Journal
IEEE COMMUNICATIONS MAGAZINE
Volume 53, Issue 4, Pages 86-93Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/MCOM.2015.7081080
Keywords
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Funding
- UK EPSRC [EP/I037423/1]
- NSFC [61201229, 61222103]
- Zhejiang Science and Technology Department Public Project [2014C31051]
- Fundamental Research Funds for Central Universities [2014QNA5019]
- National High Technology Research and Development Program of China [2014AA01A701]
- State Major Science and Technology Special Projects [2013ZX03001001]
- Beijing Natural Science Foundation [4131003]
- Alexander von Humboldt (AvH) Professorship Program
- National Science Foundation [CMMI-1435778, DMS-1118605, ECCS-1343210]
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1343210] Funding Source: National Science Foundation
- Division Of Mathematical Sciences
- Direct For Mathematical & Physical Scien [1118605] Funding Source: National Science Foundation
- Engineering and Physical Sciences Research Council [EP/I037423/2] Funding Source: researchfish
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Simultaneous wireless information and power transfer (SWIPT) is a promising solution to increase the lifetime of wireless nodes and hence alleviate the energy bottleneck of energy constrained wireless networks. As an alternative to conventional energy harvesting techniques, SWIPT relies on the use of radio frequency signals, and is expected to bring some fundamental changes to the design of wireless communication networks. This article focuses on the application of advanced smart antenna technologies to SWIPT, including multiple-input multiple-output and relaying techniques. These smart antenna technologies have the potential to significantly improve the energy efficiency and also the spectral efficiency of SWIPT. Different network topologies with single and multiple users are investigated, along with some promising solutions to achieve a favorable trade-off between system performance and complexity. A detailed discussion of future research challenges for the design of SWIPT systems is also provided.
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