Terahertz wireless communication network resource management and control method based on intelligent reflection plane
A wireless communication network and reflective plane technology, applied in the field of terahertz wireless communication network resource management and control, can solve problems such as inter-user interference with communication links, blocking, etc., to achieve energy efficiency, maximize realization, and solve inter-user interference and communication The effect of link blocking
Active Publication Date: 2021-10-12
UNIV OF SCI & TECH BEIJING
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[0005] The embodiment of the present invention provides a terahertz wireless communication network resource management and control method based on an intelligent reflection plane, which can maximize energy efficiency while ensuring processing speed and stable convergence in the process of power optimization allocation, and solve inter-user interference and communication links. road blocking problem
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[0061] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0062] The purpose of the embodiments of the present invention is to simultaneously introduce large-scale MIMO technology and intelligent reflection planes in the terahertz frequency band to solve the problems of inter-user interference and communication link blocking, while ensuring the capacity and energy efficiency of the terahertz frequency band communication network. For this reason, An Intelligent Reflective Plane (IRS) assisted THz-MIMO downlink wireless network system is designed, such as figure 1 shown, the system includes: with N t A base station (Base station) with root antennas, a smart reflective plane with K reflective elements, and M single-antenna users (User). When the direct communication link between the base statio...
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The invention provides a terahertz wireless communication network resource management and control method based on an intelligent reflection plane, and belongs to the technical field of wireless communication. The method comprises the following steps: determining a channel gain matrix between a base station and an intelligent reflection plane and a channel gain matrix between the intelligent reflection plane and a user; constructing an element phase shift pool of the intelligent reflection plane according to the bit quantization number; selecting a phase shift capable of maximizing the system sum rate from the element phase shift pool, and constructing an intelligent reflection plane phase shift matrix; and according to the determined channel gain matrix between the base station and the intelligent reflection plane, the channel gain matrix between the intelligent reflection plane and the user and the constructed phase shift matrix, performing power distribution by using a distributed algorithm with maximization of system energy efficiency as a target. By adopting the method, the processing speed and the stable convergence in the power optimization distribution process can be ensured, the energy efficiency maximization is realized, and the problems of interference between users and communication link blockage are solved.
Description
technical field [0001] The invention relates to the technical field of wireless communication, in particular to a resource management and control method for a terahertz wireless communication network based on an intelligent reflection plane. Background technique [0002] Terahertz (THz) communication is a promising technology that has become a research hotspot in many countries. The terahertz band is located between infrared and microwave, with a frequency range of 0.1-10THz. Future networks will face the problem of scarcity of wireless communication spectrum resources while putting forward higher requirements on data transmission rates. Terahertz short-range wireless communication technology has attracted more and more attention. Terahertz communication technology can provide high data rate and large bandwidth, and has broad application prospects. It can solve the problems of insufficient spectrum and limited capacity in current wireless communication systems. Due to th...
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IPC IPC(8): H04B7/155H04B7/0426H04B7/0456H04B10/90
CPCH04B7/15528H04B7/0456H04B7/0426H04B10/90Y02D30/70
Inventor 王先梅任琳琳张海君
Owner UNIV OF SCI & TECH BEIJING