WO2024032496A1

WO2024032496A1 - Communication method and apparatus, resource configuration method and apparatus, and reader, tag and network-side device

Info

Publication number: WO2024032496A1
Application number: PCT/CN2023/111217
Authority: WO
Inventors: 王勇; 李东儒; 吴凯; 蔡建生
Original assignee: 维沃移动通信有限公司
Priority date: 2022-08-08
Filing date: 2023-08-04
Publication date: 2024-02-15
Also published as: CN117596671A

Abstract

The present application belongs to the technical field of communications. Disclosed are a communication method and apparatus, a resource configuration method and apparatus, and a reader, a tag and a network-side device. The communication method disclosed in the embodiments of the present application comprises: a reader determining at least one target frequency domain resource, wherein time domain resources corresponding to the at least one target frequency domain resource are continuous; and the reader transmitting a first signal on the at least one target frequency domain resource. The communication method can ensure that a first signal can be continuously transmitted, such that the transmission success rate of the first signal and the resource utilization rate can be improved.

Description

Communication, resource allocation method, device, reader, tag and network side device

cross reference

This application requires the priority of a Chinese patent application submitted to the China Patent Office on August 8, 2022, with the application number 202210946296.0 and the invention name "communication, resource allocation method, device, reader, label and network side equipment". The entire contents of the application are incorporated by reference into this application.

Technical field

This application belongs to the field of communication technology, and specifically relates to a communication and resource allocation method, device, reader, tag and network side equipment.

Background technique

In the communication scenario of Passive IoT Networks (PIoT), if the Time Division Duplex (TDD) frame structure is considered, it is difficult to ensure long-term downlink transmission, and the reader (reader) The transmission time of the signal sent to the tag (Tag) may exceed the duration of the continuous downlink time slot in the TDD frame structure; or the reader needs to receive the tag reply (Tag reply) at a certain moment, which may cause reading The transmission of signals sent by the device is interrupted, reducing the success rate of transmission of these signals.

Therefore, how to enable the signal sent by the reader to be continuously transmitted without interruption is an urgent technical problem to be solved.

Contents of the invention

Embodiments of the present application provide a communication and resource configuration method, device, reader, tag, and network-side device to solve the problem that signals transmitted by the reader are easily interrupted and cannot be continuously transmitted.

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

The reader determines at least one target frequency domain resource, wherein the time domain resource corresponding to the at least one target frequency domain resource is continuous;

The reader transmits a first signal on the at least one target frequency domain resource.

In the second aspect, a communication method is provided, which method includes:

The tag receives a first signal from the reader on at least one target frequency domain resource;

Wherein, the time domain resource corresponding to the at least one target frequency domain resource is continuous.

The third aspect provides a resource allocation method, which includes:

The network side device sends instruction information to the reader;

Wherein, the indication information is used to indicate to the reader the configuration information of at least one target frequency domain resource, the time domain resource corresponding to the at least one target frequency domain resource is continuous, and the at least one target frequency domain resource is Transmitting a first signal to the reader.

In a fourth aspect, a communication device is provided. The method includes:

A determining module, configured to determine at least one target frequency domain resource, wherein the time domain resource corresponding to the at least one target frequency domain resource is continuous;

A transmission module, configured to transmit the first signal on the at least one target frequency domain resource.

In a fifth aspect, a communication device is provided, the device including:

A signal receiving module, configured to receive the first signal from the reader on at least one target frequency domain resource;

In a sixth aspect, a resource allocation device is provided, which device includes:

Information sending module, used to send instruction information to the reader;

In a seventh aspect, a communication system is provided, the communication system including a reader, a tag and a network side device;

The reader determines at least one target frequency domain resource, and transmits the first signal on the at least one target frequency domain resource, wherein the time domain resource corresponding to the at least one target frequency domain resource is continuous;

The tag receives the first signal from the reader on at least one target frequency domain resource;

The network side device sends indication information to the reader, where the indication information is used to configure the at least one target frequency domain resource to the reader.

In an eighth aspect, a reader is provided. The reader includes a processor and a memory. The memory stores programs or instructions that can be run on the processor. When the program or instructions are executed by the processor, Implement the steps of the communication method described in the first aspect.

In a ninth aspect, a tag is provided. The tag includes a processor and a memory. The memory stores a program or instructions that can be run on the processor. When the program or instructions are executed by the processor, the following is implemented: The steps of the communication method described in the second aspect.

In a tenth aspect, a network side device is provided. The network side device includes a processor and a memory. The memory stores programs or instructions that can be run on the processor. The program or instructions are executed by the processor. When implementing the steps of the method described in the third aspect.

In an eleventh aspect, a reader is provided, including a processor and a communication interface, wherein the processor is configured to determine at least one target frequency domain resource, wherein the time domain resource corresponding to the at least one target frequency domain resource is Continuous; the communication interface is used to transmit the first signal on the at least one target frequency domain resource.

In a twelfth aspect, a tag is provided, including a communication interface configured to receive a first signal from a reader on at least one target frequency domain resource, wherein the at least one target frequency domain resource corresponds to Time domain resources are continuous.

In a thirteenth aspect, a network side device is provided, including a communication interface, the communication interface being used to send indication information to a reader, wherein the indication information is used to indicate at least one target frequency domain resource to the reader. configuration information, the time domain resources corresponding to the at least one target frequency domain resource are continuous, and the at least one target frequency domain resource is Transmitting a first signal to the reader.

In a fourteenth aspect, a communication system is provided, including a reader, a tag, and a network side device. The reader is used to perform the steps of the communication method as described in the first aspect, and the tag is used to perform the steps of the communication method as described in the second aspect. In the steps of the communication method, the third network side device is configured to perform the steps of the resource configuration method described in the third aspect.

In a fifteenth aspect, a readable storage medium is provided. Programs or instructions are stored on the readable storage medium. When the programs or instructions are executed by a processor, the implementation is as in the first aspect, the second aspect and the third aspect. The steps of any of the methods described in any aspect.

In a sixteenth aspect, a chip is provided. The chip includes a processor and a communication interface. The communication interface is coupled to the processor. The processor is used to run programs or instructions to implement the first aspect and the second aspect. The steps of the method described in any one of the first aspect and the third aspect.

In a seventeenth aspect, a computer program/program product is provided, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the first aspect, the The steps of the method described in any one of the second aspect and the third aspect.

In this embodiment of the present application, since the reader can transmit the first signal on at least one target frequency domain resource with continuous time domain resources, it can ensure that the first signal can be continuously transmitted, thereby improving the transmission success rate of the first signal. and resource utilization.

Description of drawings

Figure 1 is a block diagram of a wireless communication system provided by an embodiment of the present application.

Figure 2A is a block diagram of a PIoT wireless communication system provided by an embodiment of the present application.

FIG. 2B is a block diagram of a PIoT wireless communication system provided by another embodiment of the present application.

Figure 3 is a schematic flowchart of a communication method provided by an embodiment of the present application.

Figure 4 is a schematic diagram of a specific implementation mode 1 of a communication method provided by an embodiment of the present application.

FIG. 5A is a schematic diagram of the second specific implementation mode of a communication method provided by an embodiment of the present application.

FIG. 5B is a detailed schematic diagram of implementation mode 2 of a communication method provided by an embodiment of the present application.

FIG. 6 is a schematic diagram of the third embodiment of a communication method provided by an embodiment of the present application.

FIG. 7 is a schematic diagram of the fourth embodiment of a communication method provided by an embodiment of the present application.

Figure 8 is a schematic flowchart of a communication method provided by an embodiment of the present application.

Figure 9 is a schematic flowchart of a resource configuration method provided by an embodiment of the present application.

FIG. 10A is a schematic diagram of the first implementation of a resource configuration method provided by an embodiment of the present application.

Figure 10B is a schematic diagram two of the first implementation of a resource configuration method provided by an embodiment of the present application.

FIG. 11A is a schematic diagram 1 of specific implementation mode 2 of a resource allocation method provided by an embodiment of the present application.

Figure 11B is a second schematic diagram of the second specific implementation of a resource configuration method provided by an embodiment of the present application.

Figure 12 is a schematic structural diagram of a communication device provided by an embodiment of the present application.

Figure 13 is a schematic structural diagram of a communication device provided by an embodiment of the present application.

Figure 14 is a schematic structural diagram of a resource allocation device provided by an embodiment of the present application.

Figure 15 is a schematic structural diagram of a communication device of the present application.

Figure 16 is a schematic diagram of the hardware structure of a terminal device provided by an embodiment of the present application.

Figure 17 is a schematic diagram of the hardware structure of a network side device provided by an embodiment of this application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art fall within the scope of protection of this application.

The terms "first", "second", etc. in the description and claims of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first" and "second" are distinguished objects It is usually one type, and the number of objects is not limited. For example, the first object can be one or multiple. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the related objects are in an "or" relationship.

