Multicarrier symbol design for HF transmissions from the antarctica based on real channel measurements

Ricard Aquilué, Pau Bergadà, Marc Deumal, J. L. Pijoan

Research output: Book chapterConference contributionpeer-review

1 Citation (Scopus)


Last fifteen years improvements in HF digital systems have made ionospheric communications a true alternative to low bit rate, long distance links, especially in the polar caps where alignment with geostationary satellites is not always possible. Our previous research efforts were focused on using pseudo-noise (PN) sequences and Orthogonal Frequency Division Multiplexing (OFDM) pilot symbols to evaluate the 7900 miles link from the Spanish Antarctic Base Juan Carlos I to Spain, crossing the equatorial belt. In this paper we face the problem of designing the OFDM physical layer. Two multicarrier transmission schemes are proposed and compared based on channel measured transfer functions and noise plus interference records. Special attention is paid to pilot pattern design in order to maximize the system performance while assuring high power and bandwidth efficiency. The quality and throughput in real transmissions from the Antarctica, as well as the evolution of BER in front of interferences, are studied.

Original languageEnglish
Title of host publicationMilitary Communications Conference 2006, MILCOM 2006
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)1424406188, 9781424406180
Publication statusPublished - 2006
EventMilitary Communications Conference 2006, MILCOM 2006 - Washington, D.C., United States
Duration: 23 Oct 200625 Oct 2006

Publication series

NameProceedings - IEEE Military Communications Conference MILCOM


ConferenceMilitary Communications Conference 2006, MILCOM 2006
Country/TerritoryUnited States
CityWashington, D.C.


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