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Performance of concatenated channel coding schemes with block repetition for a wireless indoor high bit rate flexible modem

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3 Author(s)
Sanz, R. ; Dept. of Commun. Eng., Cantabria Univ., Santander, Spain ; Munoz, L. ; Mahonen, P.

The Wind-Flex project has developed a wireless indoor high bit rate OFDM modem, operating at 17 GHz. This modem is a packet-radio based system with a highly dynamic bit-rate range between 64 Kbit/s and 100 Mbit/s. Simulations for implementation have been done to evaluate the performance of the Wind-Flex modem using a concatenated coding scheme in combination with a TDMA-based block repetition mechanism. A simple ARQ-like delay reduction procedure is also presented. We show that TDMA-based repetition can significantly enhance the performance of the packet-oriented concatenated codec by trading off data rate for robustness. This does not lead to increased complexity in the modem implementation

Published in:

Personal, Indoor and Mobile Radio Communications, 2001 12th IEEE International Symposium on  (Volume:2 )

Date of Conference:

Sep/Oct 2001

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