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Packet reservation multiple access for multimedia traffic

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2 Author(s)
Kanjanavapastit, A. ; Dept. of Telecommun. Eng., Mahanakorn Univ. of Technol., Bangkok, Thailand ; Mehrpour, H.

Packet reservation multiple access (PRMA) was designed to support only voice and data traffic. To investigate the performance of PRMA for video transmission, a modified version of PRMA needs to be considered. A modification to the PRMA protocol proposed to support video traffic was investigated using computer simulation. A real video trace file from H.261 codec was used as video traffic for simplification and accuracy in the simulation study. The results show that the modified scheme for supporting H.261 video traffic could provide acceptable quality-of-service at a given number of video terminals in the system. Furthermore, the modified PRMA could support simultaneously 28 voice terminals operating at 32 kbps, 28 data terminals generating data packets at a rate of 1200 bps, and one H.261 video terminal at the mean bit rate of 64 kbps, at the channel rate of 720 kbps in the system.

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Networks, 2002. ICON 2002. 10th IEEE International Conference on

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