LANTIQ DEUTSCHLAND GMBH Patent applications |
Patent application number | Title | Published |
20160087677 | Low Power Modes for Data Transmission from a Distribution Point - Methods and devices are discussed where a common bit loading table is constructed from minimum gain from a plurality of bit loading tables for different combinations of lines being in a transmit or quiet mode. | 03-24-2016 |
20150261721 | Flow control between processing devices - Various apparatuses and methods are described relating to forwarding data from an auxiliary processing device to a main processing device. Depending on a load of the main processing device and on priority of the data, data may be selectively discarded or forwarded to the main processing device. | 09-17-2015 |
20140233940 | SYSTEM, METHOD & APPARATUS FOR A ROGUE OPTICS NETWORK UNIT - A device is provided that mitigates the effects of an optical network unit (ONU) that is in a rogue state. A main processor is arranged as part of a monolithic semiconductor chip, the main processor configured to process signals from an optical telecommunication connection. A laser driver controls a laser coupled to the laser driver. Hardware logic is arranged as part of the monolithic semiconductor chip and arranged physically separate from the main processor. The hardware logic independently effects the laser driver to turn the laser off or reduce power output of the laser significantly to mitigate the effects of the ONU in the rogue state. | 08-21-2014 |
20140140358 | Probe Frame for Single-Input Single-Output and Multi-Input Multi-Output - Described herein are implementations related to the generation of probe frames. In one implementation, a generated probe frame includes two symbols, where the two symbols are different. In one implementation, a first of the two symbols is a probe symbol and a second of the two symbols is a quiet symbol. | 05-22-2014 |
20140119536 | Spectrum Management - Various methods, techniques and devices are disclosed which optimize an output power spectral density taking properties and changes of crosstalk reduction like crosstalk precompensation into account. The techniques disclosed may for example be employed in distribution points of a communication system. | 05-01-2014 |
20140119419 | Channel Estimation - Methods and devices related to channel estimation for a communication system comprising a plurality of communication connections are provided. For channel estimation, test sequences are used having three different elements, for example −1, 0 and +1. | 05-01-2014 |
20140119386 | METHOD OF PACKET ENCAPSULATION FOR MULTI-SERVICE OPERATION FROM A DISTRIBUTION POINT - The present disclosure relates to a communication system which, in accordance with one exemplary embodiment, a communication network for providing network services to at least one network device and at least one distribution point (DP) coupled to at least one network backbone. The at least one network device is located remote from the DP and coupled to the at least one network backbone via the at least one DP. The at least one DP is configured to receive a plurality of data units from the at least one network backbone in accordance with one or more communication protocols. A plurality of data frames, each having a header portion and a payload portion, are generated and each one of the received data units are mapped into one or more payload portions of the plurality of data frames. One or more of the plurality of data frames are mapped to a payload portion of at least one data transfer unit (DTU), which is then communicated to the at least one network device. Furthermore, a corresponding method and an appropriate transceiver are described. | 05-01-2014 |
20140071997 | ROBUST PREAMBLE FOR COMMUNICATION OVER NOISY MEDIA - Described herein are techniques related to data communications using a data packet having at least one frame with a robust preamble for use over media having a high degree of non-stationary noise (e.g., impulsive noise). The described techniques employ a preamble with a structure having multiple transitions between the preamble sections. Each transition indicates the start of the upcoming frame. With the techniques described herein, if noise damages the transitions between such sections beyond recognition, the receiver can still determine the frame start time from the one or more of the undamaged transitions. Thus, the robustness of communications via the noisy media is significantly increased. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. | 03-13-2014 |
20130329816 | LOW POWER STATE FOR DSL SYSTEM AND DEVICES - Embodiments related to a power-saving state in DSL systems and devices are described and depicted. | 12-12-2013 |
20130316658 | Reconfigurable Communication Device and Method - A communication device includes a transmitter operable to couple to a plurality of transceivers via a plurality of transmission channels, transmit payload data via the plurality of transmission channels, and obtain monitored transmission conditions for one or more transmission channels in the plurality of transmission channels. During operation, the transmitter is further operable to generate reconfiguration request signals resultant from processing the monitored transmission conditions and transmit the reconfiguration request signals on transmission channels in the plurality of transmission channels. | 11-28-2013 |
