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相关论文: Rate Adaptation in Predictor Antenna Systems

200 篇论文

This paper introduces an innovative method for predicting wireless network traffic in concise temporal intervals for Open Radio Access Networks (O-RAN) using a transformer architecture, which is the machine learning model behind generative…

网络与互联网体系结构 · 计算机科学 2024-03-19 Md Arafat Habib , Pedro Enrique Iturria-Rivera , Yigit Ozcan , Medhat Elsayed , Majid Bavand , Raimundus Gaigalas , Melike Erol-Kantarci

While recent advancement of domain adaptation techniques is significant, most of methods only align a feature extractor and do not adapt a classifier to target domain, which would be a cause of performance degradation. We propose novel…

计算机视觉与模式识别 · 计算机科学 2021-07-07 Yohei Koga , Hiroyuki Miyazaki , Ryosuke Shibasaki

Real-world time series often exhibit a non-stationary nature, degrading the performance of pre-trained forecasting models. Test-Time Adaptation (TTA) addresses this by adjusting models during inference, but existing methods typically update…

机器学习 · 计算机科学 2025-07-01 Heitor R. Medeiros , Hossein Sharifi-Noghabi , Gabriel L. Oliveira , Saghar Irandoust

Road condition is an important environmental factor for autonomous vehicle control. A dramatic change in the road condition from the nominal status is a source of uncertainty that can lead to a system failure. Once the vehicle encounters an…

系统与控制 · 电气工程与系统科学 2020-09-30 Hunmin Kim , Wenbin Wan , Naira Hovakimyan , Lui Sha , Petros Voulgaris

This paper addresses, for the first time, the uplink performance optimization of multi-user pinching-antenna (PA) systems, recently developed for next-generation wireless networks. By leveraging the unique capabilities of PAs to dynamically…

Unmanned aerial vehicles (UAVs) have attracted significant interest from the academia and industry most recently. Motivated by the wide usage of UAVs, this paper considers UAV communication with reconfigurable antenna (RA) in the presence…

信号处理 · 电气工程与系统科学 2022-06-10 Ayse Betul Buyuksar , Eylem Erdogan , Ibrahim Altunbas

Rotatable antenna (RA) is an emerging technology that has great potential to exploit additional spatial degrees of freedom (DoFs) by flexibly altering the three-dimensional (3D) orientation/boresight of each antenna. In this demonstration,…

系统与控制 · 电气工程与系统科学 2025-03-25 Liang Dai , Beixiong Zheng , Yanhua Tan , Lipeng Zhu , Fangjiong Chen , Rui Zhang

This article considers the performance of wireless communication systems that utilize reconfigurable or pattern-dynamic antennas. The focus is on finite-state channels with memory and performance is assessed in terms of real-time behavior.…

信息论 · 计算机科学 2014-04-29 Santhosh Kumar , Jean-Francois Chamberland , Gregory H. Huff

Nowadays unmanned aerial vehicles (UAVs) are being widely applied to a wealth of civil and military applications. Robust and high-throughput wireless communication is the crux of these UAV applications. Yet, air-to-ground links suffer from…

网络与互联网体系结构 · 计算机科学 2019-10-22 Shiyue He , Wei Wang , Hang Yang , Yang Cao , Tao jiang , Qian Zhang

Reconfigurable antennas (RAs) have emerged as a promising technology for future wireless networks, offering additional flexibility for wireless communications. Among existing designs, rotatable antennas are particularly effective in…

信号处理 · 电气工程与系统科学 2026-03-03 Chao Zhang , Hu Zhou , Ruizhe Long , Ying-Chang Liang , Boon-Hee Soong

Several research works have applied Reinforcement Learning (RL) algorithms to solve the Rate Adaptation (RA) problem in Wi-Fi networks. The dynamic nature of the radio link requires the algorithms to be responsive to changes in link…

网络与互联网体系结构 · 计算机科学 2023-03-31 Ricardo Trancoso , Ruben Queiros , Helder Fontes , Rui Campos

The evolution of wireless communication systems requires flexible, energy-efficient, and cost-effective antenna technologies. Pinching antennas (PAs), which can dynamically control electromagnetic wave propagation through binary activation…

In this paper, we investigate dynamic channel and rate selection in cognitive radio systems which exploit a large number of channels free from primary users. In such systems, transmitters may rapidly change the selected (channel, rate) pair…

信息论 · 计算机科学 2014-05-13 Richard Combes , Alexandre Proutiere

Reconfigurable antennas (RAs) and movable antennas (MAs) have been recognized as promising technologies to enhance the performance of wireless communication and sensing systems by introducing additional degrees of freedom (DoFs) in tuning…

信号处理 · 电气工程与系统科学 2026-02-23 Wenyan Ma , Lipeng Zhu , Yanhua Tan , Beixiong Zheng , Yujie Zhang , Yuchen Zhang , Keke Ying , Zhen Gao , He Sun , Xiaodan Shao , Zhenyu Xiao , Dusit Niyato , Rui Zhang

To meet the urgent demands for spectral efficiency and multi-user access in high-frequency application scenario for the sixth-generation wireless communication, this paper investigates a rate splitting multiple access (RSMA) system assisted…

信号处理 · 电气工程与系统科学 2026-04-17 Peiyu Wang , Hong Wang , Yaru Fu , Rongfang Song

We consider channel estimation for high-speed railway communication systems, where both the transmitter and the receiver are equipped with large-scale antenna arrays. It is known that the throughput of conventional training schemes…

信息论 · 计算机科学 2016-03-25 Tao Li , Xiaodong Wang , Pingyi Fan , Taneli Riihonen

Non-fixed flexible antenna architectures, such as fluid antenna system (FAS), movable antenna (MA), and pinching antenna, have garnered significant interest in recent years. Among them, rotatable antenna (RA) is an emerging technology that…

信息论 · 计算机科学 2025-09-05 Beixiong Zheng , Tiantian Ma , Changsheng You , Jie Tang , Robert Schober , Rui Zhang

Connected and autonomous vehicles (CAVs) possess the capability of perception and information broadcasting with other CAVs and connected intersections. Additionally, they exhibit computational abilities and can be controlled strategically,…

计算工程、金融与科学 · 计算机科学 2024-07-23 Maziar Zamanpour , Suiyi He , Michael W. Levin , Zongxuan Sun

Over-the-air computation (AirComp) enables fast data aggregation for edge intelligence applications. However the performance of AirComp can be severely degraded by channel misalignments. Pinching antenna systems (PASS) have recently emerged…

信息论 · 计算机科学 2025-05-13 Zhonghao Lyu , Haoyun Li , Yulan Gao , Ming Xiao , H. Vincent Poor

In this paper, we analyze the performance of a reconfigurable intelligent surface (RIS)-assisted unmanned aerial vehicle (UAV) wireless system that is affected by mixture-gamma small-scale fading, stochastic disorientation, and…

信号处理 · 电气工程与系统科学 2022-01-31 Alexandros-Apostolos A. Boulogeorgos , Angeliki Alexiou , Marco Di Renzo