Performance of GMSK in Mobile Satellite Communication Channel with Orthogonal Frequency Division Multiplexing

Provided by: EuroJournals
Topic: Mobility
Format: PDF
This paper investigates the use of multicarrier system to provide solutions to the net effect of propagation which include atmospheric gases terrestrial obstacles which cause degradation in the link. Orthogonal Frequency Division Multiplexing (OFDM) that is a form of multicarrier transmission strategy. The total transmission bandwidth is split into a number of subcarriers and the symbols are transmitted in parallel. The system was simulated using MATLAB application package. OFDM-GMSK (Gaussian Minimum Shift Keying) signaling was employed with 32 subcarriers and guard interval of 16 at a mobile speed of 30 km/h to provide parallel transmissions. The transmit symbols are processed and then propagated through the atmosphere.

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