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An Autonomous Adaptive Base Station that Supports Multiple Wireless Network Systems

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4 Author(s)

Various wireless systems are being developed to meet users' needs, and effective frequency use is urgently needed because of the rapid increase in frequency demand that accompanies the increasing popularity of wireless services. However, general base stations are making no effort to use frequency effectively, and cooperation among wireless system base stations is necessary for more effective frequency use. Base stations can cooperate more efficiently if they are able to use multiple channels of many wireless systems simultaneously. In this paper, we propose an autonomous adaptive base station (AABS) that adapts to various wireless systems the way software defined radio (SDR) base stations do. The AABS can autonomously select and use the most suitable wireless system based on user traffic and AABS's hardware resources. AABS can also offer a communication environment suitable for "multi-link communication", because AABS can use multiple channels of multiple wireless systems simultaneously. We developed an AABS prototype so we could evaluate performance. Our experimental and computer simulation results demonstrate that the prototype performs effectively.

Published in:

2007 2nd IEEE International Symposium on New Frontiers in Dynamic Spectrum Access Networks

Date of Conference:

17-20 April 2007