A DS-SS signaling based system proposal for low SNR HF digital communications

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A DS-SS signaling based system proposal for low SNR HF digital communications

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10th IET International Conference on Ionospheric Radio Systems and Techniques (IRST 2006) — Recommend this title to your library

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  • DOI:  10.1049/cp:20060251
  • ISBN: 0 86341 659 4
  • Location: London, UK
  • Conference date: 18-21 July 2006
  • Format: PDF
In this paper a DS-SS signaling based physical layer for low SNR links is presented. This technique is able to increase the spectral efficiency by scarcely decreasing the BER performance at the expense of an increased receiver complexity. Moreover, accurate channel estimation is not required. Preliminary transmissions were done in a HF link between the Antarctica and Spain. Four setups with different transmission bandwidths and data rates have been evaluated. Up to 55.7% error free transmissions were achieved by using a transmission bandwidth of 5156 Hz, a coded bit rate of 57 bps and a transmission power of 200 W in a 12700 Km ionospheric link.

Inspec keywords: telecommunication signalling; radio links; spread spectrum communication; code division multiple access; digital communication; pseudonoise codes

Subjects: Multiple access communication; Radio links and equipment; Codes

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