Joint physical-MAC layer design of the broadcast protocol in ad hoc networks

被引:9
|
作者
Madueño, M [1 ]
Vidal, J [1 ]
机构
[1] Tech Univ Catalonia, Signal Theory & Commun Dept, Barcelona 08034, Spain
关键词
broadcast transmission; cross-layer design; scalability; signal processing-oriented solution; topology transparent; uncoordinated transmission;
D O I
10.1109/JSAC.2004.837346
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
Broadcast transmission mode in ad hoe networks is critical to manage multihop routing or providing medium access control (MAC)-layer fairness. In this paper, it is shown that a higher capacity to exchange information among neighbors may be obtained through a physical-MAC cross-layer design of the broadcast protocol exploiting signal separation principles. Coherent detection and separation of contending nodes is possible through training sequences which are selected at random from a reduced set. Guidelines for the design of this set are derived for a low impact on the network performance and the receiver complexity.
引用
收藏
页码:65 / 75
页数:11
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