Resource Management for Intelligent Reflecting Surface Assisted THz-MIMO Network
Ren, L., Zhang, H., Zhu, Y. and Long, K. (2021). Resource Management for Intelligent Reflecting Surface Assisted THz-MIMO Network. 2021 IEEE Global Communications Conference (GLOBECOM). Madrid, Spain 07 - 11 Dec 2021 IEEE. https://doi.org/10.1109/globecom46510.2021.9685295
|Authors||Ren, L., Zhang, H., Zhu, Y. and Long, K.|
As the preferred frequency band for future high frequency communication, the terahertz (THz) band has at-tracted wide attention. In this paper, an energy efficient resource optimization problem in THz band is studied. The massive Multiple-Input Multiple-Output (MIMO) technology and intelligent reflecting surface (IRS) are adopted to improve the capacity and energy efficiency (EE) of proposed network. An IRS assisted THz-MIMO downlink wireless network system is established. The original EE problem is decomposed into phase-shift matrix optimization and power allocation. On this basis, a distributed EE optimization algorithm is designed, which transforms the original nonlinear problem into a convex optimization problem. The simulation results reveal that the proposed distributed optimization method converges rapidly and abtains the maximum EE. This also proves that it is feasible and effective to apply both the IRS and the massive MIMO technology into THz communication network.
|Journal||2021 IEEE Global Communications Conference (GLOBECOM)|
|Journal citation||p. 21703246|
|Digital Object Identifier (DOI)||https://doi.org/10.1109/globecom46510.2021.9685295|
|Accepted author manuscript|
File Access Level
|02 Feb 2022|
|Publication process dates|
|Deposited||20 Sep 2022|
|Funder/Client||National Natural Science Foundation of China|
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