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We present a multi-tenant multi-wavelength upstream transmission scheme for virtualised PONs, enabling compliance with latency-oriented Service Level Agreements (SLAs). Our analysis highlights an important trade-off between single-channel…

Networking and Internet Architecture · Computer Science 2024-02-26 Arijeet Ganguli , Marco Ruffini

Orthogonal Frequency Division Multiple Access (OFDMA) as well as other orthogonal multiple access techniques fail to achieve the system capacity limit in the uplink due to the exclusivity in resource allocation. This issue is more prominent…

Information Theory · Computer Science 2017-05-12 Mohammed Al-Imari , Pei Xiao , Muhammad Ali Imran , Rahim Tafazolli

Domain-specific accelerators deliver exceptional performance on their target workloads through fabrication-time orchestrated datapaths. However, such specialized architectures often exhibit performance fragility when exposed to new kernels…

Hardware Architecture · Computer Science 2026-02-20 Zhenyu Bai , Pranav Dangi , Rohan Juneja , Zhaoying Li , Zhanglu Yan , Huiying Lan , Tulika Mitra

The Internet of Things (IoT) is pivotal in transforming the way we live and interact with our surroundings. To cope with the advancement in technologies, it is vital to acquire accuracy with the speed. A phase frequency detector (PFD) is a…

Networking and Internet Architecture · Computer Science 2024-01-09 Md. Shahriar Khan Hemel , Mamun Bin Ibne Reaz , Sawal Hamid Bin Md Ali , Mohammad Arif Sobhan Bhuiyan , Mahdi H. Miraz

With the stringent requirements introduced by the new sixth-generation (6G) internet-of-things (IoT) use cases, traditional approaches to multiple access control have started to show their limitations. A new wave of grant-free (GF)…

Signal Processing · Electrical Eng. & Systems 2023-04-25 Alberto Rech , Stefano Tomasin , Lorenzo Vangelista , Cristina Costa

For future wireless communication technologies, an increase in capabilities such as throughput is strongly expected. Transmission in the sub-THz bands (>90 GHz) seems to be the potential solution to meet the ever-increasing capacity demands…

Information Theory · Computer Science 2022-12-14 Yaya Bello , Jean-Baptiste-Doré , David Demmer

There has been an exponential increase in the usage of multimedia services in mobile networks in recent years. To address this accelerating data demand, mobile networks are experiencing a subtle transformation in their architecture. One of…

Networking and Internet Architecture · Computer Science 2024-01-03 Rashmi Yadav , Rashmi Kamran , Pranav Jha , Abhay Karandikar

Future developments in deep learning applications requiring large datasets will be limited by power and speed limitations of silicon based Von-Neumann computing architectures. Optical architectures provide a low power and high speed…

Emerging Technologies · Computer Science 2020-03-02 Benjamin D. Steel

Non-orthogonal multiple access (NOMA) is one of the promising radio access techniques for performance enhancement in next-generation cellular communications. Compared to orthogonal frequency division multiple access (OFDMA), which is a…

Information Theory · Computer Science 2016-11-17 S. M. Riazul Islam , Nurilla Avazov , Octavia A. Dobre , Kyung Sup Kwak

Nowadays, IEEE 802.11, i.e., Wi-Fi has emerged as a prevailing technology for broadband wireless networking. To meet the tremendous rise of demand for future generation wireless LANs, a robust and efficient MAC protocol is required for the…

Networking and Internet Architecture · Computer Science 2023-04-04 Gazi Zahirul Islam

In the present paper, the recent applications of optical parametric amplifiers (OPAs) in hybrid wavelength division multiplexing (WDM)/time division multiplexing (TDM) local area passive optical networks have been modeled and parametrically…

Networking and Internet Architecture · Computer Science 2009-08-10 Abd El Naser A. Mohamed , Mohamed M. E. El-Halawany , Ahmed Nabih Zaki Rashed , Mahmoud M. A. Eid

Network monitoring and measurement are crucial in network management to facilitate quality of service routing and performance evaluation. Software Defined Networking (SDN) makes network management easier by separating the control plane and…

Networking and Internet Architecture · Computer Science 2017-10-17 Zhiyang Su , Ting Wang , Yu Xia , Mounir Hamdi

As data rates for multi-gigabit serial interfaces within multi-node compute systems approach and exceed 10 Gigabits per second (Gbps), board-to-board and chip-to-chip optical signaling solutions become more attractive, particularly for…

Signal Processing · Electrical Eng. & Systems 2023-01-25 James Kruchowski , Vladimir Sokolov , Nathan E. Harff , Mark A. Nelson , KY Liou , Graham Cameron , Barry K. Gilbert , Erik S. Daniel

This paper aims to provide a comprehensive solution for the design, analysis, and optimization of a multiple-antenna non-orthogonal multiple access (NOMA) system for multiuser downlink communication with both time duplex division (TDD) and…

Information Theory · Computer Science 2017-06-05 Xiaoming Chen , Zhaoyang Zhang , Caijun Zhong , Derrick Wing Kwan Ng

The quick rise of emerging technologies like spectrally efficient multicarrier with a higher order modulation and bandwidth variable wavelength selective switches have caused a shift of the optical network architecture from fixed to the…

Signal Processing · Electrical Eng. & Systems 2023-06-29 Faranak Khosravi , Subbulakshmi Easwaran , Mehdi Shadaram

Fixed-Point-Oriented Programming (FPOP) is an emerging paradigm designed to streamline the implementation of problems involving self-referential computations. These include graph algorithms, static analysis, parsing, and distributed…

Programming Languages · Computer Science 2025-07-30 Yong Qi Foo , Brian Sze-Kai Cheong , Michael D. Adams

Terrestrial free-space optical (FSO) communication systems, while designed to operate on large unlicensed optical bandwidths, are fundamentally power-constrained due to stringent eye-safety regulations. Moreover, channel fluctuations…

Information Theory · Computer Science 2026-02-26 Himani Verma , Kamal Singh , Ranjan K. Mallik

This paper gives an overview of Software Defined Optical Networks or SDONs and how they can be implemented. It traces the evolution of Optical networks upto GMPLS and traces the idea of SDN and builds upto OpenFlow. The paper explores the…

Networking and Internet Architecture · Computer Science 2024-02-20 Deven Panchal

Sixth-generation (6G) networks are evolving towards new features and order-of-magnitude enhancement of systematic performance metrics compared to the current 5G. In particular, the 6G networks are expected to achieve extreme connectivity…

We demonstrate a technique for ultrastable optical frequency dissemination in a branching passive optical network using code-division multiple access (CDMA). In our protocol, each network user employs a unique pseudo-random sequence to…