Centillium Communications, Inc.

Centilliune Communications, Inc.

Syed Abbas

Guozhu Long

Steven R Blackwell

Jalil Kamali

Farrokh Rashid-Farrokhi

A method for preventing false starts during a handshake session involves the use of service identifiers for modem devices. The identifications are provided to one another for subsequent communication. To commence communications, a local device generates a request signal to initiate a handshake session. The request signal includes an identification unique to the remote device. The remote device receives the request and verifies the identification. The remote device then sends a response, which may optionally include an identification unique to the local device. The local device receives the response and verifies the identification before completing the handshake session.

Techniques to avoid G.HS false start due to FEXT

Operation of a digital subscriber line system in a power saving quiescent mode is described. A quiescent mode (Q-mode) is entered into from a steady-state or normal operation mode in which payload data is transmitted when criteria indicates that the transmitter has stopped transmitting payload data for a certain time period but that the current transmission session has not ended. A Q-mode signal is generated that uses constellation points that are used in the payload carrying state. The peak-to-average ratio (PAR) of the signal is also minimized by a PAR minimization method to find a combination of these constellation points satisfying a PAR threshold.

Receiver transparent quiescent mode operation in a DSL transmission system

Framing techniques for ADSL systems that allow programmable fixed overhead efficient framing and seamless rate changes.

Framing techniques for ADSL systems

The present invention provides techniques for performing loop diagnostics in DSL communication systems.

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Fremont, CA, United States of America

Syed Abbas