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OFDM
- 子载波为QAM调制,子信道数为4的基于matlab的OFDM仿真程序
ptsn
- 改变子载波的数目n,实现ofdm的pts抑制papr算法,以验证不同的子载波数的影响
ofdmber.SC-FDMA中IFDMA和LFDMA两种不同子载波映射方式
- SC-FDMA中IFDMA和LFDMA两种不同子载波映射方式在不同滚降系数下的峰均比,PAPR with different roll factors in SC-FDMA system
digitalmod.rar
- 数字通信调制信号信号模拟系统 信号种类: MASK:2ASK,4ASK,8ASK MPSK:2PSK、4PSK、8PSK MFSK:2FSK、4FSK、8FSK 分连续相位CPFSK和离散相位DPFSK两种 MQAM:16QAM、32QAM、64QAM、128QAM OFDM:子载波数可任意选定,映射方式有BPSK、QPSK、4QAM、16QAM、32QAM、64QAM ,Digital communication system signal-signal analog modul
OFDM
- OFDM的原理在matalb中实现源代码,包括FFT和IFFT,加入保护间隔,循环前缀和子载波等。-Principle of OFDM is implemented in matalb source code, including FFT and IFFT, adding guard interval, cyclic prefix and sub-carrier, etc.
SLMsubcarriers
- 采用不同子载波数时,用SLM法降低多载波CDMA信号峰均值比-Number of different subcarriers when SLM method to reduce multi-carrier CDMA signal peaks than average
PTSsubcarriers
- 采用不同子载波时,用PTS(部分传输序列)方法降低MC-CDMA信号的峰均值比。-Using different subcarriers when PTS (Partial Transmit Sequences) ways to reduce MC-CDMA signal peaks than average.
Virtual
- 系统中,信道估计——虚拟子载波信道估计的源程序!-System, channel estimation- a virtual subcarriers channel estimation of the source code!
subcarrierallocationalgorithm
- 一种基于多用户子载波分配的算法希望对大家有用。-Based on Multi-user subcarrier allocation algorithm for all of us hope that useful
bssalgorithm
- 自己编写的,盲源分离算法仿真分析系统(图形界面)又名:独立分量分析;算法种类:自然梯度算法、投影自然梯度算法、FastICA、SOBI、NJD非正交联合对角化。信号种类: MASK:2ASK,4ASK,8ASK MPSK:2PSK、4PSK、8PSK MFSK:2FSK、4FSK、8FSK 分连续相位CPFSK和离散相位DPFSK两种 MQAM:16QAM、32QAM、64QAM、128QAM OFDM:子载波数可任意选定,映射方式有BPSK、QPSK、4QAM、16QAM、
ofdmpaprbpsk
- 此程序参照了IEEE 802.11a ,使用了52个子载波。理论期望papr为52.但是由加扰器的存在,所有子载波很难一直的调制-Per the IEEE 802.11a specifications, we 52 have used subcarriers. Given so, the theoretical maximum expected PAPR is 52 (around 17dB). However, thanks to the scrambler, all the subcarri
HighspeedmobileenvironmentOFDM(includeprograms).ra
- 高速移动环境下,多普勒频移很大,子载波正交性遭到破坏,本资料就是为了解决高速环境下,系统的性能。-High-speed mobile environment, doppler frequency is big, the subcarrier orthogonality destroyed, this material is to solve high-speed environment, the performance of the system.
GreedyAlgOfdm
- 利用贪婪算法对ofdm系统进行子载波和功率分配,在误码率一定的情况下,是发射端的功率最低-Greedy algorithm using ofdm system subcarrier and power allocation, bit error rate in certain circumstances, is the minimum transmitter power
ofdm-modulation
- 该文档为一个实现ofdm子载波调制和解调的代码,利用QPSK和16QAM两种方式实现,并附有运行结果。-This document is an implementation of ofdm subcarrier modulation and demodulation of the code, the use of QPSK and 16QAM two ways, along with operating results.
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
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
- 4信道OFDM,子载波采用QAM调制 ,待传的信号与OFDM产生的信号之间的仿真图-4-channel OFDM sub-carrier QAM modulation between the signal and the OFDM signal to be preaching simulation Figure
ofdma-pdf
- 提出了一种在多用户OFDM系统中总发射功率和误码率限定的条件下,系统总数据容量最大化的子载波分配算法-Subcarrier allocation algorithm for multiuser OFDM system with proportional fairness
OFDM-MATLAB--simulate-
- OFDM系统通过将高速数据流变成在多个载波并行传输的低速数据流,各子载波之间的正交性及保护间隔的引入,增强了OFDM系统的抗多径衰落等性能,是第四代移动通信技术标准的参考技术之一。本代码是基于IFFT和FFT算法的OFDM系统可以在matlab环境下进行很好的模拟仿真,并进行系统的性能分析-an Orthogonal Frequency Division Multiplexing code of Matlab
SIPS04Matlab
- 该程序用matlab仿真了OFDM下行链路的资源分配,包括功率和比特分配、子载波分配-The program matlab simulation the OFDM downside link distribution of resources, including power and bit allocation, the subcarrier allocation