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Improving TCP Performance Over Wireless Ad Hoc Networks With Busy Tone Assisted Scheme

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tcp - ip

Overview It is well known that Transmission Control Protocol (TCP) performance degrades severely in IEEE 802.11-based wireless ad hoc networks. The paper first identifies two critical issues leading to the TCP performance degradation: unreliable broadcast, since broadcast frames are transmitted without the request-to-send and clear-to-send (RTS/CTS) dialog and Data/ACK handshake, so they are vulnerable to the hidden terminal problem; and false link failure which occurs when a node cannot successfully transmit data temporarily due to medium contention. The paper then proposes a scheme to use a narrow-bandwidth, out-of-band busy tone channel to make reservation for broadcast and link error detection frames only.

Further White Paper Details
Publisher	University of Victoria	File Format	PDF
Date Published	December 2005
Format	White Papers
Topics	TCP - IP, Mobile - Wireless Communications

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