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Adaptive Mobile Multimedia Networks


The authors consider a networking environment in which the users are mobile, the topology changes, code division multiple access (CDMA) provides multiple wireless channels, the bandwidth of a given link is unpredictable and possibly very low, the error rates are extremely high and variable, major interference occurs when multiple transmissions take place over (possibly different) links on the same or different codes, real-time multimedia traffic must be supported as well as datagram traffic, there is no stable communication infrastructure, and there is no central control. They consider the problem of developing a design prototyping methodology, performance evaluation techniques, and networking algorithms to support a rapidly deployable radio network for such an environment. The network must be capable of providing guaranteed quality of service (QoS) to real-time multimedia traffic in a mobile, wireless, multihop radio network with no fixed infrastructure (e.g., no base stations). Another element of the environment with which they deal is that of multihop communications. They focus on two layers of key importance in multimedia wireless network design, namely compression algorithms and adaptivity in the voice/video applications layer, and network algorithms at the wireless subnet layer. Simulation tools are used to evaluate our design as well as to provide a path toward their implementation in software

Paper: PDF file of paper

Information & Date

IEEE Personal Communications Magazine April 1996, pp. 7-22., , April. 1996


Abeer Alwin
Rajive Bagrodia
N. Bambos
Mario Gerla
Len Kleinrock
Joel Short
John Villasenor