A Cross-layer Approach for TCP Optimization over Wireless and Mobile Networks

Myungjin Lee, Moonsoo Kang, Myungchul Kim, Jeonghoon Mo

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

We propose a path recovery notification (TCP-PRN) mechanism to prevent performance degradation during a handoff. Even though Freeze-TCP achieves a performance increase during handoff, detecting accurate handoff time and the vulnerability of high variation in the round trip time (RTT) become obstacles for deploying Freeze-TCP in a real environment. The proposed protocol, TCP-PRN, quickly recovers lost packets by restoring the congestion window, preventing the congestion window to decrease, or immediately initiating the slow start algorithm. The simulation results of our study show better performance in a more realistic environment where the handoff prediction is difficult and the variation of RTT is higher.
Original languageEnglish
Pages (from-to)2669-2675
Number of pages7
JournalComputer Communications
Issue number11
Publication statusPublished - 15 Jul 2008

Keywords / Materials (for Non-textual outputs)

  • Cross-layer design, Handoff, Mobile IP, Mobile network, Wireless TCP


Dive into the research topics of 'A Cross-layer Approach for TCP Optimization over Wireless and Mobile Networks'. Together they form a unique fingerprint.

Cite this