科研之友
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摘要
In our previous research, to achieve unequal error protection (UEP), we proposed a scheme which encodes the data by randomly switching between several. codes which use different signal constellations and showed the effectiveness in AWGN channels. In this letter, we propose our UEP system using MMSE-FDE for fast and selective fading by using the fact that importance levels are changed every few symbols, i.e., every block, in the proposed system. We confirmed the improvement in BER performance and the effectiveness of adaptive equalization for the proposed system in fading channels Moreover, in fading channels we confirmed the validity of the theoretical tradeoff shown in static conditions.
- 出版日期2012-7
