Universal non-uniform planar array design method based on Massive MIMO system

Abstract

The invention discloses a universal non-uniform planar array design method based on a Massive MIMO system, and the method comprises the steps: constructing a distance relation based on the position of an array element according to the arrangement characteristics of a non-uniform planar array; constructing a channel matrix model based on the distance relation; constructing a channel capacity model based on the channel matrix model and simplifying the channel capacity model to obtain a simplified channel capacity model; establishing an optimization problem by taking maximization of the simplified channel capacity model as a target; the optimization problem is simplified and solved, and arrangement parameters of the non-uniform planar array are obtained; according to the method, the distance relational expression, the channel matrix model and the channel capacity model are sequentially constructed according to the arrangement characteristics of the non-uniform planar array, the maximization of the channel capacity is taken as an optimization problem, and then the arrangement parameters of the non-uniform planar array are solved, so that the problem of capacity reduction caused by non-uniform distribution of channel characteristic values can be effectively relieved; and the channel capacity is further improved.

Description

technical field [0001] The invention belongs to the technical field of mobile communication, and in particular relates to a universal non-uniform plane array design method based on Massive MIMO system. Background technique [0002] With the rapid development of technologies such as the Internet of Things, cloud computing and big data, people's requirements for data transmission rates are gradually increasing. However, the technical indicators related to 5G cannot meet all the connection needs of the future information society, especially the data rate required for high-fidelity augmented reality (AR) / virtual reality (VR) and remote holographic teleportation applications. It will reach 1Tbps, far exceeding the 20Gbps target defined by 5G, reaching 1Tbps. This drives the evolution of the 5G communication system (Beyond 5G, B5G) and the development of the next generation mobile communication system (6th Generation, 6G). [0003] At present, the performance of channel coding a...

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Problems solved by technology

[0004] To sum up, the problem existing in the prior art is that most of the researches only focus on the uniform planar array structure, and there is very little optimization design for the non-uniform planar array structure Research

In addition, most studies have not considered the effect of transmission angle on array design

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