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A unified approach to energy-efficient power control, applicable to a large family of receivers including the matched filter, the decorrelator, the (linear) minimum-mean-square-error detector (MMSE), and the individually and jointly optimal…

信息论 · 计算机科学 2007-07-13 Farhad Meshkati , H. Vincent Poor , Stuart C. Schwartz , Dongning Guo

With increasing density and heterogeneity in unlicensed wireless networks, traditional MAC protocols, such as carrier-sense multiple access with collision avoidance (CSMA/CA) in Wi-Fi networks, are experiencing performance degradation. This…

网络与互联网体系结构 · 计算机科学 2024-06-05 Jiantao Xin , Wei Xu , Bin Cao , Taotao Wang , Shengli Zhang

We study whether using non-orthogonal multiple access (NOMA) in the uplink of a mobile network can improve the performance over orthogonal multiple access (OMA) when the system requires ultra-reliable low-latency communications (URLLC). To…

信息论 · 计算机科学 2019-03-25 Sebastian Schiessl , Mikael Skoglund , James Gross

As the technical trends for the next-generation wireless network significantly extend the near-field region, a performance reevaluation of integrated sensing and communications (ISAC) with an appropriate channel model to account for the…

信息论 · 计算机科学 2024-04-16 Boqun Zhao , Chongjun Ouyang , Yuanwei Liu , Xingqi Zhang , H. Vincent Poor

In recent years, WLAN technology has been gaining popularity around the world with its sub standard 802.11b receiving major deployments in many indoor and outdoor environments. In this article we investigate the performance of IEEE 802.11b…

网络与互联网体系结构 · 计算机科学 2010-05-24 A. N. Omara , Sherine M. Abd El-Kader , Hussein S. Eissa , S. El-Ramly

CF-mMIMO systems are a promising solution to enhance the performance in 6G wireless networks. Its distributed nature of the architecture makes it highly reliable, provides sufficient coverage and allows higher performance than cellular…

信号处理 · 电气工程与系统科学 2024-02-12 Ramprasad Raghunath , Bile Peng , Eduard A. Jorswieck

The enhanced distributed channel access (EDCA) mechanism enables IEEE 802.11p to accommodate differential quality of service (QoS) levels in vehicle-to-vehicle (V2V) communications, through four access categories (ACs). This paper presents…

网络与互联网体系结构 · 计算机科学 2020-07-20 Geeth P. Wijesiri , Jussi Haapola , Tharaka Samarasinghe

Millimeter-wave (mmWave) and terahertz (THz) communications with hybrid precoding architectures have been regarded as energy-efficient solutions to fulfill the vision of high-speed transmissions for 6G communications. Benefiting from the…

信号处理 · 电气工程与系统科学 2023-05-05 Zidong Wu , Linglong Dai

The binary exponential backoff scheme is widely used in WiFi 7 and still incurs poor throughput performance under dynamic channel environments. Recent model-based approaches (e.g., non-persistent and $p$-persistent CSMA) simply optimize…

机器学习 · 计算机科学 2025-09-12 Shugang Hao , Hongbo Li , Lingjie Duan

The fleet management of mobile working machines with the help of connectivity can increase not only safety but also productivity. However, rare mobile working machines have taken advantage of V2X. Moreover, no one published the simulation…

网络与互联网体系结构 · 计算机科学 2020-04-24 Yusheng Xiang , Tianqing Su , Xiaole Liu , Marcus Geimer

Podobnik and Stanley recently proposed a novel framework, Detrended Cross-Correlation Analysis, for the analysis of power-law cross-correlation between two time-series, a phenomenon which occurs widely in physical, geophysical, financial…

统计方法学 · 统计学 2013-09-18 Duncan A. J. Blythe

Power side-channel analysis (SCA) has been of immense interest to most embedded designers to evaluate the physical security of the system. This work presents profiling-based cross-device power SCA attacks using deep learning techniques on…

信号处理 · 电气工程与系统科学 2019-07-08 Anupam Golder , Debayan Das , Josef Danial , Santosh Ghosh , Shreyas Sen , Arijit Raychowdhury

We study statistical process control (SPC) through charting of $p$-values. When in control (IC), any valid sequence $(P_{t})_{t}$ is super-uniform, a requirement that can hold in nonparametric and two-phase designs without parametric…

统计方法学 · 统计学 2026-01-27 Hien Duy Nguyen , Dan Wang

Multi-Cell (MC) systems are present in mobile network operations from the first generation to the fifth generation of wireless networks, and considers the signals of all users to a base station (BS) centered in a cell. Cell-Free (CF)…

信息论 · 计算机科学 2022-10-04 E. F. de Almeida , R. C. de Lamare

Recently designed cross-layer contention based synchronous MAC protocols like the PRMAC protocol, for wireless sensor networks (WSNs) enable a node to schedule multi-hop transmission of multiple data packets in a cycle. However, these…

网络与互联网体系结构 · 计算机科学 2016-09-07 Ripudaman Singh , Brijesh Kumar Rai , Sanjay Kumar Bose

Network traffic model is a critical problem for urban applications, mainly because of its diversity and node density. As wireless sensor network is highly concerned with the development of smart cities, careful consideration to traffic…

网络与互联网体系结构 · 计算机科学 2014-06-23 Trista Lin , Hervé Rivano , Frédéric Le Mouël

Wi-Fi systems based on the IEEE 802.11 standards are the most popular wireless interfaces that use Listen Before Talk (LBT) method for channel access. The distinctive feature of a majority of LBT-based systems is that the transmitters use…

信息论 · 计算机科学 2021-07-23 Vukan Ninkovic , Aleksandar Valka , Dejan Dumic , Dejan Vukobratovic

Achieving an end-to-end low-latency for computations offloading, in Mobile Edge Computing (MEC) systems, is still a critical design problem. This is because the offloading of computational tasks via the MEC servers entails the use of uplink…

网络与互联网体系结构 · 计算机科学 2022-02-15 Ali Al-Shuwaili , Ahmed Lawey

Spectrum sharing backscatter communication systems are among the most prominent technologies for ultralow power and spectrum efficient communications. In this paper, we propose an underlay spectrum sharing backscatter communication system,…

信息论 · 计算机科学 2021-01-27 Yazan H. Al-Badarneh , Ahmed Elzanaty , Mohamed-Slim Alouini

In this report, we study the packet delay as a QoS metric in CR systems. The packet delay includes the queue waiting time and the service time. In this work, we study the effect of both the scheduling and the power allocation algorithms on…

信息论 · 计算机科学 2016-01-05 Ahmed Ewaisha