Energy-efficient power distribution method aiming at mixed energy supply distributed antenna system
A distributed antenna and hybrid energy technology, applied in radio transmission systems, power management, transmission systems, etc., can solve problems such as less research on collected energy and grid energy, and it is difficult to completely eliminate user interference, so as to improve energy efficiency. Effect
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[0039] The technical solution of the present invention will be further introduced below in conjunction with the accompanying drawings and specific embodiments.
[0040] The single-cell downlink multi-user distributed antenna system for mixed energy supply in this specific embodiment is as follows: figure 1 As shown, there are K users and M RAUs in the cell, figure 1 Where K=M=2. The RAU not only receives power from the grid, but also autonomously collects renewable energy. The system gives priority to using the collected energy to carry data services. When the collected energy is insufficient, the power grid is used to ensure data transmission. It is assumed that both the RAU and the user have a single antenna, and all the RAUs are connected to a central processing unit (Center Unit, CU) through an optical fiber. Assuming that both the sender and the receiver know the channel state information, the RAU sends the data stream x in a cooperative manner k to user k, then the s...
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