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EDGE中8PSK调制的软件实现 被引量:1

Software Actualization of 8PSK Modulation in EDGE
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摘要 EDGE作为GSM增强数据速率演进系统,其关键技术之一是引入具有更高调制速率的8PSK调制。EDGE中8PSK调制不同于一般8PSK调制,它采用的脉冲成型滤波器是对GMSK进行Laurent分解获得的线性GMSK脉冲,且采用硬件电路实现。硬件实现Laurent分解及成型滤波存在电路成本高、灵活性差、精度低、结构复杂等缺点。针对EDGE中硬件实现8PSK的这些缺点,提出一种易于软件实现的数字信号处理算法。该算法利用正交调制实现方式与软件无线电技术,可在通用编程硬件平台上软件实现8PSK调制,具有可移植性、易实现性、成本低等优点,可用于GSM增强数据速率演进系统中。本文网络版地址:http://www.eepw.com.cn/article/170159.
作者 徐兰天
出处 《电子产品世界》 2013年第10期31-33,共3页 Electronic Engineering & Product World
基金 国家科技重大专项(2011ZX03001-003-01)
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