82 citations · 89 across the 4 of their papers we have counts for
5 papers
Downlink Power Allocation for CoMP-NOMA in Multi-Cell Networks
Md Shipon Ali, Ekram Hossain, Arafat Al-Dweik +1
This work considers the problem of dynamic power allocation in the downlink of multi-cell networks, where each cell utilizes non-orthogonal multiple access (NOMA)-based resource al…
Coordinated Multi-Point (CoMP) Transmission in Downlink Multi-cell NOMA Systems: Models and Spectral Efficiency Performance
Md Shipon Ali, Ekram Hossain, Dong In Kim
We outline a general framework to use coordinated multi-point (CoMP) transmission technology in downlink multi-cell non-orthogonal multiple access (NOMA) systems considering distri…
Non-Orthogonal Multiple Access (NOMA) in Cellular Uplink and Downlink: Challenges and Enabling Techniques
Hina Tabassum, Md Shipon Ali, Ekram Hossain +2
By combining the concepts of superposition coding at the transmitter(s) and successive interference cancellation (SIC) at the receiver(s), non-orthogonal multiple access (NOMA) has…
LTE/LTE-A Random Access for Massive Machine-Type Communications in Smart Cities
Md Shipon Ali, Ekram Hossain, Dong In Kim
Massive Machine-Type Communications (MTC) over cellular networks is expected to be an integral part of wireless "Smart City" applications. The Long Term Evolution (LTE)/LTE-Advance…
Dynamic User Clustering and Power Allocation for Uplink and Downlink Non-Orthogonal Multiple Access (NOMA) Systems
Md Shipon Ali, Hina Tabassum, Ekram Hossain
In this paper, first we briefly describe the differences in the working principles of uplink and downlink NOMA transmissions. Then, for both uplink and downlink NOMA, we formulate…