表面声波相关器中采用正交频率编码的通信系统的误码率分析

2016 2nd International Conference on Next Generation Computing Technologies (NGCT) Pub Date : 2016-10-01 DOI:10.1109/NGCT.2016.7877443

R. Gedela, H. Nemade, R. Bhattacharjee

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引用次数: 0

摘要

正交频率编码通常用于基于表面声波(SAW)的系统。本文对通信系统中采用开关键控的正交频率编码技术进行了理论分析。阐述了在多用户环境中遇到的干扰，并提出了一种使干扰最小化的编码选择准则。推导了考虑多址干扰的加性高斯白噪声信道误码率的解析表达式。通过仿真研究了不同长度正交频码(OFC)的误码率性能，结果与理论基本一致。

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BER analysis of communication systems employing orthogonal frequency coding in surface acoustic wave (SAW) correlators

Orthogonal frequency coding is often used for surface acoustic wave (SAW) based systems. This paper presents the theoretical analysis of orthogonal frequency coding technique used with on-off keying in communications systems. The interference encountered in multiuser environment is formulated and a code selection criterion for minimizing the interference is proposed. The analytical expression for bit error rate (BER) is derived for an additive white Gaussian noise channel considering multiple access interference. BER performance for different lengths of orthogonal frequency code (OFC) has been studied through simulations and the results are in good agreement with the theory.

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2016 2nd International Conference on Next Generation Computing Technologies (NGCT)

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