14 papers · ranked by Valyu relevance
Alireza Tasdighi, Mansoor Yousefi, Jun Chen
Weighted belief propagation (WBP) for the decoding of linear block codes is considered. In WBP, the Tanner graph of the code is unrolled with respect to the iterations of the belief propagation decoder. Then, weights are assigned to the edges of the resulting recurrent network and optimized offline using a training…
Mehdi Adibi, James S. McDonald, Colin W. G. Clifford, Ehsan Arabzadeh + 1 more
'Ehsan Arabzadeh' 'Olaf Sporns'] Sensory information is encoded in the response of neuronal populations. How might this information be decoded by downstream neurons? Here we analyzed the responses of simultaneously recorded barrel cortex neurons to sinusoidal vibrations of varying amplitudes preceded by three adapting…
Chao Huang, Andrey Resnik, Tansu Celikel, Bernhard Englitz + 1 more
'Matthias Bethge'] Neural processing rests on the intracellular transformation of information as synaptic inputs are translated into action potentials. This transformation is governed by the spike threshold, which depends on the history of the membrane potential on many temporal scales. While the adaptation of the…
Shizhe Wu, Kinkini Bhadra, Anne-Lise Giraud, Silvia Marchesotti + 1 more
'Ateke Goshvarpour'] Brain-Computer Interfaces (BCIs) aim to establish a pathway between the brain and an external device without the involvement of the motor system, relying exclusively on neural signals. Such systems have the potential to provide a means of communication for patients who have lost the ability to…
Xiumin Wang, Jinlong He, Jun Li, Zhuoting Wu + 2 more
Although the adaptive successive cancellation list (AD-SCL) algorithm and the segmented-CRC adaptive successive cancellation list (SCAD-SCL) algorithm based on the cyclic redundancy check (CRC) can greatly reduce the computational complexity of the successive cancellation list (SCL) algorithm, these two algorithms…
Yansong Lv, Hang Yin, Zhanxin Yang, Yuhuan Wang + 2 more
'T. Aaron Gulliver'] Designing an efficient decoder is an effective way to improve the performance of polar codes with limited code length. List flip decoders have received attention due to their good performance trade-off between list decoders and flip decoders. In particular, the newly proposed dynamic successive…
Hao Wang, Wei Zhang, Yanyan Chang, Jiajing Gao + 2 more
'Jerry D. Gibson'] A novel time-varying channel adaptive low-complexity chase (LCC) algorithm with low redundancy is proposed, where only the necessary number of test vectors (TVs) are generated and key equations are calculated according to the channel evaluation to reduce the decoding complexity. The algorithm…
Li Deng, Zhiping Shi, Yixin Wang, Xiaoxi Yu + 4 more
'Zhiping Xu' 'Eduard Jorswieck' 'Lu Wei'] Joint source channel anytime coding (JSCAC) is a kind of joint source channel coding (JSCC) systems based on the causal spatially coupled coding and joint expanding window decoding (JEWD) techniques. JSCAC demonstrates greatly improved error correction performance, as well as…
Li Deng, Kai Tao, Zhiping Shi, You Zhang + 5 more
In this paper, some optimized encoding and decoding schemes are proposed for the generalized LDPC convolutional codes (GLDPC-CCs). In terms of the encoding scheme, a flexible doping method is proposed, which replaces multiple single parity check (SPC) nodes with one generalized check (GC) node. Different types of BCH…
Kehinde Ogunyanda, Opeyemi O. Ogunyanda, Thokozani Shongwe, Jun Chen
In this paper, we propose a novel approach to enhance spectral efficiency in communication systems by dynamically adjusting the mapping between cyclic permutation coding (CPC) and its injected form. By monitoring channel conditions such as interference levels and impulsive noise strength, the system optimises the…
Shinichi Yamagiwa, Yuma Ichinomiya, Stefania Perri
Video applications have become one of the major services in the engineering field, which are implemented by server-client systems connected via the Internet, broadcasting services for mobile devices such as smartphones and surveillance cameras for security. Recently, the majority of video encoding mechanisms to reduce…
Hsi-Chin Hsin, Tze-Yun Sung, Yaw-Shih Shieh
High-efficiency, high-quality biomedical image compression is desirable especially for the telemedicine applications. This paper presents an adaptive coding pass scanning (ACPS) algorithm for optimal rate control. It can identify the significant portions of an image and discard insignificant ones as early as possible.…
Ji Zhang, Anmin Chen, Ying Zhang, Baofeng Ji + 3 more
'Hengzhou Xu' 'Jun Chen'] The Alternating Direction Method of Multipliers (ADMM) has proven to be an efficient approach for implementing linear programming (LP) decoding of low-density parity-check (LDPC) codes. By introducing penalty terms into the LP decoding model’s objective function, ADMM-based variable node…
Dan-feng Zhao, Hai Tian, Rui Xue
This paper studies an adaptive coding scheme for B5G (beyond 5th generation) mobile system-enhanced transmission technology. Different from the existing works, the authors develop a class of rate-compatible, non-binary, low-density parity check (RC-NB-LDPC) codes, which expresses the strong connection between the…