OFDMA协同通信系统子载波和功率联合分配算法
Joint sub-carrier and power allocation algorithm for OFDMA-based cooperative communication systems
黄天聪 1胡幻 1冯文江1
作者信息
- 1. 重庆大学通信工程学院,重庆400044
- 折叠
摘要
针对OFDMA协同通信系统资源分配仅考虑平均功率下的子载波分配,中继存在未用功率情况,研究子载波分配后中继剩余功率分配问题.提出一种既满足业务QoS需求又兼顾用户间公平性的子载波和功率联合分配算法,并设计一种基于二分法的功率注水分配方案.测试表明,该算法能在满足业务QoS需求及用户公平性的同时,提升系统容量.
Abstract
Aiming at the problem that the OFDMA cooperative communication system resource allocation only sub-carrier allocation average power under consideration,there is no power relay,relay power allocation of the remaining after subcarrier allocation.The paper presents a method to meet the business needs and give consideration to fairness QoS joint subcarrier and power allocation algorithm between users,and design a power injection allocation scheme based on dichotomy.Simulation results show that,this algorithm can satisfy users' need for QoS,fairness,business at the same time and boost the networking capacity effectively.
关键词
OFDMA/协同通信/资源分配算法/公平性Key words
OFDMA/cooperative communication/resource allocation algorithm/fairness引用本文复制引用
基金项目
重庆市自然科学基金重点项目(CSTC2009BA2064)
中央高校基本科研业务费(CDJZR12160004)
重庆市教委科学技术研究项目(KJ102201)
出版年
2013
NETL
NSTL
维普
万方数据