Abstract
Even to the casual observer, it is clear that the broadband revolution is at hand. High-speed Internet access is commonplace in the workplace and many homes have high-speed Internet access through cable modems or Digital Subscriber Lines (DSL).1 Handheld wireless devices, including cell phones, now support limited e-mail and web access. Nevertheless, the revolution has not been instantaneous: consumers cannot simply write a check for the bandwidth they desire, but are dependent on the infrastructures put in place by the service providers in their area. In some instances they are able to choose between high-speed cable modem access offered by a cable operator, and wireline or wireless DSL services offered by an incumbent or entrant telephone company. In other cases they may be offered one service but not the other. In some areas, the only practical means of connecting to the Internet is through a dial-up modem2.
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As of June 2000, approximately 2.3 million cable modems were deployed in the United States. Kinetic Strategies, Inc., Cable Modem Market Stats and Projections, Cable Datacom News, Aug. 16, 2000, available at: <http://cabledatacomnews.com/cmic/cmicl6.html>. The U.S. has a total of 78 million cable subscribers according to Cahner-in-Stats. The number of DSL subscribers at year end of 1999 was 0.54 million, and is expected to be 1.84 million by year end 2000. Brian Gilman, Why Isn’t High-Speed Here Yet? Part 2: DSL, E-marketer, May 15, 2000, available at: <http://www.emarketer.com/enews/051500_dsl.html> Data on overall telephone subscriber population is from Statistical Abstracts of the United States (U.S. Department of Commerce, Oct. 1999). Hughes Direct offers satellite access nationwide at 400 kbs downstream, but requires a telephone return path using a standard modem.
As of June 2000, approximately 44% of U.S. cable subscribers had access to cable modem service. Kinetic Strategies, Inc., Cable Modem Market Stats and Projections, Cable Datacom News, Aug. 16, 2000, available at: <http://cabledatacomnews.com/cmic/cmicl6.html>. Thirty one million subscribers, approximately 30% of the telephone subscriber population, are projected to have access to DSL by end of year 2000. Brian Gilman, Why Isn’t High-Speed Here Yet? Part 2: DSL, e-Marketer, May 15, 2000, available at: <http://www.emarketer.com/enews/051500_dsl.html>. See also the FCC’s second report on the availability of High-Speed and advanced telecommunications services “Second Section 706 Report,” available at: <http://www.fcc.gov/Bureaus/Common_Carrier/Orders/2000/fcc00290.pdf>.
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As the FCC put it recently: “Service providers are deploying a variety of networks that rely on different network architectures and transmission paths, including copper wire, cable, terrestrial wireless radio spectrum, satellite radio spectrum, or a combination of these and other media, to provide high-speed services. In the coming years, analysts predict rapid growth in subscribership of high-speed services provided using each of these technologies.” Inquiry Concerning High-Speed Access to the Internet Over Cable and Other Facilities, GN Docket No. 00-185, FCC 00-355, released Sept. 28, 2000, at paras. 6 and 7.
The FCC defines “broadband” communications as those permitting sustained data transfer rates of 200 Kbps in both upstream and downstream directions. See the FCC’s initial “Section 706 Report.” FCC, Inquiry Concerning the Deployment of Advanced Telecommunications to All Americans, 14 FCC Red 2398, 2406 (1999).
Moore’s Law refers to Gordon Moore’s prediction that the semiconductor industry would be able to achieve a doubling in density in the number of transistors on an integrated circuit every 18–24 months. A discussion of Moore’s Law as applied to bandwidth is presented later. It can also be found in the article by C. Eldering, et al., Is There a Moore’s Law for Bandwidth, IEEE Communications Mag., Oct. 1999, at 117–21.
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There are numerous types of delay and echo which can occur. Packetization delay, the time required to fill a packet with voice samples from a subscriber, can be significant, and when combined with coupling between the speaker apparatus and microphone at the subscriber location can result in annoying echo. Echo cancellation technology can be used to mitigate these effects. Transmission delay can also become an issue in some networks, and if the delay is appreciable (e.g. 500 ms or longer) the one- way delay in itself (absent echo) is perceivable and annoying. For a further discussion of delay in the local loop see C. A. Eldering & A. Martin, System Specification and Requirements for Fiber in The Loop Systems, 1786 SPIE Proceedings 156–65 (1993). One-way delay and user perception of such delays is discussed in N. Kitawaki & K. Itoh, Pure Delay Effects on Speech Quality in Telecommunications, 9 IEEE J. on Selected Areas in Communications 586, 586–93 (1991).
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Eldering, C.A. (2001). Technology and Competition: A Five-Year Outlook for The Telecommunications Marketplace. In: Eisenach, J.A., May, R.J. (eds) Communications Deregulation and FCC Reform: Finishing the Job. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-1521-0_3
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