A Method of Maximizing Minimum Energy Efficiency Multi-Cell Large-Scale MIMO Beam Domain Power Allocation

An allocation method and beam domain technology, applied in the field of communication, can solve the problems of high complexity and difficulty in obtaining instantaneous channel state information, and achieve the effect of reducing the complexity and speeding up the operation speed.
CN111917445BActive Publication Date: 2022-02-01SOUTHEAST UNIV
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
SOUTHEAST UNIV
Publication Date
2022-02-01

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Abstract

The invention discloses a method for maximizing minimum energy efficiency multi-cell large-scale MIMO beam domain power allocation. The method includes the following steps: constructing a cell cluster and configuring an antenna array, and generating a beam set through beamforming; Statistical channel state information: Send the statistical channel state information to the central processing center, and perform multi-cell massive MIMO beam domain power allocation: dynamically implement multi-cell massive MIMO beam domain power allocation according to changes in statistical channel state information. The present invention effectively improves the energy efficiency and spectral efficiency through a large-scale antenna array, and fully utilizes the beam domain statistical channel state information of multiple cell users, improves the design performance, and maximizes the minimum energy efficiency in the multi-cell large-scale MIMO beam domain Power allocation, significantly reducing the complexity of optimization problem solving and physical layer implementation.
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Description

technical field

[0001] The present invention relates to the field of communication technology, in particular to a method for allocating power in the beam domain of a massive MIMO multi-cell that maximizes the minimum energy efficiency. Background technique

[0002] In a massive MIMO system, a large-scale antenna array is arranged at the base station to serve multiple users simultaneously. The use of massive MIMO technology can effectively reduce the interference between users and greatly improve the energy efficiency and spectral efficiency of wireless communication systems. Beam domain transmission means that the base station side converts the transmitted signal to the beam domain through a unified unitary transformation, making full use of the spatial angular resolution of the large-scale antenna array and the local characteristics of the user channel in the beam domain.

[0003] During the multi-cell massive MIMO downlink transmission process, the base station sends sign...

Claims

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