Delay analysis of packet scheduling with multi-users diversity in wireless CDMA systems

Sung Kyung Kim, Chung Gu Kang

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

There have been a number of studies that investigate efficient packet scheduling schemes to support quality of service of multiple real-time data users and to increase capacity of non-real-time users sharing a wireless channel. We consider the problem of scheduling transmissions of multiple data users sharing the same wireless channel so as to satisfy delay or throughput and present a general packet scheduling, called MBCS (Multi-users Best Channel Scheduling) which takes advantage of the multi-user diversity of a mobile wireless system. In this paper, a queuing model that represents radio resource management for supporting packet data services is developed for the purpose of evaluating the performance of wireless CDMA systems. Numerical results show that delay performance of the proposed scheduler is higher than that of the Single-user Best Channel Scheduler (SBCS) depending on the time-varying channel status.

Original languageEnglish
Pages (from-to)235-241
Number of pages7
JournalWireless Networks
Volume11
Issue number3
DOIs
Publication statusPublished - 2005 May

Keywords

  • CDMA
  • Channel condition
  • Multi-users diversity
  • Packet scheduling

ASJC Scopus subject areas

  • Information Systems
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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