WO2024067519A1

WO2024067519A1 - Indication method, and first device and second device

Info

Publication number: WO2024067519A1
Application number: PCT/CN2023/121231
Authority: WO
Inventors: 应祚龙; 李东儒; 吴凯; 谭俊杰
Original assignee: 维沃移动通信有限公司
Priority date: 2022-09-29
Filing date: 2023-09-25
Publication date: 2024-04-04
Also published as: CN117829173A

Abstract

The present application belongs to the technical field of communications. Disclosed are an indication method, and a first device and a second device. The indication method in the embodiments of the present application comprises: a first device receiving a first message, which is sent by a second device, wherein the first device comprises a tag or a terminal, and the second device comprises a network-side device or a terminal; and the first device determining or executing a first action on the basis of the first message, wherein the first action is associated with a memory state of the first device; and the first action comprises performing an operation on a memory of the first device, and/or feeding back information related to the memory state of the first device.

Description

Indication method, first device and second device

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims priority to Chinese patent application 202211205054.2, filed on September 29, 2022, entitled “Indication method, first device and second device”, the entire contents of which are incorporated herein by reference.

Technical Field

The present application belongs to the field of communication technology, and specifically relates to an indication method, a first device and a second device.

Background technique

Backscatter communication is a communication device that uses radio frequency signals from other devices or the environment to modulate signals to transmit information about the backscatter communication device.

(reader) (sending signal) and tag (reflecting signal).

In the related technology, tags with the same memory status are deployed in the same scenario, and the gNB/reader can obtain tag information by inventory. In order to enhance the flexibility of backscatter communication, tags with multiple capabilities can be deployed in some scenarios. If multiple types of tags are counted according to the existing inventory or selection method, inventory or selection errors will occur, that is, some unnecessary tags will be counted or selected. For example, if the reader only wants to inventory passive tags, and the inventory is taken according to the existing mode, if there are both active and passive tags in the environment, then the active tags will be counted at the same time, resulting in errors in the inventory results.

Summary of the invention

The embodiments of the present application provide an indication method, a first device, and a second device, which can solve the problem that the reader/gNB cannot accurately manage tags in various memory status tag scenarios.

In a first aspect, a method for indicating is provided, the method comprising:

The first device receives a first message sent by the second device;

The first device determines or executes a first action based on the first message;

Among them, the first device includes a tag or a terminal; the second device includes a network side device or a terminal; the first behavior is associated with the memory status of the first device; the first behavior includes operating the memory of the first device, and/or feedback of information related to the memory status of the first device.

In a second aspect, an indication method is provided, the method comprising:

The second device sends a first message to the first device; the first message is used to instruct the first device to determine or execute a first behavior based on the first message;

In a third aspect, a device for indicating is provided, the device comprising:

A receiving module, configured to receive a first message sent by a second device;

A determination module, configured to determine or execute a first action based on the first message;

Among them, the second device includes a network side device or a terminal; the first behavior is associated with the memory status of the first device; the first behavior includes operating the memory of the first device, and/or feedback of information related to the memory status of the first device.

In a fourth aspect, a device for indicating is provided, the device comprising:

A sending module, configured to send a first message to a first device; the first message is used to instruct the first device to determine or execute a first behavior based on the first message;

In a fifth aspect, a first device is provided, comprising a processor and a memory, wherein the memory stores a program or instruction that can be executed on the processor, and when the program or instruction is executed by the processor, the steps of the method described in the first aspect are implemented.

In a sixth aspect, a first device is provided, comprising a processor and a communication interface; wherein the communication interface is used to receive a first message sent by a second device, and the processor is used to determine or execute a first behavior based on the first message; wherein the first device comprises a tag or a terminal; the second device comprises a network side device or a terminal; the first behavior is associated with the memory status of the first device; the first behavior comprises operating the memory of the first device, and/or, feedback of information related to the memory status of the first device.

In a seventh aspect, a second device is provided, comprising a processor and a memory, wherein the memory stores a program or instruction that can be executed on the processor, and when the program or instruction is executed by the processor, the steps of the method described in the second aspect are implemented.

In an eighth aspect, a second device is provided, comprising a processor and a communication interface; wherein the communication interface is used to send a first message to a first device; the first message is used to instruct the first device to determine or execute a first behavior based on the first message; wherein the first device comprises a tag or a terminal; the second device comprises a network side device or a terminal; the first behavior is associated with the memory status of the first device; the first behavior comprises operating the memory of the first device, and/or, feedback of information related to the memory status of the first device.

In a ninth aspect, an indication system is provided, comprising: a first device and a second device, wherein the first device can be used to execute the steps of the method described in the first aspect, and the second device can be used to execute the steps of the method described in the second aspect.

In the tenth aspect, a readable storage medium is provided, on which a program or instruction is stored. When the program or instruction is executed by a processor, the steps of the method described in the first aspect are implemented, or the steps of the method described in the second aspect are implemented.

In the eleventh aspect, a chip is provided, comprising a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run a program or instruction to implement the method described in the first aspect, or to implement the method described in the second aspect.

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

In an embodiment of the present application, the second device sends a first message to the first device. Based on the first message, the first device can determine or execute a first behavior associated with the memory state of the first device. The first behavior includes operating the memory of the first device and/or feeding back information related to the memory state of the first device. This enables the second device to select a label of a specific memory state from labels of different memory states and manage it.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of a wireless communication system applicable to an embodiment of the present application;

FIG. 2 is one of the schematic diagrams of interaction between a reader and a tag provided by the prior art;

FIG3 is an intention of information transmission between a reader and a tag provided by the prior art;

FIG4 is a schematic diagram of a flow chart of a reader querying and accessing a single tag provided by the prior art;

FIG5 is a schematic diagram of one of the flow charts of the indication method provided in the embodiment of the present application;

FIG6 is a second flow chart of the indication method provided by the present invention;

FIG7 is a schematic diagram of a structure of an indication device provided in an embodiment of the present application;

FIG8 is a second schematic diagram of the structure of the indicating device provided in an embodiment of the present application;

FIG9 is a schematic diagram of the structure of a communication device provided in an embodiment of the present application;

FIG10 is a schematic diagram of the structure of a first device provided in an embodiment of the present application;

FIG. 11 is a schematic diagram of the structure of the second device provided in an embodiment of the present application.

Detailed ways

The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. The embodiments in the application and all other embodiments obtained by ordinary technicians in this field are within the scope of protection of this application.

The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the terms used in this way are interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first" and "second" are generally of the same type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and/or" in the specification and claims represents at least one of the connected objects, and the character "/" generally represents that the objects associated with each other are in an "or" relationship.

