Discrete-rate adaptation schemes in multi-channel systems with finite-length buffer

Sang Do Lee, Jeong Jae Won, Ki Hong Park, Young-Chai Ko

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

Abstract

Assuming a single-user multi-channel system, we study the performance of joint adaptive modulation and finitelength buffer. For higher spectral efficiency and more efficient usage of channel resources, we introduce hybrid schemes using discrete-rate adaptation jointly with discrete-power adaptation and selection-diversity. To analyze the queuing operation, we characterize the channel state of each scheme and derive the transition probability of the queue state and its stationary distribution. Furthermore, we investigate the system performance, in terms of the spectral efficiency, the packet dropping rate and the average delay. Numerical results show that hybrid scheme offers noticeable performance gain over the conventional adaptive modulation.

Original languageEnglish
Title of host publicationICT 2010: 2010 17th International Conference on Telecommunications
Pages171-176
Number of pages6
DOIs
Publication statusPublished - 2010 Jul 19
Event2010 17th International Conference on Telecommunications, ICT 2010 - Doha, Qatar
Duration: 2010 Apr 42010 Apr 7

Other

Other2010 17th International Conference on Telecommunications, ICT 2010
CountryQatar
CityDoha
Period10/4/410/4/7

Fingerprint

Adaptive modulation

Keywords

  • Discrete-rate adaptation
  • Finite state markov chain
  • Joint adaptive modulation and finite-length buffer
  • Multichannel system

ASJC Scopus subject areas

  • Computer Networks and Communications

Cite this

Lee, S. D., Won, J. J., Park, K. H., & Ko, Y-C. (2010). Discrete-rate adaptation schemes in multi-channel systems with finite-length buffer. In ICT 2010: 2010 17th International Conference on Telecommunications (pp. 171-176). [5478644] https://doi.org/10.1109/ICTEL.2010.5478644

Discrete-rate adaptation schemes in multi-channel systems with finite-length buffer. / Lee, Sang Do; Won, Jeong Jae; Park, Ki Hong; Ko, Young-Chai.

ICT 2010: 2010 17th International Conference on Telecommunications. 2010. p. 171-176 5478644.

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

Lee, SD, Won, JJ, Park, KH & Ko, Y-C 2010, Discrete-rate adaptation schemes in multi-channel systems with finite-length buffer. in ICT 2010: 2010 17th International Conference on Telecommunications., 5478644, pp. 171-176, 2010 17th International Conference on Telecommunications, ICT 2010, Doha, Qatar, 10/4/4. https://doi.org/10.1109/ICTEL.2010.5478644
Lee SD, Won JJ, Park KH, Ko Y-C. Discrete-rate adaptation schemes in multi-channel systems with finite-length buffer. In ICT 2010: 2010 17th International Conference on Telecommunications. 2010. p. 171-176. 5478644 https://doi.org/10.1109/ICTEL.2010.5478644
Lee, Sang Do ; Won, Jeong Jae ; Park, Ki Hong ; Ko, Young-Chai. / Discrete-rate adaptation schemes in multi-channel systems with finite-length buffer. ICT 2010: 2010 17th International Conference on Telecommunications. 2010. pp. 171-176
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