Information receiving / sending method and apparatus

Abstract

Embodiments of the present application provide an information receiving / sending method and apparatus. The method comprises: a first device receives a first waveform, wherein the first device sends information to a second device by backscattering the first waveform; the first device receives a first command from the second device, wherein the first command is carried by a first channel, wherein the first command is at least used for the first device to execute an operation on the basis of the first command.

Description

Information sending and receiving method and device Technical Field

[0001] The embodiments of the present application relate to the field of communication technologies. Background Art

[0002] From the 2G era to the early days of 4G, cellular mobile communication systems primarily served mobile phones—mobile terminal devices held by people. With the rapid development of mobile internet and the Internet of Things (IoT), the technological evolution of cellular mobile communication systems, starting in the late 4G era and continuing to this day, has considered and supported an increasingly diverse range of IoT application scenarios. Consequently, a wider variety of IoT device types have been supported and implemented in actual network deployments and service applications, including eMTC, NB-IoT, and RedCap. With this increasing diversity of IoT terminal devices, cellular mobile systems have increasingly enhanced their capabilities for providing services tailored to vertical industries.

[0003] It should be noted that the above introduction to the technical background is merely intended to provide a clear and complete description of the technical solutions of this application and facilitate understanding by those skilled in the art. Simply because these solutions are described in the background technology section of this application, it should not be assumed that the above technical solutions are well known to those skilled in the art.

[0004] Summary of the Invention

[0005] Among the vast number of IoT devices, cellular mobile communication systems still lack the capacity to support a large number of lower-cost IoT terminals. To provide more robust, reliable, and complete IoT application solutions, supporting these lower-cost IoT terminals within 3GPP cellular mobile systems has become a pressing issue.

[0006] RFID systems are a solution for the massive and cost-effective deployment of IoT devices. They are widely used. Their advantages include low tag costs and affordability. RFID tags are small, limiting the size and material of the items they can be used on, making them suitable for various scenarios such as item management and tracking. Despite their low tag costs, the deployment and operating costs of RFID systems are higher than those of wide-area commercial networks. Deployment is typically localized, using dedicated networks, making it difficult to effectively distribute deployment costs. Regarding usage, if manual handheld tag readers are used, labor costs can become a major expense and are difficult to reduce. Deployment costs can be significantly increased if dedicated RFID ports or gateways are used for reading and management. Furthermore, RFID systems have a simple logical architecture and loose radio resource management, making it difficult to effectively manage interference from radio wave transmissions. Consequently, RFID systems generally have low system capacity and spectrum efficiency.

[0007] Compared to existing RFID systems, leveraging existing commercial mobile communication cellular networks (such as LTE and 5G NR systems) to support industry applications requiring tag-based IoT devices can significantly reduce deployment costs, thereby lowering the barrier to entry for deploying these IoT devices. Furthermore, existing commercial mobile communication cellular networks (such as LTE and 5G NR systems) offer far superior network security and wireless resource management effectiveness than existing RFID systems.

[0008] Taking 5G systems as an example, they provide reliable authentication, network coordination, and accurate and stable terminal device management mechanisms. These systems can safely and effectively reduce labor costs, thereby lowering the cost of using this type of IoT. They can also optimize the network to increase system capacity and spectrum efficiency. These reductions in deployment and operating costs will effectively promote the application of these IoT devices in business management and industrial manufacturing, accelerating the digitalization of these industries, improving production efficiency, and ultimately promoting social development.

[0009] As a new type of IoT terminal in the 5G system, tag-type terminal devices (Ambient IoT devices, referred to as AIoT devices) are severely cost-constrained. The hardware capabilities of the devices are significantly weaker than those of ordinary smartphones and other IoT-type devices supported by existing cellular mobile communication systems. For example, tag-type terminal devices may not have a stable power supply (for example, using ambient energy harvesting instead of conventional batteries), have a narrow bandwidth, and the accuracy of the internal crystal oscillator is limited due to cost constraints, and the signal processing capability is limited.

[0010] The inventors discovered that: in the existing 5G system, a Radio Resource Control (RRC) connection can be maintained between the terminal device and the base station (network device), and data communication can be carried out between the terminal device and the base station (network device) in the RRC connection state. But in fact, many tag-type terminal devices are unable to maintain an RRC connection. Therefore, it is impossible to use the existing data transmission process to support command services, that is, as a new type of IoT terminal in the 5G system, a large number of tag-type terminal devices are unable to maintain an RRC connection, resulting in the inability to reuse the downlink data transmission between the terminal device and the base station (network device) in the existing 5G system. How to support the command service between the base station and the tag-type terminal device has become an urgent problem to be solved.

[0011] To address at least one of the above problems, embodiments of the present application provide a method and apparatus for sending and receiving information.

[0012] According to a first aspect of an embodiment of the present application, a method for sending and receiving information is provided, the method comprising: a first device receiving a first waveform, wherein the first device sends information to a second device by backscattering the first waveform; the first device receiving a first command carried by a first channel from the second device, wherein the first command is at least used for the first device to perform an operation according to the first command.

[0013] According to a second aspect of an embodiment of the present application, a method for sending and receiving information is provided, the method comprising: a second device sending a first command carried via a first channel; wherein the first command is at least used by the first device to perform an operation according to the first command; and the second device receives information sent by the first device to the second device by backscattering a first waveform.

[0014] According to a third aspect of an embodiment of the present application, an information transceiver is provided, which is arranged in a first device, and includes: a receiving unit, which receives a first waveform, wherein the first device sends information to a second device by backscattering the first waveform; the receiving unit receives a first command carried by a first channel from the second device, wherein the first command is at least used for the first device to perform an operation according to the first command.

[0015] According to a fourth aspect of an embodiment of the present application, an information transceiver is provided, which is arranged in a second device, and the device includes: a sending unit, which sends a first command carried by a first channel; wherein the first command is at least used for the first device to perform an operation according to the first command; and a receiving unit, which receives information sent by the first device to the second device by backscattering a first waveform.

[0016] According to a fifth aspect of an embodiment of the present application, a terminal device is provided, wherein the terminal device includes the apparatus according to the third aspect of an embodiment of the present application.

[0017] According to a sixth aspect of an embodiment of the present application, a network device is provided, comprising the apparatus according to the fourth aspect of an embodiment of the present application.

[0018] According to the seventh aspect of the embodiment of the present application, a communication system is provided, which includes the terminal device according to the fifth aspect of the embodiment of the present application and / or the network device according to the sixth aspect of the embodiment of the present application.

[0019] According to the eighth aspect of the embodiment of the present application, a computer-readable program is provided, wherein when the program is executed in an information transceiving apparatus or a terminal device, the program enables the information transceiving apparatus or the terminal device to execute the information transceiving method described in the first aspect of the embodiment of the present application.

[0020] According to the ninth aspect of the embodiment of the present application, a computer-readable program is provided, wherein when the program is executed in an information transceiver device or a network device, the program enables the information transceiver device or the network device to execute the information transceiver method described in the second aspect of the embodiment of the present application.

[0021] According to the tenth aspect of the embodiment of the present application, a storage medium storing a computer-readable program is provided, wherein the computer-readable program enables an information sending and receiving apparatus or a terminal device to execute the information sending and receiving method described in the first aspect of the embodiment of the present application.

[0022] According to the eleventh aspect of the embodiment of the present application, a storage medium storing a computer-readable program is provided, wherein the computer-readable program enables an information transceiver device or a network device to execute the information transceiver method described in the second aspect of the embodiment of the present application.

[0023] One of the beneficial effects of the embodiments of the present application is that by reusing the technology of the existing 5G system as much as possible, it supports command processes / services of different types / different requirements of tag-type terminal devices (AIoT devices) and 5G systems, reducing modifications to the current system and reducing deployment costs.

