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A planar slot antenna is designed and fabricated for 10mm square 60-GHz-band ultra-small wireless personal area network (WPAN) modules using low-cost organic substrates. Effects of ground and connector are discussed using computer simulation. As for planar slot antenna, it is proved that multilayered large grounds structure is most effective for gain enhancement, however, influence of the connector...
In this paper, we propose a novel copper balls interconnection technology for 60 GHz band 3-D system-in-package (SiP) modules for 10 mm square 60 GHz band ultra-small wireless personal area network (WPAN) using organic substrates. Copper ball diameter of 350 μm is used for interconnection between the substrates. Ground copper balls placement is discussed showing electric field distribution. As a result,...
In this work, delay profiles of indoor multipath characteristics at 60 GHz were measured using a pulse compression method based on M-sequences. Packets included preamble of two M-sequences were generated by a software modulator and a 4 GSample/s dual channel arbitrary waveform generator. Baseband signal was converted to 60 GHz band by transmitter. At receiver, a 4 GSample/s sliding correlator was...
This study has designed a planar dipole antenna for 10 mm square 60 GHz band ultra-small and low-cost modules using any layer interstitial via hole (ALIVH) substrate. The planar dipole antenna is patterned on the top layer of the module. Simulated results show that bandwidth and gain of the proposed module are sufficient for 60 GHz wireless personal area network (WPAN) system. The proposed module...
We propose a multi-carrier transmission with constant envelope modulation for a 2Gbps wireless system using the 60 GHz band. All sub-carriers are amplified individually and combined after amplification to make the sub-carrier envelope constant. Each sub-carrier spectrum is set to overlap each other to reduce the radio frequency (RF) bandwidth. In the case of 4 minimum shift keying (MSK) sub-carriers,...
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