7 papers
When Correct Solutions Repeat: Rarity-Aware Credit Redistribution for GRPO
Zhe Cao, Miaowen Wen, Fangjiong Chen
Reinforcement learning with verifiable rewards (RLVR) com- monly optimizes each correct completion as an independent learning signal. In GRPO, this completion-level uniformity crea…
Low-Complexity Channel Estimation for Internet of Vehicles AFDM Communications With Sparse Bayesian Learning
Xiangxiang Li, Haiyan Wang, Yao Ge +4
Affine frequency division multiplexing (AFDM) has been considered as a promising waveform to enable high-reliable connectivity in the internet of vehicles. However, accurate channe…
Empowering Nanoscale Connectivity through Molecular Communication: A Case Study of Virus Infection
Xuan Chen, Yu Huang, Miaowen Wen +4
The Internet of Bio-Nano Things (IoBNT), envisioned as a revolutionary healthcare paradigm, shows promise for epidemic control. This paper explores the potential of using molecular…
Affine Frequency Division Multiplexing Over Wideband Doubly-Dispersive Channels With Time-Scaling Effects
Xiangxiang Li, Haiyan Wang, Yao Ge +4
The recently proposed affine frequency division multiplexing (AFDM) modulation has been considered as a promising technology for narrowband doubly-dispersive channels. However, the…
Edge-Enabled VIO with Long-Tracked Features for High-Accuracy Low-Altitude IoT Navigation
Xiaohong Huang, Cui Yang, Miaowen Wen
This paper presents a visual-inertial odometry (VIO) method using long-tracked features. Long-tracked features can constrain more visual frames, reducing localization drift. Howeve…
Towards a Molecular Computer: Enabling Arithmetic Operations in Molecular Communication
Jianqiao Long, Lei Zhang, Miaowen Wen +3
In current molecular communication (MC) systems, performing computational operations at the nanoscale remains challenging, restricting their applicability in complex scenarios such…