LLDPC: A low-density parity-check coding scheme for LoRa networks

K Yang, W Du - Proceedings of the 20th ACM Conference on …, 2022 - dl.acm.org
Low-density parity-check (LDPC) codes have been widely used for Forward Error Correction
(FEC) in wireless networks because they can approach the capacity of wireless links with …

Drlic: Deep reinforcement learning for irrigation control

X Ding, W Du - 2022 21st ACM/IEEE International Conference …, 2022 - ieeexplore.ieee.org
Agricultural irrigation is a major consumer of freshwater. Current irrigation systems used in
the field are not efficient, since they are mainly based on soil moisture sensors' …

: Rateless-Enabled Link Adaptation for LoRa Networking

K Yang, M Liu, W Du - IEEE/ACM Transactions on Networking, 2024 - ieeexplore.ieee.org
Both our experiments and previous studies show that LoRa links vary dynamically, which
makes data transmission unreliable and consumes much energy of sensor nodes by …

OrchLoc: In-orchard localization via a single LoRa gateway and generative diffusion model-based fingerprinting

K Yang, Y Chen, W Du - Proceedings of the 22nd Annual International …, 2024 - dl.acm.org
In orchards, tree-level localization of robots is critical for smart agriculture applications like
precision disease management and targeted nutrient dispensing. However, prior solutions …

Inference for mark-censored temporal point processes

A Boyd, Y Chang, S Mandt… - Uncertainty in Artificial …, 2023 - proceedings.mlr.press
Marked temporal point processes (MTPPs) are a general class of stochastic models for
modeling the evolution of events of different types (“marks”) in continuous time. These …

Optimizing Irrigation Efficiency using Deep Reinforcement Learning in the Field

X Ding, W Du - arXiv preprint arXiv:2304.01435, 2023 - arxiv.org
Agricultural irrigation is a significant contributor to freshwater consumption. However, the
current irrigation systems used in the field are not efficient. They rely mainly on soil moisture …

A Low-Density Parity-Check Coding Scheme for LoRa Networking

K Yang, W Du - ACM Transactions on Sensor Networks, 2024 - dl.acm.org
This paper presents a novel system, LLDPC, which brings Low-Density Parity-Check
(LDPC) codes into Long Range (LoRa) networks to improve Forward Error Correction, a task …

On the Efficient Marginalization of Probabilistic Sequence Models

A Boyd - 2024 - escholarship.org
Real-world data often exhibits sequential dependence, across diverse domains such as
human behavior, medicine, finance, and climate modeling. Probabilistic methods capture …

Cyber-Physical Systems Optimization with Reinforcement Learning: Methods and Applications

X Ding - 2023 - escholarship.org
Cyber-physical systems rely on many control and decision-making algorithms. However, the
majority of cyber-physical systems today are still operated by simple rule-based and …