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CP_adder
- 用verilog 语言实现数字通信中最先进的技术之一中的OFDM技术中的添加循环前缀，可以减少码间干扰，并实现符号同步-a great complied code of cyclic prefix for OFDM which is good for intersymbol interference and inter channel interference
Dec_mul
- 时间同步后即可确定每帧数据的起始位置，这样就能完整的截取下每一帧。但是，数据中还带有频偏信息。在常规的通信系统中，多普勒很小仅仅会带来很小的频偏，但是在大多普勒的情况下，频偏将非常大，20马赫的速度将会带来将近34K的频偏。因此，如何很好的纠正频偏即为本系统的难点。 OFDM中，我们将大于子载波间隔倍数的频偏称为整数倍频偏，而将小于一个子载波间隔的频偏称为小数倍频偏。频偏矫正精度只要能保证小于十分之一倍的子载波间隔，频偏就不会对均衡和解调造成影响。本文中我们借鉴这种思想，由于硬件资源限制，我
ofdm22
- ofdm modem in vhdl.....................
QPSK_fpga
- Verilog实现的QPSK调制，供OFDM调制系统使用！采用相位选择法。-Verilog QPSK modulation implementation, for the use of OFDM modulation system!The phase selection method is adopted.
s_to_p_fpga
- 采用Verilog编写的串并转换模块，可以用在MPSK调制和OFDM调制系统中。-Use Verilog write string and conversion module, which can be used in MPSK modulation and OFDM modulation system.
Puncture
- OFDM编码技术中，删余模块的编码，包括了2/3和3/4-OFDM coding, the coding puncturing module, including 2/3 and 3/4
ofdm_4096_OK_v2
- OFDM 4096 codes using FFT4096
Frame_Detection
- OFDM系统的帧检测模块，根据802.11a标准，利用前导的相关性进行的设计，综合仿真及在线调试已通过。-Ofdm frame detection module is very important and verilog difficult to realize in OFDM system.
16qam
- OFDM的16QAM调制与解调,有说明，有需要的朋友可以看看，个人著作-OFDM 16QAM
64QAM_peng
- OFDM的64QAM调制，包含fft 星座映射 还有解调-OFDM-64QAM modulation, demodulation still contain fft constellation mapping
BPSK_peng
- OFDM的BPSK调制与解调,有说明，有需要的朋友可以-OFDM BPSK modulation and demodulation, a note, a friend in need can look
QPSK_peng
- OFDM的QPSK调制与解调,有说明，有需要的朋友可以-OFDM QPSK modulation and demodulation, a note, a friend in need can look
BPSKQPSK16QAM64QAM
- OFDM的调制与解调,有说明，有需要的朋友可以看看，个人著作-OFDM modulation and demodulation, a note, a friend in need can see, personal writings
short_generator
- OFDM的短序列verilog语言，802.11a的标准-OFDM short sequence verilog language, 802.11a standard
data_64QAM_map
- OFDM的64QAM星座映射，测试通过，但在时钟方面有待改进-64QAM constellation mapping of OFDM, the test passes and the clock to be improving
RECEIVER
- 此程序为基于OFDM的802.11a的接收端的VERILOG代码，包含所有模块。-This program is VERILOG code receiving end 802.11a OFDM-based, including all modules.
TRANSMITTER
- 此程序为基于OFDM的802.11a的发送端的VERILOG程序，包含所有模块。-This program is VERILOG program sender 802.11a OFDM-based, including all modules.
Transmitter
- 基于hdl的ofdm基带处理器发射机的设计与实现 包括 工作时钟 主控单元 导频插入 长短训练序列生成 data符号调制 循环前缀与加窗处理 IFFT/FFT 信道编码 扰码模块等-Hdl of ofdm transmitter baseband processor based design and implementation including work clock master unit pilot insertion length of the training sequence g
QAM-16-OFDM_Module
- QAM16-verilog code for OFDM module. includes mapping design
of
- VHDL源码OFDM信号传输系统基于FPGA(Field-Programmable Gate Array)-VHDL source OFDM signal transmission system based on