It is worth pointing out that the technology described in the embodiments of this application is not limited to Long Term Evolution (LTE)/LTE Evolution (LTE-Advanced, LTE-A) systems, and can also be used in other wireless communication systems, such as code Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access, OFDMA), Single-carrier Frequency Division Multiple Access (SC-FDMA) and other systems. The terms "system" and "network" in the embodiments of this application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies. The following description describes a New Radio (NR) system for example purposes, and NR terminology is used in much of the following description, but these techniques can also be applied to applications other than NR system applications, such as 6th ^generation Generation, 6G) communication system.

Figure 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable. The wireless communication system includes a terminal 11 and a network side device 12. The terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, or a super mobile personal computer. (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), augmented reality (AR)/virtual reality (VR) equipment, robots, wearable devices (Wearable Device) , Vehicle User Equipment (VUE), Pedestrian User Equipment (PUE), smart home (home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.), game consoles, personal computers (personal computer, PC), teller machine or self-service machine and other terminal-side equipment. Wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart bracelets, etc.) smart necklaces, smart anklets, smart anklets, etc.), smart wristbands, smart clothing, etc. It should be noted that the embodiment of the present application does not limit the specific type of the terminal 11. The network side device 12 may include an access network device or a core network device, where the access network device 12 may also be called a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or Wireless access network unit. The access network device 12 may include a base station, a Wireless Local Area Network (WLAN) access point or a WiFi node, etc. The base station may be called a Node B, an evolved Node B (eNB), an access point, Base Transceiver Station (BTS), radio base station, radio transceiver, Basic Service Set (BSS), Extended Service Set (ESS), home B-node, home evolved B-node , Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms. It should be noted that in the embodiment of the present application This introduction only takes the base station in the NR system as an example, and does not limit the specific type of base station.

In order to solve the problem that in the communication scenario of Passive IoT Networks (PIoT), the signal transmitted by the reader is easily interrupted and cannot be continuously transmitted, embodiments of the present application propose a wireless communication method and device, a A resource configuration method and device, as well as a reader, tag and network side device.

FIG. 2A shows a block diagram of a PIoT wireless communication system to which embodiments of the present application are applicable. The PIoT wireless communication system includes a network side device 21 and a tag (Tag) 22. In this application scenario, the network side device 21 acts as a reader and sends signals such as control commands or continuous waves (CW) to the tag 22. The network side device 21 can be a base station (Base station); The tag 22 may be a backscatter communication (BSC) device, and the tag 22 with backscatter communication capability may return a backscatter signal (such as Tag reply) to the network side device 21.

It should be noted that backscatter communication technology refers to a communication technology in which backscatter communication equipment uses radio frequency signals from other devices or the environment to perform signal modulation to transmit its own information. Backscatter communication equipment can be one of the following types of equipment: Backscatter communication equipment in traditional radio frequency identification (Radio Frequency Identification, RFID) is generally a tag and belongs to passive IoT equipment (Passive-IoT). ); semi-passive tags, which have certain amplification capabilities for downlink reception or uplink reflection; tags with active transmission capabilities (active tags), which do not rely on reflection of incident signals Send a message to the reader.

Specifically, the tag 22 may be an electronic tag with backscatter communication capabilities. In one example, the electronic tag can have a built-in induction antenna and a corresponding circuit. The antenna can receive a radio frequency signal, and the circuit can modulate the radio frequency signal and send it out through the antenna. In another example, the tag 22 can represent two states of "0" and "1" by non-reflection and reflection of the received radio frequency signal; the reader/receiver receives the signal according to the two conditions of the reflected and non-reflected signal. Differences and characteristics, corresponding signal processing methods are adopted to detect these two states.

FIG. 2B shows a block diagram of another PIoT wireless communication system to which embodiments of the present application are applicable. The PIoT wireless communication system includes a network side device 21, a terminal device (User Equipment, UE) 23 and a tag (Tag) 22. In this application scenario, UE 23 acts as a reader and sends signals such as control commands (commands) or continuous waves (CW) to tag 22; tag 22 can be a backscatter communication (Backscatter) Communication (BSC) equipment, the tag 22 with backscattering capability can return a backscatter signal (such as Tag reply) to the UE 23, and the UE 23 forwards it to the network side device 21 after receiving the backscatter signal from the tag 22. Among them, the network side device 21 may be a base station (Base station).

The following describes a communication method provided by the embodiment of the present application.

As shown in Figure 3, a communication method provided by an embodiment of the present application may include:

Step 301: The reader determines at least one target frequency domain resource, where the time domain resource corresponding to the at least one target frequency domain resource is continuous.

Step 302: The reader transmits the first signal on the at least one target frequency domain resource.

Wherein, the first signal may include but is not limited to at least one of the following signals:

(1) Carrier or continuous wave (CW);

(2) Control command (command);

(3) Wake-up signal.

When the first signal is a carrier wave or a continuous wave, the tag can modulate the received carrier wave or continuous wave to obtain a backscattered signal after receiving the carrier wave or continuous wave.

Generally speaking, the information transmission between the reader and the tag runs through the three processes of Select, Inventory and Access.

Select: The interrogator module in the reader selects a tag group for subsequent inventory or challenges the tag group in an encrypted manner for subsequent authentication. The commands in the selection process include select commands. and interrogatory orders.

Inventory: The process of identifying tags by the Interrogator. The Query module starts counting tags by sending a Query command in one of four sessions. One or more tags may reply to the query module. The interrogation module detects a reply from a single tag and requests its Protocol Control (PC) field, optional extended Protocol Control (XPC) field, and Evolved Packet Core (EPC) fields from the tag Field and at least one of Cyclic Redundancy Check (CRC-16). A round of inventory runs only in one session at a time. An inventory may contain multiple control orders.

Access: The process by which a query module interacts (read, write, verify, or otherwise interact) with a single tag. The interrogation module individually identifies and uniquely identifies the tag before access. Access can also include multiple control commands.

Specifically, the operation commands and control commands sent by the reader to the tag in the above three processes can be referred to Table 1 and Table 2 respectively.

Table 1 Reader operation commands

Table 2 Reader control commands

In a specific implementation manner, the above step 301 may include: the reader determines the at least one target frequency domain resource based on the configuration information of the at least one target frequency domain resource.

Wherein, the configuration information of the at least one target frequency domain resource may be determined by at least one of the following methods:

(1) Predefined, as agreed in the agreement.

(2) Preconfiguration, such as network side device preconfiguration.

(3) Network side device instructions.

The configuration information of the at least one target frequency domain resource may include, but is not limited to, at least one of the following:

(1) Time domain information of the time domain resource corresponding to the at least one target frequency domain resource, where the time domain information includes at least one of a starting time, an ending time, and a duration.

(2) Frequency domain information of the at least one target frequency domain resource. The frequency domain information includes at least one of subband number, frequency position and bandwidth, wherein the bandwidth can be expressed in Hz, MHz or resource block (Resource Block). )RB is the unit.

(3) The composition of the at least one target frequency domain resource, the composition includes a set of one or more resource blocks RB, or the composition includes a set of one or more sub-carriers (Sub-Carrier) SC.

(4) Frequency offset between different target frequency domain resources. The frequency offset can be in Hz or resource block (Resource Block) RB.

In the case where the configuration information of the at least one target frequency domain resource includes time domain information of the time domain resource corresponding to the at least one target frequency domain resource, and the time domain information includes a duration, the duration may include But not limited to at least one of the following:

(1) The duration of transmitting the first signal on the at least one target frequency domain resource;

(2) The switching time between different target frequency domain resources;

(3) The processing time of the first signal. The processing time of the first signal may include radio frequency retuning (RF retuning) time.

In order to facilitate the tag to receive the first signal or perform modulation to generate a backscatter signal based on the first signal, the at least one target frequency domain resource is within the receiving bandwidth and/or transmitting bandwidth of the tag.

Optionally, the number of target frequency domain resources is less than or equal to a preset value, wherein the preset value can be determined by at least one of the following methods:

(1) Predefined, as agreed in the agreement;

(2) Preconfiguration, such as network side device preconfiguration;

(3) Network side device instructions.

Optionally, when the first signal is a carrier wave, the frequency domain resource where the reflected signal from the tag received by the reader is located may include at least one of the following:

(1) The frequency domain resource where the carrier is located;

(2) Frequency domain resources at a preset interval from the frequency domain resources where the carrier is located.

Wherein, the frequency domain resource where the reflected signal is located can be determined by at least one of the following methods:

(1) Predefined, as agreed in the agreement;

(2) Preconfiguration, such as network side device preconfiguration;

(3) Network side device instructions.

Optionally, the reader has full duplex capability.

Further, within a first period, the reader has full-duplex capability, wherein the first period is a period during which the reader receives the second signal from the tag.

It can be understood that the reason why the reader is required to have full-duplex capability during the first period is because the reader has to transmit the first signal and receive the second signal from the tag during the first period. The second signal may include but is not limited to tag reply (Tag reply).

