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This an adaptive receiver for a direct-sequence spread spectrum (DS-SS) system over an AWGN channel. The adaptive receiver block is modified from the LMS adaptive filter block in DSP Blockset. For DS-SS signal reception, the adaptive filter needs to have multi-rate operation. The input sample rate is equal to chip rate and the output is at symbol rate. Two rates are related by PG, processing gain
Update : 2025-02-17 Size : 8kb Publisher : 张非

Title: MMSE Receiver for DS-SS in AWGN Channel Author: Panson Tantikovit Summary: An adaptive receiver for DS-SS systems MATLAB Release: R12.1 Required Products: Communications Toolbox,Signal Processing Blockset Description: This is an adaptive receiver for a direct-sequence spread spectrum (DS-SS) system over an AWGN channel. The adaptive receiver block is modified from the LMS adaptive filter block in DSP Blockset. For DS-SS signal reception, the adaptive filter needs to have multi-rate operation. The input sample rate is equal to chip rate and the output is at symbol rate. Two rates are related by PG, processing gain. -Title: MMSE Receiver for DS-SS in AWGN Channel Author: Panson Tantikovit Summary: An adaptive receiver for DS-SS systems MATLAB Release: R12.1 Required Products: Communications Toolbox,Signal Processing Blockset Description: This is an adaptive receiver for a direct-sequence spread spectrum (DS-SS) system over an AWGN channel. The adaptive receiver block is modified from the LMS adaptive filter block in DSP Blockset. For DS-SS signal reception, the adaptive filter needs to have multi-rate operation. The input sample rate is equal to chip rate and the output is at symbol rate. Two rates are related by PG, processing gain.
Update : 2025-02-17 Size : 19kb Publisher : zzp

Matlab源程序:MMSE Receiver for DS-SS in AWGN Channel!希望对大家有帮助。-Matlab source : MMSE Receiver for DS-SS in AWGN Channel! We want to help.
Update : 2025-02-17 Size : 8kb Publisher :

扩频通信直扩通信系统。包括调制,解调。各信号的频谱。-Spread Spectrum Communication DS-SS communication system. Including modulation, demodulation. The signal spectrum.
Update : 2025-02-17 Size : 1kb Publisher : triones

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直接序列扩频Matlab程序 直接序列扩频通信可以有效地抵抗来自信道中的窄带干扰。在一个直扩通信系统中,扩频是通过伪噪声序列(PN)对发送的信息数据进行调制来实现的。在接收端,原伪噪声序列和所收信号的相关运算可将窄带干扰扩展到DS信号的整个频带,使干扰等效为幅度较低频谱较平坦的噪声;同时,将DS信号解扩,恢复原始信息数据。-Matlab procedures for direct sequence spread spectrum direct sequence spread spectrum communications can effectively resist the narrow-band interference from the channel. In a DSSS communication systems, spread spectrum pseudo-noise sequence through (PN) for sending information data modulation is achieved. At the receiving end, the original pseudo-noise sequence and the received signal related to computing can be extended to narrow-band interference signal DS the whole band, so interference is equivalent to a lesser extent than the flat spectrum of noise At the same time, the DS signal despreading and restore original information data.
Update : 2025-02-17 Size : 1kb Publisher : 周一

该程序可以实现直扩通信系统中扩频码的生成,可以通过键入本原多项式直接输出生成的扩频码,方便灵活。-The program can be achieved in DS spread spectrum communication system to generate code, you can direct the output type primitive polynomial generated spreading codes, convenient and flexible.
Update : 2025-02-17 Size : 12kb Publisher : qingyuanbao

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本程序由一对m序列优选对模二加生成一组平衡GOLD序列码,用于对直扩系统仿真之中,通过改变第二个m序列的初始状态可以生成不同的GOLD序列码-This procedure by a pair of m-mode sequence optimization of two-plus-one group to generate a balanced sequence GOLD code, for the DS system simulation, and by changing the second m sequence of the initial state can produce different code sequences GOLD
Update : 2025-02-17 Size : 1kb Publisher : 胡斌

