Towards Context-Aware Wireless Spectrum Agility

被引：0

作者：

Kumar, Ashwini ^{[1
]}

Shin, Kang G. ^{[1
]}

机构：

[1] Univ Michigan, Real Time Comp Lab, Dept EECS, Ann Arbor, MI 48109 USA

来源：

MOBICOM'07: PROCEEDINGS OF THE THIRTEENTH ACM INTERNATIONAL CONFERENCE ON MOBILE COMPUTING AND NETWORKING | 2007年

关键词：

Systems; spectrum agility; dynamic spectrum access; cognitive and software-defined radios; cross-layer interactions;

D O I：

暂无

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

Spectrum agility (SA) is a novel way of improving spectrum utilization efficiency and making greater bandwidth available to network applications. Despite its advantages, the fundamental operations (e.g., periodic spectrum sensing) involved in realizing SA can also adversely affect application performance. We propose Context-Aware Spectrum Agility (CASA), which uses application hints together with the current channel condition to adapt key SA parameters. Our preliminary evaluation shows that CASA improves throughput by 35%, and is also more effective in meeting application demands than conventional SA.

引用

页码：318 / 321

页数：4

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