单极码异步DS/CDMA通信性能评价

2011 20th European Conference on Circuit Theory and Design (ECCTD) Pub Date : 2011-10-13 DOI:10.1109/ECCTD.2011.6043626

A. Tsuneda, Takashi Yoshida

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引用次数: 3

摘要

在无线电波CDMA通信中，二进制扩频序列被用作双极码，取+1或- 1。另一方面，在诸如光通信的开关键控调制中，扩频序列被用作取1或0的单极码。本文对采用单极码的异步SIK(序列反转键控)DS/CDMA系统的性能进行了评价，并与采用双极码的普通CDMA系统进行了比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Performance evaluation of asynchronous DS/CDMA communications using unipolar codes

In CDMA communications with radio waves, binary spreading sequences are used as bipolar codes taking +1 or −1. On the other hand, in on-off keying modulation such as optical communications, spreading sequences are used as unipolar codes taking 1 or 0. In this paper, performances of asynchronous SIK (sequence inversion keyed) DS/CDMA systems using unipolar codes are evaluated and compared with normal CDMA systems using bipolar codes.

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2011 20th European Conference on Circuit Theory and Design (ECCTD)

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