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Using_the_Cyclic_Prefix
- 这篇文章详细介绍了CP在OFDM系统中的使用-Detailed information on CP in the OFDM system using
OFDM
- OFDM系统仿真分析及基于循环前缀的研究-Analysis and Simulation Study Based on Cyclic Prefix
cp_ofdm_simulation
- Matlab file for simulating a cyclic-prefix (CP) orthogonal-frequency- division-multiplexing (OFDM) system with binary phase-shift keying (BPSK) modulation on each subcarrier. CP-OFDM system includes a repetition code and interleaving across
04408690
- 电力线通信在OFDM下不同短时循环短时的信道估计-Cyclic Short-Time Varying Channel estimation in OFDM Power-Line Communication
OFDM
- 针对在无线电监测和认知无线电系统中,信号参数估计这一重要问题,证明了OFDM信号具有循环平稳性的必要条件是加循环前缀或有非矩形脉冲成型,并以线性周期时变变换(LPTV)模型为基础,推导了OFDM信号的循环谱表达式-For radio monitoring and cognitive radio systems, signal parameter estimation of this important issue, the necessary condition for the OFDM sig
OFDM-signals-with-low-SNR
- 针对认知无线电系统中正交频分复用( OFDM )信号参数估计这一重要问题, 利用OFDM 信号的循环谱实现了符号周期的盲估计。-For cognitive radio systems, orthogonal frequency division multiplexing (OFDM) signal parameter estimation of this important issue, the cyclic spectrum of the OFDM signal to achieve the
biyesejitognxinxitong
- 中文摘要 正交频分复用（ OFDM ， Orthogonal Frequency Division Multiplexing）是当前一种非常热门的通信技术。它即可以被看作是一种 调制技术，也可以被看作是一种复用技术。由于它具有抗多径衰落和频谱 利用率高的特点，因此被广泛应用于高速数字通信领域，比如应用于IEEE 802.11a无线局域网（WLAN）的物理层等等。 我的毕业设计的核心任务是：采用 FPGA 来实现一个基于OFDM 技术 的通信系统中的基带数据处
64OFDM
- 在OFDM系统下，在SIMULINK的仿真条件下，对数字信号符号加循环前缀的程序代码。-In an OFDM system, in the the SIMULINK simulation conditions, the program of the digital signal symbols plus the cyclic prefix code.
MATLAB1
- matlab程序的使用简介的ppt，可以使初学者更容易使用matlab-OFDM transmitter, channel and receiver of the entire system using MATLAB language in OFDM simulation models based on the correct premise system simulation, cyclic prefix, the channel estimation performance to impro
The-Introduction-Of-OFDM-Spectrum
- 本文介绍了OFDM技术及其功率谱的，并通过仿真研究了OFDM的功率谱密度特点。在同样条件下，增大子载波数目，会使信号带宽增加，带外衰减加快，功率谱密度图形更加接近于矩形。另外，添加循环前缀将使离散峰值谱线的值略微增大。-This article describes the OFDM technology and its power spectrum, and to study the characteristics of the power spectral density of the OFD
OFDM_DOPPLER_CP
- OFDM对频偏比较敏感，提出了基于循环前缀的频偏估计方法-OFDM is relatively sensitive to frequency offset, frequency offset estimation method is proposed based on cyclic prefix.
on-the-modulation-technology-in-OFDM
- 在 OFDM 数学原理和收发模型的基础上，本文对帧同步、定时同步、频率同 步和采样同步给 OFDM 系统所产生的影响进行了理论分析，同时讨论了基于循环 前缀或训练符号的典型 OFDM 同步算法。参考 802.11a 突发数据帧结构和系统参 数，分析几种 OFDM 同步算法用于突发分组传输的性能；在分析了几种经典的信 道估计算法基础上,通过对复杂度和性能的折衷，选择一种适合本文系统的估计 算法。最后作者提出一种改进型 LS 信道估计算法，该算法考虑了 LS 算法中噪声 的影
ofdm_awgn_bech
- awgn channel ofdm without cyclic preffix
1111cnc03_2
- Multicarrier modulations attract a lot of attention ranging from wireline to wireless communications compared to single carrier modulation because of theirs capability to efficiently cope with frequency selective fading channels. Much of attentio
OFDM--multipath-fadingsimulation
- OFDM通信系统抗多径衰落性能仿真，最后给出不同信道下，循环前缀、均衡技术对系统误码率影响的比较曲线，并得出结论。-OFDM communication system simulation of multipath fading Finally, under different channel, cyclic prefix, equalization impact on the system bit error rate comparison curve, and draw conclusion
ofdm_simulation_with_matlab
- 本文先简要介绍了OFDM的基本原理，然后进行了OFDM添加循环前缀后可以抗多径干扰的数学推导，在给出OFDM系统模型的基础上，用MATLAB语言对系统进行了仿真。最后给出不同信道下，循环前缀、均衡技术对系统误码率影响的比较曲线，并得出结论。-This paper first introduces the basic principles of OFDM, and then after the OFDM cyclic prefix can be added anti-multipath inter
paper2
- A New Low-Complexity Selected Mapping Scheme Using Cyclic Shifted IFFT for PAPR Reduction in OFDM Systems
AAA
- In this letter, we propose a simple orthogonal frequency-division multiplexing (OFDM) scheme for an asynchronous cooperative system, where OFDM is implemented at the source node, and time-reversion and complex conjugation are implemented at the rel
HW4
- A 16-QAM signal X, whose power is normalized as unity, is transmitted with OFDM over the discrete-time channel model h which has been used in Homework #2 and #3. As depicted in the below figure, the transmitter (TX) is now equipped with an N-point ID
OFDM-blind-estimating
- 本文有关于OFDM循环谱的推导 可贵的是还有带循环前缀的循环谱推导 仿真了OFDM循环谱，介绍了相关理论估计盲信号参数以及改进算法-The OFDM cyclic spectrum and bilnd signal estimating