Cooperative wireless communications: A cross-layer approach
Cooperative wireless communications: A cross-layer approach
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DOI：
10.1109/mwc.2006.1678169
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发表时间：
2006-08-01
影响因子：
12.9
通讯作者：
Panwar, Shivendra
中科院分区：
文献类型：
--
作者：
Liu, Pei;Tao, Zhifeng;Panwar, Shivendra
在一个拥挤的聚会上，丹尼斯和她的丈夫米奇站在客厅的两端。丹尼斯试图引起米奇的注意，对他大喊大叫。米奇只能听到“我们”这个词席琳在房间中间，无意中听到了丹尼斯的声音，注意到他们的困境，她向米奇重复了她听到的那部分：“回家去。”这一次，米奇听到的只有“家”这个词。米奇终于明白他妻子想回家了。这个来自日常生活的类比生动地描绘了协作无线通信的基本要素，即利用相邻节点无意中听到的信息在源和目的地之间提供可靠的通信。协作通信在不同的协议层表现出各种形式，并为跨层设计和优化引入了许多机会，本文将详细探讨其中的一些。
"Denise and her husband Mitch are at opposite ends of a living room at a crowded party. Denise tries to attract Mitch's attention and shouts something at him. All Mitch can hear is the word 'Let's.' Celine, in the middle of the room, who overhears Denise and notices their predicament, repeats to Mitch the part she hears: 'Go home.' This time, all Mitch hears is the word 'home. 'Mitch finally figures out that his wife wants to go home. "This analogy from everyday life vividly portrays the essential element of cooperative wireless communications, namely, utilizing information overheard by neighboring nodes to provide robust communication between a source and its destination. Cooperative communication exhibits various forms at different protocol layers and introduces many opportunities for cross-layer design and optimization, some of which will be explored in detail in this article.