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

FIG. 1 is a schematic diagram of a wireless communication system to which an embodiment of the present application can be applied. The wireless communication system shown in FIG. 1 includes a terminal 11 and a network-side device 12 . Among them, the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a handheld computer, a netbook, an ultra-mobile personal computer (ultra-mobile personal computer, UMPC), a mobile Internet device (Mobile Internet Device, MID), augmented reality (augmented reality, AR)/virtual reality (virtual reality, VR) equipment, a robot, a wearable device (Wearable Device), a vehicle-mounted device (VUE), a pedestrian terminal (PUE), a smart home (home appliances with wireless communication functions, such as refrigerators, televisions, washing machines or furniture, etc.), a game console, a personal computer (personal computer, PC), an ATM or a self-service machine and other terminal side devices, and the wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets, smart anklets, etc.), smart wristbands, smart clothing, etc. It should be noted that the specific type of the terminal 11 is not limited in the embodiment of the present application.

The network side device 12 may include access network equipment or core network equipment, wherein the access network equipment may also be referred to as wireless access network equipment, wireless access network (RAN), wireless access network function or wireless access network unit. The access network equipment may include base stations, WLAN access points or WiFi nodes, etc., and base stations may be referred to as It is a node B, an evolved node B (eNB), an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a home B node, a home evolved B node, a transmitting receiving point (Transmitting Receiving Point, TRP) or some other suitable term in the field. As long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary. It should be noted that in the embodiment of the present application, only the base station in the NR system is introduced as an example, and the specific type of the base station is not limited.

In order to facilitate a clearer understanding of the embodiments of the present application, some relevant technical knowledge is first introduced as follows.

1. Backscatter Communication (BSC)

Backscatter communication refers to the backscatter communication device using the radio frequency signal from other devices or the environment to perform signal modulation to transmit the information of the backscatter communication device. The backscatter communication device can be at least one of the following:

(1) The backscatter communication device in the traditional radio frequency identification (RFID) is generally a tag, which belongs to the passive Internet of Things (Passive-IoT) device;

(2) Semi-passive tags: These tags have certain downlink reception or uplink reflection capabilities;

(3) Tags with active sending capabilities (active tags). This type of tag can send information to the reader without relying on the reflection of the incident signal.

Figure 2 is one of the interaction diagrams between a reader and a tag provided by the prior art. As shown in Figure 2, a reader sends a command and a continuous wave to a tag, and the tag sends a backscattered signal to the reader. There are two connection modes: connection mode 1, reader to tag; connection mode 2, tag to reader.

A simple implementation method is: when the tag needs to send a ‘1’, the tag reflects the incident carrier signal; when the tag needs to send a ‘0’, the tag does not reflect the incident carrier signal.

Backscatter communication equipment controls the reflection coefficient Γ of the circuit by adjusting the internal impedance, thereby changing the amplitude, frequency, phase, etc. of the incident signal to achieve signal modulation; wherein the reflection coefficient Γ is expressed by formula (1):

Wherein, Z0 is the antenna characteristic impedance, Z1 is the load impedance, θ represents the phase, and T represents the period.

Assuming the incident signal is Sin(t), the output signal is Sout(t), Therefore, corresponding amplitude modulation, frequency modulation or phase modulation can be achieved by properly controlling the reflection coefficient.

2. Information Transmission between Reader and Tag in RFID

FIG3 is an intention of information transmission between a reader and a tag provided by the prior art. As shown in FIG3 , the reader operation instructions include: Select, Inventory and Access; wherein,

a. Selection: The process by which the reader selects a tag for subsequent inventory or cryptographically challenges a tag for subsequent authentication. Selection includes the Select command and the Challenge command.

b. Inventory: The process by which the reader identifies tags. The reader starts an inventory round by sending a query command through one of the four sessions. One or more tags can reply to the reader. The reader detects the reply from a single tag and requests the protocol control (PC), optional extended protocol control word (XPC), electronic product code (EPC), and cyclic redundancy check 16 (CRC-16) from the tag. The reader only takes inventory in one session at a time in each round of inventory. The reader consists of multiple commands.

c. Access: The process by which a reader conducts transactions (read, write, verify, or otherwise) with a single tag. Before accessing, the reader uniquely identifies the tag. Access consists of multiple commands.

Reader operation instructions:

Select:

Inventory:

Access:

Tag status

The current UHF (Ultra High Frequency) RFID protocol is designed in inventory mode, requiring the reader to send a query command (Query) and the tag to respond (Reply), that is, the tag generates a 16-bit random number to the reader. After the reader sends the 16-bit sequence to the tag through the ACK command, the tag sends the relevant data to the reader.

FIG4 is a flow chart of a reader query and access to a single tag provided by the prior art. As shown in FIG4, the reader sends a query (Query), an adjustment query (Adjust) or a repeated query (QueryRep) to the tag, and the tag has two possible results: 1. slot = 0: the tag replies with RN16; 2. slot is not equal to 0: the tag does not reply. The tag sends RN16 to the reader, the reader responds to the tag and sends the same RN16 to the tag, and the tag has two possible results: 1. Valid RN16: the tag replies with {PC/XPC, EPC}; 2. Invalid RN16: The tag does not reply. The reader sends a random request (Req-RN) to the tag and carries the same RN16 in the random request. The tag has two possible results: 1. Valid RN16: the tag replies {handle}; 2. Invalid RN16: the tag does not reply. The reader sends an access command to the tag, where each access command uses {handle} as a parameter, and the tag verifies the handle.

3. Session Protocol

1. Agreement Summary

(1) The Session parameter in the RFID Gen2 protocol is mainly used to facilitate tag inventory.

(2) Each tag contains four sessions, S0 to S3, and each session has two inventoried flags, A and B. These flags are not interoperable between different sessions. Multiple readers can use different sessions of the tag to inventory at the same time, such as the A flag of S2 and the B flag of S3.

(3) The conversion method of marker A or marker B corresponding to the label of different sessions is different.

2. Inventory flag when the tag is powered on

It can be understood that the retention status of flags in different sessions after power failure and recharging is different.

(1) The flag of S0 must be A. The flag of S0 is only related to whether the power is off.

(2) The flag of S1 can be A or B. As long as it remains within the range of the last set flag duration, the flag of S1 will remain the previously set flag. If it exceeds the persistence time, it will be restored to the default flag A. Because the flag persistence time in the S1 state is not automatically refreshed, even if the power is on, it may still return to the default flag A due to exceeding the persistence time. The flag of S1 is only related to the persistence time.

