Resource allocation for OFDMA relay networks

被引：0
|
作者：
Li, GQ [1 ]
Liu, H [1 ]
机构：
[1] Univ Washington, Dept Elect Engn, Seattle, WA 98195 USA
来源：
CONFERENCE RECORD OF THE THIRTY-EIGHTH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS & COMPUTERS, VOLS 1 AND 2 | 2004年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The paper studies the resource allocation for the OFDMA relay network with multiple source nodes, multiple relay nodes and a single desitination node. The optimal source/relay/subcarrier allocation with QoS constraint is formulated as a binary integer programming problem. The problem is then tackled using a graph theoritical approach by transforming it into a linear optimal distribution problem in a directed graph. Upper bound of the solution is discussed. Simulation results are studied to evaluate the algorithm performance. The algorithm approaches the upper bound with low complexity.
引用
收藏
页码：1203 / 1207
页数：5
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