Abstract
In this paper, we propose a new Distributed Cooperation and Diversity Combining framework. Our focus is heterogeneous networks with devices equipped with two types of radio frequency (RF) links: short-range high-rate interface (e.g., IEEE802.11), and a long-range low-rate interface (e.g., cellular) communicating in fading channels. Within this framework, we propose and evaluate a set of distributed cooperation techniques operating at different hierarchical levels with resource constraints such as short-range RF bandwidth. We propose a Priority Maximum-Ratio Combining (PMRC) for pre-demodulation combining, a post soft-demodulation combining, and a decode-and-forward technique. We show that the proposed techniques achieve significant improvements on Signal to Noise Ratio (SNR), Bit Error Rate (BER) and throughput through analysis, simulation, and experimentation on our platform prototype. Our results also indicate that, under several communication scenarios we are considering, PMRC can improve the throughput performance by over an order of magnitude.
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Javaheri, H., Noubir, G., Wang, Y. (2010). Distributed Cooperation and Diversity for Hybrid Wireless Networks. In: Osipov, E., Kassler, A., Bohnert, T.M., Masip-Bruin, X. (eds) Wired/Wireless Internet Communications. WWIC 2010. Lecture Notes in Computer Science, vol 6074. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-13315-2_3
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DOI: https://doi.org/10.1007/978-3-642-13315-2_3
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-13314-5
Online ISBN: 978-3-642-13315-2
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