Low complexity precoder and equalizer for DMT systems with insufficient cyclic prefix. - Igor Freire; Chenguang Lu; Per-Erik Eriksson; Aldebaro Klautau (GLOBECOM, 2014)

Analysis and Evaluation of End-to-End PTP Synchronization for Ethernet-Based Fronthaul. - Igor Freire; Ilan Sousa; Aldebaro Klautau; Igor Almeida; Chenguang Lu; Miguel Berg (GLOBECOM, 2016)

Analysis of Controlled Packet Departure to Support Ethernet Fronthaul Synchronization via PTP. - Igor Freire; Ilan Sousa; Pedro Bemerguy; Aldebaro Klautau; Igor Almeida; Chenguang Lu; Miguel Berg (ISPCS, 2018)

Improved LPC-Based Fronthaul Compression With High Rate Adaptation Resolution. - Leonardo Ramalho; Igor Freire; Chenguang Lu; Miguel Berg; Aldebaro Klautau (IEEE Commun. Lett., 2018)

5G-PICTURE: A Programmable Multi-tenant 5G Compute-RAN-Transport Infrastructure. - Daniel Camps-Mur; Kostas Katsalis; Igor Freire; Jesús Gutiérrez 004; Nikos Makris; Salvatore Pontarelli; Robert Schmidt 001 (EuCNC, 2019)

Analysis of Synchronization Requirements for Integrated Access Backhaul in 5G Networks. - Pedro Bemerguy; Igor Freire; Aldebaro Klautau (SSN, 2020)

Testbed Evaluation of Distributed Radio Timing Alignment Over Ethernet Fronthaul Networks. - Igor Freire; Igor Almeida; Eduardo Medeiros; Miguel Berg; Chenguang Lu; Elmar Trojer; Aldebaro Klautau (IEEE Access, 2020)

An LSTM-based Approach for Holdover Clock Disciplining in IEEE 1588 PTP Applications. - Rodrigo Dutra; Igor Freire; Pedro Bemerguy; Aldebaro Klautau; Igor Almeida; Eduardo Medeiros (GLOBECOM, 2021)

of Kalman Filtering for Clock Synchronization in PTP-Unaware Networks. - Camila Novaes; Igor Freire; Aldebaro Klautau; Igor Almeida; Eduardo Medeiros (LATINCOM, 2021)

Clock Synchronization Algorithms Over PTP-Unaware Networks: Reproducible Comparison Using an FPGA Testbed. - Igor Freire; Camila Novaes; Igor Almeida; Eduardo Medeiros; Miguel Berg; Aldebaro Klautau (IEEE Access, 2021)