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WO2025137973A1 - Procédé de communication, dispositif, système de communication, dispositif de communication et support de stockage - Google Patents

Procédé de communication, dispositif, système de communication, dispositif de communication et support de stockage Download PDF

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Publication number
WO2025137973A1
WO2025137973A1 PCT/CN2023/142538 CN2023142538W WO2025137973A1 WO 2025137973 A1 WO2025137973 A1 WO 2025137973A1 CN 2023142538 W CN2023142538 W CN 2023142538W WO 2025137973 A1 WO2025137973 A1 WO 2025137973A1
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WO
WIPO (PCT)
Prior art keywords
resource
condition
signal
canceling
symbol
Prior art date
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Application number
PCT/CN2023/142538
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English (en)
Chinese (zh)
Inventor
赵群
朱亚军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to PCT/CN2023/142538 priority Critical patent/WO2025137973A1/fr
Priority to CN202380095259.6A priority patent/CN120770199A/zh
Publication of WO2025137973A1 publication Critical patent/WO2025137973A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources

Definitions

  • A-IOT devices are electronic devices that collect energy from the environment and use it for communication.
  • the devices can be used in equipment identification and sensors in warehouses, etc., avoiding the cost of configuring and replacing batteries.
  • the embodiments of the present disclosure propose a communication method and device, a communication system, a communication device, and a storage medium, which can be used in the field of communication technology to define resources for uplink and downlink transmissions of A-IOT devices, thereby coordinating resource allocation issues for uplink and downlink transmissions with other cellular communications.
  • a communication method is proposed, which is executed by a terminal, including: determining a first resource and/or a second resource configured by a network device for the terminal, the first resource being used to send a first signal to an A-IOT device, and the second resource being used to receive a second signal sent by the A-IOT device.
  • a communication method is proposed, which is performed by an A-IOT device, including: receiving a first signal sent by a terminal using a first resource, and/or sending a second signal based on backscattering or sending a second signal using a second resource.
  • a communication method is proposed, which is executed by a network device, including: determining a first resource and/or a second resource configured for a terminal, the first resource being used by the terminal to send a first signal to an A-IOT device, and the second resource being used by the terminal to receive a second signal.
  • a terminal comprising a processing module for determining a first resource and/or a second resource configured by a network device for the terminal, the first resource being used to send a first signal to an A-IOT device, and the second resource being used to receive a second signal sent by the A-IOT device.
  • an A-IOT device comprising a transceiver module for receiving a first signal sent by a terminal using a first resource, and/or sending a second signal based on backscattering or using a second resource.
  • a network device comprising a processing module for determining a first resource and/or a second resource configured for a terminal, the first resource being used for the terminal to send a first signal to an A-IOT device, and the second resource being used for the terminal to receive a second signal.
  • a communication device comprising one or more processors; wherein the one or more processors are used to call instructions so that the communication device executes the method described in any one of the first aspect, the second aspect, and the third aspect.
  • a communication system comprising a network device, a terminal, and an A-IOT device, wherein the terminal is configured to implement the communication method described in any one of the first aspect, the A-IOT device is configured to implement the communication method described in any one of the second aspect, and the network device is configured to implement the communication method described in any one of the third aspect.
  • the communication method proposed in the present disclosure by configuring the first resource and the second resource, and determining different solutions when the first resource conflicts with OFDM symbols of uplink and downlink transmissions of other cellular networks, the uplink and downlink transmissions of the A-IOT device and other cellular communications are coordinated.
  • FIG1 is a schematic diagram of the architecture of a communication system provided according to an embodiment of the present disclosure.
  • FIG2 is an interactive schematic diagram of a communication method provided according to an embodiment of the present disclosure.
  • FIG3A is a schematic diagram of a communication method flow of a terminal according to an embodiment of the present disclosure
  • FIG3B is a schematic diagram of a communication method flow of a terminal according to an embodiment of the present disclosure.
  • FIG4 is a flow chart of a communication method for an A-IOT device according to an embodiment of the present disclosure
  • FIG5 is a flow chart of a communication method for a network device according to an embodiment of the present disclosure.
  • FIG6 is an interactive schematic diagram of a communication method provided according to an embodiment of the present disclosure.
  • FIG7A is a schematic diagram of the structure of a terminal provided according to an embodiment of the present disclosure.
  • FIG7B is a schematic diagram of the structure of an A-IOT device provided according to an embodiment of the present disclosure.
  • FIG7C is a schematic diagram of the structure of a network device provided according to an embodiment of the present disclosure.
  • FIG8A is a schematic structural diagram of a communication device provided according to an embodiment of the present disclosure.
  • FIG8B is a schematic diagram of the structure of a chip proposed in an embodiment of the present disclosure.
  • the embodiments of the present disclosure provide a communication method and device, a communication system, a communication device, and a storage medium.
  • an embodiment of the present disclosure provides a communication method, which is executed by a terminal, comprising: determining a first resource and/or a second resource configured by a network device for the terminal, the first resource being used by the terminal to send a first signal to an A-IOT device, and the second resource being used by the terminal to receive a second signal sent by the A-IOT device.
  • the first signal is at least one of the following: an energy source ES signal, the ES signal is used to charge the A-IOT device; a downlink transmission DT signal, the DT signal includes indication information, and the indication information is used to trigger the uplink transmission of the A-IoT device; a continuous wave CW signal, the CW signal is used to trigger the A-IOT device to perform uplink transmission.
  • an energy source ES signal the ES signal is used to charge the A-IOT device
  • a downlink transmission DT signal the DT signal includes indication information, and the indication information is used to trigger the uplink transmission of the A-IoT device
  • a continuous wave CW signal the CW signal is used to trigger the A-IOT device to perform uplink transmission.
  • the method also includes: sending a first signal to the A-IOT device on a first resource, and the first resource satisfies a first condition; wherein the first condition is: the first resource overlaps with at least one of a semi-statically configured flexible OFDM symbol, a semi-statically configured uplink OFDM symbol, an uplink OFDM symbol indicated by the time slot format indication information SFI, or an uplink subband UL SB of a sub-band non-overlapping full-duplex SBFD symbol.
  • the method also includes: performing a first operation on a second resource, and the second resource satisfies a second condition; wherein the second condition is: the first resource overlaps with a semi-statically configured downlink OFDM symbol or a downlink OFDM symbol indicated by the SFI; the first operation includes any one of the following: canceling the first signal transmission in the time slot that satisfies the second condition; canceling the first signal transmission in the OFDM symbol that satisfies the second condition; and processing it as an error situation.
  • the method also includes: performing a first operation on a second resource, and the second resource satisfies a second condition; wherein the second condition is: the first resource overlaps with a flexible OFDM symbol indicated by the SFI; the first operation includes any one of the following: canceling the first signal transmission in the time slot that satisfies the second condition; canceling the first signal transmission in the OFDM symbol that satisfies the second condition; using the first resource to send a first signal to the A-IOT device; and handling it as an error situation.
  • performing the first operation on the first resource includes: performing the first operation when the first resource satisfies the second condition and the first resource belongs to the first group.
  • the first resources configured for the terminal may be grouped dynamically or semi-statically, and different groups may select the same or different processing operations.
  • the first group is at least one of the following: resources used to send ES signals; resources used to send DT signals; resources used to send CW signals.
  • the dynamic and semi-static groups can be further grouped according to the difference of the transmitted signals. Similarly, each group can select the same or different processing operations.
  • the second signal includes any one of the following: an uplink transmission UR signal sent by the A-IOT device based on backscattering or actively sent, and the terminal supports an uplink transmission function.
  • the uplink signal UR sent by the A-IOT device based on backscattering or active transmission can be received.
  • the terminal does not support the uplink transmission function, and the UR signal sent by the A-IOT device based on backscattering or actively sent is received by the first device, and the first device is a device other than the terminal.
  • the uplink signal UR sent by the A-IOT device based on backscattering or active transmission may be received by other devices.
  • the method also includes: receiving a second signal sent by the A-IOT device on a second resource, and the second resource satisfies a third condition; wherein the third condition is: the second resource overlaps with at least one of a semi-statically configured downlink OFDM symbol, a semi-statically configured flexible OFDM symbol, a downlink OFDM symbol indicated by SFI, or a downlink subband DL SB of a sub-band non-overlapping full-duplex SBFD symbol.
  • the terminal when the terminal supports the uplink reception function, further, if the resources for receiving signals configured for the terminal are in the semi-statically configured downlink OFDM symbols, the semi-statically configured flexible OFDM symbols, the downlink OFDM symbols indicated by the SFI, and the downlink sub-band DL SB of the full-duplex SBFD symbol with non-overlapping sub-bands, then reception can be performed normally.
  • the method also includes: performing a second operation on a second resource, and the second resource satisfies a fourth condition; wherein the fourth condition is: the second resource overlaps with a semi-statically configured uplink OFDM symbol or an uplink OFDM symbol indicated by the SFI; the second operation includes any one of the following: canceling the second signal transmission in the time slot that satisfies the fourth condition; canceling the second signal transmission in the OFDM symbol that satisfies the fourth condition; and handling it as an error situation.
  • the second resource configured for the terminal overlaps with the uplink resource configured for the terminal, it is possible to cancel the signal transmission in the overlapping time slot or cancel the signal transmission in the overlapping OFDM symbol or perform error processing.
  • the method also includes: performing a second operation on a second resource, and the second resource satisfies a fourth condition; wherein the fourth condition is: the second resource overlaps with the flexible OFDM symbol indicated by the SFI; the second operation includes any one of the following: canceling the second signal transmission in the time slot that satisfies the fourth condition; canceling the second signal transmission in the OFDM symbol that satisfies the fourth condition; receiving the second signal using the second resource; and processing as an error situation.
  • the method also includes: performing a second operation on a second resource, and the second resource satisfies a fourth condition; wherein the fourth condition is: the second resource overlaps with a semi-statically configured SBFD symbol or a dynamically indicated SBFD symbol; the second operation includes any one of the following: canceling the second signal transmission in the time slot that satisfies the fourth condition; canceling the second signal transmission in the SBFD symbol that satisfies the fourth condition; canceling the second signal transmission of the DL SB of the SBFD symbol that satisfies the fourth condition; canceling the second signal transmission of the UL SB of the SBFD symbol that satisfies the fourth condition; receiving the second signal using the second resource; and handling it as an error situation.
  • the fourth condition is: the second resource overlaps with a semi-statically configured SBFD symbol or a dynamically indicated SBFD symbol
  • the second operation includes any one of the following: canceling the second signal transmission in the time slot that satisfies the fourth condition; canceling the second signal transmission in
  • performing the second operation on the second resource includes: performing the second operation when the second resource satisfies a fourth condition and the second resource belongs to the first group.
  • the first group is at least one of the following: a semi-statically configured time slot or OFDM symbol; a dynamically configured time slot or OFDM symbol.
  • the first group is at least one of the following: resources used to send ES signals; resources used to send DT signals; resources used to send CW signals; resources used to receive UR signals.
  • each group can select a different processing method, or select the same processing method.
  • the method also includes any one of the following: within a first time period, using a first resource to send a CW signal to an A-IOT device, and using a second resource to receive a UR signal sent by the A-IOT device; within a first time period, using a first resource to send a CW signal to an A-IOT device; within a first time period, using a second resource to receive a UR signal sent by an A-IOT device.
  • the terminal may use the first resource to send a CW signal and use the second resource to receive a UR signal simultaneously or at different times.
  • an embodiment of the present disclosure provides a communication method, which is performed by an A-IOT device, including: receiving a first signal sent by a terminal using a first resource, and/or sending a second signal based on backscattering or sending a second signal using a second resource.
  • the A-IOT device may receive a first signal sent by the terminal through the first resource and send a second signal through the second resource based on the first resource and/or the second resource determined by the terminal.
