College of Engineering: المرسلات الحديثة
السجلات المعروضة 2161 -- 2180 من 8384
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On the detection and estimation of correlated signal using circular antenna arrays
( IEEE , 2011 , Conference Paper)This paper presents the design and analysis of smart antenna systems used for the detection and estimation of correlated radio signals encountered in multipath environments using circular antenna arrays. The MUSIC algorithm ... -
Secure AF Relaying in Power-Constrained UAV Networks
( IEEE , 2021 , Conference Paper)This paper proposes a secure amplify-and-forward (AF) relaying scheme in unmanned aerial vehicle (UAV) networks while accounting for the power consumption limitations of UAVs. Since a UAV's battery life is limited, we ... -
Digital baseband compensation of frequency-dependent joint TX/RX I/Q imbalance in beamforming MIMO OFDM transceivers
( IEEE , 2012 , Conference Paper)In this paper, we investigate the effects of asymmetric frequency-dependent joint transmit-receive I/Q imbalance on the performance of beamforming MIMO-OFDM systems. We derive the throughput-maximizing transmit/receive ... -
Advanced packet scheduling for efficient video support with limited channel feedback on MIMO LTE downlink
( IEEE , 2011 , Conference Paper)Next-generation mobile networks will provide users with high data rates, increased mobility and various services. The initial step made in LTE and LTE-A is adopting the OFDM(A) air interface and utilization of dynamic ... -
Effect of high-velocity scenarios on the performance of MIMO LTE packet scheduling
( IEEE , 2011 , Conference Paper)In this paper we analyze the performance of advanced OFDM packet scheduling techniques based on 3GPP UTRAN Long Term Evolution (LTE) framework for high velocity scenarios. Based on our previous investigations in system ... -
Estimation of highly selective channels for downlink LTE system by a robust neural network
( IEEE , 2010 , Conference Paper)In this paper we propose a robust channel estimator for Long Term Evolution (LTE) downlink highly selective using neural network. This method uses the information provided by the reference signals to estimate the total ... -
I/Q imbalance in multiple beamforming {OFDM} transceivers: SINR analysis and digital baseband compensation
( IEEE , 2013 , Article)In this paper, we start by investigating the impact of joint transmit-receive I/Q imbalance on the performance of direct-conversion beamforming OFDM transceivers. We derive a new analytical expression for the average ... -
Modelling and compensation of frequency-dependent I/Q imbalance in multiple beamforming OFDM transceivers
( IEEE , 2012 , Conference Paper)In this paper, we investigate the effects of asymmetric frequency-dependent joint transmit-receive I/Q imbalance on the performance of multiple beamforming MIMO OFDM systems. We derive the throughput-maximizing TX/RX ... -
Enhanced Alamouti decoding scheme for DVB-T2 systems in SFN channels
( IEEE , 2011 , Conference Paper)The standard Alamouti space-frequency block code (SFBC) suffers from performance degradation when used over highly frequency-selective channels because the channel frequency response is not necessarily flat over the Alamouti ... -
Cloud-Ready Biometric System for Mobile Security Access
( Springer , 2012 , Conference Paper)In this contribution, we introduce an application that allows a mobile phone to be used as a biometric-capture device for secure access to the cloud. In this application, the biometric capture and recognition are performed ... -
A USRP-based experimental testbed for OFDM systems impaired by I/Q imbalance
( IEEE , 2013 , Conference Paper)In this paper, an experimental testbed for packet based OFDM systems is proposed using USRP RF front-ends. I/Q imbalance estimation and compensation algorithms are implemented at the receiver by manually injecting I/Q ... -
Cloud-based mobile system for biometrics authentication
( IEEE , 2013 , Conference Paper)This paper introduces a new framework to perform handwritten password authentication as an Internet service based on the cloud computing technology. Using the proposed cloud-based authentication platform, we would be able ... -
SINR analysis for beamforming OFDM systems under joint transmit-receive I/Q imbalance
( IEEE , 2012 , Conference Paper)In this paper, we derive an analytical expression for the subcarrier average SINR of a beamforming OFDM system in the presence of joint transmit-receive I/Q imbalance. The derived expression quantifies the impact of the ... -
Federated Learning in NOMA Networks: Convergence, Energy and Fairness-Based Design
( IEEE , 2022 , Conference Paper)Federated Learning (FL) is a collaborative machine learning (ML) approach, where different nodes in a network contribute to learning the model parameters. In addition, FL provides several attractive features such as data ... -
Joint learning and optimization for Federated Learning in NOMA-based networks
( Elsevier , 2023 , Article)Over the past decade, the usage of machine learning (ML) techniques have increased substantially in different applications. Federated Learning (FL) refers to collaborative techniques that avoid the exchange of raw data ... -
Federated Learning for UAV Swarms under Class Imbalance and Power Consumption Constraints
( IEEE , 2021 , Conference Paper)The usage of unmanned aerial vehicles (UAVs) in civil and military applications continues to increase due to the numerous advantages that they provide over conventional approaches. Despite the abundance of such advantages, ... -
I/Q imbalance and loop-back self interference effects in full-duplex OFDM DF relays
( IEEE , 2015 , Conference Paper)We analyze the outage probability of dual-hop full-duplex decode-and-forward relaying for an orthogonal frequency division multiplexing system in the presence of I/Q imbalance. We derive accurate analytical approximations ... -
On I/Q imbalance effects in full-duplex OFDM decode-and-forward relays
( IEEE , 2014 , Conference Paper)We analyze the outage probability of dual-hop full-duplex decode-and-forward relaying for an orthogonal frequency division multiplexing system in the presence of I/Q imbalance. We derive accurate analytical approximations ... -
Distributed Inference in Resource-Constrained IoT for Real-Time Video Surveillance
( IEEE , 2023 , Article)Advances in communication technologies and computational capabilities of Internet of Things (IoT) devices enable a range of complex applications that require ever increasing processing of sensors' data. An illustrative ... -
Revisiting crowd counting: State-of-the-art, trends, and future perspectives
( Elsevier , 2023 , Article Review)Crowd counting is an effective tool for situational awareness in public places. Automated crowd counting using images and videos is an interesting yet challenging problem that has gained significant attention in computer ...