{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,22]],"date-time":"2025-08-22T04:56:49Z","timestamp":1755838609623,"version":"3.41.0"},"reference-count":24,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2017,7,19]],"date-time":"2017-07-19T00:00:00Z","timestamp":1500422400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/2.zoppoz.workers.dev:443\/http\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Satell Commun Network"],"published-print":{"date-parts":[[2018,3]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>Reliability and effectiveness are essential features of satellite transceivers for telemetry and telecommand applications. Modem performance has a strong impact on the success of a satellite mission, in particular, during critical scenarios as the early operation phase, the disposal of a satellite at the end of its life, or the deep\u2010space missions. In these specific mission critical scenarios, fast and correct data reception is even more important than high channel capacity. An unknown and fast variable channel condition, which can be caused by uncertain spacecraft attitude and large Doppler shift with respect to the data rate, requires efficient and innovative receiver architecture. This paper introduces a complete digital implementation of a transceiver for TM\/TC application in low Earth orbit mission that is perfectly compliant with aforementioned requirements. Particular attention is dedicated to the definition and selection of the most appropriate frequency recovery technique; 2 open\u2010loop techniques that are derived from ML optimal estimator are presented and compared. Additionally, the performance of the proposed receiver is extensively studied and compared with an incoherent technique that is based on the double differential PSK modulation and is known to be suitable for sat\u2010com in critical scenarios.<\/jats:p>","DOI":"10.1002\/sat.1211","type":"journal-article","created":{"date-parts":[[2017,7,19]],"date-time":"2017-07-19T12:19:34Z","timestamp":1500466774000},"page":"179-193","source":"Crossref","is-referenced-by-count":2,"title":["Frequency recovery techniques for TM\/TC satellite modem in critical scenarios"],"prefix":"10.1002","volume":"36","author":[{"given":"Alessio","family":"Fanfani","sequence":"first","affiliation":[{"name":"Department of Information Engineering University of Florence Via S. Marta 3, Florence 50139 Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/2.zoppoz.workers.dev:443\/https\/orcid.org\/0000-0002-0145-8406","authenticated-orcid":false,"given":"Simone","family":"Morosi","sequence":"additional","affiliation":[{"name":"Department of Information Engineering University of Florence Via S. Marta 3, Florence 50139 Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luca","family":"Ronga","sequence":"additional","affiliation":[{"name":"National Inter\u2010University Consortium for Telecommunications Florence Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Enrico","family":"Del\u00a0Re","sequence":"additional","affiliation":[{"name":"Department of Information Engineering University of Florence Via S. Marta 3, Florence 50139 Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2017,7,19]]},"reference":[{"key":"e_1_2_8_2_1","unstructured":"European Code of Conduct for Space Debris Mitigation. June2004. Issue 1.0."},{"key":"e_1_2_8_3_1","unstructured":"AntonettiS FerrarioL TosonE RossettiniL.Implementation of Debris Prevention and Reduction Measures by an Independent Propulsive Decommissioning Device. In:66th International Astronautical Congress.Jerusalem;2145\u20132155 12\u201316 October2015."},{"key":"e_1_2_8_4_1","doi-asserted-by":"crossref","unstructured":"BruzziJR JensenJR FielhauerKB RoysterDW SrinivasanDK.Telemetry recovery and uplink commanding of a spacecraft prior to three\u2010axis attitude stabilization. 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