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Mobilebroadband
Ebook Mobile Broadband
Including WiMAX and LTE
ISBN: 978-0-387-68189-4 e-ISBN: 978-0-387-68192-4
DOI: 10.1007/978-0-387-68192-4
This book attempts to provide an overview of IP-OFDMA technology, commencing
with cellular and IP technology for the uninitiated, while endeavoring to pave
the way toward OFDMA theory and emerging technologies, such asWiMAX, LTE,
and beyond. The first half of the book ends with OFDM technology, and the second
half of the book is targeted at more advanced readers, providing research and
development-oriented outlook by introducing OFDMA and MIMO theory and endto-
end system architectures of IP- and OFDMA-based technologies.
- 2010-06-03 16:50:40下载
- 积分:1
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pca
人脸识别的最基本的算法PCA,主要是描述了特征值法的基本原理,内容很详细。(Most basic algorithm for PCA Face RecognitionFace recognition algorithm is the most basic PCA, mainly describes the basic principles of characteristic value method, content, very detailed.)
- 2009-12-19 16:35:20下载
- 积分:1
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PAPR-Reduction2
This M Code simulate the effects of clipping and filtering on PAPR PAPR reduction in OFDM-based wireless standard.Also the performance of BER versus SNR of original OFDM signals with PAPR reduction based on clipping and filtering schemes over AWGN channel is evaluated.
The simplest and most widely used technique of PAPR reduction is to basically clip the part of signals that are outside the allowed region.Clipping methode introduces both in band distortion and out of band radiation into OFDM signals which degrades the performance including the BER and spectral efficiency.Filtering can reduce out of band radiation after clipping although it can not reduce in-band radiation distortion.However, clipping may cause some peak regrowth so that the signal after clipping and filtering will exceed the clipping level at some point.To reduce peak regrowth a repeated filtering and clipping operation can be used to obtain a desirable PAPR at a cost of computational complexity increase.
- 2011-05-19 20:47:15下载
- 积分:1
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SimpleMthd
单纯形法matlab程序
求解标准型线性规划:max c*x s.t. A*x=b x>=0
本函数中的A是单纯初始表,包括:最后一行是初始的检验数,最后一列是资源向量b
N是初始的基变量的下标
输出变量sol是最优解, 其中松弛变量(或剩余变量)可能不为0
输出变量val是最优目标值,kk是迭代次数( example:max 2*x1+3*x2
s.t. x1+2*x2<=8
4*x1<=16
4*x2<=12
x1,x2>=0)
- 2013-11-29 17:05:08下载
- 积分:1
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solar
solar array
with the intensity and tempreture variation
at diff lacations can be judged
- 2012-11-21 13:47:33下载
- 积分:1
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Direct_sequence_spread_spectrum
Assume that a direct sequence spread spectrum system uses the Barker code of length 7 (N=7) as its spreading sequence.
a. Randomly generate 8 symbols (d0~d7) from the set {+1,-1}.
b. If each chip of the Barker code is denoted as cj, j=0~6, spread each symbol di by the Barker code. (Please refer to p. 17 of the slides.) Use “stem” to plot the signals before
spreading and after spreading
- 2010-08-11 04:53:11下载
- 积分:1
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GMF_program
GMF(Graphical Modeling Framework)是Eclipse的一个开源项目,它在结合了EMF和GEF的 基础上,为基于模型的图形化编辑器的开发提供了一个功能强大的框架,开发人员可以采用建 模的方式很容易的生成高质量的代码框架。(GMF (Graphical Modeling Framework) Eclipse is an open source project, it combines the foundation on EMF and GEF, provides a powerful graphical editor framework for model-based development, developers can adopt the modeling approach easily generate high-quality code framework.)
- 2014-02-11 17:19:28下载
- 积分:1
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SVM
SVM的SMO算法实现,svm_train为训练函数,svm_predict为预测函数,按说明输入参数即可(The SMO SVM algorithm, svm_train of the training function, svm_predict to predict function, follow the instructions to input parameters)
- 2014-05-07 09:38:10下载
- 积分:1
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matla图形图像处理
介绍了图像处理的一般知识以及如何应用MATLAB进行图像处理(of image processing and general knowledge of how to use MATLAB for image processing)
- 2005-07-12 21:27:47下载
- 积分:1
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HalPwrSeqCmd
dirver shall implement this function by read & msk.
- 2015-03-03 18:59:22下载
- 积分:1