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Direction of Arrival Estimation Using EM Lens

Details of idea

by  |  at 18. September 2017 - 11:13  |  
Participation in the challenge Wissenschaftspreis - Universitäten/Fachho ... (Public)


Massive multiple-input-multiple-output (MIMO) systems are considered as an important option for next generation networks such as 5G. Typically, a massive MIMO system deploys a very large number of antennas in network design to attain advantages in spectral efficiency and reliability. The purpose of this idea is to address the direction finding application in a massive antenna array system with reduced hardware and computational complexity using the EM lens antennas. We propose a low complexity based direction finding approach in an electromagnetic (EM) lens assisted massive antenna system. The EM lens provide the advantage of focusing the received signal energy on a small area/subset of the antennas array at the base station (BS). Thus, by taking the advantage of this focusing ability, we propose a complexity reduced sum and difference pattern technique to find the direction of arrival (DoA) of the received radio frequency (RF) signals. The proposed technique can be implemented in RF.

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