基于DAPSK的双向中继网络广义差分调制性能分析

2017 2nd International Conference on Computing and Communications Technologies (ICCCT) Pub Date : 2017-02-01 DOI:10.1109/ICCCT2.2017.7972244

M. Kanthimathi, R. Amutha

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引用次数: 4

摘要

提出了一种采用放大和转发协议的双向中继网络分块差分编码方法。为了实现带宽效率，比特被映射成16位差幅相移键控(DAPSK)符号。利用这种非相干检测技术，避免了接收机的相位估计和参考载波估计。使用16级差幅相移键控技术对符号进行映射。该方法提高了非相干差分调制方案的误码率性能。

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Performance analysis of generalized differential modulation using DAPSK for bi-directional relay networks

Block by block differential encoding is proposed for two-way relay network using amplify and forward protocol at the relays. In order to achieve bandwidth efficiency the bits are mapped into 16-ary differential amplitude phase shift keying (DAPSK) symbols. Phase estimation and reference carrier estimation at the receiver is avoided by using this non-coherent detection technique. The symbols are mapped using 16-level Differential amplitude phase shift keying technique. The proposed method improves the symbol error rate performance of the non-coherent differential modulation scheme.

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来源期刊

2017 2nd International Conference on Computing and Communications Technologies (ICCCT)

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