CN119561663A

CN119561663A - Communication method and communication device

Info

Publication number: CN119561663A
Application number: CN202311138659.9A
Authority: CN
Inventors: 龚名新; 甘霖霄; 张旭; 曲秉玉
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2025-03-04
Also published as: WO2025044975A1

Abstract

The present application provides a communication method and a communication device, the method comprising: 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, the first working frequency band being an activated working frequency band; receiving first indication information, the first indication information being used to activate at least one new working frequency band; sending at least one second SRS with a second SRS frequency hopping pattern and a second SRS bandwidth on a second working frequency band, the second working frequency band comprising the first working frequency band and the 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, and channel information of the new working frequency band is acquired by changing the SRS frequency hopping pattern and/or the SRS bandwidth after activating the new working frequency band.

Description

Communication method and communication device

Technical Field

The present application relates to the field of communications, and in particular, to a communication method and a communication apparatus.

Background

In a New Radio (NR) system, a User Equipment (UE) may send a Sounding reference signal (Sounding REFERENCE SIGNAL, SRS), and a network device acquires channel state information and performs beam management by measuring SRS sent by the UE. When a new working bandwidth is activated, channel information of the new activated bandwidth needs to be acquired through SRS as soon as possible. When the bandwidth of one SRS is smaller than the bandwidth of the channel to be detected, the UE transmits the SRS in a narrowband manner.

At this time, in order to measure the SRS of the total bandwidth of the system, the UE may transmit the SRS in a frequency hopping manner, so as to complete measurement of the total bandwidth of the system, and the base station configures information such as the size of the occupied bandwidth, whether to frequency hop, the starting frequency domain position during frequency hopping, and the subband granularity during frequency hopping for the SRS through high layer signaling.

If the SRS coincides with the SRS hopping pattern or SRS bandwidth over a continuously large bandwidth consisting of the new active operating bandwidth and the active operating bandwidth before the new operating bandwidth is not activated, more time will be required to acquire channel information of the active bandwidth.

Disclosure of Invention

The application provides a communication method and a communication device, which acquire channel information of a new working frequency band by changing SRS frequency hopping patterns and/or SRS bandwidths after activating the new working frequency band.

In a first aspect, a communication method is provided, which may be performed by a terminal device, or may also be performed by a chip or a circuit configured in the terminal device, which is not limited by the present application.

The method comprises the steps of sending at least one first SRS on a first working frequency band according to a first 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 for activating at least one new working frequency band, sending at least one second SRS on a second working frequency band according to a second SRS frequency hopping pattern and a second SRS bandwidth, the second working frequency band comprises the first working frequency band and the 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.

By the above scheme, after the new operating band is activated, the new SRS frequency hopping pattern and/or SRS bandwidth is used to acquire channel information of a continuous large bandwidth composed of the activated operating band and the newly activated operating band.

It should be understood that in the present application, the operating frequency band may also be referred to as a frequency band, and the present application is not limited in terms of its naming.

In one possible implementation, the total bandwidth of the at least one first SRS is equal to the bandwidth of the first operating band.

In one possible implementation, the total bandwidth of the at least one second SRS is equal to the bandwidth of the second operating band.

With reference to the first aspect, in certain implementations of the first aspect, the method further includes determining a second SRS hopping pattern and a second SRS bandwidth from the second operating frequency band.

In one possible implementation, determining the second SRS hopping pattern and/or the second SRS bandwidth from the second operating frequency band includes determining the second SRS bandwidth from the bandwidth of the second operating frequency band, the second SRS bandwidth not being less than the first SRS bandwidth.

In one possible implementation, determining the second SRS bandwidth from the bandwidth of the second operating frequency band includes determining the second SRS bandwidth from a first ratio of the bandwidth of the second operating frequency band to the bandwidth of the first operating frequency band, the second ratio of the second SRS bandwidth to the first SRS bandwidth being not less than the first ratio.

In one possible implementation, the second SRS hopping pattern is used to indicate a second frequency domain resource, the second frequency domain resource comprising a second operating frequency band, the first SRS hopping pattern is used to indicate a first frequency domain resource, the first frequency domain resource comprising a first operating frequency band.

In one possible implementation, the first frequency domain resource corresponds to a first hopping order, the second frequency domain resource corresponds to a second hopping order, the first hopping order being an order in which the at least one first SRS is transmitted in the first operating frequency band, the second hopping order being an order in which the at least one second SRS is transmitted in the second operating frequency band, the at least one second SRS being transmitted in a second SRS hopping pattern and a second SRS bandwidth over the second operating frequency band, including transmitting the second SRS in the first hopping order over each of the second operating frequency bands.

In a second aspect, a communication method is provided, which may be performed by a network device, or may also be performed by a chip or a circuit configured in the network device, which is not limited by the present application.

The method comprises the steps of receiving at least one first SRS on a first working frequency band according to a first 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, the first indication information is used for activating at least one new working frequency band, receiving at least one second SRS on a second working frequency band according to a second SRS frequency hopping pattern and a second SRS bandwidth, the second working frequency band comprises the first working frequency band and the 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.

In one possible implementation, the second SRS bandwidth is determined according to a bandwidth of the second operating band, the second SRS bandwidth being not less than the first SRS bandwidth.

In one possible implementation, the second SRS bandwidth is determined from the bandwidth of the second operating frequency band, including that the second SRS bandwidth is determined from a first ratio of the bandwidth of the second operating frequency band to the bandwidth of the first operating frequency band, and that the second ratio of the second SRS bandwidth to the first SRS bandwidth is not less than the first ratio.

