Quasi-Orthogonal Multibeam Radiation of Reflector Antennas for Radio Coverage of Mobile Communication at Millimeter-Wave Frequencies

Chou, Hsi‐Tseng; Chou, Sheng-Ju; Chiu, Chi-Tsung; Sun, Chun-Chin; Yu, Chien-Te

doi:10.1109/tap.2018.2861988

Cited by 7 publications

(3 citation statements)

References 22 publications

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“…Other techniques for achieving multibeam antennas using passive structures have also been considered. These include the circuit-based Butler matrix beamformer [82] and quasioptical architectures using multi-feed lenses [83], [84]. Although the generated beams are static with each beam pointing in a pre-defined direction, these antennas are low-cost and light-weight and are useful in certain application scenarios.…”

Section: A Mmwave Antennas For 5g Bssmentioning

confidence: 99%

The Role of Millimeter-Wave Technologies in 5G/6G Wireless Communications

et al. 2021

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Section: A Mmwave Antennas For 5g Bssmentioning

confidence: 99%

The Role of Millimeter-Wave Technologies in 5G/6G Wireless Communications

et al. 2021

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“…In these works, the phrase "quasi-" is used to indicate that the orthogonality condition in (6) is partially satisfied as the integral gives a small, yet non-zero, value. In [100], a multibeam mm-wave reflector antenna design was presented for 5G communications. Five quasi-orthogonal beams were synthesized based on the orthogonality criterion such that the inner product of the radiation pattern of two adjacent beams is less than a desired threshold.…”

Section: Orthogonal Beamforming Networkmentioning

confidence: 99%

Orthogonal Versus Zero-Forced Beamforming in Multibeam Antenna Systems: Review and Challenges for Future Wireless Networks

et al. 2021

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Orthogonality in multibeam antennas is revisited. The difference between orthogonal beamforming and zero-forced beamforming is highlighted. The intriguing relation between orthogonality, reciprocity and losses is recapitulated. Different approaches on the design of orthogonal beamforming networks and implementation of zero-forced beamforming strategies are shown with various examples from the antenna-research-oriented literature. The use of orthogonal and zero-forced beamforming is discussed from the communication system perspective with relevant studies from diverse disciplines. Some of the future research challenges and potential benefits are outlined for the next generation satellite and cellular communication applications.

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“…Placing numerous feeds in various positions in front of a reflector aerial will make it simple to obtain multiple beams radiating at various angles. (SUDHAKAR et al, 1995), (CHOU et al, 2018). Using a lens aerial is a different method.…”

Section: Introductionmentioning

confidence: 99%

Design and Simulation of Transceiver Antennas in FSO Technology within the 5G Networks

Almalki¹,

Affandi²,

Syed³

2023

AJRSP

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There is an urgent need for high-capacity connection with high data transfer rate in densely populated areas due to the rapid growth of mobile communication technologies and the explosion of data traffic. Multi beam antennas have generated a lot of research interest and have been extensively explored for base station applications due to their ability to boost communication capacity and sustain a high data transfer rate. Multi-beam antennas based on Butler matrices (MABBMs) are also appropriate for base station applications because to their advantages of high gain, simple design, and low profile. This paper's goal is to give a summary of the current MABBMs. The presentation of MABBMs includes its specifications, operating principles, design methodology, and implementation. In the final section, the difficulty of MABBMs for 3G/LTE/5G/B5G base station applications is discussed. The paper is divided into six sections, in the first section an introduction, in the second section base station application standards are presented, the design strategy and operating principles of MABBMs in the third section, and the latest developments in MABBM research for mobile communication systems are addressed in the fourth section, and challenges are presented in fifth Section, and conclusions are presented in the sixth Section.

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Quasi-Orthogonal Multibeam Radiation of Reflector Antennas for Radio Coverage of Mobile Communication at Millimeter-Wave Frequencies

Cited by 7 publications

References 22 publications

The Role of Millimeter-Wave Technologies in 5G/6G Wireless Communications

The Role of Millimeter-Wave Technologies in 5G/6G Wireless Communications

Orthogonal Versus Zero-Forced Beamforming in Multibeam Antenna Systems: Review and Challenges for Future Wireless Networks

Design and Simulation of Transceiver Antennas in FSO Technology within the 5G Networks

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