Presentation	2012-07-19 Mobility Load Balancing Scheme based on Cell Reselection in LTE Systems Toshiaki YAMAMOTO, Satoshi KONISHI,
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Abstract(in English)	Self-Organizing Networks (SON) have been studied in 3GPP LTE (3^ Generation Partnership Project Long Term Evolution). Mobility Load Balancing (MLB), which is one of the most important functions of SON, is the technique to distribute cell load evenly among adjacent cells by self-optimization of the mobility parameters. The conventional MLB schemes based on handover (HO) conflict with Mobility Robustness Optimization (MRO) because both operations adjust the same HO parameters and may degrade HO performance. In order to solve the conflict problem, this paper proposes an MLB scheme based on cell reselection (CR) that works in coordination with MRO. The scheme adjusts the CR parameters and not the HO parameters, and never conflicts with MRO. Through the computer simulations, it is shown that the proposed scheme can realize effective load balancing on a par with conventional schemes without any degradation in HO performance.
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Keyword(in English)	LTE / Self-Organizing Networks (SON) / mobility load balancing (MLB) / mobility robustness optimization (MRO) / cell reselection
Paper #	RCS2012-81
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Conference Information
Committee	RCS
Conference Date	2012/7/12(1days)
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Paper Information
Registration To	Radio Communication Systems (RCS)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	Mobility Load Balancing Scheme based on Cell Reselection in LTE Systems
Sub Title (in English)
Keyword(1)	LTE
Keyword(2)	Self-Organizing Networks (SON)
Keyword(3)	mobility load balancing (MLB)
Keyword(4)	mobility robustness optimization (MRO)
Keyword(5)	cell reselection
1st Author's Name	Toshiaki YAMAMOTO
1st Author's Affiliation	KDDI R&D Laboratories Inc.()
2nd Author's Name	Satoshi KONISHI
2nd Author's Affiliation	KDDI R&D Laboratories Inc.
Date	2012-07-19
Paper #	RCS2012-81
Volume (vol)	vol.112
Number (no)	132
Page	pp.pp.-
#Pages	6
Date of Issue