JOURNAL ARTICLE

QoS-Aware Resource Allocation Algorithm for Cooperative Relay-based OFDM Cellular Networks

Xiaoyan HuangYuming MaoFan Wu

Year: 2011 Journal:   JOURNAL OF ELECTRONICS INFORMATION TECHNOLOGY Vol: 32 (12)Pages: 2948-2953   Publisher: Chinese Academy of Sciences, Institute of Electronics

Abstract

针对基于中继的OFDM蜂窝网络,该文考虑具有不同QoS要求的混合业务场景,引入合作传输机制,提出了一种基于合作中继的QoS感知资源调度算法,解决了合作中继节点选取,子载波分配以及功率控制等问题。以最大化系统效用为目标,在考虑QoS业务的速率要求与基站功率约束的同时,针对中继结构引入了中继节点的功率约束。为降低计算复杂度,将原非线性组合优化问题分解为子载波分配与功率控制两个子问题。仿真结果表明,该文所提算法在能量节约、系统效用,吞吐量等性能方面都有显著优势。

Keywords:
Quality of service Orthogonal frequency-division multiplexing Relay Computer science Computer network Resource allocation Resource (disambiguation) Mobile QoS Distributed computing Service (business) Channel (broadcasting) Service provider Business

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Topics

Cooperative Communication and Network Coding
Physical Sciences →  Computer Science →  Computer Networks and Communications
Advanced Wireless Network Optimization
Physical Sciences →  Engineering →  Electrical and Electronic Engineering
Advanced MIMO Systems Optimization
Physical Sciences →  Engineering →  Electrical and Electronic Engineering
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