Intelligent MBWIMA/UMTS Protocol Using SDMA Scheduling in UTRA TDD Mode

  • Authors:
  • Jeich Mar;Chih-Yang Kao

  • Affiliations:
  • Department of Communications Engineering, Yuan-Ze University, Taiwan, R.O.C.;Department of Communications Engineering, Yuan-Ze University, Taiwan, R.O.C.

  • Venue:
  • Wireless Personal Communications: An International Journal
  • Year:
  • 2006

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Abstract

The intelligent medium access control (MAC) protocol based on cascade fuzzy logic control (CFLC) using the first-duplicated space division multiple access (SDMA) scheduling for UTRA TDD mode is presented in this paper. Voice, data and video are integrated for transmission using CFLC-based movable boundary wireless multiple access in the UMTS (MBWIMA/UMTS) protocol. The CFLC-based MBWIMA/UMTS protocol performance with data rate control is optimized using the CFLC to generate the proper maximum number of voice/video slots and a suitable data rate. The first-duplicated SDMA scheduling, which provides the SDMA scheduling management, can increase the wireless mobile system capacity and reduce the voice-video dropping probability. The simulation results demonstrate that the CFLC-based MBWIMA/UMTS protocol using the first-duplicated SDMA scheduling can greatly improve both the voice-video dropping probability and data packet delay, compared with the MBWIMA/UMTS and GPRS/UMTS protocols using the first-duplicated SDMA scheduling at the expense of a small decrease in data packet throughput.