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Related papers: CA-FedRC: Codebook Adaptation via Federated Reserv…

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Beam codebooks are a recent feature to enable high dimension multiple-input multiple-output in 5G. Codebooks comprised of customizable beamforming weights can be used to transmit reference signals and aid the channel state information (CSI)…

Signal Processing · Electrical Eng. & Systems 2023-05-17 Ryan M. Dreifuerst , Robert W. Heath

Codebooks have been indispensable for wireless communication standard since the first release of the Long-Term Evolution in 2009. They offer an efficient way to acquire the channel state information (CSI) for multiple antenna systems.…

Information Theory · Computer Science 2023-06-14 Ziao Qin , Haifan Yin

Beam codebooks are a new feature of massive multiple-input multiple-output (M-MIMO) in 5G new radio (NR). Codebooks comprised of beamforming vectors are used to transmit reference signals and obtain limited channel state information (CSI)…

Signal Processing · Electrical Eng. & Systems 2022-04-14 Ryan M. Dreifuerst , Robert W. Heath , Ali Yazdan

Reservoir computers (RCs) provide a computationally efficient alternative to deep learning while also offering a framework for incorporating brain-inspired computational principles. By using an internal neural network with random, fixed…

Neural and Evolutionary Computing · Computer Science 2025-04-18 Keshav Srinivasan , Dietmar Plenz , Michelle Girvan

There is a fundamental trade-off between the channel representation resolution of codebooks and the overheads of feedback communications in the fifth generation new radio (5G NR) frequency division duplex (FDD) massive multiple-input and…

Signal Processing · Electrical Eng. & Systems 2020-10-23 Kai Li , Ying Li , Lei Cheng , Qingjiang Shi , Zhi-Quan Luo

The acquisition of channel state information (CSI) in Frequency Division Duplex (FDD) massive MIMO has been a formidable challenge. In this paper, we address this problem with a novel CSI feedback framework enabled by the partial…

Information Theory · Computer Science 2022-01-27 Haifan Yin , David Gesbert

Federated learning effectively addresses issues such as data privacy by collaborating across participating devices to train global models. However, factors such as network topology and device computing power can affect its training or…

Machine Learning · Computer Science 2023-11-29 Yizhuo Cai , Bo Lei , Qianying Zhao , Jing Peng , Min Wei , Yushun Zhang , Xing Zhang

The expanding use of Unmanned Aerial Vehicles (UAVs) in vital areas like traffic management, surveillance, and environmental monitoring highlights the need for robust communication and navigation systems. Particularly vulnerable are Global…

Signal Processing · Electrical Eng. & Systems 2024-08-26 Ziqiang Ye , Yulan Gao , Xinyue Liu , Yue Xiao , Ming Xiao , Saviour Zammit

In this paper, we investigate the performance gains of adapting pilot spacing and power for Carrier Aggregation (CA)-OFDM systems in nonstationary wireless channels. In current multi-band CA-OFDM wireless networks, all component carriers…

Networking and Internet Architecture · Computer Science 2017-09-12 Raghunandan M. Rao , Vuk Marojevic , Jeffrey H. Reed

Reservoir computing (RC) offers efficient temporal data processing with a low training cost by separating recurrent neural networks into a fixed network with recurrent connections and a trainable linear network. The quality of the fixed…

Emerging Technologies · Computer Science 2021-05-17 John Moon , Wei D. Lu

In the fifth-generation new radio (5G NR) frequency division duplex (FDD) massive multiple-input and multiple-output (MIMO) systems, downlink beamforming relies on the acquisition of downlink channel state information (CSI). Codebook based…

Signal Processing · Electrical Eng. & Systems 2024-09-04 Kai Li , Ying Li , Lei Cheng , Zhi-Quan Luo

Quantum reservoir computing (QRC) leverages the natural dynamics of quantum systems to process time-series data efficiently, offering a promising approach for near-term quantum devices. Unlike classical reservoir computing, the efficacy of…

Quantum Physics · Physics 2025-03-25 Tomoya Monomi , Wataru Setoyama , Yoshihiko Hasegawa

The reservoir computing paradigm is employed to classify heartbeat anomalies online based on electrocardiogram signals. Inspired by the principles of information processing in the brain, reservoir computing provides a framework to design,…

Machine Learning · Computer Science 2019-07-24 Fatemeh Hadaeghi

Cellular traffic prediction is of great importance on the path of enabling 5G mobile networks to perform intelligent and efficient infrastructure planning and management. However, available data are limited to base station logging…

Machine Learning · Computer Science 2023-08-29 Vasileios Perifanis , Nikolaos Pavlidis , Remous-Aris Koutsiamanis , Pavlos S. Efraimidis

Intelligent reflecting surfaces (IRS) consist of configurable meta-atoms, which can change the wireless propagation environment through design of their reflection coefficients. We consider a practical setting where (i) the IRS reflection…

Signal Processing · Electrical Eng. & Systems 2021-12-06 Junghoon Kim , Seyyedali Hosseinalipour , Andrew C. Marcum , Taejoon Kim , David J. Love , Christopher G. Brinton

Federated Recommendation (FedRec) systems have emerged as a solution to safeguard users' data in response to growing regulatory concerns. However, one of the major challenges in these systems lies in the communication costs that arise from…

Machine Learning · Computer Science 2024-02-29 Ngoc-Hieu Nguyen , Tuan-Anh Nguyen , Tuan Nguyen , Vu Tien Hoang , Dung D. Le , Kok-Seng Wong

The fundamental design of wireless systems toward AI-native 6G and beyond is driven by the need for ever-increasing demand of mobile data traffic, extreme spectral efficiency, and adaptability across diverse service scenarios. To overcome…

Systems and Control · Electrical Eng. & Systems 2025-12-05 Bo Qian , Hanlin Wu , Jiacheng Chen , Yunting Xu , Xiaoyu Wang , Haibo Zhou , Yusheng Ji

In conventional federated hyperdimensional computing (HDC), training larger models usually results in higher predictive performance but also requires more computational, communication, and energy resources. If the system resources are…

Machine Learning · Computer Science 2023-06-05 Nikita Zeulin , Olga Galinina , Nageen Himayat , Sergey Andreev

Emerging 5G/6G use cases span various industries, necessitating flexible solutions that leverage emerging technologies to meet diverse and stringent application requirements under changing network conditions. The standard 5G RAN solution,…

Networking and Internet Architecture · Computer Science 2024-08-13 Osel Lhamo , Tung V. Doan , Elif Tasdemir , Mahdi Attawna , Giang T. Nguyen , Patrick Seeling , Martin Reisslein , Frank H. P. Fitzek

The fifth generation (5G) of the wireless communication networks supports wide diversity of service classes, leading to a highly dynamic uplink (UL) and downlink (DL) traffic asymmetry. Thus, dynamic time division duplexing (TDD) technology…

Signal Processing · Electrical Eng. & Systems 2019-02-11 Ali A. Esswie , Klaus I. Pedersen
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