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Two-Dimensional AoD and AoA Acquisition for Wideband mmWave Systems with Cross-Polarized MIMO

Title
Two-Dimensional AoD and AoA Acquisition for Wideband mmWave Systems with Cross-Polarized MIMO
Authors
ZHU, DALINCHOI, JUNILHEATH, ROBERT
POSTECH Authors
CHOI, JUNIL
Date Issued
Dec-2017
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Abstract
In this paper, a novel two-dimensional superresolution angle-of-departure (AoD) and angle-of-arrival (AoA) estimation technique is proposed for wideband millimeter-wave multiple-input multiple-output systems with dual-polarized antenna elements. The key ingredient of the proposed method is the custom designed beam pairs, from which there exists an invertible function of the AoD/AoA. A new multi-layer reference signal structure is developed for the proposed method to facilitate angle estimation for wideband channels with dual-polarized antenna elements. To reduce feedback in closed-loop frequency division duplexing systems, a novel differential feedback strategy is proposed to feedback the estimated angle pairs. Numerical results demonstrate that good azimuth/elevation AoD and AoA estimation performance can be achieved under different levels of signal-to-noise ratio, channel conditions, and antenna array configurations. IEEE
URI
http://oasis.postech.ac.kr/handle/2014.oak/38949
DOI
10.1109/TWC.2017.2754369
ISSN
1536-1276
Article Type
Article
Citation
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, vol. 16, no. 12, page. 7890 - 7905, 2017-12
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 CHOI, JUNIL
Dept of Electrical Enginrg
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