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Traditionally, copper network operators complement a fiber-to-the-home (FTTH) strategy with a hybrid fiber-copper deployment in which fiber is gradually brought closer to the consumer, and digital subscriber line (DSL) technology is used for the remaining copper network. In this article we propose the system concepts of XG-FAST, the 5th generation broadband (5GBB) technology capable of delivering...
Precoding is a technique that counteracts the crosstalk in downlink digital subscriber line (DSL) transmission. While linear precoding is adequate in the VDSL2 technology because of the moderate crosstalk environment, this might no longer be the case in the G.fast technology, which uses higher frequencies and therefore is affected by higher crosstalk levels. In this contribution we compare linear...
Traditionally, copper network operators complement a Fiber-to-the-Home (FTTH) strategy with a hybrid fiber-copper deployment in which fiber is gradually brought closer to the consumer, and Digital Subscriber Line (DSL) technology is used for the remaining copper network. In this paper, we propose the system concepts of XG-FAST, a technology capable of delivering 10 Gb/s connection speeds over short...
We present an asymptotic two-dimensional rate-equation model for single-longitudinal mode semiconductor ring lasers. An analysis of this rate-equation model predicts several regions of operation, showing monostability, bistability, alternate oscillations, tristability and excitability. These operation regimes are interpreted in the asymptotic two-dimensional phase-space and are experimentally demonstrated...
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