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A controlled distributed antenna system for increasing capacity in the DS-CDMA system

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4 Author(s)
Lee, J.H. ; Dept. of Electron. Eng., Yonsei Univ., Seoul, South Korea ; Roh, J.H. ; Kwun, J.H. ; Kang, C.E.

We consider the simulcasting system using distributed antennas in the DS-CDMA system. The simulcasting system in which the same signal is broadcast simultaneously by distributed antenna ports in a cell can reduce both the blocking probability of a call in a shadowing region and the handoff attempt rate. We propose a controlled distributed antenna system to improve the Eb/Io in both links of the DS-CDMA simulcasting system. It is shown by simulation that improvement in the forward link Eb/Io can be achieved if the ERPs of those ports located far from the considered mobile are reduced to eliminate unwanted interference to other mobiles. It is also shown that the reverse link Eb/Io can be improved by selection diversity combining

Published in:

Universal Personal Communications, 1998. ICUPC '98. IEEE 1998 International Conference on  (Volume:1 )

Date of Conference:

5-9 Oct 1998