Xin Su
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View article: Digit Recognition Method Based on Discrete Hopfield Neural Network Optimized by Artificial Fish Swarm Algorithm
Digit Recognition Method Based on Discrete Hopfield Neural Network Optimized by Artificial Fish Swarm Algorithm Open
To solve the problems that the weights and thresholds of discrete Hopfield neural networks are easy to fall into local optima and have insufficient anti-noise ability in digit recognition, a digit recognition method based on discrete Hopfi…
View article: TextMesh4D: Text-to-4D Mesh Generation via Jacobian Deformation Field
TextMesh4D: Text-to-4D Mesh Generation via Jacobian Deformation Field Open
Dynamic 3D (4D) content generation, particularly text-to-4D, remains a challenging and under-explored problem due to its inherent spatiotemporal complexity. Existing text-to-4D methods typically avoid direct mesh generation due to inherent…
View article: Loss-Aware Curriculum Learning for Chinese Grammatical Error Correction
Loss-Aware Curriculum Learning for Chinese Grammatical Error Correction Open
Chinese grammatical error correction (CGEC) aims to detect and correct errors in the input Chinese sentences. Recently, Pre-trained Language Models (PLMS) have been employed to improve the performance. However, current approaches ignore th…
View article: Knowledge-Assisted Actor Critic Proximal Policy Optimization-Based Service Function Chain Reconfiguration Algorithm for 6G IoT Scenario
Knowledge-Assisted Actor Critic Proximal Policy Optimization-Based Service Function Chain Reconfiguration Algorithm for 6G IoT Scenario Open
Future 6G networks will inherit and develop Network Function Virtualization (NFV) architecture. With the NFV-enabled network architecture, it becomes possible to establish different virtual networks within the same infrastructure, create d…
View article: Reform and Practice of the “Digital Economy” Course Integrating Innovation and Entrepreneurship Concepts
Reform and Practice of the “Digital Economy” Course Integrating Innovation and Entrepreneurship Concepts Open
Based on the teaching objectives, teaching content and teaching methods of “Digital Economy” course, as well as the outstanding problems and challenges encountered during the teaching process, the concepts of innovation and entrepreneurshi…
View article: CLEME2.0: Towards Interpretable Evaluation by Disentangling Edits for Grammatical Error Correction
CLEME2.0: Towards Interpretable Evaluation by Disentangling Edits for Grammatical Error Correction Open
The paper focuses on the interpretability of Grammatical Error Correction (GEC) evaluation metrics, which received little attention in previous studies. To bridge the gap, we introduce **CLEME2.0**, a reference-based metric describing four…
View article: Progress and prospect of 6G wireless air-interface transmission technology research
Progress and prospect of 6G wireless air-interface transmission technology research Open
自20世纪80年代以来,移动通信已彻底改变世界,对人们的生活产生了深远影响。在5G成功商用的今天,人们又开始思考6G会是什么样子。作为下一代移动通信系统,6G不仅在频谱效率、时延、可靠性等通信KPI指标上提出了更高的要求,其内涵也将涉及人工智能、感知等新元素,远超传统意义上移动通信的范畴。为了实现6G愿景,迫切需要业界研究与之相适应的先进无线技术方案。本文重点介绍了6G无线空口多个研究方向的技术趋势和进展,包括:信道编码技术、多址和波形技术、智能超表面技术、智能MIMO技术…
View article: An improved ACO based service composition algorithm in multi-cloud networks
An improved ACO based service composition algorithm in multi-cloud networks Open
In recent years, with the rapid development of mobile communication networks, some new services such as cloud virtual reality, holographic communication, and etc. continue to emerge. Service composition has been researched in cloud computi…
View article: The Genesis Logic and Practical Value of Xi Jinping’s Concept of Technological Innovation
The Genesis Logic and Practical Value of Xi Jinping’s Concept of Technological Innovation Open
In the context of ongoing clashes in the Sino-US trade and technology war and the rise of emerging disruptive technologies such as artificial intelligence, technological innovation is not only an important engine for promoting high-quality…
View article: Network Structure Optimization Method for Urban Drainage Systems Considering Pipeline Redundancies
Network Structure Optimization Method for Urban Drainage Systems Considering Pipeline Redundancies Open
Redundancy is an important attribute of a resilient urban drainage system. While there is a lack of knowledge on where to increase redundancy and its contribution to resilience, this study developed a framework for the optimal network stru…
