Hidden Markov model based drone sound recognition using MFCC technique in practical noisy environments

L Shi, I Ahmad, YJ He, KH Chang - Journal of Communications …, 2018 - ieeexplore.ieee.org
The development of drones has captured the attention of hobbyists and investors alike;
drones now have greater commercial and military applications owing to their relatively small …

3D optimal surveillance trajectory planning for multiple UAVs by using particle swarm optimization with surveillance area priority

H Teng, I Ahmad, A Msm, K Chang - IEEE Access, 2020 - ieeexplore.ieee.org
The use of the unmanned aerial vehicle (UAV) has been regarded as a promising technique
in both military and civilian applications. However, due to the lack of relevant laws and …

Optimizing Cell Association and Stability in Integrated Aerial-to-Ground Next-Generation Consumer Wireless Networks

I Ahmad, R Narmeen, UA Mughal… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Unmanned aerial vehicles (UAVs) offer advantages in serving as aerial small cells (ASCs) to
support public safety terrestrial cells (PSTCs) while providing pervasive coverage during …

[HTML][HTML] Cooperative resource management for C-V2I communications in a dense urban environment

UA Mughal, J Xiao, I Ahmad, KH Chang - Vehicular Communications, 2020 - Elsevier
Cellular-based vehicle-to-everything (C-V2X) is one of the emerging and promising
techniques to support vehicular communications by enabling both safety-critical and non …

Adaptive handover algorithm for LTE-R system in high-speed railway scenario

Y Chen, K Niu, Z Wang - IEEE Access, 2021 - ieeexplore.ieee.org
With the rapid development of high-speed railway, the LTE-R communication system has
more requirements for the handover success rate. An adaptive handover algorithm based on …

Classification, positioning, and tracking of drones by HMM using acoustic circular microphone array beamforming

J Guo, I Ahmad, KH Chang - EURASIP Journal on Wireless …, 2020 - Springer
This paper addresses issues with monitoring systems that identify and track illegal drones.
The development of drone technologies promotes the widespread commercial application of …

Public safety network design for broadband wireless access

AS Sümer, T Yılmaz, E Memisoglu, A Akkurt… - … in Communications and …, 2023 - frontiersin.org
Public protection and disaster relief (PPDR) agencies rely on wireless communications to
respond in the event of emergencies. Public safety networks (PSNs) provide the wireless …

LTE-railway user priority-based cooperative resource allocation schemes for coexisting public safety and railway networks

I Ahmad, W Chen, K Chang - IEEE Access, 2017 - ieeexplore.ieee.org
This paper addresses the issues of resource allocation and co-channel interference
management for coexistence of, and cooperation between, two long term evolution (LTE) …

SVM-based drone sound recognition using the combination of HLA and WPT techniques in practical noisy environment

Y He, I Ahmad, L Shi, KH Chang - KSII Transactions on Internet and …, 2019 - koreascience.kr
In recent years, the development of drone technologies has promoted the widespread
commercial application of drones. However, the ability of drone to carry explosives and other …

Quality-of-service aware game theory-based uplink power control for 5G heterogeneous networks

I Ahmad, Z Kaleem, R Narmeen, LD Nguyen… - Mobile Networks and …, 2019 - Springer
Abstract The fifth-generation (5G) mobile communication system is expecting to support
users with diverse data rate requirements by densely deploying small cells. The users …