4 papers
Blockchain-based Proportional Fair Scheduling for Multi-Operator O-RAN
Kun Huang, Xintong Ling, Meining Wu +3
The openness and disaggregation of Open radio access network (O-RAN) facilitate resource sharing and coordination across networks, creating new demands for efficient and trustworth…
BagChain: A Dual-functional Blockchain Leveraging Bagging-based Distributed Learning
Zixiang Cui, Xintong Ling, Xingyu Zhou +3
This work proposes a dual-functional blockchain framework named BagChain for bagging-based decentralized learning. BagChain integrates blockchain with distributed machine learning…
Analysis of Channel Uncertainty in Trusted Wireless Services via Repeated Interactions
Bingwen Chen, Xintong Ling, Weihang Cao +2
The coexistence of heterogeneous sub-networks in 6G poses new security and trust concerns and thus calls for a perimeterless-security model. Blockchain radio access network (B-RAN)…
Optimization-based Proof of Useful Work: Framework, Modeling, and Security Analysis
Weihang Cao, Xintong Ling, Jiaheng Wang +2
Proof of Work (PoW) has extensively served as the foundation of blockchain's security, consistency, and tamper-resistance, but long has it been criticized for its tremendous and in…