(3) The situations of S2 and S3 are basically the same, that is, as long as the battery is in the charging state, the previously set flag is maintained. However, if the battery is powered off and the power-off time exceeds the duration of the tag, the battery returns to the default flag A. The flags of S2 and S3 are related to whether the battery is powered off and the duration of the power-off.

The following is a detailed description of the indication method provided in the embodiment of the present application through some embodiments and their application scenarios in combination with the accompanying drawings.

The indication method provided in the embodiment of the present application can be applied to a backscatter communication scenario. The second device sends a first message to the first device. The first device can determine or execute a first behavior associated with the memory state of the first device based on the first message. The first behavior includes operating the memory of the first device and/or feedback of information related to the memory state of the first device. This enables the second device to select a label of a specific memory state from labels of different memory states and manage it.

FIG. 5 is a flow chart of an indication method according to an embodiment of the present application. As shown in FIG. 5 , the method includes steps 501-502; wherein:

Step 501: A first device receives a first message sent by a second device;

Step 502: The first device determines or executes a first action based on the first message;

It should be noted that the embodiments of the present application can be applied to backscatter communication scenarios; the first device includes but is not limited to the types of terminals 11 listed above, and the second device includes but is not limited to the types of network side devices 12 listed above, and the embodiments of the present application are not limited to this.

Optionally, the first device includes a device set matching the target memory state; the device set includes at least one device.

Specifically, the first device includes a device set that matches the target memory state, and the device set includes at least one device, that is, each device in the device set matches the target memory state. For example, the first group of tag sets includes at least one tag with no data in the memory, the second group of tag sets includes at least one tag with data in the memory, and the third group of tag sets includes at least one tag with data sealed after the detection is completed.

Optionally, the association relationship between the first message and the device set is predefined by network configuration or protocol.

Optionally, the first device includes a tag or a terminal, and the second device includes a network side device or a terminal. When the first device is a tag, the second device may be a terminal or a network side device. When the first device is a terminal, the second device may be a network side device.

Optionally, the memory state of the first device includes at least one of the following:

1) Whether the memory stores data; specifically, data is stored in the memory of the first device or no data is stored in the memory.

2) Business type stored in the memory; specifically, the business type stored in the memory of the first device, for example, furniture business or medical business.

3) Memory data volume; specifically, the memory data volume of the first device can be in the order of megabytes (M Byte) or in the order of bytes.

4) Device information of the first device. Specifically, the device information may be power information, battery information or manufacturer information of the device; for example, the power information may be active, semi-passive or active; the battery information may be button battery or other battery; the manufacturer information may be manufacturer A, manufacturer B or manufacturer C.

Optionally, the target memory state includes at least one of the following:

1) Whether the memory stores data; specifically, whether the memory has data or the memory has no data.

2) The target business type stored in the memory; specifically, the target business type can be furniture or medical.

3) Target memory data volume; specifically, the target memory data volume can be in the order of megabytes (M Byte) or in the order of bytes.

4) Target device information. Specifically, the target device information may be power information, battery information or manufacturer information of the target device; for example, the power information may be active, semi-passive or active; the battery information may be a button battery or other battery; the manufacturer information may be manufacturer A, manufacturer B or manufacturer C.

Optionally, the first message includes at least one of the following:

1) A first control command is used to select a device whose memory state matches the target memory state;

Specifically, the first control command is used to select a device whose memory state matches the target memory state; for example, if the target memory state is memory storage data and the first control command is a select command, the select command is used to select a first device whose memory state matches the memory storage data. It is understandable that the first control command may also select a device that matches the target business type or target memory data volume of the memory storage.

2) a second control command, used to instruct a device whose memory state matches the target memory state to initiate an inventory;

Specifically, the second control command is used to instruct a device whose memory state matches the target memory state to start an inventory; for example, if the target memory state is the target business type of memory storage, the target business type is furniture business, and the second control command is a query command, then the query command is used to instruct a device whose memory storage business type matches the furniture business to start an inventory. It is understandable that the second control command can also instruct a device that matches the memory storage data or the target memory data volume to start an inventory.

3) a third control command, used to instruct a device whose memory state matches the target memory state to read the memory;

Specifically, the third control command is used to instruct a device whose memory state matches the target memory state to read the memory; for example, the target memory state is the target memory data volume, the target memory data volume is in the order of M Byte, and the third control command is a read command, then the read command is used to instruct a device whose memory data volume matches the order of M Byte to read the memory. It is understandable that the third control command may also instruct a device that matches the memory storage data or the target service type to read the memory.

4) a fourth control command, used to instruct a device whose memory state matches the target memory state to set or change a memory value;

Specifically, the fourth control command is used to instruct a device whose memory state matches the target memory state to set or change a memory value; for example, the target memory state is the target business type of memory storage, the target business type is medical business, and the fourth control command is a write command, then the write command is used to instruct a device whose memory storage business type matches the medical business to set or change a memory value. It is understandable that the fourth control command can also instruct a device that matches the memory storage data or the target memory data volume to read, set, or change a memory value.

5) a fifth control command, used to instruct a device whose memory state matches the target memory state to lock the memory;

Specifically, the fifth control command is used to instruct a device whose memory state matches the target memory state to lock the memory; for example, if the target memory state is the target memory data volume and the fifth control command is a lock command, the lock command is used to instruct a device whose memory data volume is greater than or equal to the target memory data volume to lock the memory. It is understandable that the fifth control command may also instruct a device whose memory stores data to lock the memory.

It should be noted that the first control command, the second control command, the third control command, the fourth control command and the fifth control command in the present application respectively refer to commands with the same functions, and do not specifically limit the specific naming and implementation methods of the first control command and the second control command.

6) A first instruction, used to instruct a device supporting the target device information to execute the first behavior.

Specifically, the target device information may be power information, battery information or manufacturer information of the target device, and the first indication is used to indicate that a device supporting any one of the power information, battery information or manufacturer information of the target device can perform the first behavior. It is understandable that the device information stored in the memory of the first device can determine that the first device supporting the target device information performs the first behavior.

In practice, after the first device receives the first message sent by the second device, the first device determines or executes a first behavior based on the first message; wherein the first behavior includes operating the memory of the first device, and/or feeding back information related to the memory status of the first device.

In the indication method provided in the embodiment of the present application, the second device sends a first message to the first device, and the first device can determine or execute a first behavior associated with the memory state of the first device based on the first message. The first behavior includes operating the memory of the first device and/or feedback of information related to the memory state of the first device, which enables the second device to select a label of a specific memory state from labels of different memory states and manage it.

