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Routing and Spectrum Assignment (RSA) represents a significant challenge within Elastic Optical Networks (EONs), particularly in dynamic traffic scenarios where the network undergoes continuous changes. Integrating multiple modulation…

网络与互联网体系结构 · 计算机科学 2024-11-20 M Jyothi Kiran , Venkatesh Chebolu , Goutam Das , Raja Datta

In order to deal with the recent rapid increase in Internet traffic, a transmission technology is required to enable the efficient use of the optical fiber spectrum while offering flexibility in network bandwidth. To meet these challenges,…

网络与互联网体系结构 · 计算机科学 2020-02-11 Lucas R. Costa , André C. Drummond

Exact solutions of the Routing, Modulation, and Spectrum Allocation (RMSA) problem in Elastic Optical Networks (EONs), so that the number of admitted demands is maximized while those of regenerators and frequency slots used are minimized,…

网络与互联网体系结构 · 计算机科学 2024-03-07 Fabio David , José F. de Rezende , Valmir C. Barbosa

Using Optical Orthogonal Frequency Multiplexing (O-OFDM), variable bandwidth channels can be created in Elastic Optical Networks (EON). This allows the use of spectrum more efficiently by allocating integral multiple of basic bandwidth…

网络与互联网体系结构 · 计算机科学 2022-12-09 Varsha Lohani , Anjali Sharma , Yatindra Nath Singh

Elastic Optical Network (EON) has been considered as a promising optical networking technology to architect the next-generation backbone networks. Routing and Spectrum Assignment (RSA) is the fundamental problem in EONs to realize service…

网络与互联网体系结构 · 计算机科学 2018-12-18 Haitao Wu , Fen Zhou , Zuqing Zhu , Yaojun Chen

The envisioned robotic aerial base station (RABS) concept is expected to bring further flexibility to integrated sensing and communication (ISAC) systems. In this letter, characterizing the spatial traffic distribution on a grid-based…

网络与互联网体系结构 · 计算机科学 2023-07-07 Yuan Liao , Vasilis Friderikos , Halim Yanikomeroglu

In this correspondence, the comprehensive problem of joint power, rate, and subcarrier allocation have been investigated for enhancing the spectral efficiency of multi-user orthogonal frequency-division multiple access (OFDMA) cognitive…

信息论 · 计算机科学 2017-09-14 H. Saki , M. Shikh Bahaei

As a key component of low-altitude economic networks, aerial base stations (AeBSs) provide flexible and reliable wireless coverage to support 6G ultra-reliable and low-latency communication (URLLC) services. However, limited spectrum…

网络与互联网体系结构 · 计算机科学 2025-07-08 Xudong Wang , Lei Feng , Jiacheng Wang , Hongyang Du , Changyuan Zhao , Wenjing Li , Zehui Xiong , Dusit Niyato , Ping Zhang

One of the most promising solutions to deal with huge data traffic demands in large communication networks is given by flexible optical networking, in particular the flexible grid (flexgrid) technology specified in the ITU-T standard…

离散数学 · 计算机科学 2021-06-30 Marcelo Bianchetti , Javier Marenco

We propose an alpha-fair routing and spectrum allocation (RSA) framework for reconfigurable elastic optical networks under modeled tidal traffic, that is based on the maximization of the social welfare function parameterized by a scalar…

网络与互联网体系结构 · 计算机科学 2023-09-08 Tania Panayiotou , Georgios Ellinas

Traditional standard single-mode fibers (SSMF) are unable to satisfy the future long-distance and high-speed optical channel transmission requirement due to their relatively large signal losses. To address this issue, the ultra-low loss and…

网络与互联网体系结构 · 计算机科学 2024-11-26 Kangao Ouyang , Fengxian Tang , Zhilin Yuan , Jun Li , Yongcheng Li

Unmanned aerial vehicle (UAV) holds immense potential in integrated sensing and communication (ISAC) systems for the Internet of Things (IoT). In this paper, we propose a UAV-aided ISAC framework and investigate three robust power…

系统与控制 · 电气工程与系统科学 2023-10-26 Junchang Sun , Shuai Ma , Ruixin Yang , Yang Tingting , Shiyin Li

This paper investigates the optimization of reconfigurable intelligent surface (RIS) in an integrated sensing and communication (ISAC) system. \red{To meet the demand of growing number of devices, power domain non-orthogonal multiple access…

信号处理 · 电气工程与系统科学 2023-09-13 Wanting Lyu , Yue Xiu , Xinyang Li , Songjie Yang , Phee Lep Yeoh , Yonghui Li , Zhongpei Zhang

Machine-to-Machine (M2M) communications have been introduced to improve the communication capacity in dense wireless networks. One of the most important concerns for network designers is maintaining the high performance of the network when…

网络与互联网体系结构 · 计算机科学 2020-10-27 Monireh Allah Gholi Ghasri , Ali Mohammad Afshin Hemmatyar , Siavash Bayat , Mostafa Mahdieh

Robust Principal Component Analysis (RPCA) is a fundamental technique for decomposing data into low-rank and sparse components, which plays a critical role for applications such as image processing and anomaly detection. Traditional RPCA…

机器学习 · 计算机科学 2024-12-20 Kexin Li , You-wei Wen , Xu Xiao , Mingchao Zhao

This study explores the synergy between rate-splitting multiple access (RSMA) and simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) as a unified framework to enable ubiquitous, intelligent, and resilient…

信号处理 · 电气工程与系统科学 2025-10-21 Muhammad Asif , Asim Ihsan , Zhu Shoujin , Ali Ranjha , Xingwang Li , Khaled M. Rabie , Symeon Chatzinotas

This paper addresses the critical issue of spectrum scarcity and the need to support diverse services, including communication and learning tasks, by presenting a reconfigurable intelligent surface (RIS)-aided wireless network framework…

信号处理 · 电气工程与系统科学 2026-04-21 Saeid Pakravan , Mohsen Ahmadzadeh , Ming Zeng , Ghosheh Abed Hodtani , Xingwang Li , Ji Wang , Gongpu Wang

Reinforcement learning (RL) has been widely applied to dynamic routing, modulation and spectrum assignment (RMSA) in optical networks, yet no prior work has trained a transformer model for this task. We attribute this to the high data and…

网络与互联网体系结构 · 计算机科学 2026-05-19 Michael Doherty , Alejandra Beghelli , Laura Toni

Elastic optical network (EON) efficiently utilize spectral resources for optical fiber communication by allocating the minimum necessary bandwidth to client demands. On the other hand, network traffic has been continuously increasing due to…

网络与互联网体系结构 · 计算机科学 2019-09-17 Hamed Alizadeh Ghazijahani , Hadi Seyedarabi , Javad Musevi Niya , Ngai-Man Cheung

This paper proposes a reinforcement learning (RL)-aided cognitive framework for massive MIMO-based integrated sensing and communication (ISAC) systems employing a uniform planar array (UPA). The focus is on enhancing radar sensing…

信号处理 · 电气工程与系统科学 2025-11-05 Adam Umra , Aya M. Ahmed , Aydin Sezgin
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