Title :
Effects of the interfering harmonics caused by imperfect data streams on BPSK and QPSK receivers
Author :
Nguyen, Tien M. ; Yeh, Hen-geul
Author_Institution :
Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA
Abstract :
The impacts of imperfect data streams on the carrier tracking and timing recovery performance of space telemetry systems are investigated. It is found that the tracking performances for both carrier tracking and bit sync depend on the amount of imbalance between +1s and -1s and data asymmetry. Additionally, the average probability of error (or bit error rate, BER) due to the presence of interfering harmonics created by the imperfect data stream is derived for both binary phase-shift-keying (BPSK) and quadri-phase-shift-keying (QPSK) receivers. The effects of imperfect data stream, imperfect data-induced carrier tracking phase error and imperfect data-induced bit timing error are considered in the evaluation of the BER
Keywords :
data communication; error statistics; harmonics; probability; quadrature phase shift keying; radio receivers; radiofrequency interference; space telemetry; tracking; BER; BPSK receivers; QPSK receivers; average error probability; binary phase-shift-keying; bit error rate; bit sync; bit timing error; carrier timing recovery; carrier tracking; data asymmetry; imperfect data streams; interfering harmonics; quadri-phase-shift-keying; space telemetry sytems; tracking performance; tracking phase error; AWGN; Additive white noise; Binary phase shift keying; Bit error rate; Gaussian noise; Performance analysis; Quadrature phase shift keying; RF signals; Timing; Tracking loops;
Conference_Titel :
Singapore ICCS '94. Conference Proceedings.
Print_ISBN :
0-7803-2046-8
DOI :
10.1109/ICCS.1994.474178