Optionally, the operating the memory of the first device includes at least one of the following:

a) reading the memory content of the first device;

Specifically, after the first device receives the first message sent by the second device, the first device can read the memory content of the first device and make a further response. For example, if the memory of the first device stores data, the first device can read the memory content of the first device.

b) setting or changing the memory value of the first device;

Specifically, after the first device receives the first message sent by the second device, the first device can set a memory value for the first device, or change the memory value of the first device. For example, when the memory of the first device stores the target service type, the first device can rewrite other service types in the memory of the first device.

c) locking the memory of the first device;

Specifically, after the first device receives the first message sent by the second device, if the amount of memory data of the first device is greater than or equal to the target data amount, the first device can lock the first device and prohibit the first device from performing read and write operations.

Optionally, the information related to the memory status of the first device includes any one of the following:

1) first information, used to indicate whether the memory state of the first device matches the target memory state;

2) The memory status of the first device.

Optionally, the first information includes at least one of the following:

a) confirming ACK, used to indicate that the memory state of the first device matches the target memory state;

Specifically, when the memory state of the first device matches the target memory state, the first device feeds back an ACK to the second device.

b) a negative acknowledgement NACK, used to indicate that the memory state of the first device does not match the target memory state;

Specifically, when the memory state of the first device does not match the target memory state, the first device feeds back NACK to the second device, or the first device may not feed back, and not feeding back indicates NACK, that is, the memory state of the first device does not match the target memory state.

c) second information, used to indicate that the memory state of the first device matches the target memory state;

Specifically, when the memory state of the first device matches the target memory state, the first device feeds back the second information to the second device; for example, the second information can be represented by 1-bit information, and the 1-bit information can also represent ACK.

d) third information, used to indicate that the memory state of the first device does not match the target memory state.

Specifically, when the memory state of the first device does not match the target memory state, the first device feeds back third information to the second device; for example, the third information can be represented by 0-bit information, and 0-bit information can also represent NACK.

The following describes a specific implementation method in which the first device determines or executes the first behavior based on the first message in an embodiment of the present application.

Optionally, a specific implementation of step 502 includes the following steps:

Step 1) when the first message includes any one of the first control command, the second control command, the third control command, the fourth control command and the fifth control command, the first device determines the target memory state based on the first message;

Specifically, when the first message includes any one of the first control command, the second control command, the third control command, the fourth control command, and the fifth control command, the first device can determine the target memory state based on the first message.

Step 2) The first device determines or executes the first behavior based on the target memory state and the memory state of the first device.

Specifically, after determining the target memory state indicated by the second device, the first device may determine or execute the first behavior according to the target memory state and the memory state of the first device.

In the indication method provided in an embodiment of the present application, when the first message includes any one of the first control command, the second control command, the third control command, the fourth control command, and the fifth control command, the first device determines the target memory state based on any one of the first control command, the second control command, the third control command, the fourth control command, and the fifth control command, and then determines or executes the first behavior based on the target memory state and the memory state of the first device, so that the second device can inventory and manage the first device according to the first behavior of the first device that matches the target memory state.

Optionally, the specific implementation of step 1) above includes at least one of the following:

Mode a), when any one of the first control command, the second control command, the third control command, the fourth control command and the fifth control command includes second information, the first device determines the target memory state based on the second information; the second information is used to directly indicate the target memory state;

Specifically, when any one of the first control command, the second control command, the third control command, the fourth control command and the fifth control command includes the second information, the first device may determine the target memory state based on the second information.

For example, the first control command is a select command, and the second information is used to directly indicate the selection of memory without data storage. The first device can determine that the target memory state is memory without data storage based on the second information, and the first device with memory without data storage is selected, so that the first device with memory without data storage can determine or execute the first behavior.

Mode b), the first device determines the target memory state based on a first mapping relationship and a cyclic redundancy check (CRC) type in the first control command; the first mapping relationship includes a mapping relationship between a device memory state and a CRC type;

Specifically, the first mapping relationship includes a mapping relationship between a device memory state and a CRC type, and the first device can determine the target memory state according to the first mapping relationship and the CRC type in the first control command. For example, the first type of device uses the first type of CRC type scrambling in the select command, the second type of device uses the second type of CRC type scrambling in the select command, and the Nth type of device uses the Nth type of CRC type scrambling in the select command, thereby determining the target memory state.

Optionally, the first mapping relationship is predefined by network configuration or protocol.

In the indication method provided in the embodiment of the present application, when any one of the first control command, the second control command, the third control command, the fourth control command and the fifth control command includes the second information, the first device determines the target memory state based on the second information; the second information is used to directly indicate the target memory state; or, the first device determines the target memory state based on the first mapping relationship and the CRC type in the first control command; the first mapping relationship includes a mapping relationship between the device memory state and the CRC type; and then the first device determines or executes the first behavior based on the determined target memory state and the memory state of the first device, so that the second device can inventory and manage the first device according to the first behavior determined or executed by the first device.

Optionally, the specific implementation of step 2) above includes at least one of the following:

Mode 1: When the memory state of the first device matches the target memory state and the first message includes the first control command and the second control command, the first device determines or performs at least one of the following: feeding back an ACK to the second device; feeding back second information to the second device;

Specifically, when the memory state of the first device matches the target memory state and the first message includes a first control command and a second control command, that is, the first device that matches the target memory state can determine or execute at least one of the following based on the first control command and the second control command: feedback ACK to the second device; feedback second information to the second device; for example, the second information is 1-bit information.

For example, the network side device needs to select a tag with a target memory state, and the target memory state is that there is no stored data in the memory, that is, the network needs to select a tag that currently has no data stored. The network sends a select command to the tag, and the select command includes information for selecting a tag with no data storage. After the tag receives the select command sent by the network side device, the tag reads the memory information according to the select command. At this time, the tag can feedback at least one of the following according to the memory state: the tag with no data in the memory sends the first information (ACK) to the network side device; feedbacks the second information to the second device; the second information is 1-bit information; the tag with data in the memory does not feedback.

Mode 2: When the memory state of the first device matches the target memory state and the first message includes the third control command, the fourth control command and the fifth control command, the first device determines or executes at least one of the following: reading the memory content of the first device; setting or changing the memory value of the first device; locking the memory of the first device;

Specifically, when the memory state of the first device matches the target memory state and the first message includes the third control command, the fourth control command and the fifth control command, that is, the first device that matches the target memory state can determine or execute at least one of the following based on the third control command, the fourth control command and the fifth control command: read the memory content of the first device; set or change the memory value of the first device; lock the memory of the first device.

