Research on multimedia transmission of mobile learning based on wireless network

Authors:
Zhijun Yang;Dongfeng Zhao
Affiliations:
Department of Communication Engineering, Yunnan University, Kunming, China;Department of Communication Engineering, Yunnan University, Kunming, China
Venue:
Edutainment'06 Proceedings of the First international conference on Technologies for E-Learning and Digital Entertainment
Year:
2006

Citing 2
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Abstract

Wireless Local Area Network(WLAN) technology has been developed rapidly and impacted education greatly. Mobile learning(M-learning) is the trend of the modern education. The Mobile learning has a high requirement of multimedia applications on limited bandwidth network, but the transmission of voice and video becomes a bottleneck. Based on the polling scheme used in medium access control(MAC) protocols in IEEE 802.11 for WLAN, especially for delay sensitive multimedia information packet delivery, this paper focuses on improving the efficiency of polling scheme to satisfy the quality of service requirements. A new scheme model of polling system is analyzed and the information packet waiting time of voice and video is obtained. Through theoretic calculations and experiments based on voice and video traffic models it proves to be an efficient way of serving the M-learning.