In practical applications, the reader can be a base station (the application scenario shown in Figure 2A), an integrated access and backhaul (IAB) base station, a relay device (repeater) and a terminal device (as shown in Figure 2A) One of the application fields shown in 2B).

The following describes a communication method provided by the embodiment shown in Figure 3 through four specific implementation modes.

Specific implementation mode one

A communication method provided by the embodiment of the present application can be applied to the communication system shown in Figure 2A, and the reader is the base station 21. Assume that the network side device indicates two target frequency domain resources to the base station 21: a first target frequency domain resource and a second target frequency domain resource, that is, the at least one target frequency domain resource includes the first target frequency domain resource and the second target frequency domain resource. Target frequency domain resource, and the second target frequency domain resource is the frequency domain resource where the reflected signal emitted by the tag is located.

On this basis, the above step 302 may include: within a second period, the reader transmits the first signal on the first target frequency domain resource, wherein the second period is continuous transmission of the first signal. The required duration of the signal.

Optionally, the communication method shown in Figure 3 further includes: within the first period, the reader receives the second signal on the second target frequency domain resource, wherein the first period within the second time period.

As shown in Figure 4, during the second period, the base station 21 continuously transmits the first signal on the first target frequency domain resource without interruption. The first signal may be a continuous wave (CW), a control command (Command), and a wake-up signal. One of the signals (Wake-up signal); if the second target frequency domain resource is the frequency of the reflected signal modulated after the tag receives the first signal (such as continuous wave), then in the first period (T1 time to T2 time) , the base station 21 also needs to receive the tag reply (Tag reply) on the second target frequency domain resource.

Specific implementation mode two

A communication method provided by the embodiment of the present application can be applied to the communication system shown in Figure 2A, and the reader is the base station 21. Assume that the network side device indicates two target frequency domain resources to the base station 21: a first target frequency domain resource and a second target frequency domain resource, that is, the at least one target frequency domain resource includes the first target frequency domain resource and the second target frequency domain resource. Target frequency domain resources, and neither the first target frequency domain resource nor the second target frequency domain resource is the frequency domain resource where the reflected signal emitted by the tag is located.

On this basis, the above step 302 may include: within the second period, the reader may transmit the first signal on the first target frequency domain resource or the second target frequency domain resource, wherein, the The second period of time is the duration required for continuous transmission of the first signal.

Optionally, the communication method shown in Figure 3 also includes: within the first period, the reader receives the second signal at the frequency of the reflected signal, wherein the first period is located within the second period of time.

As shown in Figure 5A, during the first period, the base station 21 can continuously transmit the first signal on the first target frequency domain resource without interruption. The first signal can be a continuous wave (CW), a control command (Command), and At least one of the wake-up signals (Wake-up signal), for example, it can be Command+CW; if the frequency of the modulated reflected signal after the tag receives the first signal (such as continuous wave) is another frequency, then in the first period (T1 time to time T2), the base station 21 also needs to receive the tag reply (Tag reply) at the frequency where the reflected signal is located.

As shown in FIG. 5B , assuming that the first target frequency domain resource can be a first frequency subband, and the frequency where the reflected signal is located can be a second frequency subband, then, within the second period, the base station 21 can be in the first frequency subband. The first signal is transmitted uninterruptedly and continuously on a frequency subband. The first signal can be at least one of a continuous wave (CW), a control command (Command) and a wake-up signal (Wake-up signal). For example, it can be a Command +CW; If the frequency of the modulated reflected signal after the tag receives the first signal (such as a continuous wave) is the second frequency sub-band, then during the first period (T1 time to T2 time), the base station 21 also needs to be on the second frequency at the same time. Receive tag replies on the subband (Tag reply).

Specific implementation mode three

A communication method provided by the embodiment of the present application can be applied to the communication system shown in Figure 2A, and the reader is the base station 21. Assume that the network side device indicates two target frequency domain resources to the base station 21: a first target frequency domain resource and a second target frequency domain resource, that is, the at least one target frequency domain resource includes the first target frequency domain resource and the second target frequency domain resource. Target frequency domain resource, and the first target frequency domain resource is the frequency domain resource where the reflected signal emitted by the tag is located.

On this basis, the above step 302 may include: the reader transmits the first signal on the first target frequency domain resource during a third period, wherein the third period is the second period except for the second period. The time outside the first period, the second period is the duration required to continuously transmit the first signal; and, within the first period, the reader switches to the second target frequency domain The resource transmits the first signal.

Optionally, the communication method shown in Figure 3 further includes: within the first period, the reader receives the second signal on the first target frequency domain resource.

As shown in Figure 6, in the third period (the period in the second period except the first period), the base station 21 transmits a first signal on the first target frequency domain resource. The first signal may be a continuous wave ( CW), control command (Command) and wake-up signal (Wake-up signal); if the first target frequency domain resource is the frequency of the reflected signal modulated after the tag receives the first signal (such as continuous wave), then in In the first period (time T1 to time T2), the base station 21 also needs to receive a tag reply (Tag reply) on the first target frequency domain resource.

Specific implementation mode four

A communication method provided by the embodiment of the present application can be applied to the communication system shown in Figure 2B, and the reader is the terminal device 23. Assume that the network side device indicates two target frequency domain resources to the terminal device 23: the first target frequency domain resource and the third target frequency domain resource. Two target frequency domain resources, that is, the at least one target frequency domain resource includes a first target frequency domain resource and a second target frequency domain resource, and the first target frequency domain resource is where the reflected signal emitted by the tag is located. Frequency domain resources.

As shown in Figure 7, in the third period (the period in the second period except the first period), the terminal device 23 transmits the first signal on the first target frequency domain resource, and, in the first During the period, the reader switches to the second target frequency domain resource to transmit the first signal. The first signal can be a continuous wave (CW), a control command (Command), and a wake-up signal (Wake-up signal). A kind of; if the first target frequency domain resource is the frequency of the reflected signal modulated after the tag receives the first signal (such as continuous wave), then during the first period (T1 time to T2 time), the terminal device 23 also needs to be in Receive tag reply (Tag reply) on the first target frequency domain resource.

In this embodiment of the present application, since the reader can transmit the first signal on at least one target frequency domain resource with continuous time domain resources, it can ensure that the first signal can be continuously transmitted, thereby improving the reception success rate of the first signal. and resource utilization. For example, even if the reader needs to receive a second signal (such as Tag reply or uplink report) while transmitting the first signal, it can still maintain the continuity of transmission, which is beneficial to improving the reception success rate and system resource utilization.

As shown in Figure 8, a communication method provided by another embodiment of the present application may include:

Step 801: The tag receives the first signal from the reader on at least one target frequency domain resource, where the time domain resource corresponding to the at least one target frequency domain resource is continuous.

(1) Carrier or continuous wave (CW);

(2) Control command (command);

(3) Wake-up signal.

(1) Predefined, as agreed in the agreement.

(2) Preconfiguration, such as network side device preconfiguration;

(3) Network side device instructions.

(2) Frequency domain information of the at least one target frequency domain resource. The frequency domain information includes at least one of subband number, frequency position and bandwidth, where the bandwidth can be expressed in Hz, MHz or resource block (Resource Block). )RB is the unit.

(3) The composition of the at least one target frequency domain resource, the composition includes a set of one or more resource blocks RB, or the composition includes a set of one or more subcarriers SC.

(2) The switching time between different target frequency domain resources;

(1) Predefined, as agreed in the agreement;

(2) Preconfiguration, such as network side device preconfiguration;

(3) Network side device instructions.

Optionally, when the first signal is a carrier wave, the frequency domain resource where the reflected signal of the tag is located may include at least one of the following:

(1) The frequency domain resource where the carrier is located;

(1) Predefined, as agreed in the agreement;

(2) Preconfiguration, such as network side device preconfiguration;

(3) Network side device instructions.

Optionally, the reader has full duplex capability.

In practical applications, the reader can be a base station (application scenario as shown in Figure 2A), an Integrated Access and Backhaul (IAB) base station, a repeater and a terminal device (as shown in Figure 2A) One of the application fields shown in 2B).

The following describes a communication method provided by the embodiment shown in Figure 8 through four specific implementation modes.

Specific implementation mode one

On this basis, the above step 801 may include: within a second period, the tag receives the first signal from the reader on the first target frequency domain resource, wherein the second period is the reading period. The duration required for the device to continuously transmit the first signal.

Optionally, the communication method shown in Figure 8 further includes: within the first time period, the tag sends the second signal to the reader, wherein the first time period is within the second time period. Inside.

As shown in Figure 4, during the second period, the tag 22 continuously receives the first signal on the first target frequency domain resource without interruption. The first signal may be a continuous wave (CW), a control command (Command), and a wake-up signal. One of the signals (Wake-up signal); if the second target frequency domain resource is the frequency of the reflected signal modulated after the tag receives the first signal (such as continuous wave), then in the first period (T1 time to T2 time) , the tag 22 also needs to send a second signal (such as Tag reply) to the base station 21 on the second target frequency domain resource.

