【摘 要】
：
Dear editor,rnPolar codes,along with a low complexity successive cancel-lation(SC)decoding,were discovered in[1]by Arikan.It is shown in[2]that the bit errors with the SC decoding are correlated.To improve the performance,other decod-ing techniques[3,4]an
【机 构】
：
Key Laboratory of Intelligent Computing and Signal Processing of the Ministry of Education of China,
论文部分内容阅读
Dear editor,rnPolar codes,along with a low complexity successive cancel-lation(SC)decoding,were discovered in[1]by Arikan.It is shown in[2]that the bit errors with the SC decoding are correlated.To improve the performance,other decod-ing techniques[3,4]and concatenation schemes[5,6]were studied.In this study,the theoretical aspects of the error correlation are investigated to improve the decoding perfor-mance of polar codes.This is the first attempt to utilize the error correlation to improve the performance of polar codes.
其他文献
Dear editor,rnAs a consequence of symmetry arguments,the memristor was predicted by Chua[1].As the fourth basic circuit element,its memory characteristic and nanometer dimen-sions are devoid of resistors,capacitors,and inductors.In the field of the dynami
Belief propagation (BP) decoder is a low decoding latency algorithm for polar codes.However,the block error rate (BLER) performance of the BP decoder is inferior to the cyclic redundancy check (CRC)aided successive cancellation list (CA-SCL) decoder with
Time difference of arrival (TDOA) and frequency difference of arrival (FDOA) are widely adopted for passive bi-satellite positioning system (BPS) localization.Although TDOA/FDOA localization counter-measures have received much attention,different from exi
Dear editor,rnGait training has been proved effective for recovery of walk-ing ability for nerve injury patients caused by stroke,spinal cord injury(SCI),traumatic brain injury(TBI),etc.The traditional gait training methods,usually carried out by hands,ar
Titanium alloys are composed of α and β phases and are classified as near α,dual-phase α+β,and β types.This study attempts to derive their general composition formulas within the cluster-plus-glue-atom model by interpreting Ti-6Al-4V and other popular dua
Dear editor,rnPower line communication(PLC)is treated as a retrofit technology,transmitting messages via conductors without extra infrastructure,which reduces the cost of implemen-tation and maintenance[1].Therefore,PLC is extensively adopted in smart gri
Gifted children are able to learn in a more advanced way than others,probably due to neurophysiological differences in the communication efficiency in neural pathways.Topological features contribute to understanding the correlation between the brain struc
Dear editor,rnCondition-based maintenance(CBM)is a popular mainte-nance program for degrading components and can recom-mend maintenance decisions based on the condition moni-toring(CM)information[1].In CBM applications,a widely adopted assumption is that
Superior anti-icing and active deicing multifunctional surfaces are highly desired in outdoor infrastructure and work of aircraft,automobiles,wind turbines,power transmission,etc.Herein,inspired by microstructures and functions of natural opal and Nepenth
Dear editor,rnMetasurfaces have been proposed and investigated in the past years owing to their unique advantages in controlling electromagnetic(EM)waves.By adjusting the phase and amplitude of EM waves,we can achieve the desired func-tions based on metas