In one possible implementation, the first frequency domain resource corresponds to a first hopping order, the second frequency domain resource corresponds to a second hopping order, the first hopping order being an order in which the at least one first SRS is received in the first operating frequency band, the second hopping order being an order in which the at least one second SRS is received in the second operating frequency band, the at least one second SRS being received in the second SRS hopping pattern and the second SRS bandwidth over the second operating frequency band, including receiving the second SRS in the first hopping order over each of the second operating frequency bands.

In a third aspect, a communication apparatus is provided, including a transmitting unit configured to transmit at least one first SRS in a first sounding reference signal SRS hopping pattern and a first SRS bandwidth on a first operating frequency band, where the first operating frequency band is an activated operating frequency band, a receiving unit configured to receive first indication information, where the first indication information is used to activate at least one new operating frequency band, and the transmitting unit is further configured to transmit at least one second SRS in a second SRS hopping pattern and a second SRS bandwidth on a second operating frequency band, where the second operating frequency band includes the first operating frequency band and the at least one new operating frequency band, where the first SRS hopping pattern and the second SRS hopping pattern are different, and/or where the first SRS bandwidth and the second SRS bandwidth are different.

With reference to the first aspect, in some implementations of the first aspect, the apparatus further includes a processing unit configured to determine a second SRS hopping pattern and a second SRS bandwidth according to a second operating band.

In a fourth aspect, a communication apparatus is provided, including a receiving unit configured to receive at least one first SRS in a first sounding reference signal SRS hopping pattern and a first SRS bandwidth on a first operating frequency band, where the first operating frequency band is an activated operating frequency band, a transmitting unit configured to transmit first indication information, where the first indication information is used to activate at least one new operating frequency band, and the receiving unit is further configured to receive at least one second SRS in a second SRS hopping pattern and a second SRS bandwidth on a second operating frequency band, where the second operating frequency band includes the first operating frequency band and the at least one new operating frequency band, where the first SRS hopping pattern and the second SRS hopping pattern are different, and/or where the first SRS bandwidth and the second SRS bandwidth are different.

In a fifth aspect, there is provided a wireless communication device comprising individual modules or units for performing the method of the first aspect or any one of the possible implementations of the first aspect.

In a sixth aspect, there is provided a wireless communication device comprising means or units for performing the method of the second aspect or any one of the possible implementations of the second aspect.

In a seventh aspect, a communication device is provided, comprising a processor coupled to a memory, operable to perform the method of the first aspect and possible implementations thereof or the second aspect and possible implementations thereof. In one possible implementation, the communication device further includes a memory. In one possible implementation, the communication device further includes a communication interface, and the processor is coupled to the communication interface. In one possible implementation, the communication device further includes a communication interface, and the processor is coupled to the communication interface.

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.

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 one possible implementation, the input/output interface may be an input/output circuit.

In another implementation, the communication device is a chip or a system-on-chip. When the communication device is a chip or a chip system, the communication interface may be an input/output interface, an interface circuit, an output circuit, an input circuit, a pin, or related circuitry on the chip or chip system, or the like. A processor may also be embodied as processing or logic circuitry.

In an eighth aspect, a communication device is provided that includes an input circuit, an output circuit, and a processing circuit. The processing circuitry is to receive signals through the input circuitry and to transmit signals through the output circuitry such that any one of the first and second aspects, and the methods in any one of the possible implementations of the aspects described above, are implemented.

In a specific implementation process, 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 flip-flop, various logic circuits, and the like. The input signal received by the input circuit may be received and input by, for example and without limitation, a receiver, the output signal may be output to and transmitted by, for example and without limitation, a transmitter, and the input circuit and the output circuit may be different circuits or the same circuit, in which case the circuits function as the input circuit and the output circuit, respectively, at different times. The embodiment of the application does not limit the specific implementation modes of the processor and various circuits.

In a ninth aspect, a processing apparatus is provided that includes a processor and a memory. The processor is configured to read instructions stored in the memory and is configured to receive signals via the receiver and to transmit signals via the transmitter to perform any one of the first and second aspects and the method in any one of the possible implementations of the above aspects.

In one possible implementation, the processor is one or more and the memory is one or more.

In one possible implementation, the memory may be integrated with the processor or the memory may be separate from the processor.

In a specific implementation process, the memory may be a non-transient (non-transitory) memory, for example, a Read Only Memory (ROM), which may be integrated on the same chip as the processor, or may be separately disposed on different chips.

It should be appreciated that the related data interaction process, for example, transmitting the indication information, may be a process of outputting the indication information from the processor, and the receiving the capability information may be a process of receiving the input capability information by the processor. Specifically, the data output by the processing may be output to the transmitter, and the input data received by the processor may be from the receiver. Wherein the transmitter and receiver may be collectively referred to as a transceiver.

The processor in the above aspect may be a chip, and the processor may be implemented by hardware or software, and when implemented by hardware, the processor may be a logic circuit, an integrated circuit, or the like, and when implemented by software, the processor may be a general-purpose processor, and implemented by reading software code stored in a memory, which may be integrated in the processor, may be located outside the processor, and exist independently.

In a tenth aspect, there is provided a computer program product comprising a computer program (which may also be referred to as code, or instructions) which, when executed, causes a computer to perform any of the first and second aspects, and the method in any of the possible implementations of the aspects.

