197 citations · 568 across the 31 of their papers we have counts for
34 papers
Optimal Resource Allocation for Cellular Networks with MATLAB Instructions
Ahmed Abdelhadi, Haya Shajaiah
This report presents a more detailed description of the algorithm and simulations published in papers [1, 2]. It includes a step by step description of the algorithm and included t…
A Delay-Optimal Packet Scheduler for M2M Uplink
Akshay Kumar, Ahmed Abdelhadi, Charles Clancy
In this paper, we present a delay-optimal packet scheduler for processing the M2M uplink traffic at the M2M application server (AS). Due to the delay-heterogeneity in uplink traffi…
A Delay Optimal MAC and Packet Scheduler for Heterogeneous M2M Uplink
Akshay Kumar, Ahmed Abdelhadi, Charles Clancy
The uplink data arriving at the Machine-to-Machine (M2M) Application Server (AS) via M2M Aggregators (MAs) is fairly heterogeneous along several dimensions such as maximum tolerabl…
An Online Delay Efficient Packet Scheduler for M2M Traffic in Industrial Automation
Akshay Kumar, Ahmed Abdelhadi, Charles Clancy
Some Machine-to-Machine (M2M) communication links particularly those in a industrial automation plant have stringent latency requirements. In this paper, we study the delay-perform…
A Delay Efficient Multiclass Packet Scheduler for Heterogeneous M2M Uplink
Akshay Kumar, Ahmed Abdelhadi, Charles Clancy
The sensory traffic in Machine-to-Machine (M2M) communications has fairly heterogeneous service delay requirements. Therefore, we study the delay-performance of a heterogeneous M2M…
Application-Aware Resource Block and Power Allocation for LTE
Tugba Erpek, Ahmed Abdelhadi, T. Charles Clancy
In this paper, we implement an application-aware scheduler that differentiates users running real-time applications and delay-tolerant applications while allocating resources. This…
Position Estimation of Robotic Mobile Nodes in Wireless Testbed using GENI
Ahmed Abdelhadi, Felipe Rechia, Arvind Narayanan +5
We present a low complexity experimental RF-based indoor localization system based on the collection and processing of WiFi RSSI signals and processing using a RSS-based multi-late…
An Application-Aware Spectrum Sharing Approach for Commercial Use of 3.5 GHz Spectrum
Haya Shajaiah, Ahmed Abdelhadi, Charles Clancy
In this paper, we introduce an application-aware spectrum sharing approach for sharing the Federal under-utilized 3.5 GHz spectrum with commercial users. In our model, users are ru…
Towards an Application-Aware Resource Scheduling with Carrier Aggregation in Cellular Systems
Haya Shajaiah, Ahmed Abdelhadi, T. Charles Clancy
In this paper, we introduce an application-aware approach for resource block scheduling with carrier aggregation in Long Term Evolution Advanced (LTE-Advanced) cellular networks. I…
Resource Allocation in Cellular Systems for Applications with Random Parameters
Zaid Kbah, Ahmed Abdelhadi
In this paper, we conduct a study to optimize resource allocation for adaptive real-time and delay-tolerant applications in cellular systems. To represent the user applications via…
A QoS-based Power Allocation for Cellular Users with Different Modulations
Ying Wang, Ahmed Abdelhadi
In this paper, we propose a novel optimal power allocation method that features a power limit function and is able to ensure more users reach the desired Quality-of-Service (QoS).…
Network MIMO with Partial Cooperation between Radar and Cellular Systems
Ahmed Abdelhadi, T. Charles Clancy
To meet the growing spectrum demands, future cellular systems are expected to share the spectrum of other services such as radar. In this paper, we consider a network multiple-inpu…
An Optimal Resource Allocation with Frequency Reuse in Cellular Networks
Ahmed Abdelhadi, T. Charles Clancy
In this paper, we introduce a novel approach for optimal resource allocation with frequency reuse for users with elastic and inelastic traffic in cellular networks. In our model, w…
Coexistence Analysis between Radar and Cellular System in LoS Channel
Awais Khawar, Ahmed Abdelhadi, T. Charles Clancy
Sharing spectrum with incumbents such as radar systems is an attractive solution for cellular operators in order to meet the ever growing bandwidth requirements and ease the spectr…
An Efficient Multi-Carrier Resource Allocation with User Discrimination Framework for 5G Wireless Systems
Haya Shajaiah, Ahmed Abdelhadi, Charles Clancy
In this paper, we present an efficient resource allocation with user discrimination framework for 5G Wireless Systems to allocate multiple carriers resources among users with elast…
Channel Modeling between Seaborne MIMO Radar and MIMO Cellular System
Awais Khawar, Ahmed Abdelhadi, T. Charles Clancy
Spectrum sharing between radars and cellular systems is an emerging area of research. In this paper, we model channel between a seaborne MIMO radar and MIMO cellular system. We mod…
Radar Precoder Design for Spectral Coexistence with Coordinated Multi-point (CoMP) System
Jasmin A. Mahal, Awais Khawar, Ahmed Abdelhadi +1
This paper details the design of precoders for a MIMO radar spectrally coexistent with a MIMO cellular network. We focus on a coordinated multi-point (CoMP) system where a cluster…
A Multi-Tier Wireless Spectrum Sharing System Leveraging Secure Spectrum Auctions
Ahmed Abdelhadi, Haya Shajaiah, Charles Clancy
Secure spectrum auctions can revolutionize the spectrum utilization of cellular networks and satisfy the ever increasing demand for resources. In this paper, a multi-tier dynamic s…
Overlapped-MIMO Radar Waveform Design for Coexistence With Communication Systems
Chowdhury Shahriar, Ahmed Abdelhadi, T. Charles Clancy
This paper explores an overlapped-multiple-input multiple-output (MIMO) antenna architecture and a spectrum sharing algorithm via null space projection (NSP) for radar-communicatio…
Optimal Radio Resource Allocation for Hybrid Traffic in Cellular Networks: Traffic Analysis and Implementation
Ahmed Abdelhadi, Mo Ghorbanzadeh, Charles Clancy
In part I of this paper, a distributed and a centralized architecture for an optimal radio resource allocation aware of the traffic delay-tolerance nature, user subscription type,…
Optimal Radio Resource Allocation for Hybrid Traffic in Cellular Networks: Centralized and Distributed Architecture
Ahmed Abdelhadi, Mo Ghorbanzadeh, Charles Clancy
Optimal resource allocation is of paramount importance in utilizing the scarce radio spectrum efficiently and provisioning quality of service for miscellaneous user applications, g…
Impact of Radar and Communication Coexistence on Radar's Detectable Target Parameters
Haya Shajaiah, Ahmed Abdelhadi, Charles Clancy
In this paper, we present our spectrum sharing algorithm between a multi-input multi-output (MIMO) radar and Long Term Evolution (LTE) cellular system with multiple base stations (…
A Price Selective Centralized Algorithm for Resource Allocation with Carrier Aggregation in LTE Cellular Networks
Haya Shajaiah, Ahmed Abdelhadi, Charles Clancy
In this paper, we consider a resource allocation with carrier aggregation optimization problem in long term evolution (LTE) cellular networks. In our proposed model, users are runn…
Target Detection Performance of Spectrum Sharing MIMO Radars
Awais Khawar, Ahmed Abdelhadi, T. Charles Clancy
Future wireless communication systems are envisioned to share radio frequency (RF) spectrum, with other services such as radars, in order to meet the growing spectrum demands. In t…