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A downlink co-channel signal transmitting model for the smart antenna system

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4 Author(s)
Liang Jin ; Dept. of Electr. & Inf. Eng., Xi''an Jiaotong Univ., China ; Jiang Li ; Qinye Yin ; Junmei Fu

The issue of transmitting downlink multiple signals in the smart antenna system is addressed here. By non-coherent superposition of the field, the equivalent feed model of the antenna arrays is established under multi-user condition, which is proved to be effective when transmitting multiple co-channel signals to several receivers. Based on that model, the feasibility and efficiency of accomplishing phase-shift and amplitude-weight in base-band signal processing unit is also discussed. Finally, for the case of MSK modulation, the downlink implementation scheme of the smart antenna system is presented

Published in:

Microwave Conference Proceedings, 1997. APMC '97, 1997 Asia-Pacific  (Volume:1 )

Date of Conference:

2-5 Dec 1997