Presentation 1999/7/23
A Study on Adaptive Access Control Scheme using Reservation TDMA-based Adaptive Modulation System for Wireless Multimedia Communication Systems
Kazumi WATANABE, Seiichi SAMPEI, Norihiko MORINAGA,
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Abstract(in English) This paper proposes a message delay measurement-based adaptive access control scheme using a reservation TDMA/adaptive modulation system for multimedia communication systems. In the proposed system, voice and long data are transmitted by the reservation TDMA protocol, whereas the short message is transmitted by the slotted ALOHA protocol using unused slots or temporarily released slots produced by the voice activation technique. To further increase the released slots, the proposed system also applies an adaptive modulation technique. To dynamically and effectively distinguish long and short data before transmission, this paper employs a message delay measurement based adaptive access control scheme that autonomously controls a threshold that decides whether a message is long or short. Computer simulation confirms that the proposed scheme is very effective in improving average delay Performance of the data terminals without degrading channel capacity for voice terminals.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) adaptive modulation / reservation TDMA / access control
Paper # SSE99-49
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Committee SSE
Conference Date 1999/7/23(1days)
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Registration To Switching Systems Engineering (SSE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Study on Adaptive Access Control Scheme using Reservation TDMA-based Adaptive Modulation System for Wireless Multimedia Communication Systems
Sub Title (in English)
Keyword(1) adaptive modulation
Keyword(2) reservation TDMA
Keyword(3) access control
1st Author's Name Kazumi WATANABE
1st Author's Affiliation Graduate School of Engineering, Osaka University()
2nd Author's Name Seiichi SAMPEI
2nd Author's Affiliation Graduate School of Engineering, Osaka University
3rd Author's Name Norihiko MORINAGA
3rd Author's Affiliation Graduate School of Engineering, Osaka University
Date 1999/7/23
Paper # SSE99-49
Volume (vol) vol.99
Number (no) 218
Page pp.pp.-
#Pages 6
Date of Issue