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This paper proposes a novel Cross-layer Cooperation Method for IEEE 802.16 mesh networks (CCM). CCM selects cooperation nodes through cross-layer consideration of both channel state of physical layer and control overhead on MAC layer to maximize throughput. CCM uses the enhanced three-way handshaking to allocate the bandwidths between source node and cooperation nodes. Extensive simulations are conducted...
Cooperative communication can obtain spatial diversity without using multiple antennas, and thus achieve more reliable transmission or consume less power. Accordingly, a new cooperative MAC mechanism in wireless networks, the DCMAC, is proposed in this paper. The DCMAC makes full use of the broadcasting characteristics of wireless channel to obtain channel information, chooses the most suitable cooperative...
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