Rizwan Ghaffar

37 papers B 12Journal 10Unranked 15
YearRankTypeTitle / Venue / Authors
2025 — conf
An Energy-Efficient Ambient Backscattered-Assisted NOMA System for Joint D2D and Cellular IoT Networks.
CAMAD
Muhammad Waseem Akhtar, Musa Ghaffar, Rizwan Ghaffar, Nasir Saeed, Mikael Gidlund
2020 J jnl
The shift to 6G communications: vision and requirements.
Hum. centric Comput. Inf. Sci.
Muhammad Waseem Akhtar, Syed Ali Hassan, Rizwan Ghaffar, Haejoon Jung, Sahil Garg, M. Shamim Hossain
2016 J jnl
A Q Learning and Fuzzy Q Learning Approach for Optimization of Interference Constellations in Femto-Macro Cellular Architecture in Downlink.
Wirel. Pers. Commun.
Muhammad Waseem Akhtar, Rizwan Ghaffar, Imran Rashid
2015 J jnl
Duality Between the Improved Rate Regions of Gaussian Multiple Access and Broadcast Channel for Discrete Constellations.
Wirel. Pers. Commun.
Iram Abdur Rehman, Rizwan Ghaffar, Saad B. Qaisar
2015 J jnl
Low Complexity BICM MIMO OFDM Demodulator.
IEEE Trans. Wirel. Commun.
Rizwan Ghaffar, Raymond Knopp, Pin-Han Ho
2014 — conf
Effect of discrete constellations on duality between the Gaussian Multiple Access and the Gaussian Broadcast Channel.
WTS
Iram Abdur Rehman, Rizwan Ghaffar, Saad B. Qaisar, Imran Rashid
2013 — conf
Channel state dependent adaptive spatial spectrum sensing algorithm for cognitive radios.
CCNC
Muhammad Shahid Iqbal, Abdul Ghafoor, Sajjad Hussain, Rizwan Ghaffar
2013 — conf
Cross-tier interference mitigation in Femto-macro cellular architecture in downlink.
ICC
Rizwan Ghaffar, Pin-Han Ho
2013 J jnl
On Managing Interferences under Heterogeneous CSIT Feedback for Multi-User Transmission.
IEEE Trans. Wirel. Commun.
Rizwan Ghaffar, Umer Salim, Pin-Han Ho, Hong Wen
2013 B conf
On the performance of interference-aware receiver in the presence of channel estimation error.
GLOBECOM
Rizwan Ghaffar, Pin-Han Ho, Anand Srinivasan, Khalim Amjad Meerja
2012 — conf
Femtocell networks: Breaking the complexity of centralized processing with novel dual-stage receivers.
WCNC Workshops
Rizwan Ghaffar, Pin-Han Ho, Umer Salim, Bin Wu
2012 B conf
Heterogeneous broadcast channel: Spatial diversity or advanced receiver design.
GLOBECOM
Rizwan Ghaffar, Pin-Han Ho, Bin Wu
2012 J jnl
Interference Suppression Strategy for Cell-Edge Users in the Downlink.
IEEE Trans. Wirel. Commun.
Rizwan Ghaffar, Raymond Knopp
2012 — conf
LTE-Advanced Multi-User MIMO: Improved Feedback and Precoding Design.
VTC Fall
Rizwan Ghaffar
2012 — conf
Near ML treatment of n interferers with linear complexity.
SPAWC
Rizwan Ghaffar, Umer Salim, Pin-Han Ho
2012 — conf
Transmission of Discrete Constellations under Strong Interference.
VTC Spring
Dimitris Toumpakaris, Jungwon Lee, Rizwan Ghaffar
2011 J jnl
Achievable rates for transmission of discrete constellations over the Gaussian MAC channe
CoRR
Rizwan Ghaffar, Dimitris Toumpakaris, Jungwon Lee
2011 J jnl
Interference-aware receiver structure for multi-user MIMO and LTE.
EURASIP J. Wirel. Commun. Netw.
Rizwan Ghaffar, Raymond Knopp
2011 J jnl
MU-MIMO in LTE Systems.
EURASIP J. Wirel. Commun. Netw.
Jonathan Duplicy, Biljana Badic, RajaRajan Balraj, Rizwan Ghaffar, Péter Horváth, Florian Kaltenberger, Raymond Knopp, István Z. Kovács, Hung Tuan Nguyen, Deepaknath Tandur, Guillaume Vivier
2011 — conf
Mixed CSIT DL Channel: Gains with Interference Aware Receivers.
EW
Rizwan Ghaffar, Umer Salim, Irfan Ghauri, Raymond Knopp
2011 B conf
Performance of LTE in rural areas - Benefits of opportunistic multi-user MIMO.
PIMRC
Imran Latif, Florian Kaltenberger, Rizwan Ghaffar, Raymond Knopp, Dominique Nussbaum, H. Callewaert, Gaël Scot
2010 J jnl
Design and Implementation of a Single-Frequency Mesh Network Using OpenAirInterface.
EURASIP J. Wirel. Commun. Netw.
Florian Kaltenberger, Rizwan Ghaffar, Raymond Knopp, Hicham Anouar, Christian Bonnet
2010 B conf
Diversity Analysis of Equal Gain Transmission for Singleuser and Multiuser MIMO.
GLOBECOM
Rizwan Ghaffar, Raymond Knopp
2010 B conf
Fractional frequency reuse and interference suppression for OFDMA networks.
WiOpt
Rizwan Ghaffar, Raymond Knopp
2010 B conf
Impact of Imperfections on Detectors for Interference Suppression.
WCNC
Rizwan Ghaffar, Raymond Knopp
2010 — conf
Low Complexity Metrics for BICM SISO and MIMO Systems.
VTC Spring
Rizwan Ghaffar, Raymond Knopp
2010 B conf
Making multiuser MIMO work for LTE.
PIMRC
Rizwan Ghaffar, Raymond Knopp
2010 — conf
Near Optimal Linear Precoder for Multiuser MIMO for Discrete Alphabets.
ICC
Rizwan Ghaffar, Raymond Knopp
2010 — conf
Performance analysis of low complexity soft detection for BICM MIMO system.
ISWCS
Rizwan Ghaffar, Raymond Knopp
2009 B conf
Analysis of Low Complexity Max Log MAP Detector and MMSE Detector for Interference Suppression in Correlated Fading.
GLOBECOM
Rizwan Ghaffar, Raymond Knopp
2009 B conf
Channel capacity for linearly precoded multiuser MIMO for discrete constellations.
PIMRC
Rizwan Ghaffar, Raymond Knopp
2009 — conf
Interference Suppression for Next Generation Wireless Systems.
VTC Spring
Rizwan Ghaffar, Raymond Knopp
2009 B conf
Low-complexity distributed MIMO receiver and its implementation on the OpenAirInterface platform.
PIMRC
Florian Kaltenberger, Rizwan Ghaffar, Raymond Knopp
2009 — conf
Spatial Interference Cancellation and Pairwise Error Probability Analysis.
ICC
Rizwan Ghaffar, Raymond Knopp
2009 B conf
Spatial interference cancellation algorithm.
WCNC
Rizwan Ghaffar, Raymond Knopp
2008 B conf
Dual stream low complexity BICM reception and MIMO broadcast strategy.
PIMRC
Rizwan Ghaffar, Raymond Knopp
2004 — conf
Depth Extraction System Using Stereo Pairs.
ICIAR (2)
Rizwan Ghaffar, Noman Jafri, Shoab Ahmed Khan