In practice, when the target memory state is that the memory has data, and the first message includes a read command, a write command, and a lock command, the first device that matches the target memory state can determine or execute the first behavior based on the read command, the write command, and the lock command, including at least one of the following: reading the memory of the first device and responding; setting or changing the memory value of the first device; locking the memory of the first device. Specifically, the first device writes data, deletes data, or locks the memory of the first device in the memory, prohibiting read and write operations. When the target memory state is that the memory stores the target business type, and the first message includes a read command, a write command, and a lock command, the first device that matches the target memory state can determine or execute the first behavior based on the read command, the write command, and the lock command, including at least one of the following: reading the memory of the first device and responding; setting or changing the memory value of the first device; locking the memory of the first device. Specifically, the first device rewrites the business type in the memory or locks the memory of the first device, prohibiting read and write operations. When the target memory state is the target memory data volume, and the memory data volume of the first device is greater than or equal to the first data volume, the first behavior determined or executed by the first device based on the read command, the write command, and the lock command includes: reading the memory of the first device and responding to or locking the memory of the first device, and prohibiting read and write operations. The size of the first data volume is predefined by the network configuration or protocol, and the size of the first data volume is related to the business type and memory size of the memory storage of the first device.

For example, the network-side device needs to select a tag with a target memory status, where the target memory status is the target business type stored in the memory. Taking medical tags as an example, the memory status of medical tags can be divided into two types: "to be repaired" and "repaired". All medical tags need to be repaired again, so the "repaired" status needs to be changed to the "to be repaired" status. The network-side device sends a write command to the tag. After the tag receives the write command sent by the network-side device, the tag can set or change the memory value of the tag according to the memory status, that is, it can determine the execution of the write behavior. For example, if the memory status of tag A is "repaired", tag A will change the memory value after receiving the write command. Thereby changing the memory status; if the memory status of tag B is "pending repair", tag B will not respond after receiving the write command.

Method 3: When the memory state of the first device does not match the target memory state, the first device determines or executes at least one of the following: feedback the memory state of the first device to the second device; feedback NACK to the second device; feedback third information to the second device.

Specifically, when the memory state of the first device does not match the target memory state, the first device may determine or execute at least one of the following: feedback the memory state of the first device to the second device; feedback NACK to the second device; feedback third information to the second device.

For example, the network side device needs to select a tag with a target memory state, and the target memory state is that there is stored data in the memory, that is, the network needs to select a tag with data stored in the memory, and the network side device sends a select command to the tag, and the select command contains information for selecting a tag with data storage; after the tag receives the select command sent by the network side device, the tag reads the memory information according to the select command to determine that there is no data stored in the tag's memory, then the memory state of the tag does not match the target memory state, and at this time the tag can determine or execute at least one of the following: feedback the memory state of the first device (no data stored in the memory) to the second device; feedback NACK to the second device; feedback third information to the second device; at this time the third information can be 0bit information.

In the indication method provided in the embodiment of the present application, when the memory state of the first device matches the target memory state and the first message includes the first control command and the second control command, the first device determines or executes at least one of the following: feedback ACK to the second device; feedback second information to the second device; or, when the memory state of the first device matches the target memory state and the first message includes the third control command, the fourth control command and the fifth control command, the first device determines or executes at least one of the following: reads the memory content of the first device; sets or changes the memory value of the first device; locks the memory of the first device; or, when the memory state of the first device does not match the target memory state, the first device determines or executes at least one of the following: feedback the memory state of the first device to the second device; feedback NACK to the second device; feedback third information to the second device, so that the second device can inventory and manage the first device according to the first behavior of the first device.

Optionally, the specific implementation of step 502 further includes:

In the case where the first message is the first indication, the first device determines or executes at least one of the following based on the first indication: reading the memory of the first device; and feeding back the first information to the second device.

Specifically, in the case where the first message is a first indication, the first device, based on the target device information indicated by the first indication, the first device supporting the target device information can determine or execute at least one of the following: reading the memory of the first device; and feeding back the first information to the second device.

Optionally, the target bit in the first indication is used to indicate target device information; the target bit is predefined by network configuration or protocol.

Specifically, the target bit in the first indication can be represented by n bit, where n is greater than 0; the target bit is used to indicate target device information, and the target bit is predefined by the network configuration or protocol and stored in the memory of the first device.

For example, during the reader access process, the reader will read or write the tag's memory. Therefore, different types of tags can be distinguished by the target device information of the tag predefined by the network configuration or protocol. For example, 2-bit identifier information is added to distinguish the tags, and the 2-bit identifier information can be stored in the tag's memory. The reader can obtain the type of the tag through the read operation during access, so that the reader can further determine the subsequent operation.

In the indication method provided in the embodiment of the present application, when the first message is the first indication, the first device can determine or execute at least one of the following based on the target device information of the first indication: read the memory of the first device; feedback the first information to the second device, so that the second device inventories and manages the first device according to the first behavior determined or executed by the first device that can support the target device information.

FIG. 6 is a second flow chart of the indication method provided by the present invention. As shown in FIG. 6 , the method includes step 601, wherein:

Step 601: The second device sends a first message to the first device; the first message is used to instruct the first device to determine or execute a first behavior based on the first message;

Specifically, the first device includes a device set that matches the target memory state, and the device set includes at least one device, that is, each device in the device set matches the target memory state.

Optionally, the first device includes a tag or a terminal, and the second device includes a network side device or a terminal. When the first device is a tag, the second device may be a terminal or a network side device; when the first device is a terminal, the second device may be a network side device.

3) Memory data volume; specifically, the memory data volume of the first device may be in the order of megabytes (M Byte) or in the order of bytes.

Optionally, the target memory state includes at least one of the following:

3) Target memory data volume; specifically, the target memory data volume can be in the megabyte (M Byte) level or in the Byte level.

Optionally, the first message includes at least one of the following:

In practice, the second device sends a first message to the first device, and the first message is used to instruct the first device to determine or execute a first behavior based on the first message; wherein the first behavior is associated with the memory state of the first device; the first behavior includes operating the memory of the first device, and/or, feedback of information related to the memory state of the first device; after the first device receives the first message sent by the second device, the first device determines or executes the first behavior according to the first message, so that the second device can inventory the first device according to the first behavior determined or executed by the first device.

a) reading the memory content of the first device;

b) setting or changing the memory value of the first device;

Specifically, after the first device receives the first message sent by the second device, the first device may set a memory value for the first device, or may change the memory value of the first device. When the target service type is stored, the first device may rewrite other service types in the memory of the first device.

c) locking the memory of the first device;

2) The memory status of the first device.