Specific implementation mode two

On this basis, the above step 801 may include: within the second period, the tag receives the first signal from the reader on the first target frequency domain resource or the second target frequency domain resource, wherein, The second period is the duration required by the reader to continuously transmit the first signal.

Optionally, the communication method shown in Figure 8 further includes: within the first period, the tag sends the second signal at the frequency where the reflected signal is located, wherein the first period is located at the frequency where the reflected signal is located. within the second period.

As shown in Figure 5A, during the first period, the tag 22 can continuously receive the first signal on the first target frequency domain resource without interruption. The first signal can be a continuous wave (CW), a control command (Command), and At least one of the wake-up signals (Wake-up signal), for example, it can be Command+CW; if the frequency of the modulated reflected signal after the tag receives the first signal (such as continuous wave) is another frequency, then in the first period (T1 time to time T2), the tag 22 also needs to send a second signal (such as Tag reply) to the base station 21 at the frequency of the reflected signal.

As shown in FIG. 5B , assuming that the first target frequency domain resource can be a first frequency subband, and the frequency where the reflected signal is located can be a second frequency subband, then, during the second period, the tag 22 can be in the first frequency subband. The first signal is received uninterruptedly and continuously on a frequency sub-band. The first signal may be a continuous wave (CW), a control command (Command) and At least one of the wake-up signals (Wake-up signal), for example, it can be Command+CW; if the frequency of the modulated reflected signal after the tag 22 receives the first signal (such as a continuous wave) is the second frequency sub-band, then in the During a period of time (time T1 to time T2), the tag 22 also needs to send a second signal (such as Tag reply) to the base station 21 on the second frequency subband.

Specific implementation mode three

On this basis, the above step 801 may include: within a third period, the tag receives the first signal from the reader on the first target frequency domain resource, wherein the third period is the second period The time other than the first period, the second period is the duration required for the reader to continuously transmit the first signal; and, within the first period, the tag switches to the The second target frequency domain resource receives the first signal.

Optionally, the communication method shown in Figure 8 further includes: within the first period, the tag sends the second signal on the first target frequency domain resource.

As shown in Figure 6, in the third period (the period in the second period except the first period), the tag 22 receives the first signal on the first target frequency domain resource, and the first signal may be a continuous wave ( CW), control command (Command) and wake-up signal (Wake-up signal); if the first target frequency domain resource is the frequency of the reflected signal modulated after the tag receives the first signal (such as continuous wave), then in In the first period (T1 time to T2 time), the tag 22 also needs to send a second signal (such as Tag reply) to the base station 21 on the first target frequency domain resource.

Specific implementation mode four

A communication method provided by the embodiment of the present application can be applied to the communication system shown in Figure 2B, and the reader is the terminal device 23. Assume that the network side device indicates two target frequency domain resources to the terminal device 23: a first target frequency domain resource and a second target frequency domain resource, that is, the at least one target frequency domain resource includes the first target frequency domain resource and the second target frequency domain resource. Two target frequency domain resources, and the first target frequency domain resource is the frequency domain resource where the reflected signal emitted by the tag is located.

As shown in Figure 7, in the third period (the period in the second period except the first period), the tag 22 receives the first signal on the first target frequency domain resource, and the first signal may be a continuous wave ( CW), control command (Command) and wake-up signal (Wake-up signal); if the first target frequency domain resource is the frequency of the reflected signal modulated after the tag receives the first signal (such as continuous wave), then in In the first period (T1 time to T2 time), tag 22 also At the same time, a second signal (such as Tag reply) needs to be sent to the terminal device 23 on the first target frequency domain resource.

In this embodiment of the present application, since the tag can receive the first signal on at least one target frequency domain resource with continuous time domain resources, it can be guaranteed that the first signal can be continuously received, thereby improving the reception success rate of the first signal and Resource utilization. For example, even if the tag needs to send a second signal (such as Tag reply or uplink report) to the reader during the process of receiving the first signal, the continuity of reception can still be maintained, which is beneficial to improving the reception success rate and system resource utilization.

As shown in Figure 9, this embodiment of the present application also provides a resource configuration method, which may include:

Step 901: The network side device sends indication information to the reader, where the indication information is used to indicate to the reader the configuration information of at least one target frequency domain resource, and the time domain resource corresponding to the at least one target frequency domain resource. is continuous, and the at least one target frequency domain resource is used by the reader to transmit the first signal.

(1) Carrier or continuous wave (CW);

(2) Control command (command);

(3) Wake-up signal.

Wherein, the configuration information of the at least one target frequency domain resource may include but is not limited to at least one of the following:

(2) The switching time between different target frequency domain resources;

(1) Predefined, as agreed in the agreement;

(2) Preconfiguration, such as network side device preconfiguration;

(3) Network side device instructions.

(1) The frequency domain resource where the carrier is located;

(1) Predefined, as agreed in the agreement;

(2) Preconfiguration, such as network side device preconfiguration;

(3) Network side device instructions.

Optionally, the reader has full duplex capability.

The at least one target frequency domain resource configured in Figure 9 will be described below through three specific implementations.

Specific implementation mode one

The at least one target frequency domain resource includes a first target frequency domain resource and a second target frequency domain resource, and the second target frequency domain resource is the frequency domain resource where the reflected signal emitted by the tag is located.

The first target frequency domain resource may be used by the reader to transmit the first signal within a second period, where the second period is the duration required by the reader to continuously transmit the first signal. .

The second target frequency domain resource may be used by the reader to receive the second signal within the first time period, wherein the first time period is located within the second time period.

Specific implementation mode two

The at least one target frequency domain resource includes a first target frequency domain resource and a second target frequency domain resource, and neither the first target frequency domain resource nor the second target frequency domain resource is a reflected signal emitted by the tag. The frequency domain resource where it is located.

The first target frequency domain resource or the second frequency domain resource may be used by the reader to transmit the first signal in a second period, wherein the second period is for the reader to continuously transmit the The required duration of the first signal.

The frequency domain resource where the reflected signal is located can be used by the tag to send the second signal to the reader within the first time period, wherein the first time period is within the second time period.

Specific implementation mode three

The at least one target frequency domain resource includes a first target frequency domain resource and a second target frequency domain resource, and the first target frequency domain resource is the frequency domain resource where the reflected signal emitted by the tag is located.

The first target frequency domain resource may be used by the reader to transmit the first signal in a third time period, where the third time period is a time in the second time period other than the first time period, and the third time period is The second period is the duration required by the reader to continuously transmit the first signal.

The second target frequency domain resource may be used by the reader to transmit the first signal within the first period.

The first target frequency domain resource may also be used by the reader to receive the second signal within the first period.

Further, for the above-mentioned first target frequency domain resource and second target frequency domain resource, the network side device can illustrate the configuration process of the two through the following two specific implementations.

First specific implementation mode

Assume that the network side device indicates a BWP#1 in the instruction information of step 901, its subcarrier spacing is 15kGz, it uses normal cyclic prefix (normal Cyclic Prefix, normal CP), and its bandwidth is 20MHz.

Further, the network side device may indicate through the instruction information that the first frequency subband and the second frequency subband are configured as the first target frequency domain resource and the second target frequency domain resource respectively. The specific instruction content may include:

(1) The first frequency subband: belongs to the downlink BWP#1, the subband number is 1, the bandwidth is 20RBs, from RB#0 to RB#19 of the BWP;

(2) The configuration methods of the second frequency subband include the following two methods:

Method 1, direct indication: the second frequency subband belongs to the downlink BWP#1, the subband number is 2, the bandwidth is 20RBs, from RB#30 to RB#49 of the BWP, as shown in Figure 10A.

Method 2, implicit indication: the second frequency subband is 5 MHz apart from the first frequency subband, and the subband number is the first frequency subband number + 1, as shown in Figure 10B.

The second specific implementation mode

Assume that the network side device indicates a BWP#1 in the instruction information of step 901, its subcarrier spacing is 15kGz, it uses a normal cyclic prefix (normal CP), and its bandwidth is 20MHz; it also indicates a BWP#2, the subcarrier The spacing is 15kGz, using normal CP, and the bandwidth is 5MHz.

Further, the network side device may instruct through the indication information to configure BWP#1 and BWP#2 as the first target frequency domain resource and the second target frequency domain resource respectively, as shown in Figures 11A and 11B.

In the resource configuration method provided by the embodiment of the present application, since the network side device configures at least one target frequency domain resource with continuous time domain resources to the reader for the reader to transmit the first signal, it can ensure that the first signal can is continuously transmitted, thereby improving the transmission success rate of the first signal.

It should be noted that the execution subject of the communication method provided by the embodiment shown in FIG. 3 or FIG. 8 may be a communication device. In the embodiment of the present application, a communication device performing a communication method is used as an example to describe the communication device provided by the embodiment of the present application.

