NDLI: Doppler frequency estimation-based handover algorithm for long-term evolution networks

Content Provider	IET Digital Library
Author	Altrad, Omar Muhaidat, Sami Yoo, Paul D
Abstract	Mobile cellular radio systems have become complex multi-layered systems with a mixed architecture of macro and micro cells; therefore, a dynamic method of triggering the handover algorithm in such systems is invaluable and required. In this paper the authors develop a simple handover mechanism to adapt for a fast moving mobile station requesting a handover, in which the authors utilise a Doppler frequency estimation in the downlink for adjustment and apply it to a long-term evolution (LTE) network. This method is beneficial for high speed mobiles in macro and/or micro cells, in which for the latter the cell radius is small and needs a dynamic algorithm to respond in a timely manner. The main objective of this study is to investigate the performance of the proposed algorithm; hence, a system layout is specifically designed for this study. Other factors, such as interference, which may affect the performance of the suggested system are not addressed here. The main concern is to study and compare the proposed algorithm to the standard handover algorithm currently implemented in LTE. Simulations at the system level show a marked decrease in the average number of handovers requested.
Starting Page	88
Ending Page	96
Page Count	9
ISSN	20474954
Volume Number	3
e-ISSN	20474962
Issue Number	Issue 2, Jun (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-net/3/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-net.2012.0224
Journal	IET Networks
Publisher Date	2013-10-21
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Cellular Radio Complex Multilayered System Doppler Frequency Estimation Doppler Frequency Estimation-based Handover Algorithm Fast Moving Mobile Station High Speed Mobiles Long Term Evolution Long-Term Evolution Network LTE Network Macrocell Architecture Microcell Architecture Mobile Cellular Radio System Mobile Radio System Standard Handover Algorithm
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Management Science and Operations Research Computer Networks and Communications

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