Telecommunications
Weakness of 2G mobile phone networks revealed
20 Oct 2016A fast and relatively simple attack on second generation digital mobile phone communications highlights the need to update security on older mobile networks
A transistor for light
22 Apr 2014A high-performance ‘photonic transistor’ that switches light signals instead of electronic signals could revolutionize optical signal processing
Turning unused TV frequencies into wireless broadband
30 Jul 2013The Singapore White Spaces Pilot Group takes the nation’s capability in ‘white space’ wireless connectivity to a new level
Making long-haul, ultrahigh bandwidth more affordable
7 May 2013Researchers at A*STAR have made low-cost, ultrahigh-bandwidth telecommunication across continents a possibility through an innovative advance in silicon photonics
Perfecting plastic
25 Oct 2011The rate of data transmission over plastic optical fibers can be increased by controlling modal dispersion with simple and robust tapers on each end
Radios learn to share
8 Jun 2010Radios can broadcast over an already-used frequency without causing interference, by ‘studying’ existing transmissions