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- W3140109847 abstract "This paper describes the challenges that Fujitsu is taking up in wireless communications and reviews Fujitsu’s development history in the first, second, and third generation of cellular systems. Fujitsu is a total-system vendor of services, information, networks, and devices that derives its strength through inter-division collaboration. At the advent of 3G, Fujitsu established itself as a total-system vendor of mobile communications and started to deliver the major 3G components, for example, handsets, base transceiver stations (BTSs), radio node controllers, multimedia processing equipment, and multimedia mobile switches, to its customers. Through the development of this equipment, many technological breakthroughs have been made. Fujitsu has developed a W-CDMA power amplifier that has the highest efficiency in the world. This achievement is a testament to Fujitsu’s expertise in semiconductor fabrication, digital signal processing, equipment technologies, and many other technologies. This paper also looks at the speed and complexity of digital signal processing that will need to be achieved and the trends of software defined radio (SDR), which along with the expected progress in semiconductor fine-process technology will determine the specifications for the next-generation mobile system. Finally, this paper describes the future network with which a ubiquitous communication society will be realized." @default.
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- W3140109847 date "2003-01-01" @default.
- W3140109847 modified "2023-09-26" @default.
- W3140109847 title "Fujitsu’s Challenges in Wireless Communications" @default.
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