Allocation of control and data channels for Large-Scale Wireless Sensor Networks

Details Allocation of control and data channels for Large-Scale Wireless Sensor Networks Allocation of control and data channels for Large-Scale Wireless Sensor Networks

2008-11-07

arxiv.org/abs/0811.1095v2

Computer Science

Networking and Internet Architecture

Scientific paper

Both IEEE 802.15.4 and 802.15.4a standards allow for dynamic channel allocation and use of multiple channels available at their physical layers but its MAC protocols are designed only for single channel. Also, sensor's transceivers such as CC2420 provide multiple channels and as shown in [1], [2] and [3] channel switch latency of CC2420 transceiver is just about 200$\mu$s. In order to enhance both energy efficiency and to shorten end to end delay, we propose, in this report, a spectrum-efficient frequency allocation schemes that are able to statically assign control channels and dynamically reuse data channels for Personal Area Networks (PANs) inside a Large-Scale WSN based on UWB technology.

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