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has been cited by the following article:

• TITLE: New Transmission Scheme Based on Space-Time Code for Massive MIMO

  AUTHORS: Xinji Tian, Wenjie Jia, Haotian Zhang

  KEYWORDS: Massive MIMO Systems, Space-Time Code, Decoding Complexity, Generalized Spatial Modulation

  JOURNAL NAME: Open Access Library Journal, Vol.4 No.6, June 29, 2017

  ABSTRACT: New transmission scheme based on space-time code is proposed for massive MIMO system, which consists of K users and a base station. Each user is equipped with four antennas and two of them are selected to send space-time codeword with Alamouti coded by using the method of generalized spatial modulation. The base station estimates the index of transmit antennas used by each user at first, and then uses an iterative method to separate each space-time codeword and decode modulated signals of each code-word. Compared with the existing scheme for the same scene, the proposed scheme reduces the complexity of decoding, while keeping the same transmission rate. Simulation results demonstrate that the proposed scheme outperforms the existing scheme in the same scene when the base station is equipped with large amount of antennas.