Optionally, the first information includes at least one of the following:

The instruction method provided in the embodiment of the present application can be executed by an instruction device. In the embodiment of the present application, the instruction method executed by an instruction device is taken as an example to illustrate the instruction device provided in the embodiment of the present application.

FIG. 7 is one of the structural schematic diagrams of the indication device provided in the embodiment of the present application. As shown in FIG. 7 , the indication device 700 is applied to the first device, and includes:

The receiving module 701 is used to receive a first message sent by a second device;

A determination module 702, configured to determine or execute a first action based on the first message;

In the indication device provided in the embodiment of the present application, by receiving a first message sent by a second device, a first behavior associated with the memory state of the first device can be determined or executed based on the first message. The first behavior includes operating the memory of the first device and/or feedback of information related to the memory state of the first device. This enables the second device to select a label of a specific memory state from labels of different memory states and manage it.

Optionally, the first message includes at least one of the following:

A first control command is used to select a device whose memory state matches a target memory state;

A second control command is used to instruct a device whose memory state matches the target memory state to start an inventory;

A third control command is used to instruct a device whose memory state matches the target memory state to read the memory;

A fourth control command, used to instruct a device whose memory state matches a target memory state to set or change a memory value;

A fifth control command, used to instruct a device whose memory state matches the target memory state to lock the memory;

The first indication is used to instruct a device supporting the target device information to execute the first behavior.

Reading the memory content of the first device;

Setting or changing the memory value of the first device;

The memory of the first device is locked.

first information, used to indicate whether the memory state of the first device matches the target memory state;

The memory status of the first device.

Optionally, the first information includes at least one of the following:

Acknowledgement ACK, used to indicate that the memory state of the first device matches the target memory state;

Negative acknowledgement NACK, used to indicate that the memory state of the first device does not match the target memory state;

second information, used to indicate that a memory state of the first device matches a target memory state;

The third information is used to indicate that the memory state of the first device does not match the target memory state.

Optionally, the determining module 702 is specifically configured to:

In a case where the first message includes any one of the first control command, the second control command, the third control command, the fourth control command, and the fifth control command, determining the target memory state based on the first message;

The first behavior is determined or executed based on the target memory state and the memory state of the first device.

Optionally, the determining module 702 is specifically configured to perform at least one of the following:

In the case where any one of the first control command, the second control command, the third control command, the fourth control command and the fifth control command includes second information, determining the target memory state based on the second information; the second information is used to directly indicate the target memory state;

The target memory state is determined based on a first mapping relationship and a cyclic redundancy check CRC type in the first control command; the first mapping relationship includes a mapping relationship between a device memory state and a CRC type.

In a case where the memory state of the first device matches the target memory state and the first message includes the first control command and the second control command, determining or executing at least one of the following: feeding back an ACK to the second device; feeding back second information to the second device;

In a case where the memory state of the first device matches the target memory state, and the first message includes the third control command, the fourth control command, and the fifth control command, determining or executing at least one of the following: reading the memory content of the first device; setting or changing the memory value of the first device; locking the memory of the first device;

In a case where the memory state of the first device does not match the target memory state, determine or execute at least one of the following: feedback the memory state of the first device to the second device; feedback NACK to the second device; feedback third information to the second device.

Optionally, the determining module 702 is specifically configured to:

In the case where the first message is the first indication, based on the first indication, determine or execute at least one of the following: read the memory of the first device; and feed back the first information to the second device.

Whether the memory stores data;

Business type of memory storage;

Amount of memory data;

The device information of the first device.

Optionally, the target memory state includes at least one of the following:

Whether the memory stores data;

Target business type of memory storage;

Target memory data volume;

Target device information.

Optionally, the size of the target memory data volume is predefined by network configuration or protocol.

FIG8 is a second structural schematic diagram of an indication device provided in an embodiment of the present application. As shown in FIG8 , the indication device 800 is applied to a second device and includes:

A sending module 801 is configured to send a first message to a first device; the first message is configured to instruct the first device to determine or execute a first behavior based on the first message;

In the indication device provided in an embodiment of the present application, by sending a first message to a first device, the first device can determine or execute a first behavior associated with the memory state of the first device based on the first message, and the first behavior includes operating the memory of the first device and/or feedback of information related to the memory state of the first device, which enables the second device to select a label of a specific memory state from labels of different memory states and manage it.

Optionally, the first message includes at least one of the following:

Reading the memory content of the first device;

Setting or changing the memory value of the first device;

The memory of the first device is locked.

The memory status of the first device.

Optionally, the first information includes at least one of the following:

Whether the memory stores data;

Business type of memory storage;

Amount of memory data;

The device information of the first device.

Optionally, the target memory state includes at least one of the following:

Whether the memory stores data;

Target business type of memory storage;

Target memory data volume;

Target device information.

The indicating device in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or a component in an electronic device, such as an integrated circuit or a chip. The electronic device may be a terminal, or may be other devices other than a terminal. Exemplarily, the terminal may include but is not limited to the types of terminal 11 listed above, and other devices may be servers, network attached storage (NAS), etc., which are not specifically limited in the embodiment of the present application.

The indication device provided in the embodiment of the present application can implement each process implemented by the method embodiment of Figure 5 or Figure 6 and achieve the same technical effect. To avoid repetition, it will not be described here.

FIG9 is a schematic diagram of the structure of a communication device provided in an embodiment of the present application. As shown in FIG9 , the communication device 900 includes a processor 901 and a memory 902. The memory 902 stores a program or instruction that can be run on the processor 901. For example, when the communication device 900 is a first device, the program or instruction is executed by the processor 901 to implement the various steps of the above-mentioned indication method embodiment, and can achieve the same technical effect. When the communication device 900 is a second device, the program or instruction is executed by the processor 901 to implement the various steps of the above-mentioned indication method embodiment, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.

The embodiment of the present application also provides a first device, including a processor and a communication interface, the communication interface is used to receive a first message sent by a second device, and the processor is used to determine or execute a first behavior based on the first message; wherein the first device includes a tag or a terminal; the second device includes a network-side device or a terminal; the first behavior is associated with the memory state of the first device; the first behavior includes operating the memory of the first device, and/or feedback of information related to the memory state of the first device. This first device embodiment corresponds to the above-mentioned first device side method embodiment, and each implementation process and implementation method of the above-mentioned method embodiment can be applied to this first device embodiment, and can achieve the same technical effect.

FIG10 is a schematic diagram of the structure of a first device provided in an embodiment of the present application. As shown in FIG10 , the first device 1000 includes but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, sensor 1005, display unit 1006, user input unit 1007, interface unit 1008, memory 1009, and processor 1010, etc., at least some of the components.

