Single antenna spatial diversity

Authors:
Shuang Zhao;Hongwen Yang;Hongkui Yan
Affiliations:
School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China;School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China;VIA Telecom, Inc, San Diego
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

In this paper, we present a novel spatial diversity technique which uses only one antenna element. For the static or quasi-static rich scattering environments, significant diversity gain can be attained by simply moving the antenna element around a certain geographical area. Such diversity gain is conventionally obtained by multiple fixed antennas. The proposed method can greatly reduce the implementation cost because it requires only one RF chain, one cable feeder and one antenna element. Simulation results show that, with the same geographical span, the proposed method can achieve the same or even better performance as that of traditional diversity systems.