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Microcellular personal multimedia communications system with connectionless communication capability

Microcellular personal multimedia communications system with connectionless communication capability,10.1109/VETEC.1997.605903,Shigeaki Ogose,Eisuke K

Microcellular personal multimedia communications system with connectionless communication capability  
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IMT-2000/FPLMTS are, as third generation land mobile radio communication systems, under study in ITU-R. These systems should provide multimedia signal transmission services such as voice, image, video, and data. Systems based on CDMA are among the most promising candidates. A wideband DS-CDMA method with a two-layer structure for microcell layouts has been proposed (Ogose et al. 1996). This paper describes a personal multimedia communication system based on wideband DS-CDMA that combines the capabilities of circuit switched signal transmission and non-circuit connection packet switched signal transmission. The former signal is connected to PSTN/ISDN, while the latter one is connected to a computer network such as the open computer network (OCN). In this paper, we call these types of transmission connection operation and connectionless operation, respectively. The system concept is given first. Technical requirements on the system from the viewpoints of network architecture and the air-interface are then given. We also describe the system capacity and required bandwidth by computer simulation
Conference: Vehicular Technology, IEEE Conference - VTC -Spring , vol. 3, pp. 1972-1976 vol.3, 1997
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