A communication device provided by embodiments of the present application will be described below with reference to the accompanying drawings. Since a communication device provided by an embodiment of the present application corresponds to a communication method provided by an embodiment of the present application, the communication device provided by the embodiment of the present application is The description of the signaling device is relatively brief. For details, please refer to the introduction in the method embodiment section above.

As shown in Figure 12, one embodiment of the present application provides a communication device 1200. The device 1200 may include: a determination module 1201 and a transmission module 1202.

Determining module 1201 is used to determine at least one target frequency domain resource, wherein the time domain resource corresponding to the at least one target frequency domain resource is continuous.

The transmission module 1202 is configured to transmit the first signal on the at least one target frequency domain resource.

(1) Carrier or continuous wave (CW);

(2) Control command (command);

(3) Wake-up signal.

In a specific implementation manner, the above-mentioned determination module 1201 may be configured to: the reader determines the at least one target frequency domain resource based on the configuration of the at least one target frequency domain resource.

(1) Predefined, as agreed in the agreement.

(2) Preconfiguration, such as network side device preconfiguration;

(3) Network side device instructions.

(2) The switching time between different target frequency domain resources;

(1) Predefined, as agreed in the agreement;

(2) Preconfiguration, such as network side device preconfiguration;

(3) Network side device instructions.

(1) The frequency domain resource where the carrier is located;

(1) Predefined, as agreed in the agreement;

(2) Preconfiguration, such as network side device preconfiguration;

(3) Network side device instructions.

Optionally, the reader has full duplex capability.

The communication device provided by the embodiment shown in FIG. 12 will be described below through four specific implementation modes.

Specific implementation mode one

The communication device 1200 provided by the embodiment of the present application can be applied to the communication system shown in FIG. 2A , and the reader is the base station 21 . Assume that the network side device indicates two target frequency domain resources to the base station 21: a first target frequency domain resource and a second target frequency domain resource, that is, the at least one target frequency domain resource includes the first target frequency domain resource and the second target frequency domain resource. Target frequency domain resource, and the second target frequency domain resource is the frequency domain resource where the reflected signal emitted by the tag is located.

On this basis, the above-mentioned transmission module 1202 can be used to: in the second period, the reader transmits the first signal on the first target frequency domain resource, wherein the second period is continuous transmission of the first signal. The required duration of a signal.

Optionally, the communication device 1200 shown in Figure 12 further includes: a receiving module, configured to receive the second signal on the second target frequency domain resource by the reader during the first period, wherein , the first time period is located within the second time period.

Specific implementation mode two

The communication device 1200 provided by the embodiment of the present application can be applied to the communication system shown in FIG. 2A , and the reader is the base station 21 . Assume that the network side device indicates two target frequency domain resources to the base station 21: a first target frequency domain resource and a second target frequency domain resource, that is, the at least one target frequency domain resource includes the first target frequency domain resource and the second target frequency domain resource. Target frequency domain resources, and neither the first target frequency domain resource nor the second target frequency domain resource is the frequency domain resource where the reflected signal emitted by the tag is located.

On this basis, the above-mentioned transmission module 1202 can be used to: within the second period, the reader can transmit the first signal on the first target frequency domain resource or the second target frequency domain resource, wherein the The second period of time is the duration required for continuous transmission of the first signal.

Optionally, the communication device 1200 shown in Figure 12 further includes: a receiving module, configured to allow the reader to receive the second signal at the frequency of the reflected signal during the first period, wherein, The first time period is located within the second time period.

Specific implementation mode three

The communication device 1200 provided by the embodiment of the present application can be applied to the communication system shown in FIG. 2A , and the reader is the base station 21 . Assume that the network side device indicates two target frequency domain resources to the base station 21: a first target frequency domain resource and a second target frequency domain resource, that is, the at least one target frequency domain resource includes the first target frequency domain resource and the second target frequency domain resource. Target frequency domain resource, and the first target frequency domain resource is the frequency domain resource where the reflected signal emitted by the tag is located.

On this basis, the above-mentioned transmission module 1202 can be used to: in the third period, the reader transmits the first signal on the first target frequency domain resource, wherein the third period is the second period except the second period. The time outside the first period, the second period is the duration required to continuously transmit the first signal; and, within the first period, the reader switches to the second target frequency Domain resources transmit the first signal.

Optionally, the communication device 1200 shown in Figure 12 further includes: a receiving module, configured to allow the reader to receive the second signal on the first target frequency domain resource during the first period.

Specific implementation mode four

The communication device 1200 provided by the embodiment of the present application can be applied to the communication system shown in FIG. 2A , and the reader is the terminal device 23 . Assume that the network side device indicates two target frequency domain resources to the terminal device 23: a first target frequency domain resource and a second target frequency domain resource, that is, the at least one target frequency domain resource includes the first target frequency domain resource and the second target frequency domain resource. Two target frequency domain resources, and the first target frequency domain resource is the frequency domain resource where the reflected signal emitted by the tag is located.

In this embodiment of the present application, since the device 1200 can transmit the first signal on at least one target frequency domain resource with continuous time domain resources, it can ensure that the first signal can be continuously transmitted, thereby improving the reception success of the first signal. rate and resource utilization. For example, even if the reader needs to receive a second signal (such as Tag reply or uplink report) while transmitting the first signal, the continuity of transmission can still be maintained, which is beneficial to improving the reception success rate and system resource utilization.

As shown in Figure 13, a communication device 1300 provided by another embodiment of the present application may include: a signal receiving module 1301, configured to receive a first signal from a reader on at least one target frequency domain resource, wherein the The time domain resource corresponding to the at least one target frequency domain resource is continuous.

(1) Carrier or continuous wave (CW);

(2) Control command (command);

(3) Wake-up signal.

(1) Predefined, as agreed in the agreement.

(2) Preconfiguration, such as network side device preconfiguration;

(3) Network side device instructions.

(2) The switching time between different target frequency domain resources;

(1) Predefined, as agreed in the agreement;

(2) Preconfiguration, such as network side device preconfiguration;

(3) Network side device instructions.

(1) The frequency domain resource where the carrier is located;

(1) Predefined, as agreed in the agreement;

(2) Preconfiguration, such as network side device preconfiguration;

(3) Network side device instructions.

Optionally, the reader has full duplex capability.

The following describes a communication device 1300 provided by the embodiment shown in FIG. 13 through four specific implementation modes.

Specific implementation mode one

The communication device 1300 provided by the embodiment of the present application can be applied to the communication system shown in FIG. 2A , and the reader is the base station 21 . Assume that the network side device indicates two target frequency domain resources to the base station 21: a first target frequency domain resource and a second target frequency domain resource, that is, the at least one target frequency domain resource includes the first target frequency domain resource and the second target frequency domain resource. Target frequency domain resource, and the second target frequency domain resource is the frequency domain resource where the reflected signal emitted by the tag is located.

On this basis, the above-mentioned signal receiving module 1301 can be used to: in the second period, the tag receives the first signal from the reader on the first target frequency domain resource, wherein the second period is the The duration required for the reader to continuously transmit the first signal.

Optionally, the communication device shown in Figure 13 also includes: a signal sending module, configured to send the second signal to the reader by the tag within the first period, wherein the first period within the second time period.

Specific implementation mode two

The communication device 1300 provided by the embodiment of the present application can be applied to the communication system shown in FIG. 2A , and the reader is the base station 21 . Assume that the network side device indicates two target frequency domain resources to the base station 21: a first target frequency domain resource and a second target frequency domain resource, that is, the at least one target frequency domain resource includes the first target frequency domain resource and the second target frequency domain resource. Target frequency domain information source, and neither the first target frequency domain resource nor the second target frequency domain resource is the frequency domain resource where the reflected signal emitted by the tag is located.

On this basis, the above-mentioned signal receiving module 1301 can be used to: within the second period, the tag receives the first signal from the reader on the first target frequency domain resource or the second target frequency domain resource, Wherein, the second period of time is the duration required by the reader to continuously transmit the first signal.

Optionally, the communication device shown in Figure 13 further includes: a signal sending module, configured to send the second signal at the frequency of the reflected signal within the first period, wherein the The first time period is located within the second time period.

Specific implementation mode three

The communication device 1300 provided by the embodiment of the present application can be applied to the communication system shown in FIG. 2A , and the reader is the base station 21 . Assume that the network side device indicates two target frequency domain resources to the base station 21: a first target frequency domain resource and a second target frequency domain resource, that is, the at least one target frequency domain resource includes the first target frequency domain resource and the second target frequency domain resource. Target frequency domain resource, and the first target frequency domain resource is the frequency domain resource where the reflected signal emitted by the tag is located.

