CAJ | 학술논문

在多阅读器环境中，现有的大多数阅读器防碰撞算法在利用各种方式确定某些阅读器工作的同时，其他阅读器只能闲置，使得阅读器资源并未被充分利用。为优化碰撞算法和系统效率，提出一种改进算法，该算法利用闲置阅读器协助其他阅读器工作，并且引入身份竞争机制、双信道机制和载波监听机制减少碰撞。通过与Pulse算法和ALOHA算法的仿真对比实验，可以发现改进算法的系统效率和吞吐量有一定的优势。
재다열독기배경중，현유적대다수열독기방팽당산법재이용각충방식학정모사열독기공작적동시，기타열독기지능한치，사득열독기자원병미피충분이용。위우화팽당산법화계통효솔，제출일충개진산법，해산법이용한치열독기협조기타열독기공작，병차인입신빈경쟁궤제、쌍신도궤제화재파감은궤제감소팽당。통과여Pulse산법화ALOHA산법적방진대비실험，가이발현개진산법적계통효솔화탄토량유일정적우세。
In a multiple radio frequency identification (RFID) reader environment, most of the reader anti-collision algorithms use a variety of means to determine reader duty ratio, which leads to the reader resource not be fully exploited. In order to reduce collisions and optimize the system efficiency, this paper presents an improved algorithm which utilizes idled readers to assist those in work while avoiding conflict by introducing identity competition, double channels and carrier sensing. Simulation results show that the algorithm has certain advantage of system efficiency and system throughput in comparison with Pulse and ALOHA.