OFDM for Wireless Multimedia Communications
OFDM for Wireless Multimedia Communications
WCDMA: Towards IP Mobility and Mobile Internet
WCDMA: Towards IP Mobility and Mobile Internet
WLAN Systems and Wireless IP for Next Generation Communications
WLAN Systems and Wireless IP for Next Generation Communications
Wireless Personal Communications: An International Journal
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The business cases for the emerging Universal Mobile Terrestrial System (UMTS) networks can only be fulfilled if the present voice revenues are expanded by another similar revenue stream, from a group of services called ``non voice'' or ``data services'', often interpreted by experts as Streaming Video Services (SVS). The Japanese i-mode and the Philippines' success with SMS based services, demonstrates it is possible, but it is also a question of different cultures.The widespread interest world wide in introducing General Packet Radio System (GPRS), reflects mobile operators strong interest in understanding two basic questions: What are user needs for services, expressed in terms of services- and derived technical specifications? In this paper we will try to answer these questions based on lessons that can be learnt from i-mode.