Nowadays, there are a host of demands on the Internet applications (IP based multimedia applications) coming into people’s life. How to access the Internet and get these application services more quickly and better becomes gradually critical for people to meet their demands. Howe
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Nowadays, there are a host of demands on the Internet applications (IP based multimedia applications) coming into people’s life. How to access the Internet and get these application services more quickly and better becomes gradually critical for people to meet their demands. However, the existed two technologies: the third generation (3G) cellular mobile networks and the wireless ad-hoc networks technology have big distinctions, which can meet different parts of people’s demands. For the 3G cellular networks technology, the familiar one is Universal Mobile Telecommunications System (UMTS) and its enhanced version High Speed Downlink Packet Access (HSDPA) offering up to 14.4Mbit/s peak data rate. However, the two communication techniques mentioned above have their own characters. The former can only provide a relative lower data rate though can support a broad coverage range, whereas the latter can only support a limited communication distance but own a relative higher bit rate. In order to explore their own advantages of these two networks techniques, the HSDPA cellular and the wireless ad-hoc integrated networks model has been developed in the Network Simulator (ns-2). (...)