no code implementations • EMNLP 2021 • Jiachen Tian, Shizhan Chen, Xiaowang Zhang, Zhiyong Feng, Deyi Xiong, Shaojuan Wu, Chunliu Dou
Difficult samples of the minority class in imbalanced text classification are usually hard to be classified as they are embedded into an overlapping semantic region with the majority class.
no code implementations • 23 Apr 2024 • Bohao Lu, Zhiqing Wei, Huici Wu, Xinrui Zeng, Lin Wang, Xi Lu, Dongyang Mei, Zhiyong Feng
Utilizing widely distributed communication nodes to achieve environmental reconstruction is one of the significant scenarios for Integrated Sensing and Communication (ISAC) and a crucial technology for 6G.
no code implementations • 11 Apr 2024 • Chunwei Meng, Dingyou Ma, Xu Chen, Zhiyong Feng, Yuanwei Liu
A generic modular array architecture is proposed, featuring uniform/non-uniform subarray layouts that allows for flexible deployment.
no code implementations • 5 Mar 2024 • Zhiqing Wei, Haotian Liu, Zhiyong Feng, Huici Wu, Fan Liu, Qixun Zhang
With the mobile communication system evolving into 6th-generation (6G), the Internet of Everything (IoE) is becoming reality, which connects human, big data and intelligent machines to support the intelligent decision making, reconfiguring the traditional industries and human life.
no code implementations • 29 Nov 2023 • Yaokun Liu, Xiaowang Zhang, Minghui Zou, Zhiyong Feng
Although multi-interest recommenders have achieved significant progress in the matching stage, our research reveals that existing models tend to exhibit an under-clustered item embedding space, which leads to a low discernibility between items and hampers item retrieval.
no code implementations • 13 Nov 2023 • Fuwang Dong, Fan Liu, Shihang Lu, Yifeng Xiong, Qixun Zhang, Zhiyong Feng
Exploring the mutual benefit and reciprocity of sensing and communication (S\&C) functions is fundamental to realizing deeper integration for integrated sensing and communication (ISAC) systems.
no code implementations • 12 Oct 2023 • Sai Huang, Yuting Chen, Jiashuo He, Shuo Chang, Zhiyong Feng
Specifically, we first transform the received signal to the spectral quotient (SQ) sequence by spectral circular shift division operations.
no code implementations • 12 Oct 2023 • Yanpeng Cui, Qixun Zhang, Zhiyong Feng, Qin Wen, Ying Zhou, Zhiqing Wei, Ping Zhang
This paper presents a novel sensing-assisted beam management approach, the first solution that fully utilizes the information from the visual domain to improve communication performance.
no code implementations • 11 Oct 2023 • Zhiqing Wei, Chenfei Li, Yanpeng Cui, Xu Chen, Zeyang Meng, Zhiyong Feng
In order to further reduce the convergence time of ND, this paper introduces the ISAC-enabled gossip mechanism into the ND algorithm.
1 code implementation • 10 Oct 2023 • Bohao Lu, Zhiqing Wei, Lin Wang, Ruiyun Zhang, Zhiyong Feng
Integrated Sensing and Communication(ISAC) has become a key technology for the 5th generation (5G) and 6th generation (6G) wireless communications due to its high spectrum utilization efficiency.
no code implementations • 4 Oct 2023 • Haotian Liu, Zhiqing Wei, Fengyun Li, Yuewei Lin, Hanyang Qu, Huici Wu, Zhiyong Feng
The ISAC-enabled mobile communication system regularly operate in non-continuous spectrum bands due to crowded licensed frequency bands.
no code implementations • 25 Sep 2023 • Zhiqing Wei, Haotian Liu, Xinyi Yang, Wangjun Jiang, Huici Wu, Xingwang Li, Zhiyong Feng
The future mobile communication systems will support intelligent applications such as Internet of Vehicles (IoV) and Extended Reality (XR).
