Increasing the Resource-Efficiency of the CSMA/CA Protocol in Directional Ad Hoc Networks

Grünewald M, Xu F, Rückert U (2005)
In: Proceedings of the 4th International Conference on AD-HOCNetworks & Wireless. Cancun, Mexico.

Conference Paper | Published | English

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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. Increasing the Resource-Efficiency of the CSMA/CA Protocol in Directional Ad Hoc Networks. In: Proceedings of the 4th International Conference on AD-HOCNetworks & Wireless. Cancun, Mexico; 2005.
Grünewald, M., Xu, F., & Rückert, U. (2005). Increasing the Resource-Efficiency of the CSMA/CA Protocol in Directional Ad Hoc Networks. Proceedings of the 4th International Conference on AD-HOCNetworks & Wireless.
Grünewald, M., Xu, F., and Rückert, U. (2005). “Increasing the Resource-Efficiency of the CSMA/CA Protocol in Directional Ad Hoc Networks” in Proceedings of the 4th International Conference on AD-HOCNetworks & Wireless (Cancun, Mexico).
Grünewald, M., Xu, F., & Rückert, U., 2005. Increasing the Resource-Efficiency of the CSMA/CA Protocol in Directional Ad Hoc Networks. In Proceedings of the 4th International Conference on AD-HOCNetworks & Wireless. Cancun, Mexico.
M. Grünewald, F. Xu, and U. Rückert, “Increasing the Resource-Efficiency of the CSMA/CA Protocol in Directional Ad Hoc Networks”, Proceedings of the 4th International Conference on AD-HOCNetworks & Wireless, Cancun, Mexico: 2005.
Grünewald, M., Xu, F., Rückert, U.: Increasing the Resource-Efficiency of the CSMA/CA Protocol in Directional Ad Hoc Networks. Proceedings of the 4th International Conference on AD-HOCNetworks & Wireless. Cancun, Mexico (2005).
Grünewald, Matthias, Xu, Feng, and Rückert, Ulrich. “Increasing the Resource-Efficiency of the CSMA/CA Protocol in Directional Ad Hoc Networks”. Proceedings of the 4th International Conference on AD-HOCNetworks & Wireless. Cancun, Mexico, 2005.
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