Simulation study of AAL type 2 |
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Authors: | Han Manyoo Nilsson Arne A |
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Affiliation: | (1) Center for Advanced Computing and Communication, Department of Electrical and Computer Engineering, North Carolina State University, Box 7914, Raleigh, NC 27695-7914, USA |
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Abstract: | Cellular network applications are growing drastically and this requires a fast and efficient transport method between the
base station and the mobile switching center. One possible solution is to use ATM links. The low data rate and small-sized
packets in the typical cellular applications imply that significant amount of link bandwidth would be wasted, if this small
sized packet is carried by one ATM cell. For efficient operation for such cellular and low bit rate applications, a new type
of ATM Adaptation Layer, AAL type 2, has been proposed. In this paper, the principles of AAL type 2 are briefly described
along with the introduction of other alternatives which have formed the basis for this new AAL. The result from the simulation
to study the performance of the AAL type 2 is discussed from the point of a packet delay and ATM cell use efficiency. Due
to the variable sizes of packets in this application, the fairness issue in serving variable sized packets is also discussed
along with the effect of the fair queueing algorithm implemented at AAL type 2.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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