TCP - IP White Papers
Improving TCP Performance in Ad Hoc Networks Using Signal Strength Based Link Management
Overview Mobility in ad hoc networks causes frequent link failures, which in turn causes packet losses. TCP attributes these packet losses to congestion. This incorrect inference results in frequent TCP retransmission time-outs and therefore degradation in TCP performance even at light loads. Mechanisms are proposed that are based on signal strength measurements to alleviate such packet losses due to mobility. The key ideas are, if the signal strength measurements indicate that a link failure is most likely due to a neighbor moving out of range, in reaction, facilitate the use of temporary higher transmission power to keep the link alive and if the signal strength measurements indicate that a link is likely to fail, initiate a route re-discovery proactively before the link actually fails.
| Publisher | University of California | File Format | |
|---|---|---|---|
| Date Published | January 2003 | ||
| Format | White Papers | ||
| Topics | |||
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