Six-Port Gigabit Demodulator

被引：50
|
作者：
Osth, Joakim [1 ]
Serban, Adriana [1 ]
Owais [1 ]
Karlsson, Magnus [1 ]
Gong, Shaofang [1 ]
Haartsen, Jaap [2 ]
Karlsson, Peter [2 ]
机构：
[1] Linkoping Univ, Dept Sci & Technol ITN, S-60174 Norrkoping, Sweden
[2] Sony Ericsson Mobile Commun AB, S-22188 Lund, Sweden
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2011年 / 59卷 / 01期
关键词：
Demodulator; six-port correlator; DIRECT CONVERSION RECEIVER; DIRECT DIGITAL RECEIVER;
D O I：
10.1109/TMTT.2010.2091198
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：
This paper presents measurement results for a six-port-based demodulator designed for a center frequency of 7.5 GHz and with a bandwidth of 1 GHz for operation in the ultra-wideband band. The demodulator includes the six-port correlator, diodes, and amplifiers needed to recover the baseband data. Measurement results show that the prototype supports data rates at 1.7 Gbit/s with bit-error rate 5 . 10(-5) if a two-tap linear equalizer is used and bit-error rate 4 . 10(-3) if only threshold detection is used. The measured performance of the used six-port correlator including the amplifiers is presented and their influence on the overall system performance is discussed. Limitations in the present system and possible improvements are also considered.
引用
收藏
页码：125 / 131
页数：7
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