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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.

Active Publication Date: 2022-02-01
SOUTHEAST UNIV
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Problems solved by technology

[0004] Traditional energy efficiency optimization problems are often based on instantaneous channel state information, but in massive MIMO systems, it is difficult to obtain instantaneous channel state information, and when the number of antennas on the base station side is large, the complexity of the expected process in solving the user rate process very high

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

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[0054] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0055] This invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0056] like figure 1 As shown, the present invention proposes a method for maximizing the minimum energy efficiency multi-cell massive MIMO beam domain power allocation, the method includes the following steps:

[0057] 1) Construct a cell cluster and configure an antenna array, and generate a beam set through beamforming:

[0058] Construct several cells into a cell cluster, and the base station of each cell in the cell cluster is equipped with a large-scale antenna array, and the number of antennas is 10 2 or 10 3 Order of magnitude, an...

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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.

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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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/0426H04W52/24H04W52/42
CPCH04B7/0426H04B7/043H04W52/241H04W52/42
Inventor 尤力黄雨菲姜涵予汤金科乔治王闻今
Owner SOUTHEAST UNIV
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