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373842 |
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|a Sun, Hua
|e author
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|a Ng, Soon Xin
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|a Dong, Chen
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|a Hanzo, Lajos
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|a Decode-and-forward cooperation-aided triple-layer turbo-trellis-coded hierarchical modulation
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|c 2015-04.
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|z Get fulltext
|u https://eprints.soton.ac.uk/373842/1/tcomm-hanzo-2387164-proof.pdf
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|a Hierarchical Modulation (HM) is widely employed across the telecommunication industry. The potential application of the coded HM scheme in cooperative communications has drawn a lot of interests. In this paper, a twin-relay aided triplelayer cooperative communication system is proposed. The system amalgamates rate-1/2 TTCM, triple-layer HM-64QAM and twinlayer SPM-16QAM schemes in the context of cooperative communications. We have optimized the entire system based on the HM ratio pair (R1;R2), the Superposition Modulation (SPM) weighting pair (; ) and the positions of the two relays. The simulation results show that our optimized system is capable of reliably transmitting a triple-layer HM-64QAM signal with the aid of two time slots at an average Signal-to-Noise-Ratio of 6:94 dB per time slot.
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