An RFID tag group pairing method and system

Abstract

The application discloses a kind of RFID tag group pairing method and system.By respectively installing trigger tag and detection tag on port and fiber connector respectively, trigger tag of each port is scanned in group using RFID, to find the detection tag connected therewith, to complete the association between port and fiber connector by tag identification.In routine inspection, the same method is used to check the information registered with the detected detection tag, to realize fault detection and positioning.For resource update, idle port is registered again using the same method.The application realizes the electronic registration of port resources, with low registration cost, high efficiency, visual reaction of detailed information of each port, facilitating routine inspection positioning and utilization of idle port.

Description

Technical Field

[0001] This invention relates to the field of the Internet of Things (IoT), and in particular to a method and system for pairing RFID tag groups. Background Technology

[0002] 5G has achieved large-scale commercialization, and the research and development of 6G is also on the agenda, both of which require the construction of fiber optic networks for physical support. With the rapid development of information technology, the scale of fiber optic network construction is becoming increasingly massive, with the number of patch cords and pigtails in indoor and outdoor equipment room distribution boxes and optical distribution boxes reaching thousands. Traditional management of port resources such as optical distribution networks (ODNs) mostly relies on QR code marking of fiber optic adapters, patch cords, or pigtails, entering the data into the system for basic line maintenance and service management. Initially, this method not only required a large amount of manpower for registration but was also prone to paper label wear and tear, resulting in some fiber optic ports remaining idle for extended periods (ultimately becoming "dead fibers"). Furthermore, while fault alarms can be seen in the background for port inspections, the lack of on-site indication of the port and fiber makes it difficult to quickly locate the faulty port, posing significant safety hazards for line maintenance. Summary of the Invention

[0003] The purpose of this invention is to provide an RFID tag group pairing method to address all or part of the problems mentioned above, thereby solving the problems of high cost, low efficiency, and unfriendly inspection of traditional paper QR code registration.

[0004] The technical solution adopted in this invention is as follows:

[0005] An RFID tag group pairing method, comprising:

[0006] Trigger tags are installed on each port of the network device. When the trigger tag is disabled, its output is the initial state V0. When it is enabled, its output is the trigger state V1.

[0007] Detection tags are installed on each fiber optic connector. When the fiber optic connector is inserted into the port, the input end of the detection tag is connected to the output end of the corresponding trigger tag. When the detection tag is not connected to the trigger tag, its connection state is in the first state. When the detection tag is connected to the trigger tag and no high level is detected at the input end of the detection tag, its connection state is in the first state. When the detection tag is connected to the trigger tag and a high level is detected at the input end of the detection tag, its connection state changes to the second state.

[0008] The RFID reader is used to register each port sequentially, including:

[0009] For each port, enable its trigger tag and perform a group scan to match detection tags with the connection status in the second state. If no detection tag with the connection status in the second state is found after one round of group scan, then disable the trigger tag of the current port and mark the current port as idle. If a detection tag with the connection status in the second state is found, then associate the detection tag with the current port and disable the trigger tag of the current port.

[0010] Furthermore, if a detection tag with a connection state of the second state is found, associating the detection tag with the current port and de-enabling the trigger tag of the current port includes:

[0011] If a detection tag with a connection status of the second state is found, then:

[0012] After associating the first detected tag with the current port, enable the trigger tag for the current port; or,

[0013] After associating all detected tags with the current port, de-enable the trigger tag for the current port.

[0014] Furthermore, associating the detection tag with the port means associating the identifier of the detection tag with the identifier of the trigger tag on the port.

[0015] Furthermore, after a round of group scanning is completed, the connection identifier is used to mark whether the port is idle.

[0016] Furthermore, after completing the registration process, the method also includes an inspection process:

[0017] For each port, the corresponding trigger tag is enabled using an RFID reader / writer, and a group scan is performed to match detection tags in the second connection state. If no detection tag in the second connection state is found after one round of group scanning, the trigger tag of that port is deenabled, and the port is checked to see if it is associated with a detection tag to determine if there is an abnormal disconnection. If a detection tag in the second connection state is found, the port is checked to see if it is associated with a detection tag to determine if there is an unknown connection, or the detection tag is checked to see if it is consistent with the associated detection tag to determine if there is a connection error, and the trigger tag of that port is re-enabled.