[0024] With reference to the following description and accompanying drawings, specific embodiments of the present application are disclosed in detail, indicating the manner in which the principles of the present application can be employed. It should be understood that the embodiments of the present application are not limited in scope. Within the spirit and scope of the appended claims, the embodiments of the present application include many variations, modifications and equivalents.

[0025] Features described and / or illustrated with respect to one embodiment may be used in the same or similar manner in one or more other embodiments, combined with features in other embodiments, or substituted for features in other embodiments.

[0026] It should be emphasized that the term "include / comprising" when used herein refers to the presence of features, integers, steps or components, but does not exclude the presence or addition of one or more other features, integers, steps or components. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The elements and features described in one figure or one embodiment of the present application can be combined with the elements and features shown in one or more other figures or embodiments. In addition, in the accompanying drawings, similar reference numerals represent corresponding parts in several figures and can be used to indicate corresponding parts used in more than one embodiment.

[0028] FIG1 is a schematic diagram of a communication system according to an embodiment of the present application;

[0029] FIG2 is a schematic diagram of a topology of a communication system according to an embodiment of the present application;

[0030] FIG3 is a schematic diagram of a method for sending and receiving information according to an embodiment of the present application;

[0031] FIG4 is an interaction diagram of an implementation of the information sending and receiving method according to an embodiment of the present application;

[0032] FIG5 is another schematic diagram of the information sending and receiving method according to an embodiment of the present application;

[0033] FIG6 is an interaction diagram of another implementation of the information sending and receiving method according to an embodiment of the present application;

[0034] FIG7 is another schematic diagram of the information sending and receiving method according to an embodiment of the present application;

[0035] FIG8 is an interaction diagram of another embodiment of the information sending and receiving method of the embodiment of the present application;

[0036] FIG9 is another schematic diagram of the information sending and receiving method according to an embodiment of the present application;

[0037] FIG10 is another schematic diagram of the information sending and receiving method according to an embodiment of the present application;

[0038] FIG11 is a schematic diagram of an information transceiver device according to an embodiment of the present application;

[0039] FIG12 is another schematic diagram of the information transceiver according to an embodiment of the present application;

[0040] FIG13 is a schematic block diagram of a system structure of a first device according to an embodiment of the present invention;

[0041] FIG14 is a schematic block diagram of the system structure of the second device according to an embodiment of the present application. DETAILED DESCRIPTION

[0042] The above and other features of the present application will become apparent through the following description with reference to the accompanying drawings. In the description and the accompanying drawings, specific embodiments of the present application are disclosed in detail, which illustrate some embodiments in which the principles of the present application can be adopted. It should be understood that the present application is not limited to the described embodiments. On the contrary, the present application includes all modifications, variations and equivalents that fall within the scope of the appended claims.

[0043] In the embodiments of the present application, the terms "first", "second", etc. are used to distinguish different elements from the name, but do not indicate the spatial arrangement or temporal order of these elements, and these elements should not be limited by these terms. The term "and / or" includes any one and all combinations of one or more of the associated listed terms. The terms "comprising", "including", "having", etc. refer to the presence of the stated features, elements, components or components, but do not exclude the presence or addition of one or more other features, elements, components or components.

[0044] In the embodiments of this application, the singular forms "a," "the," etc. include plural forms and should be broadly understood to mean "a" or "a type" rather than being limited to "one." Furthermore, the term "said" should be understood to include both singular and plural forms, unless the context clearly indicates otherwise. Furthermore, the term "according to" should be understood to mean "at least in part based on...", and the term "based on" should be understood to mean "at least in part based on...", unless the context clearly indicates otherwise.

[0045] In the embodiments of the present application, the term "communication network" or "wireless communication network" may refer to a network that complies with any of the following communication standards, such as Long Term Evolution (LTE), enhanced Long Term Evolution (LTE-A, LTE-Advanced), Wideband Code Division Multiple Access (WCDMA), High-Speed ​​Packet Access (HSPA), etc.

[0046] Furthermore, communication between devices in the communication system may be carried out according to communication protocols of any stage, for example, including but not limited to the following communication protocols: 1G (generation), 2G, 2.5G, 2.75G, 3G, 4G, 4.5G and 5G, New Radio (NR), future 6G, etc., and / or other communication protocols currently known or to be developed in the future.

[0047] FIG1 is a schematic diagram of a communication system according to an embodiment of the present application. As shown in FIG1 , a communication system 100 includes a first device 101 , a second device 102 , and a third device 103 .

[0048] The first device 101 is a different terminal device, which includes, for example, an AIoT device, a tag, a tag-type terminal, etc.

[0049] The second device 102 is a network device (e.g., a gNB), or a reader, or an intermediate node;

[0050] The third device 103 includes a network device (gNB) or a terminal device (UE).

[0051] In the embodiments of the present application, the term "network device" refers to, for example, a device in a communication system that connects a terminal device to the communication network and provides services to the terminal device. Network devices may include, but are not limited to, the following devices: base station (BS), access point (AP), transmission reception point (TRP), broadcast transmitter, mobile management entity (MME), gateway, server, radio network controller (RNC), base station controller (BSC), etc.

[0052] Among them, base stations may include but are not limited to: NodeB (NodeB or NB), evolved NodeB (eNodeB or eNB) and 5G base station (gNB), IAB host, etc., and may also include remote radio head (RRH, Remote Radio Head), remote radio unit (RRU, Remote Radio Unit), relay (relay) or low-power node (such as femeto, pico, etc.). The term "base station" can include some or all of their functions. Each base station can provide communication coverage for a specific geographical area. The term "cell" can refer to a base station and / or its coverage area, depending on the context in which the term is used.

[0053] In the embodiment of the present application, the "intermediate node" can be a relay device (relay), IAB node (IAB node), terminal device (UE), repeater (repeater), etc. with AIoT capabilities.

[0054] In the embodiments of the present application, the term "user equipment" (UE) or "terminal equipment" (TE) refers to, for example, a device that accesses a communication network through a network device and receives network services. A terminal device can be fixed or mobile and may also be referred to as a mobile station (MS), a terminal, a subscriber station (SS), an access terminal (AT), a station, and so on.

[0055] In the embodiments of the present application, the terminal device may include, but is not limited to: Ambient IoT devices (abbreviated as AIoT devices), tags, tag-type terminals, etc.

[0056] In addition, the term "network side" or "network device side" refers to one side of the network, which can be a base station or one or more network devices as described above. The term "user side" or "terminal side" or "terminal device side" refers to the user or terminal side, which can be a UE or one or more terminal devices as described above. Unless otherwise specified herein, "device" can refer to either network equipment or terminal equipment.

[0057] The following describes the scenarios of the embodiments of the present application through more specific examples, but the present application is not limited thereto.

[0058] FIG2 is a schematic diagram of a topology of a communication system according to an embodiment of the present application, wherein (a) and (b) in FIG2 are two different topologies.

[0059] As shown in Figure 2(a), a network device (base station) can communicate directly with an AIoT device, sending signals directly to the AIoT device or receiving signals directly from the AIoT device. The communication between the network device and the AIoT device includes AIoT data and / or signaling. In addition, in this topology, the network device that sends signals to the AIoT device may be a different network device than the network device that receives signals from the AIoT device.

[0060] As shown in (b) of Figure 2, the network device (base station) can also pass through an intermediate node, using the intermediate node to send signals to the AIoT device or use the intermediate node to receive signals from the AIoT device, that is, the AIoT device communicates bidirectionally with an intermediate node between a network device and the AIoT device.

[0061] In the embodiment of the present application, the intermediate node can be a relay device (relay), IAB node (IAB node), terminal device (UE), repeater (repeater), etc. with AIoT capabilities. The intermediate node transmits AIoT data and / or signaling between the AIoT device and the network device (base station).

[0062] In the embodiments of the present application, a network device may send signals / information / configurations to an AIoT device, or an AIoT device may receive signals / information / configurations from a network device. This may be done directly by the network device and received by the AIoT device, or by the network device via an intermediate node and received by the AIoT device, or by the network device using other methods and received by the AIoT device. Unless otherwise specified, this application is not limited to this.

