AAL2分组话音复接器缓冲器队列容量的确定方法

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Abstract This paper studies the ways to determine the buffer size of the AAL2 packet voice multiplexer with bit dropping. A conclusion is drawn that the buffer size which corresponds to the delay budget of 9 millisecond is sufficient to meet the quality of service requirements of AAL2 packet voice. An algorithm for determining the buffer size and the bit dropping thresholds is also presented with relevant computation formula. The computer simulation results show that the algorithm presented here is good for determining the buffer size and the bit dropping thresholds with small packet loss probability, low packet delay and high mean bits per sample and can greatly improve the buffer efficiency.

Key words： Packet voice Asynchronous transfer mode ATM adaptation layer type 2 Bit dropping

Received: 06 April 2000

PACS:

TN916.1

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	Wei Lijun
	Liu Zengji

Cite this article:

Wei Lijun,Liu Zengji. Study on the buffer size of AAL2 packet voice multiplexer[J]. , 2002, 24(1): 125-130 .

URL:

http://jeit.ie.ac.cn/EN/ OR http://jeit.ie.ac.cn/EN/Y2002/V24/I1/125