, 2, 0) represents transmission at the position shown in Table 1.

[0086] Table 1

[0087] The specific location of each frequency hopping is determined by a predefined formula in the existing protocol. hop Satisfy b hop SRS When , it means that the SRS is sent in a frequency hopping manner. In each frequency hopping, the specific frequency domain position of the SRS is obtained by calculating the index value of each layer of the frequency domain position (the index corresponding to the first layer is always 0), as shown in Figure 2.

[0088] Under the assumption of a continuous large bandwidth in the frequency domain, when a new operating bandwidth is activated, the SRS must be used to acquire channel information for the newly activated bandwidth as quickly as possible. If the SRS hopping pattern over the continuous large bandwidth consisting of the newly activated operating bandwidth and the existing operating bandwidth is the same as before the new operating bandwidth was activated, it will take longer to acquire channel information for the activated bandwidth.

[0089] The present application provides a variety of communication methods for quickly acquiring channel information by changing the SRS frequency hopping pattern and / or the SRS bandwidth after activating a new working bandwidth.

[0090] It should be understood that the description of the specific scenarios in the embodiments of the present application is only an example. In addition to being applicable to the application scenarios described above, the methods provided in the embodiments of the present application are also applicable to application scenarios with similar problems.

[0091] In the description of the embodiments of the present application, unless otherwise specified, "a plurality of" or "a plurality of" means two or more. In addition, "at least one" can be replaced by "one or more". ​

[0092] The ordinal numbers "first" and "second" mentioned in the embodiments of this application are used to distinguish multiple objects and are not used to limit the size, content, order, timing, priority, or importance of the multiple objects. For example, the first indication information and the second indication information can be the same information or different information, and such names do not indicate differences in the content, size, application scenario, sender / receiver, priority, or importance of the two messages. In addition, the numbering of the steps in the various embodiments introduced in this application is only for distinguishing different steps and is not used to limit the order of the steps.

[0093] The technical solutions provided in the embodiments of this application can be applied to wireless communications between communication devices. Wireless communications between communication devices may include: wireless communications between network devices and terminals, wireless communications between network devices, and wireless communications between terminals. In the embodiments of this application, the term "wireless communications" may also be referred to as "communication," which may also be described as "data transmission," "information transmission," or "transmission."

[0094] It should be understood that the names of all nodes and messages in this application are merely names set for the convenience of description in this application. The names in the actual network may be different. This application should not be understood as limiting the names of various nodes and messages. On the contrary, any name with the same or similar function as the node or message used in this application is regarded as a method or equivalent replacement of this application, and is within the scope of protection of this application. No further details will be given below.

[0095] The communication method provided in the embodiments of the present application is described in detail below with reference to the accompanying drawings.

[0096] FIG3 shows a communication method 300 provided in the present application, through which channel information is quickly acquired after a new working bandwidth is activated. The method in FIG3 includes at least part of the following contents.

[0097] S310: The UE sends at least one first sounding reference signal (SRS) to a network device in a first operating frequency band (ie, an activated operating frequency band) using a first sounding reference signal (SRS) frequency hopping pattern and a first SRS bandwidth.

[0098] S320: The network device sends first indication information to the UE, where the first indication information is used to activate at least one new working frequency band.

[0099] S330: The UE determines a second SRS frequency hopping pattern and a second SRS bandwidth according to a second working frequency band, where the second working frequency band includes the first working frequency band and at least one newly activated new working frequency band.

[0100] S340: The UE sends at least one second SRS to the network device in a second working frequency band using a second SRS frequency hopping pattern and a second SRS bandwidth.

[0101] The following is a detailed introduction to S310 to S340.

[0102] In S310 , the UE sends at least one first SRS to a network device in a first operating frequency band using a first SRS frequency hopping pattern and / or a first SRS bandwidth.

[0103] The first SRS frequency hopping pattern is used to indicate first frequency domain resources, and the first frequency domain resources include the first working frequency band.

