Abstract
In simultaneous wireless information and power transfer (SWIPT) systems, dedicated energy signals only convey wireless energy, but not information. For this reason, the energycarring signals in the SWIPT can be pre-determined in advance and is shared among communication nodes. By exploiting this nature, this paper designs the optimal transmit beamforming vectors for the multiple-input single-output SWIPT interference channel with signal cooperation (IFC-SC), where the energycarrying signal waveforms are known to transmitters and receivers. Specifically, we aim to identify the optimal tradeoff between the information rate and the harvested energy. To this end, an information rate maximization problem is formulated under minimum required harvested energy constraint, which is non-convex in general. To solve the problem, a new parameterization technique is introduced, and we can decouple the original problem into two subproblems, which yields closed-form beamforming solutions by addressing the line search method for the parameter. Simulation results confirms that the proposed optimal IFC-SC beamforming vectors outperform conventional SWIPT IFC systems.
| Original language | English |
|---|---|
| Title of host publication | 2016 IEEE 84th Vehicular Technology Conference, VTC Fall 2016 - Proceedings |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9781509017010 |
| DOIs | |
| Publication status | Published - 2017 Mar 17 |
| Event | 84th IEEE Vehicular Technology Conference, VTC Fall 2016 - Montreal, Canada Duration: 2016 Sep 18 → 2016 Sep 21 |
Other
| Other | 84th IEEE Vehicular Technology Conference, VTC Fall 2016 |
|---|---|
| Country | Canada |
| City | Montreal |
| Period | 16/9/18 → 16/9/21 |
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ASJC Scopus subject areas
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering
Cite this
Transmit beamforming optimization for wireless information and power transfer in MISO interference channels with signal cooperation. / Lee, Hoon; Lee, Sang Rim; Lee, Kyoung Jae; Kong, Han Bae; Lee, Inkyu.
2016 IEEE 84th Vehicular Technology Conference, VTC Fall 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2017. 7881589.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - Transmit beamforming optimization for wireless information and power transfer in MISO interference channels with signal cooperation
AU - Lee, Hoon
AU - Lee, Sang Rim
AU - Lee, Kyoung Jae
AU - Kong, Han Bae
AU - Lee, Inkyu
PY - 2017/3/17
Y1 - 2017/3/17
N2 - In simultaneous wireless information and power transfer (SWIPT) systems, dedicated energy signals only convey wireless energy, but not information. For this reason, the energycarring signals in the SWIPT can be pre-determined in advance and is shared among communication nodes. By exploiting this nature, this paper designs the optimal transmit beamforming vectors for the multiple-input single-output SWIPT interference channel with signal cooperation (IFC-SC), where the energycarrying signal waveforms are known to transmitters and receivers. Specifically, we aim to identify the optimal tradeoff between the information rate and the harvested energy. To this end, an information rate maximization problem is formulated under minimum required harvested energy constraint, which is non-convex in general. To solve the problem, a new parameterization technique is introduced, and we can decouple the original problem into two subproblems, which yields closed-form beamforming solutions by addressing the line search method for the parameter. Simulation results confirms that the proposed optimal IFC-SC beamforming vectors outperform conventional SWIPT IFC systems.
AB - In simultaneous wireless information and power transfer (SWIPT) systems, dedicated energy signals only convey wireless energy, but not information. For this reason, the energycarring signals in the SWIPT can be pre-determined in advance and is shared among communication nodes. By exploiting this nature, this paper designs the optimal transmit beamforming vectors for the multiple-input single-output SWIPT interference channel with signal cooperation (IFC-SC), where the energycarrying signal waveforms are known to transmitters and receivers. Specifically, we aim to identify the optimal tradeoff between the information rate and the harvested energy. To this end, an information rate maximization problem is formulated under minimum required harvested energy constraint, which is non-convex in general. To solve the problem, a new parameterization technique is introduced, and we can decouple the original problem into two subproblems, which yields closed-form beamforming solutions by addressing the line search method for the parameter. Simulation results confirms that the proposed optimal IFC-SC beamforming vectors outperform conventional SWIPT IFC systems.
UR - http://www.scopus.com/inward/record.url?scp=85016989788&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85016989788&partnerID=8YFLogxK
U2 - 10.1109/VTCFall.2016.7881589
DO - 10.1109/VTCFall.2016.7881589
M3 - Conference contribution
BT - 2016 IEEE 84th Vehicular Technology Conference, VTC Fall 2016 - Proceedings
PB - Institute of Electrical and Electronics Engineers Inc.
ER -