지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2009.6
- 수록면
- 220 - 223 (4page)
이용수
초록· 키워드
오류제보하기
A simple measurement system is built to estimate the dual-antenna diversity gain at 2.4GHz easily in open lab environment. To obtain multipath fading propagation channel, the system consists of two transmission horn that placed on opposite direction and a rotating stage mechanically changing the position of test dual-antenna with time over distance greater than one wavelength. Estimated diversity is nearly same as theoretical value such that measured diversity gain of 30mm separated is about 6dB similar to theoretical value of 5.7dB and increases monotonically with the increasing separation distance as predicted by the theory. Proposed measurement system that is simple enough to fit in a small space can evaluate the performance of various dual-antennas with a reasonable accuracy with lower 5% difference between the ten sets of measured waveform distribution and theoretical Rayleigh cumulative distribution.
목차
등록된 정보가 없습니다.
참고문헌 (5)
참고문헌 신청
1. [단행본] - W. C. Y. Lee / 1998 / Mobile Communication Engineering / McGraw Hill Book Company
2. [학술지(정기간행물)] - R. G. Vaughan / 1987 / Antenna diversity in mobile communications / IEEE Trans Vehicular Tech 36 (4) : 149 ~ 172
3. [학술지(정기간행물)] - P. S. Kildal / 2002 / Definition of effective diversity gain and how to measure it in a reverberation chamber / Microwave and Optic Technology Letters 34 (1) : 56 ~ 59
4. [학술지(정기간행물)] - A. Yamamoto / 2005 / BER measurements on a handset adaptive antenna array in the presence of cochannel interference generated using a spatial fading emulator / Antennas and Propagation Society International Symposium 4A : 26 ~ 29
5. [학술지(정기간행물)] - T. Taga / 1990 / Analysis for mean effective gain of mobile antennas in land mobile radio environments / IEEE Trans Vehicular Tech 39 (2) : 117 ~ 131
2. [학술지(정기간행물)] - R. G. Vaughan / 1987 / Antenna diversity in mobile communications / IEEE Trans Vehicular Tech 36 (4) : 149 ~ 172
3. [학술지(정기간행물)] - P. S. Kildal / 2002 / Definition of effective diversity gain and how to measure it in a reverberation chamber / Microwave and Optic Technology Letters 34 (1) : 56 ~ 59
4. [학술지(정기간행물)] - A. Yamamoto / 2005 / BER measurements on a handset adaptive antenna array in the presence of cochannel interference generated using a spatial fading emulator / Antennas and Propagation Society International Symposium 4A : 26 ~ 29
5. [학술지(정기간행물)] - T. Taga / 1990 / Analysis for mean effective gain of mobile antennas in land mobile radio environments / IEEE Trans Vehicular Tech 39 (2) : 117 ~ 131
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