no code implementations • 11 Apr 2024 • Saichao Liu, Geng Sun, Jiahui Li, Shuang Liang, Qingqing Wu, Pengfei Wang, Dusit Niyato
To improve the work efficiency of the UVAA, we formulate a UAV-enabled collaborative beamforming multi-objective optimization problem (UCBMOP) to simultaneously maximize the transmission rate of the UVAA and minimize the energy consumption of all UAVs by optimizing the positions and excitation current weights of all UAVs.
no code implementations • 11 Apr 2024 • Jiahui Li, Geng Sun, Qingqing Wu, Dusit Niyato, Jiawen Kang, Abbas Jamalipour, Victor C. M. Leung
Specifically, it is found that DCB enables terminals that cannot reach the uplink achievable threshold to achieve efficient direct uplink transmission, which thus reveals that DCB is an effective solution for enabling direct ground-space communications.
no code implementations • 6 Apr 2024 • Zemin Sun, Geng Sun, Long He, Fang Mei, Shuang Liang, Yanheng Liu
In the short time scale, we propose a price-incentive method for on-demand computing resource allocation and a matching mechanism-based method for computation offloading.
no code implementations • 23 Mar 2024 • Zemin Sun, Geng Sun, Qingqing Wu, Long He, Shuang Liang, Hongyang Pan, Dusit Niyato, Chau Yuen, Victor C. M. Leung
Since the problem is a non-convex and NP-hard mixed integer nonlinear programming (MINLP), we propose a two-timescale joint computing resource allocation, computation offloading, and trajectory control (TJCCT) approach for solving the problem.
no code implementations • 6 Mar 2024 • Jingru Zhu, Ya Guo, Geng Sun, Liang Hong, Jie Chen
Then, a causal prototypical contrast module is used to learn domain invariant causal features.
no code implementations • 3 Oct 2023 • Chuang Zhang, Geng Sun, Qingqing Wu, Jiahui Li, Shuang Liang, Dusit Niyato, Victor C. M. Leung
Unmanned aerial vehicles (UAVs) as aerial relays are practically appealing for assisting Internet of Things (IoT) network.
no code implementations • 30 Sep 2023 • Yanheng Liu, Hongyang Pan, Geng Sun, Aimin Wang, Jiahui Li, Shuang Liang
Wireless rechargeable sensor networks with a charging unmanned aerial vehicle (CUAV) have the broad application prospects in the power supply of the rechargeable sensor nodes (SNs).
no code implementations • 30 Sep 2023 • Hongyang Pan, Yanheng Liu, Geng Sun, Junsong Fan, Shuang Liang, Chau Yuen
For UTTOP, we first introduce a pretreatment method, and then use an improved particle swarm optimization with Normal distribution initialization, Genetic mechanism, Differential mechanism and Pursuit operator (PSO-NGDP) to deal with this sub optimization problem.
no code implementations • 17 Aug 2023 • Geng Sun, Long He, Zemin Sun, Qingqing Wu, Shuang Liang, Jiahui Li, Dusit Niyato, Victor C. M. Leung
Unmanned aerial vehicles (UAVs) play an increasingly important role in assisting fast-response post-disaster rescue due to their fast deployment, flexible mobility, and low cost.
no code implementations • 3 Aug 2023 • Jiahui Li, Geng Sun, Lingjie Duan, Qingqing Wu
The existing UAV-assisted data harvesting and dissemination schemes largely require UAVs to frequently fly between the IoTs and access points, resulting in extra energy and time costs.
no code implementations • IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 2022 • Wenyu Yu, Hui Kang, Geng Sun, Member, Shuang Liang, and Jiahui Li, Student Member, IEEE
Finally, the proposed ISSA is utilized to solve the objective function.
1 code implementation • 16 Aug 2022 • Jingru Zhu, Ya Guo, Geng Sun, Libo Yang, Min Deng, Jie Chen
This study proposes a novel unsupervised domain adaptation semantic segmentation network (MemoryAdaptNet) for the semantic segmentation of HRS imagery.
1 code implementation • NeurIPS 2020 • Chaoning Zhang, Philipp Benz, Adil Karjauv, Geng Sun, In Kweon
This is the first work demonstrating the success of (DNN-based) hiding a full image for watermarking and LFM.
no code implementations • 12 Feb 2020 • Xin-long Luo, Jia-hui Lv, Geng Sun
This paper investigates the localization problem of high-speed high-altitude unmanned aerial vehicle (UAV) with a monocular camera and inertial navigation system.
no code implementations • 11 Feb 2020 • Xin-long Luo, Geng Sun
This article explores some geometric and algebraic properties of the dynamical system which is represented by matrix differential equations arising from inertial navigation problems, such as the symplecticity and the orthogonality.