In an eleventh aspect, there is provided a computer readable medium storing a computer program (which may also be referred to as code, or instructions) which, when run on a computer, causes the computer to perform any one of the above-described first and second aspects, and a method in any one of the possible implementations of the above-described aspects.

In a twelfth aspect, a chip system is provided, comprising a memory for storing a computer program and a processor for calling and running the computer program from the memory, such that a communication device in which the chip system is installed performs the method of any of the above-mentioned first and second aspects and possible implementations thereof.

The chip system may include an input circuit or interface for transmitting information or data, and an output circuit or interface for receiving information or data, among other things.

In a thirteenth aspect, a communication system is provided, comprising at least one of the aforementioned terminal device and network device.

Drawings

Fig. 1 is a schematic diagram of an example of a communication system to which the present application is applied.

Fig. 2 is a schematic diagram of a frequency hopping method of the present application.

Fig. 3 is a schematic flow chart of a communication method of an embodiment of the application.

Fig. 4 is a schematic diagram of a frequency hopping method according to an embodiment of the present application.

Fig. 5 is a schematic diagram of another frequency hopping method according to an embodiment of the present application.

Fig. 6 is a schematic block diagram of a communication device according to an embodiment of the present application.

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

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

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

Detailed Description

The technical scheme of the application will be described below with reference to the accompanying drawings.

The technical solution of the embodiment of the present application may be applied to various communication systems, such as a global system for mobile communications (Global System of Mobile communication, GSM) system, a code division multiple access (Code Division Multiple Access, CDMA) system, a wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system, a general packet Radio Service (GENERAL PACKET Radio Service, GPRS) system, a long term evolution (Long Term Evolution, LTE) system, an LTE frequency division duplex (Frequency Division Duplex, FDD) system, an LTE time division duplex (Time Division Duplex, TDD), a wireless fidelity (WIRELESS FIDELITY, WIFI), a device-to-device (D2D) communication system, a vehicle-to-everything, V2X) communication system, a universal mobile communication system (Universal Mobile Telecommunication System, UMTS), a worldwide interoperability for microwave access (Worldwide Interoperability for Microwave Access, wiMAX) communication system, a machine-to-machine communication (machine to machine, M2M) system, a machine type communication (MACHINE TYPE communication, MTC) system, an internet of things (internet of things, ioT) communication system, a non-terrestrial communication (non-TERRESTRIAL NETWORK, NTN) system, a fifth generation mobile communication system (5th Generation,5G, a sixth generation mobile communication system, a future wireless communication system or a wireless communication system (6th generation,6G).

A network architecture suitable for use with the present application will first be briefly described.

As shown in fig. 1, the communication system may comprise at least one network device, such as the network device shown in fig. 1, and may further comprise at least one terminal device, such as the terminal device shown in fig. 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 perform wireless communication using air interface resources, which may include at least one of time domain resources, frequency domain resources, code resources, and space resources.

It should be understood that fig. 1 is a simplified schematic diagram for ease of understanding only, and that other network devices or other terminal devices may be included in the communication system, which are not shown in fig. 1.

The terminal device in the embodiments of the present application may refer to a user device, an access terminal, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a user terminal, a wireless communication device, a user agent, or a user apparatus. The terminal device may also be a cellular phone, a cordless phone, a session initiation protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a Personal digital assistant (Personal DIGITAL ASSISTANT, PDA), a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, a car-mounted device, a wearable device, a terminal device in a 5G network or a terminal device in a future evolved public land mobile network (Public Land Mobile Network, PLMN), etc., as embodiments of the present application are not limited in this respect.

The wearable device can also be called as a wearable intelligent device, and is a generic name for intelligently designing daily wearing and developing wearable devices by applying a wearable technology, such as glasses, gloves, watches, clothes, shoes and the like. The wearable device is a portable device that is worn directly on the body or integrated into the clothing or accessories of the user. The wearable device is not only a hardware device, but also can realize a powerful function through software support, data interaction and cloud interaction. The generalized wearable intelligent device comprises full functions, large size and complete or partial functions which can be realized independently of a smart phone, such as a smart watch, a smart glasses and the like, and is only focused on certain application functions, and needs to be matched with other devices such as the smart phone for use, such as various smart bracelets, smart jewelry and the like for physical sign monitoring.

The terminal device may also be a terminal device in an internet of things (internet of things, ioT) system. IoT is an important component of future information technology development, and its main technical feature is to connect an item with a network through a communication technology, so as to implement man-machine interconnection and an intelligent network for object interconnection.

It should be understood that the present application is not limited to a specific form of terminal device.

The network device in the embodiment of the present application may also be a device for communicating with a terminal device, where the network device may be a base station (Base Transceiver Station, BTS) in a global system for mobile communications (Global System of Mobile communication, GSM) or code division multiple access (Code Division Multiple Access, CDMA), a base station (NodeB, NB) in a wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system, an Evolved NodeB (eNB or eNodeB) in an LTE system, a wireless controller in a cloud wireless access network (Cloud Radio Access Network, CRAN) scenario, or the communication device may 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 PLMN network of future evolution, and the embodiment of the present application is not limited.

