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Εργαστήριο Ενσωματωμένων Επικοινωνιακών Συστημάτων - Δημοσιεύσεις


Panayiotis Savvopoulos and Theodore Antonakopoulos:

A New Performance Metric for M-APSK Receivers

International Journal of Electronics and Communications, Volume 68, Issue 11, November 2014.

Abstract: Synchronization is a critical function that determines the overall performance and complexity of the receiver of any communications system. The implementation and evaluation of effective synchronization algorithms still comprises a challenging task that requires accurate testing methods, which are based on measurements collected at various processing stages. M-ary Amplitude-Phase Shift Keying (M-APSK) constellations are used in modern communications systems, such as digital video broadcasting and interactive broadband satellite services, due to their bandwidth efficiency characteristics. This paper presents a new metric that can be associated with the signal quality at various synchronization mechanisms used in M-APSK receivers. Apart from the metric's mathematical derivation, the paper presents various experimental results based on single (QPSK, 8PSK), two (16APSK) and three (32APSK) ring M-APSK schemes employed in DVB-S2 systems.

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