On this basis, the above-mentioned signal receiving module 1301 can be used to: in the third period, the tag receives the first signal from the reader on the first target frequency domain resource, wherein the third period is the The time in the two periods except the first period, the second period is the duration required by the reader to continuously transmit the first signal; and, within the first period, the tag switches to the second target frequency domain resource to receive the first signal.

Optionally, the communication device shown in Figure 13 further includes: a signal sending module, configured to send the second signal on the first target frequency domain resource by the tag within the first period.

Specific implementation mode four

The communication device 1300 provided by the embodiment of the present application can be applied to the communication system shown in FIG. 2B , and the reader is the terminal device 23 . Assume that the network side device indicates two target frequency domain resources to the terminal device 23: a first target frequency domain resource and a second target frequency domain resource, that is, the at least one target frequency domain resource includes the first target frequency domain resource and the second target frequency domain resource. Two target frequency domain resources, and the first target frequency domain resource is the frequency domain resource where the reflected signal emitted by the tag is located.

In this embodiment of the present application, since the communication device 1300 can receive the first signal on at least one target frequency domain resource with continuous time domain resources, it can ensure that the first signal can be continuously received, thereby improving the reception success of the first signal. rate and resource utilization. For example, even if the tag needs to send a second signal (such as Tag reply or uplink report) to the reader during the process of receiving the first signal, the continuity of reception can still be maintained, which is beneficial to improving the reception success rate and system resource utilization.

It should be noted that the execution subject of the resource configuration method provided by the embodiment shown in Figure 9 may be a resource configuration device. In the embodiment of the present application, the resource configuration device performing the resource configuration method is taken as an example to illustrate the resource configuration device provided by the embodiment of the present application.

As shown in Figure 14, this embodiment of the present application also provides a resource configuration device 1400, which may include: an information sending module 1400, configured to send indication information to a reader, where the indication information is used to indicate to the reader at least Configuration information of a target frequency domain resource, the time domain resource corresponding to the at least one target frequency domain resource is continuous, and the at least one target frequency domain resource is used for the reader to transmit the first signal.

(1) Carrier or continuous wave (CW);

(2) Control command (command);

(3) Wake-up signal.

(2) The switching time between different target frequency domain resources;

(1) Predefined, as agreed in the agreement;

(2) Preconfiguration, such as network side device preconfiguration;

(3) Network side device instructions.

(1) The frequency domain resource where the carrier is located;

(1) Predefined, as agreed in the agreement;

(2) Preconfiguration, such as network side device preconfiguration;

(3) Network side device instructions.

Optionally, the reader has full duplex capability.

The following describes at least one target frequency domain resource configured in Figure 13 through three specific implementations.

Specific implementation mode one

Specific implementation mode two

Specific implementation mode three

The at least one target frequency domain resource includes a first target frequency domain resource and a second target frequency domain resource, and the first target frequency domain resource is the frequency domain resource where the reflected signal transmitted by the tag is located.

First specific implementation mode

Assume that the network side device indicates a BWP#1 in the instruction information of step 901. Its subcarrier spacing is 15kGz, it uses normal cyclic prefix (normal CP), and its bandwidth is 20MHz.

The second specific implementation mode

The communication device 1200, the communication device 1300 and the resource allocation device 1400 in the embodiment of the present application may be electronic equipment, such as an electronic equipment with an operating system, or may be components in the electronic equipment, such as integrated circuits or chips. The electronic equipment may It is a network side device.

Optionally, as shown in Figure 15, this embodiment of the present application also provides a communication device 1500, which includes a processor 1501 and a memory 1502. The memory 1502 stores programs or instructions that can be run on the processor 1501, such as , when the communication device 1500 is a reader, when the program or instruction is executed by the processor 1501, each step of the communication method embodiment shown in FIG. 3 is implemented, and the same technical effect can be achieved. When the communication device 1500 is a tag, the When the program or instruction is executed by the processor 1501, each step of the communication method embodiment shown in FIG. 8 is implemented, and the same technical effect can be achieved. When the communication device 1500 is a network-side device, when the program or instruction is executed by the processor 1501, each step of the resource configuration method embodiment shown in Figure 9 is implemented, and the same technical effect can be achieved. To avoid duplication, it is not discussed here. Again.

An embodiment of the present application also provides a network side device. The network side device includes a reader, and the reader is used to implement each step of the communication method embodiment corresponding to Figure 3.

An embodiment of the present application also provides a terminal. The terminal includes a reader, and the reader is used to implement each step of the communication method embodiment corresponding to Figure 3.

An embodiment of the present application also provides a network side device, including a reader, the reader is used to determine at least one target resource, and transmit a first signal on the at least one target frequency domain resource, wherein the at least one target The time domain resources corresponding to the frequency domain resources are continuous.

An embodiment of the present application also provides a terminal, including a reader, the reader is configured to determine at least one target resource, and transmit a first signal on the at least one target frequency domain resource, wherein the at least one target frequency domain resource The time domain resources corresponding to the resources are continuous.

An embodiment of the present application also provides a terminal, including a processor and a communication interface. The processor is used to determine at least one target resource, wherein the time domain resource corresponding to the at least one target frequency domain resource is continuous, and the communication interface is used to determine at least one target resource. The first signal is transmitted on the at least one target frequency domain resource. This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment. Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect. Specifically, FIG. 16 is a schematic diagram of the hardware structure of a terminal that implements an embodiment of the present application.

The terminal 1600 includes but is not limited to: a radio frequency unit 1601, a network module 1602, an audio output unit 1603, an input unit 1604, a sensor 1605, a display unit 1606, a user input unit 1607, an interface unit 1608, a memory 1609, a processor 1610, etc. At least some parts.

Those skilled in the art can understand that the terminal 1600 may also include a power supply (such as a battery) that supplies power to various components. The power supply may be logically connected to the processor 1610 through a power management system, thereby managing charging, discharging, and power consumption through the power management system. Management and other functions. The terminal structure shown in FIG. 16 does not constitute a limitation on the terminal. The terminal may include more or fewer components than shown in the figure, or some components may be combined or arranged differently, which will not be described again here.

It should be understood that in the embodiment of the present application, the input unit 1604 may include a graphics processing unit (GPU) 16041 and a microphone 16042. The GPU 16041 is used for recording data by an image capture device (such as a camera) in the video capture mode or the image capture mode. The image data obtained from still pictures or videos is processed. The display unit 1606 may include a display panel 16061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1607 includes a touch panel 16071 and at least one of other input devices 16072. Touch panel 16071, also known as touch screen. The touch panel 16071 may include two parts: a touch detection device and a touch controller. Other input devices 16072 may include but are not limited to physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described again here.

In this embodiment of the present application, after receiving downlink data from the network side device, the radio frequency unit 1601 can transmit it to the processor 1610 for processing; in addition, the radio frequency unit 1601 can send uplink data to the network side device. Generally, the radio frequency unit 1601 includes, but is not limited to, an antenna, amplifier, transceiver, coupler, low noise amplifier, duplexer, etc.

Memory 1609 may be used to store software programs or instructions as well as various data. The memory 1609 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required for at least one function (such as a sound playback function, Image playback function, etc.) etc. Additionally, memory 1609 may include volatile memory or nonvolatile memory, or memory 1609 may include both volatile and nonvolatile memory. Among them, non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synch link DRAM) , SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DRRAM). Memory 1609 in embodiments of the present application includes, but is not limited to, these and any other suitable types of memory.

The processor 1610 may include one or more processing units; optionally, the processor 1610 integrates an application processor and a modem processor, where the application processor mainly handles operations related to the operating system, user interface, application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the above modem processor may not be integrated into the processor 1610.

The processor 1610 is configured to determine at least one target frequency domain resource, where the time domain resource corresponding to the at least one target frequency domain resource is continuous.

Radio frequency unit 1601, configured to transmit the first signal on the at least one target frequency domain resource.

Since the terminal can transmit the first signal on at least one target frequency domain resource with continuous time domain resources, it can ensure that the first signal can be continuously transmitted, thereby improving the transmission success rate of the first signal.

An embodiment of the present application also provides a network-side device, including a communication interface, the communication interface being used to send indication information to a reader; wherein the indication information is used to indicate to the reader at least one target frequency domain resource. Configuration information, the time domain resources corresponding to the at least one target frequency domain resource are continuous, and the at least one target frequency domain resource is used for the reader to transmit the first signal. This network-side device embodiment corresponds to the above-mentioned network-side device method embodiment. Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.

Specifically, the embodiment of the present application also provides a network side device. As shown in FIG. 17 , the network side device 1700 includes: an antenna 171 , a radio frequency device 172 , a baseband device 173 , a processor 174 and a memory 175 . The antenna 171 is connected to the radio frequency device 172 . In the uplink direction, the radio frequency device 172 receives information through the antenna 171 and transmits the received information to sent to the baseband device 173 for processing. In the downlink direction, the baseband device 173 processes the information to be sent and sends it to the radio frequency device 172. The radio frequency device 172 processes the received information and then sends it out through the antenna 171.

