搜索资源列表
offset_long
- MATLAB环境下基于OFDM系统的前导序列中短训练序列的误差估计仿真程序-the offset of the long training secquence of preamble
global_parameter
- WLAN仿真-系统参数配置 系统参数主要分为2类: 一类是可以配置的,可以根据使用者的需求改变的参数 1)你打算让这个仿真跑多少个OFDM符号? 2)你打算采用什么样的调制方式? 3)你打算让你的系统跑在什么样的环境下,AWGN?Rayleigh fading? 4)你的接收端采用什么样的配置,比如,是否采用理想均衡,线性插值均衡,理想同步,频偏纠正等等? 5)你的信道采样频率是多少?你的载波频率是多少? 一类是固定不变的,发送端按照协议规定设置
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
TX_generatePreamble
- this code is for Wimax(ieee standard 802.16) and other ofdm based transmitter and makes preamble for their training frames to make synchronization easier.
sermse
- OFDM 系统信噪比估计,matlab源代码-OFDM system, SNR estimation, matlab source code
offset_short
- MATLAB环境下基于OFDM系统的前导序列中短训练序列的误差估计仿真程序-the offset of the short training sequence of preamble
frequencyoffsetfromanOFDMshortpreamble
- Frequency offset estimation in 802.11a OFDM preamble
OFDM-frame-synchronization
- 基于能量差分的ofdm帧同步算法matlab程序,可以运行-OFDM frame synchronization based on energy difference of the received preamble,can run
OFDM-Carrier-Sync
- OFDM系统中提出一种改进方法对频偏的捕获, 在联合使用9个短前导序列和长前导序列估计算法的基础上,采用鉴频环路的方法来消除算法中的除法和取模运算 -OFDM system in an improved way of deviation of the capture, in the joint use of nine short leader sequence and the long preamble sequence estimation algorithm, based on the fr
FreqOffset_OFDM
- scr ipt for computing the frequency offset from an OFDM short preamble constructed per symbol IEEE 802.11A specifications. -scr ipt for computing the frequency offset from an OFDM short preamble constructed per symbol IEEE 802.11A specifications.
MIMO-OFDM-Systems-Based-on-Preamble-
- MIMO OFDM 技术将成为第4 代移动通信系统的关键技术, 因MIMO OFDM 对时间和频率偏移非常敏感, 因此MIMO OFDM 同步显得尤为重要。提出了一种新的MIMO OFDM 定时同步和频偏同步技术。以GCL 序列为基础设 计了一个新的符合MIMO OFDM 同步技术的导频序列, 通过对该导频序列进行2 次相关得到频率估计, 并将所得频率 运用到定时同步中, 得到更为准确的时间估计
04231672
- 电力线上关于前导符号的信道估计技术,外文版-Preamble-based channel estimation echniques for OFDM/OQAM over the powerline
IFFT64
- IFFT 基于matlab实现,可用于OFDM前导训练序列的生成-IFFT OFDM preamble training sequence can be used to generate based on matlab implementation
Synchronization-Technology-of-OFDM
- 一种新的符号定时和载波频率同步算法,该算法将OFDM符号分成几部分。它使用相关性和积累在几个OFDM同步算法对OFDM系统基于试点,使用前言快速、准确获取信号,在有限的时间建立同步,利用导频跟踪同步信息-A new symbol timing and carrier frequency synchronization algorithm is presented and the algorithm divides the OFDM symbol into several parts. It us
Time-Frequency-Multiplex-Preamble-Design-CFO-in-O
- Time Frequency Multiplex Preamble Design for Joint I1Q Imbalance, CFO and Channel Estimation in OFDM Systems IEEE Paper
frequencyoffsetestimateofdm
- scr ipt for computing the frequency offset from an OFDM short preamble
1-s2.0-S1877705812002007
- Three Timing Synchronization Methods Based on Two Same Preambles for OFDM Systems The purpose of this paper is to propose two fast timing synchronization methods of OFDM System which has two preamble symbols, the two preamble symbols are used for S
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
Preamble-detection
- 可实现OFDM电力载波通信的前导序列检测,能进行连续多个前导检测-Can achieve OFDM power carrier communication leading sequence detection, can carry out a number of continuous preamble detection
OFDMpreambleGeneration
- OFDM preamble generation