Provision of true VoD services via a broadband wireless networking infrastructure

摘要: The evolution of MPEG-2 compression technique has made possible the communication of full motion video as a type of computer data. However, how to access the video from anywhere at anytime using a band-limited network, while maintaining the Quality-of-Service (QoS) at high levels has become the main research topic in recent years. This paper proposes a broadband wireless network architecture that enables access to full motion video programmes, and also provides fast access to Internet. It describes the system architecture and configuration adopted for the provision of digital MPEG-2 video programmes via a broadband wireless network, using Frequency Hopping Spread Spectrum (FHSS) technology in the ISM frequency band. It elaborates on the provided picture quality and evaluates the system’s Quality-of-Service (QoS) in a multi-client environment.