CN-121998581-A - Remote asset management system based on passive internet of things

CN121998581ACN 121998581 ACN121998581 ACN 121998581ACN-121998581-A

Abstract

The invention discloses a remote asset management system based on a passive Internet of things, which is characterized in that a communication machine room and a data machine room based on passive RFID tags are arranged in the machine room, an RFID reader-writer, a small-size passive plate antenna, wireless information acquisition equipment, FSU access equipment and the like are arranged in the machine room, meanwhile, a tag identification scheduling algorithm based on priority is adopted on passive RFID tag identification, the passive RFID tag identification is in butt joint with a machine room equipment asset management system, an intelligent management system covering the full life cycle of the machine room equipment from the arrival acceptance, the in-out machine (warehouse) room, the maintenance rejection, the spare part management and the like is constructed, the inventory of equipment assets in the machine room can be carried out in real time and remotely according to needs at low cost, the labor operation and maintenance cost is greatly reduced, the equipment resource utilization rate is improved, and the intelligent management level of the machine room equipment is further improved.

Inventors

YAN ZHEN
WANG YANJIAO
LI HAIJUN
Sang Qiao
LI XIAOLIANG
HU YAJING

Assignees

北京电信规划设计院有限公司
中讯邮电咨询设计院有限公司

Dates

Publication Date: 20260508
Application Date: 20260107

Claims (10)

1. A remote asset management system based on a passive Internet of things comprises passive RFID tags, RFID tag identification antennas, RFID readers and on-site movable ring monitoring units, and is characterized in that a tag identification scheduling algorithm based on priorities is arranged in the RFID readers, priorities are dynamically allocated to each passive RFID tag according to real-time states and service attributes of the passive RFID tags, response time slots are allocated based on the priorities, passive RFID tag information is orderly acquired, and the existing movable ring monitoring units of a machine room are used for accessing a remote equipment asset management center to realize automatic, real-time and full-flow management of equipment assets of the machine room.
2. The remote asset management system based on the passive Internet of things of claim 1, wherein the RFID tag identification antenna is a passive high-gain circularly polarized plate antenna.
3. The remote asset management system based on the passive Internet of things, which is characterized in that the tag identification scheduling algorithm based on the priority comprises parameter initialization, RFID tag state real-time acquisition, priority calculation, response time slot allocation and algorithm iterative optimization, wherein the parameter initialization immediately starts basic parameter configuration of a finishing algorithm after an RFID reader-writer is started, the RFID tag state real-time acquisition is used for dynamically acquiring state data of passive RFID tags, the priority calculation is used for determining the priority of each passive RFID tag, the response time slot allocation allocates a response time slot for each passive RFID tag according to the priority to orderly acquire passive RFID tag information, and the algorithm iterative optimization is based on identification results of the passive RFID tags and basic parameters of the optimization algorithm.
4. The remote asset management system based on the passive Internet of things according to claim 3, wherein the parameter initialization specifically comprises the steps of, S1.1, initializing algorithm basic parameters according to scene requirements and business rules, wherein the algorithm basic parameters comprise signal strength reference threshold values of passive RFID tags, priority level setting, resource proportions corresponding to the priority levels and weights of business attributes; S1.2, broadcasting an initialization instruction by the RFID reader-writer, and completing handshake with the passive RFID tag; s1.3, recording the ID of the RFID tag and the initial signal intensity value according to basic information fed back by the passive RFID tag.
5. The remote asset management system based on the passive Internet of things of claim 4, wherein the service attributes comprise device value, signal strength, timeliness, and the service attributes comprise weight device value weight, signal strength weight, timeliness weight.
6. The remote asset management system based on the passive Internet of things of claim 3, wherein the RFID tag status real-time acquisition comprises the steps of, S2.1, the RFID reader-writer sends a state inquiry instruction to the passive RFID tag according to a preset interval; S2.2, the RFID reader-writer analyzes the self real-time signal intensity of the back scattering of the passive RFID tags through the signal processing module, and records the signal intensity RSSI value of each passive RFID tag; s2.3, the RFID reader-writer calculates the relative position of the passive RFID tag by utilizing the arrival angle through multi-antenna positioning, and marks the passive RFID tag positioned in the signal shielding area; S2.4, recording the ID, the RSSI value, the position and the service attribute of each passive RFID tag.
7. The remote asset management system based on the passive Internet of things of claim 6, wherein the RSSI value of each passive RFID tag is continuously acquired 3 times by the RFID reader-writer for the RSSI value of the same passive RFID tag, and the RSSI value is determined after the interference of environmental noise is eliminated by moving average filtering.
8. The remote asset management system based on the passive internet of things of claim 3, wherein said response time slot allocation comprises the steps of, S3.1, calculating each service attribute score of each passive RFID tag respectively; s3.2, calculating the comprehensive priority score of each passive RFID tag through weighted summation; and S3.3, determining the priority of each passive RFID tag according to the comprehensive priority score.
9. The remote asset management system based on passive internet of things of claim 3, wherein said priority calculation comprises in particular the steps of, S4.1, setting a basic time unit of a scheduling frame, and distributing a scheduling frame response time slot for each priority according to a resource distribution proportion corresponding to each priority; S4.2, distributing exclusive response time slots to all passive RFID tags under each priority by adopting hash mapping according to the priority of each passive RFID tag; S4.3, broadcasting time slot instructions according to the time slot sequence by the RFID reader-writer, and orderly acquiring passive RFID tag information.
10. The remote asset management system based on the passive Internet of things according to claim 3, wherein the iterative optimization of the algorithm comprises the steps of, S5.1, counting the recognition rate of each priority; And S5.2, adjusting algorithm parameters aiming at the priority with the recognition rate not reaching the standard, reconfiguring the algorithm parameters, and executing in the next scheduling frame.

