Journal
IEEE ACCESS
Volume 6, Issue -, Pages 26350-26357Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2018.2832839
Keywords
Physical layer; security; large scale; social network; 5G
Categories
Funding
- National Natural Science Foundation of China [61701503, 61471100, 61101090, 61571082]
- MOST Program of International ST Cooperation [2016YFE0123200]
- Science and Technology on Electronic Information Control Laboratory [6142105040103]
- Fundamental Research Funds for the Central Universities [ZYGX2015J012, ZYGX2014Z005]
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The increasing demand in 5G wireless systems has brought significant improvement in transmission speed with lower latency, especially in ultra-dense networks. The demand of privacy and security are becoming more critical in such large scale wireless networks. Different from traditional encryption methods, in this paper, we discussed the physical layer security features in large scale social networks. The opportunities in large scale social networks are summarized in physical, link and upper layer using the cross layer optimization, traditional physical layer security will meet new problems pending to be tackled. Also, we summarized the challenges due to some ideal considerations: the detection of wire-tap users, the utilization of high dynamic range and the information exchanging in cross layer design.
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