Intelligent reader planning method for RFID system

A technology of intelligent planning and reader, applied in the field of RFID, can solve problems such as deviation from expected performance, and achieve the best effect of label identification efficiency

Inactive Publication Date: 2014-08-20
SUN YAT SEN UNIV
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  • Claims
  • Application Information

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Problems solved by technology

[0003] Generally, when deploying a new RFID application system, it is necessary to determine the number, location, and related technical parameters of readers; while in an existing RFID application system, the original expected performance is often deviated due to changes in the use environment , such as label reading efficiency

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  • Intelligent reader planning method for RFID system
  • Intelligent reader planning method for RFID system

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0023] A complete RFID application system includes server, reader and tag. The RFID application system controls each reader to read the tag through the server to obtain the data information stored in the tag. For a given RFID application system working area, given the number of readers, reader positions, available time slot resources and channel resources of the system, the optimal resource planning scheme can be obtained by using an intelligent optimization algorithm, that is, each The time slot resource and channel resource allocated to the reader. According to the obtained optimal resource planning scheme, the RFID application system allocates time slot resources and channel resources to each reader through the server. After obtaining the working time slot and channel, all readers can inquire ab...

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Abstract

The invention discloses an intelligent reader planning method for an RFID system. From the perspective of anti-collision resource distribution during cooperative work of multiple readers, the life cycle of the RFID system comprises an RFID system planning stage and an operation maintaining stage. In the planning stage, the optimal number and positions of readers and the corresponding time slot and channel resource distribution scheme are obtained based on available channel and time slot resources of the RFID system and the planned physical work space range, and the optical number of readers is the number of reference readers in the RFID system N*. In the operation maintaining stage, the number of the reference readers N* is compared with the current number of the readers N of the RFID system, intelligent reader planning of the RFID system is realized according to the relation between N* and N by keeping the current number of the readers unchanged or reinforcing the work of the readers or forbidding the work of redundant readers, and then the label reading efficiency of the system is optimized or is kept at a high level.

Description

technical field [0001] The present invention relates to the field of RFID, and more specifically, relates to an intelligent planning method for an RFID system reader. Background technique [0002] RFID readers are widely used in warehouse management and transportation logistics systems, which greatly improve the reading efficiency of cargo information. In a system with densely distributed tags, the tag reading efficiency of the reader becomes the key to the efficient operation of the system. Therefore, multiple readers are usually deployed to ensure the tag reading efficiency. However, in an RFID system where multiple readers work together, there is often mutual interference between readers, and the tag interrogation range and tag reading ability are often affected by other readers. Therefore, reader collision is one of the key factors for us to measure the tag reading efficiency of RFID system. The usual RFID reader anti-collision method is dedicated to maximizing the cov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04
Inventor 李中华李坚明禹琪琳杨汉培
Owner SUN YAT SEN UNIV
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