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Analysis of LTE-A Signal Strength in Indoor Mobility Environment

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Wireless communication network seems to be the highest interest by the research communities. One of the challenges areas is signal propagation spatially in 4.5G Long-Term Evolution-Advanced (LTE-A) mobility indoor environment. This paper presents a study on signal strength with frequency approaches from 1.8 GHz to 2.2 GHz in indoor environments. It focuses more on mobility of the receiver device, where there will be different distances. In this paper, an USRP (Universal Software Radio Peripheral) device is used as base stations to transmit the desired frequency as well as to receive the signal strength at certain distances in the indoor environment. The collected data showed the signal strength is inversely proportional to distance and frequency. Overall, the lower frequency band gives a good penetration of an object in radio wave in indoor environment. Furthermore, an algorithm is developed for spectrum mobility in LTE-A environment. By using our proposed scheme, the user able to adjust its transmission power with sufficient protection to licensed user instead of carrying out spectrum handoff. This investigation is found important for predicting indoor signal loss in LTE-A system and is useful for telecommunication providers to improve their service for better capacity and mobile user satisfaction.
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Keywords: Indoor; LTE-A; Signal Strength

Document Type: Research Article

Affiliations: 1: Faculty of Engineering, Multimedia University, Cyberjaya, 63100, Selangor, Malaysia 2: Wireless Communications, MIMOS, Berhad, Kuala Lumpur, Malaysia

Publication date: November 1, 2017

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  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
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