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Performance evaluation of turbo and space-time turbo coded MC-CDMA downlink in multi-cell environment

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6 Author(s)
Tsumura, S. ; Graduate Sch. of Eng., Osaka Univ., Japan ; Vehkapera, M. ; Zexian Li ; Tujkovic, D.
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We evaluate the performance of single- and multi-antenna multi-carrier code division multiple access (MC-CDMA) downlink (base station to mobile terminal) systems in multi-cell environments. We first propose a minimum mean square error (MMSE) filter for a single input single output (SISO) MC-CDMA downlink system. Then, we apply it to a SIMO (single input multiple output) system with a conventional turbo coding. Furthermore, we compare the performance of SISO (1 × 1) and SIMO (1 × 2) MC-CDMA systems with that of a multiple input multiple output (MIMO) (2 × 2) system employing space-time turbo coded modulation (STTuCM) in a multi-cell environment with 7 cells by computer simulation. Based on the computer simulation results, it is found that the considered MIMO system can achieve twofold capacity with the same transmission power in the multi-cell environment.

Published in:

Personal, Indoor and Mobile Radio Communications, 2004. PIMRC 2004. 15th IEEE International Symposium on  (Volume:4 )

Date of Conference:

5-8 Sept. 2004