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This paper investigates the resource allocation algorithm design for intelligent reflecting surface (IRS) aided multiple-input single-output (MISO) orthogonal frequency division multiple access (OFDMA) multicell networks, where a set of…

Information Theory · Computer Science 2020-10-16 Walid R. Ghanem , Vahid Jamali , Robert Schober

This paper proposes a novel distributed reduced--rank scheme and an adaptive algorithm for distributed estimation in wireless sensor networks. The proposed distributed scheme is based on a transformation that performs dimensionality…

Information Theory · Computer Science 2014-11-06 S. Xu , R. C. de Lamare , H. V. Poor

We study co-primary spectrum sharing concept in two small cell multiuser network. Downlink transmission is explored with Rayleigh fading in interfering broadcast channel. Both base stations and all the users are equipped with multiple…

Networking and Internet Architecture · Computer Science 2018-08-29 Tachporn Sanguanpuak , Sudarshan Guruacharya , Nandana Rajatheva , Matti Latva-aho

This paper proposes a novel framework of resource allocation in multi-cell intelligent reflecting surface (IRS) aided non-orthogonal multiple access (NOMA) networks, where an IRS is deployed to enhance the wireless service. The problem of…

Signal Processing · Electrical Eng. & Systems 2020-11-16 Wanli Ni , Xiao Liu , Yuanwei Liu , Hui Tian , Yue Chen

Recent studies indicate the feasibility of full-duplex (FD) bidirectional wireless communications. Due to its potential to increase the capacity, analyzing the performance of a cellular network that contains full-duplex devices is crucial.…

Networking and Internet Architecture · Computer Science 2018-02-12 Peyman Tehrani , Farshad Lahouti , Michele Zorzi

A wireless network operator typically divides the radio spectrum it possesses into a number of subbands. In a cellular network those subbands are then reused in many cells. To mitigate co-channel interference, a joint spectrum and power…

Signal Processing · Electrical Eng. & Systems 2020-12-22 Yasar Sinan Nasir , Dongning Guo

In this paper, a novel cluster-based approach for maximizing the energy efficiency of wireless small cell networks is proposed. A dynamic mechanism is proposed to group locally-coupled small cell base stations (SBSs) into clusters based on…

Networking and Internet Architecture · Computer Science 2015-11-30 Sumudu Samarakoon , Mehdi Bennis , Walid Saad , Matti Latva-aho

Rate-splitting multiple access (RSMA) has been proven as an effective communication scheme for 5G and beyond. However, current approaches to RSMA resource management require complicated iterative algorithms, which cannot meet the stringent…

Information Theory · Computer Science 2024-11-07 Hanwen Zhang , Mingzhe Chen , Alireza Vahid , Feng Ye , Haijian Sun

Recent mobile equipment (as well as the norm IEEE 802.21) now offers the possibility for users to switch from one technology to another (vertical handover). This allows flexibility in resource assignments and, consequently, increases the…

Computer Science and Game Theory · Computer Science 2009-09-07 Pierre Coucheney , Corinne Touati , Bruno Gaujal

Resource allocation is a fundamental task in cell-free (CF) massive multi-input multi-output (MIMO) systems, which can effectively improve the network performance. In this paper, we study the downlink of CF MIMO networks with network…

Information Theory · Computer Science 2023-12-22 S. Mashdour , A. Schmeink , R. C. de Lamare , J. P. Sales

This paper considers resource allocation to achieve max-min fairness in a selection-based orthogonal frequency division multiplexing network wherein source nodes are assisted by fixed decode-and-forward relays. The joint problem of…

Information Theory · Computer Science 2011-12-14 Kianoush Hosseini , Raviraj S. Adve

In this paper, we present a distributed resource allocation mechanism in cognitive radio networks, based on a new coopeti-tion methodology, which combines advantages of nodes competition and cooperation. We postulate that this new method…

Networking and Internet Architecture · Computer Science 2021-06-10 Marcin Parzy , Hanna Bogucka

Motivated by broad applications in various fields of engineering, we study a network resource allocation problem where the goal is to optimally allocate a fixed quantity of resources over a network of nodes. We consider large scale networks…

Optimization and Control · Mathematics 2018-08-06 Thinh T. Doan , Carolyn L. Beck

We address the problem of downlink beamforming for mitigating the co-channel interference in multi-cell OFDMA networks. Based on the network utility maximization framework, we formulate the problem as a non-convex optimization problem…

Information Theory · Computer Science 2016-11-17 Weiqiang Xu , Xiaodong Wang

Network slicing has been considered as one of the key enablers for 5G to support diversified services and application scenarios. This paper studies the distributed network slicing utilizing both the spectrum resource offered by…

Networking and Internet Architecture · Computer Science 2020-02-05 Anqi Huang , Yingyu Li , Yong Xiao , Xiaohu Ge , Sumei Sun , Han-Chieh Chao

The deployment of small cells, overlaid on existing cellular infrastructure, is seen as a key feature in next-generation cellular systems. In this paper, the problem of user association in the downlink of small cell networks (SCNs) is…

Information Theory · Computer Science 2014-03-11 Omid Semiari , Walid Saad , Stefan Valentin , Mehdi Bennis , Behrouz Maham

This paper considers the optimum single cell power-control maximizing the aggregate (uplink) communication rate of the cell when there are peak power constraints at mobile users, and a low-complexity data decoder (without successive…

Information Theory · Computer Science 2011-05-31 Hazer Inaltekin , Stephen V. Hanly

This paper introduces an efficient method for communication resource use in dense wireless areas where all nodes must communicate with a common destination node. The proposed method groups nodes based on their \newt{distance from the…

Systems and Control · Electrical Eng. & Systems 2022-02-14 Haleh Tabrizi , Borja Peleato , Golnaz Farhadi , John M. Cioffi , Ghadah Aldabbagh

Cellular network performance can significantly benefit from direct device-to-device (D2D) communication, but interference from cochannel D2D communication limits the performance gain. In hybrid networks consisting of D2D and cellular links,…

Information Theory · Computer Science 2014-12-16 Qiaoyang Ye , Mazin Al-Shalash , Constantine Caramanis , Jeffrey G. Andrews

Next generation wireless networks face the challenge of increasing energy consumption while satisfying the unprecedented increase in the data rate demand. To address this problem, we propose a utility-based energy-efficient resource…

Networking and Internet Architecture · Computer Science 2014-10-23 Kemal Davaslioglu , Cemil Can Coskun , Ender Ayanoglu