Evolution towards broadband wireless systems

被引：0
|
作者：
Adachi, F [1 ]
机构：
[1] Tohoku Univ, Dept Elect & Commun Engn, Sendai, Miyagi, Japan
来源：
5TH INTERNATIONAL SYMPOSIUM ON WIRELESS PERSONAL MULTIMEDIA COMMUNICATIONS, VOLS 1-3, PROCEEDINGS | 2002年
关键词：
broadband; wireless; cellular; wireless LAN;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Convergence of wireless communications, computing and Internet is on the way. This will be the driving force towards a wireless multimedia society. In this paper, we will overview today's standards of 3G cellular and wireless LAN systems. There are two trends complementing each other: enhancing the cellular technology (3G WCDMA, cdma2000, etc) and enhancing the wireless LAN technology (HiperLAN, IEEE802.11, HiSWAN, etc). More or less, these two technologies have been evolving independently, but now, coordination between these two have been considered viable to realize broadband communication era. Recently, discussions on 4(th) generation (4G) wireless systems have been intensified. We will foresee how wireless systems will evolve into global 4G wireless systems. In global 4G wireless, cellular and wireless LAN systems architectures may become closer and will work together via IP core network. Difference between them may be that the former offers seamless handoff for real-time services but the latter offers seamless roaming for nomadic services, focusing on very high-speed data communications close to 1Gbps.
引用
收藏
页码：19 / 26
页数：8
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