Practical coding schemes for cognitive overlay radios
Practical coding schemes for cognitive overlay radios
复制标题
认知覆盖无线电的实用编码方案
DOI：
10.1109/glocom.2012.6503702
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发表时间：
2012
期刊：
影响因子：
--
通讯作者：
S. Rini
中科院分区：
文献类型：
--
作者：
E. Kurniawan;A. Goldsmith;S. Rini
我们开发实用的认知覆盖无线电编码方案建模的认知干扰信道，经典的两个用户干扰信道的变化，其中一个发射机的知识，这两个消息。受信息理论结果的启发，我们开发了一个编码策略的三个参数制度的能力是已知的。在这些制度的能力实现方案的一个关键特征是联合解码的两个用户的码字，我们完成了一个组合格进行后验概率计算。所示的计划，以执行接近的容量限制，低错误率。
We develop practical coding schemes for cognitive overlay radios as modeled by the cognitive interference channel, a variation of the classical two user interference channel where one of the transmitters has knowledge of both messages. Inspired by information theoretical results, we develop a coding strategy for each of the three parameter regimes where capacity is known. A key feature of the capacity achieving schemes in these regimes is the joint decoding of both users' codewords, which we accomplish by performing a posteriori probability calculations over a combined trellis. The schemes are shown to perform close to the capacity limit with low error rate.