A novel anti-collision protocol in multiple readers RFID sensor networks

Wang Jian-wei, Wang Dong, Timo Korhonen, Zhao Yu-Ping

Research output: Contribution to journalArticlepeer-review


The reader collision problem (RCP) is the key problem affecting the reading efficiency in RFID systems. A novel anti-collision protocol-DREAM protocol is proposed to solve the reader collision problem in RFID systems. The new protocol dynamically selects temporal control centers to perform as cluster headers based on interference conditions and arranges the communication sequence of readers reasonably to completely avoid signal collisions among multiple readers. Both analytical and simulation results show that comparing to the current advanced PULSE protocol, DREAM protocol increases the reading efficiency significantly and meanwhile reduces the power consumption.

Original languageEnglish (US)
Pages (from-to)1411-1416
Number of pages6
JournalChinese Journal of Sensors and Actuators
Issue number8
StatePublished - Aug 2008
Externally publishedYes


  • Anti-collision
  • MAC
  • RCP
  • RFID

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering


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