Inventor

LONG GUOZHU

US57 patents

⚠️ This page may combine multiple inventors who share the name “LONG GUOZHU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LONG GUOZHU

CENTILLIUM COMMUNICATIONS INC

Transceiver training for DSL modems under TCM-ISDN interference

Lower-complexity peak-to-average reduction using intermediate-result subset sign-inversion for DSL

Dual-mode analog/digital adaptive echo cancellation in communication systems with asymmetric spectrum

Framing techniques for ADSL systems

Equalizer training for ADSL transceivers under TCM-ISDN crosstalk environment

Method and apparatus for timing recovery in ADSL transceivers under a TCM-ISDN crosstalk environment

Transmit power control for DSL modems in splitterless environment

Techniques to avoid G.HS false start due to FEXT

Receiver transparent quiescent mode operation in a DSL transmission system

Synchronizing initial handshake in ADSL annex C to TTR

Method and apparatus for timing recovery in ADSL transceivers under a TCM-ISDN crosstalk environment

Synchronizing ADSL Annex C transceivers to TTR

FUTUREWEI TECHNOLOGIES INC

Peak-to-average power ratio (PAPR) reduction in fronthauls

Method for accurate distribution of time to a receiver node in an access network

Bivariate histogram for impulse noise monitor

Reduced power consumption for digital signal processing (DSP)-based reception in time-division multiplexing (TDM) passive optical networks (PONs)

Reducing the feedback overhead during crosstalk precoder initialization

Method for robust crosstalk precoder training in channels with impulse noise

Reducing the feedback overhead during crosstalk precoder initialization

HUAWEI TECH CO LTD

Method, apparatus, and system for time synchronization

Signal processing method in DSL system, apparatus, and system

Clock synchronization method, apparatus, and system

Method, apparatus, and system for time synchronization of XDSL

CENDRILLON RAPHAEL JEAN

Reducing the feedback overhead during crosstalk precoder initialization

Method for robust crosstalk precoder training in channels with impulse noise

Configuring the virtual noise parameters of a digital subscriber line

Optimizing the transmit power spectrum density (PSD) of a remotely deployed line to ensure spectral compatibility

XU GUIJIN

Method, apparatus, and system for time synchronization

Clock synchronization method, customer premises equipment and clock synchronization system

Method, apparatus, and system for time synchronization of XDSL

CIRRUS LOGIC INC

Precoding coefficient training in a V.34 modem

Device, system, and method for modem communication utilizing two-step mapping

Device, system, and method for modem communication utilizing DC or near-DC signal suppression

LONG GUOZHU

Extremely high speed broadband access over copper pairs

Power reduction for digital subscriber line

Power reduction for digital subscriber line

CODEX CORP

Fast training echo canceller

Device and method for linear listener echo cancellation

MOTOROLA INC

Device and method for linear listener echo cancellation

Device and method for utilizing zero-padding constellation switching with frame mapping

CENTILLIUM TECHNOLOGY

Time-multiplexed transmission on digital-subscriber lines synchronized to existing TCM-ISDN for reduced cross-talk

INTEL CORP

Synchronization techniques using an interpolation filter

CENTILLIUNE COMMUNICATIONS INC

Loop diagnostics for ADSL systems

XIAO RUIJIE

Power efficiency of a line driver

WEI DONG

Method for accurate distribution of time to a receiver node in an access network

IKANOS COMM INC

ISDN crosstalk cancellation in a DSL system

IKANOS COMMUNICATIONS INC

Efficient implementation of low power mode in digital subscriber line (DSL) transceivers

SUNMAN HONG KONG LTD

Photovoltaic assembly

GUPTA SANJAY

Dynamic transmitter noise level adjustment for digital subscriber line systems

LI CHENG

Method, device and system for extending channels