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The robust principles of treating interference as noise (TIN) when it is sufficiently weak, and avoiding it when it is not, form the background of this work. Combining TIN with the topological interference management (TIM) framework that…

Information Theory · Computer Science 2024-10-28 Chunhua Geng , Hua Sun , Syed A. Jafar

This article studies an essential yet challenging problem in 5G wireless networks: \emph{Is it possible to enable spectrally-efficient spectrum sharing for heterogeneous wireless networks with different, possibly incompatible, spectrum…

Networking and Internet Architecture · Computer Science 2020-02-18 Lorenzo Bertizzolo , Emrecan Demirors , Zhangyu Guan , Tommaso Melodia

We propose to operate massive multiple-input multiple output (MIMO) cellular base stations (BSs) in unlicensed bands. We denote such system as massive MIMO unlicensed (mMIMO-U). We design the key procedures required at a cellular BS to…

To provide Uplink Centric Broadband Communication (UCBC), New Radio Unlicensed (NR-U) network has been standardized to exploit the unlicensed spectrum using Listen Before Talk (LBT) scheme to fairly coexist with the incumbent Wireless…

Systems and Control · Electrical Eng. & Systems 2024-02-20 Hui Zhou , Yansha Deng

We consider the downlink of a single-cell multi-user MIMO system in which the base station makes use of $N$ antennas to communicate with $K$ single-antenna user equipments (UEs) randomly positioned in the coverage area. In particular, we…

Information Theory · Computer Science 2016-11-17 Luca Sanguinetti , Emil Bjornson , Merouane Debbah , Aris Moustakas

The ever-developing Internet of Things (IoT) brings the prosperity of wireless sensing and control applications. In many scenarios, different wireless technologies coexist in the shared frequency medium as well as the physical space. Such…

Networking and Internet Architecture · Computer Science 2022-04-04 Yuan He , Xiuzhen Guo , Xiaolong Zheng , Zihao Yu , Jia Zhang , Haotian Jiang , Xin Na , Jiacheng Zhang

Cross-Technology Interference (CTI) poses challenges for the performance and robustness of wireless networks. There are opportunities for better cooperation if the spectral occupation and technology of the interference can be detected.…

Networking and Internet Architecture · Computer Science 2025-07-01 Thijs Havinga , Xianjun Jiao , Wei Liu , Baiheng Chen , Adnan Shahid , Ingrid Moerman

In wireless communication, heterogeneous technologies such as WiFi, ZigBee and BlueTooth operate in the same ISM band.With the exponential growth in the number of wireless devices, the ISM band becomes more and more crowded. These…

Networking and Internet Architecture · Computer Science 2017-07-03 Shuai Wang , Zhimeng Yin , Song Min Kim , Tian He

Driven by growing spectrum shortage, Long-term Evolution in unlicensed spectrum (LTE-U) has recently been proposed as a new paradigm to deliver better performance and experience for mobile users by extending the LTE protocol to unlicensed…

Information Theory · Computer Science 2016-07-19 Qimei Chen , Guanding Yu , Hesham M. Elmaghraby , Jyri Hamalainen , Zhi Ding

This paper proposes interference mitigation techniques for provisioning ultrareliable low-latency wireless communication in an industrial automation setting, where multiple transmissions from controllers to actuators interfere with each…

Information Theory · Computer Science 2019-03-12 S. Arvin Ayoughi , Wei Yu , Saeed R. Khosravirad , Harish Viswanathan

Despite exhibiting very high theoretical data rates, in practice, the performance of LTE-U/LAA and WiFi networks is severely limited under cross-technology coexistence scenarios in the unlicensed 5GHz band. As a remedy, recent research…

Networking and Internet Architecture · Computer Science 2019-12-10 Piotr Gawłowicz , Anatolij Zubow , Suzan Bayhan , Adam Wolisz

Wireless Technology Recognition (WTR) and localization are essential in modern communication systems, enabling efficient spectrum management, seamless coexistence of diverse technologies, and accurate positioning in dynamic environments. In…

Signal Processing · Electrical Eng. & Systems 2025-09-22 Mohammad Cheraghinia , Eli De Poorter , Jaron Fontaine , Merouane Debbah , Adnan Shahid

Coexistence between cellular systems and Wi-Fi gained the attention of the research community when LTE License Assisted Access (LAA) entered the unlicensed band. The recent introduction of NR-U as part of 5G introduces new coexistence…

Networking and Internet Architecture · Computer Science 2021-12-03 Katarzyna Kosek-Szott , Alice Lo Valvo , Szymon Szott , Pierluigi Gallo , Ilenia Tinnirello

The rapid advancement of Internet of Things (IoT) services and the evolution toward the sixth generation (6G) have positioned unmanned aerial vehicles (UAVs) as critical enablers of low-altitude wireless networks (LAWNs). This work…

Signal Processing · Electrical Eng. & Systems 2025-06-27 Haijia Jin , Jun Wu , Weijie Yuan , Fan Liu , Yuanhao Cui

In this paper, we consider a multiuser massive single-input multiple-output (SIMO) enabled Industrial Internet of Things (IIoT) communication system. To reduce the latency and overhead caused by channel estimation, we assume that only the…

Information Theory · Computer Science 2019-03-06 Zheng Dong , He Chen , Jian-Kang Zhang , Branka Vucetic

We consider the problem of fair coexistence between LTE and Wi-Fi systems in the unlicensed 5 GHz U-NII bands. We focus on the misbehavior opportunities due to the heterogeneity in channel access mechanism and the lack of a common control…

Networking and Internet Architecture · Computer Science 2021-04-08 Islam Samy , Xiao Han , Loukas Lazos , Ming Li , Yong Xiao , Marwan Krunz

We propose a cell-edge-aware (CEA) zero forcing (ZF) precoder that exploits the excess spatial degrees of freedom provided by a large number of base station (BS) antennas to suppress inter-cell interference at the most vulnerable user…

Information Theory · Computer Science 2017-05-24 Howard H. Yang , Giovanni Geraci , Tony Q. S. Quek , Jeffrey G. Andrews

In the last decade, the advancement of the Internet of Things (IoT) has caused unlicensed radio spectrum, especially the 2.4 GHz ISM band, to be immensely crowded with smart wireless devices that are used in a wide range of application…

Networking and Internet Architecture · Computer Science 2021-07-07 Indika S. A. Dhanapala , Ramona Marfievici , Dirk Pesch

Interdisciplinary application fields, such as automotive, industrial applications or field robotics show an increasing need for reliable and resilient wireless communication even under high load conditions. These mission-critical…

Networking and Internet Architecture · Computer Science 2021-07-22 Christian Arendt , Manuel Patchou , Stefan Böcker , Janis Tiemann , Christian Wietfeld

One of the promising technologies for LTE Evolution is full-duplex radio, an innovation is expected to double the spectral efficiency. To realize full-duplex in practice, the main challenge is overcoming self-interference, and to do so,…

Information Theory · Computer Science 2017-02-16 Min Soo Sim , MinKeun Chung , Dongkyu Kim , Jaehoon Chung , Dong Ku Kim , Chan-Byoung Chae