Explanipedia

Successive Cancellation Decoding For General Monotone Chain Polar Codes Open

Zichang Ren, Chunhang Zheng, Dou Li, Yuping Zhao · 2025

Monotone chain polar codes generalize classical polar codes to multivariate settings, offering a flexible approach for achieving the entire admissible rate region in the distributed lossless coding problem. However, this flexibility also i…

Energy Efficiency Optimization for Movable Antenna-Aided Communication Systems Open

Jingze Ding, Zijian Zhou, Yuping Zhao, Bingli Jiao · 2025

This paper investigates the energy efficiency optimization for movable antenna (MA) systems by considering the time delay and energy consumption introduced by MA movement. We first derive the upper bound on energy efficiency for a single-u…

Entropy Polarization-Based Data Compression Without Frozen Set Construction Open

Zichang Ren, Yuping Zhao · 2025

Classical source polar codes require the construction of frozen sets for given sources. While this scheme offers excellent theoretical performance, it faces challenges in practical data compression systems, including sensitivity to the acc…

Adaptability Evaluation of Global Single-Threshold Algorithms for Geotechnical Materials with Diverse Pore-Fissure Structures Open

Zhijie Jian, Jiangfeng Liu, Shijia Ma, Tengyuan Zhang, Xinyue Zhang , et al. · 2025

Energy Efficiency Maximization for Movable Antenna Communication Systems Open

Jingze Ding, Zijian Zhou, Lipeng Zhu, Yuping Zhao, Bingli Jiao , et al. · 2025

This paper investigates energy efficiency maximization for movable antenna (MA)-aided multi-user uplink communication systems by considering the time delay and energy consumption incurred by practical antenna movement. We first examine the…

A full-duplex technology based on the Doppler effect Open

Hao Feng, Meng Ma, Yuping Zhao · 2024

FAST: Flexible and Adaptive Semantic Transmission for Resource-constrained Multi-user Generative Semantic Communication Open

Yiru Wang, Wanting Yang, Zehui Xiong, Yuping Zhao, Shiwen Mao , et al. · 2024

The rapid advancement of generative artificial intelligence has spurred innovative approaches to semantic communication, giving rise to a new paradigm known as generative semantic communication (GSC). The integration of flexible cross-moda…

Improving the Sustainability of Processing By-Products: Extraction and Recent Biological Activities of Collagen Peptides Open

Shumin Xu, Yuping Zhao, Wenshan Song, Chengpeng Zhang, Qiuting Wang , et al. · 2023

Society and consumers are increasingly concerned about food safety and the sustainability of food production systems. A significant amount of by-products and discards are generated during the processing of aquatic animals, which still need…

Fast list decoders for polarization‐adjusted convolutional (PAC) codes Open

Hongfei Zhu, Zhiwei Cao, Yuping Zhao, Dou Li, Yang Yan-jun · 2023

A latest coding scheme named polarization‐adjusted convolutional (PAC) codes is shown to approach the dispersion bound for the code (128,64) under list decoding. However, to achieve the near‐bound performance, the list size of list decodin…

Energy efficiency maximisation for STAR‐RIS assisted full‐duplex communications Open

Pengxin Guan, Yiru Wang, Hongkang Yu, Yuping Zhao · 2023

Reconfigurable intelligent surface (RIS) has emerged as a promising technique for enhancing the performance of wireless networks. However, the traditional reflecting‐only RIS requires that the transmitter and receiver ought to be on the sa…

Effects of Processing Methods on Quality Changes of Ready-to-Eat Sea Cucumber Open

Chengpeng Zhang, Guiwu Qu, Yuping Zhao, Yunlong Xie, Shumin Xu , et al. · 2023

Energy efficiency of full‐duplex communication system assisted by reconfigurable intelligent surface Open

Yiru Wang, Pengxin Guan, Hongkang Yu, Yuping Zhao · 2022

The sixth generation advocates green communications, thus energy efficiency (EE) has become an important metric. In this study, a method to increase the EE of a reconfigurable intelligent surface (RIS) aided point‐to‐point communication sy…

Transmit Power Optimization of Simultaneous Transmission and Reflection RIS Assisted Full-Duplex Communications Open

Yiru Wang, Pengxin Guan, Hongkang Yu, Yuping Zhao · 2022

Reconfigurable intelligent surface (RIS) has been proven to be a promising technology for improving the performance of future wireless systems. However, since conventional RIS can only reflect or transmit (i.e., refract) incident signals, …

