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Mobile crowdsensing (MCS) enables data collection from massive devices to achieve a wide sensing range. Wireless power transfer (WPT) is a promising paradigm for prolonging the operation time of MCS systems by sustainably transferring power…

信号处理 · 电气工程与系统科学 2024-10-23 Yongqing Xu , Haoqing Qi , Zhiqin Wang , Xiang Zhang , Yong Li , Tony Q. S. Quek

Ultra-high-resolution streaming and emerging immersive services are driving rapidly increasing wireless video traffic. However, perceptually pleasing video transmission over bandwidth-limited and latency-constrained wireless links remains…

图像与视频处理 · 电气工程与系统科学 2026-05-20 Yinhuan Huang , Zhijin Qin

Recently, Referring Remote Sensing Image Segmentation (RRSIS) has aroused wide attention. To handle drastic scale variation of remote targets, existing methods only use the full image as input and nest the saliency-preferring techniques of…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Jiaxing Yang , Lihe Zhang , Huchuan Lu

This paper presents DeepCRF, a new framework that harnesses deep learning to extract subtle micro-signals from channel state information (CSI) measurements, enabling robust and resilient radio-frequency fingerprinting (RFF) of…

信号处理 · 电气工程与系统科学 2024-11-12 Ruiqi Kong , He Chen

With the increasing scale of machine learning tasks, it has become essential to reduce the communication between computing nodes. Early work on gradient compression focused on the bottleneck between CPUs and GPUs, but…

最优化与控制 · 数学 2020-06-18 Sarit Khirirat , Sindri Magnússon , Arda Aytekin , Mikael Johansson

Supply chain management is aimed to keep going long-term performance of the supply chain and minimize the costs. Backscatter technology provides a more efficient way of being able to identify items and real-time monitoring. Among the…

网络与互联网体系结构 · 计算机科学 2025-06-21 Yun-Hao Liu , Tao Liu , Yimeng Huang , Han Ding , Wei Xi , Wei Gong

Elderly care is one of the many applications supported by real-time activity recognition systems. Traditional approaches use cameras, body sensor networks, or radio patterns from various sources for activity recognition. However, these…

其他计算机科学 · 计算机科学 2020-03-18 Liang Wang , Tao Gu , Xianping Tao , Jian Lu

This paper discusses a new channel model and code design for the reader-to-tag channel in near-field passive radio frequency identification (RFID) systems using inductive coupling as a power transfer mechanism. If the receiver…

信息论 · 计算机科学 2016-11-17 Ángela I. Barbero , Eirik Rosnes , Guang Yang , Øyvind Ytrehus

Backscatter wireless communication is an emerging technique widely used in low-cost and low-power wireless systems, especially in passive radio frequency identification (RFID) systems. Recently, the requirement of high data rates, data…

信息论 · 计算机科学 2016-11-15 Qian Yang , Hui-Ming Wang , Yi Zhang , Zhu Han

In this paper, we design a new class of high-efficiency deep joint source-channel coding methods to achieve end-to-end video transmission over wireless channels. The proposed methods exploit nonlinear transform and conditional coding…

计算机视觉与模式识别 · 计算机科学 2022-11-03 Sixian Wang , Jincheng Dai , Zijian Liang , Kai Niu , Zhongwei Si , Chao Dong , Xiaoqi Qin , Ping Zhang

The Recurrent Neural Network-Transducer (RNN-T) is widely adopted in end-to-end (E2E) automatic speech recognition (ASR) tasks but depends heavily on large-scale, high-quality annotated data, which are often costly and difficult to obtain.…

Radio Frequency Identification (RFID) systems are among the most widespread computing technologies with technical potential and profitable opportunities in numerous applications worldwide. Further, RFID is the core technology behind the…

密码学与安全 · 计算机科学 2021-10-04 Luciano Gavoni

An advanced technology known as a radio frequency identification (RFID) system enables seamless wireless communication between tags and readers. This system operates in what is referred to as a dense reader environment, where readers are…

网络与互联网体系结构 · 计算机科学 2026-02-09 Hadiseh Rezaei , Rahim Taheri , Mohammad Shojafar

We present the first wireless protocol that scales to hundreds of concurrent transmissions from backscatter devices. Our key innovation is a distributed coding mechanism that works below the noise floor, operates on backscatter devices and…

网络与互联网体系结构 · 计算机科学 2018-08-16 Mehrdad Hessar , Ali Najafi , Shyamnath Gollakota

RNN-T models are widely used in ASR, which rely on the RNN-T loss to achieve length alignment between input audio and target sequence. However, the implementation complexity and the alignment-based optimization target of RNN-T loss lead to…

声音 · 计算机科学 2024-11-28 Tian-Hao Zhang , Dinghao Zhou , Guiping Zhong , Jiaming Zhou , Baoxiang Li

While distributed device-edge speculative decoding enhances resource utilization across heterogeneous nodes, its performance is often bottlenecked by conventional token-level verification strategies. Such rigid alignment leads to excessive…

信息论 · 计算机科学 2026-04-21 Zixuan Liu , Zhiyong Chen , Nan Xue , Shengkang Chen , Jiangchao Yao , Meixia Tao , Wenjun Zhang

This paper introduces AirCNN, a novel paradigm for implementing convolutional neural networks (CNNs) via over-the-air (OTA) analog computation. By leveraging multiple reconfigurable intelligent surfaces (RISs) and transceiver designs, we…

信息论 · 计算机科学 2026-03-13 Meng Hua , Haotian Wu , Deniz Gündüz

A canonical wireless communication system consists of a transmitter and a receiver. The information bit stream is transmitted after coding, modulation, and pulse shaping. Due to the effects of radio frequency (RF) impairments, channel…

信号处理 · 电气工程与系统科学 2020-09-01 Shilian Zheng , Shichuan Chen , Xiaoniu Yang

Pansharpening aims to fuse high-resolution panchromatic (PAN) images with low-resolution multispectral (LRMS) images to generate high-resolution multispectral (HRMS) images. Although deep learning-based methods have achieved promising…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Zeyu Xia , Chenxi Sun , Tianyu Xin , Yubo Zeng , Haoyu Chen , Liang-Jian Deng

This paper presents RF-Transformer, a unified backscatter radio hardware abstraction that allows a low-power IoT device to directly communicate with heterogeneous wireless receivers at the minimum power consumption. Unlike existing…

网络与互联网体系结构 · 计算机科学 2022-10-03 Xiuzhen Guo , Yuan He , Zihao Yu , Jiacheng Zhang , Yunhao Liu , Longfei Shangguan