Articles
Testing interference in a wireless environment
With the growing scarcity of radiofrequency spectrum and ongoing efforts to improve its use, wireless communication systems must now operate under a limited amount of radio interference. [ + ]
Are headsets causing you harm?
The headsets used in control centres may be causing injury to hearing health, such as tinnitus, acoustic shock and hearing loss. [ + ]
Adapting RFID to identify and monitor human activity
Computer scientists are adapting RFID and sensor technologies to attach to used objects around the home to keep the elderly living independently and safely. [ + ]
Communication critical for underground miners’ safety
After disasters such as the Beaconsfield mine collapse, safety of underground miners has been in the spotlight. One way to improve miners’ safety is to provide radio communications between workers underground and the ones on the surface. [ + ]
Increasing efficiency of wireless networks
A method developed by researchers at UC Riverside could have broad impacts on the mobile internet and wireless industries by doubling the efficiency of wireless networks. [ + ]
Recharging our batteries
Mike Smyth recalls the days when he would take his accumulator to the local bike shop for recharging. [ + ]
Does RoIP add value to two-way radio?
RoIP is very similar to VoIP with both technologies using a network, usually the internet. It can replace leased lines and wireless links and can even enhance interoperability. [ + ]
Using TETRA to generate more than just voice
Delegates on the Australian TETRA Tour were interested in how they can use TETRA to generate revenue, according to Phil Kidner. [ + ]
Bandwidth: just how much is enough?
Ian Miller responds to the ACMA’s approach to the emergency services spectrum and asks whether 10 MHz is really enough for public safety broadband. [ + ]
ACMA’s approach to the emergency services spectrum
The authority fights back at claims that it is putting lives at risk through its approach to spectrum needs of public safety agencies. [ + ]
ARCIA launches new-look website
It is a busy time of year for the association, with events coming up, projects being unveiled and a new website. [ + ]
Zetron coordinates communications with world’s longest trains
Eight Zetron DCS-5020 Digital Consoles are used to expedite an R3.6m upgrade to the 861 km freight line which transports over 60 million tonnes of iron ore every year between mines in the Northern Cape and the deep water port of Saldana in South Africa. More than 3.5 km long, the trains that carry the export iron ore on the line are the longest in the world. [ + ]
Does radio need a paternity test?
Mike Smyth delves into history and asks the question, who was the true inventor of radio? Marconi or Tesla? [ + ]
Field-proven emergency communications for Arkansas Regional Airport
The Arkansas Airport Operators Association (AAOA) in the USA is responsible for most of the 91 airports in Arkansas. The Assistant Airport Director, Mark Mellinger, recognised the need for a reliable airport-centric emergency communications system that was not reliant on infrastructure and would allow communications of both voice and data. [ + ]
We’ve set the dishes in motion - our eyes are on the sky
The first phase of the SKA, the ASKAP telescope, has been officially opened and has started sending data from our skies. [ + ]