[0063] In the embodiments of the present application, when an AIoT device sends a signal / information to a network device, or when a network device receives a signal / information from an AIoT device, the AIoT device may send the signal and the network device may receive it directly, or the AIoT device may send the signal and the network device may receive it via an intermediate node, or the AIoT device may send the signal and the network device may receive it via other methods. Unless otherwise specified, the present application is not limited to this.

[0064] Embodiments of the first aspect

[0065] An embodiment of the present application provides a method for sending and receiving information, which is applied to a first device, such as the first device 101 in Figure 1 or the AIoT device in Figure 2.

[0066] FIG3 is a schematic diagram of information transmission and reception according to an embodiment of the present application. As shown in FIG3 , the method includes:

[0067] 301: A first device receives a first waveform, wherein the first device sends information to a second device by backscattering the first waveform;

[0068] 302: The first device receives a first command carried by a first channel from the second device, wherein the first command is at least used for the first device to perform an operation according to the first command.

[0069] It is worth noting that the above is merely an illustrative description of the embodiments of the present application, and the present application is not limited thereto. For example, the execution order of the various operations may be appropriately adjusted, and other operations may be added or some operations may be reduced. Those skilled in the art may make appropriate modifications based on the above content, and are not limited to the description in FIG3 above.

[0070] In some embodiments, the first device is a terminal device, for example, a tag or tag-type terminal device, an ambient IoT device (Ambient IoT device, referred to as AIoT device), or a passive IoT device;

[0071] In some embodiments, the second device is a network device (e.g., a gNB), or a reader, or an intermediate node; the intermediate node can be a relay device with AIoT capabilities, an IAB node, a terminal device (UE), a repeater, etc.

[0072] In operation 301, a first waveform is transmitted from a second device or a third device, such as a network device (gNB) or a terminal device (UE).

[0073] In some embodiments, the first waveform may be a continuous waveform (CW), a carrier waveform (CW), a backscattered / backscattering wave, a downlink waveform, etc., but the present application is not limited thereto.

[0074] In operation 301, a first device sends information to a second device by backscattering a first waveform. The first waveform is a waveform sent by the second device or the third device. The first device modulates the information to be sent to the second device onto the first waveform by adjusting its backscatter circuit, and then backscatters the modulated first waveform. In the embodiment of the present application, the waveform obtained by backscattering the first waveform is referred to as the second waveform. For example, the second waveform can be a backscattered waveform (backscattering wave), an uplink or downlink waveform, etc., but the present application is not limited thereto.

[0075] For example, the first device receives the first waveform at a first frequency and backscatters the modulated first waveform at the first frequency. For another example, the first device receives the first waveform at a first frequency and backscatters the modulated first waveform at a second frequency.

[0076] In operation 302 , the first command is carried or sent through a first channel. For example, the first channel is one of a PDSCH, a PDCCH, and an IoT-specific channel.

[0077] For example, an IoT-specific channel refers to a channel from a reader to an AIoT device or a channel from an AIoT device to a reader.

[0078] For example, the channel from the reader to the AIoT device may include at least one of the following: a PRDCH (physical reader device channel); an AIoT-specific channel for (receiving) commands; or an AIoT-specific control and / or data channel.

[0079] For example, the channel from an AIoT device to a reader may include at least one of the following: a PRDCH (physical reader device channel); an AIoT-specific channel for (sending) commands; or an AIoT-specific control and / or data channel.

[0080] In some embodiments, the first command includes at least one of the following: information instructing the first device to perform at least one of the following operations: select / cancel / clear / reset / read / write / activate / deactivate / filter / kill / state transition / start counting; one or more first device identifiers; third information and / or fourth information; a second resource for sending fifth information; an instruction to send fifth information.

[0081] For example, the selection / cancel / clear / reset / read / write / activate / deactivate / filter / kill / state transition / start counting includes: selection (comparing the payload of the first command with the content of the corresponding address segment), canceling the previous operation, clearing the cache or the content previously written to the first device (memory), resetting the state of the first device / starting counting a specific counter, reading / writing memory, activating / deactivating a specific state, filtering the (subsequent) operation to be performed, killing the first device, causing the first device to perform a state transition, and other operations.

[0082] For example, the first device identifier of the one or more first device identifiers includes at least one of the following: an M-bit random number; an M-bit random number calculated from an N-bit random number; M-bit information allocated by the second device to the first device; and / or at least one of identity information, attribute information, and classification information stored in a specified address segment of the first device. For example, M is one of 8, 16, and 24, and N is one of 8, 16, and 24; wherein M and N are the same or different.

[0083] For example, the third information and / or the fourth information is security information; the instruction to send the fifth information includes whether and how to send the fifth information; in addition, the details of the third information, the fourth information, and the fifth information will be introduced in detail later.

[0084] In some embodiments, the first command is generated by at least one of: a core network device; a network device (gNB); operations, administration, and maintenance (OAM); a reader; an intermediate node; or a second device.

[0085] For example, the second device directly generates the first command and sends the first command to the first device; or, the second device receives the first command from at least one of a core network device, a network device (gNB), an operation management and maintenance (OAM), a reader, and an intermediate node, and the second device sends the first command to the first device.

[0086] For example, the core network device may enclose the first command in a NAS message / IP data packet and send it to the first device via the upper layer of the second device; the network device (gNB) and / or operation, administration, and maintenance (OAM) may enclose the first command in an RRC message and send it to the first device via the upper layer of the second device; the reader or intermediate node of the second device may send the first command to the first device via the upper layer of the air interface with AIOT capabilities.

[0087] In some embodiments, the first device has at least a first layer and a second layer, and the first layer of the first device receives the first command.

[0088] For example, the first layer is a physical layer, and / or the second layer is an AIoT adaptation layer or an upper layer of the physical layer.

[0089] In some embodiments, a first layer (eg, a physical layer) of the first device receives the first command and submits it to a second layer (eg, an AIoT adaptation layer) of the first device.

[0090] For example, after the first device receives the first command, the first layer of the first device or the first layer instructs the corresponding function to perform at least one of the following operations: select / cancel / clear / reset / read / write / activate / deactivate / filter / kill / state transition / start counting.

[0091] In some embodiments, after the first layer of the first device receives the first command, the second layer of the first device determines to send the fifth information, for example, by performing the following operation 303:

[0092] In some embodiments, the method further comprises:

[0093] 303: The first device sends fifth information at least according to the first command and by backscattering the first waveform, where the fifth information is at least used to respond to the first command.

[0094] Operation 303 is an optional operation and is indicated by a dotted box in FIG3 .

[0095] In some embodiments, the fifth information includes a second waveform obtained by backscattering the first waveform. In some embodiments, the fifth information may also include at least one of the following: a random number of M or N bits and / or a first device identifier; a failure / success indication; a failure reason; and an expected / possible next action.

[0096] That is, the fifth information may be other information sent using the second waveform, or the second waveform itself. That is, the fifth information may include other information carried, or may not include the carried information but only the second waveform itself.

[0097] For example, after receiving the first command, the first device only sends the second waveform obtained by backscattering the first waveform to the second device to indicate that the first command has been received.

[0098] For example, after receiving the first command, the first device sends the second waveform obtained by backscattering the first waveform and other information to the second device to indicate receipt of the first command and other indication information.

[0099] For example, the random number of M or N bits and / or the first device identifier can indicate the identification information of the first device. Thus, the fifth information can indicate different related information of the first device to the second device.

[0100] For example, the failure / success indication includes: a partial success indication and / or a full success indication. Thus, the fifth information can indicate to the second device the status of successful reception of the first command.

[0101] For example, the expected / possible next action includes at least one of the following: requesting to resend the first command; requesting to allocate / occupy resources for sending the fifth message; or requesting to wait for a period of time before sending the fifth message. Thus, the fifth message can indicate to the second device a subsequent expected further action.

