Journal of Zhejiang University-SCIENCE A

, Volume 7, Issue 4, pp 477–482 | Cite as

Redundancy elimination in GPRS network

  • Qiu Qin-long 
  • Zhang Dong-mei 
  • Ma Jian 
  • Zhang Da-jiang 
Article
  • 42 Downloads

Abstract

The mechanisms of TCP’s retransmission and reset will result in redundant packets. These redundant packets are often sent unnecessarily to the user over a slow last-hop link delaying useful traffic. This is a problem for wide-area wireless links, such as General Packet Radio Service (GPRS), because unnecessary transmissions waste already limited radio bandwidth, battery power at the mobile terminal and incurs monetary cost due to charging by data volume. The paper first describes a GRPS model, then discusses how to eliminate the redundant packets in GPRS network and presents the simulation results in Network Simulation 2 (NS 2). The more traffic is, the more the network can benefit. In heavy traffic, it can even get more than 30% improvement in throughput. Average delay and loss percent are also lowered.

Key words

GPRS TCP Redundancy Elimination Network Simulation 2 (NS 2) 

CLC number

TU375 

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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Qiu Qin-long 
    • 1
  • Zhang Dong-mei 
    • 2
  • Ma Jian 
    • 2
  • Zhang Da-jiang 
    • 2
  1. 1.National Key Lab of Switching Technology and Telecommunication NetworkBeijing University of Posts & TelecommunicationsBeijingChina
  2. 2.Nokia Research CentreBeijingChina

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