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Remote sensing and skywave digital communication from antarctica.

Pau Bergadà¹, Marc Deumal, Carles Vilella

¹LA SALLE, Universitat Ramon Llull, Passeig Bonanova 8, 08022 Barcelona, Spain; E-Mails: mdeumal@salle.url.edu (M.D.); carlesv@salle.url.edu (C.V.); jramon@salle.url.edu (J.R.R.).

Sensors (Basel, Switzerland)

|February 4, 2012

Summary

Researchers explored two communication methods, Direct Sequence Spread Spectrum (DS-SS) and Orthogonal Frequency Division Multiplexing (OFDM), for a reliable, low-power link between Antarctica and Spain using remote sensing data.

Keywords:

Antarctica DS-SS OFDM geomagnetism ionosphere oblique sounding remote sensing skywave communications

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Area of Science:

Remote Sensing
Radio Science
Telecommunications

Background:

Research activities in remote sensing by La Salle and the Ebro Observatory.
Initiation of a project in 2003 to establish a long-haul oblique ionospheric sounder.
Objective to transmit data from the Spanish Antarctic station Juan Carlos I to Spain.

Purpose of the Study:

To assess the feasibility of two physical layer candidates for a skywave communication link.
To establish a reliable, low-power, low-rate communication system between Antarctica and Spain.
To enable data transmission from remote sensors in Antarctica to Spain.

Main Methods:

Feasibility study of Direct Sequence Spread Spectrum (DS-SS) for the skywave link.
Feasibility study of Orthogonal Frequency Division Multiplexing (OFDM) for the skywave link.
Analysis of physical layer candidates for long-haul oblique ionospheric sounding.

Main Results:

Consideration of DS-SS as a potential solution for the Antarctica-Spain communication link.
Consideration of OFDM as a potential solution for the Antarctica-Spain communication link.
Evaluation of system reliability, power, and data rate for the proposed communication system.

Conclusions:

Both DS-SS and OFDM are viable candidates for the skywave link.
The study provides insights into establishing robust remote sensing data transmission from Antarctica.
Further research can optimize the chosen physical layer for enhanced communication performance.