Power efficient MISO beamforming for secure layered transmission

Derrick Wing Kwan Ng, Robert Schober, Hussein Alnuweiri

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

This paper studies secure layered video transmission in a multiuser multiple-input single-output (MISO) beamforming downlink communication system. The power allocation algorithm design is formulated as a non-convex optimization problem for minimizing the total transmit power while guaranteeing a minimum received signal-to-interference-plus-noise ratio (SINR) at the desired receiver. In particular, the proposed problem formulation takes into account the self-protecting architecture of layered transmission and artificial noise generation to prevent potential information eavesdropping. A semi-definite programming (SDP) relaxation based power allocation algorithm is proposed to obtain an upper bound solution. A sufficient condition for the global optimal solution is examined to reveal the tightness of the upper bound solution. Subsequently, two suboptimal power allocation schemes with low computational complexity are proposed for enabling secure layered video transmission. Simulation results demonstrate significant transmit power savings achieved by the proposed algorithms and layered transmission compared to the baseline schemes.

Original languageEnglish
Title of host publicationIEEE Wireless Communications and Networking Conference, WCNC
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages422-427
Number of pages6
ISBN (Electronic)9781479930838
DOIs
Publication statusPublished - 1 Jan 2014
Event2014 IEEE Wireless Communications and Networking Conference, WCNC 2014 - Istanbul, Turkey
Duration: 6 Apr 20149 Apr 2014

Other

Other2014 IEEE Wireless Communications and Networking Conference, WCNC 2014
CountryTurkey
CityIstanbul
Period6/4/149/4/14

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ASJC Scopus subject areas

  • Engineering(all)

Cite this

Ng, D. W. K., Schober, R., & Alnuweiri, H. (2014). Power efficient MISO beamforming for secure layered transmission. In IEEE Wireless Communications and Networking Conference, WCNC (pp. 422-427). [6952045] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/WCNC.2014.6952045