[0018] Furthermore, the methods also include:

[0019] Install detection tags on each of the newly connected fiber optic connectors;

[0020] The RFID reader is used to register each port that is normal and idle in sequence.

[0021] To address all or some of the aforementioned problems, the present invention also provides an RFID tag group pairing system, comprising an RFID reader / writer, multiple trigger tags, and at least one detection tag, wherein:

[0022] The trigger tag is used to be installed on each port of the network device in a one-to-one correspondence; when the trigger tag is disabled, its output terminal is low level, and when it is enabled, its output terminal is high level.

[0023] The detection tags are used to be installed one-to-one with the fiber optic connectors; when the detection tag is inserted into the fiber optic connector port, its input end is connected to the output end of the corresponding trigger tag; when the detection tag is not connected to the trigger tag, its connection state is in the first state; when the detection tag is connected to the trigger tag and no high level is detected at the input end of the detection tag, its connection state is in the first state; when the detection tag is connected to the trigger tag and a high level is detected at the input end of the detection tag, its connection state changes to the second state.

[0024] The RFID reader is configured to register each port. For each port, it enables its trigger tag and performs a group scan to match detection tags in the second connection state. If no detection tag in the second connection state is found after a round of group scan, the current trigger tag is deenabled and the current port is marked as idle. If a detection tag in the second connection state is found, the detection tag is associated with the current trigger tag and the current trigger tag is deenabled.

[0025] Furthermore, after discovering the first connected tag in the second connection state, the RFID reader de-enables the currently triggered tag; or, after a round of group scanning, the RFID reader de-enables the currently triggered tag.

[0026] Furthermore, the RFID reader is also configured to perform inspections on each port. For each port, the corresponding trigger tag is enabled, and a group scan is performed to match detection tags in the second connection state. If no detection tag in the second connection state is found after a round of group scanning, the current trigger tag is deenabled, and it is checked whether the current trigger tag is associated with a detection tag to determine if there is an abnormal disconnection. If a detection tag in the second connection state is found, it is checked whether the current trigger tag is associated with a detection tag to determine if there is an unknown connection, or it is checked whether the detection tag is consistent with the associated detection tag to determine if there is a connection error, and the trigger tag of that port is also deenabled.

[0027] Furthermore, the RFID reader is also configured to register idle ports after a detection tag is installed on a newly connected fiber optic connector.

[0028] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0029] 1. This invention enables contactless, digital identification and registration of ports by adding tags without altering existing network equipment wiring and enclosure structure. It boasts low registration costs and allows for rapid registration and visual management of port resources. Furthermore, it is applicable to any port asset pairing and inventory management, such as "one-to-one" or "one-to-many" pairings. In addition, it allows for daily port inspections, enabling control over the status of registered ports. Furthermore, it incorporates fault detection functionality, allowing for rapid location of fault points and fault types.

[0030] 2. This invention automatically registers and manages port resources through group scanning. Since the number of ports on network devices is enormous, this invention enables rapid registration, inspection, and updating of a large number of port resources without human intervention.

[0031] 3. This invention can quickly locate a specified port. Attached Figure Description

[0032] The present invention will be described by way of example and with reference to the accompanying drawings, wherein:

[0033] Figure 1 This is a diagram illustrating the detection tag and the trigger tag short circuit.

[0034] Figure 2 This is a diagram illustrating the connection between the detection tag and the trigger tag, but without enabling the trigger tag.

[0035] Figure 3 This is a diagram illustrating the connection between the detection tag and the trigger tag, and the enabling of the trigger tag.

[0036] Figure 4 This is an example of pairing multiple trigger tags and detection tags.

[0037] Figure 5 Yes Figure 4 Schematic diagram of inspection status in an example. Detailed Implementation

[0038] All features disclosed in this specification, or all steps in all disclosed methods or processes, may be combined in any way, except for mutually exclusive features and / or steps.

