UMTS900 deployment with different call handling strategies. - Muhammad Usman Sheikh; Jukka Lempiäinen (ISWCS, 2009)

LTE performance with variable number of users per transmission time interval along with AMS. - Muhammad Usman Sheikh; Rafal Jagusz; Jukka Lempiäinen (ICUMT, 2011)

Impact of smart traffic handling scheme on downlink power of UMTS base station in multilayer network. - Muhammad Usman Sheikh; Jukka Lempiäinen (ICUMT, 2011)

Performance evaluation of Adaptive MIMO Switching in Long Term Evolution. - Muhammad Usman Sheikh; Rafal Jagusz; Jukka Lempiäinen (IWCMC, 2011)

Impact of smart traffic handling scheme on load balancing and interference margin in multilayer network with UMTS900. - Muhammad Usman Sheikh; Jukka Lempiäinen (IWCMC, 2011)

Assessment of smart traffic handling scheme in multimode multiband cellular network. - Muhammad Usman Sheikh; Jukka Lempiäinen (Wirel. Commun. Mob. Comput., 2011)

Analysis of LTE and DC-HSDPA performance with variable number of users per TTI in macro cellular network. - Muhammad Usman Sheikh; Jukka Lempiäinen (IWCMC, 2012)

Performance comparison of Dual-Cell HSDPA and Long Term Evolution in macro cellular network. - Muhammad Usman Sheikh; Jukka Lempiäinen (Sarnoff Symposium, 2012)

The novel concept of single path multiple access (SPMA) using new advanced antenna technology. - Muhammad Usman Sheikh; Jukka Lempiäinen (ISWPC, 2013)

Advanced Antenna Techniques and High Order Sectorization with Novel Network Tessellation for Enhancing Macro Cell Capacity in DC-HSDPA Network. - Muhammad Usman Sheikh; Jukka Lempiäinen (CoRR, 2013)

Performance analysis of dual-cell HSDPA plus MIMO and LTE along with adaptive MIMO switching at the cellular level. - Muhammad Usman Sheikh; Jukka Lempiäinen (Phys. Commun., 2013)

A Flower Tessellation for Simulation Purpose of Cellular Network with 12-Sector Sites. - Muhammad Usman Sheikh; Jukka Lempiäinen (IEEE Wirel. Commun. Lett., 2013)

Will New Antenna Materials Enable Single Path Multiple Access (SPMA)? - Muhammad Usman Sheikh; Jukka Lempiäinen (Wirel. Pers. Commun., 2014)

Aspects of capacity enhancement techniques in cellular networks. - Muhammad Usman Sheikh (2014)

Analysis of vertical and horizontal sectorization in suburban environment using 3D ray tracing. - Muhammad Usman Sheikh; Jukka Lempiäinen (ICT, 2016)

Migration to 28 GHz frequency with higher order sectorization in urban macro cellular environment. - Muhammad Usman Sheikh; Jukka Lempiäinen (ICT, 2016)

Evaluation of SPMA and higher order sectorization for homogeneous SIR through macro sites. - Muhammad Usman Sheikh; Joonas Säe; Jukka Lempiäinen (Wirel. Networks, 2016)

Angular wall loss model and Extended Building Penetration model for outdoor to indoor propagation. - Muhammad Usman Sheikh; Kimmo Hiltunen; Jukka Lempiäinen (IWCMC, 2017)

Analysis of multipath propagation for 5G system at higher frequencies in microcellular environment. - Muhammad Usman Sheikh; Jukka Lempiäinen (IWCMC, 2017)

Analysis of multipoint transmission at higher frequencies using 3-D ray tracing. - Muhammad Usman Sheikh; Jukka Lempiäinen (Int. J. Commun. Syst., 2017)

Impact of Non-Typical Antenna Configurations on Higher Order Sectored Sites in Ultra Dense Networks. - Muhammad Usman Sheikh; Jukka Lempiäinen (Int. J. Interdiscip. Telecommun. Netw., 2017)

In preparation towards future cellular networks: the detailed analysis of macro and micro site densification and sector densification. - Muhammad Usman Sheikh; Joonas Säe; Jukka Lempiäinen (Telecommun. Syst., 2017)

Arguments of Innovative Antenna Design and Centralized Macro Sites for 5G. - Muhammad Usman Sheikh; Joonas Säe; Jukka Lempiäinen (Wirel. Pers. Commun., 2017)

Performance Evaluation of Coordinated Multipoint Transmission at 28 GHz Frequency Using 3D Ray Tracing. - Muhammad Usman Sheikh; Ritayan Biswas; Jukka Lempiäinen (VTC Spring, 2018)

Impact of antenna radiation pattern variation on the performance of SPMA at 28 GHz. - Muhammad Usman Sheikh; Jukka Lempiäinen (Wirel. Networks, 2018)

