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pro vyhledávání: '"Fernanda Smith"'
Autor:
Ian Lima, Fernanda Smith
Publikováno v:
Anais de XXXVIII Simpósio Brasileiro de Telecomunicações e Processamento de Sinais.
Publikováno v:
Anais de XXXVIII Simpósio Brasileiro de Telecomunicações e Processamento de Sinais.
Publikováno v:
Digital Signal Processing. 70:39-48
The error performance of LDPC-coded QAM systems, such as those implied by the G.hn and IEEE 802.11n standards, can be considerably improved by bit mapping techniques. Recently, a simple root-like bit mapping has been proposed by the authors. It is ba
Publikováno v:
LASCAS
We compare schemes from two different standards for copper twisted pairs in light of the upcoming G.fast standard for Digital Subscriber Lines. Various configurations are compared based on error performance. This contribution confirms quantitatively
Publikováno v:
GLOBECOM
This paper presents a new bit mapping strategy which aims to improve the performance of a LDPC-Coded QAM system such as the one specified in the G.hn standard. The proposed bit mapping is based on the assumption that bits transmitted in “good” su
Publikováno v:
Anais de XXX Simpósio Brasileiro de Telecomunicações.
Publikováno v:
2011 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC 2011).
This work presents the simulation and analysis of the impact of impulsive noise on video transmission over ADSL using the Ptolemy II framework. The implemented software modem includes channel coding and modulation used in the ADSL standard and an imp
Autor:
Fernanda Smith, Francisco Muller, Boris Dortschy, Marcio Monteiro, Evaldo Pelaes, Aldebaro Klautau
Publikováno v:
Anais de VII International Telecommunications Symposium.