Ubiquitous multimedia service provisioning over heterogeneous wireless networks in a diverse mobility landscape

本研究将探讨在不同移动环境下，透过无线网路提供高品质多媒体服务。通过使用各种无线技术，服务交付将无处不在（即，随时随地）。近年来，无线网络不断发展，提供了多种接入选择。下一代无线网络被设想为异构的，集成了多个宽带无线接入，并提供“始终最佳的连接”。尽管手机运营商在提供多媒体服务方面做出了一些初步努力，但它们仍处于萌芽阶段，远未实现盈利。在这个项目中，我们将开发一系列技术来促进异构无线网络上的多媒体通信。它将有效应对恶劣无线环境中出现的新挑战，如高移动性和容易出错的传输。有限的网络带宽将被智能地分配给移动用户，以实现高性价比、高质量的多媒体服务。

This proposed research will investigate the delivery of high-quality multimedia services over wireless networks in a diverse mobility landscape. The service delivery will be enabled ubiquitous (i.e., anywhere and anytime) by using diverse wireless technologies. In recent years, wireless networks have been proliferating and offering a variety of access choices. Next-generation wireless networks are envisioned to be heterogeneous, integrating multiple broadband wireless accesses and providing "always best connectivity." Although there are some initial efforts by cellular carriers to provide multimedia services, they are still embryonic and far from profitable. In this project, we will develop a spectrum of techniques to facilitate multimedia communications over heterogeneous wireless networks. It will effectively address emerging new challenges in hostile wireless environments such as high mobility and error-prone transmissions. The limited network bandwidth will be intelligently allocated to mobile users to enable cost-effective multimedia services with a satisfactory quality.