搜索资源列表
OFDM_CP
- ofdm系统的matlab实现，包括插入导频信号和循环前缀-Matlab implementation of ofdm system, including inserted pilot frequency signal and the cyclic prefix
send
- 参考3GPP相关标准并根据LTE技术特征和关键特性，对下行链路级进行设计，包含以下步骤：比特生成、CRC校验、码块分割、编码、速率匹配、码块级联、加扰、调制、层映射、预编码、资源映射、OFDM符号生成和天线映射。为模拟无线传输信道，还需仿真相应的信道模型。收端则是发端的严格逆过程，对接收信号进行一系列处理，得到代表原始发送的信息并判决。-References 3GPP LTE technology standards and in accordance with characteristics
simulink
- 关于通信系统的simulink仿真，包括基本介绍，数字信号传输，信道编码，OFDM方式，MIMO系统仿真-On the communication system simulink simulation, including a basic introduction to digital signal transmission, channel coding, OFDM mode, MIMO system simulation
Desktop
- ofdm发送端和接收端，根据短训练字的特性进行相关运算，进行信号到达检测，当检测到相关值大于门限一定次数后，认为有信号到达。-ofdm sending end and receiving end, according to the characteristics of the short training word correlation operation, the signal reaching the detector, when the detected correlation valu
PAPR_Reduction_ACE_POCS
- 代码中描述了用星座图扩展法（Active Constellation Extension，ACE）降低OFDM时域信号的PAPR，ACE的具体算法是凸集映射（Projection Onto Convex Sets，POCS）-These codes describe PAPR reduction using Active Constellation Extension (ACE). The detailed algorithm is Projection Onto Convex Sets (PO
MIMOOFDM
- MIMO-OFDM系统信道估计算法研究(LS,LMMSE),对受加性高斯白噪声干扰，多径效应影响的信号，仿真研究MIMO-OFDM的性能-A Study on the Channel Estimation Algorithms of MIMO-OFDM System
CPP
- 降低峰均比的有效集方法.预留子载波方法的主要思想是利用预留的、不承载数据信息的子载波产生消峰信号，使消峰信号与数据信号中较大峰值相减，以此降低OFDM系统的峰均比。传统的TR算法实现简单，但不能有效降低系统的PAPR，而且需要较多的子载波。在结合传统的TR算法和一些改进的TR算法的优点基础上，分析了那些改进的TR技术降低PAPR的原理。-active set method of reducing PAPR
Main_Soft
- OFDM，信号调制，信道估计算法的比较，准则，代码-OFDM, signal modulation, channel estimation algorithm comparison, guidelines, codes
SLM-for-PAPR-
- 在OFDM系统中降低峰均比的方法中，用改进的SLM算法来降低峰均比，使信号有效传输-A Modified SLM Scheme for PAPR Reduction
OFDM_CHANNEL_Estimaton
- 程序详细地介绍了OFDM系统中导频信号信道估计的作用，适用于快衰落信道，能够快速跟踪均衡信道，同时包含一个详细介绍算法（LS MMSE）的算法文档。-Procedures described in detail in the pilot signal OFDM system channel estimation role for fast fading channels, fast track channel equalization, and contains a detailed algor
UWBPGPS_with_adaptive-filtering
- UWB超宽带系统以OFDM作为其核心技术，本程序拥有从发送到接受以及信道模型等全部程序；同时，又有GPS信号自适应滤波系统来消除已知频率的噪声，提高了误码率。-UWB OFDM UWB system as a core technology, this procedure has from the entire program is sent to the receiving and channel models Meanwhile, another GPS signal adaptive f
Improved-Target-Detection-
- 提高目标检测通过的OFDM雷达信号频率分析-Improved Target Detection through OFDM Radar Signals Frequency Analysis
xiaoyue
- QAM-OFDM调制解调,描述了原始信号经过QAM调制后又进行OFDM调制，最后经过高斯信道，解调的过程-QAM-OFDM modulation and demodulation
OFDM1
- 这个matlab程序主要介绍的而是OFDM调制过程，主要设置了符号数，载波数，循环前缀大小，对信号进行了IFFT变换，串并转换等。-The matlab program introduces the OFDM modulation process but the main set of symbols, the number of carriers, cyclic prefix size, the signal of the IFFT transform, string and conversi
cumulants
- 基于高阶累积量,从FSK、OFDM、ASK(PAM)、PSK( )和QAM信号集合中识别出FSK。-Based on higher-order cumulants, identified from FSK FSK, OFDM, ASK (PAM), PSK () and QAM signals collection.
comb_pilot_ofdm
- 快状导频信号信道估计 ofdm原理 信道估计算法详细介绍-Fast-shaped pilot signal channel estimation ofdm channel estimation algorithm principle described in detail
fangdaqi
- 由于一般的功率放大器不是线性的，且动态范围是有限的，所以当OFDM系统内这种变化范围大的信号通过非线性部件时，信号会产生非线性失真。- As the general power amplifier is not linear, and the dynamic range is limited, so that when a large range of variation within an OFDM system, the nonlinear signal components, t
bishezongjie
- 在OFDM系统 中，宽带信道被分割相互重叠的窄带子信道，如果各子信道 的带宽比信道的相干带宽要小，那么信号传输就有可能在无 频率选择性衰落或者平坦衰落的信道进行。-In OFDM system The wideband channel is divided into narrowband sub-overlapping, if each sub- The bandwidth is less than the coherence bandwidth of the channe
PN_LMS_ECHOcanceller
- 基于PN序列的数字直放站中回波抵消matlab实现代码，信号源采用OFDM调制信号，并有详细的注释说明，可以供大家参考借鉴-Digital repeater stations based on PN sequence in echo offset matlab code, signal source using OFDM modulation signal, and a detailed annotation, can for your reference
SLM
- OFDM无线系统中，一种有效降低PAPR的方法，基于随机性高的特点，获得相关性很低的通信信号-OFDM wireless system, a method for effectively reducing PAPR, based on the probabilistic characteristics of high correlation of the communication signal to obtain a low