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Experiments in Composing Proxy Audio Services for Mobile Users

  • Philip K. McKinley
  • Udiyan I. Padmanabhan
  • Nandagopal Ancha
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2218)

Abstract

This paper describes an experimental study in the use of a composable proxy framework to improve the quality of interactive audio streams delivered to mobile hosts. Two forward error correction (FEC) proxylets are developed, one using block erasure codes, and the other using the GSM 06.10 encoding algorithm. Separately, each type of FEC improves the ability of the audio stream to tolerate errors in a wireless LAN environment. When composed in a single proxy, however, they cooperate to correct additional types of burst errors. Results are presented from a performance study conducted on a mobile computing testbed.

Keywords

Mobile User Mobile Host Forward Error Correction Packet Loss Rate Proxy Service 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© IFIP International Federation for Information Processing 2001

Authors and Affiliations

  • Philip K. McKinley
    • 1
  • Udiyan I. Padmanabhan
    • 1
  • Nandagopal Ancha
    • 1
  1. 1.Software Engineering and Network Systems Laboratory, Department of Computer Science and EngineeringMichigan State UniversityEast LansingUSA

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