Name
Abstract | ||
|---|---|---|
We consider the beamforming design in nonregenerative multiuser two-way relaying (TWR) system where the multi-antenna relay performs simultaneous energy harvesting and information processing. Based on a power splitting receiver architecture at the relay, we develop the optimal beamforming scheme that maximizes the minimum of users' signal-to-interference-plus-noise-ratios (SINRs). Given the power splitting ratios, it is shown that the optimal max-min SINR value can be obtained by a semi-definite programming (SDP) based Dinkelbach-type algorithm with fast convergence. Specifically, when all the antennas at the relay use the same power splitting ratio, the jointly optimal power splitting and beamforming design reduces to a one-dimension search for the optimal max-min SINR value; while when the antennas at the relay are allowed to employ different power splitting ratios, a more complex search is required to find the solution. Numerical results demonstrate that simultaneous energy harvesting and information processing have the potential to significantly enhance the performance of multiuser TWR. |
Year | DOI | Venue |
|---|---|---|
2014 | 10.1109/ISCCSP.2014.6877881 | ISCCSP |
Keywords | DocType | Citations |
antennas,array signal processing,energy harvesting,minimax techniques,dinkelbach-type algorithm,sdp,information processing,multiantenna relay,nonregenerative multiuser two-way relaying,optimal beamforming design,optimal max-min sinr value,power splitting receiver architecture,semidefinite programming,signal-to-interference-plus-noise-ratios,simultaneous energy harvesting,two-way relaying,beamforming,power splitting,semi-definite programming | Conference | 5 |
PageRank | References | Authors |
0.46 | 15 | 4 |
Name | Order | Citations | PageRank |
|---|---|---|---|
| Feng Wang | 1 | 6 | 1.15 |
| Xin Wang | 2 | 1169 | 111.70 |
| Zhaoxi Fang | 3 | 158 | 19.52 |
| Rui Zhang | 4 | 13983 | 620.75 |