Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/15372
Title: Providing proportional differentiation in end-to-end quality of service for wireless multi-hop ad hoc network
Authors: LI DAN
Keywords: Proportional Differentiation, End-to-end QoS, Multi-hop, Ad Hoc Network
Issue Date: 24-May-2006
Source: LI DAN (2006-05-24). Providing proportional differentiation in end-to-end quality of service for wireless multi-hop ad hoc network. ScholarBank@NUS Repository.
Abstract: This thesis proposes a general cross layer framework for wireless multi-hop ad hoc networks to support proportional differentiation in end-to-end QoS, which is able to achieve efficient network resource allocation via quantitative control on end-to-end QoS. Based on the general framework, a specific realization called PDMED, is proposed based on a CSMA/CA medium access pattern to provide a consistent and accurate proportional differentiation on the average end-to-end packet delay. In order to improve the performance of PDMED in wireless multi-hop ad hoc networks, A improvement, called PDMED+ has been also proposed. Based on the finding of self-similar characteristic in signal-to-noise ratio (SINR) under the random waypoint mobility model, PDMED+ utilizes the predicted SINR to increase efficiency of channel utilization so as to improve the total throughput of the network with the condition of maintaining the proportional differentiation on average end-to-end delay.
URI: http://scholarbank.nus.edu.sg/handle/10635/15372
Appears in Collections:Master's Theses (Open)

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