Frame Size Optimized Dynamic Framed Slotted ALOHA Algorithm

SUN Ruo-fan; FENG Yong-hua; YANG Qi; ZHANG Xu; WANG Yuan-xiang; LUO Ming; ZHANG Da-wei

doi:10.13756/j.gtxyj.2017.01.017

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Frame Size Optimized Dynamic Framed Slotted ALOHA Algorithm

- Frame Size Optimized Dynamic Framed Slotted ALOHA Algorithm
- Study on Optical communication Issue 1, Pages: 54-56(2017)
- 作者机构：
  
  1. 武汉邮电科学研究院
  2. 烽火通信科技股份有限公司
  3. 华中科技大学电子信息与通信学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2017.01.017
  CLC： TP391.44
- Published：2017，
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[1]孙若凡,冯勇华,杨奇,张旭,王元祥,罗鸣,张大卫.一种帧长优化的动态时隙ALOHA算法[J].光通信研究,2017(01):54-56.

SUN Ruo-fan, FENG Yong-hua, YANG Qi, et al. Frame Size Optimized Dynamic Framed Slotted ALOHA Algorithm. [J]. (1):54-56(2017)
[1]孙若凡,冯勇华,杨奇,张旭,王元祥,罗鸣,张大卫.一种帧长优化的动态时隙ALOHA算法[J].光通信研究,2017(01):54-56. DOI： 10.13756/j.gtxyj.2017.01.017.

SUN Ruo-fan, FENG Yong-hua, YANG Qi, et al. Frame Size Optimized Dynamic Framed Slotted ALOHA Algorithm. [J]. (1):54-56(2017) DOI： 10.13756/j.gtxyj.2017.01.017.

摘要

为了解决RFID（射频识别）系统中多标签通信时的碰撞问题

人们提出了各种防碰撞的算法

而动态时隙ALOHA算法是其中效率较高的一类。文章对动态时隙ALOHA算法中的最优帧长进行了研究

考虑到在使用曼彻斯特编码的前提下

标签发送的信息之间发生某些特殊的碰撞

阅读器依然能够正确识别标签的情形

提出了一种优化新算法。数学分析和仿真结果表明

与现有的动态时隙ALOHA算法相比

该算法的系统效率更高。

Abstract

For solving the problem of the collision between tags in Radio Frequency Identification（RFID）system

many anti-collision algorithms have been proposed.One of the efficient anti-collision algorithms is Dynamic Framed Slotted ALOHA（DFSA）algorithm.This paper studies the optimal frame size of EDFSA and proposes a new algorithm considering tags

which can be identified by a reader when special collision exists in some situation by using Manchester code.Mathematical analysis and simulation result shows that this algorithm is more efficient than DFSA.

关键词

射频识别防碰撞动态时隙ALOHA

Keywords

RFIDanti-collisionDFSA

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College of Telecommunication &Information Engineering,Nanjing University of Posts and Telecommunication

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