[0039] Any feature disclosed in this specification (including any appended claims and abstract) may be replaced by other equivalent or similar features, unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is merely one example of a series of equivalent or similar features.

[0040] This invention utilizes the characteristics of electronic tags, such as low cost, low power consumption, strong penetration, encryption capability, large storage capacity, multiple read / write capability, and passive operation, to design a visualized resource management and operation and maintenance solution for network device port resource management.

[0041] For ease of explanation, in this embodiment of the invention, a low output level represents the initial state V0 of the detection tag, and a high output level represents the trigger state V1 of the detection tag. It should be understood that this is merely an example of representing two states of the detection tag, and other variables can be used to represent the initial state V0 and the trigger state V1 of the detection tag without violating the basic principles.

[0042] Example 1

[0043] This embodiment discloses an RFID tag group pairing method, which includes:

[0044] A trigger tag 1 is installed on each port of the communication equipment (such as ODN, optical splitter, etc., or other network equipment; this invention only uses communication equipment as an example). The output port of the trigger tag 1 is equipped with a conductive probe 3. Under normal conditions (disabled / deactivated state), the trigger tag 1 has no voltage output (i.e., the output is low level). In the enabled state (trigger enable function state, which can be triggered by level or by other changes), the output terminal outputs a high level.

[0045] Install a detection tag 2 on each fiber optic connector. When the fiber optic connector is not inserted, detection tag 2 is disconnected from trigger tag 1. When the fiber optic connector is inserted, its input terminal (SD in the diagram) is connected to the output terminal (OUT in the diagram) of trigger tag 1, and its GND terminal is connected to the GND terminal of trigger tag 1. Figure 1 As shown, when both the input terminal and GND of the detection tag 2 are open, its connection state is represented as S (corresponding to the first state); as Figure 2 As shown, when both the input terminal and GND are short-circuited, and no high level is detected at the input terminal (i.e., trigger tag 1 is not enabled), its connection state is still represented as S (it can also be represented as something else, as long as it is different from O); in addition, as Figure 3As shown, when the input terminal and GND of detection tag 2 are both short-circuited, and a high level is detected at the input terminal (i.e., triggering tag 1 to be enabled), the connection state changes from state S to state O (corresponding to the second state). A short circuit at the input terminal of detection tag 2 means that the input terminal is connected to the conductive probe on the output terminal of trigger tag 1 through matching circuit 4. A short circuit at the GND terminal of detection tag 2 means that the GND terminal is connected to the GND terminal of trigger tag 1. The connection state of detection tag 2 can be obtained by reading the state data (O or S) from the tag state address saddr. For each detection tag 2, its connection state can be represented as:

[0046]

[0047]

[0048] In addition, for certain services that require authorization, anti-counterfeiting encrypted tag chips can be used for trigger tags and detection tags. During the pairing process, tag access operations are transmitted based on encrypted processes, realizing service activation authorization management and interface tamper-proofing.

[0049] Resource registration process: For each port, the RFID reader enables its trigger tag 1 and performs a group scan to match detection tags 2 with a connection status of O (status data in the tag status address saddr is O). If no detection tag 2 with a connection status of O is found after one round of group scanning, it means that the port is idle, and then the trigger tag 1 of that port is enabled. If a detection tag 2 with a connection status of O is found, it means that the port is connected to a fiber optic connector. The detection tag 2 is associated with the current port, for example, the detection tag 2 is associated with the trigger tag 1 of that port. For example, the TID of the detection tag is obtained and associated with the TID of the trigger tag 1 of the current port. For one-to-one port connection, the trigger tag 1 of that port is enabled, and there is no need to scan other detection tags 2. Then the group scan is performed on the next port. For one-to-many port connection, the trigger tag 1 of that port is enabled after all detection tags 2 are scanned. For each port, it can also be marked whether a service fiber optic connection exists, i.e., whether the port is occupied. For example, the connection identifier fi can be used to mark the port; if it is idle, fi = 0; if a fiber optic connector is connected, fi = 1. Associating detection tag 2 with the port can be done in a way that uniquely identifies each tag, such as (fi, trigger tag TID, detection tag TID) or (fi, trigger tag EPC, detection tag EPC). For one-to-many registration, all the TIDs (or EPCs, etc.) of detection tag 2 are sequentially written after the TID (or EPC, etc.) of trigger tag 1, for example, (fi, trigger tag TID, detection tag TID1, detection tag TID2, ...). For example, port 1 is registered as (1, a1, b1), which means that a service fiber optic cable is connected to port 1, the TID of trigger tag 1 on this port is a1, and the TID of detection tag 2 on the fiber optic connector connected to this port is b1.

