Theory analysis of the handover challenge in Express Train Access Networks (ETAN)

Author

Hu Guoqing ; Huang Anpeng ; He Ruisi ; Ai Bo ; Chen Zhangyuan

Author_Institution

State Key Lab. of Adv. Opt. Commun. Syst. & Networks, Peking Univ., Beijing, China

Volume

11

Issue

7

fYear

2014

fDate

Jul-14

Firstpage

92

Lastpage

98

Abstract

To handle the handover challenge in Express Train Access Networks (ETAN), mobility fading effects in high speed railway environments should be addressed first. Based on the investigation of fading effects in this paper, we obtain two theoretical bounds: HO-Timing upper bound and HO-Margin lower bound, which are helpful guidelines to study the handover challenge today and in the future. Then, we apply them to analyze performance of conventional handover technologies and our proposal in ETAN. This follow-up theory analyses and simulation experiment results demonstrate that the proposed handover solution can minimize handover time up to 4 ms (which is the fastest one so far), and reduce HO-Margin to 0.16 dB at a train speed of 350 km/h.

Keywords

mobility management (mobile radio); railway communication; ETAN; HO-margin lower bound; HO-timing upper bound; express train access network; gain 0.16 dB; handover challenge; high speed railway environment; mobility fading effect; velocity 350 km/h; Fading; Handover; Proposals; Rail transportation; Timing; Upper bound; HO-margin lower bound; HO-timing upper bound; express train access network; handover (HO); high speed railways;

fLanguage

English

Journal_Title

Communications, China

Publisher

ieee

ISSN

1673-5447

Type

jour

DOI

10.1109/CC.2014.6895388

Filename

6895388