20130294304 | POWER SAVING MODE FOR MULTI-CARRIER TRANSMISSION - Methods and communication devices are described where in a first transmission mode a set of carriers having different carrier frequencies is used for payload data transmission, and in a second transmission mode at least some of the carriers of the set of carriers are refrained from being used, and the transmission power is reduced. | 11-07-2013 |
20130287045 | HEADER ALIGNMENT IN COMMUNICATION SYSTEM - Representative implementations of devices and techniques provide communication between networked nodes operating on a communication network medium. In an implementation, a node generates a broadcast frame that includes at least a preamble and a payload. The preamble of the broadcast frame may include supplemental information. The supplemental information may be associated with one or more symbols of the preamble. The supplemental information may contain predetermined header information for use by nodes operating on the communication network medium. | 10-31-2013 |
20130272143 | Method For A Retransmission Roundtrip Correction - The present disclosure relates generally to communication systems and more particularly to Digital Subscriber Line (DSL) and wireless communication systems. One embodiment relates to a method of processing data in a communication system. In this method, a data stream is received by a transmitter and packaged into discrete data units prior to transmission. The size of a data unit depends upon the details of the embodiment, and is estimated by communication system prior to data transmission. Once a data unit is transmitted from the transmitter to the receiver, the receiver sends an acknowledgement that the data unit is received. Knowledge of the roundtrip time delay between transmission of the data unit and reception of the acknowledgement allows the communication system to determine an optimum data unit size to maximize throughput. Other methods and systems are also disclosed. | 10-17-2013 |
20130266024 | Methods for Controlling a Power State of a Network Entity - One embodiment of the present invention relates to a network system having a first device, a second device, and a third device. The first device is coupled to a far end of a first network. The second device coupled to a far end of a second network. The third device is coupled to a near end of the second network. The third device provides a state transition request via the second network to the second device and the second device causes a transition of state in the first device. | 10-10-2013 |
20130254618 | PADDING AFTER CHANNEL ENCODING REPETITION AND INTERLEAVING - Described herein are techniques related to the generation of data blocks that collectively include padding appended before a first or after a last of the data blocks. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. | 09-26-2013 |
20130208579 | COMMUNICATION METHOD, APPARATUS AND SYSTEM - Various embodiments are presented of a time sharing electronic communication system, including a central unit, a crosstalk channel, and communication units such as transceivers and remote terminals. Also presented are various methods for configuring and operating the elements of such a system to enhance communication between communication units within the system. In some embodiments, locally optimal configurations are pre-computed, stored in memory, and processed into time sharing information which is communicated to communication units. The time sharing information allows the communication units to transmit at times and power levels in such a manner as to enhance the communication within the system. In some embodiments, locally optimal configurations are computed, stored, and processing, substantially dynamically, allowing substantially real time adjustment of transmission times and power levels to enhance the communication within the system. | 08-15-2013 |
20130188655 | ENCAPSULATION OF DATA - An encapsulation apparatus for encapsulating data includes an input to receive the data, a machine to generate information related to the encapsulation of data and a logic coupled to the machine. A processing machine is coupled to the input and the logic. | 07-25-2013 |
20130151844 | Method and Apparatus for Secure Setup of an Encrypted Connection between Two Communication Devices - An electronic device includes a first connection interface and a second connection interface. The first connection interface is operable to exchange security information with another electronic device for use in encrypting data transmissions with the other electronic device. The first connection interface is inoperable to communicate payload data encrypted using the security information. The second connection interface is different than the first connection interface and operable to securely communicate payload data with the other electronic device over an unsecure medium in accordance with the security information exchanged via the first connection interface. | 06-13-2013 |
