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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

Internet of things, supported by machine-to-machine (M2M) communications, is one of the most important applications for future 6th generation (6G) systems. A major challenge facing by 6G is enabling a massive number of M2M devices to access…

Information Theory · Computer Science 2022-09-30 Kan Zheng , Haojun Yang , Xiong Xiong , Jie Mei , Kuan Zhang

The millimeter wave (mmWave) frequencies offer the potential of orders of magnitude increases in capacity for next-generation cellular wireless systems. However, links in mmWave networks are highly susceptible to blocking and may suffer…

Networking and Internet Architecture · Computer Science 2018-03-06 Marco Giordani , Marco Mezzavilla , Sundeep Rangan , Michele Zorzi

In a cell-free (CF) massive MIMO architecture a very large number of distributed access points (APs) simultaneously and jointly serves a much smaller number of mobile stations (MSs); a variant of the cell-free technique is the user-centric…

Information Theory · Computer Science 2017-11-07 Mario Alonzo , Stefano Buzzi

This paper considers a mmWave cell-free massive MIMO (multiple-input multiple-output) network composed of a large number of geographically distributed access points (APs) simultaneously serving multiple user equipments (UEs) via coherent…

Signal Processing · Electrical Eng. & Systems 2023-11-03 Mahmoud Zaher , Emil Björnson , Marina Petrova

Intelligent terminals often produce a large number of data packets of small lengths. For these packets, it is inefficient to follow the conventional medium access control (MAC) protocols because they lead to poor utilization of service…

Information Theory · Computer Science 2016-11-18 Ronggui Xie , Huarui Yin , Zhengdao Wang , Xiaohui Chen

To optimally cover users in millimeter-Wave (mmWave) networks, clustering is needed to identify the number and direction of beams. The mobility of users motivates the need for an online clustering scheme to maintain up-to-date beams towards…

Networking and Internet Architecture · Computer Science 2021-03-10 Medhat Elsayed , Melike Erol-Kantarci

In this paper, we propose a distributed multi-hop interference avoidance algorithm, namely, IAA to avoid co-channel interference inside a wireless body area network (WBAN). Our proposal adopts carrier sense multiple access with collision…

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

The millimeter wave (mmWave) bands offer the possibility of orders of magnitude greater throughput for fifth generation (5G) cellular systems. However, since mmWave signals are highly susceptible to blockage, channel quality on any one…

Networking and Internet Architecture · Computer Science 2018-09-07 Michele Polese , Marco Giordani , Marco Mezzavilla , Sundeep Rangan , Michele Zorzi

IEEE 802.11ad standard uses analog beamforming for high-speed directional communication with mobile user (MU) in the millimeter wave (mmWave) spectrum. However, the lengthy beam alignment procedures involving large data packets between the…

Signal Processing · Electrical Eng. & Systems 2026-03-10 Jai Mangal , Kshitiz Joshi , Krishna Neel Reddy , Soumya Jain , Shobha Sundar Ram , Sumit J. Darak

In this paper, we investigate the performance of an integrated sensing and communication (ISAC) system within a cell-free massive multiple-input multiple-output (MIMO) system. Each access point (AP) operates in the millimeter-wave (mmWave)…

Signal Processing · Electrical Eng. & Systems 2025-03-20 Steven Rivetti , Ozlem Tugfe Demir , Emil Bjornson , Mikael Skoglund

With the increasing network densification, it has become exceedingly difficult to provide traditional fiber backhaul access to each cell site, which is especially true for small cell base stations (SBSs). The increasing maturity of…

Information Theory · Computer Science 2017-10-18 Chiranjib Saha , Mehrnaz Afshang , Harpreet S. Dhillon

This paper proposes a millimeter wave-NOMA (mmWave-NOMA) system that takes into account the end-user signal processing capabilities, an important practical consideration. The implementation of NOMA in the downlink (DL) direction requires…

Information Theory · Computer Science 2020-11-18 Aditya S. Rajasekaran , Omar Maraqa , Hamza U. Sokun , Halim Yanikomeroglu , Saad Al-Ahmadi

Millimeter wave (mmWave) communication systems use large number of antenna elements that can potentially overcome severe channel attenuation by narrow beamforming. Narrow-beam operation in mmWave networks also reduces multiuser…

Information Theory · Computer Science 2015-12-15 Hossein Shokri-Ghadikolaei , Carlo Fischione

Integrated sensing and communications (ISAC) has been regarded as a key enabling technology for next-generation wireless networks. Compared to monostatic ISAC, bistatic ISAC can eliminate the critical challenge of self-interference…

Signal Processing · Electrical Eng. & Systems 2026-04-02 Chenhao Luo , Chongrui Wang , Aimin Tang , Fei Gao , Chaojun Xu

The spatial diversity and multiplexing advantages of massive multi-input-multi-output (mMIMO) can significantly improve the capacity of massive non-orthogonal multiple access (NOMA) in machine type communications. However, state-of-the-art…

Signal Processing · Electrical Eng. & Systems 2025-02-17 Yueqing Wang , Yikun Mei , Zhen Gao , Ziwei Wan , Boyu Ning , De Mi , Sami Muhaidat

Distributed desynchronization algorithms are key to wireless sensor networks as they allow for medium access control in a decentralized manner. In this paper, we view desynchronization primitives as iterative methods that solve optimization…

Systems and Control · Computer Science 2016-11-18 Nikos Deligiannis , Joao F. C. Mota , George Smart , Yiannis Andreopoulos

In this paper we examine the use of matching theory for user association in millimeter wave (mmWave)-enabled cellular heterogeneous networks (HetNets). In a mmWave system, the channel variations can be fast and unpredictable, rendering…

Information Theory · Computer Science 2019-07-23 Alireza Alizadeh , Mai Vu

By moving to millimeter wave (mmWave) frequencies, base stations (BSs) will be densely deployed to provide seamless coverage in sixth generation (6G) mobile communication systems, which, unfortunately, leads to severe cell-edge problem. In…

Information Theory · Computer Science 2024-10-28 Junyuan Wang , Lin Dai , Lu Yang , Bo Bai

In this paper, we propose a minimum mean square error (MMSE) based transceiver design scheme for a downlink multiple-input multiple-output (MIMO) two-tier heterogeneous network with general linear equality per-cell power constraints. Three…

Information Theory · Computer Science 2018-04-20 Zhannan Li , Hangsong Yan , I-Tai Lu