Video | Business Headlines | Internet | Science | Scientific Ethics | Technology | Search

 

Research A Boost For Digital Data

Caption: Katharine Holdsworth: "Wireless data transmission is becoming the new international trend in progressing towards a 'knowledge economy' and advancing the e-commerce industry."

From the Foundation for Research, Science and Technology For immediate release

RESEARCH A BOOST FOR DIGITAL DATA

Research by former Canterbury University student Katharine Holdsworth is paving the way for enhanced digital wireless communications around the world.

Dr Holdsworth looked at how she could improve methods of digital wireless transmission for Lower Hutt company DMC Stratex Networks. Her research has provided the firm with a better understanding of how digital data is transmitted and will lead eventually to smarter coding, with significant implications for the Internet.

Dr Holdsworth's project was supported by the Graduates in Industry Fellowship (GRIF) scheme of the Foundation for Research, Science and Technology. GRIF students do research projects with companies for their degrees. In her case it was for a PhD. Originally, from Gisborne, she is a graduate of the Electrical and Electronic Engineering School of the University of Canterbury.

"In wireless systems, the communications channel, or bandwidth, is essentially like a pipe through which you are trying to squeeze as much data as possible," says DMC's vice president of research and development, Royce Pullman.

"Using wider pipes is not necessarily the answer because it uses more of the radio spectrum, which is now a scarce and increasingly valuable resource.. The key to getting increasing amounts of information down that pipe lies in better coding and equalisation." Dr Holdsworth says communication technology is advancing phenomenally, "and has become an extremely important field of research and development".

"Originally communication was limited to a now-unacceptable quality of voice over an analogue telephone or radio network," she says. "But digital communication is superseding analogue, with overwhelming technological and economic advantages. Digital networks now successfully transmit high-integrity digital information as computer-generated and other forms of digitised data, such as audio and video." Demand is growing as digital transmission improves, with implications for the Internet because more data can be transmitted by wireless.

Dr Pullman says modulation,coding and equalisation are techniques that are now commonly used to improve the performance of digital microwave systems, but they are usually applied independently.

"What is unique about Katharine's work is that she has shown that further improvements can be gained by combining these techniques in a co-ordinated way," he says.

Dr Holdsworth says the growth in digital communication technology has benefited many communities.

"It has enabled them to use affordable, useful and valuable communication tools," she says. "Wireless data transmission is becoming the new international trend in progressing towards a 'knowledge economy' and advancing the e-commerce industry.

"Fixed-access wireless systems operating alone or with others will play a vital role in this trend and are being viewed as a viable means of providing broadband access to homes and businesses." But more advances in signal processing, modulation, coding and radio-frequency technologies will be needed, she says.

-ends-

Contact: * Dr Katharine Holdsworth. E-mail: kholdsworth@hotmail.com * Dr Royce Pullman, vice-president of research and development, DMC Stratex Networks, 24 Bridge St, Lower Hutt. Ph: (04) 569-2170. E-mail: royce_pullman@dmcwave.com * Nigel Metge, Technology New Zealand at the Foundation for Research, Science and Technology (Auckland Office), (09) 912-6730, or 021 454-095.

Web: www.technz.co.nz

Prepared on behalf of the Foundation for Research, Science and Technology by ID Communications. Contact: Ian Carson (04) 477-2525.

E-mail: ian@idcomm.co.nz


© Scoop Media

 
 
 
Business Headlines | Sci-Tech Headlines

 

Ground Rules: Government Moves To Protect Best Growing Land

“Continuing to grow food in the volumes and quality we have come to expect depends on the availability of land and the quality of the soil. Once productive land is built on, we can’t use it for food production, which is why we need to act now.” More>>

ALSO:

Royal Society: Calls For Overhaul Of Gene-Technology Regulations

An expert panel considering the implications of new technologies that allow much more controlled and precise ‘editing’ of genes, has concluded it’s time for an overhaul of the regulations and that there’s an urgent need for wide discussion and debate about gene editing... More>>

ALSO:

Retail: Card Spending Dips In July

Seasonally-adjusted electronic card spending dipped in July by 0.1 percent after being flat in June, according to Stats NZ. Economists had expected a 0.5 percent lift, according to the median in a Bloomberg poll. More>>

ALSO:

Product Stewardship: Govt Takes More Action To Reduce Waste

The Government is proposing a new way to deal with environmentally harmful products before they become waste, including plastic packing and bottles, as part of a wider plan to reduce the amount of rubbish ending up in landfills. More>>

ALSO:

Earnings Update: Fonterra Sees Up To $675m Loss On Writedowns

“While the Co-op’s FY19 underlying earnings range is within the current guidance of 10-15 cents per share, when you take into consideration these likely write-downs, we expect to make a reported loss of $590-675 million this year, which is a 37 to 42 cent loss per share." More>>

ALSO: