Abstract
Expectations have been running high for a new generation of FM broadcasting systems targeted at mobile FM reception, notably in cars. The DARC (data radio channel) is an FM multiplex broadcasting system designed to address these expectations. When compared with the RDS (radio data system) and the RBDS (radio broadcast data system) which have already gone into service in Europe and the United States, the DARC system features an over-tenfold transmission capacity. Other features include the L-MSK (level-controlled minimum shift keying) modulation system, the incorporation of powerful error-correction code, a wide service area, and so forth. In developing LSIs, we have set the following three major goals: ease of incorporation into FM receivers, elimination of adjustments, and minimization of add-on components. >
Published Version
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