Abstract
In this article, we introduce a novel link layer cooperation technique in noisy wireless networks to improve overall system throughput and reliability, and to reduce the cost of retransmission and energy consumption. Under a cluster-based network design, Chase combining (Chase, IEEE Transactions on Communications 33(5):385–393, 1985) is used together with FEC to improve the link layer reliability. This approach is different from how combining is used in the conventional hybrid ARQ, which is in a sequential way. The analytical results and the simulations show that with the cooperation of nodes in a clustering network, the link reliability will be greatly improved with the same power consumption. We also show that not only transmission power is greatly reduced, but also the aggregate power consumption for a successful transmission and reception.
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Notes
It is unfortunate that we use the term “weight” both for the measure of the quality of a link (w i ) and for the number of ones in a binary sequence (d or W(·)).
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This work is supported in part by NSF under contract number NSF-ITR 0313095, and by a grant from Intel Corp.
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Yi, S., Kalyanaraman, S., Azimi-Sadjadi, B. et al. Energy-efficient cluster-based cooperative FEC in wireless networks. Wireless Netw 15, 965–977 (2009). https://doi.org/10.1007/s11276-007-0094-x
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DOI: https://doi.org/10.1007/s11276-007-0094-x