Summary
International Symposium on Antennas and Propagation
2006
Session Number:2E1b
Session:
Number:2E1b-1
A Propagation Study of the 28 GHz LMDS System Performance under Rain Fading
K. S. Chen, Chih-Yuan Chu,
pp.1-2
Publication Date:2006/11/2
Online ISSN:2188-5079
Summary:
In this paper, rain statistics of 10 years record in Taiwan area was used to investigate the transmission performance of the Ka-band LMDS system with QAM modulation. Emphasis was placed to investigate the effects of rain fading under MQAM modulation schemes. It is found that for LMDS cellular network, M-QAM modulation is difficult to provide an effective and reliable high speed transmission for the case of 6 km radius of cell coverage unless the frequency and polarization diversities are applied; otherwise, the cell coverage of service should be reduced.