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| Number | Title | Issue Date |
| 8179951 | Transmission output control apparatus, multicarrier transmission system, transmission output control method and transmission output control program in computer-readable storage medium It is an object of the present invention to provide a multicarrier transmission system for enabling degradation of a transmission speed in an adjacent line adjacent to a communication line, to be avoided. For this purpose, a multicarrier transmission system in the p... | 05/15/2012 |
| 8175139 | Multimode multicarrier modem system and method of communication over the same An alternative approach to coping with the ever increasing demand for faster communications hardware is to design modems that are capable of operating its speeds at a higher data rate than a speed required for a single port of the standard communication rate for tha... | 05/08/2012 |
| 8165191 | Multi-protocol channel-aggregated configurable transceiver in an integrated circuit Embodiments in the disclosure include a multi-protocol transceiver including a configurable arrangement of receive and/or transmit circuitry. An exemplary transceiver can be selectively configured to effectively transmit and/or receive data communications correspond... | 04/24/2012 |
| 8165190 | Apparatus and method for sample rate conversion in a software defined radio communication system A method for converting a sample rate in a Software Defined Radio (SDR) communication system is provided. The method includes setting a sampling frequency range depending on a maximum sampling frequency and a minimum sampling frequency so as to enable support of a p... | 04/24/2012 |
| 8149904 | Asymmetric digital subscriber line modem apparatus and methods therefor Provided is a system and method for a modem including one or more processing paths. Also included is a number of interconnected modules sequentially arrayed along the one or more paths. Each module is configured to (i) process signals passed along the paths in accor... | 04/03/2012 |
| 8139626 | Communication apparatus, communication method, circuit module and integrated circuit In communication method for communicating via a transmission channel to which first communication apparatuses communicating based on a first communication system, second communication apparatuses communicating based on a second communication system, and third commun... | 03/20/2012 |
| 8126037 | Wireless modem system and method for connecting to communication network using the same A wireless modem connection apparatus including a connection unit for connecting a first and second modem and to a portable computer; and a control unit for detecting radio wave reception strength of each of first and second communication networks connected through ... | 02/28/2012 |
| 8126038 | System and method for selectable mask for LDSL The present invention overcomes various problems by defining two upstream masks (U1, U2) and two downstream masks (D1, D2) and using a mask selectable system for the long reach digital subscriber line (LDSL), in which a unique modem featu... | 02/28/2012 |
| 8116362 | Traffic shaping between the DMT processor and data link layer processor of a line-card A line card is proposed in which one or more DMT processing modules 1 communicate with a data link layer platform, such as an ATM, POSPHY or Ethernet processor. The data relating to a single symbol is transmitted between the data link layer platform and a giv... | 02/14/2012 |
| 8107516 | Power line communications apparatus Apparatus and system for communicating data via a power line. The apparatus comprises a transmitter comprising a modulator for generating a second digital signal based on input data; a digital buffer for amplifying the second digital signal to generate a third digit... | 01/31/2012 |
| 8107515 | Burst processing modem A burst processing modem. Implementations may include a receive side including a channelizer adapted to process a plurality of channels and write a plurality of frames to a receive RAM array. A receive frame state machine may be adapted to generate a timing signal u... | 01/31/2012 |
| 8102902 | System and method for improving DSL performance A system and method is described for determining a condition of a communication line, such as the absence of a filter device on a digital subscriber line (DSL). A first signal characterized by a high upstream power is activated over the line, and a first set of para... | 01/24/2012 |
| 8098719 | Fast initialization using seamless rate adaptation A method for initializing modems in a multicarrier transmission system to establish a communication link between the transmitter and the receiver. An exemplary embodiment includes the steps of providing a predetermined parameter value that approximates a correspondi... | 01/17/2012 |
| 8094703 | Systems and methods for loop length and bridged tap length determination of a transmission line Through the use of a least squares minimization concept, the loop length, the number of bridged taps and length of the bridged taps on a transmission line can be determined from readily available modem data. In particular, the loop length, the number of bridge taps ... | 01/10/2012 |
| 8090008 | System and method for scrambling the phase of the carriers in a multicarrier communications system A system and method that scrambles the phase characteristic of a carrier signal are described. The scrambling of the phase characteristic of each carrier signal includes associating a value with each carrier signal and computing a phase shift for each carrier signal... | 01/03/2012 |
| 8085835 | System and method for performing ranging in a cable modem system The present invention provides a system and method for performing ranging operations in a able modern system. In accordance with embodiments of the present invention, transmission times, transmission power levels, transmission carrier frequencies, and pre-equalizati... | 12/27/2011 |
| 8073041 | System and method for descrambling the phase of the carriers in a multicarrier communications system A system and method that demodulates the phase characteristic of a carrier signal are described. The scrambling of the phase characteristic of each carrier signal includes associating a value with each carrier signal and computing a phase shift for each carrier sign... | 12/06/2011 |
| 8064504 | 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 t... | 11/22/2011 |
| 8064505 | System and method for dynamic allocation of spectrum A communication system is provided for transmitting video, audio, and data content between two or more nodes of a communications network comprised party of twisted pair links. Also provided, is a telecommunication system for transmitting spectrum, comprising transmi... | 11/22/2011 |
| 8059704 | Near-end crosstalk noise minimization and power reduction for digital subscriber loops To optimize the performance of DSL modems in the same cable bundle, the size and position of the group of subcarriers used for transmission is intelligently selected when the bit rate necessary for making the transmission is less than the total available bandwidth p... | 11/15/2011 |
