Abstract: Dynamic subarray achieves a compromise between the sum rate and hardware complexity of millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems, in which antenna ...

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A Reddit user shared a common problem: "I have been practicing neetcode 150 and I am pretty good at it. I can solve any question from it. But yesterday I had an interview and they asked me a question ...

The concept of Optimal Power Flow (OPF) developed by Dommel and Tinney in 1960 holds paramount importance in power system operation and control. The objective of OPF is to identify optimal control ...

I recently reviewed interview preparation websites and realized that they’re now a decade more sophisticated than when I last interviewed. But I now have more than a decade of experience as a Google ...

You are given an array (ARR) of length N, consisting of integers. You have to find the sum of the subarray (including empty subarray) having maximum sum among all subarrays. A subarray is a contiguous ...

Abstract: Hybrid precoding for millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems has attracted much attention in recent years for subarray architecture compared to array ...

Yash is an aspiring computer science student who loves to build things and write about all things tech. In his free time, he likes to play Squash, read a copy of the latest Murakami, and hunt dragons ...

On February 17, 2009, the Wilson Center Africa Program hosted a panel examining regional involvement in Zimbabwe's power-sharing negotiations, which led this month to the formation of an all-inclusive ...

The four experts who spoke at an April 24 Asia Program seminar on Japan's declining population agreed that the problem was multidimensional: Japanese men continue to face the pressures of long hours ...