Wireless energy carrying communication method based on OFDM sub-carrier allocation
A wireless energy-carrying communication and sub-carrier allocation technology, which is applied in the field of wireless energy-carrying communication and energy-carrying communication, can solve the problem of high design complexity at the receiving end, and achieve the effect of reducing design complexity
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[0034] The present invention will be further described below in conjunction with the accompanying drawings.
[0035] refer to Figure 1 ~ Figure 3 , a wireless energy-carrying communication method based on OFDM subcarrier allocation is implemented based on an existing wireless communication system, and the wireless energy-carrying communication system is composed of a pair of transmitting end (Tx) and receiving end (Rx), and the transmitting There are K subcarriers at the end.
[0036] In the method of this embodiment, the sending end sends information to the receiving end, and the receiving end uses a part of subcarriers to receive the information according to the channel state. If the received information rate R is greater than the target rate, that is, R≥R T , the remaining subcarriers are used to harvest energy.
[0037] In this embodiment, the information rate R received by the receiving end and the collected energy Q can be obtained by the following methods:
[0038]...
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