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Cognitive communications have emerged as a promising solution to enhance, adapt, and invent new tools and capabilities that transcend conventional wireless networks. Deep learning (DL) is critical in enabling essential features of cognitive…

信号处理 · 电气工程与系统科学 2022-04-05 Ahmet M. Elbir , Kumar Vijay Mishra

In wireless networks relay nodes can be used to assist the users' transmissions to reach their destination. Work on relay cooperation, from a physical layer perspective, has up to now yielded well-known results. This paper takes a different…

网络与互联网体系结构 · 计算机科学 2015-06-23 Georgios Papadimitriou , Nikolaos Pappas , Apostolos Traganitis , Vangelis Angelakis

Deep convolutional neural network has made huge revolution and shown its superior performance on computer vision tasks such as classification and segmentation. Recent years, researches devote much effort to scaling down size of network…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Yingdong Hu

We consider multiple transmitters aiming to communicate their source signals (e.g., images) over a multiple access channel (MAC). Conventional communication systems minimize interference by orthogonally allocating resources (time and/or…

网络与互联网体系结构 · 计算机科学 2025-04-08 Selim F. Yilmaz , Can Karamanli , Deniz Gunduz

Recently, several working implementations of in--band full--duplex wireless systems have been presented, where the same node can transmit and receive simultaneously in the same frequency band. The introduction of such a possibility at the…

信息论 · 计算机科学 2016-06-01 Michele Luvisotto , Alireza Sadeghi , Farshad Lahouti , Stefano Vitturi , Michele Zorzi

In this paper we develop an integrated model for request mechanism and data transmission in multi-channel wireless local area networks. We calculated the performance parameters for single and multi-channel wireless networks when the channel…

网络与互联网体系结构 · 计算机科学 2010-07-15 Abdelsalam Amer , Fayez Gebali

Physical-layer Network Coding (PNC) can significantly improve the throughput of wireless two way relay channel (TWRC) by allowing the two end nodes to transmit messages to the relay simultaneously. To achieve reliable communication, channel…

网络与互联网体系结构 · 计算机科学 2016-11-15 Shengli Zhang , Soung-Chang Liew

This letter presents the first work introducing a deep learning (DL) framework for channel estimation in large intelligent surface (LIS) assisted massive MIMO (multiple-input multiple-output) systems. A twin convolutional neural network…

信号处理 · 电气工程与系统科学 2020-09-11 Ahmet M. Elbir , A Papazafeiropoulos , P. Kourtessis , S. Chatzinotas

Reliability is becoming increasingly important for many applications envisioned for future wireless systems. A technology that could improve reliability in these systems is massive MIMO (Multiple-Input Multiple-Output). One reason for this…

信号处理 · 电气工程与系统科学 2020-04-16 Sara Gunnarsson , José Flordelis , Liesbet Van der Perre , Fredrik Tufvesson

In this paper, a deep learning based receiver is proposed for a collection of multi-carrier wave-forms including both current and next-generation wireless communication systems. In particular, we propose to use a convolutional neural…

信号处理 · 电气工程与系统科学 2020-06-04 Yasin Yildirim , Sedat Ozer , Hakan Ali Cirpan

This work proposes a multichannel narrow-band speech separation network. In the short-time Fourier transform (STFT) domain, the proposed network processes each frequency independently, and all frequencies use a shared network. For each…

声音 · 计算机科学 2022-12-06 Changsheng Quan , Xiaofei Li

This paper studies multi-satellite multi-stream (MSMS) beamspace transmission, where multiple satellites cooperate to form a distributed multiple-input multiple-output (MIMO) system and jointly deliver multiple data streams to multi-antenna…

信号处理 · 电气工程与系统科学 2025-12-29 Yafei Wang , Yiming Zhu , Vu Nguyen Ha , Wenjin Wang , Rui Ding , Symeon Chatzinotas , Björn Ottersten

As spectrum sharing becomes increasingly vital to meet rising wireless demands in the future, spectrum monitoring and transmitter identification are indispensable for enforcing spectrum usage policy, efficient spectrum utilization, and…

机器学习 · 计算机科学 2025-11-04 Tariq Abdul-Quddoos , Tasnia Sharmin , Xiangfang Li , Lijun Qian

In fact, the broadcast nature of every transmitter makes it possible for other transceivers in the channel to overhear the broadcasted signal. The proposed idea in cooperative communication is to use these intermediate transceivers as relay…

信号处理 · 电气工程与系统科学 2024-09-25 Ali Mehrban

Convolutional Neural Networks (CNNs) have shown a great deal of success in diverse application domains including computer vision, speech recognition, and natural language processing. However, as the size of datasets and the depth of neural…

分布式、并行与集群计算 · 计算机科学 2017-12-07 Wonje Choi , Karthi Duraisamy , Ryan Gary Kim , Janardhan Rao Doppa , Partha Pratim Pande , Diana Marculescu , Radu Marculescu

Wireless communication systems exhibit structural and functional similarities to neural networks: signals propagate through cascaded elements, interact with the environment, and undergo transformations. Building upon this perspective, we…

信号处理 · 电气工程与系统科学 2026-02-17 Meng Hua , Itsik Bergel , Tolga Girici , Marco Di Renzo , Deniz Gunduz

A cognitive radio system has the ability to observe and learn from the environment, adapt to the environmental conditions, and use the radio spectrum more efficiently. It allows secondary users (SUs) to use the primary users (PUs) channels…

信息论 · 计算机科学 2018-02-13 Fatima Salahdine

Reconfigurable intelligent surface (RIS)-assisted communications is one of the promising candidates for next generation wireless networks by controlling the propagation environment dynamically. In this study, a channel modeling strategy for…

信息论 · 计算机科学 2021-11-03 Fatih Kilinc , Ibrahim Yildirim , Ertugrul Basar

Recently, several advanced multi-antenna radio communications technologies have emerged to meet the increased capacity demands in wireless multi-user networks. Despite their great potential, the extent of these techniques' practical…

信息论 · 计算机科学 2015-07-16 Konstantinos Ntougias , Dimitrios Ntaikos , Constantinos B. Papadias

Spectrum shortage is a fundamental problem in wireless networks and this problem becomes increasingly acute with the rapid proliferation of wireless devices. To address this problem, spectrum sharing in the context of cognitive radio…

网络与互联网体系结构 · 计算机科学 2019-05-28 Pedram Kheirkhah Sangdeh , Hossein Pirayesh , Adnan Quadri , Huacheng Zeng