Low complexity hybrid power distribution combined with subcarrier allocation algorithm for OFDMA

作     者：Weilin Jiang Zhongzhao Zhang Xuejun Sha Linan Sun 

作者机构：School of Electronics and Information Engineering Harbin Institute of Technology Harbin 150080 R R. China 

出 版 物：《Journal of Systems Engineering and Electronics》 (系统工程与电子技术（英文版）)

年 卷 期：2011年第22卷第6期

页      面：879-884页

核心收录：

学科分类：0810[工学-信息与通信工程] 0808[工学-电气工程] 0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 0802[工学-机械工程] 081001[工学-通信与信息系统] 0814[工学-土木工程] 0811[工学-控制科学与工程] 0812[工学-计算机科学与技术（可授工学、理学学位）] 082301[工学-道路与铁道工程] 0823[工学-交通运输工程] 

基　　金：supported by the National Basic Research Programof China (973 Program) (2007CB310601) the Major Science-Technology Project of Next Generation Wireless Mobile Communication Network (2009ZX03004-001) 

主　　题：orthogonal frequency division multiple access(OFDMA) inter-cell interference(ICI) hybrid power distribution(HPD) subcarrier allocation. 

摘      要：To improve the total throughput of the uplink orthogonal frequency division multiple access system,a low complexity hybrid power distribution（HPD） combined with subcarrier allocation scheme is *** the fairness mechanism for the subcarrier,the inter-cell interference is first analyzed to calculate the capacity of the *** user selects the subcarrier with the largest channel *** on the above subcarrier allocation scheme,a new kind of HPD scheme is proposed,which adopts the waterfilling-power-distributed scheme and the equal-power-distributed scheme in the cell-boundary and the cellcenter,*** results show that compared with the waterfilling-power-distributed scheme in the whole cell,the proposed HPD scheme decreases the system complexity significantly,meanwhile its capacity is 2% higher than that of the equal-powerdistributed scheme over the same subcarrier allocation.