no code implementations • 13 Aug 2023 • Zhiqing Wei, Ruizhong Xu, Zhiyong Feng, Huici Wu, Ning Zhang, Wangjun Jiang, Xiaoyu Yang
This work may provide a guideline for the design of multi-BS cooperative sensing system to exploit the widely deployed networked mobile communication system.
no code implementations • 4 Aug 2023 • Wangjun Jiang, Zhiqing Wei, Zhiyong Feng
To evaluate the performance of 5G signal in SLAM, we analyze and simulate the mapping error of 5G signal sensing by ET-GOPSA.
no code implementations • 14 Jul 2023 • Wangjun Jiang, Dingyou Ma, Zhiqing Wei, Zhiyong Feng, Ping Zhang
From the simulation results, ISAC-NET obtains better communication performance than the traditional signal demodulation algorithm, which is close to OAMP-Net2.
no code implementations • 13 Jul 2023 • Lin Wang, Zhiqing Wei, Liyan Su, Zhiyong Feng, Huici Wu, Dongsheng Xue
Integrated sensing and communication (ISAC) will greatly enhance the efficiency of physical resource utilization.
no code implementations • 30 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.
no code implementations • 30 Jun 2023 • Yanpeng Cui, Zhiyong Feng, Qixun Zhang, Zhiqing Wei, Chenlong Xu, Ping Zhang
This tutorial for the intelligent and efficient UAV network brings new insight on providing dual-domain identity via ISAC technology, with an eye on trusted and swift communication research tailored for the 6G UAV network.
no code implementations • 28 Jun 2023 • Yanpeng Cui, Qixun Zhang, Zhiyong Feng, Fan Liu, Ce Shi, Jinpo Fan, Ping Zhang
Beam alignment is essential to compensate for the high path loss in the millimeter-wave (mmWave) Unmanned Aerial Vehicle (UAV) network.
no code implementations • 8 Jun 2023 • Zhiqing Wei, Hanyang Qu, Wangjun Jiang, Kaifeng Han, Huici Wu, Zhiyong Feng
In this paper, phase coding is applied in ISAC signal design to improve the anti-noise performance of ISAC signal.
no code implementations • 21 Nov 2022 • Zhiqing Wei, YuAn Wang, Liang Ma, Shaoshi Yang, Zhiyong Feng, Chengkang Pan, Qixun Zhang, Yajuan Wang, Huici Wu, Ping Zhang
In this paper, we investigate how to apply the positioning reference signal (PRS) of the 5th generation (5G) mobile communications in radar sensing.
no code implementations • 2 Sep 2022 • Yue Cao, Shaoshi Yang, Zhiyong Feng
We propose a geographic and spatio-temporal information based distributed cooperative positioning (GSTICP) algorithm for wireless networks that require three-dimensional (3D) coordinates and operate in the line-of-sight (LOS) and nonline-of-sight (NLOS) mixed environments.
no code implementations • 25 Aug 2022 • Yue Cao, Shaoshi Yang, Zhiyong Feng, Lihua Wang, Lajos Hanzo
A distributed spatio-temporal information based cooperative positioning (STICP) algorithm is proposed for wireless networks that require three-dimensional (3D) coordinates and operate in the global navigation satellite system (GNSS) denied environments.
no code implementations • 24 May 2022 • Xiao Meng, Fan Liu, Christos Masouros, Weijie Yuan, Qixun Zhang, Zhiyong Feng
In this paper, we propose sensing-assisted beamforming designs for vehicles on arbitrarily shaped roads by relying on integrated sensing and communication (ISAC) signalling. Specifically, we aim to address the limitations of conventional ISAC beam-tracking schemes that do not apply to complex road geometries.
no code implementations • 20 May 2022 • Yi Wang, Zhiqing Wei, Zhiyong Feng
This article provides an overview of the beam training and tracking technologies on mmWave bands and reveals the insights for future research in the 6th Generation (6G) mobile network.
no code implementations • 26 Apr 2022 • Chunliu Dou, Shaojuan Wu, Xiaowang Zhang, Zhiyong Feng, Kewen Wang
The relation classification is to identify semantic relations between two entities in a given text.
no code implementations • 23 Apr 2022 • Meng Xing, Zhiyong Feng, Yong Su, Changjae Oh
For a new in-distribution (ID) dataset, existing methods require retraining to capture the dataset-specific feature representation or data distribution.