Description

Remote asset management system based on passive internet of things Technical Field The invention relates to the technical field of the Internet of things, in particular to a remote asset management system based on the passive Internet of things. Background The traditional communication machine room and the data machine room mainly rely on the mode of labeling, two-dimension code or passive RFID label, and the equipment management is performed by manual on-site checking and a simple resource management system. The management mode has the problems of low equipment checking efficiency, unclear resource condition and the like, can not track equipment in and out of a machine room in real time, can not find out the position change of the equipment in time or dynamically master the capacity of the machine room, has high labor and maintenance cost, low resource utilization rate and low asset checking efficiency, is difficult to effectively dock with an asset management system, and has potential safety hazard of asset loss. In the current machine room equipment management scene adopting the passive RFID tag, besides the main stream of manual checking equipment using a code scanning gun, the passive RFID tag can be automatically identified by adopting an active phased array antenna installed in the machine room, so that the automatic checking of the equipment is realized. However, the active phased array antenna has the problems of large volume, high power consumption, severe requirements on machine room environment, high omission ratio and the like, and cannot be popularized in large scale. Aiming at the current situations that the equipment management efficiency of a communication machine room and a data machine room is low, errors are easy to occur, the use condition of resources cannot be mastered in time, the utilization rate of the resources is low, and the like, the invention provides a remote asset management system based on the passive Internet of things. Disclosure of Invention The invention aims to provide a remote asset management system based on a passive Internet of things, which is used for solving the problems that equipment management efficiency of a communication machine room and a data machine room is low, errors are easy to occur, resource use conditions cannot be mastered in time, and resource utilization rate is low. The remote asset management system based on the passive Internet of things comprises passive RFID tags, RFID tag identification antennas, RFID readers and on-site movable ring monitoring units, wherein a tag identification scheduling algorithm based on priorities is arranged in the RFID readers, priorities are dynamically allocated to each passive RFID tag according to real-time states and service attributes of the passive RFID tags, response time slots are allocated based on the priorities, passive RFID tag information is orderly acquired, and the existing movable ring monitoring units of a machine room are used for accessing a remote equipment asset management center to realize automatic, real-time and full-flow management of equipment assets of the machine room. Further, the RFID tag identification antenna adopts a passive high-gain circularly polarized plate antenna. The tag identification scheduling algorithm based on the priority comprises parameter initialization, RFID tag state real-time acquisition, priority calculation, response time slot allocation and algorithm iterative optimization, wherein the parameter initialization immediately starts basic parameter configuration of a finishing algorithm after an RFID reader-writer is started, the RFID tag state real-time acquisition is used for dynamically acquiring state data of passive RFID tags, the priority calculation is used for determining the priority of each passive RFID tag, the response time slot allocation allocates the response time slot for each passive RFID tag according to the priority so as to orderly acquire passive RFID tag information, and the algorithm iterative optimization is based on identification results of the passive RFID tags and optimizes basic parameters of the algorithm. Further, the parameter initialization specifically comprises the following steps, S1.1, initializing algorithm basic parameters according to scene requirements and business rules, wherein the algorithm basic parameters comprise signal strength reference threshold values of passive RFID tags, priority level setting, resource proportions corresponding to the priority levels and weights of business attributes; S1.2, broadcasting an initialization instruction by the RFID reader-writer, and completing handshake with the passive RFID tag; s1.3, recording the ID of the RFID tag and the initial signal intensity value according to basic information fed back by the passive RFID tag. Further, the service attributes comprise equipment value, signal strength and timeliness, and the service attributes comprise weight equipment value weight, signa