@article{(Open Science Index):https://publications.waset.org/pdf/2038, title = {A New Scheme for Improving the Quality of Service in Heterogeneous Wireless Network for Data Stream Sending}, author = {Ebadollah Zohrevandi and Rasoul Roustaei and Omid Moradtalab}, country = {}, institution = {}, abstract = {In this paper, we first consider the quality of service problems in heterogeneous wireless networks for sending the video data, which their problem of being real-time is pronounced. At last, we present a method for ensuring the end-to-end quality of service at application layer level for adaptable sending of the video data at heterogeneous wireless networks. To do this, mechanism in different layers has been used. We have used the stop mechanism, the adaptation mechanism and the graceful degrade at the application layer, the multi-level congestion feedback mechanism in the network layer and connection cutting off decision mechanism in the link layer. At the end, the presented method and the achieved improvement is simulated and presented in the NS-2 software.}, journal = {International Journal of Electronics and Communication Engineering}, volume = {2}, number = {7}, year = {2008}, pages = {1338 - 1343}, ee = {https://publications.waset.org/pdf/2038}, url = {https://publications.waset.org/vol/19}, bibsource = {https://publications.waset.org/}, issn = {eISSN: 1307-6892}, publisher = {World Academy of Science, Engineering and Technology}, index = {Open Science Index 19, 2008}, }