A Method for Optimizing Spectrum Efficiency Based on Multiple Parameters of Large-Scale Antenna System
A multi-parameter optimization and large-scale antenna technology, applied in radio transmission systems, transmission systems, network planning, etc., can solve problems such as high system complexity, high cost, pilot pollution, etc., and achieve the effect of optimizing the transmission power
Inactive Publication Date: 2020-05-12
UNIV OF SCI & TECH BEIJING
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[0005] The technical problem to be solved by the present invention is to provide a method for optimizing spectrum efficiency based on multiple parameters of a large-scale antenna system to solve the problems of pilot pollution, high power consumption, high system complexity and high cost in the prior art
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[0045] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.
[0046] Aiming at the existing problems of pilot frequency pollution, high power consumption, high system complexity and high cost, the present invention provides a method for optimizing spectrum efficiency based on multiple parameters of a large-scale antenna system.
[0047] Such as figure 1 As shown, the method for optimizing spectral efficiency based on multiple parameters of a large-scale antenna system provided by an embodiment of the present invention includes:
[0048] S101. Establish a multi-parameter optimized spectrum efficiency model, where the multi-parameters include: antenna selection matrix, beamforming vector, transmit power, and pilot sequence length;
[0049] S102, optimize the antenna selection matrix according to the established mult...
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The invention provides a method for multi-parameter optimization of spectral efficiency based on a massive multiple-input multiple-output (MIMO) system, which can improve the spectral efficiency of the system. The method includes the following steps: establishing a model for the multi-parameter optimization of the spectral efficiency, wherein multiple parameters include an antenna selection matrix, a beamforming vector, transmitting power and a pilot sequence length; optimizing the antenna selection matrix according to the established model for the multi-parameter optimization of the spectralefficiency; optimizing the beamforming vector and the transmitting power according to the established model for the multi-parameter optimization of the spectral efficiency and the optimized antenna selection matrix; optimizing the pilot sequence length according to the established model for the multi-parameter optimization of the spectral efficiency and the optimized antenna selection matrix, beamforming vector and transmitting power; and introducing the optimized antenna selection matrix, beamforming vector and transmitting power and the optimized pilot sequence length into the established model for the multi-parameter optimization of the spectral efficiency to obtain the optimized spectral efficiency. The scheme of the invention is applicable to spectral efficiency optimization operations.
Description
technical field [0001] The invention relates to the technical field of wireless communication, in particular to a method for optimizing spectrum efficiency based on multiple parameters of a large-scale antenna system. Background technique [0002] In recent years, with the rapid development of global wireless communication technologies, the demand for wireless communication data services has grown exponentially. In addition, the current wireless communication system adopts a static (fixed) spectrum allocation strategy, and spectrum resources are becoming more and more scarce. Massive Multiple-Input Multiple-Output (Massive MIMO) technology does not require a large-scale update of user terminal equipment. It only needs to modify the base station to improve the system's spectrum utilization and system capacity, and solve the problem of spectrum shortage. . [0003] In large-scale antenna systems, many problems such as pilot pollution, effective channel estimation, power cons...
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IPC IPC(8): H04W16/22H04B7/0413
CPCH04B7/0413H04W16/22
Inventor 杜利平贺文
Owner UNIV OF SCI & TECH BEIJING