Journal of Signal Processing Systems (2018) 90:805–806 https://doi.org/10.1007/s11265-018-1328-0 1 2 Chia-Han Lee & Wenjun Xu Published online: 30 March 2018 Springer Science+Business Media, LLC, part of Springer Nature 2018 Power supply is a long-standing problem for mobile devices spectrum sensing rule, which is significantly faster than the and sensor nodes. When entering the era of Internet-of-Things conventional simulated annealing algorithm. A suboptimal (IoT) and 5G, with the significant growing number of IoT solution is also proposed to further reduce the computational devices and the increasing dependence on mobile devices, it complexity, in which the problem is formulated as a mixed- is expected that the power supply issue will be more demand- integer non-linear programming problem. ing in the future. Wireless power transfer is a technology that In the paper BSimultaneous wireless information and pow- allows replenishing the battery without physical connections. er transfer in multi-antenna systems^, a comprehensive liter- Compared to the cordless power supply technologies that rely ature survey on simultaneous wireless information and power on pure energy harvesting, wireless power transfer provides transfer (SWIPT) in multi-antenna systems is provided. an active and controlled way for power delivery to mobile Firstly, recent contributions on the theoretical analysis of
Journal of Signal Processing Systems – Springer Journals
Published: Mar 30, 2018
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