| 8059703 | System and method for determining a suitable impedance for a modem A system includes a plurality of modules which are configured for determining a suitable impedance for a modem. The plurality of modules send signals with a plurality of signal frequencies to a telephone and receive feedback signals from the telephone under each of ... | 11/15/2011 |
| 8059702 | Monitoring multiple modem transmission in a communication device Within a communication device, a method of managing a plurality of modems can include determining a first measure of transmission power for a first modem (710), wherein the first measure of transmission power is a running total of transmission power for the f... | 11/15/2011 |
| 8045602 | Transceiver apparatus and method having ethernet-over-power and power-over-ethernet capability A transceiver device for coupling between a power line and a network interface unit includes a power line modem for transmitting and receiving data between the power line and the network interface unit and a power circuit coupled to the power line modem that is adap... | 10/25/2011 |
| 8045603 | Method and a multi-carrier transceiver supporting dynamic switching between active application sets A transceiver and method for communicating over a communications channel having a plurality of subchannels are described. In particular, the transceiver is capable of dynamically switching between communicating data for a first active application set and communicati... | 10/25/2011 |
| RE42789 | Method for testing a communication channel A method of evaluating the characteristics of a subscriber loop associated with a customer modem comprises the steps of receiving line probing data from the modem and analyzing the line probing data to determine the circuit characteristics of the subscriber loop whi... | 10/04/2011 |
| 8031759 | Configuring transmission signals Included are embodiments for reducing interference in a communications network. At least one embodiment of a method includes receiving data related to an updated Power Spectral Density (PSD) mask and processing a first Seamless Rate Adaptation (SRA) request. Some em... | 10/04/2011 |
| 8031760 | Fast modem reconfiguration Methods, systems, and computer program products for reconfiguring a modem. In an embodiment, fast reconfiguration of a modem occurs when a first modem determines there is a need for fast reconfiguration. The first modem signals its transition from showtime to fast r... | 10/04/2011 |
| 8031758 | Powerline communication (PLC) modem employing an analog electromagnetic transducer A PLC cable modem is provided which includes an analog electromagnetic field transducer for generating an electromagnetic field based on an analog electrical signal and also for generating an analog electrical signal based on an electromagnetic field. The PLC cable ... | 10/04/2011 |
| 8031761 | Adaptive margin and band control Configuration or otherwise controlling parameters of a Digital Subscriber Line (DSL) system related to power, band usage and margin is based on collected operational data. Operational data are collected from at least one DSL system operating under a known configurat... | 10/04/2011 |
| 8014442 | Communicating data using wideband communications This disclosure relates to varying load and modulation applied to each of multiple frequency subchannels based on anticipated attenuation experienced by those subchannels. Communicating data includes identifying a static component of a transmission medium for wideba... | 09/06/2011 |
| 8009726 | Carrier grouping in multi-carrier systems In the present invention, a plurality of carriers in a multi-carrier DMT communication system is grouped into one or multiple carrier groups according to at least one carriergroup parameter. A carriergroup parameter defines a parameter relating to each carrier group... | 08/30/2011 |
| 7974332 | High-frequency HomePNA A network device includes a HomePNA modem and means for synchronizing its clock with clocks of other HomePNA modems in the network in order to communicate at a higher frequency band. In one embodiment, the synchronization is with pilot signals. In another, it is by ... | 07/05/2011 |
| 7974333 | Semiconductor apparatus and radio circuit apparatus using the same A semiconductor apparatus includes a signal source 7 that outputs a signal of predetermined frequency, a frequency divider 15 that receives the output signal of the signal source and is capable of switching the output signal to two or more frequency di... | 07/05/2011 |
| 7957457 | Voice data RF wireless network IC An integrated circuit (IC) includes at least one baseband processing module, an RF section, and an interface. The baseband processing module converts outbound voice signal into an outbound voice symbol stream; an inbound voice symbol stream into an inbound voice sig... | 06/07/2011 |
| 7953143 | Systems and methods for deriving parameters for impulse noise detectors A system is described that comprises a frequency domain impulse noise detector configured to monitor received discrete multi-tone (DMT) symbols for impulse noise, a Reed Solomon (RS) decoder with erasure and erasure correction capability for performing error correct... | 05/31/2011 |
| 7940837 | Multimode multicarrier modem system and method of communication over the same An alternative approach to coping with the ever increasing demand for faster communications hardware is to design modems that are capable of operating its speeds at a higher data rate than a speed required for a single port of the standard communication rate for tha... | 05/10/2011 |
| 7940836 | Multimode multicarrier modem system and method of communication over the same An alternative approach to coping with the ever increasing demand for faster communications hardware is to design modems that are capable of operating its speeds at a higher data rate than a speed required for a single port of the standard communication rate for tha... | 05/10/2011 |
| 7929595 | Estimating frequency offset at a subscriber station receiver A method and system of estimating frequency offset at a subscriber station is disclosed. One method includes the subscriber station receiving a composite signal, wherein the composite signal includes multi-carrier signals transmitted from a plurality of base station... | 04/19/2011 |
| 7916776 | Performance customization system and process for optimizing xDSL performance A system and process for customizing the performance of an xDSL communication system in which a transmitting modem and/or a receiving modem will negotiate a performance parameter for adjustment. ... | 03/29/2011 |
| 7916777 | VUTP hybrid command authority An Autointelligent sensing and analysis method that comprises: differentiating between digital and analog communication; controlling access authorities both locally and remotely; and making intelligent analysis on the Static or Dynamic utilization of the electrical ... | 03/29/2011 |