It should be understood that the network device in the wireless communication system may be any device having a wireless transceiving function. The device includes, but is not limited to, an evolved Node B (eNB), a radio network controller (radio network controller, RNC), a Road Side Unit (RSU), a Node B (NB), a base station controller (base station controller, BSC), a base transceiver station (base transceiver station, BTS), a home base station (e.g., home evolved nodeB, or home Node B, HNB), a baseband unit (BBU), an Access Point (AP) in a wireless fidelity (WIRELESS FIDELITY, WIFI) system, a wireless relay Node, a wireless backhaul Node, a transmission point (transmission point, TP), or a transmission receiving point (transmission and reception point, TRP), etc., and may also be a gNB or transmission point (TRP or TP) in a 5G (e.g., NR) system, or one or a group of antenna panels (including multiple antenna panels) of a base station in a 5G system, or may also be a network Node constituting a gNB or transmission point, such as a Base Band Unit (BBU), or a distributed unit (band), a network control unit (DU), a communication device may also be provided for a communication device in a network, such as a vehicle, a network control unit, a communication device, or a network device.

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

The NR system supports various SRS bandwidth configurations, for example, the base station indicates the current SRS total bandwidth of the UE through a c-SRS domain in the higher layer signaling freqHopping, and when the value of the c-SRS domain is 18, namely the SRS total bandwidth of the cell configuration is 72 Resource Blocks (RBs).

When the UE in the NR system transmits the SRS in a frequency hopping manner, firstly, the bandwidth configuration of the SRS, that is, the bandwidth size and subband granularity (divided into several parts in the frequency domain) of the SRS and the frequency domain position index of each subband are determined based on signaling (e.g., RRC signaling) notified by the base station, and then, when the SRS is transmitted each time, the frequency domain position of the SRS to be transmitted is calculated and updated based on the mapping rule to implement SRS frequency hopping transmission.

For example, when higher layer signaling C _SRS and B _SRS notified by the base station are 18 and 2, respectively, the total bandwidth of SRS is 72RB, the number of RBs allocated for each layer is m _SRS,b = 72,24,12 (b=0, 1, 2), the number of corresponding subbands for each layer is N _b =1, 3,2 (b=0, 1, 2), and the frequency domain position index N _b = (0,2,0) represents transmission at the position shown in table 1.

TABLE 1

The specific position at each frequency hopping is determined by a predefined formula in the existing protocol, and the SRS is transmitted in a frequency hopping manner on behalf of the base station when the higher layer parameter b _hop notified by the base station satisfies b _hop<B_SRS. At each frequency hopping, a specific frequency domain position (index constant corresponding to the first layer is 0) of the transmitted SRS is obtained by calculating an index value of each layer of frequency domain position, as shown in fig. 2.

Under the assumption of a continuous large bandwidth in the frequency domain, when a new working bandwidth is activated, channel information of the new activated bandwidth needs to be acquired through the SRS as soon as possible. If the SRS coincides with the SRS hopping pattern over a continuous large bandwidth consisting of the new active operating bandwidth and the active operating bandwidth before the new operating bandwidth is not activated, more time will be required to acquire the channel information of the active bandwidth.

The application provides various communication methods, and channel information is quickly obtained by changing SRS frequency hopping patterns and/or SRS bandwidths after a new working bandwidth is activated.

It should be understood that the description of specific scenes in the embodiment of the present application is only an example, and the method provided in the embodiment of the present application may be applied to application scenes having similar problems, except for the application scenes described above.

In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" or "a plurality" is two or more. In addition, "at least one" may be replaced with "one or more".

The ordinal terms such as "first," "second," and the like in the embodiments of the present application are used for distinguishing a plurality of objects, and are not used for limiting the size, content, sequence, timing, priority, importance, and the like of the plurality of objects. For example, the first instruction information and the second instruction information may be the same information or different information, and the names do not indicate the difference in content, size, application scenario, transmitting side/receiving side, priority, importance, or the like of the two messages. In addition, the numbers of the steps in the embodiments described in the present application are only for distinguishing different steps, and are not used for limiting the sequence of the steps.

The technical scheme provided by the embodiment of the application can be applied to wireless communication among communication equipment. The wireless communication between the communication devices may include wireless communication between the network device and the terminal, wireless communication between the network device and the network device, and wireless communication between the terminal and the terminal. In the embodiments of the present application, the term "wireless communication" may also be simply referred to as "communication", and the term "communication" may also be described as "data transmission", "information transmission" or "transmission".

It should be understood that the names of all nodes and messages in the present application are merely names set for convenience of description of the present application, and names in actual networks may be different, and it should not be understood that the present application is limited to the names of various nodes and messages, but any names having the same or similar functions as those of the nodes or messages used in the present application are regarded as a method or an equivalent replacement of the present application, and are not repeated herein below within the scope of protection of the present application.

The following describes in detail a communication method provided by an embodiment of the present application with reference to the accompanying drawings.

Fig. 3 illustrates a communication method 300 provided by the present application by which channel information is quickly acquired after a new operating bandwidth is activated, the method of fig. 3 including at least some of the following.

S310, the UE transmits at least one first SRS to the network device in a first sounding reference signal, SRS, hopping pattern and a first SRS bandwidth over a first operating band (i.e., an activated operating band).

S320, the network device sends first indication information to the UE, where the first indication information is used to activate at least one new operating band.

S330, the UE determines a second SRS frequency hopping pattern and a second SRS bandwidth according to a second operating frequency band, wherein the second operating frequency band comprises the first operating frequency band and at least one new operating frequency band which is newly activated.

And S340, the UE transmits at least one second SRS to the network device in a second SRS frequency hopping pattern and a second SRS bandwidth on a second working frequency band.

