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 language | English |
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Title of host publication | Proceedings - IEEE 22nd International |
Publisher | IEEE Computer Society |
Pages | 281-286 |
Number of pages | 6 |
ISBN (Electronic) | 9781479962044 |
DOIs | |
Publication status | Published - 1 Jan 2014 |
Event | 22nd IEEE International Conference on Network Protocols, ICNP 2014 - Research Triangle, United States Duration: 21 Oct 2014 → 24 Oct 2014 |
Conference
Conference | 22nd IEEE International Conference on Network Protocols, ICNP 2014 |
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Country/Territory | United States |
City | Research Triangle |
Period | 21/10/14 → 24/10/14 |
ASJC Scopus subject areas
- Computer Networks and Communications
- Software