Development of an arduino-based integrated system for sensing of hydrogen peroxide Open

Weibao Gao, Xiaojin Luo, Yiqun Liu, Yuping Zhao, Yue Cui · 2021

The development of a low-cost and portable integrated sensing system for hydrogen peroxide could offer exciting opportunities for the diagnosis of diseases, and environmental monitoring. Arduino is a popular platform with integrated softwa…

Rate‐compatible systematic polar codes Open

Hongfei Zhu, Pengxin Guan, Zhiwei Cao, Yuping Zhao · 2021

Puncturing and shortening are two common ways to achieve rate‐compatible non‐systematic polar codes (NSPCs). Systematic polar codes (SPCs) have been shown to outperform NSPCs with the same encoding and decoding complexity. However, rate‐co…

Performance Analysis and Codebook Design for mmWave Beamforming System with Beam Squint Open

Hongkang Yu, Pengxin Guan, Yiru Wang, Yuping Zhao · 2021

Beamforming technology is widely used in millimeter wave systems to combat path losses, and beamformers are usually selected from a predefined codebook. Unfortunately, the traditional codebook design neglects the beam squint effect, and th…

Spatial Spectrum-Based Channel Estimation for Wideband mmWave System With Beam Squint Open

Hongkang Yu, Pengxin Guan, Yiru Wang, Yuping Zhao · 2021

Channel estimation for millimeter wave (mmWave) systems is challenging due to their large antenna arrays. Owing to the sparse scattering nature of the mmWave channel, channel estimation can be performed by estimating the directions and the…

Nonuniform Quantized Decoder for Polar Codes with Minimum Distortion Quantizer Open

Zhiwei Cao, Hongfei Zhu, Yuping Zhao, Dou Li · 2020

We propose a nonuniform quantized decoder for polar codes. The design metric of the quantizers is to minimize the distortion incurred by quantization. The quantizers are obtained via dynamic programming and the optimality of the quantizer …

An ultrathin planar acoustic metasurface diffuser with narrowband uniform reflection Open

Yuping Zhao, Jingjing Liu, Bin Liang, Jian‐Chun Cheng · 2020

Diffuse reflection of sound is desirable in many practical scenarios, such as architectural acoustics, but most existing designs of acoustic diffusers have bulky size, corrugated profile, or limited spatial resolution. We design an ultrath…

An Improved Beam Training Scheme Under Hierarchical Codebook Open

Hongkang Yu, Pengxin Guan, Wanyue Qu, Yuping Zhao · 2020

In millimeter wave (mmWave) communications, the beamforming gains of large-scale antenna arrays are used to combat severe path losses and improve communication link quality. This requires beam training (BT) to determine the optimal beam di…

Learning to Denoise and Decode: A Novel Residual Neural Network Decoder for Polar Codes Open

Zhiwei Cao, Hongfei Zhu, Yuping Zhao, Dou Li · 2019

Polar codes have been adopted as the control channel coding scheme in the fifth generation new radio (5G NR) standard due to its capacity-achievable property. Traditional polar decoding algorithms such as successive cancellation (SC) suffe…

A Mapping Shortening Algorithm for Polar Codes Open

Hongfei Zhu, Yuping Zhao · 2019

Shortening is a common way to achieve rate-compatible polar codes. The existing shortening algorithms select shortened bits merely according to the structure of the generator matrix in order to make them known by the receiver. In this pape…

On the design of full duplex wireless system with chaotic sequences Open

Ruwu Xiao, Geng Li, Yuping Zhao · 2018

This paper proposes a novel approach for full duplex using chaotic sequences which is known as the asynchronous code-division duplex (Async-CDD) system. The Async-CDD system can transmit and receive signals at the same time and in the same…

A Design of Two Sub-Stage Square-Root Nyquist Matched Filter Open

Ruwu Xiao, Qiying Lei, Xuan Guo, Weitao Du, Yuping Zhao · 2018

A pair of matched filters whose cascade response satisfies the Nyquist criterion can guarantee the inter-symbol interference (ISI)-free transmission for band-limited communication systems. For a linear phase finite impulse response square …

SCMA Uplink Decoding With Codebook Collision Open

Yang Yan-jun, Yuping Zhao, Dou Li · 2017

National Science and Technology Major Project of the Ministry of Science and Technology of China [2016ZX03001018-005]; NFSC [61471405]

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