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Based on the wideband multi-input multi-output (MIMO), channel measurements carried out in downtown Helsinki, Finland, with 11 measurement routes at 3 base station (BS) sites, a full path-loss model including transition region is developed for urban microcells with Manhattan street blocks. The carrier frequency was 5.3 GHz with 100 MHz bandwidth. The size of a transition region is about 7–10 times...
An optimized multiple-input-multiple-output (MIMO) antenna system is proposed. It is based on the traditional planar inverted-F antenna (PIFA) design, accommodated on a printed circuit board (PCB) for mobile handsets and operating at 21.6GHz. The PIFA dimension is reduced by 30% with meander structure etched on the conventional PIFA. Diversity performances of a parallel dual-element Meander PIFA array...
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