A practical ADSL technology following a decade of effort

Reusens, P.; Bruyssel, Danny Van; Sevenhans, J.; Bergh, Sidney van den; Nimmen, B. Van; Spruyt, P.

doi:10.1109/35.956126

Cited by 8 publications

(3 citation statements)

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“…Amongst these competing technologies, fiber was initially perceived as superior, as it enabled the fastest data transmission. ADSL on the other hand turned out to be more cost effective as it allows for the simultaneous transmission of digital data and voice over the existing twisted copper pair (Reusens, et al, 2001). The initial idea of ADSL dates back to 1979 (see figure 1) when Cioffi first introduced computations that suggest more capacity by using copper wire, and the early 1980s when Lechleider advanced asymmetry as an additional way to increase capacity (of copper based digital subscriber lines).…”

Section: Resultsmentioning

confidence: 99%

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Proceedings of the 18th Annual High Technology Small Firms Conference

2010

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Much of the opportunity assessment literature focuses on evaluating a single opportunity rather than multiple opportunities. However, discussions with entrepreneurs, as well as personal experience, suggests that many entrepreneurs have multiple opportunities that they are screening in parallel. As such, the challenge is to assess each opportunity for its viability individually and against other opportunities under review. A second challenge is retaining objectivity in the opportunity assessment process. More than one entrepreneur, including one of the authors, spoke of how particular opportunities resonated with them, even before any research had been conducted. If entrepreneurs have a means to evaluate multiple opportunities objectively, they will have a much more realistic view of which opportunities have the highest potential for success.The authors explored how opportunities are analyzed, then modeled the process for multiple opportunities and developed a heuristic to assist entrepreneurs with the effort. The Multiple Opportunity Analysis Process (MOpA © ) was pre-tested with students in undergraduate and postgraduate entrepreneurship courses, and with entrepreneurs. After making appropriate changes, a single case study was conducted in which one entrepreneur's multiple opportunities were assessed. The heuristic proved to be viable at narrowing the opportunities quickly to a much smaller set, as well as identifying the best alternative.To the authors' knowledge, this heuristic is the only one of its type, and, with further testing, may hold significant value for the field.

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Section: Resultsmentioning

confidence: 99%

“…Which relied heavily on copper wires and focused on voice transmission (for an overview of different technological platforms, seeGinsburg, 1999; Goralski, 2002;Reusens, et al, 2001;Van der Plas, Smets, Suard, & Verbiest, 1995) 3 Alcatel engaged in a formal R&D collaboration with Bellcore in 1989.…”

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confidence: 99%