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We propose Streaming Bandits, a Restless Multi Armed Bandit (RMAB) framework in which heterogeneous arms may arrive and leave the system after staying on for a finite lifetime. Streaming Bandits naturally capture the health intervention…

Machine Learning · Computer Science 2022-02-17 Aditya Mate , Arpita Biswas , Christoph Siebenbrunner , Susobhan Ghosh , Milind Tambe

Millimeter-wave (mmWave) communication is a promising solution to the high data rate demands in the upcoming 5G and beyond communication networks. When it comes to supporting seamless connectivity in mobile scenarios, resource and handover…

Signal Processing · Electrical Eng. & Systems 2020-11-04 Sara Khosravi , Hossein S. Ghadikolaei , Marina Petrova

In this paper, we studied the problem of beam alignment for millimeter wave (mmWave) communications, in which we assume a hybrid analog and digital beamforming structure is employed at the transmitter (i.e. base station), and an…

Information Theory · Computer Science 2019-09-04 Xingjian Li , Jun Fang , Huiping Duan , Zhi Chen , Hongbin Li

We address the resource allocation challenges in NextG cellular radio access networks (RAN), where heterogeneous user applications demand guarantees on throughput and service regularity. We leverage the Whittle indexability property to…

Systems and Control · Electrical Eng. & Systems 2024-06-05 Archana Bura , Ushasi Ghosh , Dinesh Bharadia , Srinivas Shakkottai

Millimetre-wave (mmWave) technology is a promising candidate for meeting the intensifying demand for ultra fast wireless connectivity, especially in high-end enterprise networks. Very narrow beam forming is mandatory to mitigate the severe…

Networking and Internet Architecture · Computer Science 2018-02-02 Nicolo Facchi , Francesco Gringoli , Paul Patras

Millimeter-wave (mmWave) communications provide access to spectra with bandwidths and in abundance. However, the high susceptibility of mmWave to blockage imposes crucial challenges, especially to low-latency services. In this paper, a…

Signal Processing · Electrical Eng. & Systems 2021-04-20 Yashuai Cao , Tiejun Lv , Zhipeng Lin , Wei Ni

We consider finite state restless multi-armed bandit problem. The decision maker can act on M bandits out of N bandits in each time step. The play of arm (active arm) yields state dependent rewards based on action and when the arm is not…

Machine Learning · Computer Science 2023-05-02 Vishesh Mittal , Rahul Meshram , Deepak Dev , Surya Prakash

Millimeter-wave (mmWave) communication is anticipated to provide significant throughout gains in urban scenarios. To this end, network densification is a necessity to meet the high traffic volume generated by smart phones, tablets, and…

Signal Processing · Electrical Eng. & Systems 2018-04-17 Roohollah Amiri , Hani Mehrpouyan

In this paper, we consider the problem of allocating human operators in a system with multiple semi-autonomous robots. Each robot is required to perform an independent sequence of tasks, subjected to a chance of failing and getting stuck in…

Robotics · Computer Science 2021-11-15 Abhinav Dahiya , Nima Akbarzadeh , Aditya Mahajan , Stephen L. Smith

In this paper, the problem of cell association between small base stations (SBSs) and users in dense wireless networks is studied using artificial intelligence (AI) techniques. The problem is formulated as a mean-field game in which the…

Information Theory · Computer Science 2018-09-06 Kenza Hamidouche , Ali Taleb Zadeh Kasgari , Walid Saad , Mehdi Bennis , Merouane Debbah

Millimeter-wave (mmW)/Terahertz (THz) wideband communication employing a large-scale antenna array is a promising technique of the sixth-generation (6G) wireless network for realizing massive machine-type communications (mMTC). To reduce…

Information Theory · Computer Science 2021-09-08 Xiaodan Shao , Xiaoming Chen , Caijun Zhong , Zhaoyang Zhang

Millimeter wave (mmWave) cell-free MIMO achieves an extremely high rate while its beam alignment (BA) suffers from excessive overhead due to a large number of transceivers. Recently, user location and probing measurements are utilized for…

Information Theory · Computer Science 2023-08-17 Cheng Zhang , Leming Chen , Lujia Zhang , Yongming Huang , Wei Zhang

We study capacity-constrained treatment-adherence outreach via a belief-state restless multi-armed bandit model where patients are a partially observed two-state (adherent/nonadherent) Markov processes and interventions induce reset-type…

Optimization and Control · Mathematics 2026-01-13 José Niño-Mora , Ángel Pellitero García

Beamspace millimeter-wave (mmWave) and terahertz (THz) massive MIMO constitute attractive schemes for next-generation communications, given their abundant bandwidth and high throughput. However, their user and beam selection problem has to…

Signal Processing · Electrical Eng. & Systems 2023-01-18 Kai Wu , J. Andrew Zhang , Xiaojing Huang , Y. Jay Guo , Lajos Hanzo

We consider a large-scale cyber network with N components (e.g., paths, servers, subnets). Each component is either in a healthy state (0) or an abnormal state (1). Due to random intrusions, the state of each component transits from 0 to 1…

Systems and Control · Computer Science 2011-12-02 Keqin Liu , Qing Zhao

In this paper, we develop an algorithm for joint handover and beam tracking in millimeter-wave (mmWave) networks. The aim is to provide a reliable connection in terms of the achieved throughput along the trajectory of the mobile user while…

Systems and Control · Electrical Eng. & Systems 2023-01-16 Sara Khosravi , Hossein S. Ghadikolaei , Jens Zander , Marina Petrova

High-speed trains (HSTs) are being widely deployed around the world. To meet the high-rate data transmission requirements on HSTs, millimeter wave (mmWave) HST communications have drawn increasingly attentions. To realize sufficient link…

Information Theory · Computer Science 2018-10-16 Jun-Bo Wang , Ming Cheng , Jin-Yuan Wang , Min Lin , Yongpeng Wu , Huiling Zhu , Jiangzhou Wang

With the overcrowded sub-6 GHz bands, millimeter wave (mmWave) bands offer a promising alternative for the next generation wireless standard, i.e., 5G. However, the susceptibility of mmWave signals to severe pathloss and shadowing requires…

Signal Processing · Electrical Eng. & Systems 2017-10-13 Solmaz Niknam , Balasubramaniam Natarajan , Reza Barazideh

Millimeter wave (mmW) communication is a promising solution for providing high-capacity wireless network access. However, the benefits of mmW are limited by the fact that the channel between a mmW access point and the user equipment can…

Networking and Internet Architecture · Computer Science 2019-06-07 Mehdi Naderi Soorki , Walid Saad , Mehdi Bennis

Whittle index is a generalization of Gittins index that provides very efficient allocation rules for restless multi-armed bandits. In this work, we develop an algorithm to test the indexability and compute the Whittle indices of any…

Computational Complexity · Computer Science 2023-06-23 Nicolas Gast , Bruno Gaujal , Kimang Khun