MAXIMUM-LIKELIHOOD SYNCHRONIZATION ALGORITHMS FOR Q2PSK

被引：1
|
作者：
ACHA, V
CARRASCO, RA
机构：
[1] Staffordshire Univ, Stafford
来源：
IEE PROCEEDINGS-I COMMUNICATIONS SPEECH AND VISION | 1992年 / 139卷 / 06期
关键词：
DIGITAL COMMUNICATIONS; MODULATION TECHNIQUES; Q2PSK;
D O I：
10.1049/ip-i-2.1992.0080
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 the paper, new maximum-likelihood synchronisation algorithms for quadrature-quadrature phase shift keying (Q2PSK) signals are presented and evaluated. A brief description of the Q2PSK modulation scheme is given. The digital implementation of the algorithms used in the simulation of a constant-envelope Q2PSK modem system and their computational loads are presented. Bit error rate performance of the modem system has been evaluated. Bit-by-bit and symbol-by symbol detection receivers are simulated and evaluated. Phase and timing variances obtained with the new synchronisation procedures have been calculated and are given.
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页码：597 / 606
页数：10
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