Rate adaptation for bursty data transmission in CDMA networks

Ming Hu, Junshan Zhang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

We study rate adaptation for the uplink of CDMA networks with many ON/OFF data users. We propose a novel multi-access interference (MAI) model that takes into account simultaneously the burstiness of data traffic and time-varying fading. We characterize the MAI from a stochastic process perspective. Our finding reveals that the MAI exhibits scale-invariant burstiness and is self-similar. The self-similarity implies the long range dependence of MAI and hence a predictive MAI structure at coarse time scales, which can be exploited for interference management. Built on this finding, we devise a multiple time-scale MAI predictor, and explore it for rate adaptation, which utilizes variable sprading gain and adaptive coding. Simulation results show that significant throughput gain can be achieved using our rate adaptation scheme. We also investigate the impact of feedback delay, heavy-tailedness, and fading on the system performance.

Original languageEnglish (US)
Title of host publicationConference Record of the Asilomar Conference on Signals, Systems and Computers
EditorsM.B. Matthews
Pages1718-1722
Number of pages5
Volume2
StatePublished - 2001
Event35th Asilomar Conference on Signals, Systems and Computers - Pacific Grove, CA, United States
Duration: Nov 4 2001Nov 7 2001

Other

Other35th Asilomar Conference on Signals, Systems and Computers
CountryUnited States
CityPacific Grove, CA
Period11/4/0111/7/01

Fingerprint

Random processes
Data communication systems
Code division multiple access
Throughput
Feedback

ASJC Scopus subject areas

  • Hardware and Architecture
  • Signal Processing
  • Electrical and Electronic Engineering

Cite this

Hu, M., & Zhang, J. (2001). Rate adaptation for bursty data transmission in CDMA networks. In M. B. Matthews (Ed.), Conference Record of the Asilomar Conference on Signals, Systems and Computers (Vol. 2, pp. 1718-1722)

Rate adaptation for bursty data transmission in CDMA networks. / Hu, Ming; Zhang, Junshan.

Conference Record of the Asilomar Conference on Signals, Systems and Computers. ed. / M.B. Matthews. Vol. 2 2001. p. 1718-1722.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hu, M & Zhang, J 2001, Rate adaptation for bursty data transmission in CDMA networks. in MB Matthews (ed.), Conference Record of the Asilomar Conference on Signals, Systems and Computers. vol. 2, pp. 1718-1722, 35th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, United States, 11/4/01.
Hu M, Zhang J. Rate adaptation for bursty data transmission in CDMA networks. In Matthews MB, editor, Conference Record of the Asilomar Conference on Signals, Systems and Computers. Vol. 2. 2001. p. 1718-1722
Hu, Ming ; Zhang, Junshan. / Rate adaptation for bursty data transmission in CDMA networks. Conference Record of the Asilomar Conference on Signals, Systems and Computers. editor / M.B. Matthews. Vol. 2 2001. pp. 1718-1722
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