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Data center networks (DCNs) are essential infrastructures to embrace the era of highly diversified massive amount of data generated by emerging technological applications. In order to store and process such a data deluge, today's DCNs have…

Networking and Internet Architecture · Computer Science 2018-11-29 Abdulkadir Celik , Basem Shihada , Mohamed-Slim Alouini

Light storage in an optical fiber is an attractive component in quantum optical delay line technologies. Although silica-core optical fibers are excellent in transmitting broadband optical signals, it is challenging to tailor their…

Optics · Physics 2020-09-14 Wui Seng Leong , Mingjie Xin , Chang Huang , Zilong Chen , Shau-Yu Lan

A multiplicity of autonomous terminals simultaneously transmits data streams to a compact array of antennas. The array uses imperfect channel-state information derived from transmitted pilots to extract the individual data streams. The…

Information Theory · Computer Science 2012-05-23 Hien Quoc Ngo , Erik G. Larsson , Thomas L. Marzetta

The digital Subscriber Line (DSL) remains an important component of heterogeneous networking, especially in historic city-centers, where using optical fibre is less realistic. Recently, the power consumption has become an important…

Signal Processing · Electrical Eng. & Systems 2019-07-02 Jiankang Zhang , Chao Xu , Tong Bai , Fasong Wang , Shida Zhong

This paper presents joint power allocation and interference mitigation techniques for the downlink of spread spectrum systems which employ multiple relays and the amplify and forward cooperation strategy. We propose a joint constrained…

Information Theory · Computer Science 2013-01-29 Rodrigo C. de Lamare

Wirelessly powered communications will entail short packets due to naturally small payloads, low-latency requirements and/or insufficient energy resources to support longer transmissions. In this paper, a wirelessly powered communication…

Information Theory · Computer Science 2016-11-03 Talha Ahmed Khan , Robert W. Heath , Petar Popovski

Most of the recent advances in the design of high-speed wireless systems are based on information-theoretic principles that demonstrate how to efficiently transmit long data packets. However, the upcoming wireless systems, notably the 5G…

Information Theory · Computer Science 2016-03-02 Giuseppe Durisi , Tobias Koch , Petar Popovski

The rapidly increasing size of deep-learning models has caused renewed and growing interest in alternatives to digital computers to dramatically reduce the energy cost of running state-of-the-art neural networks. Optical matrix-vector…

Emerging Technologies · Computer Science 2024-06-18 Maxwell G. Anderson , Shi-Yuan Ma , Tianyu Wang , Logan G. Wright , Peter L. McMahon

In this paper, we propose incorporating Optical Wireless Communication (OWC) and Passive Optical Network (PON) technologies into next generation spine-and-leaf Data Centre Networks (DCNs). In this work, OWC systems are used to connect the…

Networking and Internet Architecture · Computer Science 2024-04-23 Abrar S. Alhazmi , Sanaa H. Mohamed , Ahmad Qidan , T. E. H. El-Gorashi , Jaafar M. H. Elmirghani

Low-power wireless communication is a central building block of Cyber-physical Systems and the Internet of Things. Conventional low-power wireless protocols make avoiding packet collisions a cornerstone design choice. The concept of…

Networking and Internet Architecture · Computer Science 2020-01-27 Marco Zimmerling , Luca Mottola , Silvia Santini

Optical interconnect is seen as a potential solution to meet the performance requirements of current and future generation of data processors. Optical interconnects have negligible frequency dependent loss, low cross talk and high band…

Emerging Technologies · Computer Science 2013-03-19 Sumita Mishra , Naresh K Chaudhary , Kalyan Singh

Motivated by the massive deployment of power-hungry data centers for service provisioning, we examine the problem of routing in optical networks with the aim of minimizing traffic-driven power consumption. To tackle this issue, routing must…

Networking and Internet Architecture · Computer Science 2016-05-06 Panayotis Mertikopoulos , Aris L. Moustakas , Anna Tzanakaki

In this paper, we consider a wireless powered multi-relay network in which a multi-antenna hybrid access point underlaying a cellular system transmits information to distant receivers. Multiple relays capable of energy harvesting are…

Information Theory · Computer Science 2018-10-23 Jing Xu , Yuze Zou , Shimin Gong , Lin Gao , Dusit Niyato , Wenqing Cheng

Although millimeter wave (mmWave) systems promise to offer larger bandwidth and unprecedented peak data rates, their practical implementation faces several hardware challenges compared to sub-6 GHz communication systems. These hardware…

Information Theory · Computer Science 2018-11-09 Xi Yang , Michail Matthaiou , Jie Yang , Chao-Kai Wen , Feifei Gao , Shi Jin

The detection of underwater targets is severely affected by the non-uniform spatial characteristics of marine environmental noise. Additionally, the presence of both natural and anthropogenic acoustic sources, including shipping traffic,…

Signal Processing · Electrical Eng. & Systems 2025-12-15 Siyuan Cang , Cong Liu , Xueli Sheng , Xiaoming Cui , Chao Li , Changxin Fa , Jiantong Chen , Chaoran Yang , Huayong Yang

Future wireless networks will extensively rely upon bandwidths centered on carrier frequencies larger than 10GHz. Indeed, recent research has shown that, despite the large path-loss, millimeter wave (mmWave) frequencies can be successfully…

Information Theory · Computer Science 2016-02-25 Stefano Buzzi , Carmen D'Andrea , Tommaso Foggi , Alessandro Ugolini , Giulio Colavolpe

This paper considers an orthogonal frequency division multiplexing (OFDM) point-to-point wireless communication system with simultaneous wireless information and power transfer. We study a receiver which is able to harvest energy from the…

Information Theory · Computer Science 2013-03-12 Derrick Wing Kwan Ng , Robert Schober

The deployment of business critical applications and information infrastructures are moving to the cloud. This means they are hosted in large scale data centers with other business applications and infrastructures with less (or none)…

Networking and Internet Architecture · Computer Science 2014-05-14 Roberto Baldoni , Mario Caruso , Adriano Cerocchi , Claudio Ciccotelli , Luca Montanari , Luca Nicoletti

Nanoscale light sources are being intensively investigated for their potential to enable low-energy, high-density optical communication and sensing systems. Both nano-light-emitting diodes (nanoLEDs) and nanolasers have been considered,…

Applied Physics · Physics 2020-03-19 Bruno Romeira , Andrea Fiore

Cooperation between satellite and terrestrial wireless networks promises great potential in meeting fast-growing demands for ubiquitous communications coverage. To tackle spectrum scarcity, spectrum sharing is studied for a hybrid…

Information Theory · Computer Science 2026-01-27 Yanmin Wang , Wei Feng , Yunfei Chen , Yongxu Zhu , Shidong Zhou , Cheng-Xiang Wang