  • the first signal is at least one of the following: an energy source ES signal, the ES signal is used to charge the A-IOT device; a downlink transmission DT signal, the DT signal includes indication information, and the indication information is used to trigger the uplink transmission of the A-IoT device; a continuous wave CW signal, the CW signal is used to trigger the A-IOT device to perform uplink transmission.
  • an energy source ES signal the ES signal is used to charge the A-IOT device
  • a downlink transmission DT signal the DT signal includes indication information, and the indication information is used to trigger the uplink transmission of the A-IoT device
  • a continuous wave CW signal the CW signal is used to trigger the A-IOT device to perform uplink transmission.
  • an embodiment of the present disclosure provides a terminal, comprising a processing module, for determining a first resource and/or a second resource configured by a network device for the terminal, the first resource being used to send a first signal to an A-IOT device, and the second resource being used to receive a second signal.
  • an embodiment of the present disclosure provides an A-IOT device, comprising a transceiver module, for receiving a first signal sent by a terminal using a first resource, and/or sending a second signal based on backscattering or using a second resource.
  • an embodiment of the present disclosure provides a network device, comprising a processing module, for determining a first resource and/or a second resource configured for a terminal, the first resource being used for the terminal to send a first signal to an A-IOT device, and the second resource being used for the terminal to receive a second signal.
  • an embodiment of the present disclosure provides a communication device, comprising: one or more processors; wherein the one or more processors are used to call instructions so that the communication device executes the method described in any one of the embodiments of the first aspect, the second aspect, and the third aspect of the present disclosure.
  • an embodiment of the present disclosure provides a communication system, comprising: a network device, a terminal, and an A-IOT device, wherein the terminal is configured to implement the method described in any one of the embodiments in the first aspect of the present disclosure; the A-IOT device is configured to implement the method described in any one of the embodiments in the second aspect of the present disclosure; and the network device is configured to implement the method described in any one of the embodiments in the third aspect of the present disclosure.
  • an embodiment of the present disclosure provides a storage medium storing instructions, which, when executed on a communication device, enables the communication device to execute a method described in any one of the first, second, and third aspects of the present disclosure.
  • an embodiment of the present disclosure proposes a program product.
  • the communication device executes the method described in the optional implementation manner of the first aspect, the second aspect, and the third aspect.
  • an embodiment of the present disclosure proposes a computer program, which, when executed on a computer, enables the computer to execute the method described in the optional implementation of the first aspect, the second aspect, and the third aspect.
  • an embodiment of the present disclosure provides a chip or a chip system.
  • the chip or chip system includes a processing circuit configured to execute the method described in the optional implementation of the first aspect, the second aspect, and the third aspect.
  • the embodiments of the present disclosure provide a communication method and device, a communication system, a communication device, and a storage medium.
  • the terms such as communication method and information processing method can be replaced with each other, the terms such as network device and information processing device and communication device can be replaced with each other, and the terms such as information processing system and communication system can be replaced with each other.
  • each step in a certain embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined.
  • a solution after removing some steps in a certain embodiment can also be implemented as an independent embodiment, and the order of the steps in a certain embodiment can be arbitrarily exchanged.
  • the optional implementation methods in a certain embodiment can be arbitrarily combined; in addition, the embodiments can be arbitrarily combined, for example, some or all of the steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.
  • A-IOT devices can be divided into three categories. Type A devices do not support energy storage or only support a small amount of energy storage. They work based on backscatter, have the lowest complexity and consume very little power. For example, type A devices need to receive wireless signals to obtain energy to activate the internal receiving and processing module. Type B devices support energy storage and work based on backscatter. Their complexity and power consumption are higher than type A devices, but still maintain a relatively low level. The energy that type B devices can store is still relatively limited. Type C devices support energy storage and work based on active transmission, that is, type C devices amplify and transmit information through power amplifiers. Type C devices generally need to store more energy to support active transmission of information.
  • the name of the A-IOT device 102 is not limited, and it may be, for example, a “first signal receiving device”, a “second signal sending device”, or the like.
  • the network device 103 in the embodiment of the present application is an entity on the network side for transmitting or receiving signals.
  • the network device 103 may be an evolved NodeB (eNB), a transmission point (TRP), a next generation NodeB (gNB) in an NR system, a base station in other future mobile communication systems, or an access node in a wireless fidelity (WiFi) system.
  • eNB evolved NodeB
  • TRP transmission point
  • gNB next generation NodeB
  • WiFi wireless fidelity
  • the embodiment of the present application does not limit the specific technology and specific device form adopted by the network device.
  • the network device provided in the embodiment of the present application may be composed of a central unit (CU) and a distributed unit (DU), wherein the CU may also be referred to as a control unit.
  • CU central unit
  • DU distributed unit
  • the terminal device 101 in the embodiment of the present application is an entity for receiving or transmitting signals on the user side, such as a mobile phone.
  • the terminal device may also be referred to as a terminal device (terminal), a user equipment (UE), a mobile station (MS), a mobile terminal device (MT), etc.
  • the terminal device may be a car with communication function, a smart car, a mobile phone (mobile phone), a wearable device, a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control (industrial control), a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in smart grid (smart grid), a wireless terminal device in transportation safety (transportation safety), a wireless terminal device in a smart city (smart city), a wireless terminal device in a smart home (smart home), etc.
  • the embodiments of the present application do not limit the specific technology and specific device form adopted by the terminal device.
  • Embodiments of the present disclosure may be applied to Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, 4th generation mobile communication system (4G), 5th generation mobile communication system (5G), 5G new radio (NR), future radio access (FRA), new radio access technology (RAT), new radio (NR), new radio access (NX), future generation radio access (FX), Global System for Mobile communications (GSM (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, Ultra-WideBand (UWB), Bluetooth (registered trademark), Public Land Mobile Network (PLMN) network, Device-to-Device (D2D) system, Machine-to-Machine (M2M) system, Internet of Things (IoT) system, Vehicle-to-Everything (V
  • FIG2 is an interactive schematic diagram of a communication method provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure relates to a communication method, which can be executed by a communication system, for example, the communication system 100 shown in FIG1.
  • the communication system includes a terminal, an A-IOT device, and a network device.
  • the interactive method may include the following steps:
  • the network device configures a first resource and/or a second resource for the terminal, the first resource is used for the terminal to send a first signal to the A-IOT device, and the second resource is used for the terminal to receive a second signal sent by the A-IOT device.
  • the terminal may determine the first resource and/or the second resource configured by the network device.
  • the manner in which the network device configures the first resource and the second resource is not limited.
  • the manner in which the network device configures the first resource and the second resource is not limited, and the manner in which the first resource and the second resource are configured may be dynamic or semi-static.
  • the first signal may be an energy source (ES) signal, and the ES signal is used to charge the A-IOT device.
  • ES energy source
  • the first signal may be a downlink transmission (DT) signal, the DT signal including indication information, and the indication information is used to trigger uplink transmission of the A-IOT device.
  • DT downlink transmission
  • the first signal may be a continuous wave (CW) signal, which may be referred to as an excitation signal.
  • CW continuous wave
  • the excitation signal and the continuous wave signal in the present disclosure may be used interchangeably, and the CW signal is used to trigger the uplink transmission of the A-IOT device.
  • the CW signal may also be used as an energy source to charge the A-IOT device.
  • the second signal may be an uplink transmission (Uplink Receiving, UR) signal sent by the A-IOT device based on backscattering.
  • uplink transmission and uplink reception in the present disclosure may be used interchangeably.
  • the second signal may be an uplink signal UR actively sent by the A-IOT device.
  • the network device can configure resources for different purposes to the terminal.
  • the terminal can determine the resources configured by the network device and use the resources to perform corresponding sending and receiving operations:
  • the terminal may determine a first resource configured by the network device, and the first resource may be used by the terminal to send an ES signal to the A-IOT device.
  • the terminal may determine a first resource configured by the network device, and the first resource may be used by the terminal to send a DT signal to the A-IOT device.
  • the terminal may determine a first resource configured by the network device, and the first resource may be used by the terminal to send a CW signal to the A-IOT device.
  • the terminal may determine a second resource configured by the network device, and the second resource may be used by the terminal to receive a UR signal sent by the A-IOT device.
  • the terminal sending ES/DT/CW can be the same as or different from the terminal receiving the UR signal.
  • the UR signal can be a UR signal sent by the A-IOT device based on backscattering, or it can be a UR signal actively sent by the A-IOT device.
  • the terminals sending ES, DT, and CW may be the same or different.
  • the terminal may determine the first resource and/or the second resource in a variety of ways.
  • step 2101 is optional and may be omitted or replaced in different embodiments.
  • the first resource and/or the second resource may be preconfigured, or determined based on the time domain and/or frequency domain resources where the PDSCH or PDCCH is located.
  • the network device sends a first message to the terminal.
  • the first message is used to indicate the first resource and/or the second resource. Further, the first message can also be used to indicate the purpose of the first resource and/or the purpose of the second resource.
  • the first message can be an RRC message, a DCI, etc., which is not limited here.
  • the network device sends a fourth message or a fifth message to the terminal device, wherein the fourth message is used to indicate the first resource.
  • the fourth message includes field 1 and field 2, wherein field 1 is used to indicate the location, sequence number or representation of the first resource, and field 2 is used to indicate that the first resource is suitable for carrying the first signal; the fifth message is used to indicate the second resource.
  • the fifth message includes field 3 and field 4, wherein field 3 is used to indicate the location, sequence number or representation of the second resource, and field 4 is used to indicate that the second resource is suitable for carrying the second signal.
  • Step 2102 The terminal sends a first signal to the A-IOT device through a first resource.
  • the terminal may determine whether the first resource satisfies the first condition.
  • the terminal when the terminal determines that the first resource satisfies the first condition, the first signal is sent to the A-IOT device through the first resource. Conversely, when the terminal determines that the first resource does not satisfy the first condition, the terminal can request the network device to configure the first resource for the terminal to send the first signal to the A-IOT device.
  • the first resource when the first resource satisfies the first condition, the first resource is used to send a first signal to the A-IOT device.
  • the first condition is that the first resource is mapped to a semi-statically configured flexible (Orthogonal Frequency Divisition Multiplexing, OFDM) symbol, a semi-statically configured uplink OFDM symbol, an uplink OFDM symbol indicated by the slot format indication information (SFI), or an uplink subband UL SB of a full-duplex SBFD symbol with non-overlapping subbands.
  • OFDM Orthogonal Frequency Divisition Multiplexing
  • SFI slot format indication information
  • the resource that the terminal uses to send the first signal to the A-IOT device is a resource that satisfies the first condition.
  • the terminal may use the flexible OFDM symbol to send an ES signal to the A-IOT device.
  • the first resource is the resource used by the A-IOT device for receiving and the resource used by the terminal for sending
  • the second resource is the resource used by the A-IOT device for sending and the resource used by the terminal for receiving.
  • the resource types available to the terminal may be predefined by the protocol, wherein the resource types may be time domain and/or frequency domain resources.
  • Step 2103 the terminal performs a first operation.
  • one of the following operations can be performed: canceling the transmission of the first signal in the overlapping time slot; canceling the transmission of the first signal in the overlapping OFDM symbol; or treating it as an error situation.
  • one of the following operations can be performed: cancel the transmission of the first signal in the overlapping time slot; cancel the transmission of the first signal in the overlapping SBFD symbol; cancel the transmission of the first signal in the overlapping part, that is, cancel the transmission of the first signal of the overlapping DL SB; treat it as an error situation.
  • the second condition is that the first resource does not overlap with the dynamically indicated sub-band of the full-duplex SBFD symbol in the downlink sub-band DL SB.
  • the first operation includes any one of the following: canceling the first signal transmission in the time slot that meets the second condition; canceling the first signal transmission of the DL SB in the SBFD symbol that meets the second condition; canceling the first signal transmission in the SBFD symbol that meets the second condition; handling as an error situation.
