SPAWC21 has been moved to a virtual, on-demand conference and is hosting 7 regular sessions focusing on topics in signal processing for wireless communications. The list of pre-recorded presentations for on-demand viewing is given below.
All the pre-recorded presentations will be available on the virtual conference platform starting from Sep. 27, 2021 until Dec. 31, 2021.
S1 – Machine Learning for MIMO Communications
Chair: Stephan ten Brink (University of Stuttgart, Germany)
- A Low-Complexity MIMO Channel Estimator with Implicit Structure of a Convolutional Neural Network
Benedikt Fesl, Nurettin Turan, Michael Koller and Wolfgang Utschick (Technische Universität München, Germany) - Learning the CSI Denoising and Feedback Without Supervision
Valentina Rizzello and Wolfgang Utschick (Technische Universität München, Germany) - Learning Enhanced Beamforming Vector From CQIs in 5G NR FDD Massive MIMO Systems: A Tuning-free Approach
Kai Li (The Chinese University of Hongkong, Shenzhen, China); Ying Li (The Chinese University of Hong Kong, Shenzhen, China); Lei Cheng (Shenzhen Research Institute of Big Data, Chinese University of Hong Kong (Shenzhen), Hong Kong); Qingjiang Shi (Tongji University, China); Zhi-Quan Luo (University of Minnesota, USA) - Digital Twin-Aided Learning to Enable Robust Beamforming: Limited Feedback Meets Deep Generative Models
Ying Li (The Chinese University of Hong Kong, Shenzhen, China); Kai Li (The Chinese University of Hongkong, Shenzhen, China); Lei Cheng (Shenzhen Research Institute of Big Data, Chinese University of Hong Kong (Shenzhen), Hong Kong); Qingjiang Shi (Tongji University, China); Zhi-Quan Luo (University of Minnesota, USA) - HyperRNN: Deep Learning-Aided Downlink CSI Acquisition via Partial Channel Reciprocity for FDD Massive MIMO
Yusha Liu and Osvaldo Simeone (King’s College London, United Kingdom (Great Britain)) - Adaptive Beam Tracking based on Recurrent Neural Networks for mmWave Channels
Saeid Khalili Dehkordi (TU Berlin, Germany); Giuseppe Caire (Technische Universität Berlin, Germany); Mari Kobayashi (CentraleSupelec, France)
S2 – Signal Processing for MIMO Communications
Chair: Stefano Buzzi (University of Cassino and Lazio Meridionale/CNIT, Italy)
- Optimal Downlink Training Sequence for Massive MIMO Secret-Key Generation
François Rottenberg (KU Leuven, Belgium) - Multi-Vehicular Beam Space Learning for Channel Estimation in 6G V2X Systems
Dario Tagliaferri (Politecnico di Milano, Italy); Marouan Mizmizi (Politecnico di Milano & None, Italy); Damiano Badini (Huawei Technologies Italia, Italy); Christian Mazzucco (Huawei Technologies, European Research Center, Italy); Umberto Spagnolini (Politecnico di Milano, Italy) - Antenna Efficiency in Massive MIMO Detection
Ruichen Jiang (The University of Texas at Austin, USA); Ya-Feng Liu (Chinese Academy of Sciences, China) - Radio-Frequency Multi-Mode OAM Detection Based on UCA Samples Learning
Jiabei Fan, Rui Chen and Wenxuan Long (Xidian University, China); Marco Moretti (Università di Pisa, Italy); Jiandong Li (Xidian University, China) - Optimal Receive Beamforming for Over-the-Air Computation
Wenzhi Fang, Yinan Zou, Hongbin Zhu, Yuanming Shi and Yong Zhou (ShanghaiTech University, China) - Enhanced Signal Detection for 1-Bit ADC Massive SIMO Communications
Doaa Abdelhameed (Aswan University, Japan & Tokyo University of Agriculture and Technology, Japan); Kenta Umebayashi (Tokyo University of Agriculture and Technology, Japan); Ahmed Al-Tahmeesschi (University of Helsinki, Finland); Italo Atzeni and Antti Tölli (University of Oulu, Finland)
