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OFDM-technology-based-on-simulink
- 正交频分复用(OFDM)是第四代移动通信的核心技术,它是实现宽带无线通信和多媒 体业务发展的基础。对OFDM 技术的基本原理，关键技术以及实现进行了研究，并且通过 matlab 中的通信仿真系统simulink 对OFDM 系统进行了模拟和分析，直观和形象地得到了 OFDM 系统在时域和频域的传输性能，得出的结果表明OFDM 系统可以明显地表现出抗多 径效应引起的频率选择性衰落和提高了频谱利用率，这一特性使得它能够在高数据传输速率 的无线信道中发挥优势。-Orthogonal Frequency
ofdm
- MIMO．OFDM系统的子载波、功率和比特分配 MIMO技术能不增加系统带宽却提高系统容量和频谱利用率-The MIMO.OFDM system subcarrier, bit and power allocation MIMO technology can not increase the bandwidth of the system can improve the system capacity and spectrum efficiency
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
OFDM-Cyclostationary-Properties
- 本程序通过分析OFDM信号的循环平稳特性，利用循环谱对OFDM信道进行估计。-This procedure by analyzing the OFDM signal is cyclostationary properties, the use of cyclic spectrum of the OFDM channel estimation.
Matlab-OFDM-simulink
- Matlab入门级OFDM仿真，包括每个步骤的波形，星座图，频谱等。-Matlab entry-level OFDM simulation, including each step of the waveform, constellation, spectrum.
OFDM
- OFDM matlab调制与解调仿真，信号及其频谱-The OFDM matlab modulation and demodulation simulation, signal and its spectrum
OFDM-analysis-and-simulation
- 实现了光OFDM模块的各个功能，同时仿真分析了OFDM的载波幅度谱、相位谱、每个载波对应的时域信号、整个时域/频域的OFDM、每个接收符号的分布图。计算了相位差-To achieve the various functions of the optical OFDM module, the simulation analysis of the the the OFDM carrier amplitude spectrum and phase spectrum, and the time doma
Spectrum-sensing-applications
- ofdm系统基于能量检测的频谱感知研究方法-OFDM system based on energy detection spectrum sensing research methods
OFDM-Sigal-spectrum
- 可直接运行产生高质量的OFDM信号频谱图形。无需调用其它子程序实现。-Can be run directly produce high-quality OFDM signal spectrum graphics. You do not need to call other subroutines.
spectrum-sensing
- I WANT MATLAB CODE FOR SPECTRUM SENSING IN WIDEBAND ofdm COGNITIVE RADIO
Spectral-Efficiency-Analysis-in-OFDM-and-OFDM_OQA
- Spectral Efficiency Analysis in OFDM and OFDM/OQAM based Cognitive Radio Networks The future wireless communication is expected to be able to improve the efficiency of spectrum usage. To solve the challenge of spectrum shortage, an innovativ
spectrum-density-of-NC-OFDM
- 该程序用于基于认知无线电NC-OFDM系统的仿真，用来计算信号的功率谱密度-The program for the NC-OFDM Cognitive Radio system simulation for calculating the power spectral density of the signal。
BER-ANALYSIS-IN-OFDM
- Multi-Carrier Modulation is a technique for data-transmission where a high-bit rate data stream is divided into several parallel low bit-rate data streams and using these low bit-rate data streams to modulate several carriers. Multi-Carrier Transmiss
spectrum
- OFDM调制程序，可看到OFDM频域波形-OFDM modulation, the OFDM frequency domain waveforms can be seen
ofdm
- 此程序模拟了一个基本的OFDM通信系统，采用16QAM调制，并绘出了星座图及输入输出信号频谱-This program simulates a basic OFDM communication system using 16QAM modulation, and draw a constellation diagram and the input and output signal spectrum
OFDM-SENSING
- 基于OFDM/QPASK信号的周期循环频谱感知算法 认知无线电应用-Based on OFDM/QPASK signal cycle of the spectrum perception algorithm
OFDM
- 能实现对OFDM信号频谱的仿真，能创建信道，以及相关性能的分析。-Can realize the simulation of the OFDM signal spectrum, can create a channel, and the related performance analysis.
CR-MIMO-OFDM
- 认知无线电(Cognitive Radio,CR)的概念起源于1999年Joseph Mitolo博士的奠基性工作，其核心思想是CR具有学习能力，能与周围环境交互信息，以感知和利用在该空间的可用频谱，并限制和降低冲突的发生-Cognitive radio (Cognitive Radio, CR) concept originated in 1999, Dr. Joseph Mitolo s groundbreaking work, the core idea is CR with learni
OFDM-multipath-fading-channel-model
- this code give a matlab model for simulation the time varing channels with rayligh fading and soppler types spectrum for ofdm signals.