Research of GMR-1 in GEO Satellite Mobile Communications

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Abstract:

At present, technology related to GEO is wide used in the civil and military fields. In this paper, firstly, the generation of GMR-1 was introduced and then a detail illustration of how to comprehend the GMR-1 system and its structure was made by comparison between GMR-1 specifications and GSM standard. These two specifications were compared in terms of the physical channel, logical channel, bursts, mapping and so on. The analysis indicates that GMR-1 modified the lower layers for the satellite channel. In the end, we are looking ahead to the future of the GMR-1.

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1580-1585

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September 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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[1] ETSI TS 101 376-1-2 (2005) GMR-1 01. 201: GEO-Mobile Radio Interface Specifications; Part 1: General specifications; Sub-part 2: Introduction to the GMR-1 Family, 1(4): 1-12.

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[2] ETSI TS 101 376-1-1 (2001) GMR-1 01. 202: GEO-Mobile radio Interface Specifications; Part 1: General specifications; Sub-part 3: General System Description , 2(4): 419-423.

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