S310 to S340 are described in detail below.

In S310, the UE transmits at least one first SRS to the network device in a first SRS hopping pattern and/or a first SRS bandwidth over a first operating frequency band.

The first SRS hopping pattern is used to indicate a first frequency domain resource, and the first frequency domain resource includes the first operating frequency band.

As shown in fig. 4, the UE transmits at least one first SRS on the first operating frequency band through the first SRS frequency hopping pattern so as to traverse different sub-bands on the first operating frequency band, where each first SRS of the at least one first SRS is used to obtain channel information of at least one sub-band in the first operating frequency band, and a total bandwidth of the at least one first SRS is equal to the first operating frequency band, and optionally, a bandwidth of the first SRS may be a first SRS bandwidth.

The first SRS hopping pattern corresponds to a first hopping sequence, and it is understood that the UE transmits at least one first SRS over the first operating frequency band via the first SRS hopping pattern includes transmitting at least one first SRS over the first operating frequency band in the first hopping sequence.

In this case, the subbands of SRS transmission may be sequentially denoted as (0, 0), (0, 2), (0, 1), and (0, 3) in the first hopping order.

By the method, the channel information on the first working frequency band can be acquired.

Or as shown in fig. 5, assuming that the bandwidth of the first operating band is 272RB, the first SRS bandwidth of the UE on the first operating band is 68RB, where the UE traverses different sub-bands on the first operating band through the first SRS bandwidth on the first operating band, in this case, four frequency hops are required to traverse the 272RB bandwidth of the first operating band, and alternatively, the frequency hopping order may be the first frequency hopping order.

In S320, the network device transmits first indication information to the UE, the first indication information being used to activate at least one new operating band.

In S330, the UE determines a second SRS hopping pattern and a second SRS bandwidth according to a second operating band including the first operating band and at least one new operating band newly activated.

It should be appreciated that after the network device indicates to the UE to activate the new operating frequency band, the UE may determine a second SRS hopping pattern and a second SRS bandwidth to transmit a second SRS on the second operating frequency band.

The second SRS hopping pattern is used to indicate a second frequency domain resource, and the second frequency domain resource includes a second operating frequency band.

In one implementation, the second SRS hopping pattern and/or the second SRS bandwidth are preconfigured, and when there is a newly activated operating band, the UE acquires the second SRS hopping pattern and/or the second SRS bandwidth through the preconfigured information.

In S340, the UE transmits at least one second SRS to the network device in a second SRS hopping pattern and a second SRS bandwidth over a second operating frequency band.

After the operation band is newly activated, channel information on the newly activated operation band can be rapidly acquired by changing the frequency hopping pattern or bandwidth of the SRS.

As shown in fig. 4, the UE transmits at least one second SRS on the second operating frequency band through the second SRS frequency hopping pattern so as to traverse different sub-bands on the first operating frequency band, where each second SRS of the at least one second SRS is used to obtain channel information of at least one sub-band in the second operating frequency band, and a total bandwidth of the at least one second SRS is equal to the second operating frequency band, and optionally, a bandwidth of the second SRS may be a second SRS bandwidth.

The second frequency domain resource corresponds to a second hopping sequence, which is an order in which the at least one second SRS is transmitted in the second operating frequency band, and the subbands in which the SRS is transmitted may be sequentially denoted as (0, 0), (1, 0), (0, 2), (1, 2), (0, 1), (1, 1), (0, 3), and (1, 3) according to the second hopping sequence. In this implementation, the first bit of the frequency domain position index of the first SRS is constantly 0 before the new operating band is activated, and after the new operating band is activated, the first bit of the frequency domain position index of the second SRS is transmitted may be 0 or other value related to the new operating band (1 in this embodiment), in this way, frequency hopping transmission of the second SRS on the two operating bands (the first operating band and the newly activated operating band) is achieved.

It is to be appreciated that the UE transmits the second SRS in the second hopping order on the second operating frequency band, but that the hopping order in which the UE transmits the second SRS remains the first hopping order on each of the second operating frequency bands, e.g., on the first operating frequency band in the second operating frequency band.

For example, on a first operating band of the second operating bands, the subbands of SRS transmission may be sequentially denoted as (0, 0), (0, 2), (0, 1), and (0, 3).

By the method, the channel information on the second working frequency band can be acquired.

Or as shown in fig. 5, the UE traverses different sub-bands on the second operating frequency band through the second SRS bandwidth on the second operating frequency band, so as to obtain channel information on the second operating frequency band.

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

By the method, the channel information on the second working frequency band can also be acquired.

Fig. 6 is a schematic block diagram of a communication apparatus 400 provided by an embodiment of the present application. The apparatus 400 comprises a transceiver unit 410 and a processing unit 420. The transceiver unit 410 may communicate with the outside, and the processing unit 420 is used for data processing. The transceiver unit 410 may also be referred to as a communication interface or a communication unit.

In one possible implementation, the apparatus 400 may further include a storage unit, where the storage unit 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.

The apparatus 400 may be configured to perform the actions performed by the base station in the above method embodiment, where the apparatus 400 may be the base station or a component that may be configured in the base station, the transceiver unit 410 is configured to perform the operations related to the transceiver on the base station side in the above method embodiment, and the processing unit 420 is configured to perform the operations related to the processing on the base station side in the above method embodiment.

