4/5/6 L-D1 DIGITAL MICROWAVE RADIO SYSTEM.

被引：0
|
作者：
YAMAMOTO, HEIICHI
MORITA, KOZO
机构：
来源：
| 1982年 / V 30卷 / N 5期
关键词：
RADIO SYSTEMS - MICROWAVES;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A NOVEL LONG-HAUL DIGITAL MICROWAVE SYSTEM WHICH HAS 200 MB/S TRANSMISSION CAPACITY WITHIN THE 40 MHZ INTERLEAVED CHANNEL ALLOCATION, HAS BEEN DEVELOPED. CONSIDERING COMPATIBILITYWITH EXISTING FM SYSTEMS, REPEATER SPACING FOR THE SYSTEM IS DESIGNED TO BE ABOUT 50 KM. THE 5 B/S/HZ RF SPECTRAL EFFICIENCY IS ACHIEVED OWING TO THE 16 QAM MODULATION AND NYQUISTCOSINE ROLL-OFF SPECTRAL SHAPING TECHNIQUES.
引用
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页码：836 / 845
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