[0104] As shown in Figure 4, the UE sends at least one first SRS through a first SRS hopping pattern on the first working frequency band to traverse different subbands on the first working frequency band. Each of the at least one first SRS is used to obtain channel information of at least one subband in the first working frequency band. The total bandwidth of the at least one first SRS is equal to the first working frequency band. Optionally, the bandwidth of the first SRS can be the first SRS bandwidth.

[0105] The first SRS hopping pattern corresponds to the first hopping sequence. It should be understood that the UE sends at least one first SRS using the first SRS hopping pattern on the first working frequency band, including: sending at least one first SRS in the first working frequency band in the first hopping sequence.

[0106] In this case, the subbands for SRS transmission may be sequentially recorded as (0,0), (0,2), (0,1) and (0,3) according to the first frequency hopping order.

[0107] Through the above method, the channel information on the first working frequency band can be acquired.

[0108] Alternatively, as shown in Figure 5, assuming that the bandwidth of the first working frequency band is 272RB, the first SRS bandwidth of the UE on the first working frequency band is 68RB. At this time, the UE traverses different subbands on the first working frequency band through the first SRS bandwidth on the first working frequency band. In this case, four frequency hopping times are required to traverse the 272RB bandwidth of the first working frequency band. Optionally, the frequency hopping order can be the first frequency hopping order.

[0109] Through the above method, the channel information on the first working frequency band can also be obtained.

[0110] In S320, the network device sends first indication information to the UE, where the first indication information is used to activate at least one new working frequency band.

[0111] In S330, the UE determines a second SRS frequency hopping pattern and a second SRS bandwidth according to a second working frequency band, where the second working frequency band includes the first working frequency band and at least one newly activated new working frequency band.

[0112] It should be understood that after the network device instructs the UE to activate the new working frequency band, the UE may determine the second SRS frequency hopping pattern and the second SRS bandwidth for sending the second SRS on the second working frequency band.

[0113] The second SRS frequency hopping pattern is used to indicate a second frequency domain resource, and the second frequency domain resource includes a second working frequency band.

[0114] In one implementation, the second SRS frequency hopping pattern and / or the second SRS bandwidth is preconfigured. When there is a newly activated working frequency band, the UE obtains the second SRS frequency hopping pattern and / or the second SRS bandwidth through the preconfigured information.

[0115] In S340 , the UE sends at least one second SRS to the network device in the second working frequency band using a second SRS frequency hopping pattern and a second SRS bandwidth.

[0116] When a new working frequency band is activated, the channel information on the newly activated working frequency band can be quickly acquired by changing the frequency hopping pattern or bandwidth of the SRS.

[0117] As shown in Figure 4, the UE sends at least one second SRS through a second SRS hopping pattern on the second working frequency band to traverse different subbands on the first working frequency band. Each of the at least one second SRS is used to obtain channel information of at least one subband in the second working frequency band. The total bandwidth of the at least one second SRS is equal to the second working frequency band. Optionally, the bandwidth of the second SRS can be the second SRS bandwidth.

[0118] The second frequency domain resource corresponds to the second frequency hopping order, which is the order in which the at least one second SRS is sent in the second working frequency band. The subbands for SRS transmission can be recorded as (0,0), (1,0), (0,2), (1,2), (0,1), (1,1), (0,3) and (1,3) in sequence according to the second frequency hopping order. In this implementation, the first bit of the frequency domain position index for sending the first SRS before activating the new working frequency band is always 0, and after activating the new working frequency band, the first bit of the frequency domain position index for sending the second SRS can be 0 or other values ​​related to the new working frequency band (1 in this embodiment). In this way, the second SRS is frequency-hopped and sent on two working frequency bands (the first working frequency band and the newly activated working frequency band).

[0119] It should be understood that on the second working frequency band, the UE sends the second SRS in the second hopping order, but on each working frequency band in the second working frequency band, such as the first working frequency band in the second working frequency band, the hopping order for the UE to send the second SRS is still the first hopping order.

