Patent application number | Description | Published |
20100316112 | COMMUNICATION SIGNAL RECEIVER AND SIGNAL PROCESSING METHOD THEREOF - A communication signal receiver includes an adder, a slicer, and an infinite impulse response (IIR) filter. The adder performs an addition on a first signal and a filtered signal to generate an output signal. The slicer performs a hard decision on the output signal to generate a detecting result. The IIR filter is coupled to the slicer and the adder for processing the output signal to generate the filtered signal. The communication signal receiver further includes a decoder. The decoder receives and decodes the output signal to generate a decoded output signal, wherein the decoder is a Viterbi decoder. | 12-16-2010 |
20110249592 | NETWORK CONNECTION METHOD WITH AUTO-NEGOTIATION MECHANISM, NETWORK APPARATUS HAVING AUTO-NEGOTIATION MECHANISM AND NETWORK CONNECTION METHOD - A network connection method with an auto-negotiation mechanism is applied to a first network apparatus, where the first network apparatus supports a plurality of connection modes, and the method includes: transmitting a plurality of indication signals to a second network apparatus to prepare to establish a link between the first network apparatus and the second network apparatus, where the plurality of indication signals correspond to the plurality of connection modes respectively; counting a number of times that the first network apparatus enters a transmit disable state to generate a counting value; and when the counting value reaches a threshold value, disabling a specific connection mode of the plurality of connection modes supported by the first network apparatus. | 10-13-2011 |
20120134372 | NETWORK DEVICE AND NETWORK CONNECTING METHOD - A network device includes a first transceiver unit, a second transceiver unit and a control unit. The first transceiver unit is utilized for processing a data corresponding to a first physical (PHY) layer via a first interface. The second transceiver unit is utilized for processing a data corresponding to a second PHY layer via a second interface. The control unit is utilized for processing a data corresponding to a media access control (MAC) layer, wherein the control unit connects with at least one of the first transceiver unit and the second transceiver unit with reference to a connection scheme. | 05-31-2012 |
20120134406 | Communication System and Method for Cancelling Timing dependence of Signals - In a communication system, a timing-dependence cancelling module is included for cancelling timing-dependence of a transmission signal, so as to render a timing-dependent signal be capable of being utilized on communication systems. Besides, updating an echo cancelling parameter by applying an error difference variable and a data difference variable, or by directly decreasing a step-size coefficient, may also fulfill the purpose of reducing or eliminating timing dependence in a transmission signal of a communication system. | 05-31-2012 |
20120137151 | NETWORK DEVICE AND NETWORK CONNECTING METHOD FOR SUPPORTING POWER SAVING MECHANISM THROUGH AUTO-NEGOTIATION OF HDMI - A network device, for supporting a power saving mechanism through an auto-negotiation of HDMI, includes a transmitting circuit and a receiving circuit. The transmitting circuit is arranged for generating a link pulse signal to a second network device, wherein the network device and the second network device perform the auto-negotiation of a network connection by using the link pulse signal through HDMI in order to support the power saving mechanism. After the receiving circuit of the network device receives another link pulse signal transmitted from the second network device through HDMI, the network device is controlled to be operated under the power saving mechanism. | 05-31-2012 |
20120137156 | CONTROLLING CIRCUIT WITH POWER SAVING MECHANISM AND ERRONEOUS WAKE-UP PREVENTING MECHANISM AND METHOD THEREOF - A controlling circuit supporting a power saving mechanism includes: a transmitting interface arranged to perform a signal transmission with a specific controlling circuit; and a setting unit coupled to the transmitting interface. The setting unit is arranged to control the specific controlling circuit to operate in the power saving mechanism. | 05-31-2012 |
20120137162 | NETWORK DEVICE AND NETWORK CONNECTING METHOD FOR BUILDING UP NETWORK CONNECTION VIA HIGH DEFINITION MULTIMEDIA INTERFACE - A network device for building up a network connection via a high-definition multimedia interface, includes a scrambler, a descrambler, a comparator and a control unit. The scrambler is utilized for generating a transmission signal according to a first seed. The descrambler is for decoding a receiving signal to generate a second seed. The comparator is for generating a comparing result according to the first seed and the second seed. The control unit is for controlling the network connection according to the comparing result. | 05-31-2012 |
20120170735 | COMMUNICATION APPARATUS FOR RAPIDLY ADJUSTING ANALOG ECHO CANCELLATION CIRCUIT AND RELATED ECHO CANCELLATION METHOD - A communication apparatus is disclosed including: an analog-front-end circuit for receiving and processing an analog input signal; an analog-to-digital converter (ADC) coupled with the analog-front-end circuit for converting processed signal from the analog-front-end circuit into a digital input signal; and a control unit coupled with the ADC for adjusting at least one resistance and/or at least one capacitance in an analog echo cancellation circuit according to the digital input signal before the analog-front-end circuit receives a training sequence that is the first training sequence transmitted from a second communication apparatus after the second communication apparatus begins communicating with the communication apparatus. | 07-05-2012 |
20120213306 | APPARATUS AND METHOD FOR CROSS CLOCK DOMAIN INTERFERENCE CANCELLATION - An apparatus and method for cross clock domain interference cancellation is provided to a communication system which includes a transmitter operated in a first clock domain and a receiver operated in a second clock domain. The apparatus comprises a First-In-First-Out (FIFO) circuit and a cancellation signal generator. The FIFO circuit receives a digital transmission signal of the transmitter in the first clock domain, and outputs the digital transmission signal in the second clock domain according to an accumulated timing difference between the first and second clock domains. The cancellation signal generator generates a cancellation signal for canceling an interference signal received by the receiver according to the digital transmission signal outputted by the FIFO circuit. The interference signal is generated in response to the digital transmission signal. The cancellation signal generator adjusts the cancellation signal according to a phase difference between the interference signal and the cancellation signal. | 08-23-2012 |
