A Multi-Channel MAC Protocol for Wireless Sensor Networks

  • Chen X
  • Han P
  • He Q
 et al. 
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In this paper we introduce TFMAC, a hybrid MAC protocol especially designed for wireless sensor networks in which each sensor node is equipped with a single half-duplex transceiver with multiple-frequency support. TFMAC incorporates multiple channels into a traditional TDMA scheme allowing different sensor nodes in a neighborhood to transmit on different channels simultaneously. Simulation results demonstrate that the proposed multiple-channel protocol provides higher maximum throughput and smaller average packet delay in respect to the basic single-channel TDMA scheme.

Author-supplied keywords

  • channel assignment
  • media access control
  • multi channel
  • wireless sensor networks

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  • Xun Chen

  • Peng Han

  • Qiu-sheng He

  • Shi-liang Tu

  • Zhang-long Chen

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