[0120] For example, on the first working frequency band in the second working frequency band, the subbands for SRS transmission may be sequentially recorded as (0,0), (0,2), (0,1) and (0,3).

[0121] Through the above method, the channel information on the second working frequency band can be acquired.

[0122] Alternatively, as shown in FIG5 , the UE traverses different subbands on the second working frequency band through the second SRS bandwidth on the second working frequency band, thereby acquiring channel information on the second working frequency band.

[0123] For example, assuming that the bandwidth of the activated and newly activated working bands is 272RB, the SRS bandwidth on the activated working band (i.e., the first working band) is 68RB, and four frequency hops are required to traverse the 272RB bandwidth of the activated working band; after activating the new working band, the frequency domain granularity of the SRS bandwidth is 136RB, and two frequency hops are required on the newly activated working band to traverse the newly activated 272RB bandwidth.

[0124] Through the above method, the channel information on the second working frequency band can also be obtained.

[0125] Figure 6 is a schematic block diagram of a communication device 400 provided in an embodiment of the present application. The device 400 includes a transceiver unit 410 and a processing unit 420. The transceiver unit 410 can communicate with the outside world, and the processing unit 420 is used to process data. The transceiver unit 410 can also be referred to as a communication interface or a communication unit.

[0126] In a possible implementation, the apparatus 400 may further include a storage unit, which may be used to store instructions and / or data, and the processing unit 420 may read the instructions and / or data in the storage unit.

[0127] The device 400 can be used to execute the actions performed by the base station in the above method embodiment. In this case, the device 400 can be a base station or a component that can be configured in a base station. The transceiver unit 410 is used to execute the transceiver-related operations on the base station side in the above method embodiment, and the processing unit 420 is used to execute the processing-related operations on the base station side in the above method embodiment.

[0128] Alternatively, the device 400 can be used to execute the actions performed by the terminal device in the above method embodiment. In this case, the device 400 can be a terminal device or a component that can be configured on the terminal device. The transceiver unit 410 is used to execute the transceiver-related operations on the terminal device side in the above method embodiment, and the processing unit 420 is used to execute the processing-related operations on the terminal device side in the above method embodiment.

[0129] As shown in Figure 7, an embodiment of the present application further provides a communication device 500. The communication device 500 includes a processor 510, which is coupled to a memory 520. The memory 520 is used to store computer programs or instructions and / or data. The processor 510 is used to execute the computer programs or instructions and / or data stored in the memory 520, so that the method in the above method embodiment is executed.

[0130] In a possible implementation, the communication device 500 includes one or more processors 510 .

[0131] In a possible implementation, as shown in FIG. 7 , the communication device 500 may further include a memory 7520 .

[0132] In a possible implementation, the communication device 500 may include one or more memories 520 .

[0133] In a possible implementation, the memory 520 may be integrated with the processor 510 or provided separately.

[0134] In one possible implementation, as shown in Figure 7, the wireless communication device 500 may further include a transceiver 7530, which is configured to receive and / or transmit signals. For example, the processor 510 is configured to control the transceiver 530 to receive and / or transmit signals.

[0135] As a solution, the communication device 500 is used to implement the operations performed by the base station in the above method embodiment.

[0136] For example, the processor 510 is used to implement the processing-related operations performed by the base station in the above method embodiment, and the transceiver 530 is used to implement the sending and receiving-related operations performed by the base station in the above method embodiment.

[0137] As another solution, the communication device 500 is used to implement the operations performed by the terminal device in the above method embodiment.

[0138] For example, the processor 510 is used to implement the processing-related operations performed by the terminal device in the above method embodiment, and the transceiver 530 is used to implement the sending and receiving-related operations performed by the terminal device in the above method embodiment.

