NDLI: End-to-end throughput and delay assurances in multihop wireless hotspots

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End-to-end throughput and delay assurances in multihop wireless hotspots

Content Provider	ACM Digital Library
Author	Wang, Kuang-Ching Ramanathan, Parameswaran
Abstract	Next generation Wireless Local Area Networks (WLAN's) are likely to require multihop wireless connections between mobile nodes and Internet gateways to achieve high data rates from larger distances. The paper addresses the challenges in concurrently providing a wide range of end-to-end throughput and delay assurances in such mobile multihop WLAN hotspots. The proposed solution is based on the Neighborhood Proportional Delay Differentiation (NPDD) service model. With NPDD, Transmission Control Protocol (TCP) based applications achieve their desired throughputs using a dynamic class selection mechanism. This approach integrates well with the NPDD-based end-to-end delay assurance mechanism proposed earlier. The integrated throughput and delay assurance mechanisms are evaluated with simulations. To better model the node mobility in a multihop hotspot, the Public Hotspot Mobility (PHM) model is proposed. Simulation results show that the proposed solution is better in meeting the desired throughputs and delays as compared with best effort and strict priority approaches.
Starting Page	93
Ending Page	102
Page Count	10
File Format	PDF
ISBN	1581137680
DOI	10.1145/941326.941341
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2003-09-19
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Ieee 802.11 Medium access Quality of service Scheduling Proportional differentiation
Content Type	Text
Resource Type	Article

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