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Capacity Improvement of Multihop Inter-Vehicle Communication Networks by STBC Cooperative Relaying
Toshiaki KOIKE Masakazu TANAKA Susumu YOSHIDA
IEICE TRANSACTIONS on Communications
Publication Date: 2005/09/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Advances in Ad Hoc Mobile Communications and Networking)
ITS, multihop, inter-vehicle communications, STBC, cooperative relaying, capacity,
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In this paper, we evaluate the effect of space-time coded cooperative relaying technique in multihop inter-vehicle communication (IVC) networks. The IVC systems have an issue that communication links are often blocked by obstacles such as heavy vehicles. The breakage of a radio link in multihop connections may significantly decrease the system throughput in multihop IVC networks. It is demonstrated through system-level evaluations that the cooperative relaying can offer remarkable capacity enhancement by exploiting multi-route diversity and overcoming accidental link breakage resulting from frequent topological changes.