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Resource-allocation-in-Cognitive-Radio--master
说明： resource allocation in cognitive radio
- 2019-05-26 22:14:09下载
- 积分：1
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OFDM_frequencyoffset
很好的OFDM系统载波同步算法，采用了长短训练序列分别进行小数倍频偏估计和整数倍频偏估计(This is a good carrier synchronization algorithm for OFDM system, using the long he short training sequences respectively to fractional frequency offset estimation and integer times frequency offset estimation)
- 2017-12-07 10:59:08下载
- 积分：1
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LTE_filter
LTE变采样滤波器的设计，应用在USRP平台，100M采样率变到30.72M采样率，以及30.72M采样率变换到100M采样率，文档说明，matlab源代码，以及性能仿真(LTE varying sampling filter design, used in USRP platform, 100M sampling rate changes to 30.72M sampling rate, and sample rate conversion 30.72M to 100M sampling rate, documentation, matlab source code, and performance simulation)
- 2021-04-12 12:18:57下载
- 积分：1
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DWellsThesis
This thesis presents simulation data on array operation in wideband communication systems.
It is shown that array structures with closer inter-element spacing outperform structures with
much larger inter-element spacing. It is also shown that circular structures outperform linear
structures. This performance di erence between the classi cations of arrays is due largely
to the circular array s ability to handle high levels of interference. Even though a diversity
combining scheme (MRC) was used in the simulator, the arrays provided interference rejection
capabilities due to the closely spaced antenna elements.
- 2010-01-01 00:56:28下载
- 积分：1
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microwave
简明微波讲义，比较实用。希望对大家有用！(Microwave concise notes, more practical. Hope it useful!)
- 2011-06-07 11:56:45下载
- 积分：1
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cdma_blind_detect
DS-CDMA系统中的多用户盲检测算法在多径信道下的比较；对比LMSRLSKALMAN性能；代码属原创(DS-CDMA system of blind detection algorithm of many users in multipath channel of the comparison Contrast LMS RLS KALMAN performance Code of original
)
- 2012-01-13 16:04:09下载
- 积分：1
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project
说明： 信号样本自相关分析，IQ两路绘制波形，频偏估计(Signal sample autocorrelation analysis, IQ two-way waveform drawing, frequency offset estimation)
- 2020-11-04 17:58:38下载
- 积分：1
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MIMOOFDMPrecoding
TD-LTE下行传输采用了MIMO-OFDM的物理层构架，通过最多4个发射天线并行传输多个（最多4个）数据流，能够有效地提高峰值传输速率。LTE的物理层处理过程中，预编码是其核心功能模块，物理下行共享信道的几种主要传输模式都是通过预编码实现的。(The td-scdma LTE downlink transmission adopted MIMO - OFDM frame, the physical transmission antennas parallel transmission by up to four more (up to 4) data flow, can effectively improve the peak transmission rate.LTE) in the process of the physical layer of precoding is its core function module, several kinds of main physical downlink Shared channel transmission model is achieved by precoding.)
- 2018-02-03 16:36:53下载
- 积分：1
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ofdms
ofdm system
1. applyOFDMChannel
2. calculateOFDMBER
3. generateOFDMSignal
4. getOFDMPreambleAndPilot
5. OFDMReceiver
6. OFDMSynchronizationExample
7. OFDMTransmitter
8. processOFDMScopes
9. receiveOFDMSignal
- 2019-05-31 15:10:31下载
- 积分：1
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2008_5
在三条径的瑞利信道中，对于直接序列扩频：
(1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法，接收机分别采用等均益合并、最大比合并。用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线，请解释在误码率为0.01时，两种合并方式所表现的不同的物理意义。
(2) 设频率已经同步，请设计DS-CDMA一种具体的单停顿滑动相关时间同步方法，用Simulink进行仿真(自己编写代码S-Function方式)，分析所设计方案的时间同步精度，画出比特信噪比与捕获概率的关系曲线。
(3) 设时间已经同步，请设计DS-CDMA一种具体的频率方法，用Simulink进行仿真(自己编写代码S-Function方式)，画出比特信噪比与频率同步误差的关系曲线。
(err)
- 2020-12-23 10:29:06下载
- 积分：1
