The low-power wireless bus: simplicity is (again) the soul of efficiency

  • Authors:
  • Federico Ferrari;Marco Zimmerling;Lothar Thiele;Luca Mottola

  • Affiliations:
  • ETH Zurich, Zurich, Switzerland;ETH Zurich, Zurich, Switzerland;ETH Zurich, Zurich, Switzerland;Swedish Institute of Computer Science, Kista, Sweden

  • Venue:
  • Proceedings of the 11th international conference on Information Processing in Sensor Networks
  • Year:
  • 2012

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Abstract

We present the low-power wireless bus (LWB), a simple yet efficient communication support for low-power wireless networks. The LWB maps different communication demands onto fast Glossy network flooding, effectively turning the wireless network into a bus-like infrastructure. The LWB requires no information of the network topology, thus drastically reducing the control overhead of common solutions such as route maintenance, and natively supports many-to-many communication and mobile nodes in addition to more traditional static, one-to-many scenarios. For instance, experiments on a 90-node testbed show that on average the LWB reduces packet loss by a factor of 231 and energy consumption due to communication by a factor of 11 compared to a state-of-the-art many-to-many routing protocol.