The new upcoming technology of the fifth generation wireless mobile network is advertised as lightning speed internet, everywhere, for everything, for everyone in the nearest future. There are a lot of efforts and research carrying on many aspects, e.g. millimetre wave (mmW) radio transmission, massive multiple input and multiple output (Massive-MIMO) new antenna technology, the promising techn...

A frequency synthesiser architecture for millimetre-wave applications is proposed. The architecture is based on a triple-push oscillator, which functions both as a divider and oscillator. Thus, the proposed architecture eliminates the need for injection locked frequency dividers that are the main contributors to the limited tuning capability of millimetre-wave phase-locked loops. Since the prop...

A revolutionary enhancement of transmission data rates is required to meet the challenge an exponential capacity increase for sixth generation (6G) and beyond mobile communication sensing systems in era 2030 beyond. This generates a strong motivation exploring underutilised millimetre wave (30–300 GHz), sub-millimetre (300–3000 terahertz (0.1–10 THz) bands. These frequencies offer great opportu...

Optical frequency division via optical combs has enabled a leap in microwave metrology, leading to noise performance never explored before. Extending this method the millimetre-wave and terahertz-wave domains is of great interest. Dissipative Kerr solitons integrated photonic chips offer unique feature delivering with ultrahigh repetition rates from 10 GHz 1 THz, making them relevant gears for ...

An interferometric linear frequency modulated continuous wave (LFMCW) millimetre-wave radar is presented, along with the results of an experiment conducted to srudy the feasibility of using it in a ñirure millimetre-wave interferometric inverse synthetic aperture radar (InISAR) system. First, a description of the radar is given. Then, the signal processing chain is described, with special atten...

We demonstrate heterodyne mixing of a 94 GHz millimetre wave photonic signal, supplied by a Gunn diode oscillator, with coherent acoustic waves of frequency ~100 GHz, generated by pulsed laser excitation of a semiconductor surface. The mixing takes place in a millimetre wave Schottky diode, and the intermediate frequency electrical signal is in the 1-12 GHz range. The mixing process preserves a...

Access to an accurate small-signal equivalent circuit model is an important step in circuit design. Reliable small signal extraction procedures readily useable by the designer are now required in millimetre-wave designs because many foundry process development kits do not support millimetre wave frequency design. The extraction procedures successful at lower frequencies for lumped circuit extra...