Abstract
The use of directional communication can result in higher performance of ad hoc networks in terms of throughput and delay. To exploit these advantages, we propose a system architecture that applies k air interfaces on each node. Each interface is equipped with a directional antenna. However, the energy consumption of such a system would be too high intuitionally. Power management is required that switches off the air interfaces if they are not needed. Hence, we design a detailed energy model for the system and a MAC protocol based on CSMA/CA with extensions for parallel directional communication, radiation power control and air interface power management. We verify and evaluate our implementation in a simulation environment. Our results show that the proposed system can achieve an energy efficiency comparable to a single antenna system while increasing the throughput and time efficiency of the resulting ad hoc network by a factor of 2-3.
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Grünewald, M., Xu, F., Rückert, U. (2005). Increasing the Resource-Efficiency of the CSMA/CA Protocol in Directional Ad Hoc Networks. In: Syrotiuk, V.R., Chávez, E. (eds) Ad-Hoc, Mobile, and Wireless Networks. ADHOC-NOW 2005. Lecture Notes in Computer Science, vol 3738. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11561354_8
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DOI: https://doi.org/10.1007/11561354_8
Publisher Name: Springer, Berlin, Heidelberg
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