Macro cellular network transition from traditional frequency range to 28 GHz millimeter wave frequency band. - Muhammad Usman Sheikh; Jukka Lempiäinen (Wirel. Networks, 2018)

Analysis of Indoor Solutions for Provision of Indoor Coverage at 3.5 GHz and 28 GHz for 5G System. - Muhammad Usman Sheikh; Fayezeh Ghavimi; Kalle Ruttik; Riku Jäntti (ICT, 2019)

Performance Analysis of Vertical and Higher Order Sectorization in Urban Environment at 28 GHz. - Muhammad Usman Sheikh; Kalle Ruttik; Riku Jäntti (ICT, 2019)

Validation of Backscatter Link Budget Simulations with Measurements at 915 MHz and 2.4 GHz. - Muhammad Usman Sheikh; Ruifeng Duan 001; Riku Jäntti (VTC Spring, 2019)

Drone Detection and Classification Using Cellular Network: A Machine Learning Approach. - Muhammad Usman Sheikh; Fayezeh Ghavimi; Kalle Ruttik; Riku Jäntti (VTC Fall, 2019)

DAS and UDN Solutions for Indoor Coverage at Millimeter Wave (mmWave) Frequencies. - Muhammad Usman Sheikh; Kalle Ruttik; Riku Jäntti (VTC Fall, 2019)

Link Budget Validation for Backscatter-Radio System in Sub-1GHz. - Behnam Badihi; Aleksi Liljemark; Muhammad Usman Sheikh; Jari Lietzén; Riku Jäntti (WCNC, 2019)

Performance Evaluation of Switched Beam Antenna with Different Configurations at 28 GHz. - Muhammad Usman Sheikh; Kalle Ruttik; Riku Jäntti (WCNC, 2019)

Usability Benefits and Challenges in mmWave V2V Communications: A Case Study. - Muhammad Usman Sheikh; Jyri Hämäläinen; G. David Gonzalez; Riku Jäntti; Osvaldo Gonsa (WiMob, 2019)

Measurements and Ray Tracing Simulations: Impact of Different Antenna Positions on Meeting Room Coverage at 60 GHz. - Muhammad Usman Sheikh; Kalle Ruttik; Riku Jäntti; Jyri Hämäläinen (EuCNC, 2020)

Channel Characterization and Validation of Ray Tracing Simulations with Measurements at 60 GHz in Office Environment. - Muhammad Usman Sheikh; Marwan El Hajj; Riku Jäntti; Jyri Hämäläinen; Gheorghe Zaharia; Ghaïs El Zein; Sawsan Sadek; Hanna Farhat (ICT, 2020)

Performance Comparison of Ray Tracing and 3GPP Street Canyon Model in Microcellular Environment. - Muhammad Usman Sheikh; Riku Jäntti; Jyri Hämäläinen (ICT, 2020)

Quality-aware trajectory planning of cellular connected UAVs. - Muhammad Usman Sheikh; Maria Riaz; Furqan Jameel; Riku Jäntti; Navuday Sharma; Vishal Sharma 001; Mamoun Alazab (DroneCom@MobiCom, 2020)

On Performance Evaluation of BLE 5 In Indoor Environment: An Experimental Study. - Behnam Badihi; Muhammad Usman Sheikh; Kalle Ruttik; Riku Jäntti (PIMRC, 2020)

Efficient Mode Selection for D2D Communication in Industrial IoT Networks. - Furqan Jameel; Muhammad Usman Sheikh; Riku Jäntti; Muhammad Ikram Ashraf; Johan Torsner (VTC Fall, 2020)

Impact of Interference Suppression under Ray Tracing and 3GPP Street Canyon Model. - Muhammad Usman Sheikh; Riku Jäntti; Jyri Hämäläinen (VTC Spring, 2020)

Monostatic Backscatter Communication in Urban Microcellular Environment Using Cellular Networks. - Muhammad Usman Sheikh; Furqan Jameel; Hüseyin Yigitler; Xiyu Wang; Riku Jäntti (WCNC, 2020)

Ambient Backscatter Communications for Future Ultra-Low-Power Machine Type Communications: Challenges, Solutions, Opportunities, and Future Research Trends. - Ruifeng Duan 001; Xiyu Wang; Hüseyin Yigitler; Muhammad Usman Sheikh; Riku Jäntti; Zhu Han 001 (IEEE Commun. Mag., 2020)

Rural Macrocell Path Loss Measurements for 5G Fixed Wireless Access at 26 GHz. - Norshahida Saba; Lauri Mela; Muhammad Usman Sheikh; Jari Salo; Kalle Ruttik; Riku Jäntti (5GWF, 2021)

Blockage and Ray Tracing Propagation Model in 3GPP Specified Industrial Environment. - Muhammad Usman Sheikh; Kalle Ruttik; Riku Jäntti; Jyri Hämäläinen (ICOIN, 2021)