S3 – Beamforming and interference mitigation
Chair: Antonio Alberto D’Amico (University of Pisa, Italy)
- Symbol-Level Precoding Made Practical for Multi-Level Modulations via Block-Level Rescaling
Ang Li (Xi’an Jiaotong University, China); Fan Liu (Southern University of Science and Technology, China); Xuewen Liao (Xi’an Jiaotong University, China); Yuanjun Shen and Christos Masouros (University College London, United Kingdom (Great Britain)) - Spatial Distribution of Distortion due to Nonlinear Power Amplification in Distributed Massive MIMO
François Rottenberg and Gilles Callebaut (KU Leuven, Belgium); Liesbet Van der Perre (KUL, Belgium) - Optimal Joint Beamforming and Power Control in Cell-Free Massive MIMO Downlink
Mohamed Elwekeil (University of Cassino and Southern Lazio, Italy & Faculty of Electronic Engineering, Menoufia University, Egypt); Alessio Zappone (University of Cassino and Southern Lazio, Italy); Stefano Buzzi (University of Cassino and Lazio Meridionale/CNIT, Italy) - Memory Tricks: Improving Active Interference Cancellation for Out-of-Band power reduction in OFDM
Khawar Hussain and Roberto López-Valcarce (Universidad de Vigo, Spain) - Fast Algorithm for Joint Unicast and Multicast Beamforming in Large-Scale Systems
Shadi Mohammadi and Min Dong (Ontario Tech University, Canada); Shahram ShahbazPanahi (University of Ontario Institute of Technology, Canada) - Adaptive Estimation of Angular Power Spectra for Time-Varying MIMO Channels
Navneet Agrawal (Technische Universität Berlin, Germany); Renato L. G. Cavalcante (Fraunhofer Heinrich Hertz Institute, Germany); Slawomir Stanczak (Technische Universität Berlin & Fraunhofer Heinrich Hertz Institute, Germany)
S4 – Relaying and reconfigurable intelligent surfaces
Chair: Özlem Tuğfe Demir (KTH Royal Institute of Technology, Sweden)
- Machine Learning-based Reconfigurable Intelligent Surface-aided MIMO Systems
Nhan Thanh Nguyen (University of Oulu, Finland); Ly V. Nguyen (San Diego State University, USA); Thien Huynh-The (Kumoh National Institute of Technology, Korea (South)); Duy H. N. Nguyen (San Diego State University, USA); Lee Swindlehurst (University of California at Irvine, USA); Markku Juntti (University of Oulu, Finland) - Weighted Sum-Rate Maximization for Multi-Hop RIS-Aided Multi-User Communications: A Minorization-Maximization Approach
Zepeng Zhang and Ziping Zhao (ShanghaiTech University, China) - End-to-End Learning-based Two-Way AF Relay Networks with I/Q Imbalance
Ankit Gupta (Heriot Watt University, United Kingdom (Great Britain)); Mathini Sellathurai (Heriot-Watt University, United Kingdom (Great Britain)) - Interference-Constrained IRS-aided SWIPT
Konstantinos Ntougias and Ioannis Krikidis (University of Cyprus, Cyprus) - On the Impact of Beam Misalignment in Reconfigurable Intelligent Surface Assisted THz Systems
Evangelos N. Papasotiriou, Alexandros-Apostolos A Boulogeorgos and Angeliki Alexiou (University of Piraeus, Greece) - Deep Q Learning With Fourier Feature Mapping For Mobile Relay Beamforming Networks
Spilios Evmorfos (Rutgers – The State University of New Jersey, USA); Konstantinos Diamantaras (International Hellenic University, Greece); Athina Petropulu (Rutgers, The State University of New Jersey, USA)
S5 – Signal processing and learning for networks
Chair: Joakim Jaldén (KTH Royal Institute of Technology, Sweden)
