搜索资源列表
jakes_simulator
- 考虑由于多普勒原因引起的衰落对在离散多径信道上传输的QPSK信号的影响-Consider the causes of the decline due to Doppler discrete multipath channel in the transmission of QPSK signals
code_lab_two
- The effects of multipath include constructive and destructive interference, and phase shifting of the signal. This causes Rayleigh fading, named after Lord Rayleigh. The standard statistical model of this gives a distribution known as the Rayleigh
ofdm_dab
- ofdm&dab讲义,很不错的资料，讲的还比较详细。-• Introduction – What is OFDM? – Multipath fading radio-channel • Principle of OFDM • OFDM Implementation and System Model • Advantages and Disadvantages • OFDM in Practice •
DABreceiver
- DAB接收机，包括信道解码的资料。DAB系统中载波频偏估计等。 -The Digital Audio Broadcasting (DAB) system promises to provide CD-quality sounds and flexible data services to mobile, portable and fixed receivers. In order to achieve high quality in multipath environment
alowcomplexitydecodingarithmforOSTBCinfrequencycho
- 频率选择性衰落信道中一种低复杂度的正交空时分组码译码算法。该方案借鉴D-BLAST系统的检测方法，采用干扰抵消和干扰置零方法消除多径干扰，从而有效地检测出期望信号，译码复杂度低。有创新，希望给研究OSTBC译码的同志带来帮助。-Frequency-selective fading channel a low-complexity orthogonal space-time block code decoding algorithm. The program builds on D-BLAST s
cdmaofdm
- Basics of OFDM and CDMA. The IEEE 802.11a standard. Physical Layer Challenges. Multipath causes signal fading - constructive and destructive addition.
mp2_fig
- multipath data obtained after processing TEQC toolkit
multiamp
- Effect of multipath on COFDM signal. This simulates the effect of a single multipath signal as the amplitude of the reflected signal is varied. The reflected signal has a constant delay of 400 samples, while the reflected signal power
multisingle2
- Effect of multipath on COFDM signal. This simulates the effect of a single reflection multipath signal which is 3dB weaker then the direct signal. The scr ipt which runs the simulation is simmulti.m. However it does not generate the en
ofdm
- 用matlab写的关于OFDM抗多径的仿真代码，里面涉及到了许多OFDM仿真验证过程中用到的代码实现-Using matlab to write about anti-multipath OFDM simulation code, which involves a number of OFDM simulation code used in the process of realization
ZHAO_OFDM
- 这个程序除了接收机同步、信道编码没有加入外，基本上反映了一个OFDM系统的特性： 1. qpsk/16qam/64qam映射、解映射 2. OFDM调制解调（循环前缀，FFT等） 3. 非整数采样时刻多径时延的多径信道 4. Rayleigh或者Rician多径信道 5. 信道的连续时变（非block fading） 6. 线性插值信道估计 7. FFT变换域插值信道估计-In addition to this program receiver synchroniza
matlab
- the folder contains 5 files, related to different contexts. There are 3 files dealing with antennas :1 is for the reading of a .ant file, another for a .msi file and the last one regarding the computation of the array factor. The last 2 files ins
mobile_channel
- 地面移动卫星信道仿真程序 考虑雨衰 阴影 和多径影响-Land mobile satellite communication channel simulation program to consider the shadow of rain attenuation and multipath effects
dple
- 多普勒效应分析及模拟 详细分析了多配了效应得情形。用MATLAB模拟并得到频移图谱-Multipath and Doppler Effects and Models
dshift
- Doppler Frequency Shift (single path) multipath signals emit from the source at different angles and arrive at the observer at different angles. Thus, Doppler shifts of different arrivals are usually different from one another.-multipath signal
DVB_H_channel
- This files are about multipath channel simulator for the DVB-H system. Basic QAM modulation and demodulation module are included and channel estimation is also included.
channel
- FIR model to use for the multipath delay. e.g. Multi=[1 0 0 0 0.5], has the direct signal at time 0, and a single reflection of 50 strength of the direct signal at a delay of 4 samples. MISC: 1. Over-Sampling: This sets the am
demodpsk
- FIR model to use for the multipath delay. e.g. Multi=[1 0 0 0 0.5], has the direct signal at time 0, and a single reflection of 50 strength of the direct signal at a delay of 4 samples. MISC: 1. Over-Sampling: This sets the am
ofdm
- 这是一个测试OFDM的文本文件。你会看到，OFDM可以更好地处理多径信道。-This is a text file for testing OFDM. You will see that OFDM can handle multipath channels much better than QAM.
fade_diversity
- 该函数用于多径瑞利信道仿真，其中y为输出信号-Multipath Rayleigh Channel