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05441004
Multiple input multiple output techniques combined
with orthogonal frequency division multiplexing (MIMO-OFDM)
provide a promising approach for wireless systems. However, a
serious drawback of the OFDM system is the high peak-toaverage
power ratio (PAPR), which may severely affect the
power efficiency of RF power amplifiers. In this paper, we
propose a simple method to reduce the PAPR of MIMO-OFDM
signals based on the use of unused subcarriers. Instead of
processing the signals at each transmitter separately, a peak
cancelling signal is generated at one antenna and is then applied
to all the others with only simple modifications. Simulation has
shown that a minimum 2 dB reduction in PAPR can be achieved
for all transmit signals using this approach. As the signal
processing is nearly all done at a single transmitter, repetition of
the operations at each transmitter is avoided, and therefore the
overall cost of the system can be significantly reduced.
- 2011-11-05 01:46:42下载
- 积分：1
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gun_na37
pwm整流器的建模仿真，感应双馈发电机系统的仿真，复化三点Gauss-lengend公式求pi。( Modeling and simulation pwm rectifier Simulation of doubly fed induction generator system, Complex of three-point Gauss-lengend the Formula pi.)
- 2017-05-10 10:04:05下载
- 积分：1
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function_and_note_in_matlab
MATLAB的主要函数及其注释
可方便查找用(The main function of MATLAB and its notes can be easily used to find)
- 2008-03-26 23:19:24下载
- 积分：1
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MyTwainScan
因为TWAIN的协议比较复杂,该程序,为你展示了TWAIN的使用(because the agreement is more complicated, the procedures for the display you use the TWAIN)
- 2007-06-05 16:42:08下载
- 积分：1
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bianyiyuanli
编译原理的学习资料，我们上课用的，没有源码传，但又想下载东西，只好传了学习资料(Compilation Principle of learning materials, we used in class, there is no source Chuan, but want to download things, but to learn from the information passed)
- 2009-01-01 18:45:00下载
- 积分：1
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vanetmatlab
说明： artificial transportation system and internet of vehicles, internet of things, vanet, intelligent transportation.
- 2020-06-24 21:40:01下载
- 积分：1
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Y1197129
宽带射频功率放大器的数字预失真技术研究论文，学习资料(Broadband rf power amplifier digital predistortion technology research
)
- 2011-05-09 22:18:44下载
- 积分：1
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ikvei
随机调制信号下的模拟ppm，结合PCA的尺度不变特征变换(SIFT)算法，包括主成分分析、因子分析、贝叶斯分析。( Random ppm modulated analog signal under Combined with PCA scale invariant feature transform (SIFT) algorithm, Including principal component analysis, factor analysis, Bayesian analysis.)
- 2017-05-11 15:38:40下载
- 积分：1
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TI-RTOS开发教程
说明： TI RTOS 教材，难得好资料，基于TI RTOS软件开发人员的必备参考(TI RTOS handbook, show how to use TI RTOS)
- 2020-07-01 16:20:02下载
- 积分：1
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LMS
自适应的LMS算法及其应用
本实验通过一个二阶自回归过程来研究实时数据集平均对LMS算法的影响
包含MATLAB代码(LMS algorithm)
- 2021-05-06 18:58:37下载
- 积分：1
