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Practical distributed quantum computing and error correction require quantum networks with high-qubit-rate, high-fidelity, and low-reconfiguration-latency. Unfortunately, current approaches are limited by fundamental constraints:…

Channel allocation is the task of assigning channels to users such that some objective (e.g., sum-rate) is maximized. In centralized networks such as cellular networks, this task is carried by the base station which gathers the channel…

Information Theory · Computer Science 2019-12-05 S. M. Zafaruddin , Ilai Bistritz , Amir Leshem , Dusit Niyato

In TSCH, which is a MAC mechanism set of the IEEE 802.15.4e amendment, calculation, construction, and maintenance of the packet transmission schedules are not defined. Moreover, to ensure optimal throughput, most of the existing scheduling…

Networking and Internet Architecture · Computer Science 2019-09-17 Nastooh Taheri Javan , Masoud Sabaei , Vesal Hakami

This letter shows that the flexible association of possibly multiple base stations (BSs) to each user over multiple frequency bands, along with the joint optimization of BS transmit power that encourages the turning-off of the BSs at…

Networking and Internet Architecture · Computer Science 2017-10-11 Kaiming Shen , Ya-Feng Liu , David Yiwei Ding , Wei Yu

In duty-cycled wireless sensor networks, deployed sensor nodes are usually put to sleep for energy efficiency according to sleep scheduling approaches. Any sleep scheduling scheme with its supporting protocols ensures that data can always…

Networking and Internet Architecture · Computer Science 2012-07-12 Yun Wang , Peizhong Shi , Kai Li , Jie Wu

We consider a multi-cell, frequency-selective fading, uplink channel (network MIMO) where K user terminals (UTs) communicate simultaneously with B cooperative base stations (BSs). Although the potential benefit of multi-cell cooperation…

Information Theory · Computer Science 2011-04-13 Jakob Hoydis , Mari Kobayashi , Merouane Debbah

Transmit optimization and resource allocation for wireless cooperative networks with channel state information (CSI) uncertainty are important but challenging problems in terms of both the uncertainty modeling and performance op-…

Information Theory · Computer Science 2014-06-30 Yuanming Shi , Jun Zhang , Khaled B. Letaief

A centralized coordinated multipoint downlink joint transmission in a frequency division duplex system requires channel state information (CSI) to be fed back from the cell-edge users to their serving BS, and aggregated at the central…

Information Theory · Computer Science 2015-03-27 T. R. Lakshmana , A. Tölli , R. Devassy , T. Svensson

We study the problem of allocating limited feedback resources across multiple users in an orthogonal-frequency-division-multiple-access downlink system with slow frequency-domain scheduling. Many flavors of slow frequency-domain scheduling…

Information Theory · Computer Science 2015-06-11 Harish Ganapathy , Siddhartha Banerjee , Nedialko B. Dimitrov , Constantine Caramanis

We characterize the ergodic spectral efficiency of a non-cooperative and a cooperative type of K-tier heterogeneous networks with limited feedback. In the non-cooperative case, a multi-antenna base station (BS) serves a single-antenna user…

Information Theory · Computer Science 2017-11-23 Jeonghun Park , Namyoon Lee , Robert W. Heath

We consider contextual linear bandits over networks, a class of sequential decision-making problems where learning occurs simultaneously across multiple locations and the reward distributions share structural similarities while also…

Machine Learning · Computer Science 2025-08-26 Chuyun Deng , Huiwen Jia

Graph-based algorithms for point-to-point link scheduling in Spatial reuse Time Division Multiple Access (STDMA) wireless ad hoc networks often result in a significant number of transmissions having low Signal to Interference and Noise…

Performance · Computer Science 2007-05-23 Ashutosh Deepak Gore , Srikanth Jagabathula , Abhay Karandikar

In this paper, we investigate the beam domain statistical channel state information (CSI) estimation for the two dimensional (2D) beam based statistical channel model (BSCM) in massive MIMO systems.The problem is to estimate the beam domain…

Information Theory · Computer Science 2022-07-12 An-An Lu , Yan Chen , Xiqi Gao

Deep learning (DL)-based channel state information (CSI) feedback has the potential to improve the recovery accuracy and reduce the feedback overhead in massive multiple-input multiple-output orthogonal frequency division multiplexing…

Signal Processing · Electrical Eng. & Systems 2024-08-14 Hongrui Shen , Long Zhao , Kan Zheng , Yuhua Cao , Pingzhi Fan

A scalable algorithm for solving compact banded linear systems on distributed memory architectures is presented. The proposed method factorizes the original system into two levels of memory hierarchies, and solves it using parallel cyclic…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-02-05 Hang Song , Kristen V. Matsuno , Jacob R. West , Akshay Subramaniam , Aditya S. Ghate , Sanjiva K. Lele

Due to increasing demands of seamless connection and massive information exchange across the world, the integrated satellite-terrestrial communication systems develop rapidly. To shed lights on the design of this system, we consider an…

Information Theory · Computer Science 2022-10-25 Lina Zhu , Lin Bai , Lin Zhou , Jinho Choi

Uplink-downlink decoupling in which users can be associated to different base stations in the uplink and downlink of heterogeneous small cell networks (SCNs) has attracted significant attention recently. However, most existing works focus…

Information Theory · Computer Science 2016-11-15 Mingzhe Chen , Walid Saad , Changchuan Yin

To maximize offloading gain of cache-enabled device-to-device (D2D) communications, content placement and delivery should be jointly designed. In this letter, we jointly optimize caching and scheduling policies to maximize successful…

Information Theory · Computer Science 2017-01-19 Binqiang Chen , Chenyang Yang , Zixiang Xiong

In this paper, we propose a distributed interference and channel-aware opportunistic access control technique for D2D underlaid cellular networks, in which each potential D2D link is active whenever its estimated signal-to-interference…

Networking and Internet Architecture · Computer Science 2014-10-13 Zheng Chen , Marios Kountouris

In this work, we consider the joint precoding across K transmitters (TXs), sharing the knowledge of the user's data symbols to be transmitted towards K single-antenna receivers (RXs). We consider a distributed channel state information…

Information Theory · Computer Science 2011-11-01 Paul de Kerret , David Gesbert