Out-of-Distribution Detection Out of Distribution (OOD) Detection
1 code implementation • ACL 2022 • Linjuan Wu, Shaojuan Wu, Xiaowang Zhang, Deyi Xiong, Shizhan Chen, Zhiqiang Zhuang, Zhiyong Feng
To explicitly transfer only semantic knowledge to the target language, we propose two groups of losses tailored for semantic and syntactic encoding and disentanglement.
1 code implementation • 27 Dec 2021 • Dongxiao He, Chundong Liang, Huixin Liu, Mingxiang Wen, Pengfei Jiao, Zhiyong Feng
Graph Convolutional Network (GCN) has shown remarkable potential of exploring graph representation.
no code implementations • 6 Aug 2021 • Zhiqing Wei, Fengkai Zhang, Shuo Chang, Yangyang Liu, Huici Wu, Zhiyong Feng
Millimeter wave (mmWave) radar and vision fusion is a mainstream solution for accurate obstacle detection.
1 code implementation • 25 Feb 2021 • J. Andrew Zhang, Fan Liu, Christos Masouros, Robert W. Heath Jr., Zhiyong Feng, Le Zheng, Athina Petropulu
Joint communication and radar sensing (JCR) represents an emerging research field aiming to integrate the above two functionalities into a single system, sharing a majority of hardware and signal processing modules and, in a typical case, sharing a single transmitted signal.
no code implementations • 5 Jan 2021 • Peiyun Wu, Yunjie Wu, Linjuan Wu, Xiaowang Zhang, Zhiyong Feng
Existing semantic parsing approaches mainly focus on relations matching with paying less attention to the underlying internal structure of questions (e. g., the dependencies and relations between all entities in a question) to select the query graph.
no code implementations • 20 Jun 2020 • Shuo Chang, Yifan Zhang, Sai Huang, Yuanyuan Yao, Zhiyong Feng
In general, Siamese tracking algorithms, supervised by logistic loss and triplet loss, increase the value of inner product between exemplar template and positive sample while reduce the value of inner product with background sample.
no code implementations • 26 Nov 2019 • Heng Zhang, Yan Zhang, Jia-Huai You, Zhiyong Feng, Guifei Jiang
On the negative side, we prove that there is, in general, no universal language for each of these families of languages.
no code implementations • 18 Sep 2018 • Chengwei Zhang, Xiaohong Li, Jianye Hao, Siqi Chen, Karl Tuyls, Zhiyong Feng, Wanli Xue, Rong Chen
Although many reinforcement learning methods have been proposed for learning the optimal solutions in single-agent continuous-action domains, multiagent coordination domains with continuous actions have received relatively few investigations.
no code implementations • 16 Jun 2018 • Lijing Zhang, Xiaowang Zhang, Zhiyong Feng
In this paper, we present an embedding-based framework (TrQuery) for recommending solutions of a SPARQL query, including approximate solutions when exact querying solutions are not available due to incompleteness or inconsistencies of real-world RDF data.
no code implementations • CVPR 2017 • Weilong Peng, Zhiyong Feng, Chao Xu, Yong Su
As any pre-learnt subspace is not complete to handle the variety and details of faces and expressions, it covers a limited span of morphing.
no code implementations • 21 Jan 2016 • Weilong Peng, Zhiyong Feng, Chao Xu
In this paper, B-spline Shape from Motion and Shading (BsSfMS) is proposed to reconstruct continuous B-spline surface for multi-view face images, according to an assumption that shading and motion information in the images contain 1st- and 0th-order derivative of B-spline face respectively.