Abstract: Linear sparse arrays (coprime and nested arrays) have been studied extensively as a means of performing direction of arrival (DoA) estimation while bypassing Nyquist sampling theorem.

Abstract: In this paper, a low complexity channel estimation method is proposed for two-dimensional (2-D) massive MIMO systems with uniform rectangular arrays of antennas. Instead of assuming ...

The circular sector patch antenna is studied in C-band (4 GHz - 8 GHz). In this paper, we present steps of designing the circular sector antenna then a comparison with a rectangular antenna in ...

The paper recounts and revises the development of linear albegra system from ancient Chinese referenced on the acient Chinese text: The Nine Chapters on the Mathematical Art. The two main related ...

College of Physics & Electronic Engineering, Xianyang Normal University, Xianyang, China. Chirality, including spiral, propeller, and polymolecular chirality, is a ...

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