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Parallel LDPC Decoder Based on Low-Complexity Corrected Min Sum Algorithm
会议论文
Suzhou, China, 2022-4-23
作者:
Sun, Yisong
;
Li, Huan
;
Zhang, Xinyu
;
Guo, Chen
;
Liu, Zijun
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2022/06/14
5G
LDPC decoder
LCC-MS
UCP
Modulated optical signal detection based on cross-correlation algorithm
会议论文
Beijing, China, 2021-06-20
作者:
Zeng, Ke
;
Han, Junfeng
;
Wang, Haitao
;
Wang, Chen
;
Xie, Xiaoping
收藏
  |  
浏览/下载:25/0
  |  
提交时间:2022/01/30
Space laser communication
Modulated optical signal
Cross-correlation algorithm
Extremely low SNR
Wide-range frequency offset estimation method for a coherent optical FBMC/OQAM system
会议论文
Xi'an, China, August 6, 2019 - August 9, 2019
作者:
Wang, Daobin
;
Chen, Bo
;
Chong, Handan
;
Liu, Junjie
;
Yuan, Lihua
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2020/11/15
Bit error rate
Frequency allocation
Interpolation
Modulation
Photonics
Cubic-spline interpolation
Filter-bank multicarrier
Fractional frequency offset
Frequency offset estimation
Integer frequency offset
Laser frequency
Numerical simulation experiment
Offset quadrature amplitude modulations
Wide-Range Frequency Offset Estimation Method for a Coherent Optical FBMC/OQAM System
会议论文
作者:
Wang, Daobin
;
Chen, Bo
;
Chong, Handan
;
Liu, Junjie
;
Yuan, Lihua
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2020/06/16
Filter bank multicarrier modulation
Offset quadrature amplitude modulation
Laser-frequency offset
A novel concatenated coding scheme combined LDPC and VBLAST for FSO links
会议论文
Chengdu, China, June 6, 2015 - June 7, 2015
作者:
Wang, Huiqin
;
Wang, Fen
;
Cao, Minghua
收藏
  |  
浏览/下载:13/0
  |  
提交时间:2020/11/15
Bells
Bit error rate
Concatenated codes
Data communication equipment
Fading channels
Forward error correction
Iterative decoding
Mean square error
Monte Carlo methods
Optical communication
Turbo codes
Belief propagation decoding algorithms
Concatenated coding
Free Space Optical communication
Free-space optical
Low density parity check
Low-density parity-check (LDPC) codes
Minimum mean square errors (MMSE)
Vertical Bell Labs layered space time
A Novel Concatenated Coding Scheme Combined LDPC and VBLAST for FSO Links
会议论文
作者:
Wang, Huiqin
;
Wang, Fen
;
Cao, Minghua
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2019/11/15
Free-space Optical
concatenated coding scheme
Low Density Parity Check
vertical Bell Labs layered space-time
Research on adaptive optics in satellite-to-ground laser communication
会议论文
Proceedings of SPIE: Photonics and Optolectronics Meetings (POEM) 2011: Optical Communication Systems and Networking, 2012
作者:
Chen, Erhu
;
Cheng, Hongwei
;
Li, Xinyang
;
Wu, Yunyun
;
Xiong, Zhun
收藏
  |  
浏览/下载:11/0
  |  
提交时间:2016/11/24
An improved LLR approximation algorithm for low-complexity MIMO detection towards green communications
会议论文
作者:
Ma, Ruijuan
;
Ren, Pinyi
;
Zhang, Chao
;
Du, Qinghe
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2019/12/10
16QAM modulation
Approximation scheme
Bit error rate (BER) performance
Bit flipping
Block error rates
Coded MIMO systems
Efficient detection
Error performance
Green communications
High spectral efficiency
LLR approximation
Log-likelihood ratios
Look up table
Low-complexity
MIMO detection
MIMO multiplexing
Schnorr-Euchner
Simulation evaluation
Soft output
Stable throughput
Symbol error rates
Tree search
Turbo coding
UNCODED
Wireless communication system
A new approach to realize UART (EI CONFERENCE)
会议论文
2011 International Conference on Electronic and Mechanical Engineering and Information Technology, EMEIT 2011, August 12, 2011 - August 14, 2011, Harbin, China
Wang Y.
;
Song K.
收藏
  |  
浏览/下载:23/0
  |  
提交时间:2013/03/25
In order to connect DSP which has synchronous serial ports to the devices implementing asynchronous communications protocol
a method to implement UART communications based on programmable logic device is proposed in the paper. In the proposed method
the core function of UART is integrated in CPLD with VHDL. Firstly
UART data frame format and operational principle of UART were introduced after reviewing some methods to realize UART. The methods to implement UART transmitter
UART receiver and baudrate generator using VHDL were illustrated in detail. Then pre-simulation and synthesize of VHDL program were executed. Finally
the test with bit error rate was carried out on physical system. Experimental results indicate that 75 percent of the GLB are used by UART
and the bit error rate is less than 109. The experiment was implemented utilizing the RS-422 protocol and the baudrate is 62.5kb/s. The proposed method can satisfy the system requirements of high integration
stabilization
low bit error rate
strong anti-jamming and low cost. 2011 IEEE.
基于链路容量的MANET流媒体传输方法
会议论文
第一届建立和谐人机环境联合学术会议(HHME2005)论文集, 第一届建立和谐人机环境联合学术会议(HHME2005), 中国昆明, CNKI, 中国计算机学会、中国图象图形学学会、ACM SIGCHI中国分会、清华大学计算机科学与技术系
房胜
;
李旭健
;
梁永全
;
钟玉琢
;
FANG Sheng
;
LI Xu-Jian
;
LIANG Yong-Quan
;
ZHONG Yu-Zhuo
收藏
  |  
浏览/下载:4/0
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