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ofdm+matlab
- OFDM：正交频分复用(OFDM)是第四代移动通信的核心技术。该文首先简要介绍了OFDM基本原理，重点研究了理想同步情 况下，保护时隙(cP)和不同的信道估计方法在高斯信道和多径瑞利衰落信道下对OFDM系统性能的影响。在给出OFDM系 统模型的基础上，用MATLAB语言实现了整个系统的计算机仿真并给出参考设计程序-OFDM : Orthogonal Frequency Division Multiplexing (OFDM) is the fourth-generation mobile
OFDM
- 一个OFDM在加性高斯白噪声信道(AWGN)和多径瑞利衰落信道(MuhipathReyleighFading)下的调制解调模型，simulink建模，仿真信噪比、频谱图、星座图。-A OFDM in additive white gaussian noise (AWGN) channel and multipath Rayleigh fading channel (MuhipathReyleighFading) of demodulation model, simulink modeling,
LTE_System_Level_1.0_r247
- LTE仿模型，十分好用，可以快速帮你理解 -ofdm simulation model, is very easy to use, can quickly help you understand
ofdm
- QPSK调制信号经过AWGN、Rayleigh衰落信道的误码率-QPSK modulated signal through AWGN, Rayleigh fading channel bit error rate
OFDM_Technique_Simulation_Performance
- 摘要:基于通信技术的列车运行控制系统(CBTC)是铁路信号的发展方向，交频分复用 OFDM)是一种无线环境下的高速传输技术，它对高速列车控制信息传输中卞要受到的由于多 径传播引起的快衰落所产生的影响有很强的抵抗能力.本文首先介绍了OFDM技术的发展和 基本原理，然后在计算机上用M atlal〕对其性能进行了仿真，仿真中将OFDM与传统的单载波 调制方式—i1，交振幅调制( 1frQAM)对抗多径十扰的性能进行了比较，最后分析了一者的仿真结果. -Abstract: Based
Thechannelestimationofdelayedfeedbackmimoofdmchann
- 掌握梳状导频和信道估计算法，实现MATLAB仿真；建立简单的系统结构和信道模型；在含多普勒频移的瑞利衰落信道下，进行含信道估计算法的OFDM系统仿真，并进行性能分析。 -Comb master and pilot channel estimation algorithm, the realization of MATLAB simulation the establishment of a simple system structure and channel model with D
ofdm_simu
- OFDM系统仿真，信号采用卷积编码和交织技术、采用16-QAM和QPSK两种调制方式，干扰分别采用多径衰落和瑞利衰落两种。-OFDM system simulation, signal the use of convolutional coding and intertwined technology, using 16-QAM and QPSK modulation in two ways, interference were used to multipath fading and Rayl
ofdm_MIMO_Rayleigh
- ofdm+mimo+rayleigh仿真M文件，需要研习的请下载。-ofdm+mimo+rayleigh整个通信模型仿真，包含预编码，SVD（奇异值分解），SER计算，自适应（SISO的），OFDM调制解调
1
- Coarse Symbol Timing Synchronization (CSTS) algorithm for OFDM systems that is robust to a multi-path fading channel
OFDM_with_pilot
- In this Mfile, I want to investigate the performance of LSE algorithm in OFDM channel estimation with methods of equalizations like MRC and ZF. For further information see the "Xiaodong Cai and Georgios B. Giannakis, Error Probability Minimizing
BF
- MIMO2发2收,采用波束成形技术的BER计算,采用的是BPSK调制,并和发射端未使用beamforming进行了比较-scr ipt for computing the BER for BPSK modulation in a Rayleigh fading channel with and without transmit beamforming
script_ber_mimo_zf_sic_bpsk_rayleigh_channel
- scr ipt for computing the BER for BPSK modulation in a Rayleigh fading channel with 2 Tx, 2Rx MIMO channel Zero Forcing Equalization with Successive Interference Cancellation (ZF-SIC)-scr ipt for computing the BER for BPSK modulation in a
ofdm_fading
- Simulation program to realize OFDM transmission system (under one rayleigh path fading)
ofdmRK777
- This simulation simulate wireless Coded OFDM over mobile multipath fading channel. The model use QPSK, Reed-Solomon Channel Coding, and training based channel estimation.
MIMO_channel_typical_Trans
- MIMO channel的经典论文两篇, 通信学界的重要参考文献-Capacity limits in MIMO channel, capacity scaling in wireless systems under correlated fading
OFDM和衰落信道仿真
- 该文档包含两个仿真程序，分别是OFDM和衰落信道仿真。(The document contains two simulation programs, namely, OFDM and fading channel simulation.)
ofdm code
- OFDM simulation system use different modulation technique such as M-PSK M-QAM user can select that type . the program use image to be transmitted in QI mapped ,signal affected by AWGN and Fading on channel be for received
OFDM
- OFDM的基本算法，采用QAM/QPSK ，信道为多径衰落条件下(The basic algorithm of OFDM. QAM/QPSK, and the channel is multipath fading.)
ofdm
- 本程序对多径衰落的瑞利信道进行了信道估计，并比较了LS算法，LMMSE算法的误码率(This program estimates the channel of Rayleigh channel with multipath fading, and compares the BER of LS algorithm and LMMSE algorithm.)
OFDM信号频谱感10
- 前已提出的频谱感知方法主要包括匹配滤波器检测、 能量检测、 循环平稳特征检测以及多分辨率频谱感知. 这些方法均为单节点感知方法.然而，在阴影和深度衰落情况下， 单个节点的感知结果并不可靠， 因此， 需要对多个节点的感知结果进行融合，以提高检测可靠性， 即协作感知技术. 文献采用“或” 准则对各个 CR 感知结果进行融合. 文献则提出了基于 D-S 证据理论的协作频谱感知算法，虽然该算法的性能比“或” 准则或“与”准则要好， 但需要存储大量历史信息， 算法的计算复杂度也很高. 文献中分析了采用似然