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Index Detection Based Channel Estimation for Hybrid Massive MIMO MmWave Systems | IEEE Conference Publication | IEEE Xplore

Index Detection Based Channel Estimation for Hybrid Massive MIMO MmWave Systems


Abstract:

This paper presents a novel channel estimation scheme for massive multiple input multiple output (MIMO) millimeter wave (mmWave) communication system with massive uniform...Show More

Abstract:

This paper presents a novel channel estimation scheme for massive multiple input multiple output (MIMO) millimeter wave (mmWave) communication system with massive uniform linear array (ULA) at base station (BS) and hybrid architecture. Through practical channel modeling, each channel path is composed of angle information and channel gain information that can be estimated separately. We first propose a general iterative index detection-based channel estimation algorithm (IDCEA) that can obtain both direction of arrival (DOA) and channel gain of each channel path. We then design an enhanced hybrid precoding scheme from the angle domain viewpoint to reduce the inter-beam interferences. Simulation results show that the proposed channel estimation can be better than traditional methods. Finally, numerical examples are provided to corroborate the proposed studies.
Date of Conference: 20-24 May 2019
Date Added to IEEE Xplore: 15 July 2019
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Conference Location: Shanghai, China

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