Abstract
Using the MPEG-4 Advanced Audio Coder (AAC) music as an example, we investigate the improvement of error performance for the streaming service by link-adaptation and power-control techniques in an Enhanced General Packet Radio Services (EGPRS) cellular network. In particular, we study the effects of a combined link adaptation and power control scheme (referred to as the error-based scheme) for achieving a target error rate, which is non-zero but low enough so that error concealment techniques can be effective. By simulation, we compare the error performance of the error-based scheme at both the EGPRS block and AAC frame level with another adaptation algorithm with a goal of maximizing overall network throughput (referred to as the throughput-based scheme). Our results reveal that when offered with similar traffic load, the former scheme can provide noticeable improvement of music quality over the throughput-based scheme. To achieve similar AAC frame error rate, our results also show that the error-based scheme can increase the link throughput over the throughput-based scheme by 66.7% in one of our examples. These results reveal that link adaptation and power control to achieve required error targets are helpful in improving quality and capacity for streaming data applications.
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© 2000 Springer Science+Business Media New York
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Leung, K.K., Driessen, P.F., Chawla, K., Qiu, X. (2000). Performance Improvement for Streaming Services by Link Adaptation & Power Control in EGPRS Wireless Networks. In: Stüber, G., Jabbari, B. (eds) Multiaccess, Mobility and Teletraffic in Wireless Communications: Volume 5. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-5916-7_18
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DOI: https://doi.org/10.1007/978-1-4757-5916-7_18
Publisher Name: Springer, Boston, MA
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