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A New ATM Adaptation Layer for Time-Critical Traffic over Wireless ATM Networks
IEICE TRANSACTIONS on Communications
Publication Date: 2004/08/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
wireless ATM, AAL-UDP, packet discard, sequence number, header repetition, cell error rate,
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This letter describes the design and performance of a new ATM Adaptation Layer (AAL-UDP) for time-critical traffic over wireless ATM networks. The key ideas in the design consist of no discard at the AAL level and header protection with sequence number mechanism. The UDP/IP header is repeated for reliability, because it contains the most important information such as address and port number. The simulation results show that the AAL-UDP provides significant improvement in throughput as well as in application-level performance compared to the conventional AAL 5 case.