Title:
MODEM FOR MULTISTANDARD DMT DSL TRANSMISSION SYSTEM
Document Type and Number:
Japanese Patent JP3969406
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a modem for a transmission system for enabling a single modem to effectively utilize a number of DSL standards with low complexity.
SOLUTION: A digital subscriber line transmission using QAM modulation on several equally spaced discrete tones, uses, at a high transmission rate, N=2048/p or 4096/p tones spaced by 4.3125p kHz, where (p) is a power of 2.
Inventors:
Mestodag Donisi. Je.
Farger Gerard
Isaacson Michael Earl.
Farger Gerard
Isaacson Michael Earl.
Application Number:
JP2004217121A
Publication Date:
September 05, 2007
Filing Date:
July 26, 2004
Export Citation:
Assignee:
STMicroelectronics Society Anonymous
International Classes:
H04J11/00; H04L27/26; (IPC1-7): H04J11/00
Domestic Patent References:
| JP3617453B2 | ||||
| JP10070517A | ||||
| JP10173625A | ||||
| JP10283341A | ||||
| JP9321809A | ||||
| JP64008750A | ||||
| JP10503624A |
Foreign References:
| WO1995028773A1 | ||||
| EP0853390A2 |
Attorney, Agent or Firm:
Keiichi Yamamoto
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