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This book focuses on physical layer security of MISO and OFDM-MIMO systems in the presence of passive eavesdroppers, i.e. the transmitter is unaware of the eavesdropper’s presence. The transmit strategy adopted for secure communication is artificial noise generation and spatial beamforming. It further investigates the possibility of ensuring a target probability of secrecy by defining a quality of service constraints at the legitimate receiver in a MISO system and then proposes an optimum power allocation scheme between the information signal and the artificial noise generated at the transmitter. Furthermore, this project explores the ability of the eavesdropper to make vulnerable the security of the system by extenuating the effect of the artificial noise using zero forcing as the receive beamforming strategy in OFDM-MIMO system. Results from MATLAB simulations are presented and discussed in detail.
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Akinbiyi Akindoyin was born in Ile-Ife, Nigeria. In December 2009, he graduated with a First Class B.Sc. (Hons) in Computer Engineering at Obafemi Awolowo University Ile-Ife, Nigeria. He was the overall best student in the department of computer science and engineering in 2009. Led by great interest in broadband wireless communication, he continued his study at University of Leeds and obtained a M.Sc. degree with distinction in Broadband Wireless and Optical Communications in November 2012, scoring an overall average of 86% coming top of his class. He is currently studying towards his Ph.D. degree under the supervision of Prof. A. Manikas at the communications and signal processing group, Department of Electrical and Electronics Engineering, Imperial College, London. His research is sponsored by National Information Technology Development Agency (NITDA), Nigeria. His research interests are concerned with Physical Layer Security, Array Calibration, Flexible Array Signal Processing, Wireless Sensor Network, and Software Defined Radio.
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