Energy-efficient hybrid precoding with low complexity based on successive interference cancelation for millimeter-wave massive MIMO systems
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Authors | Linglong Dai, Xinyu Gao, Zhaocheng Wang |
Journal/Conference Name | 2015 Radio and Antenna Days of the Indian Ocean (RADIO) |
Paper Category | Electronic Engineering |
Paper Abstract | Millimeter-wave massive MIMO usually utilizes the hybrid precoding to overcome the serious signal attenuation, where only a small number of RF chains is required. However, most of hybrid precoding schemes consider the complicated full-connected architecture. In this paper, we focus on the more energy-efficient sub-connected architecture, and propose a low-complexity hybrid precoding based on successive interference cancelation (SIC). The basic idea of SIC-based hybrid precoding is to decompose the total capacity optimization problem into a series of sub-problems, each of which only considers one sub-antenna array. Then, we can optimize the capacity of each sub-antenna array one by one until the last sub-antenna array is considered. Simulation results verify that SIC-based hybrid precoding can achieve the near-optimal performance. |
Date of publication | 2015 |
Code Programming Language | MATLAB |
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