  • Example 2 of step 2102 several situations are described in detail below, which are Example 6 to Example 10 below:
  • one of the following operations can be performed: canceling the transmission of the first signal in the time slot where the overlap occurs; canceling the transmission of the first signal in the OFDM symbol where the overlap occurs; still performing the transmission of the first signal, that is, the terminal can send the first signal using the downlink OFDM symbol; or processing it as an error situation.
  • the second condition is that the first resource overlaps with the DL SB of a semi-statically configured SBFD symbol
  • the first operation includes any one of the following: canceling the first signal transmission in the time slot that meets the second condition; canceling the first signal transmission in the SBFD symbol that meets the second condition; canceling the first signal transmission of the DL SB of the SBFD symbol that meets the second condition; using the first resource to send the first signal to the A-IOT device; and handling it as an error situation.
  • one of the following operations can be performed: cancel the transmission of the first signal in the time slot where the overlap occurs; cancel the transmission of the first signal in the SBFD symbol where the overlap occurs; cancel the transmission of the first signal in the overlapping part, that is, cancel the transmission of the first signal of the overlapping DL SB; still perform the transmission of the first signal, that is, the DL SB can also be used to send the first signal; handle it as an error situation.
  • the second condition is that the first resource overlaps with the DL SB of a dynamically indicated SBFD symbol
  • the first operation includes any one of the following: canceling the first signal transmission in the time slot that meets the second condition; canceling the first signal transmission in the SBFD symbol that meets the second condition; canceling the first signal transmission of the DL SB of the SBFD symbol that meets the second condition; using the first resource to send the first signal to the A-IOT device; handling it as an error situation.
  • one of the following operations can be performed: cancel the transmission of the first signal in the time slot where the overlap occurs; cancel the transmission of the first signal in the SBFD symbol where the overlap occurs; cancel the transmission of the first signal in the overlapping part, that is, cancel the transmission of the first signal of the overlapping DL SB; still perform the transmission of the first signal, that is, the DL SB can also be used to send the first signal; handle it as an error situation.
  • the resources may be grouped according to their configuration type or resource usage. For example, when the first resource meets the second condition and belongs to the first group, the first operation is performed.
  • dynamically configured resources can be grouped as a group
  • semi-statically configured resources can be grouped as a group.
  • the same approach can be adopted when resource conflicts occur. For example, for the first resource with semi-static configuration, when a resource conflict occurs, the approach of "treating it as an error situation" is adopted.
  • the first group may be resources for sending ES signals, resources for sending DT signals, and resources for sending CW signals.
  • the resources for sending ES signals can be grouped as a group
  • the resources for sending DT signals can be grouped as a group
  • the resources for sending CW signals can be grouped as a group.
  • the same method can be adopted in case of resource conflict.
  • the method of "canceling the first signal transmission of the DL SB of the SBFD symbol that meets the second condition" is adopted.
  • the conflict handling method can be that different processing methods are used for dynamic configuration and semi-static configuration, or the same processing method is used for dynamic configuration and semi-static configuration resources.
  • ES, CW, and DT can be processed in the same way.
  • ES, CW, and DT can be processed in the same way.
  • ES, CW, and DT resources are always processed in the same way.
  • ES, CW, and DT are each processed in different ways.
  • the terminal when the terminal can only send the first signal on the uplink or flexible OFDM symbol, when the first resource configured by the network device overlaps with the downlink or flexible OFDM symbol, the terminal can choose to cancel the overlapping time slot sending signal or cancel the overlapping OFDM sending signal or continue to send on the flexible OFDM or handle it as an error situation; when the first resource overlaps with the DL SB of the semi-statically configured SBFD symbol or the DL SB of the dynamically indicated SBFD symbol, the terminal can choose to cancel the overlapping time slot sending the first signal or cancel the overlapping SBFD symbol sending the first signal or cancel the overlapping DL SB sending the first signal or send the first signal on the DL SB or handle it as an error situation.
  • the terminal can also group according to dynamic configuration or semi-static configuration and ES, CW, DT signals, and different groups can select different processing methods or choose the same processing method.
  • Step 2104 The terminal uses the second resource to receive the second signal sent by the A-IOT device.
  • the terminal may be a device supporting an uplink receiving function, which can receive an uplink signal UR sent by the A-IOT based on backscattering or actively sent.
  • the terminal may be a device that does not support an uplink reception function, and the uplink signal UR sent by the A-IOT device based on backscattering or actively sent can only be received by a first device other than the terminal.
  • the A-IOT device may backscatter and send an uplink signal UR based on a CW signal sent by the terminal.
  • the terminal needs to send a CW signal to the A-IOT device to trigger the A-IOT device to backscatter the uplink signal UR.
  • the A-IOT device may actively send the uplink signal UR.
  • the terminal does not send a CW signal to the A-IOT device, but the A-IOT device may actively send the uplink signal UR to the terminal.
  • the terminal may determine whether the second resource satisfies a third condition.
  • the third condition may be pre-configured locally, or the third condition may be determined by the fourth message.
  • the fourth message may be different conditions in the following examples.
  • the terminal may receive the second signal using the second resource under a different third condition.
  • the second resource may be preconfigured or sent by the network device to the terminal.
  • the terminal when the terminal determines that the second resource satisfies the third condition, the second signal sent by the A-IOT device is received through the second resource. Conversely, when the terminal determines that the second resource does not satisfy the third condition, the terminal can request the network device to configure the second resource for the terminal to receive the second signal sent by the A-IOT device.
  • Example 1 of step 2102 several situations are described in detail below, which are respectively Example 1 to Example 4 below:
  • the second signal is received using the second resource.
  • the third condition is that the second resource is mapped to a semi-statically configured downlink OFDM symbol, a semi-statically configured flexible OFDM symbol, a downlink OFDM symbol indicated by SFI, or a downlink subband DL SB of a full-duplex SBFD symbol with no sub-band overlap.
  • the third condition is that the second resource overlaps with at least one of a semi-statically configured downlink OFDM symbol, a semi-statically configured flexible OFDM symbol, a downlink OFDM symbol indicated by SFI, or a downlink subband DL SB of a full-duplex SBFD symbol with no sub-band overlap.
  • the terminal can use the flexible OFDM symbol to receive the UR signal sent by the A-IOT device.
  • the terminal can use the downlink OFDM symbol to receive the UR signal sent by the A-IOT device.
  • the terminal can use the downlink OFDM symbol to receive the UR signal sent by the A-IOT device.
  • the terminal can use the downlink subband DL SB to receive the UR signal sent by the A-IOT device.
  • the terminal may support receiving the backscattered uplink signal of the A-IOT device on the downlink subband DL SB of the semi-statically configured downlink OFDM symbol, the semi-statically configured flexible OFDM symbol, the SFI-indicated downlink OFDM symbol, or the subband non-overlapping full-duplex SBFD symbol.
  • the terminal can receive the backscattered signal of the CW sent by other devices, such as the base station on the OFDM symbol.
  • the backscattered signal of the A-IoT device received by the terminal may originate from other devices, such as the CW sent by the base station.
  • the A-IoT device may shift the frequency when backscattering the CW, that is, when the CW is located in the ULSB, the backscattered signal of the A-IoT device may still be located in the DLSB.
  • the backscattered signal of the A-IoT device received by the terminal may originate from the UE.
  • a semi-statically configured flexible OFDM symbol a semi-statically configured uplink OFDM symbol, an uplink OFDM symbol indicated by slot format indication information (SFI), or a ULSB of an SBFD symbol, other devices, such as a base station, are used to receive an uplink signal backscattered by an A-IoT device based on the CW of the terminal.
  • SFI slot format indication information
  • the second signal is received using the second resource.
  • the third condition is that the second resource is mapped to a semi-statically configured uplink OFDM symbol, a semi-statically configured flexible OFDM symbol, an uplink OFDM symbol indicated by SFI, or an uplink subband UL SB of a full-duplex SBFD symbol with no sub-band overlap.
  • the third condition is that the second resource overlaps with at least one of a semi-statically configured uplink OFDM symbol, a semi-statically configured flexible OFDM symbol, an uplink OFDM symbol indicated by SFI, or an uplink subband UL SB of a full-duplex SBFD symbol with no sub-band overlap.
  • the terminal may support receiving the second signal backscattered by the A-IOT device, i.e., the uplink signal UR, i.e., the terminal may receive the uplink signal UR of the A-IOT device on a semi-statically configured flexible OFDM symbol, a semi-statically configured uplink OFDM symbol, an uplink OFDM symbol indicated by the SFI, or an uplink subband UL SB of a full-duplex SBFD symbol with non-overlapping subbands.
  • the A-IOT device i.e., the uplink signal UR
  • the terminal may receive the uplink signal UR of the A-IOT device on a semi-statically configured flexible OFDM symbol, a semi-statically configured uplink OFDM symbol, an uplink OFDM symbol indicated by the SFI, or an uplink subband UL SB of a full-duplex SBFD symbol with non-overlapping subbands.
  • the second signal is received using the second resource.
  • the third condition is that the second resource is mapped to a semi-statically configured uplink OFDM symbol, a semi-statically configured flexible OFDM symbol, an uplink OFDM symbol indicated by SFI, or an uplink subband DL SB of a full-duplex SBFD symbol with no sub-band overlap.
  • the third condition is that the second resource overlaps with at least one of a semi-statically configured uplink OFDM symbol, a semi-statically configured flexible OFDM symbol, an uplink OFDM symbol indicated by SFI, or an uplink subband DL SB of a full-duplex SBFD symbol with no sub-band overlap.
  • the terminal may support receiving the backscattered uplink signal of the A-IOT device on the DL SB of the SBFD symbol.
  • the backscattered signal of the A-IOT device received by the terminal may originate from other devices, such as the CW sent by the base station.
  • the A-IOT device may shift the frequency when backscattering the CW, that is, when the CW is located in the UL SB, the backscattered signal of the A-IOT device may still be located in the DL SB.
  • the second signal is received using the second resource.
  • the third condition is that the second resource is mapped to a semi-statically configured flexible OFDM symbol, a semi-statically configured uplink OFDM symbol, an SFI-indicated uplink OFDM symbol, or a SFI-indicated uplink OFDM symbol.
  • the third condition is that the second resource overlaps with at least one of the semi-statically configured flexible OFDM symbol, the semi-statically configured uplink OFDM symbol, the uplink OFDM symbol indicated by the SFI, the uplink subband UL SB of the full-duplex SBFD symbol, and the downlink subband DL SB of the SBFD symbol.
  • the terminal may support receiving a backscattered uplink signal of an A-IOT device on an SBFD symbol, and the backscattered uplink signal may be located on a UL SB or a DL SB.
  • Example 2 of step 2102 several situations are described in detail below, which are Example 5 and Example 6 below:
  • the second signal is received using the second resource.
  • the third condition is that the second resource is mapped to a semi-statically configured downlink OFDM symbol, a semi-statically configured flexible OFDM symbol, a downlink OFDM symbol indicated by SFI, or a DL SB of a SBFD symbol.
  • the third condition is that the second resource overlaps with at least one of a semi-statically configured downlink OFDM symbol, a semi-statically configured flexible OFDM symbol, a downlink OFDM symbol indicated by SFI, or a DL SB of a SBFD symbol.
  • the terminal may support receiving the second signal, i.e., the uplink signal, of the backscattering of the A-IOT device on the DL SB of the semi-statically configured downlink OFDM symbol, the semi-statically configured flexible OFDM symbol, the SFI-indicated downlink OFDM symbol, or the SBFD symbol.
  • the terminal may use other methods to process the UR resources.
  • the second signal is received using the second resource.
  • the third condition is that the second resource is mapped to a semi-statically configured uplink OFDM symbol, a semi-statically configured flexible OFDM symbol, or an uplink OFDM symbol indicated by the SFI.
  • the third condition is that the second resource overlaps with at least one of a semi-statically configured uplink OFDM symbol, a semi-statically configured flexible OFDM symbol, and an uplink OFDM symbol indicated by the SFI.
  • the terminal may support receiving the second signal, i.e., the uplink signal, of the backscatter of the A-IOT device on a semi-statically configured flexible OFDM symbol, a semi-statically configured uplink OFDM symbol, or an uplink OFDM symbol indicated by SFI.
  • the terminal may use other methods to process the UR resources.
  • Step 2105 the terminal performs a second operation.
  • the terminal may determine whether the second resource satisfies a fourth condition.
  • the terminal performs the second operation when the second resource satisfies a fourth condition.
  • the second operation performed by the terminal may be different, that is, when the second resource is different, the operation performed by the terminal is different.
  • the fourth condition may be pre-configured locally.
  • the fourth condition may be determined by the fifth message.
  • the fifth message may have different content.
  • Example 1 of step 2102 several situations are described in detail below, which are respectively Example 1 to Example 4 below:
  • the fourth condition is that the second resource overlaps with a semi-statically configured uplink OFDM symbol; the second operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the OFDM symbol that meets the fourth condition; processing as an error situation.
  • one of the following operations can be performed: cancel the second signal transmission in the time slot where the overlapping part occurs, that is, receive the uplink transmission of A-IOT; cancel the second signal transmission in the overlapping OFDM symbol, that is, receive the uplink transmission of A-IOT; treat it as an error situation.
  • the fourth condition is that the second resource overlaps with the uplink OFDM symbol indicated by the SFI; the second operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the OFDM symbol that meets the fourth condition; processing as an error situation.
  • one of the following operations can be performed: canceling the second signal transmission, i.e., the uplink transmission, of A-IOT received in the time slot where the overlapping part occurs; canceling the second signal transmission, i.e., the uplink transmission, of A-IOT received in the overlapping part, i.e., canceling the second signal transmission, i.e., the uplink transmission, of A-IOT received in the overlapping OFDM symbol; treating it as an error situation.
  • the fourth condition is that the second resource overlaps with the flexible OFDM symbol indicated by the SFI; the fourth operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the OFDM symbol that meets the fourth condition; using the second resource to receive the second signal; processing as an error situation.
  • one of the following operations can be performed: cancel the second signal transmission, i.e., the uplink transmission, of A-IOT received in the time slot where the overlap occurs; cancel the uplink transmission of A-IOT received in the overlapping part, i.e., cancel the second signal transmission, i.e., the uplink transmission, of A-IOT received in the overlapping OFDM symbol; still receive the uplink transmission of the A-IOT device, i.e., the flexible OFDM symbol can also receive the uplink transmission of the A-IOT device; and handle it as an error situation.
  • the fourth condition is that the second resource overlaps with the UL SB of a semi-statically configured SBFD symbol; the fourth operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the SBFD symbol that meets the fourth condition; canceling the second signal transmission of the UL SB in the SBFD symbol that meets the fourth condition; and handling it as an error situation.
  • one of the following operations can be performed: cancel the uplink transmission of A-IOT received in the time slot where the overlap occurs, that is, the transmission of the second signal; cancel the uplink transmission of A-IOT received in the overlapping SBFD symbol, cancel the uplink transmission of A-IOT received in the overlapping part, that is, cancel the second signal transmission of A-IOT received in the overlapping UL SB; handle it as an error situation.
  • the fourth condition is that the second resource overlaps with the UL SB of the dynamically indicated SBFD symbol; the fourth operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the SBFD symbol that meets the fourth condition; canceling the second signal transmission of the UL SB in the SBFD symbol that meets the fourth condition; and handling it as an error situation.
  • one of the following operations can be performed: cancel the uplink transmission of A-IOT received in the time slot where the overlap occurs, that is, the transmission of the second signal; cancel the uplink transmission of A-IOT received in the overlapping SBFD symbol, cancel the uplink transmission of A-IOT received in the overlapping part, that is, cancel the second signal transmission of A-IOT received in the overlapping UL SB; handle it as an error situation.
  • the fourth condition is that the second resource overlaps with the downlink OFDM symbol indicated by the SFI; the second operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the OFDM symbol that meets the fourth condition; processing as an error situation.
  • one of the following operations can be performed: canceling the uplink transmission of A-IOT received in the overlapping time slot, that is, the transmission of the second signal; canceling the uplink transmission of A-IOT received in the overlapping part, that is, canceling the uplink transmission of A-IOT received in the overlapping OFDM symbol; still receiving the uplink transmission of the A-IOT device, that is, the flexible OFDM symbol can also receive the uplink transmission of the A-IOT device; processing it as an error situation.
  • the fourth condition is that the second resource overlaps with the DL SB of the dynamically indicated SBFD symbol; the fourth operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the SBFD symbol that meets the fourth condition; canceling the second signal transmission of the DL SB in the SBFD symbol that meets the fourth condition; and handling it as an error situation.
  • one of the following operations can be performed: cancel the uplink transmission of A-IOT received in the time slot where the overlap occurs, that is, the transmission of the second signal; cancel the uplink transmission of A-IOT received in the overlapping SBFD symbol, that is, the transmission of the second signal; cancel the uplink transmission of A-IOT received in the overlapping part, that is, cancel the reception of the second signal transmission in the overlapping DL SB; and handle it as an error situation.
  • the terminal can support receiving the uplink signal backscattered by the A-IOT device on the DL SB of the SBFD symbol, the following method can be used to process other types of OFDM symbols or SBs in a time slot:
  • the fourth condition is that the second resource overlaps with a semi-statically configured downlink OFDM symbol; the second operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the OFDM symbol that meets the fourth condition; processing as an error situation.
  • one of the following operations can be performed: canceling the uplink transmission of A-IOT received in the overlapping time slot, that is, the transmission of the second signal; canceling the uplink transmission of A-IOT received in the overlapping part, that is, canceling the uplink transmission of A-IOT received in the overlapping OFDM symbol; treating it as an error situation.
  • the fourth condition is that the second resource overlaps with the downlink OFDM symbol indicated by the SFI; the second operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the OFDM symbol that meets the fourth condition; processing as an error situation.
  • one of the following operations can be performed: canceling the uplink transmission of A-IOT received in the time slot of the overlapping part, that is, the transmission of the second signal; canceling the uplink transmission of A-IOT received in the overlapping part, that is, canceling the uplink transmission of A-IOT received in the overlapping OFDM symbol; treating it as an error situation.
  • the fourth condition is that the second resource overlaps with the flexible OFDM symbol indicated by the SFI; the fourth operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the OFDM symbol that meets the fourth condition; using the second resource to receive the second signal; processing as an error situation.
  • one of the following operations can be performed: canceling the uplink transmission of A-IOT received in the overlapping time slot, that is, the transmission of the second signal; canceling the uplink transmission of A-IOT received in the overlapping part, that is, canceling the uplink transmission of A-IOT received in the overlapping OFDM symbol; still receiving the uplink transmission of the A-IOT device, that is, the flexible OFDM symbol can also receive the uplink transmission of the A-IOT device; processing it as an error situation.
  • the fourth condition is that the second resource overlaps with the UL SB of a semi-statically configured SBFD symbol; the fourth operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the SBFD symbol that meets the fourth condition; canceling the second signal transmission of the UL SB in the SBFD symbol that meets the fourth condition; and handling it as an error situation.
  • one of the following operations can be performed: canceling the uplink transmission of A-IOT received in the overlapping time slot, that is, the transmission of the second signal; canceling the uplink transmission of A-IOT received in the overlapping SBFD symbol, that is, the transmission of the second signal; canceling the uplink transmission of A-IOT received in the overlapping part, that is, canceling the reception of the second signal transmission in the overlapping UL SB; and handling it as an error situation.
  • the fourth condition is that the second resource overlaps with the UL SB of the dynamically indicated SBFD symbol; the fourth operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the SBFD symbol that meets the fourth condition; canceling the second signal transmission of the UL SB in the SBFD symbol that meets the fourth condition; and handling it as an error situation.
  • one of the following operations can be performed: cancel the uplink transmission of A-IOT received in the time slot where the overlap occurs, that is, the transmission of the second signal; cancel the uplink transmission of A-IOT received in the overlapping SBFD symbol, that is, the transmission of the second signal; cancel the uplink transmission of A-IOT received in the overlapping part, that is, cancel the reception of the second signal transmission in the overlapping UL SB; and handle it as an error situation.
  • the terminal can support receiving the backscattered uplink signal of the A-IOT device on the SBFD symbol, and the backscattered uplink signal can be located in the UL SB or DL SB, the following method can be used to process other types of OFDM symbols or SBs in a time slot:
  • the fourth condition is that the second resource overlaps with a semi-statically configured downlink OFDM symbol; the second operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the OFDM symbol that meets the fourth condition; processing as an error situation.
  • one of the following operations can be performed: canceling the uplink transmission of A-IOT received in the overlapping time slot, that is, the transmission of the second signal; canceling the uplink transmission of A-IOT received in the overlapping part, that is, canceling the uplink transmission of A-IOT received in the overlapping OFDM symbol; treating it as an error situation.
  • the fourth condition is that the second resource overlaps with the downlink OFDM symbol indicated by the SFI; the second operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the OFDM symbol that meets the fourth condition; processing as an error situation.
  • one of the following operations can be performed: canceling the uplink transmission of A-IOT received in the time slot of the overlapping part, that is, the transmission of the second signal; canceling the uplink transmission of A-IOT received in the overlapping part, that is, canceling the uplink transmission of A-IOT received in the overlapping OFDM symbol; treating it as an error situation.
  • the fourth condition is that the second resource overlaps with the flexible OFDM symbol indicated by the SFI; the fourth operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the OFDM symbol that meets the fourth condition; using the second resource to receive the second signal; processing as an error situation.
  • one of the following operations can be performed: canceling the uplink transmission of A-IOT received in the overlapping time slot, that is, the transmission of the second signal; canceling the uplink transmission of A-IOT received in the overlapping part, that is, canceling the uplink transmission of A-IOT received in the overlapping OFDM symbol; still receiving the uplink transmission of the A-IOT device, that is, the flexible OFDM symbol can also receive the uplink transmission of the A-IOT device; processing it as an error situation.
  • the fourth condition is that the second resource overlaps with a semi-statically configured SBFD symbol; the fourth operation includes any one of the following: canceling the second signal transmission in the time slot that satisfies the fourth condition; canceling the second signal transmission in the SBFD symbol that satisfies the fourth condition; canceling the second signal transmission of the DL SB in the SBFD symbol that satisfies the fourth condition; canceling the second signal transmission of the UL SB in the SBFD symbol that satisfies the fourth condition; receiving the second signal using the second resource; and processing as an error situation.
  • one of the following operations may be performed: cancel the uplink transmission of A-IOT received in the time slot where the overlap occurs, that is, the transmission of the second signal; cancel the uplink transmission of A-IOT received in the overlapping SBFD symbol, that is, the transmission of the second signal; cancel the uplink transmission of A-IOT received in the overlapping part of DL SB, that is, cancel the reception of the second signal transmission in the overlapping DL SB; cancel the uplink transmission of A-IOT received in the overlapping part of UL SB, that is, cancel the reception of the second signal transmission in the overlapping UL SB; still receive the uplink transmission of the A-IOT device, that is, use the second resource to receive the second signal; and handle it as an error situation.
  • the fourth condition is that the second resource overlaps with the dynamically indicated SBFD symbol; the fourth operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the SBFD symbol that meets the fourth condition; canceling the second signal transmission of the DL SB in the SBFD symbol that meets the fourth condition; canceling the second signal transmission of the UL SB in the SBFD symbol that meets the fourth condition; receiving the second signal using the second resource; and processing as an error situation.
  • one of the following operations may be performed: canceling the uplink transmission of the A-IOT received in the overlapping time slot, that is, the transmission of the second signal; canceling the uplink transmission of the A-IOT received in the overlapping SBFD symbol; The uplink transmission of A-IOT, that is, the transmission of the second signal; canceling the reception of the uplink transmission of A-IOT in the overlapping part of DL SB, that is, canceling the reception of the second signal transmission in the overlapping DL SB; canceling the reception of the uplink transmission of A-IOT in the overlapping part of UL SB, that is, canceling the reception of the second signal transmission in the overlapping UL SB; still receiving the uplink transmission of the A-IOT device, that is, using the second resource to receive the second signal; processing as an error situation.
  • Example 2 of step 2102 several situations are described in detail below, which are Example 5 and Example 6 below:
  • the fourth condition is that the second resource overlaps with a semi-statically configured uplink OFDM symbol; the second operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the OFDM symbol that meets the fourth condition; using the second resource to receive the second signal; processing as an error situation.
  • one of the following operations can be performed: canceling the uplink transmission of A-IOT received in the time slot of the overlapping part, that is, the transmission of the second signal; canceling the uplink transmission of A-IOT received in the overlapping part, that is, canceling the uplink transmission of A-IOT received in the overlapping OFDM symbol; still receiving the uplink transmission of the A-IOT device, that is, the terminal supports receiving the uplink transmission of the A-IOT device on the uplink OFDM symbol; and handling it as an error situation.
  • the fourth condition is that the second resource overlaps with the uplink OFDM symbol indicated by the SFI; the second operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the OFDM symbol that meets the fourth condition; using the second resource to receive the second signal; processing as an error situation.
  • one of the following operations can be performed: canceling the uplink transmission of A-IOT received in the time slot of the overlapping part, that is, the transmission of the second signal; canceling the uplink transmission of A-IOT received in the overlapping part, that is, canceling the uplink transmission of A-IOT received in the overlapping OFDM symbol; still receiving the uplink transmission of the A-IOT device, that is, the terminal supports receiving the uplink transmission of the A-IOT device on the uplink OFDM symbol; and handling it as an error situation.
  • the fourth condition is that the second resource overlaps with the flexible OFDM symbol indicated by the SFI; the second operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the OFDM symbol that meets the fourth condition; using the second resource to receive the second signal; processing as an error situation.
  • one of the following operations can be performed: canceling the uplink transmission of A-IOT received in the time slot of the overlapping part, that is, the transmission of the second signal; canceling the uplink transmission of A-IOT received in the overlapping part, that is, canceling the uplink transmission of A-IOT received in the overlapping part, that is, canceling the uplink transmission of A-IOT received in the overlapping OFDM symbol; still receiving the uplink transmission of the A-IOT device, that is, the terminal supports receiving the uplink transmission of the A-IOT device on the flexible OFDM symbol; and handling it as an error situation.
  • the fourth condition is that the second resource overlaps with the UL SB of a semi-statically configured SBFD symbol; the second operation includes any one of the following: canceling the second signal transmission in the time slot that satisfies the fourth condition; canceling the second signal transmission in the SBFD symbol that satisfies the fourth condition; canceling the second signal transmission of the UL SB of the SBFD symbol that satisfies the fourth condition; receiving the second signal using the second resource; and processing as an error condition.
  • one of the following operations can be performed: cancel the uplink transmission of A-IOT received in the time slot of the overlapping part, that is, the transmission of the second signal; cancel the uplink transmission of A-IOT received in the overlapping SBFD symbol, that is, cancel the second signal transmission in the overlapping SBFD symbol; cancel the uplink transmission of A-IOT received in the overlapping part, that is, cancel the second signal transmission in the overlapping UL SB; still receive the uplink transmission of the A-IOT device, that is, the terminal supports receiving the uplink transmission of the A-IOT device on the UL SB; and handle it as an error situation.
  • the fourth condition is that the second resource overlaps with the UL SB of the dynamically indicated SBFD symbol; the second operation includes any one of the following: canceling the second signal transmission in the time slot that satisfies the fourth condition; canceling the second signal transmission in the SBFD symbol that satisfies the fourth condition; canceling the second signal transmission of the UL SB of the SBFD symbol that satisfies the fourth condition; receiving the second signal using the second resource; and processing as an error condition.
  • one of the following operations may be performed: canceling the uplink transmission of A-IOT received in the time slot of the overlapping part, that is, the transmission of the second signal; canceling the uplink transmission of A-IOT received in the overlapping SBFD symbol, that is, canceling the transmission of the second signal in the overlapping SBFD symbol; canceling the uplink transmission of A-IOT received in the overlapping part.
  • the fourth condition is that the second resource overlaps with a semi-statically configured downlink OFDM symbol; the second operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the OFDM symbol that meets the fourth condition; using the second resource to receive the second signal; processing as an error situation.
  • one of the following operations can be performed: cancel the uplink transmission of A-IOT received in the time slot of the overlapping part, that is, the transmission of the second signal; cancel the uplink transmission of A-IOT received in the overlapping part, that is, cancel the uplink transmission of A-IOT received in the overlapping part, that is, cancel the uplink transmission of A-IOT received in the overlapping OFDM symbol; still receive the uplink transmission of the A-IOT device, that is, the terminal supports receiving the uplink transmission of the A-IOT device on the downlink OFDM symbol; and handle it as an error situation.
  • the fourth condition is that the second resource overlaps with the downlink OFDM symbol indicated by the SFI; the second operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the OFDM symbol that meets the fourth condition; using the second resource to receive the second signal; processing as an error situation.
  • one of the following operations can be performed: canceling the uplink transmission of A-IOT received in the time slot of the overlapping part, that is, the transmission of the second signal; canceling the uplink transmission of A-IOT received in the overlapping part, that is, canceling the uplink transmission of A-IOT received in the overlapping part, that is, canceling the uplink transmission of A-IOT received in the overlapping OFDM symbol; still receiving the uplink transmission of the A-IOT device, that is, the terminal supports receiving the uplink transmission of the A-IOT device on the downlink OFDM symbol; and handling it as an error situation.
  • the fourth condition is that the second resource overlaps with the flexible OFDM symbol indicated by the SFI; the second operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the OFDM symbol that meets the fourth condition; using the second resource to receive the second signal; processing as an error situation.
  • one of the following operations can be performed: canceling the uplink transmission of A-IOT received in the time slot of the overlapping part, that is, the transmission of the second signal; canceling the uplink transmission of A-IOT received in the overlapping part, that is, canceling the uplink transmission of A-IOT received in the overlapping part, that is, canceling the uplink transmission of A-IOT received in the overlapping OFDM symbol; still receiving the uplink transmission of the A-IOT device, that is, the terminal supports receiving the uplink transmission of the A-IOT device on the flexible OFDM symbol; and handling it as an error situation.
  • the fourth condition is that the second resource overlaps with a semi-statically configured SBFD symbol;
  • the second operation includes any one of the following: canceling the second signal transmission in the time slot that satisfies the fourth condition; canceling the second signal transmission in the SBFD symbol that satisfies the fourth condition; canceling the second signal transmission of the DL SB of the SBFD symbol that satisfies the fourth condition; canceling the second signal transmission of the UL SB of the SBFD symbol that satisfies the fourth condition; receiving the second signal using the second resource; and processing as an error situation.
  • one of the following operations can be performed: cancel the uplink transmission of A-IOT received in the time slot of the overlapping part, that is, the transmission of the second signal; cancel the uplink transmission of A-IOT received in the overlapping SBFD symbol, that is, cancel the second signal transmission in the overlapping SBFD symbol; cancel the uplink transmission of A-IOT received in the overlapping part of DL SB, that is, cancel the second signal transmission in the overlapping DL SB; cancel the uplink transmission of A-IOT received in the overlapping part of UL SB, that is, cancel the second signal transmission in the overlapping UL SB; still receive the uplink transmission of the A-IOT device, that is, the terminal supports receiving the uplink transmission of the A-IOT device on the UL SB; and handle it as an error situation.
  • the fourth condition is that the second resource overlaps with the dynamically indicated SBFD symbol; the second operation includes any one of the following: canceling the second signal transmission in the time slot that meets the fourth condition; canceling the second signal transmission in the SBFD symbol that meets the fourth condition; canceling the second signal transmission of the DL SB of the SBFD symbol that meets the fourth condition; canceling the second signal transmission of the UL SB of the SBFD symbol that meets the fourth condition; receiving the second signal using the second resource; and processing as an error situation.
  • one of the following operations may be performed: canceling the uplink transmission of A-IOT received in the time slot of the overlapping part, that is, the transmission of the second signal; canceling the uplink transmission of A-IOT received in the overlapping SBFD symbol, that is, canceling the transmission of the second signal in the overlapping SBFD symbol; canceling the uplink transmission of A-IOT received in the overlapping part of the DL SB;
  • the uplink transmission of the A-IOT device is still received, that is, the terminal supports receiving the uplink transmission of the A-IOT device on the UL SB; and the uplink transmission of the A-IOT device is processed as an error.
  • the resources may be grouped according to their configuration type or resource usage. For example, when the second resource meets the fourth condition and belongs to the first group, the second operation is performed.
  • the second operation is performed, that is, different groups may select different processing methods or the same processing method.
  • the first group may be a semi-statically configured time slot or OFDM symbol; a dynamically configured time slot or OFDM symbol.
  • dynamically configured resources can be grouped as a group
  • semi-statically configured resources can be grouped as a group.
  • the same approach can be adopted in the event of a resource conflict.
  • the approach of "canceling the second signal transmission in the time slot that meets the fourth condition" is adopted.
  • the first group may be resources for sending ES signals, resources for sending DT signals, resources for sending CW signals, and resources for receiving UR signals.
  • the resources for sending ES signals can be grouped as a group
  • the resources for sending DT signals can be grouped as a group
  • the resources for sending CW signals can be grouped as a group
  • the resources for receiving UR signals can be grouped as a group.
  • the same method can be adopted in case of resource conflict.
  • the method of "canceling the second signal transmission of the DL SB of the SBFD symbol that meets the fourth condition" is adopted.
  • the conflict handling method can be that the dynamic configuration and the semi-static configuration use different processing methods, or it can be that the dynamic configuration and the semi-static configuration resources use the same processing method.
  • ES, CW, DT, and UR resources can be processed in the same way.
  • CW and UR can be processed in the same way.
  • ES, CW, and DT resources are always processed in the same way.
  • ES, CW, DT, and UR resources are always processed in the same way.
  • ES, CW, DT, and UR resources are each processed in a different way.
  • the terminal when the terminal can receive the second signal on the uplink, downlink or flexible OFDM symbol, when the second resource configured by the network device overlaps with the downlink or flexible OFDM symbol, the terminal can choose to cancel the overlapping time slot reception signal or cancel the overlapping OFDM reception signal or continue to receive on the second resource or process it as an error situation.
  • the terminal can also group according to dynamic configuration or semi-static configuration and ES, CW, DT, UR signals, and different groups can select different processing methods or select the same processing method.
  • the terminal when the first resource and the second resource configured by the network device for the terminal overlap with the uplink, downlink or flexible OFDM symbol, the terminal can select different processing methods according to different situations to solve the conflict between the signal transmission between the terminal and the A-IOT device and the uplink and downlink OFDM symbols.
  • the use of the first resource to send a CW signal to the A-IOT device and the use of the second resource to receive the UR signal sent by the A-IOT device can be in the same time period or in different time periods.
  • a terminal it can be used only to transmit CW for a period of time, or only to receive the uplink signal UR of the A-IOT device.
  • terminal 1 transmits CW to the A-IOT device
  • terminal 2 receives the uplink signal UR of the A-IOT device based on the backscattering of the CW, that is, half-duplex.
