low-power

We address the problem of blind carrier frequency-offset (CFO) estimation in quadrature amplitude mo

We address the problem of blind carrier frequency-offset (CFO) estimation in quadrature amplitude modulation, phase-shift keying, and pulse amplitude modulation communications systems.We study the performance of a standard CFO estimate, which consists of first raising the received signal to the Mth power, where M is an integer depending on the type and size of the symbol constellation, and then applying the nonlinear least squares (NLLS) estimation approach. At low signal-to noise ratio (SNR), the NLLS method fails to provide an accurate CFO estimate because of the presence of outliers. In this letter, we derive an approximate closed-form expression for the outlier probability. This enables us to predict the mean-square error (MSE) on CFO estimation for all SNR values. For a given SNR, the new results also give insight into the minimum number of samples required in the CFO estimation procedure, in order to ensure that the MSE on estimation is not significantly affected by the outliers.

标签： frequency-offset estimation quadrature amplitude

上传时间： 2014-01-22

上传用户：牛布牛
Flash Low Level Driver Code

Flash Low Level Driver Code，can read/write all flash memory

标签： Driver Flash Level Code

上传时间： 2014-01-24

上传用户：libenshu01
Flash MLC Low Level Driver Source Code

Flash MLC Low Level Driver Source Code

标签： Driver Source Flash Level

上传时间： 2013-12-03

上传用户：曹云鹏
Flash 8-bit width memory Low Level Driver Code

Flash 8-bit width memory Low Level Driver Code

标签： Driver memory Flash Level

上传时间： 2016-01-01

上传用户：lunshaomo
flash 16-bit width memory low level driver source code

flash 16-bit width memory low level driver source code

标签： driver memory source flash

上传时间： 2014-01-03

上传用户：gyq
运行本例需要确保您的机器上安装了Power Point 2000以上的版本

运行本例需要确保您的机器上安装了Power Point 2000以上的版本

标签： Power Point 2000 运行

上传时间： 2014-01-25

上传用户：ruixue198909
This document contains a specification for a new low pin count bus interface, dubbed LPC, that will

This document contains a specification for a new low pin count bus interface, dubbed LPC, that will be added to future Intel chip-sets. The target audience for this document are system and component designers.

标签： specification interface document contains

上传时间： 2013-12-22

上传用户：waizhang
IEEE standard Common Format for Transient Data Exchange (COMTRADE) for power systems.pdf电力系统故障录波的标准数

IEEE standard Common Format for Transient Data Exchange (COMTRADE) for power systems.pdf电力系统故障录波的标准数据格式

标签： for Transient COMTRADE Exchange

上传时间： 2016-01-11

上传用户：shanml
this comtrade of power system.

this comtrade of power system.

标签： comtrade system power this

上传时间： 2013-12-22

上传用户：hullow
IT is the file used to performing the execution of Power Dvd! pls enjoy~

IT is the file used to performing the execution of Power Dvd! pls enjoy~

标签： performing execution the Power

上传时间： 2016-01-21

上传用户：firstbyte