[0139] The present application also provides a communication device 600, which can be a terminal device or a chip. The communication device 600 can be used to perform the operations performed by the terminal device in the above-described method embodiments. When the communication device 600 is a terminal device, FIG8 shows a simplified schematic diagram of the terminal device structure. For ease of understanding and illustration, FIG8 uses a mobile phone as an example of a terminal device. As shown in FIG8 , the terminal device includes a processor, memory, radio frequency circuitry, an antenna, and input / output devices. The processor is primarily used to process communication protocols and communication data, control the terminal device, execute software programs, and process software program data. The memory is primarily used to store software programs and data. The radio frequency circuitry is primarily used to convert baseband signals into radio frequency signals and process radio frequency signals. The antenna is primarily used to transmit and receive radio frequency signals in the form of electromagnetic waves. Input / output devices, such as a touch screen, display, and keyboard, are primarily used to receive user input and output data to the user. It should be noted that some types of terminal devices may not have input / output devices.

[0140] When data needs to be sent, the processor performs baseband processing on the data to be sent, and then outputs the baseband signal to the RF circuit. The RF circuit performs RF processing on the baseband signal and then sends the RF signal outward in the form of electromagnetic waves through the antenna. When data is sent to the terminal device, the RF circuit receives the RF signal through the antenna, converts the RF signal into a baseband signal, and outputs the baseband signal to the processor. The processor converts the baseband signal into data and processes the data. For ease of explanation, only one memory and processor are shown in Figure 8. In an actual terminal device product, there may be one or more processors and one or more memories. The memory may also be referred to as a storage medium or a storage device, etc. The memory may be set independently of the processor or integrated with the processor, and this is not limited in the embodiments of the present application.

[0141] In the embodiment of the present application, the antenna and radio frequency circuit with transceiver functions can be regarded as the transceiver unit of the terminal device, and the processor with processing function can be regarded as the processing unit of the terminal device.

[0142] As shown in Figure 8, the terminal device includes a transceiver unit 610 and a processing unit 620. The transceiver unit 610 may also be called a transceiver, a transceiver, a transceiver device, etc. The processing unit 620 may also be called a processor, a processing board, a processing module, a processing device, etc.

[0143] In one possible implementation, the device in the transceiver unit 610 that implements the receiving function can be considered a receiving unit, and the device in the transceiver unit 610 that implements the transmitting function can be considered a transmitting unit. That is, the transceiver unit 610 includes a receiving unit and a transmitting unit. The transceiver unit may also be sometimes referred to as a transceiver, a transceiver, or a transceiver circuit. The receiving unit may also be sometimes referred to as a receiver, a receiver, or a receiving circuit. The transmitting unit may also be sometimes referred to as a transmitter, a transmitter, or a transmitting circuit.

[0144] For example, in one implementation, the transceiver unit 610 is used to perform a receiving operation of the terminal device, and the processing unit 620 is used to perform a processing action on the terminal device side.

[0145] It should be understood that FIG8 is merely an example and not a limitation, and the terminal device including the transceiver unit and the processing unit may not rely on the structure shown in FIG8 .

[0146] When the communication device 600 is a chip, the chip includes a transceiver unit and a processing unit. The transceiver unit may be an input / output circuit or a communication interface; the processing unit may be a processor, microprocessor, or integrated circuit integrated on the chip. The input circuit may be an input pin, the output circuit may be an output pin, and the processing circuit may be a transistor, a gate circuit, a trigger, or various logic circuits. The input signal received by the input circuit may be, for example, but not limited to, received and input by a receiver, and the signal output by the output circuit may be, for example, but not limited to, output to and transmitted by a transmitter. The input circuit and the output circuit may be different circuits or the same circuit. In this case, the circuit functions as an input circuit and an output circuit at different times.

[0147] The present application also provides a communication device 700, which can be a base station or a chip. The communication device 700 can be used to perform the operations performed by the base station in the above method embodiment.

