According to the July/August 2010 Lightwave magazine article “Testing PON devices with multiple kilometers of optical fiber,” the use of burst-mode data CDRs (BCDRs) in the latest...
Service verification for mobile wireless backhaul ensures a better customer experience for mobile users. The selection of the correct service verification tools plays a critical role in ensuring...
JULY 7, 2010 By Stephen Hardy -- Electric utilities have deployed fiber-optic networks for decades. So it’s no wonder that many utilities have looked to fiber optics to help enable their...
By Laura Martínez and Enrique Pellejer Overview Derived from stimulated Brillouin scattering, the Brillouin optical spectrum analysis technique enables phase and amplitude measurements...
By Daniel van der Weide Overview This article reviews both sampling and real-time techniques for signal conversion, compares many of the current instruments for measurement of complex...
By François Robitaille Overview The shift to more complex modulation formats for high-speed communications means a change in the way designers and network managers measure signal...
by Meghan Fuller Hanna Today's MSOs are taking advantage of access technologies like Switched Digital Video (SDV), DOCSIS 3.0, and RF over Glass (RFoG) to increase bandwidth to their subscribers...
by Reza Vaez-Ghaemi, Ph.D. Overview For Ethernet to become carrier grade, a number of improvements must be developed and deployed. This paper introduces operation, administration, and maintenance...
by Olivier Jerphagnon Overview Experience suggests that the next wave of network migration will bring its share of challenges and surprises. New breakthroughs such as in-service monitoring offer a...
by Meghan Fuller Hanna Overview It's hard to test phase-modulated signal formats with instruments designed for amplitude modulation. Help for technology developers may finally be on the way,...