Hierarchical Extrinsic Information Performance Analysis of H-Soft Aided 2-Source BPSK H-MAC Channel Phase Estimator for WPNC Networks
2019 25th Asia-Pacific Conference on Communications (APCC)（2019）
Abstract
The scope of the paper is the channel state estimation (CSE) problem in parametrized Hierarchical MAC (H-MAC) stage in Wireless Physical Layer Network Coding (WPNC) networks with Hierarchical Decode and Forward (HDF) relay strategy. We analyze the H-data soft aided phase estimator for 2-source BPSK H-MAC channel. Particularly, we evaluate how hierarchical extrinsic soft H-data aid information affects the mean square error performance characteristics of the phase estimator. The numerical results show quite surprisingly that the impact of the extrinsic H-soft information is (apart of very low SNR and very low extrinsic information region) quite negligible. This result might greatly simplify the design of hierarchical soft-output demodulator for the parametric channel.
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Key words
hierarchical decode and forward relay strategy,parametric channel,soft-output demodulator,low extrinsic information region,H-soft information,mean square error performance characteristics,hierarchical extrinsic soft H-data aid information,H-data soft aided phase estimator,Wireless Physical Layer Network Coding networks,parametrized Hierarchical MAC stage,channel state estimation problem,WPNC networks,2-source BPSK H-MAC channel phase estimator,Hierarchical extrinsic information performance analysis
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