[0148] When the communication device 700 is a base station. Figure 9 shows a simplified schematic diagram of the base station structure. The base station includes parts 710 and 720. Part 710 is mainly used for transmitting and receiving radio frequency signals and converting radio frequency signals into baseband signals; part 720 is mainly used for baseband processing, controlling the base station, etc. Part 710 can generally be referred to as a transceiver unit, transceiver, transceiver circuit, or transceiver. Part 720 is generally the control center of the base station, and can generally be referred to as a processing unit, which is used to control the base station to perform the processing operations on the network device side in the above-mentioned method embodiment.

[0149] The transceiver unit in section 710, which may also be referred to as a transceiver or transceiver, includes an antenna and radio frequency circuitry, with the radio frequency circuitry primarily responsible for radio frequency processing. In one possible implementation, the device in section 710 that implements the receiving function can be considered a receiving unit, and the device that implements the transmitting function can be considered a transmitting unit. That is, section 710 includes both a receiving unit and a transmitting unit. The receiving unit can also be referred to as a receiver, receiver, or receiving circuit, and the transmitting unit can be referred to as a transmitter, transmitter, or transmitting circuit.

[0150] Section 720 may include one or more boards, each of which may include one or more processors and one or more memories. The processor is used to read and execute programs in the memory to implement baseband processing functions and control the base station. If multiple boards are present, the boards may be interconnected to enhance processing capabilities. As an optional implementation, multiple boards may share one or more processors, multiple boards may share one or more memories, or multiple boards may simultaneously share one or more processors.

[0151] For example, in one implementation, the transceiver unit of part 710 is used to execute the transceiver-related steps executed by the base station in the embodiment; and part 720 is used to execute the processing-related steps executed by the base station.

[0152] It should be understood that FIG9 is only an example and not a limitation, and the network device including the transceiver unit and the processing unit may not rely on the structure shown in FIG9 .

[0153] When the communication device 700 is a chip, the chip includes a transceiver unit and a processing unit. The transceiver unit may be an input / output circuit or a communication interface; the processing unit may be a processor, microprocessor, or integrated circuit integrated on the chip. The input circuit may be an input pin, the output circuit may be an output pin, and the processing circuit may be a transistor, a gate circuit, a trigger, or various logic circuits. The input signal received by the input circuit may be, for example, but not limited to, received and input by a receiver, and the signal output by the output circuit may be, for example, but not limited to, output to and transmitted by a transmitter. The input circuit and the output circuit may be different circuits or the same circuit. In this case, the circuit functions as an input circuit and an output circuit at different times.

[0154] An embodiment of the present application also provides a computer-readable storage medium on which computer instructions are stored for implementing the method executed by the terminal device or the method executed by the base station in the above method embodiment.

[0155] For example, when the computer program is executed by a computer, the computer can implement the method executed by the terminal device or the method executed by the base station in the above method embodiment.

[0156] An embodiment of the present application also provides a computer program product comprising instructions, which, when executed by a computer, enables the computer to implement the method executed by a terminal device or the method executed by a network device in the above method embodiment.

[0157] An embodiment of the present application also provides a communication system, which includes the base station and terminal equipment in the above embodiment.

[0158] The explanation and beneficial effects of the relevant contents in any of the wireless communication devices provided above may refer to the corresponding method embodiments provided above, and will not be repeated here.

[0159] In an embodiment of the present application, a terminal device or network device may include a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer. The hardware layer may include hardware such as a central processing unit (CPU), a memory management unit (MMU), and memory (also known as main memory). The operating system of the operating system layer may be any one or more computer operating systems that implement business processing through processes, such as a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or a Windows operating system. The application layer may include applications such as browsers, address books, word processing software, and instant messaging software.

[0160] The embodiments of the present application do not particularly limit the specific structure of the execution subject of the method provided in the embodiments of the present application; as long as it is possible to communicate according to the method provided in the embodiments of the present application by running a program that records the code of the method provided in the embodiments of the present application, it is sufficient. For example, the execution subject of the method provided in the embodiments of the present application may be a terminal device or a base station, or a functional module in the terminal device or base station that can call and execute the program.

