Effect of randomizers on the power spectrum excess of space telemetry signals

التفاصيل البيبلوغرافية
العنوان:	Effect of randomizers on the power spectrum excess of space telemetry signals
المؤلفون:	Battaglioni M., Baldi M., Chiaraluce F., Garello R., Calzolari G. P., Vassallo E.
المساهمون:	Battaglioni, M., Baldi, M., Chiaraluce, F., Garello, R., Calzolari, G. P., Vassallo, E.
بيانات النشر:	John Wiley and Sons Ltd
سنة النشر:	2022
المجموعة:	PORTO@iris (Publications Open Repository TOrino - Politecnico di Torino)
مصطلحات موضوعية:	power spectrum, randomizer, space link, telemetry
الوصف:	This paper presents a thorough analysis of the spectral characteristics of space telemetry signals when randomizers are used to counter the power excess, that is, the increase of the power spectrum in some measurement bandwidths with respect to the transmission of an ideal random signal. We show that a long randomizer actually improves the spectral characteristics but is not able to solve some critical problems appearing when all-zero frames or almost constant data are transmitted. Suitable solutions are proposed to face these cases, ensuring a small power excess in all possible operation conditions. The impact of high-order modulations and error correcting codes is also investigated.
نوع الوثيقة:	article in journal/newspaper
وصف الملف:	ELETTRONICO
اللغة:	English
Relation:	info:eu-repo/semantics/altIdentifier/wos/WOS:000671367100001; volume:40; issue:2; firstpage:67; lastpage:82; numberofpages:16; journal:INTERNATIONAL JOURNAL OF SATELLITE COMMUNICATIONS AND NETWORKING; http://hdl.handle.net/11583/2970407; info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85109357959
DOI:	10.1002/sat.1416
الاتاحة:	http://hdl.handle.net/11583/2970407 https://doi.org/10.1002/sat.1416 https://onlinelibrary.wiley.com/doi/10.1002/sat.1416
Rights:	info:eu-repo/semantics/openAccess
رقم الانضمام:	edsbas.27F23BE9
قاعدة البيانات:	BASE

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الوصف
DOI:	10.1002/sat.1416