[0050] After registering and matching the fiber optic connectors of all ports, resource management and data storage can be completed. Following registration, subsequent inspections of the communication equipment (such as routine inspections) are required. During inspection, for each port, the corresponding trigger tag 1 is enabled using an RFID reader, and a group scan is performed to match detection tags 2 whose status data in the tag status address saddr is 0. If no detection tag 2 with an open circuit status (0) is found after one round of group scanning, it indicates that the port is idle. Then, the trigger tag 1 for that port is enabled. At this point, it is checked whether the port has a registered detection tag 2 (this can be checked through the registered connection identifier or by checking whether a detection tag 2 is registered) to determine if there is an abnormal disconnection. If a detection tag 2 with a connection status of 0 is found, it is checked whether this detection tag 2 matches the registered detection tag 2 to determine if there is a connection error, or whether the port has a registered detection tag 2 to determine if there is an unknown connection, and then the trigger tag 1 is enabled. In this way, in addition to initial registration of the network ports of communication devices, daily inspections can also be carried out, providing three status indicators: idle, correctly connected, and abnormally connected. Abnormal statuses can also include more specific types, such as connection error, unknown connection, etc.

[0051] In addition, new service optical fibers may be added after the communication equipment is registered, that is, the previously idle ports will be used. In this case, for resource updates, after installing detection tag 2 on the newly connected optical fiber connector, the above resource registration process is performed on the previously idle ports.

[0052] Example 2

[0053] This embodiment discloses an RFID tag group pairing system, which includes multiple trigger tags, at least one detection tag, and an RFID reader / writer, wherein:

[0054] The trigger tags are configured to be installed one-to-one on each port of the communication equipment. The trigger tag includes an output terminal and a GND terminal. Under normal conditions (disabled / deactivated state), there is no voltage output on the output terminal. In the enabled state (trigger enable function state), the output terminal outputs a high level.

[0055] The detection tags are installed one-to-one onto the fiber optic connectors. Each detection tag includes an input end and a GND end. When the fiber optic connector is not inserted, the detection tag is disconnected from the trigger tag; when the fiber optic connector is inserted, its input end is connected to the output end of the trigger tag, and its GND end is connected to the GND end of the trigger tag. For example... Figure 1 As shown, when the detection tag is in an open-circuit state at both the input and GND terminals, its tag status address saddr is set to S; as Figure 2As shown, when both the input terminal and GND are short-circuited, and no high level is detected at the input terminal (i.e., the trigger tag is not enabled), its tag status address saddr is set to S; additionally, as Figure 3 As shown, when the detection tag is short-circuited at both the input and GND terminals, and a high level is detected at the input terminal (i.e., the tag is enabled), the tag status address saddr changes from S to O.

