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Broadband RCS Reduction of Antenna with AMC Using Gradually Concentric Ring Arrangement

This paper proposes a new method to the broadband RCS reduction with the artificial magnetic conductor (AMC) surfaces. The AMC surfaces can introduce a zero-degree reflection phase shift to incident waves. The phase difference between the antenna and AMC structures is 180°. Therefore, the AMC structures can be used to achieve RCS reduction. However, the bandwidth of zero-degree...

Antenna Array Design in MIMO Radar Using NSK Polynomial Factorization Algorithm

The work presented here is concerned with the antenna array design in collocated multiple-input multiple-output (MIMO) radars. After knowing the system requirements, the antenna array design problem is formulated as a standard polynomial factorization. In addition, an algorithm based on Newton-Schubert-Kronecker (NSK) polynomial factorization is proposed. The algorithm contains...

Antenna Array Design in MIMO Radar Using NSK Polynomial Factorization Algorithm

The work presented here is concerned with the antenna array design in collocated multiple-input multiple-output (MIMO) radars. After knowing the system requirements, the antenna array design problem is formulated as a standard polynomial factorization. In addition, an algorithm based on Newton-Schubert-Kronecker (NSK) polynomial factorization is proposed. The algorithm contains...

An Improved Multicell MMSE Channel Estimation in a Massive MIMO System

, Concordia University, Montreal, QC, Canada H3G IM8 Received 22 January 2014; Accepted 9 April 2014; Published 8 May 2014 Academic Editor: Kan Zheng Copyright © 2014 Ke Li et al. This is an open access

An Improved Multicell MMSE Channel Estimation in a Massive MIMO System

, Concordia University, Montreal, QC, Canada H3G IM8 Received 22 January 2014; Accepted 9 April 2014; Published 8 May 2014 Academic Editor: Kan Zheng Copyright © 2014 Ke Li et al. This is an open access