CPC H01Q 1/243 (2013.01) [H01Q 1/38 (2013.01); H01Q 1/521 (2013.01); H01Q 5/50 (2015.01); H01Q 13/085 (2013.01)] | 12 Claims |
1. An antenna system, comprising:
a dielectric slab;
a clearance zone on one end of the dielectric slab;
a low-frequency antenna with a working frequency band of less than 6 GHz arranged in the clearance zone;
a millimeter-wave array antenna arranged in the clearance zone; and
a multi-layer passive grid structure arranged between the low-frequency antenna and the millimeter-wave array antenna on both sides of the dielectric slab.
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