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Algorithm of GTS Time Slots Allocation Based on Weighted Fair Queuing in Environments of WBAN

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2011, 16(11), pp.45-56
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science

김경목 1 정원수 2

1삼육보건대학
2계원디자인예술대학

Accredited

ABSTRACT

WBAN is short range wireless communication technology which is consists of several small devices close to, attached to or implanted into the human body. WBAN is classified into between medical and non-medical by applications based on technology and medical data with periodic characteristics is used the GTS method for transmitting data to guarantee the QoS. In this paper we proposed algorithm that resolve lack of GTSs while data transmit GTS method in superframe structure of WBAN. Coordinator dynamically allocates GTSs according to the data rate of devices and make devices share GTSs when lack of GTSs. We compared delay bounds, throughput for performance evaluation of the proposed algorithm. In other words, we proposed algorithm adaptive WFQ scheduling that GTS allocation support differential data rate in environments of WBAN. The experiment results show the throughput increased and the maximum delay decreased compared with Round Robin scheduling.

Citation status

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