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International Journal of Antennas and Propagation
Article . 2012 . Peer-reviewed
License: CC BY
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https://doi.org/10.1109/ectico...
Article . 2012 . Peer-reviewed
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https://dx.doi.org/10.60692/yt...
Other literature type . 2012
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Other literature type . 2012
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Angular beamforming technique for MIMO beamforming system

تقنية تشكيل الحزم الزاوي لنظام تشكيل الحزم MIMO
Authors: Apinya Innok; Peerapong Uthansakul; Monthippa Uthansakul;

Angular beamforming technique for MIMO beamforming system

Abstract

The method of MIMO beamforming has gained a lot of attention. The eigen beamforming (EB) technique provides the best performance but requiring full channel information. However, it is impossible to fully acquire the channel in a real fading environment. To overcome the limitations of the EB technique, the quantized beamforming (QB) technique was proposed by using only some feedback bits instead of full channel information to calculate the suitable beamforming vectors. Unfortunalely, the complexity of finding the beamforming vectors is the limitation of the QB technique. In this paper, we propose a new technique named as angular beamforming (AB) to overcome drawbacks of QB technique. The proposed technique offers low computational complexity for finding the suitable beamforming vectors. In this paper, we also present the feasibility implementation of the proposed AB method. The experiments are undertaken mainly to verify the concept of the AB technique by utilizing the Butler matrix as a two-bit AB processor. The experimental implementation and the results demonstrate that the proposed technique is attractive from the point of view of easy implementation without much computational complexity and low cost.

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Keywords

Aerospace Engineering, FOS: Mechanical engineering, Geometry, Optimization Techniques for Antenna Arrays, WSDMA, Engineering, Point (geometry), Computer engineering, Beamforming, Channel Modeling, FOS: Electrical engineering, electronic engineering, information engineering, FOS: Mathematics, Electrical and Electronic Engineering, Cellular telephone services industry. Wireless telephone industry, Electronic engineering, Precoding, Next Generation 5G Wireless Networks, Computer science, TK1-9971, Computational complexity theory, Algorithm, MIMO, Millimeter Wave Communications for 5G and Beyond, Fading, Channel (broadcasting), Physical Sciences, HE9713-9715, Telecommunications, Electrical engineering. Electronics. Nuclear engineering, Mathematics

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    popularity
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    influence
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
13
Top 10%
Top 10%
Average
gold