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The rapid evolution and convergence of wireless technologies and vertical applications have fundamentally reshaped our lifestyles and industries. Future wireless networks, especially 6G, are poised to support a wide range of applications…

网络与互联网体系结构 · 计算机科学 2024-11-28 Pengyi Jia , Xianbin Wang , Yongxu Zhu , Shi Jin , Robert Schober

Passive optical networks (PON) can play a vital role in data centres and access fog solutions by providing scalable, cost and energy efficient architectures. This paper proposes a Mixed Integer Linear Programming (MILP) model to optimize…

网络与互联网体系结构 · 计算机科学 2020-05-08 Azza E. A. Eltraify , Sanaa Hamid Mohamed , Jaafar M. H. Elmirghani

In this article, we address the prospects and key enabling technologies for highly efficient and accurate device positioning and tracking in 5G radio access networks. Building on the premises of ultra-dense networks as well as on the…

Environmental and economic concerns promote research on designing energy-efficient Time and Wavelength Division Multiplexed Ethernet Passive Optical Network (TWDM-EPON), which is the future extension to TDM-EPON. In TDM-EPON, a plethora of…

网络与互联网体系结构 · 计算机科学 2019-09-25 Sourav Dutta , Dibbendu Roy , Goutam Das

Next-generation internet of things (IoT) applications need trillions of low-powered wireless mobile devices to connect with each other having ultra-reliability and low-latency. Non-orthogonal multiple access (NOMA) is a promising technology…

信号处理 · 电气工程与系统科学 2020-12-16 Kuntal Deka , Sanjeev Sharma

The extension of elastic optical networks (EON) to multi-band transmission (MB-EON) shows promise in enhancing spectral efficiency, throughput, and long-term cost-effectiveness for telecom operators. However, designing MB-EON networks…

The position-fluid antenna (PFA) architecture has become one of the appealing technologies to support ubiquitous connectivity demand in next-generation wireless systems. Specifically, allowing the antenna to adjust its physical position to…

信息论 · 计算机科学 2024-09-04 Heyin Shen , Chong Han , Hao Liu , Tao Yang

Uncertainty in discriminating between different received coherent signals is integral to the operation of many free-space optical communications protocols, and is often difficult when the receiver measures a weak signal. Here we design an…

量子物理 · 物理学 2020-06-16 Sanjaya Lohani , Ryan T. Glasser

As 5G networks rolling out in many different countries nowadays, the time has come to investigate how to upgrade and expand them towards 6G, where the latter is expected to realize the interconnection of everything as well as the…

信号处理 · 电气工程与系统科学 2021-04-06 Lisu Yu , Zilong Liu , Miaowen Wen , Donghong Cai , Shuping Dang , Yuhao Wang , Pei Xiao

Tensor processing is the cornerstone of modern technological advancements, powering critical applications in data analytics and artificial intelligence. While optical computing offers exceptional advantages in bandwidth, parallelism, and…

Metropolitan optical networks are undergoing major transformations to continue being able to provide services that meet the requirements of the applications of the future. The arrival of the $5G$ will expand the possibilities for offering…

网络与互联网体系结构 · 计算机科学 2022-04-07 Léia Sousa de Sousa , André Costa Drummond

Data centers based on Passive Optical Networks (PONs) can provide high capacity, low cost, scalability, elasticity and high energy-efficiency. This paper introduces the use of WDM-TDM multiple access in a PON-based data center that offers…

网络与互联网体系结构 · 计算机科学 2023-05-31 Mohammed Alharthi , Sanaa H. Mohamed , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

Driven by the growing demand for large-scale artificial intelligence applications, disaggregated compute nodes and high-radix switches in next-generation computing clusters are set to surpass the capacity of current optical interconnect…

With the growing applications of the Internet of Things (IoT), a major challenge is to ensure continuous connectivity while providing prioritized access. In dense IoT scenarios, synchronization may be disrupted either by the movement of…

信号处理 · 电气工程与系统科学 2026-01-21 Shama Siddiqui , Anwar Ahmed Khan , Nicola Marchetti

As deep neural network (DNN) models grow ever-larger, they can achieve higher accuracy and solve more complex problems. This trend has been enabled by an increase in available compute power; however, efforts to continue to scale electronic…

新兴技术 · 计算机科学 2020-06-25 Liane Bernstein , Alexander Sludds , Ryan Hamerly , Vivienne Sze , Joel Emer , Dirk Englund

In facing with the explosive Internet traffic growth, optical transport networks based on WDM technologies forming the core part of Internet infrastructure carrying multi-Tb/s has to be re-considered from both designing, planning, operation…

网络与互联网体系结构 · 计算机科学 2021-05-19 Dao Thanh Hai , Le Anh Ngoc

The next 5 th generation (5G) and above ultra-high speed, ultra-low latency, and extremely high reliable communication systems will consist of heterogeneous networks. These heterogeneous networks will consist not only radio frequency (RF)…

网络与互联网体系结构 · 计算机科学 2020-06-03 Mostafa Zaman Chowdhury , Moh Khalid Hasan , Md Shahjalal , Md Tanvir Hossan , Yeong Min Jang

Coherent optics has profoundly impacted diverse applications ranging from communications, LiDAR to quantum computations. However, building coherent systems in integrated photonics previously came at great expense in hardware integration and…

This paper proposes and demonstrates a PHY-layer design of a real-time prototype that supports Ultra-Reliable Communication (URC) in wireless infrastructure networks. The design makes use of Orthogonal Frequency Division Multiple Access…

网络与互联网体系结构 · 计算机科学 2021-09-03 Jiaxin Liang , Soung Chang Liew

Network capacity calls for significant increase for 5G cellular systems. A promising multi-user access scheme, non-orthogonal multiple access (NOMA) with successive interference cancellation (SIC), is currently under consideration. In NOMA,…

信息论 · 计算机科学 2016-11-18 Lei Lei , Di Yuan , Chin Keong Ho , Sumei Sun