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OFDM
- 数,都需要通过导频序列来获取同步信息,而且为了达到更好的均衡效果,OFDM 系统也要进行简单的频域均衡。此外,OFDM与SC.FDE的帧格式也十分相似,都 需要添加CP(SC.FDE采用UW)来吸收前面帧的干扰并满足循环卷积特性。 由于OFDM在结构和原理上都与SC.FDE十分相近,可以设计一种双模式系统。 双模式系统仅仅改变IFFT模块在发送端和接收端的位置就可以同时支持两种系统传 输。两种系统都可以通过编码、自适应调制和空间分集提高性能。而且,
mmse仿真
- MMse信道估计数,都需要通过导频序列来获取同步信息,而且为了达到更好的均衡效果,OFDM 系统也要进行简单的频域均衡。此外,OFDM与SC.FDE的帧格式也十分相似,都 需要添加CP(SC.FDE采用UW)来吸收前面帧的干扰并满足循环卷积特性。 由于OFDM在结构和原理上都与SC.FDE十分相近,可以设计一种双模式系统。 双模式系统仅仅改变IFFT模块在发送端和接收端的位置就可以同时支持两种系统传 输。两种系统都可以通过编码、自适应调制和空间分集提高性能。而且,
Using_the_Cyclic_Prefix
- 这篇文章详细介绍了CP在OFDM系统中的使用-Detailed information on CP in the OFDM system using
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
The-simulation-of-OFDM-systems
- 正交频分复用(OFDM) 是第四代移动通信的核心技术。该文首先简要介绍了OFDM基本原理,重点研究了理想同步情 况下,保护时隙(CP) 和不同的信道估计方法在高斯信道和多径瑞利衰落信道下对OFDM系统性能的影响。在给出OFDM系 统模型的基础上,用MATLAB语言实现了整个系统的计算机仿真并给出参考设计程序。最后给出在不同的信道条件下,保 护时隙、信道估计方法对OFDM系统误码率影响的比较曲线,得出了较理想的结论。-Orthogonal frequency division mult
STUDY AND ANALYSIS OF TIMING OFFSET ESTIMATION METHODS IN OFDM SYSTEMS
- OFDM is a multi-carrier transmission technique. It converts the frequency selective fading channel into a collection of parallel flat fading sub-channels which simplifies the structure of a receiver. OFDM has been widely used in communication system
SISOOFDM
- Code matlab cp-ofdm in siso case with wran channel parameters
paper2
- Preamble-Based Channel Estimation for CP-OFDM and OFDMOQAM Systems A Comparative Study
AAA
- In this letter, we propose a simple orthogonal frequency-division multiplexing (OFDM) scheme for an asynchronous cooperative system, where OFDM is implemented at the source node, and time-reversion and complex conjugation are implemented at the rel
HW4
- A 16-QAM signal X, whose power is normalized as unity, is transmitted with OFDM over the discrete-time channel model h which has been used in Homework #2 and #3. As depicted in the below figure, the transmitter (TX) is now equipped with an N-point ID
OFDMConts
- OFDM的详细代码,分别是zp和cp的pfdm,对学习很有帮助。信道是rayleigh信道-OFDM detailed codes, which are ap and cp of pfdm, learning helpful.
AAA
- In this letter, we propose a simple orthogonal frequency-division multiplexing (OFDM) scheme for an asynchronous cooperative system, where OFDM is implemented at the source node, and time-reversion and complex conjugation are implemented at the rel
gmhwp
- ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块,单径或多径瑞利衰落信道仿真,包括邓氏关联度、绝对关联度、斜率关联度、改进绝对关联度。- ofdm system simulation including 16qam modulation fft windowing modules plus cp, Single path or multipath Rayleigh fading channel simulation, Including Deng s correlation, ab
0755
- 包括最小二乘法、SVM、神经网络、1_k近邻法,采用加权网络中节点强度和权重都是幂率分布的模型,ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。- Including the least squares method, the SVM, neural networks, 1 _k neighbor method, Using weighted model nodes in the network strength and weight are power law distribu
gm163
- 是国外的成品模型,ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块,各种资源分配算法实现。- Foreign model is finished, ofdm system simulation including 16q
fiu-V6.6
- 包含位置式PID算法、积分分离式PID,最大信噪比的独立分量分析算法,ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。- It contains positional PID algorithm, integral separate PID, SNR largest independent component analysis algorithm, ofdm system simulation including 16qam modulation fft windowing mo
yuuiu
- 语音信号的采集与处理,数字信号处理课设,经典的灰度共生矩阵纹理计算方法,ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。- Acquisition and Processing of the speech signal, digital signal processing class-based, Classic GLCM texture calculation method, ofdm system simulation including 16qam modulation f
phmxm
- 实现六自由度运动学逆解算法,分形维数计算的毯子算法matlab代码,ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。- Six degrees of freedom to achieve inverse kinematics algorithm, Fractal dimension calculation algorithm matlab code blankets, ofdm system simulation including 16qam modulation fft wi
xtscj
- 使用混沌与分形分析的例程,ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块,采用的是脉冲对消法。- Use Chaos and fractal analysis routines, ofdm system simulation including 16qam modulation fft windowing modules plus cp, It uses a pulse of consumer law.
pc540
- 一个计算声子晶体结构的一维传递矩阵法,ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块,分析了该信号的时域、频域、倒谱,循环谱等。- A one-dimensional transfer matrix method to calculate the phonon crystal structure, ofdm system simulation including 16qam modulation fft windowing modules plus cp, Analysis of