The mutual coupling between antenna elements affects the antenna parameters like
terminal impedances, reflection coefficients and hence the antenna array performance in …

Mutual coupling is a common problem in the applications of antenna arrays. It significantly
affects the operation of almost all types of antenna arrays. Over the past years, there have …

Significant effort has gone into designing robust adaptive beamforming algorithms to
improve robustness against uncertainties in array manifold. These uncertainties may be …

In smart antenna systems, mutual coupling between elements can significantly degrade the
performance of array processing algorithms. Based on the special structure of coupling …

The paper presents digital beamforming for Passive Coherent Location (PCL) radar. The
considered circular antenna array is a part of a passive system developed at Warsaw …

This paper analyzes the performance of linearly precoded time division duplex based multi-
user massive MIMO downlink system under joint impacts of channel non-reciprocity (NRC) …

A new method for direction-of-arrival (DOA) estimation of coherent signals is devised in this
paper. The coherency of sources is decorrelated by employing an existing algorithm in …

The reciprocity theorem is applied to derive an exact expression that is used to remove the
coupling effects embedded in the receiving voltages of an antenna array. The correlation …

The method of direction estimation (MODE) offers appealing advantages such as asymptotic
efficiency with mild computational complexity and excellent performance in handling …

A novel efficient coherent direction-of-arrival (DOA) estimation method is devised in this
article. First, a new cost function without the knowledge of source number is developed …