Development Challenges of Millimeter‐Wave 5G Beamformers

Muhammad Ali Babar Abbasi, Qammer H. Abbasi

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)peer-review

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Beamforming is the central concept that can make millimetre-wave (mmWave) a viable solution by solving challenges of link-budget, cost, power, form factor, complexity, regulatory constraint and so on. Before deployment of mmWave beamforming solution for 5G, and possibly beyond, several fundamental questions need to be answered. Some of them include hardware constraints, performance matrices, realistic propagation channel models including impairments due to obstacles such as body, blockages due to casings, phase noise, a model for Spatial-temporal variations in channels, and advanced MIMO techniques for multi-carrier and multi-user communications. The site constraints and massive non-line-of-sight transmission within the urban environment are severely questioning the conventional terrestrial low power node deployments that used to work well at low operational frequencies (sub-6 GHz). In addition to this, in beamforming technology using massive antenna arrays, the coordination of the users and beams at the transmitter and receiver end within a large network are very challenging. In this study, we comprehensively investigate some of the most prominent and best practice solutions that attempted to answer these challenging questions.
Original languageEnglish
Title of host publicationWiley 5G Ref
PublisherJohn Wiley & Sons Ltd
Publication statusPublished - 16 May 2020


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