Supporting real-time IP multimedia services in UMTS

被引:17
|
作者
Wong, KD [1 ]
Varma, VK [1 ]
机构
[1] Telcordia Technol, Wireless Syst Dept, Red Bank, NJ USA
关键词
D O I
10.1109/MCOM.2003.1244935
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
UNITS, the successor of GSM, is evolving toward a future wireless all-IP network. In this article we explain how it will support real-time IP multimedia services, as these services are expected to drive the adoption of wireless all-IP networks. We not only focus on the centerpiece of IP multimedia support, the IP multimedia subsystem, but also include the GPRS transport capabilities and OSA middleware capabilities. This helps to explain how the IMS fits in with, and builds upon, other pieces of the UMTS network. We analyze the pros and cons of providing IP multimedia session control capabilities as opposed to just providing basic IP connectivity, and highlight selected features of the IMS design for discussion.
引用
收藏
页码:148 / 155
页数:8
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