Performance Analysis of Different PN Sequence and Orthogonal Spreading Sequences in DS-SS

被引：0
|
作者：
Gupta, Ashutosh [1 ]
Bhaskar, Lala [1 ]
Kumar, Pradeep [1 ]
Gautam, Jimmy [1 ]
机构：
[1] Amity Sch Engn & Technol, Dept ECE, Noida, India
来源：
2014 5TH INTERNATIONAL CONFERENCE CONFLUENCE THE NEXT GENERATION INFORMATION TECHNOLOGY SUMMIT (CONFLUENCE) | 2014年
关键词：
Pseudo-noise codes; orthogonal codes; DS-SS; auto-correlation; cross-correlation; QPSK;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Pseudo-Random or pseudo-noise and Orthogonal Spreading sequences are widely used in the Wideband Code Division Multiple Access (WCDMA) systems using Rake receiver. This paper shows the practical aspect for direct sequences DSCDMA and also the orthogonal codes are discussed. This paper compares the execution results of the direct sequence spread spectrum-baseband QPSK modulation with various types of short codes: Barker, Hadamard, Kasami, by measuring the BER (Pe) by using autocorrelation and cross correlation functions. The simulation results shows the system using Barker code is the best system with probability of error (Pe) for Barker code is 4.9 x10 (-4) at 10 dB signal-to-noise ratio (SNR) after comparing with other codes.
引用
收藏
页码：890 / 892
页数：3
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