TCP performance over mobile networks in high-speed mobility scenarios

Qingyang Xiao, Ke Xu, Dan Wang, Li Li, Yifeng Zhong

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

24 Citations (Scopus)

Abstract

Recently, the performance of mobile data networks has been evaluated from many aspects, e.g., TCP/IP protocols, comparison with WiFi or even satellite communication, under different movements within a metropolis area. Nevertheless, the result is still unknown in high-speed mobility scenarios and in a scale that crosses different metropolis and geographic areas. To fill in this blank, we carry out a comprehensive measurement study on the performance of mobile data networks under high-speed mobility, i.e., 300 km/h or above. Such speed is the current de facto standard of the China Railway High speed (CRH) network, the largest commercial high-speed railway network in the world so far. We first present an overview on the TCP performance over LTE networks. We observe that decent throughput may exist under high-speed mobility. However, comparing to the stationary and driving (100 km/h) scenarios, the throughput and RTT not only are worse, but also have a large variance. We then take an in-depth investigation into two key factors affecting the performance, i.e., The wireless channel and handoff. We believe our study on these factors is useful not only for TCP, but also for other upper-layer protocols.
Original languageEnglish
Title of host publicationProceedings - IEEE 22nd International
PublisherIEEE Computer Society
Pages281-286
Number of pages6
ISBN (Electronic)9781479962044
DOIs
Publication statusPublished - 1 Jan 2014
Event22nd IEEE International Conference on Network Protocols, ICNP 2014 - Research Triangle, United States
Duration: 21 Oct 201424 Oct 2014

Conference

Conference22nd IEEE International Conference on Network Protocols, ICNP 2014
CountryUnited States
CityResearch Triangle
Period21/10/1424/10/14

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Software

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