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An Opportunistic Relay Method for Increasing Throughput in Multirate IEEE 802.11 Wireless LAN
Jain-Shing LIU Chun-Hung Richard LIN
Publication
IEICE TRANSACTIONS on Communications
Vol.E88-B
No.6
pp.2672-2675 Publication Date: 2005/06/01 Online ISSN:
DOI: 10.1093/ietcom/e88-b.6.2672 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Terrestrial Radio Communications Keyword: energy efficiency, relay-based MAC, infrastructure wireless LAN,
Full Text: PDF(264.8KB)>>
Summary:
In this letter, we demonstrate a Relay-based Adaptive Auto Rate (RAAR) protocol that can find a suitable relay node for data transmission between transmitter and receiver, and can dynamically adjust its modulation scheme to achieve the maximal throughput of a node according to the transmission distance and the channel condition. Evaluation results show that this scheme provides significant throughput improvement for nodes located at the fringe of the AP's transmission range, thus remarkably improving overall system performance.
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