A 10-Ports MIMO Antenna System for 5G Smart-Phone Applications. - Rizwan Ullah; Sadiq Ullah; Raza Ullah; Faisal Farooq; Ismail Ben Mabrouk; Muath Al-Hasan (IEEE Access, 2020)

A novel multi-band and multi-generation (2G, 3G, 4G, and 5G) 9-elements MIMO antenna system for 5G smartphone applications. - Rizwan Ullah; Sadiq Ullah; Faisal Farooq; Raza Ullah; Ismail Ben Mabrouk; Muath Al-Hasan; Babar Kamal (Wirel. Networks, 2021)

Wideband and High Gain Array Antenna for 5G Smart Phone Applications Using Frequency Selective Surface. - Raza Ullah; Sadiq Ullah; Rizwan Ullah; Iftikhar Ud Din; Babar Kamal; Muhammad Altaf Hussain Khan; Ladislau Matekovits (IEEE Access, 2022)

Metamaterial-based highly isolated MIMO antenna system for 5G smartphone application. - Iftikhar Ud Din; Sadiq Ullah; Naveed Mufti; Rizwan Ullah; Babar Kamal; Raza Ullah (Int. J. Commun. Syst., 2023)

Exploring the impact of crowdfunding and collaborations on firm survival through crisis management in the context of Pakistan. - Amin ur Rahman; Fenghua Wen; Fiza Amjad; Raza Ullah (Technol. Anal. Strateg. Manag., 2025)