Abstract
It is a challenging task to design an efficient MAC protocol in Ad Hoc networks due to the lack of central control equipments. In this paper, a new multi-channel MAC protocols with dynamic channel allocation in CDMA Ad Hoc networks, MMAC-DCA, is presented. In MMAC-DCA, the wireless channel is divided into one common sub-channel and L service sub-channels by CDMA mechanism. All the nodes exchange RTS and CTS on the common sub-channel to reserve the service sub-channels for transmission. Different from the MACA/C-T and C-T, the service sub-channels are allocated dynamically in the distributed mode only when a node has a package to transmit. The protocol can reduce the number of spreading codes required and increase the throughput normalized by available bandwidth. In addition, a Markov mode is presented to analyze the performance of this protocol in theory including the normalized throughput and the transfer delay of data packages.
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© 2006 Springer-Verlag Berlin Heidelberg
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Qiu, J., Fan, G., Li, H., Lin, X. (2006). A Multi-channel MAC Protocol with Dynamic Channel Allocation in CDMA Ad Hoc Networks. In: Zhuang, Y., Yang, SQ., Rui, Y., He, Q. (eds) Advances in Multimedia Information Processing - PCM 2006. PCM 2006. Lecture Notes in Computer Science, vol 4261. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11922162_52
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DOI: https://doi.org/10.1007/11922162_52
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-48766-1
Online ISBN: 978-3-540-48769-2
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