Zobrazeno 1 - 10
of 8 997
pro vyhledávání: '"sum-rate maximization"'
Feeding power amplifiers (PAs) with constant envelope (CE) signals is an effective way to reduce the power consumption in massive multiple-input-multiple-output (MIMO) systems. The nonlinear distortion caused by CE signaling must be mitigated by mean
Externí odkaz:
http://arxiv.org/abs/2411.03084
Reconfigurable intelligent surface (RIS) has been envisioned as a key technology in future wireless communication networks to enable smart radio environment. To further enhance the passive beamforming capability of RIS, beyond diagonal (BD)-RIS has b
Externí odkaz:
http://arxiv.org/abs/2411.18523
Autor:
Zhang, Cixiao, Peng, Size, Xu, Yin, Wu, Qingqing, Ou, Xiaowu, Guo, Xinghao, He, Dazhi, Zhang, Wenjun
Rate splitting multiple access (RSMA) is regarded as a crucial and powerful physical layer (PHY) paradigm for next-generation communication systems. Particularly, users employ successive interference cancellation (SIC) to decode part of the interfere
Externí odkaz:
http://arxiv.org/abs/2411.08509
Reconfigurable holographic surfaces (RHS) are intrinsically amalgamated with reconfigurable intelligent surfaces (RIS), for beneficially ameliorating the signal propagation environment. This potent architecture significantly improves the system perfo
Externí odkaz:
http://arxiv.org/abs/2410.15995
The propagation loss of RF signals is a significant issue in simultaneous wireless information and power transfer (SWIPT) systems. Additionally, ensuring information security is crucial due to the broadcasting nature of wireless channels. To address
Externí odkaz:
http://arxiv.org/abs/2410.13180
In this letter, we propose to employ movable antenna (MA) to enhance covert communications with noise uncertainty, where the confidential data is transmitted from an MA-aided access point (AP) to multiple users with a warden attempting to detect the
Externí odkaz:
http://arxiv.org/abs/2410.09436
This paper studies the interference broadcast channel comprising multiple multi-antenna Base Stations (BSs), each controlling a beyond diagonal Reconfigurable Intelligent Surface (RIS) and serving multiple single-antenna users. Wideband transmissions
Externí odkaz:
http://arxiv.org/abs/2409.03841
Movable antenna (MA) has been recently proposed as a promising candidate technology for the next generation wireless communication systems due to its significant capability of reconfiguring wireless channels via antenna movement. In this letter, we s
Externí odkaz:
http://arxiv.org/abs/2408.06789
The plethora of wirelessly connected devices, whose deployment density is expected to largely increase in the upcoming sixth Generation (6G) of wireless networks, will naturally necessitate substantial advances in multiple access schemes. Reconfigura
Externí odkaz:
http://arxiv.org/abs/2406.19334
This paper considers a multi-user multiple-input multiple-output (MU-MIMO) system where the precoding matrix is selected in a baseband unit (BBU) and then sent over a digital fronthaul to the transmitting antenna array. The fronthaul has a limited bi
Externí odkaz:
http://arxiv.org/abs/2406.19183