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We propose orthogonal frequency division multiplexing (OFDM), as a spectrally efficient multiplexing technique, for quantum key distribution (QKD) at the core of trustednode quantum networks. Two main schemes are proposed and analyzed in…

量子物理 · 物理学 2015-11-24 Sima Bahrani , Mohsen Razavi , Jawad A. Salehi

Deep learning has led to remarkable strides in scene understanding with panoptic segmentation emerging as a key holistic scene interpretation task. However, the performance of panoptic segmentation is severely impacted in the presence of…

计算机视觉与模式识别 · 计算机科学 2023-10-19 Rohit Mohan , Kiran Kumaraswamy , Juana Valeria Hurtado , Kürsat Petek , Abhinav Valada

This paper investigates the impact of relay selection (RS) on the performance of cooperative non-orthogonal multiple access (NOMA), where relays are capable of working in either full-duplex (FD) or half-duplex (HD) mode. A number of relays…

信息论 · 计算机科学 2018-12-24 Xinwei Yue , Yuanwei Liu , Shaoli Kang , Arumugam Nallanathan , Zhiguo Ding

Maximum throughput requires path diversity enabled by bifurcating traffic at different network nodes. In this work, we consider a network where traffic bifurcation is allowed only at a subset of nodes called \emph{routers}, while the rest…

网络与互联网体系结构 · 计算机科学 2014-09-08 Georgios Paschos , Eytan Modiano

We analyze fading relay networks, where a single-antenna source-destination terminal pair communicates through a set of half-duplex single-antenna relays using a two-hop protocol with linear processing at the relay level. A family of…

信息论 · 计算机科学 2016-08-14 Cemal Akçaba , Patrick Kuppinger , Helmut Bölcskei

Network slicing has been considered as one of the key enablers for 5G to support diversified services and application scenarios. This paper studies the distributed network slicing utilizing both the spectrum resource offered by…

网络与互联网体系结构 · 计算机科学 2020-02-05 Anqi Huang , Yingyu Li , Yong Xiao , Xiaohu Ge , Sumei Sun , Han-Chieh Chao

Routing packets opportunistically is an essential part of multihop ad hoc wireless sensor networks. The existing routing techniques are not adaptive opportunistic. In this paper we have proposed an adaptive opportunistic routing scheme that…

网络与互联网体系结构 · 计算机科学 2013-11-01 G. Srinivas Rao , A. V. Ramana

Performing random walks in networks is a fundamental primitive that has found numerous applications in communication networks such as token management, load balancing, network topology discovery and construction, search, and peer-to-peer…

分布式、并行与集群计算 · 计算机科学 2012-01-12 Atish Das Sarma , Anisur Rahaman Molla , Gopal Pandurangan

Redundant sensing capabilities are often required in sensor network applications due to various reasons, e.g. robustness, fault tolerance, or increased accuracy. At the same time high sensor redundancy offers the possibility of increasing…

网络与互联网体系结构 · 计算机科学 2007-10-23 Simon Gyula , Miklos Molnar , Laszlo Gonczy , Bernard Cousin

Motivated by energy management for micro-grids, we study convex optimization problems with uncertainty in the objective function and sequential decision making. To solve these problems, we propose a new framework called ``Online…

最优化与控制 · 数学 2020-08-25 Martijn H. H. Schoot Uiterkamp , Marco E. T. Gerards , Johann L. Hurink

This paper considers constrained online dispatching with unknown arrival, reward and constraint distributions. We propose a novel online dispatching algorithm, named POND, standing for Pessimistic-Optimistic oNline Dispatching, which…

机器学习 · 计算机科学 2021-05-12 Xin Liu , Bin Li , Pengyi Shi , Lei Ying

Oblivious routing has a long history in both the theory and practice of networking. In this work we initiate the formal study of oblivious routing in the context of reconfigurable networks, a new architecture that has recently come to the…

数据结构与算法 · 计算机科学 2021-11-18 Daniel Amir , Tegan Wilson , Vishal Shrivastav , Hakim Weatherspoon , Robert Kleinberg , Rachit Agarwal

Intermittently-powered wireless sensor networks (WSNs) use energy harvesting and small energy storage to remove the need for battery replacement and to extend the operational lifetime. However, an intermittently-powered forwarder regularly…

网络与互联网体系结构 · 计算机科学 2021-09-27 Edward Longman , Mohammed El-Hajjar , Geoff V. Merrett

Often, deep network models are purely inductive during training and while performing inference on unseen data. Thus, when such models are used for predictions, it is well known that they often fail to capture the semantic information and…

计算机视觉与模式识别 · 计算机科学 2023-10-09 Zhu Wang , Sourav Medya , Sathya N. Ravi

In recent years, deep neural networks (DNNs) have gained widespread adoption for continuous mobile object detection (OD) tasks, particularly in autonomous systems. However, a prevalent issue in their deployment is the one-size-fits-all…

机器学习 · 计算机科学 2024-04-30 Justin Davis , Mehmet E. Belviranli

In recent years, a large number of smart devices will be connected in Internet of Things (IoT) using an ad hoc network, which needs more frequency spectra. The cognitive radio (CR) technology can improve spectrum utilization in an…

网络与互联网体系结构 · 计算机科学 2020-03-27 Xiaoxiong Zhong , Li Li , Yuanping Zhang , Bin Zhang , Weizhe Zhang , Tingting Yang

In this work, we investigate a multi-source multi-cast network with the aid of an arbitrary number of relays, where it is assumed that no direct link is available at each S-D pair. The aim is to find the fundamental limit on the maximal…

信息论 · 计算机科学 2014-06-05 Z. Chen , P. Fan , K. B. Letaief

In this paper, a symbol-level selective transmission for full-duplex (FD) relaying networks is proposed to mitigate error propagation effects and improve system spectral efficiency. The idea is to allow the FD relay node to predict the…

信息论 · 计算机科学 2018-06-05 Jiancao Hou , Sandeep Narayanan , Na Yi , Yi Ma , Mohammad Shikh-Bahaei

Multi-hop relaying is an economically efficient architecture for coverage extension and throughput enhancement in future wireless networks. OFDM, on the other hand, is a spectrally efficient physical layer modulation technique for broadband…

信息论 · 计算机科学 2009-01-22 Xiaolu Zhang , Meixia Tao , Wenhua Jiao , Chun Sum Ng

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