Protecting the primary users' operational privacy in spectrum sharing. - Behnam Bahrak; Sudeep Bhattarai; Abid Ullah; Jung-Min "Jerry" Park; Jeffrey H. Reed; David Gurney (DySPAN, 2014)

Practical Issues for Spectrum Management With Cognitive Radios. - Stephen M. Dudley; William C. Headley; Marc Lichtman; Eyosias Yoseph Imana; Xiaofu Ma; Mahi Abdelbar; Aditya V. Padaki; Abid Ullah; Munawwar M. Sohul; Taeyoung Yang; Jeffrey H. Reed (Proc. IEEE, 2014)

Defining incumbent protection zones on the fly: Dynamic boundaries for spectrum sharing. - Sudeep Bhattarai; Abid Ullah; Jung-Min "Jerry" Park; Jeffrey H. Reed; David Gurney; Bo Gao (DySPAN, 2015)

Multi-tier exclusion zones for dynamic spectrum sharing. - Abid Ullah; Sudeep Bhattarai; Jung-Min Park 001; Jeffrey H. Reed; David Gurney; Behnam Bahrak (ICC, 2015)

Mechanisms for Enhancing Spectrum Utilization in a Spectrum Access System. - Abid Ullah (2017)

A Review of Degradation and Reliability Analysis of a Solar PV Module. - Zafar Ullah Khan; Adnan Daud Khan; Khalid Khan; Soliman Abdul Karim Al Khatib; Shahbaz Khan 010; Muhammad Qasim Khan; Abid Ullah (IEEE Access, 2024)