Zobrazeno 1 - 10
of 2 996
pro vyhledávání: '"Chao, Kai"'
The deployment of multiple reconfigurable intelligent surfaces (RISs) enhances the propagation environment by improving channel quality, but it also complicates channel estimation. Following the conventional wireless communication system design, whic
Externí odkaz:
http://arxiv.org/abs/2411.14088
Future wireless networks are poised to transform into integrated sensing and communication (ISAC) networks, unlocking groundbreaking services such as digital twinning. To harness the full potential of ISAC networks, it is essential to experimentally
Externí odkaz:
http://arxiv.org/abs/2410.22956
This paper introduces a novel smartphone-enabled localization technology for ambient Internet of Things (IoT) devices, leveraging the widespread use of smartphones. By utilizing the passive movement of a smartphone, we create a virtual large array th
Externí odkaz:
http://arxiv.org/abs/2410.20330
Semantic communication, augmented by knowledge bases (KBs), offers substantial reductions in transmission overhead and resilience to errors. However, existing methods predominantly rely on end-to-end training to construct KBs, often failing to fully
Externí odkaz:
http://arxiv.org/abs/2410.18364
The rapid development of artificial intelligence has significantly advanced semantic communications, particularly in wireless image transmission. However, most existing approaches struggle to precisely distinguish and prioritize image content, and th
Externí odkaz:
http://arxiv.org/abs/2410.17536
Autor:
Wen, Chao-Kai, Chan, Yen-Cheng, Huang, Tzu-Hao, Zeng, Hao-Jun, Wang, Fu-Kang, Tsai, Lung-Sheng, Liao, Pei-Kai
The trend toward using increasingly large arrays of antenna elements continues. However, fitting more antennas into the limited space available on user equipment (UE) within the currently popular Frequency Range 1 spectrum presents a significant chal
Externí odkaz:
http://arxiv.org/abs/2409.15109
In the realm of reconfigurable intelligent surface (RIS)-assisted communication systems, the connection between a base station (BS) and user equipment (UE) is formed by a cascaded channel, merging the BS-RIS and RIS-UE channels. Due to the fixed posi
Externí odkaz:
http://arxiv.org/abs/2409.08149
Autor:
Chen, Weicong, Yang, Xinyi, Wen, Chao-Kai, Tang, Wankai, Wang, Jinghe, Yuan, Yifei, Li, Xiao, Jin, Shi
The passive reconfigurable intelligent surface (RIS) requires numerous elements to achieve adequate array gain, which linearly increases power consumption (PC) with the number of reflection phases. To address this, this letter introduces a rotatable
Externí odkaz:
http://arxiv.org/abs/2408.12069
In pursuit of enhanced quality of service and higher transmission rates, communication within the mid-band spectrum, such as bands in the 6-15 GHz range, combined with extra large-scale multiple-input multiple-output (XL-MIMO), is considered a potent
Externí odkaz:
http://arxiv.org/abs/2408.10737
Massive multiple-input multiple-output (MIMO) technology has significantly enhanced spectral and power efficiency in cellular communications and is expected to further evolve towards extra-large-scale MIMO. However, centralized processing for massive
Externí odkaz:
http://arxiv.org/abs/2407.18489