20130142186 | WIRELESS NETWORK AND ACCESS POINT FOR A WIRELESS NETWORK - Embodiments related to Wireless Networks and access points for a Wireless Network are described and depicted. | 06-06-2013 |
20130124764 | METHOD OF TRANSACTION AND EVENT ORDERING WITHIN THE INTERCONNECT - The disclosure includes embodiments that apply to an interconnect architecture having multiple system masters and at least one shared resource. The disclosure provides a system and method for providing synchronization for transactions in a multi-master interconnect architecture that employs at least one shared resource, or slave component. | 05-16-2013 |
20130058430 | Trellis modulation protocols for a VDSL system - A new protocol is proposed for transmission of data through lines such as telephone lines. The tones of a signal are grouped, and Trellis encoding is performed only of the members of a group. The computational cost of coding and decoding the data is reduced (compared to treating all the tones of a given direction equivalently), and the invention makes it possible to significantly reduce the computational and memory requirements of the encoder and decoder. Furthermore, Trellis decoding errors are not propagated between the groups. | 03-07-2013 |
20130058237 | METHOD AND SYSTEM FOR A FLEXIBLE LOW POWER MODE - What is disclosed is a method for transmitting DSL data including establishing a communication link between a first unit and a second unit, the communication link selectively operable according to one of a plurality of management states, each of said management states defined by at least one fixed control parameters associated with a predetermined value. The method also includes initiating operation of the communication link according to a first management state; transmitting from the first unit a request to the second unit to modify said predetermined value; and implementing the request while said link is operating according to the first management state. | 03-07-2013 |
20120324554 | AUTOMATIC DEVICE PAIRING - One embodiment relates to a security apparatus. The apparatus includes a security controller. The security controller is within a secure domain. The controller is configured to receive a trigger event from a first device outside the secure domain and a second trigger event. The controller is configured to automatically generate a secure password from a provisional password using a secure password provisioning protocol in response to the first trigger event and the second trigger event. The controller is also configured to pair the first device with the secure domain by establishing secure communications using the secure password. | 12-20-2012 |
20120317360 | Cache Streaming System - A system, having a stream cache and a storage. The stream cache includes a stream cache controller adapted to control or mediate input data transmitted through the stream cache; and a stream cache memory. The stream cache memory is adapted to both store at least first portions of the input data, as determined by the stream cache controller, and to further output the stored first portions of the input data to a processor. The storage is adapted to receive and store second portions of the input data, as determined by the stream cache controller, and to further transmit the stored second portions of the input data for output to the processor. | 12-13-2012 |
20120281738 | Method and Apparatus for Vectored Data Transmission - In some embodiments, sequences of pilot signals on different communication channels of a communication convection are shifted with respect to each other. In other embodiments, crosstalk couplings are calculated based on intermediate vectors. | 11-08-2012 |
20120226901 | System, Method and Apparatus For Secure Telecommunications In A Home Area Network - Secure message transfer is provided in a network including at least a Home Area Network (HAN) having network devices A, B and C. The Home Area Network is capable to connect domains having different transmission formats and includes a secure communication protocol. Device A is capable to communicate at least one message to the device C according to the secure communication protocol, and device B is capable to receive at least one message from device A sent for reception and decryption by device C. A device D controls the secure message transfer and selectively disables device B from decrypting the message received by device B that is sent from device A to device C for decryption. | 09-06-2012 |
20120223694 | Operating a Semiconductor Component Having a Breakthrough Voltage - Methods and apparatuses are provided for operating a semiconductor component using a DC/DC-converter. The DC/DC-converter has its duty cycle controlled. | 09-06-2012 |
20120163491 | Method and Apparatus for Vectored Data Communication - In an embodiment, vector training signals are received. Noise affecting the training signals is evaluated, and a noise indication is thus determined. | 06-28-2012 |
