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Reduction of wireless network energy consumption is becoming increasingly important to reduce environmental footprint and operational costs. A key concept to achieve it is the use of lean transmission techniques that dynamically…

信息论 · 计算机科学 2023-09-06 François Rottenberg

In this paper we have analyzed energy efficient neighbour selection algorithms for routing in wireless sensor networks. Since energy saving or consumption is an important aspect of wireless sensor networks, its precise usage is highly…

网络与互联网体系结构 · 计算机科学 2014-06-16 Saraswati Mishra , Prabhjot Kaur

It is well known that opportunistic scheduling algorithms are throughput optimal under dynamic channel and network conditions. However, these algorithms achieve a hypothetical rate region which does not take into account the overhead…

网络与互联网体系结构 · 计算机科学 2019-11-12 Mehmet Karaca , Tansu Alpcan , Ozgur Ercetin

This paper considers a joint scattering environment sensing and data recovery problem in an uplink integrated sensing and communication (ISAC) system. To facilitate joint scatterers localization and multi-user (MU) channel estimation, we…

信号处理 · 电气工程与系统科学 2025-02-11 An Liu , Wenkang Xu , Wei Xu , Giuseppe Caire

Throughput-optimal transmission scheduling in wireless networks has been a well considered problem in the literature, and the method for achieving optimality, MaxWeight scheduling, has been known for several decades. This algorithm achieves…

网络与互联网体系结构 · 计算机科学 2020-08-05 Thomas Stahlbuhk , Brooke Shrader , Eytan Modiano

Physical-layer security for wireless networks has become an effective approach and recently drawn significant attention in the literature. In particular, the deployment and allocation of resources such as relays to assist the transmission…

信息论 · 计算机科学 2017-12-29 X. Lu , R. C. de Lamare

The additional degree of freedom (DoF) in the distance domain of near-field communication offers new opportunities for physical layer security (PLS) design. However, existing works mainly consider static eavesdroppers, and the related study…

信号处理 · 电气工程与系统科学 2024-08-27 Yiming Xu , Mingxuan Zheng , Dongfang Xu , Shenghui Song , Daniel Benevides da Costa

Motivated by MIMO broad-band fading channel model, in this section a comparative study is presented regarding various uncoded adaptive and non-adaptive MIMO detection algorithms with respect to BER/PER performance, and hardware complexity.…

其他计算机科学 · 计算机科学 2010-06-17 Nirmalendu Bikas Sinha , R. Bera , M. Mitra

The air interface technology plays a crucial role in optimizing the communication quality for users. To address the challenges brought by the radio channel variations to air interface design, this article proposes a framework of wireless…

信号处理 · 电气工程与系统科学 2024-10-01 Jianhua Zhang , Yichen Cai , Li Yu , Zhen Zhang , Yuxiang Zhang , Jialin Wang , Tao Jiang , Liang Xia , Ping Zhang

Detecting the presence of persons and estimating their quantity in an indoor environment has grown in importance recently. For example, the information if a room is unoccupied can be used for automatically switching off the light, air…

信号处理 · 电气工程与系统科学 2021-05-18 Florenc Demrozi , Cristian Turetta , Fabio Chiarani , Philipp H. Kindt , Graziano Pravadelli

In the fifth generation era, the pervasive applications of Internet of Things and massive machine-type communications have initiated increasing research interests on the backscatter wireless powered communication (B-WPC) technique due to…

信息论 · 计算机科学 2018-01-30 Qian Yang , Hui-Ming Wang , Tong-Xing Zheng , Zhu Han , Moon Ho Lee

The upsurge in wireless devices and real-time service demands force the move to a higher frequency spectrum. Millimetre-wave (mmWave) and terahertz (THz) bands combined with the beamforming technology offer significant performance…

网络与互联网体系结构 · 计算机科学 2022-03-31 Mohammad Al-Quraan , Ahsan Khan , Lina Mohjazi , Anthony Centeno , Ahmed Zoha , Muhammad Ali Imran

We propose using recognition networks for approximate inference inBayesian networks (BNs). A recognition network is a multilayerperception (MLP) trained to predict posterior marginals given observedevidence in a particular BN. The input to…

人工智能 · 计算机科学 2013-01-14 Quaid Morris

We introduce a novel network-adaptive algorithm that is suitable for alleviating network packet losses for low-latency interactive communications between a source and a destination. Our network-adaptive algorithm estimates in real-time the…

网络与互联网体系结构 · 计算机科学 2020-06-30 Salma Emara , Silas L. Fong , Baochun Li , Ashish Khisti , Wai-Tian Tan , Xiaoqing Zhu , John Apostolopoulos

Current advances in wireless communication, microelectronics, semiconductor technologies, and intelligent sensors have contributed to the development of unobtrusive WBANs. These networks provide long term health monitoring of patients…

网络与互联网体系结构 · 计算机科学 2018-10-26 Sana Ullah , Pervez Khan , Kyung Sup Kwak

Millimeter-wave MIMO systems have gained increasing traction towards the goal of meeting the high data-rate requirements in next-generation wireless systems. The focus of this work is on low-complexity beamforming approaches for initial UE…

信息论 · 计算机科学 2016-05-04 Vasanthan Raghavan , Juergen Cezanne , Sundar Subramanian , Ashwin Sampath , Ozge Koymen

In 5G and future generation wireless systems, massive IoT networks with bursty traffic are expected to co-exist with cellular systems to serve several latency-critical applications. Thus, it is important for the access points to identify…

信号处理 · 电气工程与系统科学 2021-11-05 Jyotish Robin , Elza Erkip

Novelty search (NS) refers to a class of exploration algorithms that seek to uncover diverse system behaviors through simulations or experiments. Such diversity is central to many AI-driven discovery and design tasks, including material and…

机器学习 · 统计学 2025-07-31 Wei-Ting Tang , Ankush Chakrabarty , Joel A. Paulson

The wireless channel is undergoing continuous changes, and the block-fading assumption, despite its popularity in theoretical contexts, never holds true in practical scenarios. This discrepancy is particularly critical for user activity…

信息论 · 计算机科学 2024-05-16 Jianan Bai , Erik G. Larsson

To coexist with Wi-Fi friendly, a standalone long-term evolution network over unlicensed spectrum (LTE-U) under listen-before-talk (LBT) mechanism can only access channel in a random and intermittent way, which results in random and…

网络与互联网体系结构 · 计算机科学 2018-10-15 Hangguan Shan , Taojie Qin , Guanding Yu , Lin X. Cai , Yu Cheng , Tony Q. S. Quek