QoS-aware cross layer resource allocation algorithm in wireless Ad Hoc networks

被引：1
|
作者：
Han B.-Q. [1 ,2 ]
Zhang H. [1 ]
Liu F.-Y. [1 ]
Chen W. [2 ]
机构：
[1] School of Computer Science and Technology, Nanjing University of Science and Technology
[2] School of Information and Science, Nanjing Audit University
来源：
Ruan Jian Xue Bao/Journal of Software | 2010年 / 21卷 / 12期
关键词：
Ad hoc network; Cross-layer technique; Price; QoS; Resource allocation;
D O I：
10.3724/SP.J.1001.2010.03773
中图分类号：
学科分类号：
摘要：
Based on analyzing the resource allocation model in wireless Ad Hoc networks, a QoS-aware cross layer resource allocation algorithm, CL-QARA (cross layer QoS aware resource allocation) algorithm, is proposed. The purpose of CL-QARA algorithm is to introduce price and QoS bandwidth to measure resource allocation. The dynamic resource allocation information in the network layer is combined with the CSMA/CA admission control in the MAC layer to improve the backoff algorithm. A new backoff algorithm and call admission control algorithm is designed to implement a cross layer technique between the MAC layer and network layer. The QoS-aware resource allocation algorithm cooperates with the cross layer technique to provide the QoS guarantee. The simulation results show that CL-QARA has good convergence and stability. Compared to other algorithms, CL-QARA provides better QoS guarantee. CL-QARA also improves the network utility and performance. © by Institute of Software, the Chinese Academy of Sciences. All rights reserved.
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页码：3138 / 3150
页数：12
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