Patent attributes
A communication device includes an antenna system. The antenna system at least includes a dual-polarized antenna, a reflector, and a PIFA (Planar Inverted F Antenna). The dual-polarized antenna includes a first diamond-shaped dipole antenna element and a second diamond-shaped dipole antenna element. The second diamond-shaped dipole antenna element has two truncated tips. The reflector is adjacent to the dual-polarized antenna, and is configured to reflect the radiation energy from the dual-polarized antenna. The PIFA is at least partially formed by the reflector. The PIFA includes a radiation element, a grounding element, and a feeding element. A slot is formed between the radiation element and the grounding element. The slot has a varying width, so as to increase the operation bandwidth of the PIFA.
