Zobrazeno 1 - 10
of 1 211
pro vyhledávání: '"Liu, Yuanwei"'
A near-field sensing (NISE) enabled predictive beamforming framework is proposed to facilitate wireless communications with high-mobility channels. Unlike conventional far-field sensing, which only captures the angle and the radial velocity of the us
Externí odkaz:
http://arxiv.org/abs/2408.02027
Autor:
Zhang, Chuang, Sun, Geng, Li, Jiahui, Wu, Qingqing, Wang, Jiacheng, Niyato, Dusit, Liu, Yuanwei
Due to flexibility and low-cost, unmanned aerial vehicles (UAVs) are increasingly crucial for enhancing coverage and functionality of wireless networks. However, incorporating UAVs into next-generation wireless communication systems poses significant
Externí odkaz:
http://arxiv.org/abs/2407.08914
A novel accelerated mobile edge generation (MEG) framework is proposed for generating high-resolution images on mobile devices. Exploiting a large-scale latent diffusion model (LDM) distributed across edge server (ES) and user equipment (UE), cost-ef
Externí odkaz:
http://arxiv.org/abs/2407.07245
A novel paradigm of mobile edge generation (MEG)-enabled digital twin (DT) is proposed, which enables distributed on-device generation at mobile edge networks for real-time DT applications. First, an MEG-DT architecture is put forward to decentralize
Externí odkaz:
http://arxiv.org/abs/2407.02804
The capacity limits of continuous-aperture array (CAPA)-based wireless communications are characterized. To this end, an analytically tractable transmission framework is established for both uplink and downlink CAPA systems. Based on this framework,
Externí odkaz:
http://arxiv.org/abs/2406.15056
A novel modular extremely large-scale multiple-input-multiple-output (XL-MIMO) integrated sensing and communication (ISAC) framework is proposed in this paper. We consider a downlink ISAC scenario and exploit the modular array architecture to enhance
Externí odkaz:
http://arxiv.org/abs/2406.12323
The signal processing community is currently witnessing a growing interest in near-field signal processing, driven by the trend towards the use of large aperture arrays with high spatial resolution in the fields of communication, localization, sensin
Externí odkaz:
http://arxiv.org/abs/2406.10941
Autor:
Liu, Ruiqi, Zheng, Shuang, Wu, Qingqing, Jiang, Yifan, Zhang, Nan, Liu, Yuanwei, Di Renzo, Marco, Alexandropoulos, and George C.
Reconfigurable Intelligent Surfaces (RISs) are a novel form of ultra-low power devices that are capable to increase the communication data rates as well as the cell coverage in a cost- and energy-efficient way. This is attributed to their programmabl
Externí odkaz:
http://arxiv.org/abs/2406.05647
The concept of aperture selection is proposed for continuous aperture array (CAPA)-based communications. The achieved performance is analyzed in an uplink scenario by considering both line-of-sight (LoS) and non-line-of-sight (NLoS) scenarios. In the
Externí odkaz:
http://arxiv.org/abs/2405.16694
The performance of continuous aperture array (CAPA)-based wireless communications is analyzed in an uplink scenario. An analytical framework is proposed to characterize uplink CAPA-based transmission using electromagnetic field theories. On this basi
Externí odkaz:
http://arxiv.org/abs/2405.16690