[0056] The RFID reader is configured to register all ports. For each port, the RFID reader enables the trigger tag and performs a group scan to find tags with a status data of 0 in the tag status address `saddr`. If no tag with an open connection status of 0 is found after a round of group scanning, the corresponding port is considered idle, and the current trigger tag is then enabled, marking the current port as idle. If a tag with a connection status of 0 is found, it indicates that the corresponding port is connected to a fiber optic connector. This tag is then associated with the trigger tag, for example, by obtaining the tag's TID and associating it with the TID of the current trigger tag. For one-to-one port connections, the current trigger tag is enabled without scanning other tags, and the group scan proceeds to the next trigger tag. For one-to-many port connections, the current trigger tag is enabled only after scanning all tags. Each port can also be marked to indicate whether a service fiber optic connection exists, i.e., whether the port is occupied. For example, a connection identifier `fi` is used to mark the port; if idle, `fi = 0`; if a fiber optic connector is connected, `fi = 1`. The above-mentioned association between detection tags and trigger tags can be registered as (fi, trigger tag TID, detection tag TID), or (fi, trigger tag EPC, detection tag EPC), etc., to uniquely identify each tag. For one-to-many registration, the identifiers TID (or EPC, etc.) of all detection tags are sequentially written after the first detection tag, for example (fi, trigger tag TID, detection tag TID1, detection tag TID2, ...). For example, (1, a1, b1) registered for port 1 indicates that a service fiber optic cable is connected to port 1, the trigger tag TID on this port is a1, and the detection tag TID on the fiber optic connector connected to this port is b1. Finally, the RFID reader will also upload the registration information of all ports to the asset management system via Bluetooth, 4G / 5G communication networks, etc.

[0057] In addition, the RFID reader is also configured to perform inspections on each port. During inspection, for each port, the RFID reader enables its trigger tag and performs a group scan to match detection tags whose status data in the tag status address saddr is 0. If no detection tag with a connection status of 0 is found after one round of group scan, it indicates that the port is idle. Then, the reader enables the current trigger tag and checks whether the trigger tag is associated with a detection tag (this can be checked by checking the registered connection identifier or by checking whether it is associated with a detection tag) to determine if there is an abnormal disconnection. If a detection tag with a connection status of 0 is found, the reader checks whether the detection tag is consistent with the registered detection tag to determine if there is a connection error, or checks whether the trigger tag is associated with a detection tag to determine if there is an unknown connection, and then enables the current trigger tag.

[0058] In addition, the RFID reader is configured to update the registration of idle ports. The RFID is configured to register previously (initially registered) idle ports after a detection tag is installed on a newly connected fiber optic connector.

[0059] Example 3

[0060] This embodiment introduces an RFID tag group pairing system, such as... Figure 4 As shown, the system includes multiple trigger tags, labeled 11, 12, 13, 14...1n, where n represents the number of communication device ports. The system also includes multiple detection tags, labeled 21, 22...24..., where each detection tag 2k (k = 1, 2...n) corresponds to a trigger tag 1k, forming a tag pair. If trigger tag 1k does not have a corresponding detection tag 2k, it indicates that the port containing trigger tag 1k is idle. The structure and characteristics of the trigger and detection tags are the same as in the previous embodiment: the OUT pin (output terminal) of trigger tag 1 is low by default, represented by 0; when the trigger function is enabled, OUT is high, represented by 1. The SD pin (input terminal) of the detection tag 2 is low by default, represented by 0, and GND is also low (0). When the SD and GND pins are connected to the OUT and GND pins of the trigger tag 1 respectively, they are in a short-circuit state by default, and the tag status address saddr is set to S. When the SD pin goes high, represented by 1, the detection tag 2 switches to an open-circuit state, and the tag status address saddr is set to 0. The system also includes a UHF RFID reader / writer 100.

[0061] like Figure 2 As shown, when the fiber optic connector is inserted into the port, the trigger tag chip 1 and the detection tag chip 2 are connected through the conductive probe 3 and the matching circuit 4, forming a conductive path. If the trigger function of the trigger tag 1 is not enabled, its pin OUT remains at a low level of 0, and the detection tag 2 remains in a short-circuit state S.

[0062] like Figure 3 As shown, when the fiber optic connector is inserted into the port, trigger tag 1 and detection tag 2 are connected through conductive probe 3 and matching circuit 4, forming a conductive path. If the trigger function of trigger tag 1 is enabled, OUT changes from 0 to 1, and pin SD of detection tag chip 2 is connected to OUT, also changing from 0 to 1, and its connection state changes from state S to state O.

[0063] For initial registration, the following applies:

[0064] 1. For example Figure 4 As shown, n trigger tags 11, 12, ..., 1n are installed on n network ports respectively; in addition to the trigger tags, it is ensured that there are no other tags within the readable range to prevent cross-reading.

