Cross-layer optimization for MIMO-Based wireless ad hoc networks: Routing, power allocation, and bandwidth allocation

被引:25
|
作者
Liu, Jia [1 ]
Hou, Y. Thomas [1 ]
Shi, Yi [1 ]
Sherali, Hanif D. [2 ]
机构
[1] Virginia Polytech Inst & State Univ, Bradley Dept Elect & Comp Engn, Blacksburg, VA 24061 USA
[2] Virginia Polytech Inst & State Univ, Grado Dept Ind & Syst Engn, Blacksburg, VA 24061 USA
基金
美国国家科学基金会;
关键词
multiple-input multiple-output (MIMO); multihop ad hoc network; cross-layer optimization;
D O I
10.1109/JSAC.2008.080808
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
MIMO-based communications systems have great potential to improve network capacity for wireless ad hoc networks. Due to unique physical layer characteristics associated with MIMO, network performance is tightly coupled with mechanisms at physical, link, and routing layers. So far, research on MIMO-based wireless ad hoc networks is still in its infancy and few results are available. In this paper, we consider the problem of jointly optimizing power and bandwidth allocation at each node and multi-hop/multi-path routing in a MIMO-based wireless ad hoc network. We develop a solution procedure to this cross-layer optimization problem and use simulations to validate the efficacy of this solution.
引用
收藏
页码:913 / 926
页数:14
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