室内无线高比特率灵活调制解调器的分组重复级联信道编码方案的性能

12th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. PIMRC 2001. Proceedings (Cat. No.01TH8598) Pub Date : 2001-09-30 DOI:10.1109/PIMRC.2001.965299

R. Sanz, L. Muñoz, P. Mähönen

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引用次数: 1

摘要

Wind-Flex项目开发了一种室内无线高比特率OFDM调制解调器，工作频率为17 GHz。该调制解调器是一种基于分组无线电的系统，具有64 Kbit/s和100 Mbit/s之间的高动态比特率范围。为了评估Wind-Flex调制解调器的性能，我们进行了仿真实现，使用了连接编码方案和基于tdma的块重复机制。给出了一种简单的类arq延迟缩减方法。我们表明，基于tdma的重复可以显着提高面向数据包的连接编解码器的性能，通过权衡数据速率和鲁棒性。这不会增加调制解调器实现的复杂性。

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

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.

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12th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. PIMRC 2001. Proceedings (Cat. No.01TH8598)

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