Analysis of Drone Propagation With Ray Tracing From Sub-6 GHz Upto Terahertz Frequencies in a Real World Urban Environment. - Muhammad Usman Sheikh; Kalle Ruttik; Norshahida Saba; Edward Mutafungwa; Riku Jäntti; Jyri Hämäläinen (ICOIN, 2021)

Interference Analysis of Bi-static Backscatter Communication System: Two Backscatter Devices. - Ritayan Biswas; Muhammad Usman Sheikh; Hüseyin Yigitler; Jukka Lempiäinen; Riku Jäntti (RFID-TA, 2021)

Direct Path Interference Suppression Requirements for Bistatic Backscatter Communication System. - Ritayan Biswas; Muhammad Usman Sheikh; Hüseyin Yigitler; Jukka Lempiäinen; Riku Jäntti (VTC Spring, 2021)

Measurements at 5G Commercial 26 GHz Frequency with Above and on Rooftop Level Antenna Masts in Urban Environment. - Norshahida Saba; Lauri Mela; Muhammad Usman Sheikh; Kalle Ruttik; Jari Salo; Riku Jäntti (VTC Spring, 2021)

Distributed Antenna System in 3GPP Specified Industrial Environment. - Muhammad Usman Sheikh; Kalle Ruttik; Riku Jäntti; Jyri Hämäläinen (VTC Spring, 2021)

Measurement Based Study of Commercial 5G Frequencies in Urban Macro Cellular Environment. - Muhammad Usman Sheikh; Norshahida Saba; Lauri Mela; Jari Salo; Kalle Ruttik; Riku Jäntti (WiMob, 2021)

Outdoor to Indoor Path Loss Measurement at 1.8GHz, 3.5GHz, 6.5GHz, and 26GHz Commercial Frequency Bands. - Muhammad Usman Sheikh; Lauri Mela; Norshahida Saba; Kalle Ruttik; Riku Jäntti (WPMC, 2021)

A study about signal variation with minor receiver displacement in a meeting room at 60 GHz: measurements and simulations. - Muhammad Usman Sheikh; Kalle Ruttik; Riku Jäntti; Jyri Hämäläinen (EURASIP J. Wirel. Commun. Netw., 2021)

Ultra-Low-Power Wide Range Backscatter Communication Using Cellular Generated Carrier. - Muhammad Usman Sheikh; Boxuan Xie; Kalle Ruttik; Hüseyin Yigitler; Riku Jäntti; Jyri Hämäläinen (Sensors, 2021)

Adaptive Physical Layer Selection for Bluetooth 5: Measurements and Simulations. - Muhammad Usman Sheikh; Behnam Badihi; Kalle Ruttik; Riku Jäntti (Wirel. Commun. Mob. Comput., 2021)

Capacity Limitation of Small Cell Densification. - Muhammad Usman Sheikh; Jukka Lempiäinen; Riku Jäntti (ICOIN, 2022)

X-Haul Solutions for Different Functional Split Options Using THz and Sub-THz Bands. - Muhammad Usman Sheikh; Kalle Ruttik; Edward Mutafungwa; Riku Jäntti; Jyri Hämäläinen; Eduardo Yusta Padilla (MobiWac, 2022)

Power Angular Measurements and Ray Tracing Simulations at Sub-THz Frequencies in Corridor. - Muhammad Usman Sheikh; Muhsin Ali; Guillermo Carpintero; Kalle Ruttik; Edward Mutafangwa; Riku Jäntti (WCNC, 2022)

Arguments for One Radio Access Network (OneRAN) mobile infrastructure. - Muhammad Usman Sheikh; Jukka Lempiäinen; Riku Jäntti (Telecommun. Syst., 2022)

Channel Characterization at Sub-THz Band with Measurements and Ray Tracing in Indoor Case. - Muhammad Usman Sheikh; Muhsin Ali; Guillermo Carpintero; Kalle Ruttik; Edward Mutafangwa; Riku Jäntti (ICOIN, 2023)

Measurement of Coded Backscatter Communication Utilizing Commercial LTE Ambient Signal. - Jingyi Liao; Kalle Ruttik; Riku Jäntti; Muhammad Usman Sheikh; Dinh-Thuy Phan-Huy (6GNet, 2024)

Polarization adaptation to improve cell border area bitrates and system capacity in small cells. - Jukka Lempiäinen; Muhammad Usman Sheikh; Ari Asp; Riku Jäntti (Wirel. Networks, 2024)

Intelligent Process Automation Using Artificial Intelligence to Create Human Assistant. - Syed Muhammad Hassan Zaidi; Rizwan Iqbal; Ayman Alharbi; Habib Hussain Zuberi; Adnan Ahmed; Muhammad Usman Sheikh (Int. J. Softw. Sci. Comput. Intell., 2025)