20120163399 | TIME-MULTIPLEXED MULTI-WIRE COMMUNICATIONS SYSTEM - A system includes a universal transceiver and a switch coupled to the universal transceiver, wherein the switch is configured to selectively couple a terminal of the universal transceiver to one of a plurality of different physical media. The universal transceiver is configured to generate a global schedule based on at least one input received by the universal transceiver, wherein the global schedule controls the switch. | 06-28-2012 |
20120120956 | METHODS AND APPARATUSES FOR DATA COMPRESSION - A plurality, i.e. at least two, cells are combined into a macro cell. In a macro header of said macro cell a full numbering information of a first cell of said plurality of cells is stored. For further cells of said plurality of cells other than said first cell, a deviation information indicating a deviation of a numbering information of the respective further cell from said full numbering information of said first cell or one of said further cells is stored. In some embodiments, additionally the headers of the individual cells are incorporated in the macro header. | 05-17-2012 |
20120099724 | Device for Controlling a Supply Voltage for a Terminal - A control device includes a circuit operable to sense an analogue input voltage dependent on a line current flowing via a communication line of a terminal generate an analogue difference voltage in a constant line current operation based on a difference between the sensed analogue input voltage and an analogue feedback voltage which depends on an adjustable nominal direct-current value and filter a sequence of control error values from a sequence of digital difference voltage values converted from the generated analogue difference voltage. The circuit is further operable to convert a control value generated from the sequence of control error values in the constant line current operation to an analogue direct voltage for supplying the terminal and convert the nominal direct-current value into the analogue feedback voltage in the constant line current operation. | 04-26-2012 |
20120087404 | Calibrating Received Signal Measurements in a Communication Device - Received signal measurements are calibrated in a communication device by measuring a received signal level for each of one or more subcarriers of a transmitted signal received from another communication device, converting the measured received signal level for each of the one or more subcarriers into a corresponding measured power level, estimating a terminal-to-terminal impedance between the communication devices and calculating a corrected power level for each of the one or more subcarriers as a function of the measured power level for the subcarrier, a known reference input impedance for the communication device and the estimated terminal-to-terminal impedance. | 04-12-2012 |
20120082186 | ULTRA-WIDEBAND SIGNAL AMPLIFIER - Amplifier for an ultra-wideband (UWB) signal receiver having a signal input ( | 04-05-2012 |
20120076174 | FAST FREQUENCY-HOPPING TRANSCEIVER AND METHOD - A fast frequency-hopping transceiver comprises a RF-unit arranged on a first chip, a base-band unit on a second chip, a bidirectional operable data and control interface arranged between said first and said second chip having at least one data line for data communication, at least one control line for controlling the data communication and at least one clock line for providing a clock signal, memory means implemented within said RF-unit containing all the required chip settings which are specific to a certain frequency of received and/or transmitted data being part of the intended hopping sequence. The transceiver also includes control means for programming said memory means during an initialization phase during a set-up of a communication link of said data communication. | 03-29-2012 |
20120069848 | CONFIGURABLE FAST ETHERNET AND GIGABIT ETHERNET DATA PORT - An Ethernet switch has at least one ingress/egress port which is operable in two modes, in a first mode as a GE port and in a second mode as a plurality of FE ports. The port has 8 MAC interfaces each of which is capable of receiving/transmitting FE packets, and at least one of the MAC interfaces can be configured to receive/transmit GE packets. Thus, the port has two modes of operation. The port further includes receive and transmit modules which receive GE and FE packets from, and transmit GE and FE packets to, the interfaces. | 03-22-2012 |
20120063434 | System and Method for Dynamic Receive Diversity Allocation - A system and method for dynamic receive diversity allocation. A communications device comprises a first physical layer (PHY) unit, a second PHY unit, a first signal path coupled to a first antenna and to the first PHY unit, a switchable signal path coupled to a second antenna and switchably coupled to the first PHY unit and the second PHY unit, and a switch control unit coupled to the second antenna. The switch control unit dynamically generates a control signal used to switchably couple the second antenna to either the first PHY unit or the second PHY unit. The second antenna may be used to provided a needed transmit or receive antenna or an extra antenna for use in increasing diversity. Switching antennas reduces the total number of antennas and support hardware, such as digital processing hardware, for wireless communications standards having a high ratio of idle to busy time. | 03-15-2012 |
