Ultra-Sparse Binary LDPC Codes with CSK Signals for Increased Data Rates in Future GNSS
Data rate increase in global navigation satellite systems (GNSS) is necessary to provide new features (e.g. precise positioning, security code authentication (SCA) key management). In addition, the data transmission reliability in urban environments can be improved using an induced increase of tempo...
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| Vydané v: | ESA Workshop on Satellite Navigation Technologies and European Workshop on GNSS Signals and Signal Processing (Print) s. 1 - 11 |
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| Hlavní autori: | , , , , |
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| Jazyk: | English |
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IEEE
01.12.2018
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| ISSN: | 2325-5455 |
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| Abstract | Data rate increase in global navigation satellite systems (GNSS) is necessary to provide new features (e.g. precise positioning, security code authentication (SCA) key management). In addition, the data transmission reliability in urban environments can be improved using an induced increase of temporal diversity; the latter being obtained by retransmitting data bits thanks to the data rate improvement. The code shift keying (CSK) modulation is a solution for augmenting data rates of direct-sequence spread-spectrum (DSSS) signals. In addition, last developed GNSS signals make use of modern channel codes in order to further improve the reliability of GNSS data recovery. Hence, this article aims at proposing new binary low-density parity-check (LDPC) codes constructed for the CSK modulation in a bit-interleaved coded modulation (BICM) context. Codes achieving good error rate performance for both BICM and BICM with iterative demapping/decoding (BICM-ID) are presented. The code construction methodology is detailed and the good performance achieved by the constructed codes is assessed in additive white Gaussian noise (AWGN) channel. |
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| AbstractList | Data rate increase in global navigation satellite systems (GNSS) is necessary to provide new features (e.g. precise positioning, security code authentication (SCA) key management). In addition, the data transmission reliability in urban environments can be improved using an induced increase of temporal diversity; the latter being obtained by retransmitting data bits thanks to the data rate improvement. The code shift keying (CSK) modulation is a solution for augmenting data rates of direct-sequence spread-spectrum (DSSS) signals. In addition, last developed GNSS signals make use of modern channel codes in order to further improve the reliability of GNSS data recovery. Hence, this article aims at proposing new binary low-density parity-check (LDPC) codes constructed for the CSK modulation in a bit-interleaved coded modulation (BICM) context. Codes achieving good error rate performance for both BICM and BICM with iterative demapping/decoding (BICM-ID) are presented. The code construction methodology is detailed and the good performance achieved by the constructed codes is assessed in additive white Gaussian noise (AWGN) channel. |
| Author | Paonni, Matteo Pena, Axel Garcia Anghileri, Marco Chauvat, Remi Floch, Jean-Jacques |
| Author_xml | – sequence: 1 givenname: Remi surname: Chauvat fullname: Chauvat, Remi organization: TELECOM Laboratory École Nationale de l'Aviation Civile, Toulouse, France – sequence: 2 givenname: Axel Garcia surname: Pena fullname: Pena, Axel Garcia organization: TELECOM Laboratory École Nationale de l'Aviation Civile, Toulouse, France – sequence: 3 givenname: Marco surname: Anghileri fullname: Anghileri, Marco organization: Airbus Defence and Space, Munich, Germany – sequence: 4 givenname: Jean-Jacques surname: Floch fullname: Floch, Jean-Jacques organization: Airbus Defence and Space, Munich, Germany – sequence: 5 givenname: Matteo surname: Paonni fullname: Paonni, Matteo organization: Joint Research Centre European Commission, Ispra, Italy |
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| Snippet | Data rate increase in global navigation satellite systems (GNSS) is necessary to provide new features (e.g. precise positioning, security code authentication... |
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| SubjectTerms | AWGN channels BICM BICM-ID Channel coding CSK Decoding Demodulation EXIT chart Global navigation satellite system GNSS LDPC Parity check codes Receivers |
| Title | Ultra-Sparse Binary LDPC Codes with CSK Signals for Increased Data Rates in Future GNSS |
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