Rateless codes for satellite systems over rain fading channels

Rateless codes for satellite systems over rain fading channels

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Modern satellite systems utilize high frequency bands usually above 15 GHz to provide high speed transmission services, and adopt adaptive modulation and coding (AMC) schemes in order to countermeasure serious rain fading occurred in the utilized frequency bands. This paper introduces an efficient scheme to countermeasure rain fading by using rateless codes. The proposed scheme utilizes existing AMC scheme with the LDPC codes, and thus it can be easily combined with existing standards. The error rate and spectral efficiency performance simulation results demonstrate performance enhancement over a satellite rain fading channel, with almost the same code rate as the existing LDPC codes.

Inspec keywords: fading channels; adaptive modulation; satellite communication; parity check codes; rain

Other keywords: spectral efficiency performance simulation results; high speed transmission services; modern satellite systems; high frequency bands; AMC scheme; rateless codes; rain fading channels; frequency 15.0 GHz; code rate; existing LDPC codes; satellite rain fading channel; utilized frequency bands; serious rain fading; adaptive modulation

Subjects: Modulation and coding methods; Other topics in statistics; Codes; Radio links and equipment

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