Search Results for author: Xiaoqi Qin

Found 24 papers, 3 papers with code

Active-IRS-Enabled Target Detection

no code implementations6 Sep 2024 Xianxin Song, Xiaoqi Qin, Xianghao Yu, Jie Xu, Derrick Wing Kwan Ng

This letter studies an active intelligent reflecting surface (IRS)-enabled non-line-of-sight (NLoS) target detection system, in which an active IRS equipped with active reflecting elements and sensors is strategically deployed to facilitate target detection in the NLoS region of the base station (BS) by processing echo signals through the BS-IRS-target-IRS link.

Rate-Distortion-Perception Controllable Joint Source-Channel Coding for High-Fidelity Generative Communications

no code implementations26 Aug 2024 Kailin Tan, Jincheng Dai, Zhenyu Liu, Sixian Wang, Xiaoqi Qin, Wenjun Xu, Kai Niu, Ping Zhang

Based on this framework, we introduce a distortion-perception controllable transmission (DPCT) model, which addresses the variation in the perception-distortion trade-off.

FedEx: Expediting Federated Learning over Heterogeneous Mobile Devices by Overlapping and Participant Selection

no code implementations1 Jul 2024 Jiaxiang Geng, Boyu Li, Xiaoqi Qin, Yixuan Li, Liang Li, Yanzhao Hou, Miao Pan

Experimental results show that compared with its peer designs, FedEx demonstrates substantial reductions in FL training latency over heterogeneous mobile devices with limited memory cost.

Federated Learning

DiffCom: Channel Received Signal is a Natural Condition to Guide Diffusion Posterior Sampling

no code implementations11 Jun 2024 Sixian Wang, Jincheng Dai, Kailin Tan, Xiaoqi Qin, Kai Niu, Ping Zhang

Unlike traditional systems that rely on deterministic decoders optimized solely for distortion metrics, our DiffCom leverages raw channel-received signal as a fine-grained condition to guide stochastic posterior sampling.

Deep Generative Modeling Reshapes Compression and Transmission: From Efficiency to Resiliency

no code implementations10 Jun 2024 Jincheng Dai, Xiaoqi Qin, Sixian Wang, Lexi Xu, Kai Niu, Ping Zhang

In this article, we reveal the dual-functionality of deep generative models that reshapes both data compression for efficiency and transmission error concealment for resiliency.

Data Compression

WHALE-FL: Wireless and Heterogeneity Aware Latency Efficient Federated Learning over Mobile Devices via Adaptive Subnetwork Scheduling

no code implementations1 May 2024 Huai-an Su, Jiaxiang Geng, Liang Li, Xiaoqi Qin, Yanzhao Hou, Hao Wang, Xin Fu, Miao Pan

Although such fixed size subnetwork assignment enables FL training over heterogeneous mobile devices, it is unaware of (i) the dynamic changes of devices' communication and computing conditions and (ii) FL training progress and its dynamic requirements of local training contributions, both of which may cause very long FL training delay.

Federated Learning Scheduling

Pragmatic Communication in Multi-Agent Collaborative Perception

no code implementations23 Jan 2024 Yue Hu, Xianghe Pang, Xiaoqi Qin, Yonina C. Eldar, Siheng Chen, Ping Zhang, Wenjun Zhang

Following this strategy, we first formulate a mathematical optimization framework for the perception-communication trade-off and then propose PragComm, a multi-agent collaborative perception system with two key components: i) single-agent detection and tracking and ii) pragmatic collaboration.

3D Object Detection object-detection

Fundamental Limitation of Semantic Communications: Neural Estimation for Rate-Distortion

no code implementations2 Jan 2024 Dongxu Li, Jianhao Huang, Chuan Huang, Xiaoqi Qin, Han Zhang, Ping Zhang

For the case with unknown semantic source distribution, while only a set of the source samples is available, we propose a neural-network-based method by leveraging the generative networks to learn the semantic source distribution.

Harnessing Inherent Noises for Privacy Preservation in Quantum Machine Learning

no code implementations18 Dec 2023 Keyi Ju, Xiaoqi Qin, Hui Zhong, Xinyue Zhang, Miao Pan, Baoling Liu

Quantum computing revolutionizes the way of solving complex problems and handling vast datasets, which shows great potential to accelerate the machine learning process.

Binary Classification Quantum Machine Learning

Fully-Passive versus Semi-Passive IRS-Enabled Sensing: SNR and CRB Comparison

no code implementations10 Nov 2023 Xianxin Song, Xinmin Li, Xiaoqi Qin, Jie Xu, Tony Xiao Han, Derrick Wing Kwan Ng

Accordingly, we analyze the sensing signal-to-noise ratio (SNR) performance for a target detection scenario and the estimation Cram\'er-Rao bound (CRB) performance for a target's direction-of-arrival (DoA) estimation scenario, in cases where the transmit beamforming at the BS and the reflective beamforming at the IRS are jointly optimized.

SwinJSCC: Taming Swin Transformer for Deep Joint Source-Channel Coding

2 code implementations18 Aug 2023 Ke Yang, Sixian Wang, Jincheng Dai, Xiaoqi Qin, Kai Niu, Ping Zhang

As one of the key techniques to realize semantic communications, end-to-end optimized neural joint source-channel coding (JSCC) has made great progress over the past few years.