[0065] 2. The UHF RFID reader 100 starts the disk access mode, sends Select, Query, and Read commands to read all port trigger tag TID (EPC) values ​​a1, a2, ... an and caches them, then enters sleep mode.

[0066] 3. If the current port is connected to a service fiber, then detection tags 21, 22, ..., 2n are installed on each fiber connector; the trigger tag 1i (i = 1 to n) corresponding to each port is connected to the detection tag 2i (i = 1 to n) through a conductive probe and a matching circuit.

[0067] 4. The UHF RFID reader 100 activates the matching and inventory access mode, sends Select and Query commands, matches and locks the trigger tag 1i with TID (EPC) ai, and enables the trigger function. Figure 4 (Trigger tag 11). Then, resend the Select and Query commands to match tags whose connection tag status address saddr status data is 0.

[0068] 5. Once the corresponding detection tag is found, read the TID (EPC) value bi of that detection tag and cache it. Figure 4 The middle tag pairs are (11, 21), (12, 22), (14, 24)...). The UHF RFID reader 100 disables the trigger function of the trigger tag 1i, exits the current inventory, and stores the TID (EPC) value ai of the trigger tag 1i on the port and the TID (EPC) value bi of the detection tag 2i on the fiber optic connector as the pairing result (1, ai, bi) locally, where "1" is the connection identifier fi.

[0069] 6. If no tag with a saddr storage status of 0 is matched after one round of inventory processing, it means that no fiber optic connector is connected to the current port, and it is in an idle state. Figure 4 The port corresponding to trigger tag 13 is an idle port. UHF RFID reader 100 disables the trigger function of trigger tag 1i and stores the TID (EPC) value ai of trigger tag 1i on the port as the pairing result (0, ai, 0) locally.

[0070] Repeat steps 4-6 to sequentially match and lock trigger tags 11-1n with TID(EPC) a1-an to obtain the pairing table of all ports (1,a1,b1), (1,a2,b2), (0,a3,0), (1,a4,b4), ..., (0,an,0), and upload it to the server via Bluetooth, 4G / 5G or other communication networks to update asset management data.

[0071] For routine inspections, the following are included:

[0072] 1. The UHF RFID reader 100 connects to asset management data via communication networks such as Bluetooth and 4G / 5G, obtains the current pairing table of all ports and optical fibers (1,a1,b1), (1,a2,b2), (0,a3,0), (1,a4,b4), ..., (0,an,0), and stores it locally.

[0073] 2. The UHF RFID reader 100 activates the matching and inventory access mode, sends Select and Query commands to match and lock the trigger tag 1i with TID (EPC) ai, and enables the trigger function. Then, it resends the Select and Query commands to match the detection tag whose status data in the tag connection status address saddr is 0.

[0074] 3. Once the corresponding detection tag is found, the UHF RFID reader 100 reads and caches the tag's TID (EPC) value xi, enables the triggering function of tag 1i, and exits the current inventory round. If the connection flag fi = 1 and xi = bi in the obtained pairing table, it indicates that the current port connection status is normal (e.g., ...). Figure 5 The labels of the thin solid-line square boxes are 11 and 21); if the connection flag fi = 1 in the obtained pairing table and xi ≠ bi, it indicates that the current port connection is incorrect (e.g., Figure 5 The labels with thin solid lines and rounded corners (pairs 12 and 2x) are stored by the UHF RFID reader 100 as connection error warnings (2, ai, xi), where 2 represents the connection error warning identifier. If the connection flag fi = 0 in the obtained pairing table, it indicates that an unknown connection has been added to the current port (e.g., ...). Figure 5 The label with the fine dashed rounded corner is 13 and 2y). The UHF RFID reader 100 stores the unknown connection warning (3, ai, xi), where 3 represents the unknown connection warning identifier.