View article: Fast Online Adaptive Enrichment for Poroelasticity with High Contrast
Fast Online Adaptive Enrichment for Poroelasticity with High Contrast Open
In this work, we develop an online adaptive enrichment method within the framework of the Constraint Energy Minimizing Generalized Multiscale Finite Element Method (CEM-GMsFEM) for solving the linear heterogeneous poroelasticity models wit…
View article: The Framework of 6G Self-Evolving Networks and the Decision-Making Scheme for Massive IoT
The Framework of 6G Self-Evolving Networks and the Decision-Making Scheme for Massive IoT Open
The increasingly huge amount of device connections will transform the Internet of Things (IoT) into the massive IoT. The use cases of massive IoT consist of the smart city, digital agriculture, smart traffic, etc., in which the service req…
View article: A Multiscale Method for the Heterogeneous Signorini Problem
A Multiscale Method for the Heterogeneous Signorini Problem Open
In this paper, we develop a multiscale method for solving the Signorini problem with a heterogeneous field. The Signorini problem is encountered in many applications, such as hydrostatics, thermics, and solid mechanics. It is well-known th…
View article: A method of supervised learning from conflicting data with hidden contexts
A method of supervised learning from conflicting data with hidden contexts Open
Conventional supervised learning assumes a stable input-output relationship. However, this assumption fails in open-ended training settings where the input-output relationship depends on hidden contexts. In this work, we formulate a more g…
View article: Energy-Latency Aware Offloading for Hierarchical Mobile Edge Computing
Energy-Latency Aware Offloading for Hierarchical Mobile Edge Computing Open
Mobile edge computing (MEC) enhances the computing capacity of resources-poor user equipment (UE) by computational offloading. However, edge clouds suffer from a limited computation capacity, and thus cannot cater for a large amount of off…
View article: Investigation on Evolving Single-Carrier NOMA Into Multi-Carrier NOMA in 5G
Investigation on Evolving Single-Carrier NOMA Into Multi-Carrier NOMA in 5G Open
Non-orthogonal multiple access (NOMA) is one promising technology, which provides high system capacity, low latency, and massive connectivity, to address several challenges in the fifth-generation wireless systems. In this paper, we first …
View article: Virtual Small Cell Selection Schemes Based on Sum Rate Analysis in Ultra-Dense Network
Virtual Small Cell Selection Schemes Based on Sum Rate Analysis in Ultra-Dense Network Open
Ultra-Dense Network (UDN) is regarded as a major development trend in the evolution of future networks, due to its ability to provide larger sum rate to the whole system and meet higher users' Quality of Service (QoS). Different from the e…
View article: RIePDMA and BP-IDD-IC detection
RIePDMA and BP-IDD-IC detection Open
Pattern division multiple access (PDMA) is a non-orthogonal multiple access (NOMA) scheme which is proposed to meet the demand of massive connection in the future 5G communications. In this paper, we build a random interleaver (RI) enhance…
View article: Vertical distribution of archaeal communities in cold seep sediments from the jiulong methane reef area in the south China sea
Vertical distribution of archaeal communities in cold seep sediments from the jiulong methane reef area in the south China sea Open
Jiulong methane reef, a large cold seep area on the continental slope of the South China Sea (SCS), was characterized by chemosynthetic fauna, bacterial mats, methane-derived carbonate structures, and a shallow depth of sulfate-methane tra…
View article: Energy-Efficient Resource Allocation for Massive MIMO Amplify-and-Forward Relay Systems
Energy-Efficient Resource Allocation for Massive MIMO Amplify-and-Forward Relay Systems Open
Energy-efficient resource allocation is investigated for multi-pair massive MIMO amplify-and-forward relay systems, where a dedicated relay assists pairwise information exchange among many pieces of single-antenna user equipment (UE). The …
View article: Method for improving sinusoidal quality of error diffusion binary encoded fringe used in phase measurement profilometry
Method for improving sinusoidal quality of error diffusion binary encoded fringe used in phase measurement profilometry Open
Optica Applicata, Vol. 46, 2016, nr 2, s. 291-303