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EDN Europe's Editor Graham Prophet posts a selection of comments and insights prompted by the many items of industry news and rumour that cross the editorial desk or are gathered on his frequent travels to interviews, press conferences and events around Europe - and further afield - and somehow never find their way to the magazine or the web site, recovering some of the information otherwise lost in the noise level...

Thursday, August 21, 2008

WiMax on one page

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Need something new to brighten the wall above your bench? Baffled by the intricacies of the WiMax modulation scheme? Keithley Instruments will mail you a poster that illustrates the key measurement tools and software analysis techniques required for measuring complex WiMAX signals.
The poster outlines signal creation and analysis of WiMAX signals. WiMAX – “arguably the most complex modulation scheme in the world,” Keithley suggests – encompasses multiple technologies including bandwidths in excess of 20MHz, configurations with more than 2000 subcarriers, high peak-to-average power ratios, and both SISO and MIMO radio configurations – which is why a T&M manufacturer is keen to show it has the wherewithal to generate and analyse signals in the WiMax standard. You get some mugshots of the company’s relevant instruments, of course, but also a colourful single-sheet summary of the main elements involved in both assembling a meaningful (in test terms) WiMax signal, and in inspecting it to characterise the performance of a WiMax link. Get your poster here, or you could just set this press-release jpeg as your PC desktop.

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