[0102] In some embodiments, the first layer of the first device generates the second waveform in the fifth information, the second layer of the first device generates other information other than the second waveform in the fifth information, and delivers the other information to the first layer of the first device.

[0103] For example, the first layer of the first device backscatters the first waveform to generate a second waveform; the second layer of the first device generates other information in the fifth information besides the second waveform and delivers the other information to the first layer of the first device. The first layer of the first device sends the fifth information by backscattering the first waveform.

[0104] In some embodiments, the fifth information is carried or sent via the second channel, that is, other information carried is sent via the second channel.

[0105] In some embodiments, the second channel is one of a PUSCH and an IoT-specific channel.

[0106] In some embodiments, the method further includes: the first device sending the fifth information on a second resource determined according to the first command.

[0107] In some embodiments, the second resource is a resource shared by multiple first devices, or the second resource is a resource dedicated to the first device. For example, the second resource is an uplink resource.

[0108] For example, when the first device identifier is included in the first command or in other information received before the first device sends the fifth information, the second resource may be a resource dedicated to the first device; or, when the first device identifier and / or related identification information is not included in the first command or in other information received before the first device sends the fifth information, the second resource is a resource common to multiple first devices.

[0109] In some embodiments, the first command is sent repeatedly, and / or the fifth information is sent repeatedly, that is, the same first command is sent multiple times, and / or the same fifth information is sent multiple times.

[0110] In some embodiments, the first command is sent in segments or in multiple times, and / or the fifth information is sent in segments or in multiple times. That is, a first command is sent in multiple segments or multiple times, and / or a fifth information is sent in multiple segments or multiple times.

[0111] In some embodiments, after receiving the first command, the first device may or may not send the fifth information.

[0112] In some embodiments, the first device receives the first command from the second device but does not receive the first waveform, and the first device determines not to send the fifth information.

[0113] For example, the first layer of the first device receives the first command from the second device; the first layer of the first device delivers the received first command to the second layer of the first device; and the second layer determines not to send the fifth information.

[0114] Figure 4 is an interactive diagram of an implementation method of the information receiving and sending method of an embodiment of the present application. As shown in Figure 4, the second device sends a first waveform, and the first device 1 and the first device 2 receive the first command from the second device. The first device 1 sends at least the fifth information for responding to the first command to the second device by backscattering the first waveform (second waveform), and the first device 2 does not send the fifth information. For example, the first layer of the first device 1 delivers the received first command or the payload of the first command to the second layer of the first device 1; the second layer determines to send the fifth information based on the first command or the payload of the first command; the first layer of the first device 1 backscatters the first waveform to generate a second waveform; the second layer of the first device 1 generates other information in the fifth information other than the second waveform, and delivers the other information to the first layer of the first device 1. The first layer of the first device 1 sends the fifth information by backscattering the first waveform.

[0115] For example, the first command is carried through the first channel, and / or the fifth information is carried or sent through the second channel;

[0116] For example, the first channel is one of PDSCH, PDCCH and an IoT-specific channel, and / or the second channel is one of PUSCH and an IoT-specific channel.

[0117] In some embodiments, the method further includes: the first device receiving first information from the second device; and the first device sending second information to the second device based on the first information, wherein the second information includes at least the first device identification.

[0118] FIG5 is another schematic diagram of the information sending and receiving method according to an embodiment of the present application. As shown in FIG5 , the method includes:

[0119] 501: A first device receives a first waveform, wherein the first device sends information to a second device by backscattering the first waveform;

[0120] 502: The first device receives first information from the second device;

[0121] 503: The first device sends second information to the second device according to the first information, where the second information at least includes the first device identifier;

[0122] 504: The first device receives a first command carried by a first channel from the second device, wherein the first command is at least used for the first device to perform an operation according to the first command; for example, the first command may include a first device identifier;

[0123] 505: The first device sends fifth information at least according to the first command and by backscattering the first waveform, where the fifth information is at least used to respond to the first command.

[0124] Operation 505 is an optional operation and is indicated by a dotted box in FIG5 .

[0125] For example, the third information is carried through the first channel; the second information is carried or sent through the second channel;

[0126] For example, the first channel is one of PDSCH, PDCCH and an IoT-specific channel, and / or the second channel is one of PUSCH and an IoT-specific channel.

[0127] In some embodiments, the first information includes a first resource; the method further includes: the first device receiving the first command on the first resource according to the first information. For example, the first resource is a transmission resource or a downlink resource from the second device to the first device.

[0128] In some embodiments, the second information includes at least a first device identification.

[0129] In some embodiments, the first command includes a second resource, and the first device sends the fifth information on the second resource. For example, the second resource is a transmission resource or an uplink resource from the first device to the second device.

[0130] For example, the second device sends the first command on the first resource, where the first command includes the first device identifier and the second resource, the second resource is a dedicated resource of the first device, and the first device sends the fifth information on the second resource in a non-competitive (access) manner.

[0131] In some embodiments, the method further includes: the first device determining, based on the first device identification, whether to process or discard the first command.

[0132] In some embodiments, the first command may include a first device identifier, and when the first command includes the first device identifier indicated by the second information, it is determined to process the first command; and / or, when the first command does not include the first device identifier indicated by the second information, it is determined to discard the first command.

[0133] For example, after operation 504, after the first device receives the first command, if the first command includes the first device identification indicated by the second information, it determines to process the first command and performs or not performs operation 505; or, after operation 504, after the first device receives the first command, if the first command does not include the first device identification indicated by the second information, it determines to process the first command and performs or not performs operation 505.

[0134] FIG6 is an interactive diagram of another embodiment of the information transmission and reception method of an embodiment of the present application. As shown in FIG6, the second device transmits a first waveform, and the first device 1 and the first device 2 receive the first information from the second device. The first device 1 and the first device 2 transmit second information including their respective first device identifiers by backscattering the first waveform (second waveform). For example, the second information of the first device 1 includes the first device identifier 1, and the second information of the first device 2 includes the second device 2. Furthermore, the first information includes a first resource, which is a resource dedicated to the first device 1. The second device transmits a first command on the first resource, which includes the first device identifier 1 of the first device 1. Furthermore, the first device transmits fifth information by backscattering the first waveform (second waveform), and the first device 2 does not transmit the fifth information.

[0135] For example, the first layer of the first device delivers the received first information or the payload of the first information to the second layer of the first device; the second layer determines to send the second information based on the first information or the payload of the first information; the first layer of the first device backscatters the first waveform to generate a second waveform; the second layer of the first device generates other information in the second information outside the second waveform and delivers the other information to the first layer of the first device. The first layer of the first device sends the second information by backscattering the first waveform; the first layer of the first device receives the first command and then receives and / or sends the fifth information according to the aforementioned embodiment, which will not be repeated here.

[0136] For example, the first information and / or the first command is carried through a first channel, and / or the second information and / or the fifth information is carried or sent through a second channel;

[0137] For example, the first channel is one of PDSCH, PDCCH and an IoT-specific channel, and / or the second channel is one of PUSCH and an IoT-specific channel.

[0138] In some embodiments, the method further includes: the first device determining whether to process or discard the first command according to the third information and / or the fourth information.

[0139] In some embodiments, at least one portion in the beginning, the middle, and the end of the first command includes the third information and / or the fourth information.

[0140] In some embodiments, if the third information and / or the fourth information included in the first command matches the third information and / or the fourth information stored in the first device, it is determined to process the first command; and if the third information and / or the fourth information included in the first command does not match the third information and / or the fourth information stored in the first device, it is determined to discard the first command.

[0141] In some embodiments, the first device receives third information sent by the second device; and the first device sends fourth information to the second device based on the third information.

[0142] In some embodiments, the third information is a K-bit random number, and / or the fourth information is a K-bit random number.

[0143] In some embodiments, the third information is sent in segments or in batches, and / or the fourth information is sent in segments or in batches.

[0144] In some embodiments, the first device determines the fourth information according to the third information and a predefined method.

[0145] For example, the third information and the fourth information are predefined to correspond to each other; or, a group of corresponding third information and fourth information is predefined, and the specific third information and / or fourth information is clarified by including the ID / index / indication in the predefined group in the third information and / or fourth information.

[0146] In some embodiments, the third information and the fourth information are the same or different.

[0147] For example, the second device sends third information, such as a K-bit random number, to the first device (in multiple times); based on the information, the first device sends fourth information, such as a K-bit random number that is the same as or different from the third information, to the second device (in multiple times).

[0148] In some embodiments, the first device sends the third information to the second device, and the first device receives fourth information sent by the second device according to the third information.

[0149] In some embodiments, the third information is a K-bit random number, and / or the fourth information is the K-bit random number and / or the first device identification.

[0150] For example, the first device generates a K-bit random number and sends the third information to the second device (in multiple times), and the second device sends a confirmation message (fourth information) to the first device, for example, sending the same K-bit random number as the third information and / or sending the first device identification.

[0151] For example, the second device sends the third information to the first device, and the first device sends the fourth information to the second device.

[0152] FIG7 is another schematic diagram of the information sending and receiving method according to an embodiment of the present application. As shown in FIG7 , the method includes:

[0153] 701: A first device receives a first waveform, wherein the first device sends information to a second device by backscattering the first waveform.

[0154] 702: The first device receives third information sent by the second device;

[0155] 703: The first device sends fourth information to the second device according to the third information;

[0156] 704: The first device receives a first command carried by a first channel from the second device, wherein the first command is at least used for the first device to perform an operation according to the first command;

[0157] 705: The first device sends fifth information at least according to the first command and by backscattering the first waveform, where the fifth information is at least used to respond to the first command.

[0158] Operation 705 is an optional operation and is indicated by a dotted box in FIG7 .

[0159] For example, the first command and / or the third information is carried through the first channel, and / or the fourth information and / or the fifth information is carried or sent through the second channel;

[0160] For example, the first channel is one of PDSCH, PDCCH and an IoT-specific channel, and / or the second channel is one of PUSCH and an IoT-specific channel.

[0161] Figure 8 is an interaction diagram of another embodiment of the information transmission and reception method of an embodiment of the present application. As shown in Figure 8, the second device transmits a first waveform, and the first device receives third information from the second device. The first device transmits fourth information by backscattering the first waveform (second waveform). After receiving the fourth information, the second device transmits a first command to the first device, and the first device transmits fifth information in response to the first command.

[0162] For example, the first layer of the first device delivers the received third information or the payload of the third information to the second layer of the first device; the second layer determines to send the fourth information based on the third information or the payload of the third information; the first layer of the first device backscatters the first waveform to generate a second waveform; the second layer of the first device generates other information in the fourth information other than the second waveform and delivers the other information to the first layer of the first device. The first layer of the first device sends the fourth information by backscattering the first waveform; the first layer of the first device receives the first command and then receives and / or sends the fifth information according to the aforementioned embodiment, which will not be repeated here.

[0163] For example, the first command and / or the third information is carried through the first channel, and / or the fourth information and / or the fifth information is carried or sent through the second channel;

[0164] For example, the first channel is one of PDSCH, PDCCH and an IoT-specific channel, and / or the second channel is one of PUSCH and an IoT-specific channel.

[0165] In some embodiments, the method also includes: the first device receives first information from the second device; the first device sends second information to the second device based on the first information, wherein the second information includes at least a first device identifier; and the first device determines whether to process or discard the first command based on the third information and / or fourth information.

[0166] For example, the second device sends the third information to the first device, and the first device sends the fourth information to the second device.

[0167] FIG9 is another schematic diagram of the information sending and receiving method according to an embodiment of the present application. As shown in FIG9 , the method includes:

[0168] 901: A first device receives a first waveform, wherein the first device sends information to a second device by backscattering the first waveform;

[0169] 902: The first device receives first information from the second device;

[0170] 903: The first device sends second information to the second device according to the first information, where the second information at least includes an identifier of the first device.

[0171] 904: The first device receives third information sent by the second device;

[0172] 905: The first device sends fourth information to the second device according to the third information;

[0173] 906: The first device receives a first command carried by a first channel from the second device, wherein the first command is at least used for the first device to perform an operation according to the first command;

[0174] 907: The first device sends fifth information at least according to the first command and by backscattering the first waveform, where the fifth information is at least used to respond to the first command.

[0175] Operation 907 is an optional operation and is indicated by a dotted box in FIG9 .

[0176] For example, the first command and / or the first information and / or the third information are carried through a first channel, and / or the second information and / or the fourth information and / or the fifth information are carried or sent through a second channel;

[0177] For example, the first channel is one of PDSCH, PDCCH and an IoT-specific channel, and / or the second channel is one of PUSCH and an IoT-specific channel.

[0178] The above embodiments are merely exemplary of the present invention, but the present invention is not limited thereto. Appropriate modifications may be made based on the above embodiments. For example, the above embodiments may be used alone, or one or more of the above embodiments may be combined.

[0179] It can be seen from the above embodiments that by reusing the technology of the existing 5G system as much as possible, different types / different requirements of command processes / services of tag-type terminal devices (AIoT devices) and 5G systems are supported, which reduces the modification of the current system and reduces the deployment cost.

[0180] Embodiments of the second aspect

[0181] An embodiment of the present application provides a method for sending and receiving information, which is applied to a second device, such as the second device 102 in Figure 1, the network device in Figure 2 (a), or the intermediate node in Figure 2 (b). The embodiment of the second aspect can be combined with the embodiment of the first aspect, and the content that is the same as the embodiment of the first aspect is not repeated here.

[0182] FIG10 is another schematic diagram of the information sending and receiving method according to an embodiment of the present application. As shown in FIG10 , the method includes:

[0183] 1001: The second device sends a first command carried by a first channel; wherein the first command is at least used for the first device to perform an operation according to the first command;

[0184] 1002: The second device receives information sent by the first device to the second device by backscattering the first waveform.

[0185] It is worth noting that FIG10 above is merely a schematic illustration of an embodiment of the present application, and the present application is not limited thereto. For example, the execution order of the various operations may be appropriately adjusted, and other operations may be added or some operations may be reduced. Those skilled in the art may make appropriate modifications based on the above description, and are not limited to the description of FIG10 above.

[0186] In some embodiments, the second device receives the first command from at least one of: a core network device; a network device (gNB); operations administration and maintenance (OAM); a reader; an intermediate node; and / or the second device generates the first command.

[0187] In some embodiments, the second device sends first information, and the second device receives second information sent by the first device based on the first information, wherein the second information at least includes the first device identification.

[0188] In some embodiments, the first information indicates that the first device receives the first command on the first resource.

[0189] In some embodiments, the second device sends third information to the first device, and the second device receives fourth information sent by the first device based on the third information; or, the second device receives the third information sent by the first device, and the second device sends fourth information to the first device based on the third information.

[0190] In some embodiments, the second device receives fifth information sent by the first device at least according to the first command and by backscattering the first waveform, where the fifth information is at least used to respond to the first command.

[0191] In some embodiments, the fifth information includes at least one of the following: a random number of M or N bits in length and / or a first device identifier; a failure / success indication; a failure reason; and an expected / possible next action.

[0192] In some embodiments, the failure / success indication includes a partial success indication and / or a full success indication.

[0193] In some embodiments, the expected / possible next action includes at least one of the following: requesting to send the first command again; requesting to allocate / occupy resources for sending the fifth information; requesting to wait for a period of time before sending the fifth information.

[0194] In some embodiments, the second device receives fifth information sent by the first device on a second resource determined according to the first command.

[0195] In some embodiments, the first command is sent repeatedly, and / or the fifth message is sent repeatedly.

[0196] In some embodiments, the first command includes at least one of the following:

[0197] Information indicating that the first device performs at least one of the following operations: select / cancel / clear / reset / read / write / activate / deactivate / filter / kill / state transition / start counting; one or more first device identifiers; third information and / or fourth information; a second resource for sending fifth information; an instruction to send fifth information.

[0198] In some embodiments, the first command is generated by at least one of: a core network device; a network device (gNB); operations, administration, and maintenance (OAM); a reader; an intermediate node; or a second device.

[0199] In some embodiments, the first waveform comes from the second device or the third device, wherein the second device includes at least one of the following devices: a network device (gNB); a reader; or an intermediate node; and / or the third device includes a network device (gNB) or a terminal device (UE).

[0200] In some embodiments, the first device identifier includes at least one of the following: an M-bit random number; an M-bit random number obtained by operating an N-bit random number; M-bit information allocated by the second device to the first device; and / or at least one of identity information, attribute information, and classification information stored in a specified address segment of the first device.

[0201] In some embodiments, M is one of 8, 16, and 24, and N is one of 8, 16, and 24; wherein M and N are the same or different.

[0202] In some embodiments, the first channel is one of a PDSCH, a PDCCH, and an IoT-specific channel.

[0203] The above embodiments are merely exemplary of the present invention, but the present invention is not limited thereto. Appropriate modifications may be made based on the above embodiments. For example, the above embodiments may be used alone, or one or more of the above embodiments may be combined.

[0204] It can be seen from the above embodiments that by reusing the technology of the existing 5G system as much as possible, different types / different requirements of command processes / services of tag-type terminal devices (AIoT devices) and 5G systems are supported, which reduces the modification of the current system and reduces the deployment cost.

[0205] Embodiments of the third aspect

[0206] The present application provides an information transceiver device, which corresponds to the method described in the embodiment of the first aspect. The device can be, for example, a first device, or one or more components or assemblies configured on the first device. The same contents as those in the embodiment of the first aspect are not repeated here.

[0207] FIG11 is a schematic diagram of an information transceiver device according to an embodiment of the present application. As shown in FIG11 , the information transceiver device 1100 according to the embodiment of the present application includes: a receiving unit 1101 and a sending unit 1102 .

[0208] The receiving unit 1101 receives the first waveform, and the sending unit 1102 sends information to the second device by backscattering the first waveform;

[0209] The receiving unit 1101 receives a first command carried by a first channel from the second device, wherein the first command is at least used for the first device to perform an operation according to the first command.

[0210] In some embodiments, the receiving unit 1101 receives first information from the second device; the sending unit 1102 sends second information to the second device according to the first information, wherein the second information includes at least the first device identifier.

[0211] In some embodiments, the receiving unit 1101 receives the first command on the first resource according to the first information.

[0212] In some embodiments, the information transceiver apparatus 1100 further includes: a processing unit 1103, which determines whether to process or discard the first command according to the first device identifier.

[0213] In some embodiments, the processing unit 1103 determines to process the first command when the first command includes the first device identifier indicated by the second information; and / or the processing unit 1103 determines to discard the first command when the first command does not include the first device identifier indicated by the second information.

[0214] In some embodiments, the processing unit 1103 determines whether to process or discard the first command according to the third information and / or the fourth information.

[0215] In some embodiments, at least one portion in the beginning, the middle, and the end of the first command includes the third information and / or the fourth information.

[0216] In some embodiments, the processing unit 1103 determines to process the first command if the third information and / or the fourth information included in the first command matches the third information and / or the fourth information stored in the first device; and / or the processing unit 1103 determines to discard the first command if the third information and / or the fourth information included in the first command does not match the third information and / or the fourth information stored in the first device.

[0217] In some embodiments, the receiving unit 1101 receives third information sent by the second device; and the sending unit 1102 sends fourth information to the second device based on the third information; wherein the third information is a K-bit random number, and / or the fourth information is K-bit random.

[0218] In some embodiments, the sending unit 1102 sends the third information to the second device, and the receiving unit 1101 receives the fourth information sent by the second device based on the third information; the third information is a K-bit random number, and / or the fourth information is the K-bit random number and / or the first device identifier.

[0219] In some embodiments, the sending unit 1102 sends fifth information at least according to the first command and by backscattering the first waveform, and the fifth information is at least used to respond to the first command.

[0220] In some embodiments, the fifth information includes at least one of the following: a random number of M or N bits in length and / or a first device identifier; a failure / success indication; a failure reason; and an expected / possible next action.

[0221] In some embodiments, the sending unit 1102 sends the fifth information on a second resource determined according to the first command.

[0222] In some embodiments, the first command includes at least one of the following: information instructing the first device to perform at least one of the following operations: select / cancel / clear / reset / read / write / activate / deactivate / filter / kill / state transition / start counting; one or more first device identifiers; third information and / or fourth information; a second resource for sending fifth information; an instruction to send fifth information.

[0223] In some embodiments, the first waveform comes from a second device or a third device, wherein the second device includes at least one of the following devices: a network device (gNB); a reader; or an intermediate node; and / or the third device includes a network device (gNB) or a terminal device (UE).

[0224] In some embodiments, the first device identifier includes at least one of the following: an M-bit random number; an M-bit random number obtained by operating an N-bit random number; M-bit information allocated by the second device to the first device; and / or at least one of identity information, attribute information, and classification information stored in an address segment specified by the first device.

[0225] It is worth noting that the above description only describes the components or modules related to the present application, but the present application is not limited thereto. The information transceiver 1100 may also include other components or modules. For the specific contents of these components or modules, reference may be made to the relevant art.

[0226] In addition, for the sake of simplicity, FIG11 only illustrates the connection relationship or signal direction between various components or modules. However, it should be clear to those skilled in the art that various related technologies such as bus connection can be used. The above-mentioned components or modules can be implemented by hardware facilities such as processors, memories, transmitters, and receivers; the implementation of this application is not limited to this.

[0227] It can be seen from the above embodiments that by reusing the technology of the existing 5G system as much as possible, different types / different requirements of command processes / services of tag-type terminal devices (AIoT devices) and 5G systems are supported, which reduces the modification of the current system and reduces the deployment cost.

[0228] Embodiments of the fourth aspect

[0229] The embodiment of the present application provides an information transceiver device, which may be, for example, a second device, or one or more components or assemblies configured on the second device, and the same contents as those in the first to third aspects of the embodiment will not be repeated.

[0230] FIG12 is another schematic diagram of an information transceiver device according to an embodiment of the present application. As shown in FIG12 , the information transceiver device 1200 includes:

[0231] A sending unit 1201 is configured to send a first command carried by a first channel; wherein the first command is at least used for the first device to perform an operation according to the first command; and

[0232] The receiving unit 1202 receives information sent by the first device to the second device by backscattering the first waveform.

[0233] Optionally, the sending unit 1201 further sends a first waveform. For example, the sending unit 1201 sends the first waveform to the first device before sending the first command.

[0234] In some embodiments, the information transceiver 1200 receives the first command from at least one of the following: a core network device; a network device (gNB); operation, administration, and maintenance (OAM); a reader; an intermediate node; and / or, the information transceiver 1200 further includes: a processing unit 1203, which generates the first command.

[0235] In some embodiments, the sending unit 1201 sends first information, and the receiving unit 1202 receives second information sent by the first device according to the first information, wherein the second information at least includes the first device identification.

[0236] In some embodiments, the sending unit 1201 sends third information to the first device, and the receiving unit 1202 receives fourth information sent by the first device based on the third information; or, the receiving unit 1202 receives the third information sent by the first device, and the sending unit 1201 sends fourth information to the first device based on the third information.

[0237] In some embodiments, the receiving unit 1202 receives fifth information sent by the first device at least according to the first command and by backscattering the first waveform, where the fifth information is at least used to respond to the first command.

[0238] The above embodiments are merely exemplary of the present invention, but the present invention is not limited thereto. Appropriate modifications may be made based on the above embodiments. For example, the above embodiments may be used alone, or one or more of the above embodiments may be combined.

[0239] It is worth noting that the above description only describes the components or modules related to the present application, but the present application is not limited thereto. The information transceiver 1200 may also include other components or modules. For the specific contents of these components or modules, reference may be made to the relevant art.

[0240] In addition, for the sake of simplicity, FIG12 only illustrates the connection relationship or signal direction between various components or modules. However, it should be clear to those skilled in the art that various related technologies such as bus connection can be used. The above-mentioned components or modules can be implemented by hardware facilities such as processors, memories, transmitters, and receivers; the implementation of this application is not limited to this.

[0241] It can be seen from the above embodiments that by reusing the technology of the existing 5G system as much as possible, different types / different requirements of command processes / services of tag-type terminal devices (AIoT devices) and 5G systems are supported, which reduces the modification of the current system and reduces the deployment cost.

[0242] Embodiments of the fifth aspect

[0243] An embodiment of the present application provides a first device, which includes the information transceiver according to the embodiment of the third aspect. The first device is, for example, the first device 101 in Figure 1 or the AIoT device in Figure 2.

[0244] Figure 13 is a schematic block diagram of the system architecture of a first device according to an embodiment of the present invention. As shown in Figure 13 , first device 1300 may include a processor 1310 and a memory 1320; memory 1320 is coupled to processor 1310. It should be noted that this diagram is exemplary; other types of structures may be used to supplement or replace this structure to implement telecommunication or other functions.

[0245] In one embodiment, the functionality of the information transceiver may be integrated into the processor 1310 .

[0246] The processor 1310 is configured to receive a first waveform from a first device, wherein the first device sends information to a second device by backscattering the first waveform; and the first device receives a first command carried by a first channel from the second device, wherein the first command is at least used for the first device to perform an operation according to the first command.

[0247] In another embodiment, the information transceiver device may be configured separately from the processor 1310 . For example, the information transceiver device may be configured as a chip connected to the processor 1310 , and the functions of the information transceiver device may be realized through the control of the processor 1310 .

[0248] As shown in Figure 13 , the first device 1300 may further include a communication module 1330. It should be noted that the first device 1300 does not necessarily include all the components shown in Figure 13 ; in addition, the first device 1300 may also include components not shown in Figure 13 , and reference may be made to related art for details.

[0249] As shown in FIG. 13 , the processor 1310 is sometimes also referred to as a controller or an operation control, and may include a microprocessor or other processor device and / or logic device. The processor 1310 receives inputs and controls the operations of various components of the first device 1300 .

[0250] In some embodiments, processor 1310 may include a random number generator and a comparator.

[0251] The memory 1320 may be, for example, one or more of a cache, a flash memory, a hard drive, a removable medium, a volatile memory, a non-volatile memory, or other suitable devices. It may store various data and may also store programs for executing related information. The processor 1310 may execute the programs stored in the memory 1320 to implement information storage or processing, etc. The functions of other components are similar to those of the prior art and will not be described in detail here. The various components of the first device 1300 may be implemented using dedicated hardware, firmware, software, or a combination thereof without departing from the scope of the present invention.

[0252] It can be seen from the above embodiments that by reusing the technology of the existing 5G system as much as possible, different types / different requirements of command processes / services of tag-type terminal devices (AIoT devices) and 5G systems are supported, which reduces the modification of the current system and reduces the deployment cost.

[0253] Embodiments of the sixth aspect

[0254] An embodiment of the present application provides a second device, which includes the information transceiver according to the embodiment of the fourth aspect. The second device is, for example, the second device 102 in Figure 1, the network device in Figure (a), or the intermediate node in Figure 2 (b).

[0255] Figure 14 is a schematic block diagram of the system configuration of a second device according to an embodiment of the present application. As shown in Figure 14, second device 1400 may include a processor 1410 and a memory 1420; memory 1420 is coupled to processor 1410. Memory 1420 can store various data and also stores an information processing program 1430. This program 1430 is executed under the control of processor 1410 to receive various information sent by the first device and to send various information to the first device.

[0256] In one embodiment, the functionality of the information transceiver may be integrated into the processor 1410 .

[0257] The processor 1410 can be configured as: the second device sends a first command carried by the first channel; wherein the first command is at least used for the first device to perform an operation according to the first command; and the second device receives the signal sent by the first device to the second device by backscattering the first waveform.

[0258] In another embodiment, the information transceiver device may be configured separately from the processor 1410 . For example, the information transceiver device may be configured as a chip connected to the processor 1410 , and the functions of the information transceiver device may be realized through the control of the processor 1410 .

[0259] In addition, as shown in Figure 14, the second device 1400 may further include: a transceiver 1440 and an antenna 1450; wherein, the functions of the above components are similar to those in the prior art and are not further described here. It is worth noting that the second device 1400 does not necessarily include all the components shown in Figure 14; in addition, the second device 1400 may also include components not shown in Figure 14, and reference may be made to the prior art.

[0260] It can be seen from the above embodiments that by reusing the technology of the existing 5G system as much as possible, different types / different requirements of command processes / services of tag-type terminal devices (AIoT devices) and 5G systems are supported, which reduces the modification of the current system and reduces the deployment cost.

[0261] Embodiments of the seventh aspect

[0262] The embodiment of the present application provides a communication system, including the first device according to the embodiment of the fifth aspect and / or the second device according to the embodiment of the sixth aspect. For specific details, please refer to the description of the embodiment of the fifth aspect and the embodiment of the sixth aspect.

[0263] For example, the structure of the communication system can be referred to FIG1 and FIG2 ,

[0264] As shown in Figure 1, the communication system 100 includes a first device 101 and a second device 102. The first device 101 can be the same as the first device 101 described in the embodiment of the fifth aspect, and / or the second device 102 can be the same as the second device described in the embodiment of the sixth aspect. The repeated content will not be repeated.

[0265] As shown in (a) in Figure 2, the communication system includes a network device and an AIoT device. The AIoT device may be the same as the first device described in the embodiment of the fifth aspect, and / or the network device may be the same as the second device described in the embodiment of the sixth aspect. The repeated content will not be repeated.

[0266] As shown in (b) in Figure 2, the communication system includes a network device, an intermediate node and an AIoT device. The AIoT device can be the same as the first device described in the embodiment of the fifth aspect, and / or the intermediate node can be the same as the second device described in the embodiment of the sixth aspect. The repeated content will not be repeated.

[0267] The above devices and methods of the present application can be implemented by hardware or by a combination of hardware and software. The present application relates to such a computer-readable program that, when executed by a logic component, enables the logic component to implement the devices or components described above, or enables the logic component to implement the various methods or steps described above. The present application also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, etc.

[0268] The method / device described in conjunction with the embodiments of the present application can be directly embodied as hardware, a software module executed by a processor, or a combination of the two. For example, one or more of the functional block diagrams shown in Figure 11 and / or one or more combinations of functional block diagrams can correspond to various software modules of a computer program flow or to various hardware modules. These software modules can correspond to the various steps shown in Figure 3, respectively. These hardware modules can be implemented by solidifying these software modules, for example, using a field programmable gate array (FPGA).

[0269] The software module may be located in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. A storage medium may be coupled to a processor so that the processor can read information from the storage medium and write information to the storage medium; or the storage medium may be an integral part of the processor. The processor and the storage medium may be located in an ASIC. The software module may be stored in the memory of the mobile terminal or in a memory card that can be inserted into the mobile terminal. For example, if the device (such as a mobile terminal) uses a large-capacity MEGA-SIM card or a large-capacity flash memory device, the software module may be stored in the MEGA-SIM card or the large-capacity flash memory device.

[0270] One or more of the functional blocks and / or one or more combinations of functional blocks described in FIG11 may be implemented as a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA) or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, or any suitable combination thereof for performing the functions described in this application. One or more of the functional blocks and / or one or more combinations of functional blocks described in FIG11 may also be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors in communication with a DSP, or any other such configuration.

