Joint Precoding Optimization for Secure Transmission in Downlink MISO-NOMA Networks
Type
Conference PaperKAUST Department
Electrical Engineering ProgramComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
Date
2019-11-25Online Publication Date
2019-11-25Print Publication Date
2019-09Permanent link to this record
http://hdl.handle.net/10754/660634
Metadata
Show full item recordAbstract
Non-orthogonal multiple access (NOMA) is a prospective technology for radio resource constrained future mobile networks. However, NOMA users far from base station (BS) tend to be more susceptible to eavesdropping because they are allocated more transmit power. In this paper, we aim to jointly optimize the precoding vectors at BS to ensure the legitimate security in a downlink multiple-input single-output (MISO) NOMA network. In the proposed scheme, we can maximize the sum secrecy rate by joint precoding optimization. Owing to its non-convexity, the problem is converted into a convex one, which is solved by a second-order cone programming based iterative algorithm. Simulation results are presented to demonstrate that the proposed schemes can improve the security performance for MISO NOMA systems effectively.Citation
Lit, D., Zhao, N., Chen, Y., Nallanathan, A., Ding, Z., & Alouini, M.-S. (2019). Joint Precoding Optimization for Secure Transmission in Downlink MISO-NOMA Networks. 2019 IEEE 30th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC). doi:10.1109/pimrc.2019.8904317Publisher
IEEEConference/Event name
30th IEEE Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2019Additional Links
https://ieeexplore.ieee.org/document/8904317/ae974a485f413a2113503eed53cd6c53
10.1109/PIMRC.2019.8904317