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Related papers: Wideband Distributed Spectrum Sharing with Multich…

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To meet the stringent requirements of next-generation wireless networks, multiple-input multiple-output (MIMO) technology is expected to become massive and pervasive. Unfortunately, this could pose scalability issues in terms of complexity,…

Signal Processing · Electrical Eng. & Systems 2025-06-03 Davide Dardari

The error performance of the Non-Orthogonal Multiple Access (NOMA) technique suffers from the inter-user interference (IUI) although it is a promising technique for the future wireless systems in terms of the achievable sum rate. Hence, a…

Signal Processing · Electrical Eng. & Systems 2018-10-19 Ferdi Kara , Hakan Kaya

This paper studies the interference broadcast channel comprising multiple multi-antenna Base Stations (BSs), each controlling a beyond diagonal Reconfigurable Intelligent Surface (RIS) and serving multiple single-antenna users. Wideband…

Information Theory · Computer Science 2024-09-09 Konstantinos D. Katsanos , Paolo Di Lorenzo , George C. Alexandropoulos

A novel monostatic multiple-input multiple-output (MIMO) dual-function radar communication (DFRC) system is proposed, that uses the available bandwidth efficiently for both sensing and communication. The proposed system, referred to as…

Signal Processing · Electrical Eng. & Systems 2022-03-30 Zhaoyi Xu , Athina Petropulu

In this paper, we discuss resource sharing, a key dimension in mmWave network design in which spectrum, access and/or network infrastructure resources can be shared by multiple operators. It is argued that this sharing paradigm will be…

Information Theory · Computer Science 2018-05-14 Mattia Rebato , Marco Mezzavilla , Sundeep Rangan , Michele Zorzi

Competing cellular operators aggressively share infrastructure in many major US markets. If operators also were to share spectrum in next-generation millimeter-wave (mmWave) networks, intra-cellular interference will become correlated with…

Information Theory · Computer Science 2018-01-17 Rebal Jurdi , Abhishek K. Gupta , Jeffrey G. Andrews , Robert W. Heath

This paper studies the design of a decentralized multiuser multi-antenna (MIMO) system for spectrum sharing over a fixed narrow band, where the coexisting users independently update their transmit covariance matrices for individual…

Information Theory · Computer Science 2009-05-22 Rui Zhang , John M. Cioffi

Dynamic subarray achieves a compromise between sum rate and hardware complexity for millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems in which antenna elements are dynamically partitioned to radio frequency (RF)…

Signal Processing · Electrical Eng. & Systems 2019-06-19 Jing Jiang , Yue Yuan , Li Zhen

In this paper, we propose a novel transmissive reconfigurable intelligent surface (TRIS) transceiver-empowered distributed cooperative integrated sensing and communication (ISAC) network to enhance coverage as well as to enhance wireless…

Information Theory · Computer Science 2024-11-19 Ziwei Liu , Wen Chen , Qingqing Wu , Zhendong Li , Qiong Wu , Nan Cheng , Jun Li

This paper explores downlink Cooperative Rate-Splitting Multiple Access (C-RSMA) in a multi-cell wireless network with the assistance of Joint-Transmission Coordinated Multipoint (JT-CoMP). In this network, each cell consists of a base…

Signal Processing · Electrical Eng. & Systems 2024-09-04 Mohamed Elhattab , Shreya Khisa , Chadi Assi , Ali Ghrayeb , Marwa Qaraqe , Georges Kaddoum

Non-orthogonal multiple access (NOMA) and spectrum sharing (SS) are two emerging multiple access technologies for efficient spectrum utilization in future wireless communications standards. In this paper, we present the performance analysis…

Information Theory · Computer Science 2019-09-25 Vaibhav Kumar , Barry Cardiff , Mark. F. Flanagan

Massive MIMO systems are well-suited for mm-Wave communications, as large arrays can be built with reasonable form factors, and the high array gains enable reasonable coverage even for outdoor communications. One of the main obstacles for…

Rate splitting multiple access (RSMA) is regarded as a crucial and powerful physical layer (PHY) paradigm for next-generation communication systems. Particularly, users employ successive interference cancellation (SIC) to decode part of the…

Information Theory · Computer Science 2024-11-15 Cixiao Zhang , Size Peng , Yin Xu , Qingqing Wu , Xiaowu Ou , Xinghao Guo , Dazhi He , Wenjun Zhang

Interference mitigation techniques are essential for improving the performance of interference limited wireless networks. In this paper, we introduce novel interference mitigation schemes for wireless cellular networks with space division…

Information Theory · Computer Science 2014-08-18 Martin Kasparick , Gerhard Wunder

In this paper, we study the performance of two cross-layer optimized dynamic routing techniques for radio interference mitigation across multiple coexisting wireless body area networks (BANs), based on real-life measurements. At the network…

Networking and Internet Architecture · Computer Science 2017-03-09 Samiya Shimly , David B. Smith , Samaneh Movassaghi

Licensed Shared Access (LSA) is a spectrum sharing mechanism where bandwidth is shared between a primary network, called incumbent, and a secondary mobile network. In this work, we address dynamic spectrum management mechanisms for LSA…

Networking and Internet Architecture · Computer Science 2018-09-05 M. Majid Butt , Irene Macaluso , Carlo Galiotto , Nicola Marchetti

Massive multiple-input multiple-output (M-MIMO) is an enabling technology of 5G wireless communication. The performance of an M-MIMO system is highly dependent on the speed and accuracy of obtaining the channel state information (CSI). The…

Signal Processing · Electrical Eng. & Systems 2018-04-19 Xiaozhen Liu , Jin Sha , Hongxiang Xie , Feifei Gao , Shi Jin , Zaichen Zhang , Xiaohu You , Chuan Zhang

In this correspondence, we propose hierarchical high-altitude platform (HAP)-low-altitude platform (LAP) networks with the aim of maximizing the sum-rate of ground user equipments (UEs). The multiple aerial radio units (RUs) mounted on HAPs…

Systems and Control · Electrical Eng. & Systems 2023-12-08 Jeongbin Kim , Seongah Jeong , Seonghoon Yoo , Woong Son , Joonhyuk Kang

In this paper, we investigate the joint optimal sensing and distributed Medium Access Control (MAC) protocol design problem for cognitive radio (CR) networks. We consider both scenarios with single and multiple channels. For each scenario,…

Information Theory · Computer Science 2014-04-08 Le Thanh Tan , Long Bao Le

This work addresses problems related to interference mitigation in a single wireless body area network (WBAN). In this paper, We propose a distributed \textit{C}ombined carrier sense multiple access with collision avoidance (CSMA/CA) with…

Networking and Internet Architecture · Computer Science 2016-11-03 Mohamad Jaafar Ali , Hassine Moungla , Ahmed Mehaoua