[0075] 4. If no tag with a status data of 0 is found in the tag status address saddr after one round of inventory, it indicates that the current port has no fiber optic connection and is in an idle state. The UHF RFID reader 100 will disable the triggering function of tag 1i. If the connection flag fi = 0 in the obtained pairing table, it indicates that the current port connection status is normal (e.g., ...). Figure 5 The port base label 1n is a thin solid-line square frame; otherwise, it indicates that the current port connection has been abnormally disconnected (e.g., ...). Figure 5 The port base label 14 of the dotted line rounded frame, the UHF RFID reader 100 stores the disconnection warning (4,ai,0), where 4 represents the disconnection warning indicator.

[0076] Repeat steps 1 to 4 to match and lock the trigger tags 11 to 1n with TID (EPC) a1 to an in sequence, and obtain the abnormal warning table of all interfaces (2, a2, x2), (3, a3, x3), (4, a4, 0),... If the warning table is not empty, upload it to the server via Bluetooth or 4G / 5G.

[0077] Regarding resource updates, we have:

[0078] Based on the inspection operation, idle ports in a normal connection state (such as...) are obtained. Figure 5 The corresponding trigger tag TID(EPC) list L for the port base tag 1n of the thin solid line square frame.

[0079] The detection tags are installed sequentially onto the fiber optic connector of each new service and connected to an idle port; the trigger tag and detection tag corresponding to the port are connected via conductive probes, etc.

[0080] Repeat steps 4 to 6 in the initial registration process until the pairing of trigger tags for all ports in list L is completed, obtain the port and fiber optic connector pairing table for the new service (i.e., the association between trigger tags and detection tags), and upload it to the server via communication networks such as Bluetooth, 4G / 5G to update the asset management data.

[0081] It should be noted that this invention can be applied to network connections of single-level communication devices, as well as to communication networks requiring multi-level communication devices for switching. The pairing principle of the ports of each level of communication device is the same, and all are completed according to the pairing scheme in this invention. Furthermore, it should be emphasized again that the trigger tag in this invention can be level-triggered, or it can be a current or other changing quantity; the detection tag chip can be a peripheral continuity detection, or it can detect other electrical connection states or impedance values, etc. Also, although in this invention, both states 1 and 2 are represented by S, i.e., both belong to the first state, it should be understood that this is only a category representation to distinguish them from state O (i.e., distinguish them from the second state). In practice, the connection states of states 1 and 2 can be represented by the same identifier, for example, both represented by S, or different identifiers can be used to represent the connection states. For example, the connection state of state 1 is S1, and the connection state of state 2 is S2. S1 and S2 both belong to the category S. That is, in this invention, the first state (or S) and the second state (or O) can refer to specific identifiers or to the category of identifiers. Based on the principles of this invention, it can also be applied to pairing other tags (such as NFC). The RFID reader / writer in this invention can be a handheld reader / writer or a fixed reader / writer, for example, installed in a wiring box or optical distribution box, for periodic automatic inspection or resource updates.

[0082] This invention is not limited to the specific embodiments described above. The invention extends to any new feature or combination disclosed in this specification, as well as any new method or process step or combination disclosed herein.

Claims

1. A method for pairing RFID tag groups, characterized in that, include: Trigger tags are installed on each port of the network device. When the trigger tag is disabled, its output is low, indicating the initial state V0. When enabled, its output is high, indicating trigger state V1; Detection tags are installed on each fiber optic connector. When the fiber optic connector is inserted into the port, the input end of the detection tag is connected to the output end of the corresponding trigger tag. When the detection tag is not connected to the trigger tag, its connection state is in the first state. When the detection tag is connected to the trigger tag and the trigger state V1 is not detected at the input end of the detection tag, its connection state is in the first state. When the detection tag is connected to the trigger tag and the trigger state V1 is detected at the input end of the detection tag, its connection state changes to the second state. The connection status of a tag is detected by reading the status data from the tag's status address. The RFID reader is used to register each port sequentially, including: For each port, enable its trigger tag and perform a group scan to match the detection tags with the connection status in the second state. If no detection tags with the connection status in the second state are found after one round of group scan, then disable the trigger tag of the current port and mark the current port as idle. If a detection tag with a connection status of the second state is found, then the detection tag is associated with the current port, and the trigger tag of the current port is disabled.

