OFDM based high-speed wireless access for Internet applications

被引：0
|
作者：
Chuang, JCI [1 ]
Li, Y [1 ]
Sollenberger, NR [1 ]
Lin, L [1 ]
机构：
[1] AT&T Labs Res, Red Bank, NJ 07701 USA
来源：
PIMRC 2000: 11TH IEEE INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, VOLS 1 AND 2, PROCEEDINGS | 2000年
关键词：
OFDM; channel estimation; ML decoding; Interference suppression; Internet wireless data services;
D O I：
暂无
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：
In this paper, we present physical and MAC layer techniques for high-speed wireless access to the Internet based on OFDM. Using dynamic packet assignment (DPA) for interference avoidance based on two examples of resource definition with different time and frequency units, we demonstrate that OFDM has significant flexibility to provide high transmission rates on demand with different available bandwidths. Innovations in radio link design, such as joint channel estimation and maximum likelihood decoding as well as interference suppression can be readily applied to coded OFDM systems. Significant performance gain in packet data throughput is realized in a system with aggressive frequency reuse.
引用
收藏
页码：797 / 803
页数：7
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