Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Coding technique in discrete multi-tone (DMT) based communications systems










Image Number 10 for United States Patent #6580761.

In an Asymmetric Digital Subscriber Loop (ADSL) Discrete Multi-Tone (DMT) system, ADSL DMT equipment includes an encoder that operates on a DMT input signal representing .function. symbols/sec. to generate, for transmission, a DMT output signal representing N.function. symbols/sec., where N>1, and where each symbol from the DMT input signal is generated in a redundant form in the DMT output signal. In one example of a redundant form, each symbol from the DMT input signal is repeated in N consecutive symbol intervals in the DMT output signal. In another example of a redundant form, every N DMT input symbol values are transmitted in 2N consecutive symbol intervals in the DMT output signal. These 2N consecutive symbols in the DMT output signal include 1) N symbols whose values equal the respective N DMT input symbol values and 2) N symbols whose values are a function of the respective N DMT input symbol values.








 
 
  Recently Added Patents
Power consumption management in a MIMO transceiver and method for use therewith
Enzymatic demethylation of flavonoids
Attribute information providing system
High gradient lens for charged particle beam
Storage system comprising multiple microprocessors and method for sharing processing in this storage system
Silicon carbide substrate, epitaxial wafer and manufacturing method of silicon carbide substrate
High electron mobility transistor and manufacturing method thereof
  Randomly Featured Patents
Decorative candle and method of manufacture therefor
.beta.-galactosidase substrates for cedia
Process for treating knits containing polyester bicomponent fibers
Third generation FDD modem interleaver
Photoprinting on metal and similar substrates
Non-volatile trench semiconductor device having a shallow drain region
High density card retention device
Exercise mode automatic identification method
Low inductance GTO switching circuit for an inverter
Temperature measuring arrangement