2. The RFID tag group pairing method as described in claim 1, characterized in that, If a detection tag in the second connection state is found, then associate that detection tag with the current port, and de-enable the trigger tag for the current port, including: If a detection tag with a connection status of the second state is found, then: After associating the first detected tag with the current port, enable the trigger tag for the current port; or, After associating all detected tags with the current port, de-enable the trigger tag for the current port.

3. The RFID tag group pairing method as described in claim 1, characterized in that, Associating a detection tag with a port means associating the identifier of the detection tag with the identifier of the trigger tag on the port.

4. The RFID tag group pairing method as described in claim 3, characterized in that, After a round of group scanning is completed, the connection identifier is used to mark whether the port is idle.

5. The RFID tag group pairing method as described in any one of claims 1-4, characterized in that, After completing the registration process, an inspection process is also included: For each port, the corresponding trigger tag is enabled using an RFID reader / writer, and a group scan is performed to match detection tags in the second connection state. If no detection tag in the second connection state is found after one round of group scanning, the trigger tag of that port is deenabled, and the port is checked to see if it is associated with a detection tag to determine if there is an abnormal disconnection. If a detection tag in the second connection state is found, the port is checked to see if it is associated with a detection tag to determine if there is an unknown connection, or the detection tag is checked to see if it is consistent with the associated detection tag to determine if there is a connection error, and the trigger tag of that port is re-enabled.

6. The RFID tag group pairing method as described in claim 5, characterized in that, Also includes: Install detection tags on each of the newly connected fiber optic connectors; The RFID reader is used to register each port that is normal and idle in sequence.

7. An RFID tag group pairing system, characterized in that, It includes an RFID reader / writer, multiple trigger tags, and at least one detection tag, wherein: The trigger tag is used to be installed on each port of the network device in a one-to-one correspondence; when the trigger tag is disabled, its output terminal is low level, indicating the initial state V0, and when it is enabled, its output terminal is high level, indicating the trigger state V1. The detection tags are used to be installed one-to-one with the fiber optic connectors. When the detection tag is inserted into the fiber optic connector port, its input end is connected to the output end of the corresponding trigger tag. When the detection tag is not connected to the trigger tag, its connection state is in the first state. When the detection tag is connected to the trigger tag and the trigger state V1 is not detected at the input end of the detection tag, its connection state is in the first state. When the detection tag is connected to the trigger tag and the trigger state V1 is detected at the input end of the detection tag, its connection state changes to the second state. The connection state of the detection tag is obtained by reading the status data of the tag status address. The RFID reader is configured to register each port. For each port, it enables its trigger tag and performs a group scan to match detection tags in the second connection state. If no detection tag in the second connection state is found after a round of group scan, the current trigger tag is deenabled and the current port is marked as idle. If a detection tag in the second connection state is found, the detection tag is associated with the current trigger tag and the current trigger tag is deenabled.

8. The RFID tag group pairing system as described in claim 7, characterized in that, After discovering a detection tag in the first connection state or the second state, the RFID reader de-enables the currently triggered tag; or, after a round of group scanning, the RFID reader de-enables the currently triggered tag.

9. The RFID tag group pairing system as described in claim 7, characterized in that, The RFID reader is also configured to inspect each port. For each port, the corresponding trigger tag is enabled, and a group scan is performed to match detection tags in the second connection state. If no detection tag in the second connection state is found after a round of group scan, the current trigger tag is deenabled, and it is checked whether the current trigger tag is associated with a detection tag to determine if there is an abnormal disconnection. If a detection tag in the second connection state is found, it is checked whether the current trigger tag is associated with a detection tag to determine if there is an unknown connection, or it is checked whether the detection tag is consistent with the associated detection tag to determine if there is a connection error, and the trigger tag of that port is also deenabled.

10. The RFID tag group pairing system as described in claim 7 or 9, characterized in that, The RFID reader is also configured to register idle ports after a detection tag is installed on a newly connected fiber optic connector.

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