Or the apparatus 400 may be configured to perform the actions performed by the terminal device in the above method embodiment, where the apparatus 400 may be the terminal device or a component configurable in the terminal device, the transceiver unit 410 is configured to perform the operations related to the transceiver on the terminal device side in the above method embodiment, and the processing unit 420 is configured to perform the operations related to the processing on the terminal device side in the above method embodiment.

As shown in fig. 7, the embodiment of the application further provides a communication device 500. The communication device 500 comprises a processor 510, the processor 510 being coupled to a memory 520, the memory 520 being for storing computer programs or instructions or and/or data, the processor 510 being for executing the computer programs or instructions and/or data stored by the memory 520, such that the method in the above method embodiments is performed.

In one possible implementation, the communication device 500 includes one or more processors 510.

In one possible implementation, as shown in fig. 7, the communications device 500 may also include a memory 7520.

In one possible implementation, the communications apparatus 500 can include one or more memories 520.

In one possible implementation, the memory 520 may be integrated with the processor 510 or provided separately.

In one possible implementation, as shown in fig. 7, the wireless communication device 500 may further include a transceiver 7530, with the transceiver 530 being used for the reception and/or transmission of signals. For example, the processor 510 is configured to control the transceiver 530 to receive and/or transmit signals.

As an aspect, the communication apparatus 500 is configured to implement the operations performed by the base station in the above method embodiment.

For example, the processor 510 is configured to implement the operations related to the processing performed by the base station in the above method embodiment, and the transceiver 530 is configured to implement the operations related to the transceiving performed by the base station in the above method embodiment.

Alternatively, the communication apparatus 500 is configured to implement the operations performed by the terminal device in the above method embodiment.

For example, the processor 510 is configured to implement operations related to processing performed by the terminal device in the above method embodiment, and the transceiver 530 is configured to implement operations related to transceiving performed by the terminal device in the above method embodiment.

The embodiment of the application also provides a communication device 600, and the communication device 600 can be a terminal device or a chip. The communication apparatus 600 may be used to perform the operations performed by the terminal device in the above-described method embodiments. When the communication apparatus 600 is a terminal device, fig. 8 shows a simplified schematic structure of the terminal device. The terminal device is illustrated as a mobile phone in fig. 8, which is convenient for understanding and illustration. As shown in fig. 8, the terminal device includes a processor, a memory, a radio frequency circuit, an antenna, and an input-output device. The processor is mainly used for processing communication protocols and communication data, controlling the terminal equipment, executing software programs, processing data of the software programs and the like. The memory is mainly used for storing software programs and data. The radio frequency circuit is mainly used for converting a baseband signal and a radio frequency signal and processing the radio frequency signal. The antenna is mainly used for receiving and transmitting radio frequency signals in the form of electromagnetic waves. Input and output devices, such as touch screens, display screens, keyboards, etc., are mainly used for receiving data input by a user and outputting data to the user. It should be noted that some kinds of terminal apparatuses may not have an input/output device.

When data need to be sent, the processor carries out baseband processing on the data to be sent and then outputs a baseband signal to the radio frequency circuit, and the radio frequency circuit carries out radio frequency processing on the baseband signal and then sends the radio frequency signal outwards in the form of electromagnetic waves through the antenna. When data is sent to the terminal equipment, the radio frequency circuit receives a radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor, and the processor converts the baseband signal into data and processes the data. For ease of illustration, only one memory and processor are shown in fig. 8, and in an actual end device product, one or more processors and one or more memories may be present. The memory may also be referred to as a storage medium or storage device, etc. The memory may be provided separately from the processor or may be integrated with the processor, as the embodiments of the application are not limited in this respect.

In the embodiment of the application, the antenna and the radio frequency circuit with the receiving and transmitting functions can be regarded as a receiving and transmitting unit of the terminal equipment, and the processor with the processing function can be regarded as a processing unit of the terminal equipment.

As shown in fig. 8, the terminal device includes a transceiving unit 610 and a processing unit 620. The transceiver unit 610 may also be referred to as a transceiver, transceiver device, etc. The processing unit 620 may also be referred to as a processor, a processing board, a processing module, a processing device, etc.

In one possible implementation, the device for implementing the receiving function in the transceiver unit 610 may be regarded as a receiving unit, and the device for implementing the transmitting function in the transceiver unit 610 may be regarded as a transmitting unit, i.e. the transceiver unit 610 includes a receiving unit and a transmitting unit. The transceiver unit may also be referred to as a transceiver, transceiver circuitry, or the like. The receiving unit may also be referred to as a receiver, or receiving circuit, among others. The transmitting unit may also sometimes be referred to as a transmitter, or a transmitting circuit, etc.

For example, in one implementation, the transceiver unit 610 is configured to perform a receiving operation of the terminal device. The processing unit 620 is configured to perform a processing action on the terminal device side.

It should be understood that fig. 8 is only an example and not a limitation, and the above-described terminal device including the transceiving unit and the processing unit may not depend on the structure shown in fig. 8.

When the communication device 600 is a chip, the chip includes a transceiver unit and a processing unit. The receiving and transmitting unit can be an input/output circuit or a communication interface, and the processing unit can be an integrated processor or a microprocessor or an integrated circuit 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 flip-flop, various logic circuits, and the like. The input signal received by the input circuit may be received and input by, for example and without limitation, a receiver, the output signal may be output to and transmitted by, for example and without limitation, a transmitter, and the input circuit and the output circuit may be different circuits or the same circuit, in which case the circuits function as the input circuit and the output circuit, respectively, at different times.

