Beamforming Optimization for Physical Layer Security in MISO Wireless Networks
A wireless network of multiple transmitter-user pairs overheard by an eavesdropper, where the transmitters are equipped with multiple antennas, while the users and eavesdropper are equipped with a single antenna, is considered. At different levels of wireless channel knowledge, the problem of intere...
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| Veröffentlicht in: | IEEE transactions on signal processing 2018-07, Vol.66 (14), p.3710-3723 |
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| container_title | IEEE transactions on signal processing |
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| creator | Zhichao Sheng Hoang Duong Tuan Duong, Trung Q. Poor, H. Vincent |
| description | A wireless network of multiple transmitter-user pairs overheard by an eavesdropper, where the transmitters are equipped with multiple antennas, while the users and eavesdropper are equipped with a single antenna, is considered. At different levels of wireless channel knowledge, the problem of interest is beamforming to optimize the users' quality-of-service (QoS) in terms of their secrecy throughputs or maximize the network's energy efficiency under users' QoS. All these problems are seen as very difficult optimization problems with many nonconvex constraints and nonlinear equality constraints in beamforming vectors. The paper develops path-following computational procedures of low complexity and rapid convergence for the optimal beamforming solution. Their practicability is demonstrated through numerical examples. |
| doi_str_mv | 10.1109/TSP.2018.2835406 |
| format | Article |
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| source | IEEE Electronic Library (IEL) |
| subjects | Antennas Array signal processing Beamforming Energy conversion efficiency energy-efficient communication Multi-input single-output network Nonlinear programming Optimization path-following algorithms Quality of service Quality of service architectures secure communication Throughput Transmitters Transmitting antennas Wireless communication Wireless networks |
| title | Beamforming Optimization for Physical Layer Security in MISO Wireless Networks |
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