[0161] Various aspects or features of the embodiments of the present application may be implemented as methods, apparatus, or articles of manufacture using standard programming and / or engineering techniques. As used herein, the term "article of manufacture" may encompass a computer program accessible from any computer-readable device, carrier, or medium. For example, a computer-readable medium may include, but is not limited to, magnetic storage devices (e.g., hard disks, floppy disks, or magnetic tapes), optical disks (e.g., compact discs (CDs), digital versatile discs (DVDs), etc.), smart cards, and flash memory devices (e.g., erasable programmable read-only memories (EPROMs), cards, sticks, or key drives, etc.).

[0162] The various storage media described herein may represent one or more devices and / or other machine-readable media for storing information. The term "machine-readable medium" may include, but is not limited to, wireless channels and various other media capable of storing, containing, and / or carrying instructions and / or data.

[0163] It should be understood that the processor mentioned in the embodiments of the present application may be a central processing unit (CPU), or may be other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field programmable gate arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor may be a microprocessor or any conventional processor, etc.

[0164] It should also be understood that the memory mentioned in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memories. Among them, the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. The volatile memory may be a random access memory (RAM). For example, RAM can be used as an external cache. By way of example and not limitation, RAM may include the following forms: static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct rambus RAM (DR RAM).

[0165] It should be noted that when the processor is a general-purpose processor, DSP, ASIC, FPGA or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, the memory (storage module) can be integrated into the processor.

[0166] It should also be noted that the memory described herein is intended to include, but is not limited to, these and any other suitable types of memory.

[0167] Those skilled in the art will appreciate that the units and algorithm steps of each example 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 performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the embodiments of this application.

[0168] Those skilled in the art will clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0169] In the several embodiments provided in the embodiments of the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are merely schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0170] The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.

[0171] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0172] If the functions are implemented in the form of 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 the embodiment of the present application, or the part that contributes to the prior art or the part of the technical solution, can be embodied in the form of a software product, which is stored in a storage medium and includes a number of instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0173] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the embodiments of the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A communication method, characterized in that: include: Sending at least one first SRS with a first sounding reference signal SRS frequency hopping pattern and a first SRS bandwidth on a first working frequency band, wherein the first working frequency band is an activated working frequency band; receiving first indication information, where the first indication information is used to activate at least one new working frequency band; Sending at least one second SRS in a second working frequency band with a second SRS frequency hopping pattern and a second SRS bandwidth, wherein the second working frequency band includes the first working frequency band and the at least one new working frequency band; The first SRS frequency hopping pattern is different from the second SRS frequency hopping pattern, and / or the first SRS bandwidth is different from the second SRS bandwidth.

2. The method according to claim 1, characterized in that The total bandwidth of the at least one first SRS is equal to the bandwidth of the first working frequency band.

3. The method according to claim 1 or 2, characterized in that: The total bandwidth of the at least one second SRS is equal to the bandwidth of the second working frequency band.

4. The method according to any one of claims 1 to 3, characterized in that The method further comprises: The second SRS frequency hopping pattern and the second SRS bandwidth are determined according to the second working frequency band.

5. The method according to claim 4, characterized in that The determining a second SRS frequency hopping pattern and / or a second SRS bandwidth according to the second working frequency band includes: The second SRS bandwidth is determined according to the bandwidth of the second working frequency band, and the second SRS bandwidth is not less than the first SRS bandwidth.

6. The method according to claim 5, characterized in that The determining the second SRS bandwidth according to the bandwidth of the second working frequency band includes: The second SRS bandwidth is determined according to a first ratio of a bandwidth of the second working frequency band to a bandwidth of the first working frequency band, and a second ratio of the second SRS bandwidth to the first SRS bandwidth is not less than the first ratio.

7. The method according to any one of claims 1 to 6, characterized in that The second SRS frequency hopping pattern is used to indicate a second frequency domain resource, the second frequency domain resource includes the second working frequency band, and the first SRS frequency hopping pattern is used to indicate a first frequency domain resource, the first frequency domain resource includes the first working frequency band.

