|Asynchronous transfer mode on wireless communication
|Wireless communication systems
Asynchronous transfer mode
Hong Kong Polytechnic University -- Dissertations
|1 v. (various pagings) : ill. ; 30 cm
|This dissertation studies various problems of Asynchronous Transfer Mode (ATM) on wireless communication. Simulation has been performed on two main areas : a point-to-point wireless link and a mobile wireless ATM network. A simple point to point wireless link carrying ATM traffic has been analyzed to visualize the general problems in physical layer and data link layer. The effect of statistical multiplexing, buffer allocation and flow control has been evaluated numerically through simulation. The application of ATM transmission in mobile network is also discussed, of which a TDMA system is proposed. The dynamic time slot allocation is decided by the base station based on the class of service and then the queue length in the transmit buffer of the mobile terminals. By accessing the contention period in each frame in slotted ALOHA mode, each mobile terminal can raise the transmit request to the base station. Simulation has been performed to evaluate the Media Access Control (MAC) layer efficiency based on different parameters on input traffic and time slot allocation scheme in an arbitrary 10 Mbit/s bandwidth. The numerical results show that such a TDMA system can effectively handle highly bursty traffic with insignificant cell loss up to 79 % of system loading.
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