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AMNP: ad hoc multichannel negotiation protocol for multihop mobile wireless networks

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2 Author(s)
Jenhui Chen ; Dept. of Comput. Sci. & Inf. Eng., Chang Gung Univ., Taiwan, Taiwan ; Yen-Da Chen

Increasing the capacity of wireless communication is an open and interesting research area which has attracted much attention. The familiar solution is dividing the radio spectrum into several independent radio channels, which can be operated and accessed simultaneously by all nodes within its radio transmitting power. All solutions of researches adopt multiple transceivers to fulfil this goal. Nevertheless, these schemes will be short of implementation and may increase the prime cost since most wireless devices only equip one transceiver. Moreover, with a few exceptions, most researchers have emphasized centralized resource allocation algorithms for cellular systems where the base station keeps track of the requirements of the various users and is thus responsible for the management of network resources. However, on the other hand, multihop mobile ad hoc networks (MANETs) are generally configured as peer-to-peer networks with no centralized hubs or controllers. Therefore, in this paper, we proposed a multichannel medium access control (MAC) protocol, named ad hoc multichannel negotiation protocol (AMNP), for multichannel transmission in distribution fashion. We address the issue of distributed resource allocation for multihop MANETs by presenting an AMNP that builds on the multichannel request-to-send/clear-to-send (MRTS/MCTS) bandwidth reservation mechanism under the constraint of single transceiver. We show via simulations that AMNP provides a higher throughput compared to its single channel counterpart by promoting simultaneous transmissions in different channels. Simulation results also show that the performance of proposed AMNP derives well than other multichannel approaches with multiple transceivers.

Published in:

Communications, 2004 IEEE International Conference on  (Volume:6 )

Date of Conference:

20-24 June 2004

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