Those skilled in the art can understand that the first device 1000 can also include a power supply (such as a battery) for supplying power to each component, and the power supply can be logically connected to the processor 1010 through a power management system, so as to implement functions such as charging, discharging, and power consumption management through the power management system. The first device structure shown in FIG10 does not constitute a limitation on the first device, and the first device can include more or fewer components than shown in the figure, or combine certain components, or arrange components differently, which will not be described in detail here.

It should be understood that in the embodiment of the present application, the input unit 1004 may include a graphics processing unit (GPU) 10041 and a microphone 10042, and the graphics processor 10041 processes the image data of the static picture or video obtained by the image capture device (such as a camera) in the video capture mode or the image capture mode. The display unit 1006 may include a display panel 10061, and the display panel 10061 may be configured in the form of a liquid crystal display, an organic light emitting diode, etc. The user input unit 1007 includes a touch panel 10071 and at least one of other input devices 10072. The touch panel 10071 is also called a touch screen. The touch panel 10071 may include two parts: a touch detection device and a touch controller. Other input devices 10072 may include, but are not limited to, a physical keyboard, function keys (such as a volume control key, a switch key, etc.), a trackball, a mouse, and a joystick, which will not be repeated here.

In the embodiment of the present application, after receiving downlink data from the network side device, the RF unit 1001 can transmit the data to the processor 1010 for processing; in addition, the RF unit 1001 can send uplink data to the network side device. Generally, the RF unit 1001 includes but is not limited to an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.

The memory 1009 can be used to store software programs or instructions and various data. The memory 1009 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.), etc. In addition, the memory 1009 may include a volatile memory or a non-volatile memory, or the memory 1009 may include both volatile and non-volatile memories. Among them, the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. Volatile memory can be random access memory (RAM), static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDRSDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DRRAM). The memory 1009 in the embodiment of the present application includes but is not limited to these and any other suitable types of memory.

The processor 1010 may include one or more processing units; optionally, the processor 1010 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to an operating system, a user interface, and application programs, and the modem processor mainly processes wireless communication signals, such as a baseband processor. It is understandable that the modem processor may not be integrated into the processor 1010.

The embodiment of the present application also provides a second device, including a processor and a communication interface, the communication interface is used to send a first message to a first device; the first message is used to instruct the first device to determine or execute a first behavior based on the first message; wherein the first device includes a tag or a terminal; the second device includes a network-side device or a terminal; the first behavior is associated with the memory state of the first device; the first behavior includes operating the memory of the first device, and/or feedback of information related to the memory state of the first device. This second device embodiment corresponds to the above-mentioned second device-side method embodiment, and each implementation process and implementation method of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.

FIG11 is a schematic diagram of the structure of the second device provided in an embodiment of the present application. As shown in FIG11 , the second device 1100 includes: an antenna 1101, a radio frequency device 1102, a baseband device 1103, a processor 1104, and a memory 1105. The antenna 1101 is connected to the radio frequency device 1102. In the uplink direction, the radio frequency device 1102 receives information through the antenna 1101 and sends the received information to the baseband device 1103 for processing. In the downlink direction, the baseband device 1103 processes the information to be sent and sends it to the radio frequency device 1102. The radio frequency device 1102 processes the received information and sends it out through the antenna 1101.

The method executed by the network-side device in the above embodiment may be implemented in the baseband device 1103, which includes a baseband processor.

The baseband device 1103 may include, for example, at least one baseband board, on which multiple chips are arranged, as shown in Figure 11, one of which is, for example, a baseband processor, which is connected to the memory 1105 through a bus interface to call the program in the memory 1105 and execute the network device operations shown in the above method embodiment.

The network side device may also include a network interface 1106, which is, for example, a common public radio interface (CPRI).

Specifically, the second device 1100 of the embodiment of the present invention also includes: instructions or programs stored in the memory 1105 and executable on the processor 1104. The processor 1104 calls the instructions or programs in the memory 1105 to execute the method shown in Figure 8 and achieve the same technical effect. To avoid repetition, it will not be repeated here.

An embodiment of the present application also provides an indication system, including: a first device and a second device, wherein the first device can be used to execute the steps of the indication method on the first device side as described above, and the second device can be used to execute the steps of the indication method on the second device side as described above.

The embodiment of the present application also provides a readable storage medium, which can be volatile or non-volatile, and stores a program or instruction on the readable storage medium. The program or instruction is processed When the device is executed, each process of the above-mentioned indication method embodiment is implemented and the same technical effect can be achieved. To avoid repetition, it will not be repeated here.

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

An embodiment of the present application further provides a chip, which includes a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the various processes of the above-mentioned indication method embodiment, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.

It should be understood that the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.

The embodiments of the present application further provide a computer program/program product, which is stored in a storage medium. The computer program/program product is executed by at least one processor to implement the various processes of the above-mentioned indication method embodiment and can achieve the same technical effect. To avoid repetition, it will not be repeated here.

It should be noted that, in this article, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus a necessary general hardware platform, and of course by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present application, or the part that contributes to the prior art, can be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, a magnetic disk, or an optical disk), and includes a number of instructions for enabling a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in each embodiment of the present application.

The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

A method of indicating, comprising:

The first device receives a first message sent by the second device;

The first device determines or executes a first action based on the first message;

Among them, the first device includes a tag or a terminal; the second device includes a network side device or a terminal; the first behavior is associated with the memory status of the first device; the first behavior includes operating the memory of the first device, and/or feedback of information related to the memory status of the first device.
The indication method according to claim 1, wherein the first message includes at least one of the following:

A first control command is used to select a device whose memory state matches a target memory state;

A second control command is used to instruct a device whose memory state matches the target memory state to start an inventory;

A third control command is used to instruct a device whose memory state matches the target memory state to read the memory;

A fourth control command, used to instruct a device whose memory state matches a target memory state to set or change a memory value;

A fifth control command, used to instruct a device whose memory state matches the target memory state to lock the memory;

The first indication is used to instruct a device supporting the target device information to execute the first behavior.
The indication method according to claim 1 or 2, wherein the operating the memory of the first device comprises at least one of the following:

Reading the memory content of the first device;

Setting or changing the memory value of the first device;

The memory of the first device is locked.
The indication method according to claim 1 or 2, wherein the information related to the memory status of the first device includes any one of the following:

first information, used to indicate whether the memory state of the first device matches the target memory state;

The memory status of the first device.
The indication method according to claim 4, wherein the first information includes at least one of the following:

