Banca de QUALIFICAÇÃO: THAIS MILLA SIMAO ARAUJO

Uma banca de QUALIFICAÇÃO de MESTRADO foi cadastrada pelo programa.
STUDENT : THAIS MILLA SIMAO ARAUJO
DATE: 19/09/2022
TIME: 14:00
LOCAL: meet.google.com/rak-uuxg-xbo
TITLE:

GMSK receiver for Global Open CoLlecting Data System (GOLDS)

KEY WORDS:

GMSK. Polar code. GOLDS. SBCDA.

PAGES: 58
BIG AREA: Engenharias
AREA: Engenharia Aeroespacial
SUMMARY:

The Global Open CoLlecting Data System (GOLDS) is a satellite environmental data collection system proposed as an evolution the Brazilian Environmental Data Collecting System (SBCDA). The SBCDA signal is modeled with Phase Shift Keying (PSK) modula-
tion and without channel encoding. One of the main problems of the SBCDA is inter-user interference. As the available bandwidth for reception is small, it is recommended that the frequency band occupied by the signals from Data Collection Platforms be compact.
Thus, a signal with Gaussian Minimum Shift Keying (GMSK) modulation and polar code channel coding was defined as specification for GOLDS. Given this specification, there is a need to develop the receiver model for the system. This is the aim of this research.
Considering that the receiver must be implemented in the Environmental Data Collector (EDC) payload and embedded in CubeSat satellites, the receiver model must have a low computational load. Proposals for receivers with synchronization, demodulation and
decoding techniques are presented. In the simulation, the receiver that presented the best performance has an MSK-type linear demodulator for the pre-coded GMSK signal.

COMMITTEE MEMBERS:
Presidente - 1805797 - FRANCISCO JOSE TARGINO VIDAL
Interno - ***.376.044-** - JOSÉ MARCELO LIMA DUARTE - INPE
Externo à Instituição - ANTONIO MACILIO PEREIRA DE LUCENA - INPE