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Improved LPC-Based Fronthaul Compression with High Rate Adaptation Resolution

Journal paper
Leonardo Ramalho, Igor Freire, Chenguang Lu, Miguel Berg, Aldebaro Klautau
L. Ramalho, I. Freire, C. Lu, M. Berg and A. Klautau, "Improved LPC-Based Fronthaul Compression with High Rate Adaptation Resolution," in IEEE Communications Letters, vol. PP, no. 99, pp. 1-1.
Publication year: 2018

An FPGA-based Design of a Packetized Fronthaul Testbed with IEEE 1588 Clock Synchronization

Conference paper
Igor Freire, Chenguang Lu, Miguel Berg, Aldebaro Klautau
European Wireless 2017; 23th European Wireless Conference, Dresden, Germany, 2017, pp. 1-6.
Publication year: 2017

FPGA-based testbed for synchronization on Ethernet fronthaul with phase noise measurements

Conference paper
Joary Paulo, Igor Freire, Ilan Sousa, Chenguang Lu, Miguel Berg, Igor Almeida, Aldebaro Klautau
2016 1st International Symposium on Instrumentation Systems, Circuits and Transducers (INSCIT), Belo Horizonte, Brazil, 2016, pp. 132-136
Publication year: 2016
PTP Time Synchronization

Analysis and Evaluation of End-to-End PTP Synchronization for Ethernet-Based Fronthaul

Conference paper
Igor Freire, Ilan Sousa, Aldebaro Klautau, Igor Almeida, Chenguang Lu, Miguel Berg
2016 IEEE Global Communications Conference (GLOBECOM), Washington, DC, USA, 2016, pp. 1-6.
Publication year: 2016

Parallel polyphase filtering for pulse shaping on high-speed optical communication systems

Conference paper
Ilan Sousa, Brenda Vilas Boas, Igor Freire, Aldebaro Klautau, Jacklyn D. Reis
Microwave and Optoelectronics Conference (IMOC), 2015 SBMO/IEEE MTT-S International, Porto de Galinhas, 2015, pp. 1-5.
Publication year: 2015

Feasibility of alien crosstalk mitigation with receiver-side MIMO processing on systems

Conference paper
Diego de Azevedo Gomes, Igor Freire, Aldebaro Klautau, Evaldo Pelaes
Telecommunications (IWT), 2015 International Workshop on, Santa Rita do Sapucai, 2015, pp. 1-7.
Publication year: 2015

Low complexity precoder and equalizer for DMT systems with insufficient cyclic prefix

Conference paper
Igor Freire, Chenguang Lu, Per-Erik Eriksson, Aldebaro Klautau
2014 IEEE Global Communications Conference, Austin, TX, 2014, pp. 3243-3248.
Publication year: 2014