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orthogonality-between-subcarriers-in-ofdm
- This scr ipt shows orthogonallity between sub-carriers in OFDM is realized when signals complete integer number of cycles over same number of samples.
ofdm
- OFDM的仿真程序，经过瑞利多径的仿真。其中子载波数为4.-OFDM simulation procedure, after the simulation of multipath Rayleigh. Subcarriers of which the number of 4.
OFDM_TRail
- OFDM系统，子载波数目1024，前缀数目256，循环数目256，加入了高斯白噪声-OFDM system, the number of subcarriers 1024, the number prefix 256, the cycle number of 256, by adding a Gaussian white noise
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
Understanding_ofdm
- A simple Octave scr ipt where a BPSK modulated signal is transmitted on the 52 used subcarriers, may be used for understanding generation of an OFDM signal. The scr ipt is loosely based on 802.11a specification.
OFDMSYN
- OFDM系统是将一个用户的信息分别调制在了多个相互正交的子载波上面，对频率偏移非常敏感，OFDM同步技术非常关键，这里予以实现-OFDM system is a user' s information were prepared in a number of mutually orthogonal subcarriers above, is very sensitive to frequency offset, OFDM synchronization is critical to ach
getPDF1
- In this paper, we investigate the timing and carrier frequency offset (CFO) synchronization problem in decode and forward cooperative systems operating over frequency selective channels. A training sequence which consists of one orthogonal fr
getPDF2
- In this paper, we investigate the timing and carrier frequency offset (CFO) synchronization problem in decode and forward cooperative systems operating over frequency selective channels. A training sequence which consists of one orthogonal fr
BER_OFDM_16QAM
- BER for OFDM using 16QAM with 52 subcarriers using 64 IFFT.
Rayleigh_ofdm
- carrier_count= 200 bits_per_symbol = 2 symbols_per_carrier = 50 loop=10 num=5 循环次数 10 子载波数 200 位数/ 符号 2 符号数/ 载波 50 训练符号数 5 循环前缀长度 T/4 调制方式 QAM 多径信道数 2（缺省） 信道最大时延 5 (单位数据符号) 仿真条件 收发之间严格同步 一个OFDM系统
r-li-2008-thesis.pdf.tar
- As a multi-carrier modulation scheme, Orthogonal Frequency Division Multiplexing (OFDM) technique can achieve high data rate in frequency-selective fading channels by splitting a broadband signal into a number of narrowband signals over a number
48
- OFDM系统的PAPR性能与分割方式有关，但除此之外还与输入数据的子分组数V、相位集合中的相位数P以及子载波数量N有关。下面，对各种条件下PTS-OFDM系统的性能进行了仿真。-PAPR performance of OFDM systems and partitions the way, but in addition to the input data, the number of sub-group V, number of phases in the collection phase P
ptsgai
- 给出了r=1，2，3，4的OFDM系统使用改进的次优化算法时的PAPR性能。仿真参数：子载波数为64，QPSK调制，V=4，P=4，取 ，分割方法为交织分割，仿真的OFDM符号数为1000个，迭代次数k=1。-Gives r = 1,2,3,4 of the OFDM system uses an improved algorithm for sub-optimal performance when the PAPR. Simulation parameters: number of subca
OFDMFREQUENCYOFFSET
- plotting Consecutive OFDM Subcarriers in Time domain..This program plots sensitivity of OFDM subcarriers with Carrier frequency offset(CFO)-plotting Consecutive OFDM Subcarriers in Time domain..This program plots sensitivity of OFDM subcarriers with
ofdm1
- 由MATLAB程序产生2Gbi/s的基带OFDM信号先将2^15-1个伪随机序列映射到256个进行4QAM编码调制的子载波上，编码后的OFDM符号再经过IFFT变换将其转换为时域波形，接着添加6.4ns的循环前缀（CP），产生的数据波形再装载到Tektronix任意波形发生器（AWG）中，产生2Gbit/s的基带OFDM信号。基带OFDM信号频谱示意图如图3所示。其中包括256个OFDM子载波256个子载波中200个子信道用来传送数据信号，27个高频和28个低频子信道为了过采样的需要置0，OFD
ber
- In OFDM transmission, all the available subcarriers from the DFT is not used for data transmission. Typically some subcarriers at the edge are left unused to ensure spectrum roll off. For the example scenario, out of the available bandwidth from -10M
05361482
- Its a research paper from ieee In this letter, analytical expressions are derived for the power spectral density (PSD) of orthogonal frequency division multiplex (OFDM) signals employing a cyclic prefix (CP-OFDM) or zero padding (ZP-OFDM) time
ofdm-fft-simulation
- 在一个OFDM系统中,一大批正交、重叠,狭窄的subcarriers衰落、传递并联,除可用的传输带宽。分离的理论,subcarriers最小，这是一个非常紧凑的频谱利用率。OFDM主要是由于该系统如何处理多路径干扰在接收机。多路径生成 -In an OFDM scheme, a large number of orthogonal, overlapping, narrow band sub-channels or subcarriers, transmitted in parallel,
sensitivity-of-OFDM-subcarriers-with-CFO
- This program plots sensitivity of OFDM subcarriers with Carrier frequency offset(CFO)
OFDM-master (1)
- ofdm仿真，用matlab仿真实现ofdm，为初学者提供一条道路(The proposed secret data embedding and extraction in OFDM is shown in figure 1.In order to achieve higher data rate, the serial data stream bits are converted in to parallel data output bits. Then the modulation s