8. The method according to claim 7, characterized in that The first frequency domain resources correspond to a first frequency hopping sequence, and the second frequency domain resources correspond to a second frequency hopping sequence, the first frequency hopping sequence is an order in which the at least one first SRS is sent in the first working frequency band, and the second frequency hopping sequence is an order in which the at least one second SRS is sent in the second working frequency band, The sending of at least one second SRS in a second working frequency band with a second SRS frequency hopping pattern and a second SRS bandwidth includes: The second SRS is sent in each working frequency band in the second working frequency band in the first frequency hopping sequence.

9. A communication method, characterized in that: include: Receiving at least one first SRS with a first sounding reference signal SRS frequency hopping pattern and a first SRS bandwidth on a first working frequency band, wherein the first working frequency band is an activated working frequency band; Sending first indication information, where the first indication information is used to activate at least one new working frequency band; receiving at least one second SRS in a second SRS frequency hopping pattern and a second SRS bandwidth on a second operating frequency band, wherein the second operating frequency band includes the first operating frequency band and the at least one new operating frequency band; The first SRS frequency hopping pattern is different from the second SRS frequency hopping pattern, and / or the first SRS bandwidth is different from the second SRS bandwidth.

10. The method according to claim 9, characterized in that The total bandwidth of the at least one first SRS is equal to the bandwidth of the first working frequency band.

11. The method according to claim 9 or 10, characterized in that: The total bandwidth of the at least one second SRS is equal to the bandwidth of the second working frequency band.

12. The method according to claim 11, characterized in that The second SRS bandwidth is determined according to the bandwidth of the second working frequency band, and the second SRS bandwidth is not less than the first SRS bandwidth.

13. The method according to claim 12, characterized in that The second SRS bandwidth is determined according to the bandwidth of the second working frequency band, including: The second SRS bandwidth is determined according to a first ratio of a bandwidth of the second working frequency band to a bandwidth of the first working frequency band, and a second ratio of the second SRS bandwidth to the first SRS bandwidth is not less than the first ratio.

14. The method according to any one of claims 9 to 13, characterized in that The second SRS frequency hopping pattern is used to indicate a second frequency domain resource, the second frequency domain resource includes the second working frequency band, and the first SRS frequency hopping pattern is used to indicate a first frequency domain resource, the first frequency domain resource includes the first working frequency band.

15. The method according to claim 14, characterized in that The first frequency domain resources correspond to a first frequency hopping sequence, and the second frequency domain resources correspond to a second frequency hopping sequence, wherein the first frequency hopping sequence is an order in which the at least one first SRS is received in the first working frequency band, and the second frequency hopping sequence is an order in which the at least one second SRS is received in the second working frequency band, The receiving at least one second SRS in the second working frequency band with a second SRS frequency hopping pattern and a second SRS bandwidth includes: The second SRS is received in each operating frequency band of the second operating frequency band in the first frequency hopping sequence.

16. A communication device, characterized in that: include: A unit for implementing the method of any one of claims 1 to 8; or a unit for implementing the method of any one of claims 9 to 15.

17. A computer program product, characterized in that The computer program product comprises: a computer program code, when the computer program code is executed, Execute the method according to any one of claims 1 to 8, or Execute the method of any one of claims 9 to 15.

18. A computer-readable storage medium, characterized in that: The computer readable storage medium stores a computer program. When the computer program is executed, Execute the method according to any one of claims 1 to 8, or Execute the method as claimed in any one of claims 9 to 15.

19. A chip system, characterized in that: comprising: a processor for calling and running a computer program from a memory, Execute the method according to any one of claims 1 to 8; or Execute the method as claimed in any one of claims 9 to 15.

20. A communication system, characterized in that: The method comprises a terminal device and a network device, wherein the terminal device is used to execute the method according to any one of claims 1 to 8, and the network device is used to execute the method according to any one of claims 9 to 15.

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