  • a terminal can simultaneously transmit CW and receive the uplink signal UR of the A-IOT device, that is, full-duplex.
  • step 2102, step 2103 and step 2104, step 2105 may be executed simultaneously or separately.
  • a CW signal is sent to an A-IOT device using a first resource, and a UR signal sent by the A-IOT device is received using a second resource.
  • a CW signal is sent to an A-IOT device using a first resource.
  • a second resource is used to receive a UR signal sent by the A-IOT device.
  • the communication method involved in the embodiment of the present disclosure may include at least one of steps 2101 to 2105.
  • step 2101 may be tried as an independent embodiment
  • step 2102 may be implemented as an independent embodiment, and so on, but is not limited thereto.
  • Step 2101+2102, step Step 2101+2102+2103, step 2101+2102+2104, step 2101+2102+2103+2104, step 2101+2102+2104+2105, and step 2101+2102+2103+2104+2105 can be implemented as independent embodiments, but are not limited to this.
  • step 2104 and step 2105 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other implementation modes or other examples.
  • FIG3A is a flow chart of a communication method of a terminal according to an embodiment of the present disclosure.
  • the present disclosure embodiment relates to a communication method, and the method includes:
  • Step 3101 determine the first resource and/or the second resource configured by the network device.
  • step 3101 can refer to the optional implementation of step 2101 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.
  • Step 3102 Send a first signal to the A-IOT device through a first resource.
  • step 3102 please refer to the optional implementation of step 2102 in FIG. 2 and other related parts in the embodiment involved in FIG. 2, which will not be described in detail here.
  • Step 3103 perform the first operation.
  • step 3103 please refer to the optional implementation of step 2103 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.
  • Step 3104 Use a second resource to receive a second signal sent by the A-IOT device.
  • step 3104 please refer to the optional implementation of step 2104 in FIG. 2 and other related parts in the embodiment involved in FIG. 2 , which will not be described in detail here.
  • Step 3105 perform the second operation.
  • step 3105 please refer to the optional implementation of step 2105 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.
  • the communication method involved in the embodiment of the present disclosure may include at least one of steps 3101 to 3105.
  • step 3101 may be implemented as an independent embodiment
  • step 3102 may be implemented as an independent embodiment. And so on, but not limited to this.
  • Step 3101+3102, step 3101+3102+3103, step 3101+3102+3104, step 3101+3102+3103+3104, step 3101+3102+3104+3105, step 3101+3102+3103+3104+3105 may be implemented as independent embodiments, but not limited to this.
  • step 3104 and step 3105 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • FIG3B is a flow chart of a communication method of a terminal according to an embodiment of the present disclosure.
  • the present disclosure embodiment relates to a communication method, and the method includes:
  • Step 3201 determine the first resource and/or the second resource configured by the network device.
  • the first resource is used by the terminal to send a first signal to the A-IOT device
  • the second resource is used by the terminal to receive a second signal sent by the A-IOT device.
  • step 3201 can refer to step 2101 of FIG. 2 , the optional implementation of step 3101 of FIG. 3A , and other related parts in the embodiments involved in FIG. 2 and FIG. 3A , which will not be described in detail here.
  • step 3201 may be combined with step 3102 in FIG. 3A .
  • Figure 4 is a flow chart of a communication method for an A-IOT device according to an embodiment of the present disclosure.
  • the present disclosure embodiment relates to a communication method, and the method includes:
  • Step 4101 receiving a first signal sent by a terminal using a first resource.
  • step 4101 can refer to step 2102 and step 2103 of Figure 2, step 3102 and step 3103 of Figure 3A, and other related parts in the embodiments involved in Figures 2 and 3A, which will not be repeated here.
  • Step 4102 sending a second signal to the terminal.
  • step 4102 can refer to step 2104 and step 2105 of Figure 2, step 3104 and step 3105 of Figure 3A, and other related parts in the embodiments involved in Figures 2 and 3A, which will not be repeated here.
  • the communication method involved in the embodiment of the present disclosure may include at least one of steps 4101 to 4102.
  • step 4101 may be implemented as an independent embodiment
  • step 4102 may be implemented as an independent embodiment
  • steps 4101+4102 may be implemented as independent embodiments.
  • step 4102 is optional and may be omitted or replaced in different embodiments.
  • Figure 5 is a flow chart of a communication method for a network device according to an embodiment of the present disclosure.
  • the present disclosure embodiment relates to a communication method, and the method includes:
  • Step 5101 Determine the first resource and/or the second resource configured for the terminal.
  • step 5101 can refer to step 2101 of FIG. 2 , step 3101 of FIG. 3A , and other related parts in the embodiments involved in FIG. 2 and FIG. 3A , which will not be described in detail here.
  • FIG6 is an interactive schematic diagram of a communication method provided according to an embodiment of the present disclosure. As shown in FIG6 , an embodiment of the present disclosure relates to a communication method, and the method includes:
  • Step 6101 The network device configures the first resource and/or the second resource to the terminal.
  • the first resource is used by the terminal to send a first signal to the A-IOT device
  • the second resource is used by the terminal to receive a second signal sent by the A-IOT device.
  • step 6101 can refer to the optional implementation methods of step 2101 in Figure 2, step 3101 in Figure 3A, step 3201 in Figure 3B, step 5101 in Figure 5, and other related parts in the embodiments involved in Figures 2, 3A, 3B, and 5, which will not be repeated here.
  • the above method may include the method described in the above embodiments of the network device side, terminal side, A-IOT device side, etc., which will not be repeated here.
  • each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other implementation modes or other examples.
  • a device in the network can support one or more functions.
  • A-IoT device achieves uplink transmission through backscatter CW.
  • CW is actually also an energy source.
  • A-IOT devices can receive CW and store energy.
  • ES signals other than CW can be undefined.
  • ES signals can also be used for device type A.
  • Uplink receiving function receiving uplink information backscattered by A-IoT devices, or receiving uplink information actively transmitted by A-IoT devices.
  • the above-mentioned device can also perform uplink and downlink transmission of the cellular network.
  • the network needs to coordinate the above-mentioned functions and the resource allocation for uplink and downlink transmission on the cellular network.
  • the resource allocation for uplink and downlink transmission on the cellular network can also support sub-band non-overlapping full-duplex (SBFD), that is, within one OFDM symbol, the frequency band used for downlink transmission (UL SB) and the frequency band for uplink reception (DL SB) are frequency division multiplexed.
  • SBFD sub-band non-overlapping full-duplex
  • the device that performs one or more of the above-mentioned ES, DT, CW or UR functions may be a UE.
  • the ES, DT, CW or UR resources of the UE may be semi-statically configured or dynamically indicated.
  • a channel or signal can support both ES and CW functions at the same time, so that only resource configuration is required for the one channel or signal.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the ES, CW or DT resources of the UE can be mapped to a semi-statically configured flexible OFDM symbol, a semi-statically configured uplink OFDM symbol, an uplink OFDM symbol indicated by the slot format indication information (SFI), or a UL SB of an SBFD symbol in a time slot.
  • SFI slot format indication information
  • the UE can process any signal of the ES, CW and DT resources using the following method:
  • one of the following processing methods may be adopted: cancelling the transmission of the signal in the time slot where the overlap occurs; cancelling the transmission of the signal in the overlapping part; treating it as an error case.
  • one of the following processing methods may be used: cancel the transmission of the signal in the time slot where the overlap occurs; cancel the transmission of the signal in the overlapping part; or process it as an error case.
  • one of the following processing methods may be adopted: cancelling the transmission of the signal in the time slot where the overlap occurs; cancelling the transmission of the signal in the overlapping part; still executing the transmission of the signal, that is, the flexible OFDM symbol can also be used for the signal; handling it as an error case.
  • one of the following processing methods may be adopted: cancelling the transmission of the signal in the time slot where the overlap occurs; cancelling the transmission of the signal in the overlapping SBFD symbol; cancelling the transmission of the signal in the overlapping part; or handling it as an error case.
  • one of the following processing methods may be adopted: cancelling the transmission of the signal in the time slot where the overlap occurs; cancelling the transmission of the signal in the overlapping SBFD symbol; cancelling the transmission of the signal in the overlapping part; or handling it as an error case.
  • a UE may not support receiving the uplink signal UR backscattered by the A-IoT device.
  • other devices such as base stations, are used to receive the uplink signal backscattered by the A-IoT device based on the CW of the UE.
  • a UE may support receiving the backscattered uplink signal of an A-IoT device on a DL SB of a semi-statically configured downlink OFDM symbol, a semi-statically configured flexible OFDM symbol, a SFI-indicated downlink OFDM symbol, or a SBFD symbol.
  • the UE may receive the backscattered signal of a CW sent by other devices, such as a base station, on the OFDM symbol in a semi-statically configured downlink OFDM symbol, a semi-statically configured flexible OFDM symbol, or a SFI-indicated downlink OFDM symbol.
  • the backscattered signal of the A-IoT device received by the UE may originate from other devices, such as a CW sent by a base station.
  • the A-IoT device may shift the frequency when backscattering the CW, that is, when the CW is located in the UL SB, the backscattered signal of the A-IoT device may still be located in the DL SB.
  • the backscattered signal of the A-IoT device received by the UE may originate from the UE.
  • a semi-statically configured uplink OFDM symbol In the UL SB of a semi-statically configured flexible OFDM symbol, a semi-statically configured uplink OFDM symbol, an uplink OFDM symbol indicated by the slot format indication information (SFI), or an SBFD symbol, other devices, such as a base station, are used to receive the uplink signal of the A-IoT device based on the backscattered CW of the UE.
  • the UE can process the UR resources in the following way:
  • one of the following processing methods may be adopted: canceling the uplink transmission of A-IoT received in the time slot where the overlap occurs; canceling the uplink transmission of A-IoT received in the overlapping part; handling it as an error case.
  • one of the following processing methods may be adopted: canceling the uplink transmission of A-IoT received in the time slot where the overlap occurs; canceling the uplink transmission of A-IoT received in the overlapping part; handling it as an error case.
  • one of the following processing methods may be adopted: canceling the reception of the uplink transmission of A-IoT in the time slot where the overlap occurs; canceling the reception of the uplink transmission of A-IoT in the overlapping part; still receiving the uplink transmission of the A-IoT device, that is, the flexible OFDM symbol can also receive the uplink transmission of the A-IoT device; handling it as an error case.
  • one of the following processing methods may be used: canceling the uplink transmission of A-IoT received in the time slot where the overlap occurs; canceling the uplink transmission of A-IoT received in the overlapping SBFD symbol; canceling the uplink transmission of A-IoT received in the overlapping part; handling it as an error case.
  • one of the following processing methods may be adopted: canceling the uplink transmission of A-IoT received in the time slot where the overlap occurs; canceling the uplink transmission of A-IoT received in the overlapping SBFD symbol; canceling the uplink transmission of A-IoT received in the overlapping part; handling it as an error case.
  • a UE can support receiving the uplink signal UR of the A-IoT device based on the backscatter of the CW. That is, the UE can receive the uplink signal UR of the A-IoT device on the semi-statically configured flexible OFDM symbol, the semi-statically configured uplink OFDM symbol, and the uplink OFDM symbol indicated by the SFI. The UE can also use one of the following methods to process the uplink signal of the A-IoT device received in the SBFD symbol.
  • the first method is that the UE can support receiving the backscattered uplink signal of the A-IoT device on the UL SB of the SBFD symbol.
  • the UE can process the UR resources in one of the following ways:
  • one of the following processing methods may be adopted: canceling the uplink transmission of A-IoT received in the time slot where the overlap occurs; canceling the uplink transmission of A-IoT received in the overlapping part; handling it as an error case.
  • one of the following processing methods can be used: cancel the uplink transmission of A-IoT received in the time slot where the overlap occurs; cancel the uplink transmission of A-IoT received in the overlapping part; handle it as an error case.
