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A High-Resolution Calibration Method for Time-to-Digital Converter of Lidar
《Chinese Journal of Electronics》2025年第1期222-228,共7页Ruqing Liu Feng Li Jingguo Zhu Yan Jiang Chenghao Jiang Tao Hu 
High-resolution time-to-digital converter(TDC)finds major applications in light detection and ranging(Lidar)systems as one of the high precision time measuring techniques.In this work,a high-resolution TDC is designed...
关键词：Time-to-digital converter LIDAR Tapped delay chain Measurement error calibration 
Exploiting blockchain for dependable services in zero-trust vehicular networks
《Frontiers of Computer Science》2024年第2期157-166,共10页Min HAO Beihai TAN Siming WANG Rong YU Ryan Wen LIU Lisu YU 
supported in part by the National Key R&D Program of China (No.2020YFB1807802);the National Natural Science Foundation of China (Grant Nos.61971148,U22A2054).
The sixth-generation(6G)wireless communication system is envisioned be cable of providing highly dependable services by integrating with native reliable and trustworthy functionalities.Zero-trust vehicular networks is...
关键词：sixth-generation(6G) zero-trust block-chain vehicular networks privacy preservation 
Service Function Chain Migration in LEO Satellite Networks
《China Communications》2024年第3期247-259,共13页Geng Yuhui Wang Niwei Chen Xi Xu Xiaofan Zhou Changsheng Yang Junyi Xiao Zhenyu Cao Xianbin 
supported in part by the National Natural Science Foundation of China(NSFC)under grant numbers U22A2007 and 62171010;the Open project of Satellite Internet Key Laboratory in 2022(Project 3:Research on Spaceborne Lightweight Core Network and Intelligent Collaboration);the Beijing Natural Science Foundation under grant number L212003.
With the advancements of software defined network(SDN)and network function virtualization(NFV),service function chain(SFC)placement becomes a crucial enabler for flexible resource scheduling in low earth orbit(LEO)sat...
关键词：network function virtualization(NFV) resource allocation satellite networks service function chain(SFC) SFC migration SFC placement soft-ware defined network(SDN) 
A Bayesian Mixture Model Approach to Disparity Testing
《Applied Mathematics》2024年第3期214-234,共21页Gary C. McDonald 
The topic of this article is one-sided hypothesis testing for disparity, i.e., the mean of one group is larger than that of another when there is uncertainty as to which group a datum is drawn. For each datum, the unc...
关键词：Bayesian Improved Surname and Geocoding (BISG) Mixture Likelihood Function Posterior Distribution Metropolis-Hastings Algorithms Random Walk Chain Independence Chain Gibbs Sampling WINBUGS 
An efficient atomic cross-chain commitment resisting fork fraud
《Frontiers of Computer Science》2023年第5期241-243,共3页Fuqi JIN Wenquan LI Lanju KONG Qingzhong LI 
Supported by the National Research and Development Plan(No.2021YFB2700100);the National Social Science Fund(No.20BJY131);the major Science and Technology Innovation of Shandong Province(Nos.2020CXGC010106,2021CXGC010108);the Industrial Experts Program of Spring City.
1 Introduction Cross-chain transaction,as an essential component of blockchain technology,enables value exchange cross blockchains[1].Atomic cross-chain transaction technology has mainly encountered two challenges:eff...
关键词：CROSS specialized enable 
On-chain is not enough:Ensuring pre-data on the chain credibility for blockchain-based source-tracing systems被引量：1
《Digital Communications and Networks》2023年第5期1053-1060,共8页Yilei Wang Zhaojie Wang Guoyu Yang Shan Ai Xiaoyu Xiang Chang Chen Minghao Zhao 
This study is supported by Foundation of National Natural Science Foundation of China(Grant Number:62072273,72111530206,61962009,61873117,61832012,61771231,61771289);Natural Science Foundation of Shandong Province(ZR2019MF062);Shandong University Science and Technology Program Project(J18A326);Guangxi Key Laboratory of Cryptography and Information Security(No:GCIS202112);The Major Basic Research Project of Natural Science Foundation of Shandong Province of China(ZR2018ZC0438);Major Scientific and Technological Special Project of Guizhou Province(20183001),Foundation of Guizhou Provincial Key Laboratory of Public Big Data(No.2019BDKFJJ009),Talent project of Guizhou Big Data Academy.Guizhou Provincial Key Laboratory of Public Big Data.([2018]01).
The blockchain provides a reliable and scalable method for enabling source-tracing functionality in large-scale Internet of Things(IoT)systems.Traditional blockchain-based source tracing applications are generally bas...
关键词：Blockchain TRACEABILITY Blockchain security 
Privacy and security federated reference architecture for Internet of Things被引量：2
《Frontiers of Information Technology & Electronic Engineering》2023年第4期481-508,共28页Musab KAMAL Imran RASHID Waseem IQBAL Muhammad Haroon SIDDIQUI Sohaib KHAN Ijaz AHMAD 
Physical objects are getting connected to the Internet at an exceptional rate,making the idea of the Internet of Things(IoT)a reality.The IoT ecosystem is evident everywhere in the form of smart homes,health care syst...
关键词：Architecturally significant requirement(ASR) Architecture trade-off analysis method(ATAM) Internet architecture board Internet of Things(IoT) Privacy enhancing technologies Privacy validation chain 
A notary group-based cross-chain mechanism被引量：7
《Digital Communications and Networks》2022年第6期1059-1067,共9页Anping Xiong Guihua Liu Qingyi Zhu Ankui Jing Seng W.Loke 
supported by the National Natural Science Foundation of China (Nos. 61903056 and 61702066);the Chongqing Research Program of Basic Research and Frontier Technology (No. cstc2019jcyj-msxmX0681).
As an emerging distributed technology, blockchain has begun to penetrate into many fields such as finance, healthcare, supply chain, intelligent transportation. However, the interoperability and value exchange between...
关键词：Blockchain Cross-chain Notary group Reputation ranking Incentive mechanisms 
Intelligent service function chain mapping framework for cloud-and-edge-collaborative IoT
《The Journal of China Universities of Posts and Telecommunications》2022年第3期54-68,104,共16页Yang Chao Li Yimin Li Tong Xu Siya Qi Jun Zhang Yu 
supported by the Science and Technology Project of State Grid Corporation of China(SGLNXT00GCJS2000160)。
With the rapid development of Internet of thing(IoT) technology, it has become a challenge to deal with the increasing number and diverse requirements of IoT services. By combining burgeoning network function virtuali...
关键词：Internet of thing(IoT) mobile edge computing network function virtualization(NFV) deep Q-learning(DQL) 
A load balance optimization framework for sharded-blockchain enabled Internet of Things被引量：2
《High Technology Letters》2022年第1期10-20,共11页YANG Zhaoxin YANG Ruizhe LI Meng YU Richard Fei ZHANG Yanhua 
Supported by the National Natural Science Foundation of China(No.61901011);the Foundation of Beijing Municipal Commission of Edu-cation(No.KM202010005017,KM202110005021).
Recently,sharded-blockchain has attracted more and more attention.Its inherited immutabili-ty,decentralization,and promoted scalability effectively address the trust issue of the data sharing in the Internet of Things...
关键词：Internet of Things(IoT) blockchain sharding load balance deep reinforcement learning(DRL) 
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