20120060076 | Adaptive Communication Systems and Methods - Methods and communication systems are presented, in which impulse noise is monitored on a communication channel, and impulse noise protection parameters are adjusted according to the monitored impulse noise without interrupting communication service. | 03-08-2012 |
20120057483 | Frame Structure For Multi-Input Multi-Output - Described herein are implementations related to data communication using a frame that includes at least two data packets. One of the data packets includes a preamble that is separated from a payload by a gap, void or empty space. Another of the data packets includes a preamble that is aligned with the gap, void or empty space. A receiver of the frame may perform channel measurements during the gap, void or empty space. | 03-08-2012 |
20120044918 | Method and Apparatus for Supporting Class of Service Over Bonded Digital Subscriber Line (DSL) Links - Class of service is supported over bonded lines by determining that packets of the same traffic class are to be sent over the same link and sending the packets over the same link without passing the packets through a fragmentation and reassembly layer. | 02-23-2012 |
20120027069 | Protection of Communication Systems Against Repetitive Electrical Impulse Noise - A method limits the effect of repetitive electrical impulse noise in a communication system. The presence of the repetitive electrical impulse noise is detected during communication service. If the repetitive electrical impulse noise is detected, then a message is transmitted which signals that the repetitive electrical impulse noise is present. Other systems and methods are disclosed. | 02-02-2012 |
20120019317 | Self-Oscillating Driver Circuit - A self-oscillating driver circuit includes a driver stage, a feedforward path which is coupled to an input of the driver stage, and a feedback path which couples an output of the driver stage to an input of the feedforward path. The feedforward path includes a feedforward filter which is designed as an active filter. In order to prevent an oscillatory state of the driver circuit at an unwanted frequency, it is proposed that an internal state variable of the feedforward filter be monitored and that the feedforward filter be reset if the value of the monitored internal state variable is outside a predefined range. | 01-26-2012 |
20120011379 | DEVICE FOR TAPPING USB POWER - A device includes a universal serial bus (USB) port comprising a data terminal and a power terminal to receive power from a remote USB port. The device includes a controller coupled to the data terminal of the USB port to provide a USB initialization signal. | 01-12-2012 |
20110317749 | RECONFIGURABLE TRANSCEIVER METHOD AND APPARATUS - A transceiver includes an interface operable to receive a reconfiguration request signal, a configurable receiver circuit coupled to the interface and an evaluation circuit. The evaluation circuit is operable to evaluate the reconfiguration request signal, reconfigure the configurable receiver circuit based on the reconfiguration request signal and output a reconfiguration response signal. | 12-29-2011 |
20110305133 | OFDM TRANSMISSION METHOD, WHICH IS INTENDED BOTH FOR SPORADIC AND FOR CONTINUOUS DATA COMMUNICATION, FOR A WLAN - In an OFDM-based transmission method it can be stated for the preamble (4, 7) of a data packet that its N preamble segments (B, | 12-15-2011 |
20110268227 | POWER LEVEL SETTINGS FOR TRANSMISSION LINES - A method, wherein the following steps are iteratively repeated: providing each of a plurality of signals at a respective one of a plurality of transmission links; transmitting each of the plurality of signals over the respective one of the plurality of transmission links; and measuring signal-to-noise ratios of the plurality of signals transmitted over the plurality of transmission links, wherein an input power level of each of the plurality of signals is set such that the signal-to-noise ratios of the plurality of signals converge when measured after their transmission over the plurality of transmission links. | 11-03-2011 |
20110268173 | METHOD FOR ADAPTING FILTER CUT-OFF FREQUENCIES FOR THE TRANSMISSION OF DISCRETE MULTITONE SYMBOLS - The invention creates a method for adapting filter cut-off frequencies for the transmission of discrete multitone symbols, where a transmit symbol datastream consisting of discrete multitone symbols is applied to an interpolation device, the transmit symbol datastream is interpolated with a symbol rate in the interpolation device, an interpolated symbol datastream is filtered in a first low-pass filtering device in accordance with a first filter cut-off frequency, which can be predetermined by a first filter cut-off frequency determining device, a digital symbol datastream obtained after a digital-analog conversion, transmission and analog-digital conversion, is filtered at the receiver end in a second low-pass filtering device in accordance with a second filter cut-off frequency, which can be predetermined by a second filter cut-off frequency determining device, in order to provide an equalized symbol datastream, the equalized symbol datastream is decimated in a decimation device and the decimated received symbol datastream consisting of discrete multitone symbols is provided to a multitone receiver device. | 11-03-2011 |
