Electrical Engineering: المرسلات الحديثة
السجلات المعروضة 1081 -- 1100 من 2821
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Non-uniform quantized distributed sensing in practical wireless rayleigh fading channel
( Springer Verlag , 2015 , Conference)In this paper, we study non-uniform multilevel quantization problem in cognitive radio networks (CRNs). We consider a practical collaborative spectrum sensing (CSS) scenario in which secondary users (SUs) cooperate with ... -
Multi-user diversity with optimal power allocation in spectrum sharing under average interference power constraint
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference)In this paper, we investigate the performance of multi-user diversity (MUD) with optimal power allocation (OPA) in spectrum sharing (SS) under average interference power (AIP) constraint. In particular, OPA through average ... -
On the more accurate channel model and positioning based on time-of-arrival for visible light localization
( SPIE , 2017 , Article)This paper presents an improved propagation channel model for the visible light in indoor environments. We employ this model to derive an enhanced positioning algorithm using on the relation between the time-of-arrivals ... -
Modulation-independent non-data-aided SNR estimator for OFDM signals in nakagami fading channels
(2013 , Conference)A signal-to-noise ratio estimator for OFDM signals in Nakagami-m fading channels is proposed. This estimator can be used with any signal constellation. It is an envelope-based non-data-aided estimator that makes use of ... -
On the Design of a Relay-Assisted Network
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)A relay network composed of a source, a set of relays, and a destination is considered. A queueing framework is proposed, in which each node maintains a buffer to store its incoming traffic. An optimization-based formulation ... -
Secure Spatial Multiple Access Using Directional Modulation
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference)In this paper, we introduce a secure multiple access scheme, which exploits the multipath structure of the channel to create a multi-user interference environment. The generated interference enables legitimate users to ... -
The Role of 5G/6G Networks in Building Sustainable and Energy-Efficient Smart Cities
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference)Future wireless networks aim to provide high-energy efficiency, high spectral efficiency, low cost, and support a massive number of connected devices in prospect the evolution of Internet of Things (IoT) and smart cities. ... -
SFET-based multiple antenna spectrum sensing using the second order moments of eigenvalues
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference)In this paper, we propose a new detector for multiantenna spectrum sensing in cognitive radios (CR) by exploiting the Separating Function Estimation Test (SFET) framework. Specifically, we consider a blind scenario for ... -
Statistical analysis of electromagnetic field inside a jet engine using the reverberation chamber approach
( Electromagnetics Academy , 2012 , Article)In this paper, the electromagnetic field distribution inside a jet engine is studied through full wave analysis. Results are statistically analyzed by comparisons to the models used for the reverberation chamber with a ... -
Throughput maximization via adjusting packet size of a buffered cognitive radio user
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference)In this paper, we investigate a cognitive scenario with one secondary user and one primary user. Users are assumed to be buffered terminals. Each user has certain arrival rate with certain packet size. We propose a scheme ... -
Secure Transmission of IoT mHealth Patient Monitoring Data from Remote Areas Using DTN
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)In remote rural areas without continuous Internet connectivity, it is hard to envisage the use of mHealth applications for remote patient monitoring. In such areas, patients need to travel long distances to reach the nearest ... -
The effect of additional statistical side information on multiple antenna spectrum sensing
(2012 , Conference)In this paper, we consider the problem of multiple antenna spectrum sensing in Cognitive Radios (CR) when some or all parameters are unknown. The Generalized Likelihood Ratio (GLR) test is the convectional method to solve ... -
Protocol design and stability analysis of cooperative cognitive radio users
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference)A single cognitive radio transmitter-receiver pair shares the spectrum with two primary users communicating with their respective receivers. Each primary user has a local traffic queue, whereas the cognitive user has three ... -
Spectrum-aggregating cognitive multi-antenna user with multiple primary users
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference)We investigate a cognitive radio scenario involving a single cognitive transmitter equipped with K antennas sharing the spectrum with M primary users (PUs) transmitting over orthogonal bands. Each terminal has a queue to ... -
A novel pandemic tracking map: From theory to implementation
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)The wide spread of the novel COVID-19 virus all over the world has caused major economical and social damages combined with the death of more than two million people so far around the globe. Therefore, the design of a model ... -
A Study of Multihop mmW Aerial Backhaul Links
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference)The main contribution of this paper is to analyze a long networked flying platform (NFP)-based millimeter wave (mmWave) backhaul link that is offered as a cost effective and easy to deploy solution to connect a disaster ... -
A Testbed for Implementing Lightweight Physical Layer Security in an IoT-based Health Monitoring System
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference)Telemedicine is a technique that allows patients to have health-related consultations without the need to be physically present in the hospital through phone and video calling technologies. In recent years, researchers ... -
Adaptive hierarchical cooperative communication using energy harvesting relay
(2013 , Conference)In this paper, we present an adaptive wireless communication system with energy harvesting relay where, two sources wish to send data to a destination via an energy harvesting relay that utilizes hierarchical constellation. ... -
A New Wearable ECG Monitor Evaluation and Experimental Analysis: Proof of Concept
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference)Electrocardiogram (ECG) is an electrical activity of the heart, which can be recorded by placing electrodes near heart or on the limbs. ECG is a vital body signal, which reflects the heart health condition. This paper ... -
A hybrid spectrum sensing technique with multiple antenna based on GLRT
(2013 , Conference)Spectrum sensing is the core for any cognitive radio network. Quick detection of the primary user signal allows for higher spectrum efficiency. In this paper, we introduce and implement a new hybrid spectrum sensing technique ...
