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Preferable Transmission Rate of MSK Land Mobile Radio with Differential Detection
IEICE TRANSACTIONS (1976-1990)
Publication Date: 1982/08/25
Print ISSN: 0000-0000
Type of Manuscript: PAPER
Category: Transmission Systems
Full Text: PDF(346.7KB)>>
Envelope fading, random FM, and time delay spread are the major degradation factors in digital FM land mobile radio transmission systems using VHF/UHF frequencies. Taking these factors into account, the bit-error-rate (BER) performance of minimum-shift-keying (MSK) with differential detection is theoretically analyzed by using a two-path Rayleigh fading model. The postdetection selection diversity is considered in the analysis to clarify improvement in BER performance. Based on the results, it is shown that a preferable transmission rate exists for a typical land mobile propagation environment.