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16QAM.rar
- 16QAM仿真的程序,包含载波、眼图、星座图等多个通信常见图形的仿真,16QAM simulation procedures, including the carrier, the eye diagram, constellation diagram, and many other common graphics communication simulation
QAM解调芯片中载波恢复的设计与实现
- QAM解调芯片中载波恢复的设计与实现,文件为MATLAB 源程序,QAM demodulator chip carrier recovery in the design and realization of the source file for the MATLAB
wlan_transmitter
- WLAN仿真-发送机 wlan No Comments 设置完系统参数后,开始产生发送数据。 1. 产生随机的发送bit(tx_bits),这里不考虑信道编码。 2. QAM映射 3. 将数据映射到不同载波,形成OFDM符号 4. 产生pilot,并将pilot插入OFDM符号中 5. 加入dc和guard子载波 6. 进行ifft,将频域信号变到时域,并加入循环前缀 7. 对信号进行overlap window 8. 在时域产生short preamb
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
8QAM
- 利用matlab仿真软件,实现8QAM调制。在实现时采用正交调幅的方式,某星座点在I坐标上的投影去调制同相载波的幅度,在Q坐标上的投影去调制正交载波的幅度,然后将2个调幅信号相加就是所需的调相信号。-Use of matlab simulation software to achieve 8QAM modulation. In achieving the adoption of quadrature amplitude modulation means of a constellation in
qam_carrier_recovery
- QAM for WCDMA in wireless comunication for the implementation of WCDMA over the 2G
QAM
- QAM simulation using a carrier cosine wave with ISI
16qam——modulation
- verilog编写的16qam调制程序,将所有东西装入工程,运行mmm16主程序。其中载波为一个周期采十个点,并乘以2^8-1取整数。在quartusII运行通过。-verilog modulation procedures 16qam prepared all things into works mmm16 to run the main program. One carrier for a cycle of 10 points taken, and multiplied by an inte
OFDM_Final_Report
- A MATLAB program has been written to investigate Orthogonal Frequency Division Multiplexing (OFDM) communication systems. This program is valuable for future researchers simulating systems that are too theoretically complex to analyze. Single-car
Bit_error_rate_performance_of_lightwave_hybrid_AM_
- 摘 要:本文分析了在限幅噪声和高斯噪声环境下,在HFC 网中混合传输AM/ OFDM信号时的误 码特性,并与单载波AM/ QAM系统进行比较,结果表明OFDM系统由于多个子通道的稀释作用,其 抗限幅噪声性能比单载波系统好。 关键词:正交频分复用 HFC 网 限幅噪声 误码率-Abstract :Theoretical analysis is presented for the BER performance of hybrid AM/ OFDM system in the pres2
SysgenQAM16Demodulation
- 采用Xilinx的Sysgen工具建立的16QAM调制解调模型,其中包括信源生成、多普勒频偏、载波跟踪环路等。-Established by the use of Simulink model of 16QAM modulation and demodulation, including source generation, Doppler shift, such as carrier tracking loop.
IEEEXplore[5]
- High-Performance 64-QAM OFDM via Carrier Interferometry Spreading Codes.
cs_4
- QAM载波跟踪程序,用matlab写的,小程序,很实用,可以-QAM carrier recovery
OFDM
- 该模型实现了一个通用的OFDM TX和RX,这是不依赖于任何特定的行业标准。该模型的目标是开发和研究不断(不是“突发”)载波同步和定时跟踪方案。该技术纳入然后可以扩展和修改,以标准的具体通讯套件。该模型采用了“收购”技术,它利用了循环前缀相关属性,以赶在试图完成罚款跟踪算法一帧的边界粗略的估计。该模型实现了一个16点64循环前缀的OFDM载波波形。在OFDM符号有16个飞行员,3后卫音(0,带边幅),并使用45 QAM的剩余数据流4。 这包括最新型的衰落信道,误码率计算,并
16_QAM
- 16QAM 升余弦 高频载波 AWGN信道 最佳接收-Raised cosine frequency carrier 16QAM AWGN channel for best reception
QAMXIANGP
- 本程序仿真了16QAM信号的载波相偏估计的HOS算法,整个算法实现分为(1)模拟发送端发送16QAM信号;(2)加入相偏来模拟通过信道后有相偏的测试信号;(3)利用HOS算法进行相偏估计与纠正;(4)输出星座图。-This procedure simulated a 16QAM signal carrier phase offset estimate of the HOS algorithm, the algorithm is divided into (1) analog transmitte
QAM16_demo
- This a demonstration for 16QAM. It is a Simulink model, including hardware implementation on Xilinx FPGA for adaptive equalizer and carrier recovery. -This is a demonstration for 16QAM. It is a Simulink model, including hardware implementation on Xil
OFDM_64_16QAM
- 这个OFDM系统仿真较基础,没有考虑多径情况;<br>该程序实现的是64载波的16QAM调制,根据程序可以依葫芦画瓢搞成其他的M路载波情况;<br>这又是我们做课程设计的程序,希望对大家有用。-The more basic OFDM system simulation, without considering multipath situation <br> Implementation of the program is a 64-carrier 16QA
highorder-QAM-carrier-recovery-2001
- 一篇高阶QAM(256阶)载波恢复的外文文献,提出了一种极性判决和判决引导的双模式载波恢复方法-a paper about carrier recovery of high order QAM signals
Design of Digital Simulation system for QAM
- The digital simulation system using MATLAB to illustrate the Quadrature Amplitude Modulation (QAM). QAM is a modulation scheme to convey two digital bit streams which can be converted to symbol signals by modulating the amplitudes and the phase of