2015 - XXXIII Simpósio Brasileiro de Telecomunicações
Improvement on Sampling Clock Offset Estimation for Mobile OFDM Systems
Sampling Clock Offset (SCO) estimation is an important issue in Orthogonal Frequency-Division Multiplexing (OFDM) systems because sampling frequency mismat...
- Davi A. L. Castro
- Cristiano M. Panazio
- Cássio F. Dantas
- OFDM
- Sampling Clock Offset
- Sampling Fre- quency Offset
- Time-varying Channels
- Doppler spread
- ISDB-T system
SBrT 2015
Reduced Rank Adaptive Filter with Variable Step Size for Impulsive UWB PLC Systems
This paper addresses the reception of UWB symbol in an impulsive UWB PLC system. Regarding this topic, it is introduced the use of the Delta-Rule-Delta tec...
- Marlon Lucas Gomes Salmento
- Eduardo Pestana de Aguiar
- Moisés Vidal Ribeiro
- Power Line Communications
- UWB modulation
- Reduced-Rank Adaptive Filter
- Adaptive Algorithms
SBrT 2015
MIMO Wiretap Channels with Multiple Jamming Signals: A Secrecy Outage Performance Analysis
In this paper, assuming an interference-limited eavesdropper scenario, the secrecy outage performance of multiple-input multiple-output wiretap channels with...
- Daniel Benevides da Costa
- Nuwan S. Ferdinand
- Ugo S. Dias
- R afael T. de Sousa Jr.
- Matti Latva-aho
- Jamming
- MIMO wiretap channels
- outage prob- ability
- secrecy performance
SBrT 2015
Digital Television Interference on the LTE System in the 700 MHz Band
Today, the coexistence of Long Term Evolution (LTE) systems operating in adjacent channel with Digital Television (DTV) in the 700 MHz band is under invest...
- D. M. Mathe
- F. S. Farias
- J. C. W. A. Costa
- DTV
- LTE
- Interference
- coexistence
SBrT 2015
Uso dos parâmetros VVGP em sistemas de verificação de locutor baseados em i-vectors
Este trabalho apresenta equacionamento do cálculo do campo magnético em dois cenários típicos para enlaces TTE: meio infinito condutivo e semi-espaço homogên...
- Cristian Jesus Silva de Souza
- Lee Luan Ling
- i-vectors
- MFCCs
- verificação de locutor
SBrT 2015