English
Related papers

Related papers: Transformer-Based Cognitive Radio: Adaptive Modula…

200 papers

Development of smart spectrum sensing techniques is the most important task in the design of a cognitive radio system which uses the available spectrum efficiently. The adaptive SNR estimation based energy detection technique has the dual…

Networking and Internet Architecture · Computer Science 2017-11-09 Jonti Talukdar , Bhavana Mehta , Kinjal Aggrawal , Mansi Kamani

In this paper, a joint cross-layer design of adaptive modulation and coding (AMC) and cooperative automatic repeat request (C-ARQ) scheme is proposed for a secondary user in a shared-spectrum environment. First, based on the statistical…

Information Theory · Computer Science 2017-09-13 J. Hwang , H. Saki , M. Shikh-Bahaei

Despite the conclusive potential of cognitive radio for provisioning the dynamic and flexible spectrum/channel allocation, the research community should study the performance gain of physical layer over such a radio with cognition…

Emerging Technologies · Computer Science 2013-02-12 Fotis Foukalas , Lazaros Merakos

In this paper, we present a survey on the utility of machine learning (ML) algorithms for applications in cognitive radio networks (CRN). We start with a high-level overview of some of the major challenges in CRNs, and mention the ML…

Signal Processing · Electrical Eng. & Systems 2021-06-22 Akshay Upadhye , Purushothaman Saravanan , Shreeram Suresh Chandra , Sanjeev Gurugopinath

Cognitive Radio (CR) operates in different fields as varied, one of these is cognitive radio networks. In this paper, we propose a new approach used CR, which aims to manage potential failures of computer systems and applications through…

Networking and Internet Architecture · Computer Science 2014-04-23 Mohammed Zakarya Baba-Ahmed , Badr Benmammar , Fethi Tarik Bendimerad

Modulation recognition is a challenging task while performing spectrum sensing in a cognitive radio setup. Recently, the use of deep convolutional neural networks (CNNs) has shown to achieve state-of-the-art accuracy for modulation…

Signal Processing · Electrical Eng. & Systems 2018-03-06 Kumar Yashashwi , Amit Sethi , Prasanna Chaporkar

A thorough regulation of building energy systems translates in relevant energy savings and in a better comfort for the occupants. Algorithms to predict the thermal state of a building on a certain time horizon with a good confidence are…

Machine Learning · Computer Science 2023-11-01 Alfredo V Clemente , Alessandro Nocente , Massimiliano Ruocco

Technologies which will lead to adaptive, intelligent, and aware wireless communications systems are expected to offer solutions to the capacity, interference, and reliability problems of wireless networks. The spectrum sensing feature of…

Networking and Internet Architecture · Computer Science 2016-11-17 Ali Gorcin , Huseyin Arslan

Intelligent spectrum management is crucial for improving spectrum efficiency and achieving secure utilization of spectrum resources. However, existing intelligent spectrum management methods, typically based on small-scale models, suffer…

Signal Processing · Electrical Eng. & Systems 2025-12-16 Fuhui Zhou , Chunyu Liu , Hao Zhang , Wei Wu , Qihui Wu , Tony Q. S. Quek , Chan-Byoung Chae

With the advent of the 5th generation of wireless standards and an increasing demand for higher throughput, methods to improve the spectral efficiency of wireless systems have become very important. In the context of cognitive radio, a…

Information Theory · Computer Science 2018-03-14 Vishnu Raj , Irene Dias , Thulasi Tholeti , Sheetal Kalyani

The enhancement of spectrum efficiency and the realization of secure spectrum utilization are critically dependent on spectrum cognition. However, existing spectrum cognition methods often exhibit limited generalization and suboptimal…

Signal Processing · Electrical Eng. & Systems 2025-08-12 Chunyu Liu , Hao Zhang , Wei Wu , Fuhui Zhou , Qihui Wu , Derrick Wing Kwan Ng , Chan-Byoung Chae

In this paper, we study the performance of blind adaptive beamforming algorithms for smart antennas in realistic environments. A constrained constant modulus (CCM) design criterion is described and used for deriving a recursive least…

Information Theory · Computer Science 2013-03-11 Lei Wang , Rodrigo C. de Lamare

The 6G wireless aims at the Tb/s peak data rates are expected, a sub-millisecond latency, massive Internet of Things/vehicle connectivity, which requires sustainable access to audio over the air and energy-saving functionality. Cognitive…

Networking and Internet Architecture · Computer Science 2025-12-25 Anshul Sharma , Shujaatali Badami , Biky Chouhan , Pushpanjali Pandey , Brijeena Rana , Navneet Kaur

Nowadays, It has been shown that spectrum scarcity increased due to tremendous growth of new players in wireless base system by the evolution of the radio communication. Resent survey found that there are many areas of the radio spectrum…

Networking and Internet Architecture · Computer Science 2010-07-15 Santosh Kumar Singh , Krishna Chandra Roy , Vibhakar Pathak

Transformer architectures have facilitated the development of large-scale and general-purpose sequence models for prediction tasks in natural language processing and computer vision, e.g., GPT-3 and Swin Transformer. Although originally…

Machine Learning · Computer Science 2023-06-27 Muning Wen , Runji Lin , Hanjing Wang , Yaodong Yang , Ying Wen , Luo Mai , Jun Wang , Haifeng Zhang , Weinan Zhang

Radio Map Prediction (RMP), aiming at estimating coverage of radio wave, has been widely recognized as an enabling technology for improving radio spectrum efficiency. However, fast and reliable radio map prediction can be very challenging…

Signal Processing · Electrical Eng. & Systems 2021-05-18 Yu Tian , Shuai Yuan , Weisheng Chen , Naijin Liu

Transceivers used for telecommunications transmit and receive specific modulation patterns that are represented as sequences of complex numbers. Classifying modulation patterns is challenging because noise and channel impairments affect the…

Machine Learning · Computer Science 2020-10-30 Jakob Krzyston , Rajib Bhattacharjea , Andrew Stark

A new line of research on communications and signals design for Wireless Power Transfer (WPT) has recently emerged in the communication literature. Promising signal strategies to maximize the power transfer efficiency of WPT rely on…

Information Theory · Computer Science 2020-08-04 Junghoon Kim , Bruno Clerckx , Paul D. Mitcheson

In this work, we introduce a method to fine-tune a Transformer-based generative model for molecular de novo design. Leveraging the superior sequence learning capacity of Transformers over Recurrent Neural Networks (RNNs), our model can…

Machine Learning · Computer Science 2024-03-11 Pengcheng Xu , Tao Feng , Tianfan Fu , Siddhartha Laghuvarapu , Jimeng Sun

The design of wireless communication receivers to enhance signal processing in complex and dynamic environments is going through a transformation by leveraging deep neural networks (DNNs). Traditional wireless receivers depend on…

Information Theory · Computer Science 2025-01-30 Shadman Rahman Doha , Ahmed Abdelhadi