此程序为DS-CDMA链路中加入基于子空间的PASTd多用户检测方法。系统中采用m序列阔频,可以通过高斯信道或瑞利信道。可以直接运行得到不同信噪比下的误码率曲线。-This procedure for the DS-CDMA link by adding space-based sub-PASTd multi-user detection methods. System m sequence used in wide-band, you can channel through the Gaussian or Rayleigh channel. Can be directly run different SNR BER curves.
Update : 2025-02-17 Size : 197kb Publisher : 王星

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此程序为DS-CDMA链路中加入基于子空间的PAST多用户检测方法。系统中采用m序列阔频,可以通过高斯信道或瑞利信道。可以直接运行得到不同信噪比下的误码率曲线。-This procedure for the DS-CDMA link by adding the PAST subspace-based multi-user detection methods. System m sequence used in wide-band, you can channel through the Gaussian or Rayleigh channel. Can be directly run different SNR BER curves.
Update : 2025-02-17 Size : 197kb Publisher : 王星

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Quadrature Amplitude Modulation (QAM)在MATLAB的仿真和应用-Simulink-based Simulation of Quadrature Amplitude Modulation (QAM
Update : 2025-02-17 Size : 106kb Publisher : 哈哈

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简单的单用户ds-cdma系统仿真,包含六个m文件,m序列作为扩频码。-Simple single-user ds-cdma system simulation, including six m file, m sequences as spreading codes.
Update : 2025-02-17 Size : 3kb Publisher : weiwei

These files in Matlab implement a conventional DS -CDMA detector using QPSK modulation and matched filters in the receiver.-These files in Matlab implement a conventional DS-CDMA detector using QPSK modulation and matched filters in the receiver.
Update : 2025-02-17 Size : 3kb Publisher : Saurabh

BPSK-DSSS-CDMA-FFT 四个基本系统的代码-BPSK-DSSS-CDMA-FFT four basic system code
Update : 2025-02-17 Size : 38kb Publisher : 晓敏

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Comparison of log normal shadowing and coding effects in a diversity combining DS/CDMA Cellular system
Update : 2025-02-17 Size : 6kb Publisher : shifka

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在DS-spread spectrum系统中,噪声为加性高斯白噪声,传统单用户检测,线性解相关多用户检测和最小均方误差多用户检测的性能比较-In the DS-spread spectrum system, the noise is additive white Gaussian noise, the traditional single-user detection, the linear decorrelating multiuser detector and minimum mean-square error multiuser detection performance comparison
Update : 2025-02-17 Size : 4kb Publisher : zxy

相关瑞利衰落信道中多载波DS-CDMA的系统性能.pdf-Performance of multicarrier DS-CDMA systems in correlated rayleigh fading channel
Update : 2025-02-17 Size : 135kb Publisher : longliu

这个仿真程序用于实现DS-CDMA通信系统仿真,包含三种扩频码的选择,QPSK调制解调,瑞利信道衰落等。-The simulation program used to implement DS-CDMA communication system simulation, including the choice of three types of spreading codes, QPSK modulation and demodulation, Rayleigh fading channel and so on.
Update : 2025-02-17 Size : 25kb Publisher : william

DS-CDMA的MMSE算法程序,给出了不同信噪比下的BER性能比仿真曲线。-DS-CDMA of the MMSE algorithm program are given under different signal to noise ratio curve of BER performance than emulation.
Update : 2025-02-17 Size : 2kb Publisher : 杨俊炜

DS CDMA通信系统在matlab环境下仿真 -DS CDMA communication system used in matlab
Update : 2025-02-17 Size : 11kb Publisher : 凌洪涛

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DS-CDMA signal transmission simulation in MATLAB. Inludes: FEC, RF_sig+Rician channel, Equalizing, BER calculation.
Update : 2025-02-17 Size : 5kb Publisher : Maverix
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