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A Strategy for Scheduling Dynamic Parallel Sets of Readers

A reader and dynamic technology, applied in the field of reader dynamic parallel sets to implement dynamic scheduling, can solve unrealistic problems and achieve the effect of solving continuous scheduling problems

Active Publication Date: 2017-10-17
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

[0012] In a large-scale RFID application system, the number of readers involved may be thousands, and it is unrealistic to use the same PC to manage so many readers

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  • A Strategy for Scheduling Dynamic Parallel Sets of Readers
  • A Strategy for Scheduling Dynamic Parallel Sets of Readers
  • A Strategy for Scheduling Dynamic Parallel Sets of Readers

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Embodiment Construction

[0027] The technical scheme of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0028] Reader unit adding method: treat each newly added reader as an independent parallel set, and the priority weight of the parallel set is equal to the weight of the reader, such as figure 2 shown.

[0029] Reader recalculation and joining method: organize the remaining unprocessed readers in the ready queue and the newly added readers together, reconstruct the RFID network topology map according to the conflict relationship between readers, call the parallel set algorithm, and give New schedule collections, such as image 3 shown.

[0030] Generate a parallel set in full conflict mode: if the newly added reader conflicts with the ready queue, the newly added reader cannot be in the same parallel set as the previous reader, and the generated new conflict matrix is ​​generated according to the parallel set algorithm New parallel sets su...

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Abstract

The invention proposes a strategy for scheduling dynamic parallel sets of readers under a large-scale reader deployment environment. It is characterized in that the strategy mainly re-arranges the scheduling queue for the joining and exiting of scheduling tasks in the scheduling process, and solves the continuous scheduling problem in the RFID system. The joining and exiting of readers during the scheduling process will cause changes in the current parallel set of readers. In order to solve the problem of scheduling persistence, a new parallel set of readers needs to be generated to facilitate the scheduling policy to dynamically schedule readers. Aiming at the parallel sets of readers in different situations, two different scheduling strategies are proposed, which are first-come-first scheduling strategy and preemptive priority scheduling strategy, and realize the dynamic scheduling of readers.

Description

technical field [0001] The invention relates to a strategy for implementing dynamic dispatching of a dynamic parallel set of readers under a large-scale reader deployment environment. Aiming at the join and exit of reader scheduling tasks in the scheduling process, a method to regenerate reader parallel sets is proposed. Aiming at the parallel set of readers in different situations, two different scheduling strategies are proposed, which are the first-come-first scheduling strategy and the preemptive priority scheduling strategy, and realize the dynamic scheduling of readers. Background technique [0002] Radio Frequency Identification (RFID: Radio Frequency Identification) is a communication technology based on radio frequency signals, which belongs to the category of non-contact automatic identification technology. Compared with the barcode technology that has been widely used, RFID technology has the characteristics of large amount of stored information, multiple respons...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30G06K19/067
CPCG06K7/0008
Inventor 周世杰罗嘉庆刘强邓伟伟周扬葓张萌洁张悦涵徐进
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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