The method performed by the network side device in the above embodiment can be implemented in the baseband device 173, which includes a baseband processor.

The baseband device 173 may include, for example, at least one baseband board on which multiple chips are disposed, as shown in FIG. Program to perform the network device operations shown in the above method embodiments.

The network side device may also include a network interface 176, which is, for example, a common public radio interface (CPRI).

Specifically, the network side device 1700 in this embodiment of the present invention also includes: instructions or programs stored in the memory 175 and executable on the processor 174. The processor 174 calls the instructions or programs in the memory 175 to execute the instructions shown in Figure 9 method and achieve the same technical effect. To avoid repetition, we will not repeat it here.

Embodiments of the present application also provide a readable storage medium, with programs or instructions stored on the readable storage medium. When the programs or instructions are executed by a processor, each process of the above communication method or resource configuration method embodiment is implemented, and can achieve the same technical effect, so to avoid repetition, we will not repeat them here.

Wherein, the processor is the processor in the terminal described in the above embodiment. The readable storage medium includes computer readable storage media, such as computer read-only memory ROM, random access memory RAM, magnetic disk or optical disk, etc.

An embodiment of the present application further provides a chip. The chip includes a processor and a communication interface. The communication interface is coupled to the processor. The processor is used to run programs or instructions to implement the above communication method or resource configuration method. Each process of the embodiment can achieve the same technical effect, so to avoid repetition, it will not be described again here.

It should be understood that the chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.

Embodiments of the present application further provide a computer program/program product. The computer program/program product is stored in a non-volatile storage medium. The computer program/program product is executed by at least one processor to implement the above communication. Each process of the method or resource allocation method embodiment can achieve the same technical effect. To avoid duplication, it will not be described again here.

The embodiment of the present application also provides a communication system, including: a reader, a tag, and a network side device. The reader can be used to perform the steps of the communication method as shown in Figure 3 above, and the tag can be used to perform the steps of the communication method as shown in Figure 8 above. As shown in the steps of the communication method, the network side device may be used to perform the steps of the resource configuration method shown in Figure 9 above.

It should be noted that, in this document, the terms "comprising", "comprises" or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or device that includes a series of elements not only includes those elements, It also includes other elements not expressly listed or inherent in the process, method, article or apparatus. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article or apparatus that includes that element. In addition, it should be pointed out that The scope of the methods and apparatus in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but may also include performing functions in a substantially simultaneous manner or in reverse order depending on the function involved. For example, the functions may be performed in the order shown or discussed. The described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. implementation. Based on this understanding, the technical solution of the present application can be embodied in the form of a computer software product that is essentially or contributes to the existing technology. The computer software product is stored in a storage medium (such as ROM/RAM, disk , CD), including several instructions to cause a terminal (which can be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in various embodiments of this application.

The embodiments of the present application have been described above in conjunction with the accompanying drawings. However, the present application is not limited to the above-mentioned specific implementations. The above-mentioned specific implementations are only illustrative and not restrictive. Those of ordinary skill in the art will Inspired by this application, many forms can be made without departing from the purpose of this application and the scope protected by the claims, all of which fall within the protection of this application.

Claims

A communication method, the method includes:

The reader determines at least one target frequency domain resource, wherein the time domain resource corresponding to the at least one target frequency domain resource is continuous;

The reader transmits a first signal on the at least one target frequency domain resource.
The method of claim 1, wherein the first signal includes at least one of the following:

Carrier or continuous wave;

control commands;

Wake-up signal.
The method according to claim 1 or 2, wherein the reader determines at least one target frequency domain resource, including:

The reader determines the at least one target frequency domain resource based on configuration information of the at least one target frequency domain resource.
The method according to claim 3, wherein the configuration information of the at least one target frequency domain resource is determined by at least one of the following methods:

Predefined;

preconfigured;

Network side device instructions.
The method according to claim 3 or 4, wherein the configuration information of the at least one target frequency domain resource includes at least one of the following:

Time domain information of the time domain resource corresponding to the at least one target frequency domain resource, where the time domain information includes at least one of a starting time, an ending time and a duration;

Frequency domain information of the at least one target frequency domain resource, the frequency domain information includes at least one of subband number, frequency position and bandwidth;

The composition of the at least one target frequency domain resource, the composition includes a set of one or more resource blocks RB, or the composition includes a set of one or more subcarriers SC;

Frequency offset between different target frequency domain resources.
The method according to claim 5, wherein the configuration information of the at least one target frequency domain resource includes time domain information of the time domain resource corresponding to the at least one target frequency domain resource, and the time domain information includes a duration , wherein the duration includes at least one of the following:

The duration of transmitting the first signal on the at least one target frequency domain resource;

Handover time for switching between different target frequency domain resources;

The processing time of the first signal.
The method of claim 6, wherein the processing time of the first signal includes a radio frequency retuning time.
The method according to any one of claims 1-7, wherein,

The at least one target frequency domain resource is within the receiving bandwidth and/or transmitting bandwidth of the tag.
The method according to any one of claims 1-8, wherein,

The number of target frequency domain resources is less than or equal to a preset value, and the preset value is determined by at least one of the following methods:

Predefined;

preconfigured;

Network side device instructions.
The method according to claim 2, wherein the first signal is a carrier wave, and the frequency domain resource where the reflected signal from the tag received by the reader includes at least one of the following:

The frequency domain resource where the carrier is located;

Frequency domain resources at a preset interval from the frequency domain resources where the carrier is located.
The method according to claim 10, wherein the frequency domain resource where the reflected signal is located is determined by at least one of the following ways:

Predefined;

preconfigured;

Network side device instructions.
The method according to any one of claims 1-11, wherein,

The reader has full-duplex capability.
The method of claim 12, wherein:

During a first period, the reader has full-duplex capability, wherein the first period is a period during which the reader receives the second signal from the tag.
The method of claim 13, wherein the at least one target frequency domain resource includes a first target frequency domain resource and a second target frequency domain resource, and the second target frequency domain resource is a reflection emitted by the tag. The frequency domain resource where the signal is located, wherein the reader transmits the first signal on the at least one target frequency domain resource, includes:

During the second period, the reader transmits the first signal on the first target frequency domain resource, wherein the second period is the duration required to continuously transmit the first signal;

The method also includes:

During the first time period, the reader receives the second signal on the second target frequency domain resource, wherein the first time period is within the second time period.
The method of claim 13, wherein the at least one target frequency domain resource includes a first target frequency domain resource and a second target frequency domain resource, and the first target frequency domain resource and the second target frequency domain resource are None of the domain resources is the frequency domain resource where the reflected signal emitted by the tag is located. The reader transmits the first signal on the at least one target frequency domain resource, including:

In a second period of time, the reader transmits a first signal on the first target frequency domain resource or the second target frequency domain resource, wherein the second period of time is the period of continuous transmission of the first signal. required duration;

The method also includes:

The reader receives the second signal at the frequency of the reflected signal during the first time period, wherein the first time period is within the second time period.
The method of claim 13, wherein the at least one target frequency domain resource includes a first target frequency domain resource and a second target frequency domain resource, and the first target frequency domain resource is a reflection emitted by the tag. The frequency domain resource where the signal is located, wherein the reader transmits the first signal on the at least one target frequency domain resource, includes:

In a third time period, the reader transmits a first signal on the first target frequency domain resource, wherein the third time period is a time in the second time period other than the first time period, and the third time period is The second period is the duration required for continuous transmission of the first signal;

During the first period, the reader switches to the second target frequency domain resource to transmit the first signal;

The method also includes:

During the first period, the reader receives the second signal on the first target frequency domain resource.
The method according to any one of claims 13-16, wherein,

The second signal includes the tag's reply.
The method according to any one of claims 1-17, wherein,

The reader is one of a base station, an integrated access and backhaul IAB base station, a relay device and a terminal device.
a method of communication,

The tag receives a first signal from the reader on at least one target frequency domain resource;

Wherein, the time domain resource corresponding to the at least one target frequency domain resource is continuous.
The method of claim 19, wherein the first signal includes at least one of the following:

Carrier or continuous wave;

control commands;

Wake-up signal.
The method according to claim 19 or 20, wherein the configuration information of the at least one target frequency domain resource is determined by at least one of the following methods:

Predefined;

preconfigured;

Network side device instructions.
The method according to claim 21, wherein the configuration information of the at least one target frequency domain resource includes at least one of the following:

Time domain information of the time domain resource corresponding to the at least one target frequency domain resource, where the time domain information includes at least one of a starting time, an ending time and a duration;

Frequency domain information of the at least one target frequency domain resource, the frequency domain information includes at least one of subband number, frequency position and bandwidth;

The composition of the at least one target frequency domain resource, the composition includes a set of one or more resource blocks RB, or the composition includes a set of one or more subcarriers SC;

