no code implementations • 11 Mar 2024 • Chengleyang Lei, Wei Feng, Peng Wei, Yunfei Chen, Ning Ge, Shiwen Mao
Specifically, the linear quadratic regulator (LQR) control cost is used to measure the closed-loop utility, and a sum LQR cost minimization problem is formulated to jointly optimize the splitting of sensor data and allocation of communication and computing resources.
no code implementations • 3 Jan 2024 • Shusen Cai, Li Chen, Yunfei Chen, Huarui Yin, Weidong Wang
In Stage 1, differing from the traditional PF-based methods, the proposed PF-assisted method is utilized to capture the angle of arrival (AoA) of principal components (PC) of channels.
no code implementations • 16 Dec 2023 • ChenGuang Liu, Jianjun Chen, Yunfei Chen, Ryan Payton, Michael Riley, Shuang-Hua Yang
The performance of cooperative perception is investigated in different system settings.
no code implementations • 23 Nov 2023 • ChenGuang Liu, Yuxin Zhou, Yunfei Chen, Shuang-Hua Yang
In this paper, we consider the semantic communication (SemCom) system with multiple users, where there is a limited number of training samples and unexpected interference.
no code implementations • 17 Nov 2023 • ChenGuang Liu, Yunfei Chen, Jianjun Chen, Ryan Payton, Michael Riley, Shuang-Hua Yang
A new late fusion scheme is proposed to leverage the robustness of intermediate features.
no code implementations • 7 Aug 2023 • Xinran Fang, Wei Feng, Yunfei Chen, Ning Ge, Gan Zheng
In this paper, we propose a communication optimization scheme for a specific cooperation system named the "mother-daughter system".
no code implementations • 28 Feb 2023 • Cheng-Xiang Wang, Xiaohu You, Xiqi Gao, Xiuming Zhu, Zixin Li, Chuan Zhang, Haiming Wang, Yongming Huang, Yunfei Chen, Harald Haas, John S. Thompson, Erik G. Larsson, Marco Di Renzo, Wen Tong, Peiying Zhu, Xuemin, Shen, H. Vincent Poor, Lajos Hanzo
A series of white papers and survey papers have been published, which aim to define 6G in terms of requirements, application scenarios, key technologies, etc.
no code implementations • 12 Oct 2022 • Yuanyuan Ma, Tiejun Lv, Gaofeng Pan, Yunfei Chen, Mohamed-Slim Alouini
Considering the randomness of R, D, and Eves, and employing a stochastic geometry framework, the secrecy outage performance of the cooperative uplink transmission in the considered SATN is investigated and a closed-form analytical expression for the end-to-end secrecy outage probability is derived.
no code implementations • 16 Aug 2022 • Yueshan Lin, Wei Feng, Ting Zhou, Yanmin Wang, Yunfei Chen, Ning Ge, Cheng-Xiang Wang
The sixth-generation (6G) network will shift its focus to supporting everything including various machine-type devices (MTDs) in an everyone-centric manner.
no code implementations • 2 Jul 2022 • Ang Chen, Li Chen, Yunfei Chen, Changsheng You, Guo Wei, F. Richard Yu
In this paper, we improve the near-field positioning technology from the classical spherical wavefront model (SWM) to the more accurate and true electromagnetic propagation model (EPM).
no code implementations • 11 Jun 2022 • Yuanyuan Ma, Tiejun Lv, TingTing Li, Gaofeng Pan, Yunfei Chen, Mohamed-Slim Alouini
In this paper, we investigate the effect of the strong time-varying transmission distance on the performance of the low-earth orbit (LEO) satellite-terrestrial transmission (STT) system.
no code implementations • 19 May 2022 • Xinran Fang, Wei Feng, Yunfei Chen, Ning Ge, Yan Zhang
In this survey, we discuss joint communication and sensing (JCAS) in the context of MIMO.
no code implementations • 14 Apr 2022 • Li Chen, Rongjiang Nie, Yunfei Chen, Weidong Wang
The results reveal that the estimation errors of mismatch coefficients of digital and analog chains are uncorrelated, and that the mismatch coefficients of receive digital chains can be estimated perfectly.
no code implementations • 22 Jul 2020 • Chengxiao Liu, Wei Feng, Yunfei Chen, Cheng-Xiang Wang, Ning Ge
In fifth generation (5G) and beyond Internet of Things (IoT), it becomes increasingly important to serve a massive number of IoT devices outside the coverage of terrestrial cellular networks.
no code implementations • 1 Jun 2020 • Xiangling Li, Wei Feng, Jue Wang, Yunfei Chen, Ning Ge, Cheng-Xiang Wang
In this paper, we study the integration of UAVs with existing MCNs, and investigate the potential gains of hybrid satellite-UAV-terrestrial networks for maritime coverage.
no code implementations • 1 Nov 2019 • Fan Ang, Li Chen, Nan Zhao, Yunfei Chen, Weidong Wang, F. Richard Yu
Nevertheless, it is impractical to achieve a perfect acquisition of the local models in wireless communication due to noise, which also brings serious effects on federated learning.
no code implementations • 8 Oct 2019 • Wei Liu, Li Chen, Yunfei Chen, Wenyi Zhang
The proposed momentum federated learning (MFL) uses momentum gradient descent (MGD) in the local update step of FL system.
no code implementations • 22 Sep 2016 • Yueming Sun, Yi Zhang, Yunfei Chen, Roger Jin
We will explore and demonstrate the effectiveness of the learning solution even when there is no hand written rules or hand labeled training data.
no code implementations • 24 Mar 2015 • Freeha Azmat, Yunfei Chen, Nigel Stocks
In this paper, we analyze the spectrum occupancy using different machine learning techniques.