Abstract
Combine with time reversal (TR) technique, a method for enhancing power collection efficiency of long-distance wireless power transmission (WPT) is proposed. In the condition of non-line of sight (NLOS) and transmission distance of 15m (d=15m), compared with the WPT directly, the received average power of WPT using TR technique is enhanced more than one order without increasing the complexity of transceivers. In order to further explain the impacts of TR technique on WPT, the power collection efficiency ratios at d=15m are also analyzed.
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