In an article entitled "Will ADSL Outpace ISDN In Telecom Race?" -
techweb.cmp.com
by Joe Rudich, Mr. Rudich states that Alcatel favored CAP. The following is directly from the article.
" There also is contention between two modulation techniques for
ADSL transmission, Carrierless Amplitude Phase (CAP) and
Discrete Multitone (DMT). The American National Standards
Institute (ANSI) has anointed DMT as a North American
standard, and it is favored by manufacturers such as Amati
Communications Corp., Aware and Motorola. CAP, however,
remains the favorite of several telecommunications technology
developers, including Alcatel Telecom, Lucent Technologies,
Paradyne Corp. and Westell Technologies. CAP, in fact, is the
technique used in Chicago-area trials involving Ameritech and
IBM, which are by far the largest yet undertaken with ADSL. If a
clear standard does not emerge, a user will need to verify that he
or she is using the same type of ADSL as his or her service
provider, online service or office in order to connect."
I wrote Mr. Rudich questioning this (Alcatel favoring CAP) and received the following reply which he agreed could be posted.
><< Alcatel has actually favored DMT, and it was my error to include them
>among developers favoring CAP. I regret the mistake!
>
> Joe Rudich >>
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