  • one of the following processing methods may be adopted: canceling the reception of the uplink transmission of A-IoT in the time slot where the overlap occurs; canceling the reception of the uplink transmission of A-IoT in the overlapping part; still receiving the uplink transmission of the A-IoT device, that is, the flexible OFDM symbol can also receive the uplink transmission of the A-IoT device; handling it as an error case.
  • one of the following processing methods may be adopted: canceling the uplink transmission of A-IoT received in the time slot where the overlap occurs; canceling the uplink transmission of A-IoT received in the overlapping SBFD symbol; canceling the uplink transmission of A-IoT received in the overlapping part; handling it as an error case.
  • one of the following processing methods may be adopted: canceling the uplink transmission of A-IoT received in the time slot where the overlap occurs; canceling the uplink transmission of A-IoT received in the overlapping SBFD symbol; canceling the uplink transmission of A-IoT received in the overlapping part; handling it as an error case.
  • the second method is that the UE can support receiving the backscattered uplink signal of the A-IoT device on the DL SB of the SBFD symbol.
  • the backscattered signal of the A-IoT device received by the UE may originate from other devices, such as the CW sent by the base station.
  • the A-IoT device can shift the frequency when backscattering the CW, that is, when the CW is located in the UL SB, the backscattered signal of the A-IoT device may still be located in the DL SB.
  • the backscattered signal of the A-IoT device received by the UE may originate from the UE.
  • the UE may use one of the following methods to process the UR resources:
  • one of the following processing methods may be adopted: canceling the uplink transmission of A-IoT received in the time slot where the overlap occurs; canceling the uplink transmission of A-IoT received in the overlapping part; handling it as an error case.
  • one of the following processing methods can be used: cancel the uplink transmission of A-IoT received in the time slot where the overlap occurs; cancel the uplink transmission of A-IoT received in the overlapping part; handle it as an error case.
  • one of the following processing methods may be adopted: canceling the reception of the uplink transmission of A-IoT in the time slot where the overlap occurs; canceling the reception of the uplink transmission of A-IoT in the overlapping part; still receiving the uplink transmission of the A-IoT device, that is, the flexible OFDM symbol can also receive the uplink transmission of the A-IoT device; handling it as an error case.
  • one of the following processing methods may be used: canceling the uplink transmission of A-IoT received in the time slot where the overlap occurs; canceling the uplink transmission of A-IoT received in the overlapping SBFD symbol; canceling the uplink transmission of A-IoT received in the overlapping part; handling it as an error case.
  • one of the following processing methods may be adopted: canceling the uplink transmission of A-IoT received in the time slot where the overlap occurs; canceling the uplink transmission of A-IoT received in the overlapping SBFD symbol; canceling the uplink transmission of A-IoT received in the overlapping part; handling it as an error case.
  • the third method is that the UE can support receiving the backscattered uplink signal of the A-IoT device on the SBFD symbol, and the backscattered uplink signal can be located in the UL SB or DL SB.
  • the UE can process the UR resources in one of the following ways:
  • one of the following processing methods may be adopted: canceling the uplink transmission of A-IoT received in the time slot where the overlap occurs; canceling the uplink transmission of A-IoT received in the overlapping part; handling it as an error case.
  • one of the following processing methods can be used: cancel the uplink transmission of A-IoT received in the time slot where the overlap occurs; cancel the uplink transmission of A-IoT received in the overlapping part; treat it as an error case.
  • one of the following processing methods may be adopted: canceling the reception of the uplink transmission of A-IoT in the time slot where the overlap occurs; canceling the reception of the uplink transmission of A-IoT in the overlapping part; still receiving the uplink transmission of the A-IoT device, that is, the flexible OFDM symbol can also receive the uplink transmission of the A-IoT device; handling it as an error case.
  • one of the following processing methods can be adopted: cancel the reception of A-IoT uplink transmission in the time slot where the overlap occurs; cancel the reception of A-IoT uplink transmission in the overlapping SBFD symbol; cancel the reception of A-IoT uplink transmission in the overlapping part of DL SB; cancel the reception of A-IoT uplink transmission in the overlapping part of UL SB; still receive the uplink transmission of A-IoT device, that is, the uplink transmission of A-IoT device can also be received in the SBFD symbol; handle it as an error case.
  • one of the following processing methods may be adopted: cancel receiving the uplink transmission of A-IoT in the time slot where the overlap occurs; cancel receiving the uplink transmission of A-IoT in the overlapping SBFD symbol; cancel receiving the uplink transmission of A-IoT in the overlapping part of DL SB; cancel receiving the uplink transmission of A-IoT in the overlapping part of UL SB; still receive the uplink transmission of A-IoT device, that is, the uplink transmission of A-IoT device can also be received in the SBFD symbol; handle it as an error case.
  • a UE it can be to transmit only CW for a period of time, or only receive the uplink signal UR of the A-IoT device.
  • UE 1 transmits CW to the A-IoT device
  • UE 2 receives the uplink signal of the A-IoT device based on the backscattering of the CW, that is, half-duplex.
  • a UE can simultaneously transmit CW and receive the uplink signal of the A-IoT device, that is, full-duplex.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the ES, CW, and DT resources of the UE can be mapped to a semi-statically configured flexible OFDM symbol, a semi-statically configured uplink OFDM symbol, an uplink OFDM symbol indicated by SFI, or a UL SB of an SBFD symbol in a time slot.
  • part or all of the ES, CW, and DT resources can also be mapped to other types of OFDM symbols or SBs in a time slot.
  • the following method can be used to process any signal of the ES, CW, and DT resources:
  • one of the following processing methods may be adopted: cancelling the transmission of the signal in the time slot where the overlap occurs; cancelling the transmission of the signal in the overlapping part; still executing the transmission of the signal, that is, the downlink OFDM symbol can also be used for the signal; handling it as an error case.
  • one of the following processing methods can be adopted: cancel the transmission of the one signal in the time slot where the overlap occurs; cancel the transmission of the one signal in the overlapping part; still execute the transmission of the one signal, that is, the downlink OFDM symbol can also be used for the one signal; handle it as an error case.
  • one of the following processing methods may be adopted: cancelling the transmission of the signal in the time slot where the overlap occurs; cancelling the transmission of the signal in the overlapping part; still executing the transmission of the signal, that is, the flexible OFDM symbol can also be used for the signal; handling it as an error case.
  • one of the following processing methods may be adopted: cancelling the transmission of the signal in the time slot where the overlap occurs; cancelling the transmission of the signal in the overlapping SBFD symbol; cancelling the transmission of the signal in the overlapping part; still executing the transmission of the signal, that is, the DL SB can also be used for the signal; handling it as an error case.
  • one of the following processing methods may be adopted: cancelling the transmission of the signal in the time slot where the overlap occurs; cancelling the transmission of the signal in the overlapping SBFD symbol; cancelling the transmission of the signal in the overlapping part; still executing the transmission of the signal, that is, the DL SB can also be used for the signal; handling it as an error case.
  • a UE may not support receiving the uplink signal UR backscattered by the A-IoT device.
  • other devices such as base stations, are used to receive the uplink signal backscattered by the A-IoT device based on the CW of the UE.
  • a UE may support receiving the backscattered uplink signal of an A-IoT device on a DL SB of a semi-statically configured downlink OFDM symbol, a semi-statically configured flexible OFDM symbol, a downlink OFDM symbol indicated by SFI, or a SBFD symbol.
  • the UE may process the UR resources in the following manner:
  • one of the following processing methods may be adopted: canceling the reception of the uplink transmission of A-IoT in the time slot where the overlap occurs; canceling the reception of the uplink transmission of A-IoT in the overlapping part; still receiving the uplink transmission of the A-IoT device, that is, the uplink transmission of the A-IoT device can also be received on the uplink OFDM symbol; handling it as an error case.
  • one of the following processing methods can be adopted: cancel the uplink transmission of A-IoT received in the time slot where the overlap occurs; cancel the uplink transmission of A-IoT received in the overlapping part; still receive the uplink transmission of A-IoT device, that is, the uplink transmission of A-IoT device can also be received on the uplink OFDM symbol; handle it as an error case.
  • one of the following processing methods may be adopted: canceling the reception of the uplink transmission of A-IoT in the time slot where the overlap occurs; canceling the reception of the uplink transmission of A-IoT in the overlapping part; still receiving the uplink transmission of the A-IoT device, that is, the uplink transmission of the A-IoT device can also be received on the flexible OFDM symbol; handling it as an error case.
  • one of the following processing methods may be adopted: canceling the reception of the uplink transmission of A-IoT in the time slot where the overlap occurs; canceling the reception of the uplink transmission of A-IoT in the overlapping SBFD symbol; canceling the reception of the uplink transmission of A-IoT in the overlapping part; still receiving the uplink transmission of the A-IoT device, that is, the uplink transmission of the A-IoT device can also be received on the UL SB; handling it as an error case.
  • one of the following processing methods may be adopted: canceling the reception of the uplink transmission of A-IoT in the time slot where the overlap occurs; canceling the reception of the uplink transmission of A-IoT in the overlapping SBFD symbol; canceling the reception of the uplink transmission of A-IoT in the overlapping part; still receiving the uplink transmission of the A-IoT device, that is, the uplink transmission of the A-IoT device can also be received on the UL SB; handling it as an error case.
  • a UE can support receiving the backscattered uplink signal of the A-IoT device on the semi-statically configured flexible OFDM symbol, the semi-statically configured uplink OFDM symbol, and the uplink OFDM symbol indicated by SFI.
  • the UE can also use one of the following methods to process the uplink signal received from the A-IoT device in the SBFD symbol. For other types of OFDM symbols or SBFD symbols in a time slot, the UE can use one of the following methods to process the UR resources:
  • one of the following processing methods can be used: cancel the reception of A-IoT uplink transmission in the time slot where the overlap occurs; cancel the reception of A-IoT uplink transmission in the overlapping part; still receive the uplink transmission of the A-IoT device, that is, the uplink transmission of the A-IoT device can also be received on the downlink OFDM symbol; handle it as an error case.
  • one of the following processing methods can be used: cancel the reception of A-IoT uplink transmission in the time slot where the overlap occurs; cancel the reception of A-IoT uplink transmission in the overlapping part; still receive the uplink transmission of the A-IoT device, that is, the uplink transmission of the A-IoT device can also be received on the downlink OFDM symbol; handle it as an error case.
  • one of the following processing methods may be adopted: canceling the reception of the uplink transmission of A-IoT in the time slot where the overlap occurs; canceling the reception of the uplink transmission of A-IoT in the overlapping part; still receiving the uplink transmission of the A-IoT device, that is, the flexible OFDM symbol can also receive the uplink transmission of the A-IoT device; handling it as an error case.
  • one of the following processing methods may be used: cancel the uplink transmission of A-IoT received in the time slot where the overlap occurs; cancel the uplink transmission of A-IoT received in the overlapping SBFD symbol; cancel the uplink transmission of A-IoT received in the overlapping part of DL SB uplink transmission; cancel the uplink transmission of A-IoT received in the overlapping part of UL SB; still receive the uplink transmission of A-IoT device, that is, the uplink transmission of A-IoT device can also be received on the UL SB; handle it as an error case (Error Case).
  • one of the following processing methods may be adopted: cancel receiving the uplink transmission of A-IoT in the time slot where the overlap occurs; cancel receiving the uplink transmission of A-IoT in the overlapping SBFD symbol; cancel receiving the uplink transmission of A-IoT in the overlapping part of DL SB; cancel receiving the uplink transmission of A-IoT in the overlapping part of UL SB; still receive the uplink transmission of A-IoT device, that is, the uplink transmission of A-IoT device can also be received on the UL SB; handle it as an error case.
  • a UE it is possible to transmit only CW for a period of time, or only receive the uplink signal UR of the A-IoT device.
