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A routing $R$ of a given connected graph $G$ of order $n$ is a collection of $n(n-1)$ simple paths connecting every ordered pair of vertices of $G$. The vertex-forwarding index $\xi(G,R)$ of $G$ with respect to $R$ is defined as the maximum…

组合数学 · 数学 2012-04-13 Jun-Ming Xu , Min Xu

The traditional centralized baseband processing architecture is faced with the bottlenecks of high computation complexity and excessive fronthaul communication, especially when the number of antennas at the base station (BS) is large. To…

信息论 · 计算机科学 2022-10-31 Yanqing Xu , Bo Wang , Enbin Song , Qingjiang Shi , Tsung-Hui Chang

Constellation shaping is a practical and effective technique to improve the performance and the rate adaptivity of optical communication systems. In principle, it could also be used to mitigate the impact of nonlinear effects, possibly…

信息论 · 计算机科学 2022-06-08 Marco Secondini , Stella Civelli , Enrico Forestieri , Lareb Zar Khan

The rapid expansion of oceanic applications such as underwater surveillance and mineral exploration is driving the need for real-time wireless backhaul of massive observational data. Such demands are challenging to meet using the narrowband…

信号处理 · 电气工程与系统科学 2026-05-19 Jiayue Liu , Tianqi Mao , Leyu Cao , Weijie Liu , Dezhi Zheng , Julian Cheng , Zhaocheng Wang

Due to the emergence of new paradigms and services such as 5G/6G, IoT, and more, current deployed wired Data Center Networks (DCNs) are not meeting the required performance metrics due to their limited reconfigurability, scalability, and…

网络与互联网体系结构 · 计算机科学 2022-03-22 Abrar S. Alhazmi , Sanaa H. Mohamed , T. E. H. El-Gorashi , Jaafar M. H. Elmirghani

Efficient message forwarding in mobile ad hoc network in disaster scenarios is challenging because location information on the boundary and interior nodes is often unavailable. Information related to boundary nodes can be used to design…

网络与互联网体系结构 · 计算机科学 2022-04-05 Se-Hang Cheong , Yain-Whar Si

A routing algorithm is the most fundamental problem in complex network communication. In complex networks, the amount of computation increases as the number of nodes increases which reduces routing performance. In this paper, we propose a…

网络与互联网体系结构 · 计算机科学 2024-06-11 Dana Turlykozhayeva , Sayat Akhtanov , Nurzhan Ussipov , Almat Akhmetali , Aslan Bolysbay , Yerkin Shabdan

To cater to the demands of our rapidly growing Internet traffic, backbone networks need high-degree reconfigurable optical add/drop multiplexers (ROADMs) to simultaneously support multiple pairs of bi-directional fibers on each link.…

网络与互联网体系结构 · 计算机科学 2023-02-14 Jiemin Lin , Zeshan Chang , Liangjia Zong , Sanjay K. Bose , Tianhai Chang , Gangxiang Shen

In a wired network, a packet can be transmitted to a specified destination only, no broadcasting required. But in ad hoc wireless network a packet transmitted by a node can reach all neighbors due to broadcasting. This broadcasting…

网络与互联网体系结构 · 计算机科学 2013-04-09 Md. Nazrul Islam , M. M. A. Hashem , A. M. Moshiur Rahman

We report a systematic methodology to obtain supermodes with equidistant effective index distribution and to excite arbitrary target supermodes with high precision. By employing a multi-well optical potential realized by a judiciously…

光学 · 物理学 2026-04-22 Kaile Chen , Qi Lu , Yuan Zhong , Jingchi Li , Yuru Li , Zhaohui Li , Chao Lu , Yikai Su , Lu Sun

Bilevel optimization, crucial for hyperparameter tuning, meta-learning and reinforcement learning, remains less explored in the decentralized learning paradigm, such as decentralized federated learning (DFL). Typically, decentralized…

机器学习 · 计算机科学 2024-10-21 Min Wen , Chengchang Liu , Ahmed Abdelmoniem , Yipeng Zhou , Yuedong Xu

Information-centric networking (ICN) facilitates content identification in networks and offers parametric representation of content semantics. This work, proposes an ICN/WDM network architecture that uses these features to offer superior…

网络与互联网体系结构 · 计算机科学 2016-08-30 Mays F. AL-Naday , Nikolaos Thomos , Martin J. Reed

For a connected graph $G$, an instance $I$ is a set of pairs of vertices and a corresponding routing $R$ is a set of paths specified for all vertex-pairs in $I$. Let $\mathfrak{R}_I$ be the collection of all routings with respect to $I$.…

组合数学 · 数学 2024-12-17 Yuan-Hsun Lo , Hung-Lin Fu , Yijin Zhang , Wing Shing Wong

The development of deep neural networks is witnessing fast growth in network size, which requires novel hardware computing platforms with large bandwidth and low energy consumption. Optical computing has been a potential candidate for…

光学 · 物理学 2024-11-26 Zhetao Jia , Hector Rubio , Lilian Neim , Jagang Park , Stefan Preble , Boubacar Kanté

Optical communication systems have come through five orders of magnitude improvement in data rate over the last three decades. The increased demand in data traffic and the limited optoelectronic component bandwidths have led to…

Ambient backscatter communication (AmBC) enables wireless-powered backscatter devices (BDs) to transmit information over ambient radio-frequency (RF) carriers without using an RF transmitter, and thus has emerged as a promising technology…

信息论 · 计算机科学 2018-05-04 Gang Yang , Dongdong Yuan , Ying-Chang Liang

This paper investigates task-oriented communication for multi-device cooperative edge inference, where a group of distributed low-end edge devices transmit the extracted features of local samples to a powerful edge server for inference.…

信号处理 · 电气工程与系统科学 2023-09-13 Jiawei Shao , Yuyi Mao , Jun Zhang

Emerging artificial intelligence applications across the domains of computer vision, natural language processing, graph processing, and sequence prediction increasingly rely on deep neural networks (DNNs). These DNNs require significant…

硬件体系结构 · 计算机科学 2024-08-01 Sudeep Pasricha

In recent years, the demand for high speed wireless networking has increased considerably due to the enormous number of devices connected to the Internet. In this context, optical wireless communication (OWC) has received tremendous…

信息论 · 计算机科学 2021-09-28 Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

Networking superconducting quantum computers is a longstanding challenge in quantum science. The typical approach has been to cascade transducers: converting to optical frequencies at the transmitter and to microwave frequencies at the…