name: BF
full_form: Beamforming
context: Due to high path loss encounter at mmWave, beamforming (BF) assumes an important role to stablish and maintain a robust communication link. There are several discussions about digital and analogue BF implementation. Digital beamforming provides a high flexibility in shaping beams at cost of increasing complexity. The high cost, power consumption and complexity of mmWave mixed signal components constrains the use of fully-digital BF architectures at the UE unlike simpler, lower antenna count more conventionally used in sub-6 GHz systems. On the other hand, analogue BF has fewer RF chain than antenna elements, which is more cost effective with lower power consumption and therefore, more suitable for the UE at mmWave. The disadvantage of this approach is having less flexibility compared to digital BF, since it can only handle one beam at a time. The hybrid BF architecture is another approach that consists of reducing the hardware complexity with limited number of RF chains but using
description: Beamforming (BF) is a technology used in telecommunications to improve the efficiency and reliability of wireless communication systems, particularly at millimeter wave (mmWave) frequencies. It involves shaping and steering radio beams to enhance signal strength and reduce interference.
explanation: The text describes Beamforming as a technology that enhances wireless communication by shaping radio beams. This aligns with the definition of 'Technology' as the application of scientific knowledge for practical purposes.
section_title: 6.2.1.2.2.3Beamforming
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