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Performance of a OFDM-CDMA system with orthogonal convolutional coding and interference cancellation

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2 Author(s)
Stirling-Gallacher, R.A. ; Dept. of Electr. Eng., Edinburgh Univ., UK ; Povey, G.J.R.

The performance of an OFDM-CDMA system with convolutional coding and interference cancellation is presented. The OFDM-CDMA receiver uses equal gain combining on the carriers before the received signal is passed to the interference canceller. Within the interference canceller, the interference estimates are improved by Viterbi decoding before being subtracted from the wanted signal. Both orthogonal and super orthogonal coding are considered and their performance is compared against a 3/4 rate K=7 punctured convolutional code. A comparison is made of the spectral efficiencies of the different schemes

Published in:

Vehicular Technology Conference, 1997, IEEE 47th  (Volume:2 )

Date of Conference:

4-7 May 1997