- A Graph Federated Architecture with Privacy Preserving Learning
Elsa Rizk (EPFL, Switzerland); Ali Sayed (Ecole Polytechnique Federale de Lausanne EPFL, School of Engineering, Switzerland) - Closed Form BER For ZF OTFS Receivers
Khushboo Yadav and Prem Singh (Indian Institute of Technology Kanpur, India); Himanshu Bhusan Mishra (IIT (ISM) Dhanbad, India); Rohit Budhiraja (IIT Kanpur, India) - In-Network Learning via Over-the-Air Computation in Internet-of-Things
Yao-Win Peter Hong and Chun-Chi Wang (National Tsing Hua University, Taiwan) - Fast Power Control Adaptation via Meta-Learning for Random Edge Graph Neural Networks
Ivana Nikoloska and Osvaldo Simeone (King’s College London, United Kingdom (Great Britain)) - The Transfer Function of Non-Stationary Indoor Channels and its Relationship to System Functions of LFMCW Radars
Rym Hicheri, Nurilla Avazov, Muhammad Muaaz and Matthias Pätzold (University of Agder, Norway) - Minimizing Average On-Demand AoI in an IoT Network with Energy Harvesting Sensors
Mohammad Hatami and Markus Leinonen (University of Oulu, Finland); Marian Codreanu (Linkoping University, Sweden)
S6 – Signal processing for communications
Chair: Martina Cardone (University of Minnesota, USA)
- A Parallel Distributed Algorithm for the Power SVD Method
Li JiaYing and Xiaoxiao Wu (Shenzhen University, China); Qiang Li (University of Electronic Science and Technology of China, China); Anna Scaglione (Arizona State University, USA) - Bayesian constrained decision fusion
Panagiotis A. Traganitis and Georgios B. Giannakis (University of Minnesota, USA) - Cramér-Rao Lower Bound for Bayesian Estimation of Quantized MMV Sparse Signals
Sai Subramanyam Thoota (Indian Institute of Science, Bangalore, India); Chandra R Murthy (Indian Institute of Science, India) - Single-Shot Compression for Hypothesis Testing
Fabrizio Carpi, Siddharth Garg and Elza Erkip (New York University, USA) - Experiencing the communication advantage of the Superposition of Causal Orders
Daniele Cuomo (University of Naples Federico II, Italy); Marcello Caleffi (University of Naples “Federico II”, Italy); Angela Sara Cacciapuoti (University of Naples Federico II, Italy) - Asymptotic CRB for Satellite based Localization
Hodaya Halevi (Bar Ilan University, Israel)
S7 – Multiple access networks
Chair: Mari Kobayashi (Technische Universität München, Germany)
- Access Delay Constrained Activity Detection in Massive Random Access
Jyotish Robin (NYU WIRELESS, USA); Elza Erkip (New York University, USA) - Secure Low-power IoT Uplink Communication via Unsupervised Signal Alignment
Mohamed Salah Ibrahim and Nikolaos D Sidiropoulos (University of Virginia, USA) - Power allocation in Uplink Multiband Satellite System with Nonlinearity-Aware Receiver
Arthur Louchart (Télécom Paris & Institut Polytechnique de Paris, France); Philippe Ciblat (Telecom Paris & Institut Polytechnique de Paris, France); Charly Poulliat (INP – ENSEEIHT Toulouse, France) - Adaptive Coordinated Random Access For MTC With Correlated Traffic and Data Freshness
Federico Moretto, Alessandro Brighente and Stefano Tomasin (University of Padova, Italy) - To Supervise or Not to Supervise: How to Effectively Learn Wireless Interference Management Models?
Bingqing Song and Haoran Sun (University of Minnesota, USA); Wenqiang Pu (The Chinese University of Hong Kong, Shenzhen, China); Sijia Liu (Michigan State University, USA); Mingyi Hong (University of Minnesota, USA)