Low cost millimetre wave modules are needed for emerging 60 GHz applications such as high speed wireless communications and millimetre wave identification (MMID). All applications require high performance antenna arrays to overcome the high propagation losses. Two alternative antenna array designs on a low cost substrate (Taconic Taclamplus) are presented and analysed in this paper. The arrays ...

-A new direct conversion wide band (23 GHz – 31 GHz) six-port millimetre wave receiver for QPSK communications suitable for integrated circuit fabrication is proposed, to satisfy mass-market wireless communications. The receiver contains one multi-chip module consisting of a wide-band six-port junction, four RF detectors (diodes), video amplifiers and I&Q decoder. The prototype circuits are fab...

Solid-state power amplifiers at W-band (75 110 GHz) are attractive for the generation of local-oscillator (LO) power for super-heterodyne receivers operating at sub-millimetre wave frequencies, as needed for example in future space instruments for Earth observation. Apart from space applications there is a growing interest for these devices in for example millimetre wave imaging, communication ...

Millimetre-waves offer the possibility of wide bandwidth and consequently high data rate for wireless communications. For both uni- and dual-polarized systems, signals sent over a link may suffer severe degradation due to antenna misalignment. Orientation robustness may be enhanced by the use of mutual orthogonality in three dimensions. Multiple-input multiple-output polarization diversity offe...

Low-noise millimetre-wave signals are valuable for digital sampling systems, arbitrary waveform generation for ultra-wideband communications, and coherent radar systems. However, the phase noise of widely used conventional signal generators (SGs) will increase as the millimetre-wave frequency increases. Our goal has been to improve commercially available SGs so that they provide a low-phase-noi...

Multiple 60-GHz WPAN (Wireless Personal Area Network) radio transceiver chips using CMOS or BiCMOS process have been developed as wireless communication service of several-gigabit rate [Reynolds, 2006] [Razavi, 2006]. In a 60GHz millimetre-wave transceiver, frequency synthesizer is a key building block. It is very difficult to design the PLL-based programmable synthesizer directly at 60GHz band...