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fwdmalawmc
Abstract—In this paper, we study the joint estimation of inphase
and quadrature-phase (I/Q) imbalance, carrier frequency
offset (CFO), and channel response for multiple-input multipleoutput
(MIMO) orthogonal frequency division multiplexing
(OFDM) systems using training sequences. A new concept called
channel residual energy (CRE) is introduced. We show that by
minimizing the CRE, we can jointly estimate the I/Q imbalance
and CFO without knowing the channel response. The proposed
method needs only one OFDM block for training and the training
symbols can be arbitrary. Moreover when the training block
consists of two repeated sequences, a low complexity two-step
approach is proposed to solve the joint estimation problem.
Simulation results show that the mean-squared error (MSE) of
the proposed method is close to the Cramer-Rao bound (CRB).
Index Terms—MIMO OFDM, CFO, I/Q imbalance, channel
estimation.
- 2012-03-29 16:33:58下载
- 积分：1
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rs
说明： rs编解码，对实现了rs码的编解码，并对其误码率进行了分析仿真(rs codec, to the achievement of the rs code coding and decoding, and BER analysis simulation)
- 2008-11-22 10:32:37下载
- 积分：1
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digitalsystem
数字基带系统,运行无码间干扰数字基带传输特性及眼图的程序，观察所有的结果，对结果做出分析(Digital base-band system, running without inter-symbol interference digital base-band transmission characteristics and the eye diagram of the procedure, observe all the results of an analysis of the results)
- 2021-05-09 18:08:34下载
- 积分：1
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pso
说明： LDPC码的mackay构造法，PEG构造法，QC-LDPC构造，SPA译码算法(LDPC codes are constructed by Mackay, PEG, QC-LDPC and Spa decoding algorithms)
- 2021-04-27 20:18:44下载
- 积分：1
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max264
说明： 本文介绍了如何使用264芯片，并对可编程增益可调的滤波器max264做了具体说明.(for how to use max264)
- 2009-08-20 07:48:26下载
- 积分：1
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仿真技术在光纤通信实验教学中的应用
通过两个例子，将Optisystem和matlab这两个软件结合进行光学仿真，两个例子分别为光波频率右移和光波幅度调制。通过这两个例子，能很好的理解这两个软件的协同仿真。上传的文件包括文献和源码，还有optisystem的osd文件，文件很全。(Two examples are used to combine the two software Optisystem and MATLAB for optical simulation. The two examples are the right shift of the light frequency and the modulation of the amplitude of the light wave. Through these two examples, we can well understand the collaborative simulation of these two software. Upload files, including documents and source code, as well as the optisystem OSD file, the document is very complete)
- 2020-11-28 15:29:29下载
- 积分：1
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mywork
有效的分簇算法，实现节点的能量优化和对比(Effective clustering algorithm to achieve node energy optimization.)
- 2018-06-03 19:37:59下载
- 积分：1
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TCH-data-channel
TCH全速率，实现把源码发送并利用纠错和交织保护来保护源码(TCH full rate, realize the source code to send and the use of error correction and interwoven protection to protect the source code)
- 2012-03-17 13:32:09下载
- 积分：1
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1
说明： Security in Mobile Ad Hoc Networks
- 2014-02-20 23:02:56下载
- 积分：1
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n428
GSM reading book in the would
- 2018-01-11 20:53:23下载
- 积分：1
