Multicluster, mobile, multimedia radio network

Multicluster, mobile, multimedia radio network

1995 | Mario Gerla and Jack Tzu-Chieh Tsai
The paper presents a multi-cluster, multi-hop packet radio network architecture designed for wireless adaptive mobile information systems (WAMIS). This architecture supports multimedia traffic and employs both time division and code division access schemes. Unlike conventional cellular systems, it does not rely on a wired infrastructure, allowing for instant deployment in areas without existing infrastructure. The network uses a distributed clustering algorithm to organize nodes into clusters, with clusterheads acting as local coordinators for channel scheduling, power control, time division frame synchronization, and spatial reuse of time slots and codes. The architecture also supports virtual circuits to ensure bandwidth for real-time traffic and can handle mobility. Simulation experiments evaluate the performance of the proposed scheme in both static and mobile environments. The paper discusses the challenges of current wireless systems and introduces SS-CDMA to enable flexible spectrum sharing and combat interference. It outlines the key features of the multi-cluster network, including node clustering, virtual circuit setup, and channel access control, and presents two distributed clustering algorithms: the lowest-ID and highest-connectivity algorithms.The paper presents a multi-cluster, multi-hop packet radio network architecture designed for wireless adaptive mobile information systems (WAMIS). This architecture supports multimedia traffic and employs both time division and code division access schemes. Unlike conventional cellular systems, it does not rely on a wired infrastructure, allowing for instant deployment in areas without existing infrastructure. The network uses a distributed clustering algorithm to organize nodes into clusters, with clusterheads acting as local coordinators for channel scheduling, power control, time division frame synchronization, and spatial reuse of time slots and codes. The architecture also supports virtual circuits to ensure bandwidth for real-time traffic and can handle mobility. Simulation experiments evaluate the performance of the proposed scheme in both static and mobile environments. The paper discusses the challenges of current wireless systems and introduces SS-CDMA to enable flexible spectrum sharing and combat interference. It outlines the key features of the multi-cluster network, including node clustering, virtual circuit setup, and channel access control, and presents two distributed clustering algorithms: the lowest-ID and highest-connectivity algorithms.
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