20140029691 | Communication System and Method for Cancelling Timing dependence of Signals - In a communication system, a timing-dependence cancelling module is included for cancelling timing-dependence of a transmission signal, so as to render a timing-dependent signal be capable of being utilized on communication systems. Besides, updating an echo cancelling parameter by applying an error difference variable and a data difference variable, or by directly decreasing a step-size coefficient, may also fulfill the purpose of reducing or eliminating timing dependence in a transmission signal of a communication system. | 01-30-2014 |
20140126444 | Energy efficient network communication device and method - The present invention discloses an energy efficient network communication device comprising: a media-access-controller for outputting a transmission-end low power idle (LPI) indication and receiving a reception-end LPI indication; a media-independent-interface for generating a transmission-end LPI signal according to the transmission-end LPI indication, and generating the reception-end LPI indication according to a reception-end LPI signal; and a physical-layer-circuit, coupled to several pairs of transmission lines, for converting the transmission-end LPI signal into a transmission signal to send it to a reception end for requesting an LPI mode and receiving a reception signal from the reception end to convert it into the reception-end LPI signal. Said physical-layer-circuit uses some of the several pairs of transmission lines for transmission and reception when keeping the other pairs of transmission lines unused to save power; furthermore, the physical-layer-circuit can enter the LPI mode from an idle mode for additional power saving. | 05-08-2014 |
Patent application number | Description | Published |
20100165865 | NETWORK INTERFACE APPARATUS WITH POWER MANAGEMENT AND POWER SAVING METHOD THEREOF - Network interface apparatus with power management is disclosed, which comprises a physical layer circuit, for receiving a packet on a network; a media access control circuit, for performing the media access processing on the packet to output a processed packet; an interface circuit, coupled to the media access control layer, for transmitting the processed packet to a bus; a detecting circuit, coupled to the physical layer circuit, for detecting a transmitting status of the packet on the network to output a detecting signal; a loading control circuit, coupled to the detecting circuit, for control a load positioned in the interface circuit according to the detecting signal. | 07-01-2010 |
20120213256 | TRANSCEIVER DEVICE AND RELATED METHOD THEREOF - A transceiver device includes a transmitting unit, a receiving unit, and a detection unit. The transmitting unit transmits a first packet; the receiving unit receives a second packet and at least one receiving parameter; the detection unit is coupled to the transmitting unit and the receiving unit, and detects the first and the second packets to adjust the receiving parameter. When the detection unit detects that the first and the second packets are substantially the same, the detection unit pauses adjusting the receiving parameter. | 08-23-2012 |
Patent application number | Description | Published |
20080250258 | NETWORK PROCESSOR AND ENERGY SAVING METHOD THEREOF - A network processor includes a transceiver circuit, a network data processing unit, and a clock signal control unit. The transceiver circuit transmits and receives a network signal, compares a voltage level of the network signal with a threshold value, outputs a comparison result, and operates under a first clock signal. The network data processing unit is coupled to the transceiver circuit to process the network signal, and operates under a second clock signal different from the first clock signal. The clock signal control unit disables supply of the second clock signal to the network data processing unit when the voltage level is smaller than the threshold value, and enables supply of the second clock signal to the network data processing unit when the voltage level is not smaller than the threshold value. An energy saving method for a network processor is also disclosed. | 10-09-2008 |
20080256588 | Integrated digital broadcasting receiver system - An audiovisual processing system comprises a signal receiving circuit and a host device. The signal receiving circuit comprises a tuner and a demodulator. The tuner generates a tuned signal based on a radio frequency signal. The demodulator generates a digital signal based on the tuned signal, generates a frequency down-converted signal based on the digital signal, generates an audio processing signal based on the frequency down-converted signal in an audio processing mode, generates a demodulated video signal based on the frequency down-converted signal in a video processing mode, generates an output signal based on the audio processing signal in the audio processing mode, and generates the output signal based on the demodulated video signal in the video processing mode. The host device receives the output signal, and generates a demodulated audio signal based on the output signal in the audio processing mode. | 10-16-2008 |
20090135962 | Digital slicing device - A digital slicing device is provided for making a numerical value determination with respect to an inputted modulated symbol so as to output a corresponding symbol. The digital slicing device includes a demodulating unit, a slicing unit and a re-modulating unit. The demodulating unit is for collecting at least two successive modulated symbols and for demodulating the two modulated symbols according to a modulation algorithm so as to generate two demodulated symbols. The slicing unit is for rounding the two demodulated symbols so as to generate two rounded demodulated symbols. The re-modulating unit is for re-modulating the two rounded demodulated symbols according to the modulation algorithm so as to generate two re-modulated symbols corresponding to the two modulated symbols. The two modulated symbols are generated simultaneously through conversion using the modulation algorithm. | 05-28-2009 |
20090161803 | Receiver and gain control method thereof - An analog and digital auto-gain control method includes the steps of: providing a gain-mapping table; determining an analog gain level according to power of a far-end transmitted signal; obtaining a gain-mapping value from the gain-mapping table according to the analog gain level; obtaining a digital gain value according to the gain-mapping value; and adjusting a gain of a digital signal according to the digital gain value. A receiver that performs the auto-gain control method is also disclosed. | 06-25-2009 |