Acknowledgement ACK, used to indicate that the memory state of the first device matches the target memory state;

Negative acknowledgement NACK, used to indicate that the memory state of the first device does not match the target memory state;

second information, used to indicate that a memory state of the first device matches a target memory state;

The third information is used to indicate that the memory state of the first device does not match the target memory state.
The indication method according to claim 2, wherein the first device determines or performs a first action based on the first message, comprising:

In a case where the first message includes any one of the first control command, the second control command, the third control command, the fourth control command, and the fifth control command, the first device determines the target memory state based on the first message;

The first device determines or executes the first behavior based on the target memory state and the memory state of the first device.
The indication method according to claim 6, wherein the first device determines the target memory state based on the first message, including at least one of the following:

In the case where any one of the first control command, the second control command, the third control command, the fourth control command and the fifth control command includes second information, the first device determines the target memory state based on the second information; the second information is used to directly indicate the target memory state;

The first device determines the target memory state based on a first mapping relationship and a cyclic redundancy check CRC type in the first control command; the first mapping relationship includes a mapping relationship between a device memory state and a CRC type.
The indication method according to claim 7, wherein the first mapping relationship is predefined by a network configuration or a protocol.
The indication method according to claim 6, wherein the first device determines or executes the first behavior based on the target memory state and the memory state of the first device, including at least one of the following:

In the case where the memory state of the first device matches the target memory state and the first message includes the first control command and the second control command, the first device determines or performs at least one of the following: feeding back an ACK to the second device; feeding back second information to the second device;

In the case where the memory state of the first device matches the target memory state, and the first message includes the third control command, the fourth control command, and the fifth control command, the first device determines or executes at least one of the following: reading the memory content of the first device; setting or changing the memory value of the first device; locking the memory of the first device;

When the memory state of the first device does not match the target memory state, the first device determines or performs at least one of the following: feeding back the memory state of the first device to the second device; feeding back NACK to the second device; feeding back third information to the second device.
The indication method according to claim 2, wherein the first device determines or performs a first action based on the first message, comprising:

In the case where the first message is the first indication, the first device determines or executes at least one of the following based on the first indication: reading the memory of the first device; and feeding back the first information to the second device.
The indication method according to claim 10, wherein the target bit in the first indication is used to indicate target device information; and the target bit is predefined by a network configuration or a protocol.
The indication method according to any one of claims 1 to 11, wherein the memory status of the first device includes at least one of the following:

Whether the memory stores data;

Business type of memory storage;

Amount of memory data;

The device information of the first device.
The indication method according to any one of claims 2 to 12, wherein the target memory state includes at least one of the following:

Whether the memory stores data;

Target business type of memory storage;

Target memory data volume;

Target device information.
The indication method according to claim 13, wherein the size of the target memory data volume is predefined by network configuration or protocol.
The indication method according to any one of claims 1 to 14, wherein the first device includes a device set matching the target memory state; the device set includes at least one device.
The indication method according to any one of claims 1 to 15, wherein the association relationship between the first message and the device set is predefined by a network configuration or a protocol.
A method of indicating, comprising:

The second device sends a first message to the first device; the first message is used to instruct the first device to determine or execute a first behavior based on the first message;

The first behavior is associated with the memory state of the first device; the first behavior includes operating the memory of the first device, and/or feeding back information related to the memory state of the first device.
The indication method according to claim 17, wherein the first message includes at least one of the following:

A first control command is used to select a device whose memory state matches a target memory state;

A second control command is used to instruct a device whose memory state matches the target memory state to start an inventory;

A third control command is used to instruct a device whose memory state matches the target memory state to read the memory;

A fourth control command, used to instruct a device whose memory state matches a target memory state to set or change a memory value;

A fifth control command, used to instruct a device whose memory state matches the target memory state to lock the memory;

The first indication is used to instruct a device supporting the target device information to execute the first behavior.
The indication method according to claim 17 or 18, wherein the operating the memory of the first device comprises at least one of the following:

Reading the memory content of the first device;

Setting or changing the memory value of the first device;

The memory of the first device is locked.
The indication method according to claim 17 or 18, wherein the information related to the memory status of the first device includes any one of the following:

first information, used to indicate whether the memory state of the first device matches the target memory state;

The memory status of the first device.
The indication method according to claim 20, wherein the first information includes at least one of the following:

Acknowledgement ACK, used to indicate that the memory state of the first device matches the target memory state;

Negative acknowledgement NACK, used to indicate that the memory state of the first device does not match the target memory state;

second information, used to indicate that a memory state of the first device matches a target memory state;

The third information is used to indicate that the memory state of the first device does not match the target memory state.
The indication method according to any one of claims 17 to 21, wherein the memory status of the first device includes at least one of the following:

Whether the memory stores data;

Business type of memory storage;

Amount of memory data;

The device information of the first device.
The indication method according to any one of claims 18 to 22, wherein the target memory state includes at least one of the following:

Whether the memory stores data;

Target business type of memory storage;

Target memory data volume;

Target device information.
The indication method according to claim 23, wherein the size of the target memory data volume is predefined by network configuration or protocol.
The indication method according to any one of claims 17 to 24, wherein the first device includes a device set matching the target memory state; the device set includes at least one device.
The indication method according to any one of claims 17 to 25, wherein the association relationship between the first message and the device set is predefined by a network configuration or a protocol.
A indicating device, comprising:

A receiving module, configured to receive a first message sent by a second device;

A determination module, configured to determine or execute a first action based on the first message;

Among them, the second device includes a network side device or a terminal; the first behavior is associated with the memory status of the first device; the first behavior includes operating the memory of the first device, and/or feedback of information related to the memory status of the first device.
A indicating device, comprising:

A sending module, configured to send a first message to a first device; the first message is used to instruct the first device to determine or execute a first behavior based on the first message;

Among them, the first device includes a tag or a terminal; the first behavior is associated with the memory status of the first device; the first behavior includes operating the memory of the first device, and/or feedback of information related to the memory status of the first device.
A first device comprises a processor and a memory, wherein the memory stores a program or instruction that can be run on the processor, and when the program or instruction is executed by the processor, the steps of the indication method as described in any one of claims 1 to 16 are implemented.
A second device comprises a processor and a memory, wherein the memory stores a program or instruction that can be run on the processor, and when the program or instruction is executed by the processor, the steps of the indication method as described in any one of claims 17 to 26 are implemented.
A readable storage medium storing a program or instruction, wherein the program or instruction, when executed by a processor, implements the indication method as described in any one of claims 1 to 16, or implements the steps of the indication method as described in any one of claims 17 to 26.