Physical-layer Network Coding Based on Hierarchical Modulation

TANG Meng; CHEN Jianhua; ZHANG Yan; ZHANG Yufeng

doi:10.11999/JEIT151470

Volume 38 Issue 10

Oct. 2016

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Article Navigation > Journal of Electronics & Information Technology > 2016 > 38(10): 2568-2574

TANG Meng, CHEN Jianhua, ZHANG Yan, ZHANG Yufeng. Physical-layer Network Coding Based on Hierarchical Modulation[J]. Journal of Electronics & Information Technology, 2016, 38(10): 2568-2574. doi: 10.11999/JEIT151470

Citation:

TANG Meng, CHEN Jianhua, ZHANG Yan, ZHANG Yufeng. Physical-layer Network Coding Based on Hierarchical Modulation[J]. Journal of Electronics & Information Technology, 2016, 38(10): 2568-2574. doi: 10.11999/JEIT151470

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Physical-layer Network Coding Based on Hierarchical Modulation

doi: 10.11999/JEIT151470 cstr: 32379.14.JEIT151470

1.
(School of Information Science and Engineer, Yunnan University, Kunming 650091, China)
2.
(School of Information Science and Engineer, Yunnan University, Kunming 650091, China)

Funds:

The National Natural Science Foundation of China (61062005, 61561049)

Received Date: 2015-12-24
Rev Recd Date: 2016-05-23
Publish Date: 2016-10-19

Abstract

Abstract

In wireless communication network, the channel state information is complicated. A joint Hierarchical Modulation and Physical-layer Network Coding (HM-PNC) scheme is proposed for the asymmetric Two-Way Relay Channel (TWRC). In this scheme, the two source nodes and the relay node adopt the hierarchical modulation technology (2/4-PSK). In the relay node, a special demodulation/modulation and PNC mapping rule is designed. Corrupted by Additive White Gaussian Noise (AWGN), the relay Bit Error Ratio (BER) and the end-to-end BER expressions are derived. Simulation results show that the HM-PNC scheme not only improves the data rate in better links, but also takes into account the transmission reliability of the poor channels. Compared with the traditional QPSK-PNC scheme, the HM-PNC scheme has better mobile performance.
- Physical-layer Network Coding (PNC),
- Hierarchical modulation,
- Two-Way Relay Channel (TWRC),
- Asymmetric channels

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References(18)

References

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