[0271] The present application has been described above in conjunction with specific embodiments. However, those skilled in the art should understand that these descriptions are merely illustrative and are not intended to limit the scope of protection of the present application. Those skilled in the art may make various modifications and variations to the present application based on the spirit and principles of the present application, and such modifications and variations are also within the scope of the present application.

[0272] Regarding the implementation methods including the above embodiments, the following additional notes are also disclosed:

[0273] 1. A method for sending and receiving information, the method comprising:

[0274] A first device receives a first waveform, wherein the first device sends information to a second device by backscattering the first waveform;

[0275] The first device receives a first command carried by a first channel from the second device, wherein the first command is at least used for the first device to perform an operation according to the first command.

[0276] 2. The method according to Supplement 1, wherein the method further comprises:

[0277] The first device receives third information sent by the second device; the first device sends fourth information to the second device according to the third information;

[0278] The third information is a K-bit random number, and / or the fourth information is a K-bit random number;

[0279] The third information is sent in segments or in batches, and / or the fourth information is sent in segments or in batches;

[0280] The first device determines the fourth information according to the third information and a predefined method;

[0281] The third information and the fourth information are the same or different.

[0282] 3. The method according to Supplementary Note 1, wherein the method further comprises:

[0283] The first device sends fifth information at least according to the first command and by backscattering the first waveform, wherein the fifth information is at least used to respond to the first command;

[0284] The fifth information includes at least one of the following:

[0285] A random number of M or N bits in length and / or a first device identifier;

[0286] Failure / success indication;

[0287] Reasons for failure;

[0288] Desired / likely next actions;

[0289] Wherein, the failure / success indication includes a partial success indication and / or a full success indication;

[0290] The expected / possible next action includes at least one of the following:

[0291] Requesting to send the first command again;

[0292] Requesting allocation / occupancy of resources for sending the fifth information;

[0293] The request waits for a period of time before sending the fifth information.

[0294] 4. The method according to any one of Notes 1-3, wherein the first command is sent repeatedly, and / or the fifth information is sent repeatedly.

[0295] 5. The method according to any one of Notes 1 to 4, wherein the first command is generated by at least one of the following:

[0296] Core network equipment;

[0297] Network equipment (gNB);

[0298] Operations Administration and Maintenance (OAM);

[0299] reader;

[0300] intermediate node;

[0301] Second device.

[0302] 6. The method according to any one of notes 1 to 5, wherein the first device has at least a first layer and a second layer, and the first layer of the first device receives the first command;

[0303] The first layer or the first layer of the first device instructs the corresponding function to perform at least one of the following operations: select / cancel / clear / reset / read / write / activate / deactivate / screen / kill / state transition / start counting;

[0304] The second layer of the first device determines to send the fifth information;

[0305] The first layer of the first device generates the second waveform in the fifth information, and the second layer of the first device generates other information in addition to the second waveform in the fifth information, and delivers the other information to the first layer of the first device;

[0306] 7. The method according to Note 6, wherein the first layer is a physical layer, and / or the second layer is an AIoT adaptation layer or an upper layer of the physical layer.

[0307] 8. The method according to any one of Notes 1-7, wherein the first channel is one of PDSCH, PDCCH and IoT-specific channels.

[0308] 9. A method for sending and receiving information, the method comprising:

[0309] The second device sends a first command carried by the first channel; wherein the first command is at least used by the first device to perform an operation according to the first command; and

[0310] The second device receives information sent by the first device to the second device by backscattering the first waveform.

[0311] 10. The method according to Supplementary Note 9, further comprising:

[0312] The second device receives fifth information sent by the first device at least according to the first command and by backscattering the first waveform, where the fifth information is at least used to respond to the first command.

Claims

1. An information transceiver device, the device being provided in a first device, the device comprising: a receiving unit configured to receive a first waveform, wherein the first device sends information to the second device by backscattering the first waveform; The receiving unit receives a first command carried by a first channel from the second device, wherein the first command is at least used for the first device to perform an operation according to the first command.

2. The device according to claim 1, wherein The device further includes a sending unit, wherein: The receiving unit receives first information from the second device; The sending unit sends second information to the second device according to the first information, wherein the second information at least includes the first device identification.

3. The device according to claim 2, wherein The receiving unit receives the first command on a first resource according to the first information.

4. The device according to claim 2, wherein The device further comprises: A processing unit determines whether to process or discard the first command according to the first device identifier.

5. The device according to claim 4, wherein The processing unit determines to process the first command when the first command includes the first device identifier indicated by the second information; and / or The processing unit determines to discard the first command if the first command does not include the first device identification indicated by the second information.

6. The device according to claim 1 or 2, wherein: The device further comprises: A processing unit determines whether to process or discard the first command according to the third information and / or the fourth information.

7. The device according to claim 6, wherein At least one portion among the beginning, the middle, and the end of the first command includes the third information and / or the fourth information.

8. The device according to claim 6, wherein The processing unit determines to process the first command if the third information and / or the fourth information included in the first command matches the third information and / or the fourth information stored in the first device; and / or The processing unit determines to discard the first command if the third information and / or the fourth information included in the first command does not match the third information and / or the fourth information stored in the first device.

9. The device according to claim 6, wherein The receiving unit receives third information sent by the second device; and the sending unit sends fourth information to the second device according to the third information; The third information is a K-bit random number, and / or the fourth information is a K-bit random number.

10. The device according to claim 6, wherein The sending unit sends the third information to the second device, and the receiving unit receives the fourth information sent by the second device according to the third information; The third information is a K-bit random number, and / or the fourth information is the K-bit random number and / or the first device identifier.

11. The device according to claim 1, wherein The device further comprises: A sending unit is configured to send fifth information at least according to the first command and by backscattering the first waveform, wherein the fifth information is at least used to respond to the first command.

12. The device according to claim 11, wherein The fifth information includes at least one of the following: A random number of M or N bits in length and / or a first device identifier; Failure / success indication; Reasons for failure; Desired / likely next action.

13. The device according to claim 11, wherein The sending unit sends the fifth information on a second resource determined according to the first command.

14. The device according to claim 1, wherein The first command includes at least one of the following: Information instructing the first device to perform at least one of the following operations: select / cancel / clear / reset / read / write / activate / deactivate / filter / kill / state transition / start counting; one or more first device identifiers; Third information and / or fourth information; a second resource for sending fifth information; Instruction for sending fifth information.

15. The device according to claim 1, wherein The first waveform comes from the second device or the third device, wherein, The second device includes at least one of the following devices: a network device (gNB); a reader; or an intermediate node; and / or The third device includes a network device (gNB) or a terminal device (UE).

16. The device according to claim 2, wherein The first device identifier includes at least one of the following: M-bit random number; The M-bit random number after the N-bit random number is operated; M bits of information allocated by the second device to the first device; and / or, At least one of identity information, attribute information, and classification information stored in the first device specified address segment.

17. An information transceiver device, the device being provided in a second device, the device comprising: a sending unit configured to send a first command carried by a first channel; wherein the first command is at least used by the first device to perform an operation according to the first command; and A receiving unit receives information sent by the first device to the second device by backscattering the first waveform.

18. The device according to claim 17, wherein The apparatus receives the first command from at least one of: a core network device; a network device (gNB); operations, administration, and maintenance (OAM); a reader; or an intermediate node. and / or, The apparatus further includes a processing unit configured to generate the first command.

19. The device according to claim 17, wherein The sending unit sends first information, The receiving unit receives second information sent by the first device according to the first information, wherein the second information at least includes the first device identification.

20. The apparatus according to claim 17, wherein The sending unit sends third information to the first device, and the receiving unit receives fourth information sent by the first device according to the third information; or, The receiving unit receives the third information sent by the first device, and the sending unit sends fourth information to the first device according to the third information.

Images