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We present a practical strategy that aims to attain rate points on the dominant face of the multiple access channel capacity using a standard low complexity decoder. This technique is built upon recent theoretical developments of Zhu and…

Information Theory · Computer Science 2018-01-01 Erixhen Sula , Jingge Zhu , Adriano Pastore , Sung Hoon Lim , Michael Gastpar

LoRaWAN is one of the leading Low Power Wide Area Network (LPWAN) architectures. It was originally designed for systems consisting of static sensor or Internet of Things (IoT) devices and static gateways. It was recently updated to…

Networking and Internet Architecture · Computer Science 2020-04-15 Po-Yu Chen , Laksh Bhatia , Roman Kolcun , David Boyle , Julie A. McCann

A fundamental difficulty in all-in-one blind image restoration is that degradation is usually treated as an implicit factor hidden in degraded-to-clean mapping, rather than as an explicit object that can be measured and manipulated. This…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Xinghua Huang , Zhixiong Yang , Chen Wu , Shengxi Li , Shuaifeng Zhi , Yue Zhang , Qibin Hou , Xin Deng , Jingyuan Xia

The use of low-resolution analog-to-digital converters (ADCs) can significantly reduce power consumption and hardware cost. However, their resulting severe nonlinear distortion makes reliable data transmission challenging. For orthogonal…

Information Theory · Computer Science 2019-01-31 Hanqing Wang , Wan-Ting Shih , Chao-Kai Wen , Shi Jin

Current optical coherent transponders technology is driving data rates towards 1 Tb/s/{\lambda}and beyond. This trend requires both high-performance coded modulation schemes and efficient implementation of the forward-error-correction (FEC)…

Signal Processing · Electrical Eng. & Systems 2020-07-15 Gabriele Liga , Bin Chen , Sjoerd van der Heide , Alireza Sheikh , Menno van der Hout , Chigo Okonkwo , Alex Alvarado

Radio frequency fingerprint identification (RFFI) is an emerging device authentication technique that relies on intrinsic hardware characteristics of wireless devices. We designed an RFFI scheme for Long Range (LoRa) systems based on…

Signal Processing · Electrical Eng. & Systems 2021-01-06 Guanxiong Shen , Junqing Zhang , Alan Marshall , Linning Peng , Xianbin Wang

Qubit leakage and loss, particularly Rydberg-induced decay during two-qubit gates, pose significant challenges to fault-tolerant quantum computing with neutral atom arrays, as they propagate to correlated errors and degrade code distance.…

Quantum Physics · Physics 2026-04-28 Cheng-Cheng Yu , Yu-Hao Deng , Ming-Cheng Chen , Chao-Yang Lu , Jian-Wei Pan

Fine-tuned LLMs can covertly encode prompt secrets into outputs via steganographic channels. Prior work demonstrated this threat but relied on trivially recoverable encodings. We formalize payload recoverability via classifier accuracy and…

Cryptography and Security · Computer Science 2026-02-02 Charles Westphal , Keivan Navaie , Fernando E. Rosas

In this paper, we investigate the problem of recovering source information from an incomplete set of network coded data. We first study the theoretical performance of such systems under maximum a posteriori (MAP) decoding and derive the…

Information Theory · Computer Science 2015-03-16 Eirina Bourtsoulatze , Nikolaos Thomos , Pascal Frossard

Corrupted frames with CRC errors potentially provide a useful channel through which we can transmit information. Using measurements taken in an outdoor environment, we demonstrate that for 802.11 wireless links the channel provided by…

Networking and Internet Architecture · Computer Science 2012-12-06 Xiaomin Chen , Douglas Leith

Handling faults is a growing concern in HPC. In future exascale systems, it is projected that silent undetected errors will occur several times a day, increasing the occurrence of corrupted results. In this article, we propose SEDAR, which…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-07-29 Diego Montezanti , Enzo Rucci , Armando De Giusti , Marcelo Naiouf , Dolores Rexachs , Emilio Luque

In the learning based video compression approaches, it is an essential issue to compress pixel-level optical flow maps by developing new motion vector (MV) encoders. In this work, we propose a new framework called Resolution-adaptive Flow…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Zhihao Hu , Zhenghao Chen , Dong Xu , Guo Lu , Wanli Ouyang , Shuhang Gu

We present the RAW domain diffusion model (RDDM), an end-to-end diffusion model that restores photo-realistic images directly from the sensor RAW data. While recent sRGB-domain diffusion methods achieve impressive results, they are caught…

Image and Video Processing · Electrical Eng. & Systems 2026-02-03 Yan Chen , Yi Wen , Wei Li , Junchao Liu , Yong Guo , Jie Hu , Xinghao Chen

Common state-of-the-art video codecs are optimized to deliver a low bitrate by providing a certain quality for the final human observer, which is achieved by rate-distortion optimization (RDO). But, with the steady improvement of neural…

Image and Video Processing · Electrical Eng. & Systems 2022-03-14 Kristian Fischer , Fabian Brand , Christian Herglotz , André Kaup

We apply linear network coding (LNC) to broadcast a block of data packets from one sender to a set of receivers via lossy wireless channels, assuming each receiver already possesses a subset of these packets and wants the rest. We aim to…

Information Theory · Computer Science 2018-02-09 Mingchao Yu , Alex Sprintson , Parastoo Sadeghi

CRC codes have long since been adopted in a vast range of applications. The established notion that they are suitable primarily for error detection can be set aside through use of the recently proposed Guessing Random Additive Noise…

Information Theory · Computer Science 2024-10-28 Wei An , Muriel Médard , Ken R. Duffy

Image regridding and coaddition have a wide range of applications in astronomical observations. {\sc Imcom}, an algorithm that provides control over point spread function (PSF) and noise in coadded images, has been found to meet the…

Instrumentation and Methods for Astrophysics · Physics 2026-01-06 Kaili Cao

Low-power and long-range communication tech- nologies such as LoRa are becoming popular in IoT applications due to their ability to cover kilometers range with milliwatt of power consumption. One of the major drawbacks of LoRa is the data…

Networking and Internet Architecture · Computer Science 2018-09-13 Rajeev Piyare , Amy L. Murphy , Michele Magno , Luca Benini

In this paper, we present results of a study of the data rate fairness among nodes within a LoRaWAN cell. Since LoRa/LoRaWAN supports various data rates, we firstly derive the fairest ratios of deploying each data rate within a cell for a…

Networking and Internet Architecture · Computer Science 2018-03-01 Khaled Q. Abdelfadeel , Victor Cionca , Dirk Pesch

Optical Wireless Communication networks (OWC) has emerged as a promising technology that enables high-speed and reliable communication bandwidth for a variety of applications. In this work, we investigated applying Random Linear Network…

Information Theory · Computer Science 2023-05-09 Ahmed Ali Hassan , Ahmed Adnan Qidan , Taisir Elgorashi , Jaafar Elmirghani