Frequency offset between different target frequency domain resources.
The method according to claim 22, wherein the configuration information of the at least one target frequency domain resource includes time domain information of the time domain resource corresponding to the at least one target frequency domain resource, and the time domain information includes a duration , wherein the duration includes at least one of the following:

The duration of receiving the first signal on the at least one target frequency domain resource;

Handover time for switching between different target frequency domain resources;

The processing time of the first signal.
The method of claim 23, wherein the processing time of the first signal includes a radio frequency retune time.
The method according to any one of claims 19-24, wherein,

The at least one target frequency domain resource is within the receiving bandwidth and/or transmitting bandwidth of the tag.
The method according to any one of claims 19-25, wherein,

The number of target frequency domain resources is less than or equal to a preset value, and the preset value is determined by at least one of the following methods:

Predefined;

preconfigured;

Network side device instructions.
The method according to claim 20, wherein the first signal is a carrier wave, and the frequency domain resource where the reflected signal sent by the tag is located includes at least one of the following:

The frequency domain resource where the carrier is located;

Frequency domain resources at a preset interval from the frequency domain resources where the carrier is located.
The method according to claim 27, wherein the frequency domain resource where the reflected signal is located is determined by at least one of the following ways:

Predefined;

preconfigured;

Network side device instructions.
The method according to any one of claims 19-28, wherein,

The reader has full-duplex capabilities.
The method of claim 29, wherein:

During the first period, the reader has full-duplex capability, wherein the first period is the period during which the tag sends the second signal to the reader.
The method of claim 30, wherein the at least one target frequency domain resource includes a first target frequency domain resource and a second target frequency domain resource, and the second target frequency domain resource is a reflection emitted by the tag. The frequency domain resource where the signal is located, wherein the tag receives the first signal from the reader on at least one target frequency domain resource, includes:

During the second period, the tag receives the first signal from the reader on the first target frequency domain resource. , the second period is the duration required by the reader to continuously transmit the first signal;

The method also includes:

The tag sends the second signal to the reader during the first time period, wherein the first time period is within the second time period.
The method of claim 30, wherein the at least one target frequency domain resource includes a first target frequency domain resource and a second target frequency domain resource, and the first target frequency domain resource and the second target frequency domain resource are None of the domain resources is the frequency domain resource where the reflected signal emitted by the tag is located, wherein the tag receives the first signal from the reader on at least one target frequency domain resource, including:

During the second period, the tag receives the first signal from the reader on the first target frequency domain resource or the second target frequency domain resource, wherein the second period is when the reader continuously the duration required to transmit said first signal;

The method also includes:

During the first time period, the tag transmits the second signal at the frequency of the reflected signal, wherein the first time period is within the second time period.
The method of claim 30, wherein the at least one target frequency domain resource includes a first target frequency domain resource and a second target frequency domain resource, and the first target frequency domain resource is a reflection emitted by the tag. The frequency domain resource where the signal is located, wherein the tag receives the first signal from the reader on at least one target frequency domain resource, includes:

In a third period, the tag receives the first signal from the reader on the first target frequency domain resource, wherein the third period is a time in the second period other than the first period, The second period is the duration required by the reader to continuously transmit the first signal;

During the first period, the tag switches to the second target frequency domain resource to receive the first signal;

The method also includes:

During the first period, the tag sends the second signal on the first target frequency domain resource.
The method according to any one of claims 30-33, wherein,

The second signal includes the tag's reply.
The method according to any one of claims 19-34, wherein,

The reader is one of a base station, an integrated access and backhaul IAB base station, a relay device and a terminal device.
A resource configuration method, the method includes:

The network side device sends instruction information to the reader;

Wherein, the indication information is used to indicate to the reader the configuration information of at least one target frequency domain resource, the time domain resource corresponding to the at least one target frequency domain resource is continuous, and the at least one target frequency domain resource is Transmitting a first signal to the reader.
The method of claim 22, wherein the first signal includes at least one of the following:

Carrier or continuous wave;

control commands;

Wake-up signal.
The method according to claim 36 or 37, wherein the configuration information of the at least one target frequency domain resource includes at least one of the following:

Time domain information of the time domain resource corresponding to the at least one target frequency domain resource, where the time domain information includes at least one of a starting time, an ending time and a duration;

Frequency domain information of the at least one target frequency domain resource, the frequency domain information includes at least one of subband number, frequency position and bandwidth;

The composition of the at least one target frequency domain resource, the composition includes a set of one or more resource blocks RB, or the composition includes a set of one or more subcarriers SC;

Frequency offset between different target frequency domain resources.
The method according to claim 38, wherein the configuration information of the at least one target frequency domain resource includes time domain information of the time domain resource corresponding to the at least one target frequency domain resource, and the time domain information includes a duration , wherein the duration includes at least one of the following:

The duration of transmitting the first information number on the at least one target frequency domain resource;

Handover time for switching between different target frequency domain resources;

The processing time of the first signal.
The method of claim 39, wherein the processing time of the first signal includes a radio frequency retune time.
The method according to any one of claims 36-40, wherein,

The at least one target frequency domain resource is within the receiving bandwidth and/or transmitting bandwidth of the tag.
The method according to any one of claims 36-41, wherein,

The number of target frequency domain resources is less than or equal to a preset value, and the preset value is determined by at least one of the following methods:

Predefined;

preconfigured;

The network side device indicates.
The method according to any one of claims 36-42, wherein,

The reader has full-duplex capabilities.
The method of claim 43, wherein:

During a first period, the reader has full-duplex capability, wherein the first period is a period during which the reader receives the second signal from the tag.
The method of claim 44, wherein the at least one target frequency domain resource includes a first target frequency domain resource and a second target frequency domain resource, and the second target frequency domain resource is a reflection emitted by the tag. The frequency domain resource where the signal is located, where,

The first target frequency domain resource is used by the reader to transmit the first signal in the second period, wherein the The second period is the duration required by the reader to continuously transmit the first signal;

The second target frequency domain resource is used by the reader to receive the second signal within the first time period, wherein the first time period is located within the second time period.
The method of claim 44, wherein the at least one target frequency domain resource includes a first target frequency domain resource and a second target frequency domain resource, and the first target frequency domain resource and the second target frequency domain resource are The domain resources are not the frequency domain resources where the reflected signal emitted by the tag is located, where,

The first target frequency domain resource or the second frequency domain resource is used by the reader to transmit the first signal in a second period, wherein the second period is for the reader to continuously transmit the the required duration of the first signal;

The frequency domain resource where the reflected signal is located is used by the tag to send the second signal to the reader within the first time period, where the first time period is within the second time period.
The method of claim 44, wherein the at least one target frequency domain resource includes a first target frequency domain resource and a second target frequency domain resource, and the first target frequency domain resource is a reflection emitted by the tag. The frequency domain resource where the signal is located, where,

The first target frequency domain resource is used by the reader to transmit the first signal in a third time period, wherein the third time period is a time in the second time period other than the first time period, and the third time period is The second period is the duration required by the reader to continuously transmit the first signal;

The second target frequency domain resource is used by the reader to transmit the first signal within the first period;

The first target frequency domain resource is also used by the reader to receive the second signal within the first period.
The method according to any one of claims 44-47, wherein,

The second signal includes the tag's reply.
The method according to any one of claims 36-48, wherein,

The reader is one of a base station, an integrated access and backhaul IAB base station, a relay device and a terminal device.
A communication device, the device includes:

A determining module, configured to determine at least one target frequency domain resource, wherein the time domain resource corresponding to the at least one target frequency domain resource is continuous;

A transmission module, configured to transmit the first signal on the at least one target frequency domain resource.
A communication device, the device includes:

A signal receiving module, configured to receive the first signal from the reader on at least one target frequency domain resource;

Wherein, the time domain resource corresponding to the at least one target frequency domain resource is continuous.
A resource allocation device, the device includes:

Information sending module, used to send instruction information to the reader;

Wherein, the indication information is used to indicate to the reader the configuration information of at least one target frequency domain resource, the time domain resource corresponding to the at least one target frequency domain resource is continuous, and the at least one target frequency domain resource is Transmitting a first signal to the reader.
A reader includes a processor and a memory, and the memory stores programs that can run on the processor. A program or instruction that, when executed by the processor, implements the steps of the communication method according to any one of claims 1 to 18.
A tag includes a processor and a memory. The memory stores programs or instructions that can be run on the processor. When the program or instructions are executed by the processor, the implementation of any one of claims 19 to 35 is achieved. the steps of the communication method described above.
A network-side device, including a processor and a memory. The memory stores programs or instructions that can be run on the processor. When the program or instructions are executed by the processor, any one of claims 36 to 49 is implemented. The steps of the communication method described in the item.
A readable storage medium on which programs or instructions are stored. When the programs or instructions are executed by a processor, the steps of the communication method according to any one of claims 1 to 35 are implemented, or the steps of the communication method are implemented as described in any one of claims 1-35. The steps of the resource allocation method according to any one of claims 36 to 49.