Abstract
This paper investigates simultaneous wireless information and power transfer (SWIPT) in a multi-antenna relay network. We consider robust transmit power minimization problem at the relay by jointly optimizing beamforming and
adaptive power splitting subject to the signal-to-inference-plus-noise (SINR) and energy harvesting constraints by incorporating channel uncertainty model. We formulate the original non-convex problem into semidefinite programming problem (SDP) by relaxing rank-one constraint and we show the optimal solution of SDP is always rank-one. Simulation results are provided to validate the performance of the proposed robust algorithms.
adaptive power splitting subject to the signal-to-inference-plus-noise (SINR) and energy harvesting constraints by incorporating channel uncertainty model. We formulate the original non-convex problem into semidefinite programming problem (SDP) by relaxing rank-one constraint and we show the optimal solution of SDP is always rank-one. Simulation results are provided to validate the performance of the proposed robust algorithms.
Original language | English |
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Title of host publication | Wireless Communications and Signal Processing (WCSP) |
Subtitle of host publication | 2014 Sixth International Conference on |
Publisher | IEEE Wireless Communications and Signal Processing (WCSP) |
Number of pages | 5 |
ISBN (Print) | 9781479973392 |
DOIs | |
Publication status | Published - 2014 |