Temat: pulse amplitude modulation (PAM) - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Application of the FPAA to Sample Input Signal for Laboratory Exercise: Pulse Amplitude Modulation
Autorzy:: Grzechca, Damian
Chruszczyk, Lukas
Powiązania:: https://bibliotekanauki.pl/articles/227335.pdf
Data publikacji:: 2020
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: field programmable analog array (FPAA)
signal processing
pulse amplitude modulation (PAM)
student laboratory
Opis:: This paper presents exemplary exercise on the fundamentals of signal processing course which is offered for second year bachelor level students. Application of Field Programmable Analog Array (FPAA) for pulse amplitude modulation (PAM) exercise is described with signal processing laboratory. There are presented two methods for implementing PAM modulation and demodulation technique in FPAA module. Example configuration files are available form Authors’ web site.
Źródło:: International Journal of Electronics and Telecommunications; 2020, 66, 1; 25-28
2300-1933
Pojawia się w:: International Journal of Electronics and Telecommunications
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: A Soft-Output STBC Decoder for Aeronautical Telemetry
Autorzy:: Louёt, Yves
Othman, Rami
Skrzypczak, Alexandre
Powiązania:: https://bibliotekanauki.pl/articles/309130.pdf
Data publikacji:: 2020
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: continuous-phase modulation
CPM
pulse amplitude modulation
PAM
shaped oﬀset quadrature phase shift keying
SOQPSK
space-time block coding
STBC
ternary symbol
Opis:: Alamouti encoding is a well-known space time block encoding technique used to improve the received signal quality in Rayleigh fading channels. In aeronautical telemetry, this encoding technique is applied to shaped oﬀset quadrature phase shift keying tier generation (SOQPSK-TG) modulation in order to handle the two-antenna issue. It is provided for in telemetry-related IRIG standards. In this paper, we propose a unique decoding architecture for Alamouti-encoded SOQPSK-TG signals, taking advantage of pulse amplitude modulation decomposition with soft and hard outputs. We exploit this result to obtain a Viterbi algorithm (VA) for hard decoding and a soft output Viterbi algorithm (SOVA) for soft and hard decoding, with a twofold beneﬁt: operation using one trellis structure, unlike decoders that are based on the 8-waveforms cross-correlated trellis-coded quadrature modulation (XTCQM) approximation, and very attractive bit error rate performance, as well as a complexity trade-oﬀ.
Źródło:: Journal of Telecommunications and Information Technology; 2020, 1; 13-20
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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