The embodiment of the application also provides a communication device 700, and the communication device 700 can be a base station or a chip. The communication device 700 may be used to perform the operations performed by the base station in the method embodiments described above.

When the communication device 700 is a base station. Fig. 9 shows a simplified schematic of a base station architecture. The base station includes a portion 710 and a portion 720. The part 710 is mainly used for receiving and transmitting radio frequency signals and converting radio frequency signals and baseband signals, and the part 720 is mainly used for baseband processing, controlling a base station and the like. Portion 710 may be generally referred to as a transceiver unit, transceiver circuitry, or transceiver, etc. Portion 720 is typically a control center of the base station, and may be generally referred to as a processing unit, for controlling the base station to perform the processing operations on the network device side in the above method embodiment.

The transceiver unit of section 710, which may also be referred to as a transceiver or transceiver, includes an antenna and radio frequency circuitry, wherein the radio frequency circuitry is primarily for performing radio frequency processing. In one possible implementation, the device for implementing the receiving function in part 710 may be regarded as a receiving unit, and the device for implementing the transmitting function may be regarded as a transmitting unit, i.e. part 710 includes a receiving unit and a transmitting unit. The receiving unit may also be referred to as a receiver, or a receiving circuit, etc., and the transmitting unit may be referred to as a transmitter, or a transmitting circuit, etc.

Portion 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 for reading and executing the program in the memory to realize the baseband processing function and control of the base station. If there are multiple boards, the boards can be interconnected to enhance processing power. As an alternative implementation manner, the multiple boards may share one or more processors, or the multiple boards may share one or more memories, or the multiple boards may share one or more processors at the same time.

For example, in one implementation, the transceiver unit of part 710 is configured to perform the steps related to the transceiver performed by the base station in the embodiment, and part 720 is configured to perform the steps related to the processing performed by the base station.

It should be understood that fig. 9 is only an example and not a limitation, and the above-described network device including the transceiving unit and the processing unit may not depend on the structure shown in fig. 9.

When the communication device 700 is a chip, the chip includes a transceiver unit and a processing unit. The receiving and transmitting unit can be an input/output circuit or a communication interface, and the processing unit is a processor or a microprocessor or an 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 flip-flop, various logic circuits, and the like. The input signal received by the input circuit may be received and input by, for example and without limitation, a receiver, the output signal may be output to and transmitted by, for example and without limitation, a transmitter, and the input circuit and the output circuit may be different circuits or the same circuit, in which case the circuits function as the input circuit and the output circuit, respectively, at different times.

The embodiment of the present application also provides a computer readable storage medium, on which computer instructions for implementing the method performed by the terminal device or the method performed by the base station in the above method embodiment are stored.

For example, the computer program when executed by a computer makes the computer implement the method performed by the terminal device or the method performed by the base station in the above-described method embodiment.

The embodiment of the application also provides a computer program product containing instructions, which when executed by a computer, cause the computer to implement the method executed by the terminal device or the method executed by the network device in the above method embodiment.

The embodiment of the application also provides a communication system which comprises the base station and the terminal equipment in the embodiment.

Any of the explanation and beneficial effects of the related content in the wireless communication device provided above may refer to the corresponding method embodiments provided above, and are not repeated herein.

In an embodiment of the present application, the terminal device or the network device may include a hardware layer, an operating system layer running above the hardware layer, and an application layer running above the operating system layer. The hardware layer may include a central processing unit (central processing unit, CPU), a memory management unit (memory management unit, MMU), and a memory (also referred to as a 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 (processes), for example, a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or windows operating system, etc. The application layer may include applications such as a browser, address book, word processor, instant messaging software, and the like.

The embodiment of the present application is not particularly limited to the specific structure of the execution body of the method provided by the embodiment of the present application, as long as communication can be performed by the method provided according to the embodiment of the present application by running a program in which codes of the method provided by the embodiment of the present application are recorded. For example, the execution body of the method provided by the embodiment of the application may be a terminal device or a base station, or a functional module in the terminal device or the base station that can call a program and execute the program.

Various aspects or features of embodiments of the application may be implemented as a method, apparatus, or article of manufacture using standard programming and/or engineering techniques. The term "article of manufacture" as used herein may encompass a computer program accessible from any computer-readable device, carrier, or media. For example, computer-readable media can include, but are not limited to, magnetic storage devices (e.g., hard disk, floppy disk, or magnetic strips, etc.), optical disks (e.g., compact Disk (CD), digital versatile disk (DIGITAL VERSATILEDISC, DVD), etc.), smart cards, and flash memory devices (e.g., erasable programmable read-only memory (EPROM), cards, sticks, or key drives, etc.).

Various storage media described herein can represent one or more devices and/or other machine-readable media for storing information. The term "machine-readable medium" can include, without being limited to, wireless channels and various other media capable of storing, containing, and/or carrying instruction(s) and/or data.

