Beyond 5G: Big Data Processing for Better Spectrum Utilization

Kliks, Adrian; Kułacz, Łukasz; Kryszkiewicz, Paweł; Bogucka, Hanna; Dryjański, Marcin; Isaksson, Magnus; Koudouridis, Georgios P.; Tengkvist, Per

doi:10.1109/mvt.2020.2988415

Cited by 20 publications

(8 citation statements)

References 12 publications

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“…On the system level, for better efficiency and safety of the DSM, the physical layer CR based on spectrum sensing shall be further completed by an awareness of cyberphysical level context information, in order to obtain a deeper understanding in the communication environment, including terrain scenario, traffic pattern, local regulation, etc. This leads to challenges in various aspects of context-awareness, ranging from data provisioning to data ownership [95].…”

Section: ) Dynamic Spectrum Managementmentioning

confidence: 99%

The Road Towards 6G: A Comprehensive Survey

Jiang

Han

Habibi

et al. 2021

IEEE Open J. Commun. Soc.

691

199

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As of today, the fifth generation (5G) mobile communication system has been rolled out in many countries and the number of 5G subscribers already reaches a very large scale. It is time for academia and industry to shift their attention towards the next generation. At this crossroad, an overview of the current state of the art and a vision of future communications are definitely of interest. This article thus aims to provide a comprehensive survey to draw a picture of the sixth generation (6G) system in terms of drivers, use cases, usage scenarios, requirements, key performance indicators (KPIs), architecture, and enabling technologies. First, we attempt to answer the question of "Is there any need for 6G?" by shedding light on its key driving factors, in which we predict the explosive growth of mobile traffic until 2030, and envision potential use cases and usage scenarios. Second, the technical requirements of 6G are discussed and compared with those of 5G with respect to a set of KPIs in a quantitative manner. Third, the state-of-the-art 6G research efforts and activities from representative institutions and countries are summarized, and a tentative roadmap of definition, specification, standardization, and regulation is projected. Then, we identify a dozen of potential technologies and introduce their principles, advantages, challenges, and open research issues. Finally, the conclusions are drawn to paint a picture of "What 6G may look like?". This survey is intended to serve as an enlightening guideline to spur interests and further investigations for subsequent research and development of 6G communications systems.

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Section: ) Dynamic Spectrum Managementmentioning

confidence: 99%

The Road Towards 6G: A Comprehensive Survey

Jiang

Han

Habibi

et al. 2021

IEEE Open J. Commun. Soc.

691

199

View full text Add to dashboard Cite

show abstract

“…Cognitive radio (CR) communications [4] have emerged as a potential solution to trade-off between spectrum availability and its demanding growth [5], [6]. CR is defined as "an intelligent wireless communication system that is aware of its environment and uses the methodology of understanding-by-building to learn from the environment" [7].…”

Section: A Background and Current State-of-the-artmentioning

confidence: 99%

“…From ( 6) it is clear that the architecture follows a relationship such that a layer receives the previous layer's output, reduce the error and make it closer to the ground truth. As mentioned, we utilise (6), implement the idea and unfold it to formulate the design of a single layer of the proposed PU-DetNet. In case of a generic neural network, the output of any given layer is dependent on just the previous layer's output (or just the input data, in case of the first hidden layer).…”

Section: A Proposed Architecture For Pu-detnet Schemementioning

confidence: 99%

PU-DetNet: An Efficient Deep Unfolding aided Smart Sensing Framework for Cognitive Radio

Shah¹,

Patel²,

Soni³

et al. 2022

Preprint

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Spectrum sensing in cognitive radio paradigm can be categorized as model/analytical and data-based approaches. However, the former is sensitive to model inaccuracies in evolving network environments, while the latter (machine learning/deep learning approach) suffers from high computational complexity and black box-like behaviour. For devices with low computational abilities, such approaches could be rendered less useful. In this context, we propose a deep unfolding architecture namely Primary User-Detection Network (PU-DetNet) that harvests the strength of both: model and data-based approach. In particular, a technique is described that reduces computational complexity. It involves binding loss function such that each layer of proposed architecture possesses its own loss function whose aggregate is optimized during training. Compared to state-of-the-art, experimental results demonstrate that probability of detection is significantly improved as compared to long short term memory (LSTM) scheme (between 39% and 56%), convolutional neural network (CNN) scheme (between 45% and 84%), and artificial neural network (ANN) scheme (between 53% and 128%) over empirical, 5G-simulated, DeepSig, satellite-communications, and radar dataset. Additionally, computational complexity reduces by 91.69% and 93.15% w.r.t. LSTM and ANN schemes respectively. Moreover, the proposed scheme also shows improvement in throughput by 87% and 130% w.r.t. LSTM and ANN schemes, respectively.

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“…On the system level, for better efficiency and safty of the DSM, the physical layer CR based on spectrum sensing shall be further completed by an awareness of cyberphysical level context information, in order to obtain a deeper understanding in the communication environment, including terrain scenario, traffic pattern, local regulation, etc. This leads to challenges in various aspects of context-awareness, ranging from data provisioning to data ownership [84] B. New Networking To deploy the aforementioned use cases utilizing the discussed key enabling technologies, the network infrastructure is expected to be flexible, intelligent, and open to multi-vendor equipment and multi-tenancy.…”

Section: ) Dynamic Spectrum Managementmentioning

confidence: 99%

The Road Towards 6G: A Comprehensive Survey

Jiang¹,

Han²,

Habibi³

et al. 2021

Preprint

View full text Add to dashboard Cite

<p>As of today, the fifth generation (5G) mobile communication system has been rolled out in many countries and the number of 5G subscribers already reaches a very large scale. It is time for academia and industry to shift their attention towards the next generation. At this crossroad, an overview of the current state of the art and a vision of future communications are definitely of interest. This article thus aims to provide a comprehensive survey to draw a picture of the sixth generation (6G) system in terms of drivers, use cases, usage scenarios, requirements, key performance indicators (KPIs), and enabling technologies. First, we attempt to answer the question of “Is there any need for 6G?” by shedding light on the key driving factors of 6G, in which we predict the explosive growth of mobile traffic until 2030, and envision potential use cases and usage scenarios. Second, the technical requirements of 6G are discussed and compared with those of 5G with respect to a set of KPIs in a quantitative manner. Third, the state-of-the-art 6G research efforts and activities from representative institutions and countries are summarized, and a tentative roadmap of definition, specification, standardization, and regulation is projected. Then, we identify a dozen of potential technologies and introduce their principles, advantages, challenges, and open research issues. Finally, the conclusions are drawn to paint a picture of “What 6G may look like?”. This survey is intended to serve as an enlightening guideline to spur interests and further investigations for subsequent research and development of 6G communications systems.</p>

show abstract

Beyond 5G: Big Data Processing for Better Spectrum Utilization

Cited by 20 publications

References 12 publications

The Road Towards 6G: A Comprehensive Survey

The Road Towards 6G: A Comprehensive Survey

PU-DetNet: An Efficient Deep Unfolding aided Smart Sensing Framework for Cognitive Radio

The Road Towards 6G: A Comprehensive Survey

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