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  1. Proceedings of the 4th ACM international workshop on Wireless mobile multimedia (WOWMOM '01)
  2. Tracking Highly Mobile Endpoints
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A framework for the admission control of QoS multicast traffic in mobile ad hoc networks
P-MIP: paging in mobile IP
Tracking Highly Mobile Endpoints
TranScaling: a video coding and multicasting framework for wireless IP multimedia services
A framework for performance evaluation and optimization of an emerging multimedia DS-CDMA network
Mobility support in unified communication networks
Voice transmission in an IEEE 802.11 WLAN based access network
Delay performance of data traffic in a cellular wireless ATM network
ATM connection handover in LEO satellite networks
A software approach to channel-state dependent scheduling for wireless LANs
Service curve assurances versus uplink throughput in CDMA networks

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Tracking Highly Mobile Endpoints

Content Provider ACM Digital Library
Author Tchakountio, Fabrice Ramanathan, Ram
Abstract We consider the problem of routing to endpoints with very high "effective" mobility, i.e., when the period between changes in an endpoint's location is comparable to the time it takes for the location tracking mechanism to converge. This could happen due to increased endpoint speed, decreased cell size, or increased control message latency. When this happens, conventional location tracking approaches fail -- by the time such mechanisms converge, the endpoint has already moved to a new location.We characterize the performance degradation of a location tracking mechanism with increasing effective mobility. Specifically, we show that a typical mobile network has three operating states -- reactable, late-reactable, and unreactable, and identify theoretically and experimentally, the endpoint speeds at which the system transitions from one state to another. We then describe "spray routing" -- a new routing mechanism that uses controlled multicasting to the vicinity of the endpoint's last-known location. We show experimentally that the throughput is dramatically increased to acceptable levels even for highly mobile endpoints while maintaining reasonable end-to-end delay.
Starting Page 83
Ending Page 94
Page Count 12
File Format PDF
ISBN 1581133847
DOI 10.1145/605991.606003
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2001-07-21
Publisher Place New York
Access Restriction Subscribed
Content Type Text
Resource Type Article
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