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    Joint Precoding Optimization for Secure Transmission in Downlink MISO-NOMA Networks

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    Type
    Conference Paper
    Authors
    Lit, Dongdong
    Zhao, Nan
    Chen, Yunfei
    Nallanathan, Arumugam
    Ding, Zhiguo
    Alouini, Mohamed-Slim cc
    KAUST Department
    Electrical Engineering Program
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Date
    2019-11-25
    Online Publication Date
    2019-11-25
    Print Publication Date
    2019-09
    Permanent link to this record
    http://hdl.handle.net/10754/660634
    
    Metadata
    Show full item record
    Abstract
    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.2019.8904317
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Conference/Event name
    30th IEEE Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2019
    DOI
    10.1109/PIMRC.2019.8904317
    Additional Links
    https://ieeexplore.ieee.org/document/8904317/
    ae974a485f413a2113503eed53cd6c53
    10.1109/PIMRC.2019.8904317
    Scopus Count
    Collections
    Conference Papers; Electrical and Computer Engineering Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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