  • UE 1 transmits CW to the A-IoT device
  • UE 2 receives the uplink signal of the A-IoT device based on the backscattering of the CW, that is, half-duplex.
  • a UE can simultaneously transmit CW and receive the uplink signal of the A-IoT device, that is, full-duplex.
  • some or all of the steps and their optional implementation methods may be arbitrarily combined with some or all of the steps in other embodiments, and may also be arbitrarily combined with the optional implementation methods of other embodiments.
  • the embodiments of the present disclosure also propose a device for implementing any of the above methods, for example, a device is proposed, the above device includes a unit or module for implementing each step performed by the terminal in any of the above methods.
  • a device is also proposed, including a unit or module for implementing each step performed by a network device (such as an access network device, a core network function node, a core network device, etc.) in any of the above methods.
  • a network device such as an access network device, a core network function node, a core network device, etc.
  • the division of the units or modules in the above device is only a division of logical functions, which can be fully or partially integrated into one physical entity or physically separated in actual implementation.
  • the units or modules in the device can be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, and instructions are stored in the memory.
  • the processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of the units or modules of the above device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory inside the device or a memory outside the device.
  • CPU central processing unit
  • microprocessor a microprocessor
  • the units or modules in the device may be implemented in the form of hardware circuits, and the functions of some or all of the units or modules may be implemented by designing the hardware circuits.
  • the hardware circuits may be understood as one or more processors; for example, in one implementation, the hardware circuits are application-specific integrated circuits (ASICs), and the functions of some or all of the above units or modules may be implemented by designing the logical relationship of the components in the circuits; for another example, in another implementation, the hardware circuits may be implemented by programmable logic devices (PLDs), and Field Programmable Gate Arrays (FPGAs) may be used as an example, which may include a large number of logic gate circuits, and the connection relationship between the logic gate circuits may be configured by configuring the configuration files, thereby implementing the functions of some or all of the above units or modules. All units or modules of the above devices may be implemented in the form of software called by the processor, or in the form of hardware circuits, or in the form of software called by the processor, and the remaining part may be implemented in
  • the processor is a circuit with signal processing capability.
  • the processor may be a circuit with instruction reading and execution capability, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which may be understood as a microprocessor), or a digital signal processor (DSP); in another implementation, the processor may implement certain functions through the logical relationship of a hardware circuit, and the logical relationship of the above hardware circuit may be fixed or reconfigurable, such as a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA.
  • ASIC application-specific integrated circuit
  • PLD programmable logic device
  • the process of the processor loading a configuration document to implement the hardware circuit configuration may be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules.
  • it can also be a hardware circuit designed for artificial intelligence, which can be understood as ASIC, such as Neural Network Processing Unit (NPU), Tensor Processing Unit (TPU), Deep Learning Processing Unit (DPU), etc.
  • ASIC Neural Network Processing Unit
  • NPU Neural Network Processing Unit
  • TPU Tensor Processing Unit
  • DPU Deep Learning Processing Unit
  • FIG7A is a schematic diagram of the structure of a terminal provided according to an embodiment of the present disclosure.
  • a terminal 7100 includes a processing module 7101 .
  • the processing module is used to determine the first resource and/or second resource configured by the network device for the terminal, the first resource is used for the terminal to send a first signal to the A-IOT device, and the second resource is used for the terminal to receive a second signal.
  • the above-mentioned processing module is used to execute at least one of the communication steps such as processing performed by the terminal 7100 in any of the above methods (for example, step 2101, step 2103, step 2105, step 3101, step 3103, step 3105, step 3201, but not limited to these), which will not be repeated here.
  • the terminal 7100 also includes a transceiver module, which is used to execute at least one of the sending or receiving steps (for example, step 2102, step 2104, step 3102, step 3104, but not limited to these) performed by the terminal 7100 in any of the above methods, which will not be repeated here.
  • a transceiver module which is used to execute at least one of the sending or receiving steps (for example, step 2102, step 2104, step 3102, step 3104, but not limited to these) performed by the terminal 7100 in any of the above methods, which will not be repeated here.
  • FIG7B is a schematic diagram of the structure of an A-IOT device according to an embodiment of the present disclosure.
  • an A-IOT device 7200 may include a transceiver module 7201 .
  • the transceiver module is used to receive a first signal sent by a terminal using a first resource, and/or send a second signal based on backscattering or send the second signal using a second resource.
  • the above-mentioned transceiver module is used to execute at least one of the communication steps such as sending and/or receiving performed by the A-IOT device 7200 in any of the above methods (for example, step 2102, step 2104, step 4101, step 4102, but not limited to these), which will not be repeated here.
  • FIG7C is a schematic diagram of the structure of a network device according to an embodiment of the present disclosure.
  • a network device 7300 may include a processing module 7301 .
  • the processing module is used to determine a first resource and/or a second resource configured for the terminal, the first resource is used for the terminal to send a first signal to the A-IOT device, and the second resource is used for the terminal to receive a second signal.
  • the processing module is used to execute at least one of the communication steps (such as step 2101, step 3101, step 3201, step 5101, but not limited to these) such as the processing performed by the network device 7300 in any of the above methods, which will not be repeated here.
  • the communication steps such as step 2101, step 3101, step 3201, step 5101, but not limited to these
  • the transceiver module may include a sending module and/or a receiving module, and the sending module and the receiving module may be separate or integrated.
  • the transceiver module may be interchangeable with the transceiver.
  • FIG8A is a schematic diagram of the structure of a communication device 8100 provided according to an embodiment of the present disclosure.
  • the communication device 8100 may be a network device (e.g., an access network device, a core network device, etc.), or a terminal (e.g., a user device, etc.), or a chip, a chip system, or a processor that supports a network device to implement any of the above methods, or a chip, a chip system, or a processor that supports a terminal to implement any of the above methods.
  • the communication device 8100 may be used to implement the method described in the above method embodiment, and the details may refer to the description in the above method embodiment.
  • the communication device 8100 includes one or more processors 8101.
  • the processor 8101 may be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit.
  • the baseband processor may be used to process the communication protocol and the communication data
  • the central processing unit may be used to control the communication device (such as a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute the program, and process the data of the program.
  • the communication device 8100 is used to execute any of the above methods.
  • one or more processors 8101 are used to call instructions so that the communication device 8100 executes any of the above methods.
  • the communication device 8100 further includes one or more transceivers 8102.
  • the transceiver 8102 performs at least one of the communication steps such as sending and/or receiving in the above method (for example, step 2102, step 2104, step 3102, step 3104, step 4101, step 4102, but not limited thereto), and the processor 8101 performs at least one of the other steps (for example, step 2101, step 2103, step 2105, step 3101, step 3103, step 3105, step 5101, but not limited thereto).
  • the transceiver may include a receiver and/or a transmitter, and the receiver and the transmitter may be separate or integrated.
  • transceiver transceiver unit, transceiver, transceiver circuit, interface circuit, interface, etc.
  • terms such as transmitter, transmitting unit, transmitter, transmitting circuit can be replaced with each other
  • terms such as receiver, receiving unit, receiver, receiving circuit can be replaced with each other.
  • the communication device 8100 further includes one or more memories 8103 for storing data.
  • the memories 8103 may also be outside the communication device 8100.
  • the communication device 8100 may include one or more interface circuits 8104.
  • the interface circuit 8104 is connected to the memory 8102, and the interface circuit 8104 may be used to receive data from the memory 8102 or other devices, and may be used to send data to the memory 8102 or other devices.
  • the interface circuit 8104 may read the data stored in the memory 8102 and send the data to the processor 8101.
  • the processor 8101 may store a computer program 8105, which runs on the processor 8101 and enables the communication device 8000 to perform the method described in the above method embodiment.
  • the computer program 8105 may be fixed in the processor 8101, in which case the processor 8101 may be implemented by hardware.
  • the communication device 8100 described in the above embodiments may be a network device or a terminal, but the scope of the communication device 8100 described in the present disclosure is not limited thereto, and the structure of the communication device 8100 may not be limited by FIG. 8A.
  • the communication device may be an independent device or may be part of a larger device.
  • the communication device may be: 1) an independent integrated circuit IC, or a chip, or a chip system or subsystem; (2) a collection of one or more ICs, optionally, the above IC collection may also include a storage component for storing data and programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, a terminal device, an intelligent terminal device, a cellular phone, a wireless device, a handheld device, a mobile unit, a vehicle-mounted device, a network device, a cloud device, an artificial intelligence device, etc.; (6) others, etc.
  • FIG. 8B is a schematic diagram of the structure of a chip 8200 provided in an embodiment of the present disclosure.
  • the communication device 8100 may be a chip or a chip system
  • the chip 8200 includes one or more processors 8201.
  • the chip 8200 is configured to execute any of the above methods.
  • the chip 8200 further includes one or more interface circuits 8202.
  • the terms interface circuit, interface, transceiver pin, etc. can be interchangeable.
  • the chip 8200 further includes one or more memories 8203 for storing data.
  • all or part of the memory 8203 can be outside the chip 8200.
  • the interface circuit 8202 is connected to the memory 8203, and the interface circuit 8202 can be used to receive data from the memory 8203 or other devices, and the interface circuit 8202 can be used to send data to the memory 8203 or other devices.
  • the interface circuit 8202 can read the data stored in the memory 8203 and send the data to the processor 8201.
  • the interface circuit 8202 performs at least one of the communication steps such as sending and/or receiving in the above method (for example, step 2102, step 2104, step 3102, step 3104, step 4101, step 4102, but not limited thereto).
  • the interface circuit 8202 performs the communication steps such as sending and/or receiving in the above method, for example, means that the interface circuit 8202 performs data interaction between the processor 8201, the chip 8200, the memory 8203 or the transceiver device.
  • the processor 8201 performs at least one of the other steps (for example, step 2101, step 2103, step 2105, step 3101, step 3103, step 3105, step 5101, but not limited thereto).
  • modules and/or devices described in the embodiments such as virtual devices, physical devices, chips, etc. can be combined or separated as needed.
  • some or all steps can also be performed by multiple modules and/or devices in collaboration, which is not limited here.
  • the present disclosure also proposes a storage medium, on which instructions are stored, and when the instructions are executed on the communication device 8100, the communication device 8100 executes any of the above methods.
  • the storage medium is an electronic storage medium.
  • the storage medium is a computer-readable storage medium, but is not limited to this, and it can also be a storage medium readable by other devices.
  • the storage medium can be a non-transitory storage medium, but is not limited to this, and it can also be a temporary storage medium.
  • the present disclosure also proposes a program product, which, when executed by the communication device 8100, enables the communication device 8100 to execute any of the above methods.
  • the program product is a computer program product.
  • the present disclosure also proposes a computer program, which, when executed on a computer, causes the computer to execute any one of the above methods.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente divulgation se rapporte au domaine technique des communications et concerne un procédé de communication, un dispositif, un système de communication, un dispositif de communication et un support de stockage. Le procédé consiste à : déterminer une première ressource et/ou une seconde ressource qui sont configurées par un dispositif de réseau pour un terminal, la détermination étant exécutée par le terminal, la première ressource étant utilisée par le terminal pour envoyer un premier signal à un dispositif A-IdO, et la seconde ressource étant utilisée par le terminal pour recevoir un second signal envoyé par le dispositif A-IdO. En déterminant la première ressource et/ou la seconde ressource, le problème de coordination des transmissions de liaison montante et de liaison descendante entre le dispositif A-IdO et d'autres communications cellulaires est réglé.
PCT/CN2023/142538 2023-12-27 2023-12-27 Procédé de communication, dispositif, système de communication, dispositif de communication et support de stockage Pending WO2025137973A1 (fr)

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CN202380095259.6A CN120770199A (zh) 2023-12-27 2023-12-27 一种通信方法及设备、通信系统、通信设备、存储介质

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