3 papers
cs.IT2024
Geometric constellation shaping for wireless optical intensity channels: An information-theoretic approach
Suhua Zhou, Tianqi Li, Zhaoxi Fang +2
A simple geometric shaping method is proposed for optical wireless communication systems based on intensity modulation and direct detection (IM/DD) from an information-theoretic pe…
cs.IT2023
Joint Design of Sampler and Compressor for Timely Status Updates: Age-Distortion Tradeoff
Jun Li, Wenyi Zhang
We consider a joint sampling and compression system for timely status updates. Samples are taken, quantized and encoded into binary sequences, which are sent to the destination. We…
cs.IT2022
ORBGRAND Is Almost Capacity-Achieving
Mengxiao Liu, Yuejun Wei, Zhenyuan Chen +1
Decoding via sequentially guessing the error pattern in a received noisy sequence has received attention recently, and ORBGRAND has been proposed as one such decoding algorithm tha…