Fully-Passive versus Semi-Passive IRS-Enabled Sensing: SNR Analysis

no code implementations10 Aug 2023 Xianxin Song, Xinmin Li, Xiaoqi Qin, Jie Xu

This paper compares the signal-to-noise ratio (SNR) performance between the fully-passive intelligent reflecting surface (IRS)-enabled non-line-of-sight (NLoS) sensing versus its semi-passive counterpart.

Cramér-Rao Bound Minimization for IRS-Enabled Multiuser Integrated Sensing and Communications

no code implementations30 Jun 2023 Xianxin Song, Xiaoqi Qin, Jie Xu, Rui Zhang

Accordingly, we model two types of CU receivers, namely Type-I and Type-II CU receivers, which do not have and have the capability of canceling the interference from the sensing signals, respectively.

Toward Intelligent and Efficient 6G Networks: JCSC Enabled On-Purpose Machine Communications

no code implementations30 Jun 2023 Ping Zhang, Heng Yang, Zhiyong Feng, Yanpeng Cui, Jincheng Dai, Xiaoqi Qin, Jinglin Li, Qixun Zhang

Driven by the vision of "intelligent connection of everything" toward 6G, the collective intelligence of networked machines can be fully exploited to improve system efficiency by shifting the paradigm of wireless communication design from naive maximalist approaches to intelligent value-based approaches.

AoI-Delay Tradeoff in Mobile Edge Caching: A Mixed-Order Drift-Plus-Penalty Algorithm

no code implementations18 Apr 2023 Ran Li, Chuan Huang, Xiaoqi Qin, Lei Yang

Mobile edge caching (MEC) is a promising technique to improve the quality of service (QoS) for mobile users (MU) by bringing data to the network edge.

Decision Making Scheduling +1

NeurJSCC Enabled Semantic Communications: Paradigms, Applications, and Potentials

no code implementations26 Mar 2023 Sixian Wang, Jincheng Dai, Xiaoqi Qin, Kai Niu, Ping Zhang

We first focus on those two paradigms of NeurJSCC by identifying their common and different components in building end-to-end communication systems.

Improved Nonlinear Transform Source-Channel Coding to Catalyze Semantic Communications

1 code implementation26 Mar 2023 Sixian Wang, Jincheng Dai, Xiaoqi Qin, Zhongwei Si, Kai Niu, Ping Zhang

First, we introduce a contextual entropy model to better capture the spatial correlations among the semantic latent features, thereby more accurate rate allocation and contextual joint source-channel coding are developed accordingly to enable higher coding gain.

Data Interaction

Joint Task and Data Oriented Semantic Communications: A Deep Separate Source-channel Coding Scheme

no code implementations27 Feb 2023 Jianhao Huang, Dongxu Li, Chuan Huang, Xiaoqi Qin, Wei zhang

This paper proposes a deep separate source-channel coding (DSSCC) framework for the joint task and data oriented semantic communications (JTD-SC) and utilizes the variational autoencoder approach to solve the rate-distortion problem with semantic distortion.

Bayesian Inference Data Compression

Toward Adaptive Semantic Communications: Efficient Data Transmission via Online Learned Nonlinear Transform Source-Channel Coding

no code implementations8 Nov 2022 Jincheng Dai, Sixian Wang, Ke Yang, Kailin Tan, Xiaoqi Qin, Zhongwei Si, Kai Niu, Ping Zhang

Specifically, we update the off-the-shelf pre-trained models after deployment in a lightweight online fashion to adapt to the distribution shifts in source data and environment domain.

Semantic Communication

Communication Beyond Transmitting Bits: Semantics-Guided Source and Channel Coding

no code implementations4 Aug 2022 Jincheng Dai, Ping Zhang, Kai Niu, Sixian Wang, Zhongwei Si, Xiaoqi Qin

Classical communication paradigms focus on accurately transmitting bits over a noisy channel, and Shannon theory provides a fundamental theoretical limit on the rate of reliable communications.

Diversity

Wireless Deep Video Semantic Transmission

no code implementations26 May 2022 Sixian Wang, Jincheng Dai, Zijian Liang, Kai Niu, Zhongwei Si, Chao Dong, Xiaoqi Qin, Ping Zhang

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.

Nonlinear Transform Source-Channel Coding for Semantic Communications

1 code implementation21 Dec 2021 Jincheng Dai, Sixian Wang, Kailin Tan, Zhongwei Si, Xiaoqi Qin, Kai Niu, Ping Zhang

In the considered model, the transmitter first learns a nonlinear analysis transform to map the source data into latent space, then transmits the latent representation to the receiver via deep joint source-channel coding.

Differentially Private ADMM for Distributed Medical Machine Learning

no code implementations7 Jan 2019 Jiahao Ding, Xiaoqi Qin, Wenjun Xu, Yanmin Gong, Chi Zhang, Miao Pan

Due to massive amounts of data distributed across multiple locations, distributed machine learning has attracted a lot of research interests.

BIG-bench Machine Learning

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