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Energy sharing and power allocation method for EH distributed base station system

A distributed base station, energy transmission efficiency technology, applied in the direction of information technology support system, power network operating system integration, data exchange details, etc., can solve the problem of increasing system use cost, high dependence on smart grid, and inability to realize remote antenna unit sharing Optimal allocation of power and other issues to achieve the effect of optimizing power allocation, reducing dependence, and improving system transmission rate

Active Publication Date: 2018-12-18
GUANGXI NORMAL UNIV
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  • Claims
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AI Technical Summary

Problems solved by technology

However, the disadvantage of this architecture is that it cannot realize the sharing of energy collected by remote antenna units within the system and the optimal distribution of power, and it is highly dependent on the smart grid, which increases the cost of system use.

Method used

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  • Energy sharing and power allocation method for EH distributed base station system

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Embodiment Construction

[0006] System model such as figure 1 As shown in the figure, the information and energy two-way transmission link shown in the figure includes a wired or wireless information transmission two-way link and a wired or wireless energy transmission two-way link. The grid shown is a smart grid, and a distributed base station system includes a A baseband processing unit, N (N>1) remote antenna units each equipped with M (M>1) antennas, an energy sharing pool, transmission links and interfaces between the energy sharing pool and the baseband processing unit, and remote antenna units The transmission link and interface between the baseband processing unit, the transmission link and interface between the remote antenna unit and the energy sharing pool, the transmission link and interface between the distributed base station and the smart grid equipment, etc., the baseband processing unit and the remote The antenna units all have energy harvesting capabilities.

[0007] The smart grid ...

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Abstract

The invention discloses an energy sharing and power distribution method of an EH distributed base station system. A definition is shown in the description, N is the number of remote antenna elements;M is the number of antennas configured for each remote antenna unit; gi is an M * 1 dimension channel vector; wi is a beamforming column vector of the remote antenna element i, the length is M and | |wi | |<2>=1. The method is obtained by solving the following optimization problem: (shown in the description). The present invention can realize the share of the collected energy of the EH distributebase station system among the components within the system, on the premise of minimizing the power supply of smart grid, the optimal power distribution can be obtained and the transmission rate of the system can be improved. Moreover, by preferentially using the collected energy, the dependency on smart grid and the cost of distributed base station system are reduced.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a method for resource sharing and power allocation of a distributed base station system in a wireless EH network. Background technique [0002] Energy harvesting (EH) technology, which obtains energy from renewable energy sources such as solar energy, wind energy, thermal energy, and radio frequency (RF) energy, can drive communication devices and networks, showing bright prospects for realizing green communication. A distributed base station usually consists of a baseband processing unit and a remote antenna unit (also called a radio frequency processing unit), and has higher capacity and better coverage performance than traditional base stations. There are few technical achievements about distributed base station networking in wireless EH networks. A distributed base station architecture has been disclosed. The MIMO distributed antenna system realizes wireless in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/10H02J50/20
CPCH02J50/20H04L12/10Y02B70/30Y04S20/20
Inventor 肖琨
Owner GUANGXI NORMAL UNIV
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