It should be appreciated that the processor referred to in the embodiments of the present application may be a central processing unit (central processing unit, CPU), but may also be other general purpose processors, digital signal processors (DIGITAL SIGNAL processors, DSPs), application Specific Integrated Circuits (ASICs), off-the-shelf programmable gate arrays (field programmable GATE ARRAY, FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

It should also be understood that the memory referred to in embodiments of the present application may be volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The nonvolatile memory may be a read-only memory (ROM), a Programmable ROM (PROM), an erasable programmable ROM (erasable PROM), an electrically erasable programmable EPROM (EEPROM), or a flash memory. The volatile memory may be random access memory (random access memory, RAM). For example, RAM may be used as an external cache. By way of example, and not limitation, RAM may include various forms of static random access memory (STATIC RAM, SRAM), dynamic random access memory (DYNAMIC RAM, DRAM), synchronous Dynamic Random Access Memory (SDRAM), double data rate synchronous dynamic random access memory (doubledata RATE SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (ENHANCED SDRAM, ESDRAM), synchronous link dynamic random access memory (SYNCHLINK DRAM, SLDRAM), and direct memory bus random access memory (direct rambus RAM, DR RAM).

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 components, the memory (storage module) may be integrated into the processor.

It should also be noted that the memory described herein is intended to comprise, without being limited to, these and any other suitable types of memory.

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

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

In the embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.

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

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

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

The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A method of communication, comprising:

transmitting at least one first SRS on a first working frequency band by using a first 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 for activating at least one new working frequency band;

transmitting at least one second SRS in a second SRS hopping pattern and a second SRS bandwidth over a second operating band including the first operating band and the at least one new operating 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.

2. The method of claim 1, wherein a total bandwidth of the at least one first SRS is equal to a bandwidth of the first operating 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 operating band.

4. A method according to any one of claims 1 to 3, further comprising:

and determining the second SRS frequency hopping pattern and the second SRS bandwidth according to the second working frequency band.

5. The method of claim 4, wherein the determining a second SRS hopping pattern and/or a second SRS bandwidth from the second operating band comprises:

And determining the second SRS bandwidth according to the bandwidth of the second working frequency band, wherein the second SRS bandwidth is not smaller than the first SRS bandwidth.

6. The method of claim 5, wherein the determining the second SRS bandwidth from the bandwidth of the second operating band comprises:

And 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, wherein a second ratio of the second SRS bandwidth to the first SRS bandwidth is not smaller than the first ratio.

7. The method of any of claims 1-6, wherein the second SRS hopping pattern is used to indicate a second frequency domain resource, the second frequency domain resource comprising the second operating frequency band, and wherein the first SRS hopping pattern is used to indicate a first frequency domain resource, the first frequency domain resource comprising the first operating frequency band.

8. The method of claim 7, wherein the first frequency domain resource corresponds to a first frequency hopping sequence, wherein the second frequency domain resource corresponds to a second frequency hopping sequence, wherein the first frequency hopping sequence is the sequence in which the at least one first SRS is transmitted in the first operating frequency band, wherein the second frequency hopping sequence is the sequence in which the at least one second SRS is transmitted in the second operating frequency band,

The transmitting at least one second SRS in a second SRS hopping pattern and a second SRS bandwidth over a second operating frequency band includes:

And transmitting the second SRS in the first frequency hopping sequence on each of the second operating frequency bands.

9. A method of communication, comprising:

Receiving at least one first SRS on a first working frequency band according to a first SRS frequency hopping pattern and a first SRS bandwidth, wherein the first working frequency band is an activated working frequency band;

transmitting first indication information, wherein the first indication information is used for activating at least one new working frequency band;

Receiving at least one second SRS in a second SRS hopping pattern and a second SRS bandwidth over a second operating frequency band including the first operating frequency band and the at least one new operating frequency band;

10. The method of claim 9, wherein a total bandwidth of the at least one first SRS is equal to a bandwidth of the first operating 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 operating band.

12. The method of claim 11, wherein the second SRS bandwidth is determined based on a bandwidth of the second operating band, the second SRS bandwidth being not less than the first SRS bandwidth.

13. The method of claim 12, wherein the second SRS bandwidth is determined based on a bandwidth of the second operating band, comprising:

The second SRS bandwidth is determined according to a first ratio of the bandwidth of the second operating band to the bandwidth of the first operating band, and a second ratio of the second SRS bandwidth to the first SRS bandwidth is not smaller than the first ratio.

14. The method according to any of claims 9 to 13, wherein the second SRS hopping pattern is used to indicate a second frequency domain resource, the second frequency domain resource comprising the second operating frequency band, and the first SRS hopping pattern is used to indicate a first frequency domain resource, the first frequency domain resource comprising the first operating frequency band.

15. The method of claim 14, wherein the first frequency domain resources correspond to a first frequency hopping sequence, wherein the second frequency domain resources correspond to a second frequency hopping sequence, wherein the first frequency hopping sequence is the sequence in which the at least one first SRS is received in the first operating frequency band, wherein the second frequency hopping sequence is the sequence in which the at least one second SRS is received in the second operating frequency band,

The receiving at least one second SRS in a second SRS hopping pattern and a second SRS bandwidth over a second operating frequency band includes:

the second SRS is received in the first hopping order on each of the second operating frequency bands.

16. A communication device, comprising:

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 computer program code which, when run,

Performing the method of any one of claims 1 to 8, or

Performing 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 which, when executed,

Performing the method of any one of claims 1to 8, or

Performing the method of any one of claims 9 to 15.

19. A chip system is characterized by comprising a processor, a memory, a control unit and a control unit, wherein the processor is used for calling and running a computer program from the memory,

Performing the method according to any one of claims 1to 8, or

Performing the method of any one of claims 9 to 15.

20. A communication system comprising a terminal device for performing the method of any of claims 1 to 8 and a network device for performing the method of any of claims 9 to 15.