Design of a Diversity-Antenna Receiver System as Applied to the Satellite Radio Service

As Satellite Digital Audio Radio Services (SDARS) become more prevalent and more mature, automotive vehicle manufacturers (original equipment manufacturers or OEMs) desire to bury receive antennas into vehicles so that they can defer questions of appearance to vehicle stylists. When OEM introductions of SDARS products initially occurred (MY2002 on select Cadillac products), the technology was insufficiently mature to both meet time-to-market and styling concerns, so stylists were forced to defer to receiver designers. With the advent of SDARS diversity antenna systems, it is now possible to allow receiver designers to hand back questions of vehicle appearance to the stylists.