20110235610 | ADAPTIVE NETWORK TO DYNAMICALLY ACCOUNT FOR HIDDEN NODES - One embodiment of the present invention relates to a network element that is configured to be associated with a network having a number of nodes. A proxy node is configured to distinguish between a some signals received from a master node and other signals received from at least one hidden node, where the at least one hidden node is unable to bi-directionally directly communicate with the master at a given time. The proxy node is further configured to relay at least one signal between the master node and the hidden node to facilitate addition of the hidden node to the network via the master node. Other methods and devices are also disclosed. | 09-29-2011 |
20110188490 | Method and apparatus for data transmission - Method and apparatuses are provided for frame-based voice data transmission. In one exemplary embodiment, synchronization information is transmitted in only some of the transmitted frames in an operating mode without payload data transmission. | 08-04-2011 |
20110154153 | Interleaving Redundancy Apparatus and Method - One embodiment of the invention relates to a network communication device. The network communication device includes a network interface configured to receive an initial data stream. The network communication device also includes an interleaving redundancy encoder that comprises a memory unit arranged in N columns and D rows. The interleaving redundancy encoder is configured to calculate at least one redundancy byte based on a series of spaced, non-consecutive bytes in the initial data stream. Other systems and methods are also disclosed. | 06-23-2011 |
20110149785 | Networks Having Plurality of Nodes - One embodiment of the present invention relates to a method of communicating in a network with a plurality of nodes. In the method, information is gathered from the plurality of nodes, where information from each node specifies other nodes from which the node detected messages. Based on the gathered information, a transmit sequence according to which the plurality of nodes are to transmit is determined. Other methods and devices are also disclosed. | 06-23-2011 |
20110116573 | Methods and Systems for Adaptive Communication - One embodiment of the present invention relates to a method of transferring data in a communication system. In the method, an initial impulse noise protection value is determined. A number of redundancy bits is added to blocks of data to form codewords as a function of the initial impulse noise protection value, where the impulse noise protection value corresponds to a number of consecutive symbols that can be corrected. The number of symbols that can be correctly transmitted is changed by changing only the number of redundancy bits added to each block of data. | 05-19-2011 |
20110096870 | METHOD AND APPARATUS FOR VECTORED DATA TRANSMISSION - An apparatus includes a transmitter configured to transmit data via a plurality of communication channels of a communication connection. The transmitter is further configured to transmit a same sequence for vector training on each of the communication channels. The sequences for at least two of the communication channels are shifted with respect to each other. | 04-28-2011 |
20100309965 | ALLOCATION OF SIGNAL-TO-NOISE RATIO MARGIN IN MULTI-CARRIER SYSTEMS - Allocation of different signal-to-noise margins to different carriers in a multi-carrier system is described. A preferred embodiment comprises assigning signal-to-noise ratio (SNR) margins to carriers in a multi-carrier system, comprises assigning a first SNR margin to a first data service based upon a first service characteristic, assigning a second SNR margin to a second data service based upon a second service characteristic, transmitting data associated with the first data service using the first signal-to-noise margin, and transmitting data associated with the second data service using the second signal-to-noise margin. | 12-09-2010 |
20100106922 | Interleaver Memory Allocation Method and Apparatus - A first communication device estimates upstream channel conditions for an upstream channel and determines an upstream memory requirement for a first buffer at a second communication device and a first buffer at the first communication device based on the upstream channel conditions. A downstream memory requirement is received from the second communication device for a second buffer at the first communication device and a second buffer at the second communication device based on downstream channel conditions estimated at the second communication device for a downstream channel. The first communication device determines whether the sum of the upstream and downstream memory requirements exceeds an available amount of memory for implementing the first and second buffers at the first communication device and revises at least one of the memory requirements if the sum of the upstream and downstream memory requirements is different than the available amount of memory. | 04-29-2010 |