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| Number | Title | Issue Date |
| 7397283 | Digital A/V transmission PHY signaling format conversion, multiplexing, and de-multiplexing A circuit includes a configurable receiver circuit, a multiplexer or demultiplexer coupled to the configurable receiver circuit, and a configurable driver circuit coupled to the multiplexer or demultiplexer. The configurable receiver circuit generates an internal fo... | 07/08/2008 |
| 7394864 | Mixed waveform configuration for wireless communications A mixed waveform configuration for wireless communications including a first portion that is modulated according to a single-carrier modulation scheme and a second portion that is modulated according to a multi-carrier modulation scheme. The waveform is specified so... | 07/01/2008 |
| 7395033 | Radio communication apparatus A plurality of carriers are divided into two systems, one on a low-frequency side and the other on a high-frequency side, a transmitting unit that executes processing for transmitting a signal wirelessly is provided in each of the two systems, and output lines of tr... | 07/01/2008 |
| 7391806 | Digital data exchange device in a CDMA system The invention relates to a device for exchanging digital data between several sources and at least one hub in a CDMA system, characterized in that it comprises a number n of digital transmission/reception circuits (1) installed in parallel, each circuit (1... | 06/24/2008 |
| 7388903 | Adaptive transmission rate and fragmentation threshold mechanism for local area networks An apparatus for adjusting the transmission bit rate and fragmentation threshold of a wireless station in response to transmission errors is disclosed. In particular, the illustrative embodiment of the present invention is based on a wireless station that employs bo... | 06/17/2008 |
| 7388904 | Near-end, far-end and echo cancellers in a multi-channel transceiver system A transceiver according to the present invention receives data from a plurality of frequency separated transmission channels from a complementary transmitter and includes an interference filter for correcting for interference from transmitters other than the complem... | 06/17/2008 |
| 7388906 | Method for detecting bridged taps on telephony cable In a particular embodiment a method of collecting and processing modem data is provided. The method includes, during training of a broadband modem, sending a series of tones within a frequency transmission band of the broadband modem, receiving the transmitted serie... | 06/17/2008 |
| 7388905 | Highly integrated asymmetric digital subscriber line (ADSL) circuit An ADSL transceiver chip is provided that includes an analog front-end and a digital signal processor (DSP) integrated on the same substrate. A line driver for the ADSL transceiver can be located on a separate substrate. In embodiments of the invention, the transcei... | 06/17/2008 |
| 7386037 | Digital subscriber line communicating system A digital subscriber line communicating system having a central office and a remote terminal connected through a telephone line, the transmitting side including a sliding window transmitting unit for transmitting DMT symbols according to the sliding window through t... | 06/10/2008 |
| 7386059 | Device for processing signals in a mobile station A device for processing signals may be designed as a transmitting and receiving arrangement or exclusively as a receiving arrangement, and has a baseband component and a radiofrequency component. The interface between the baseband component and the radiofrequency co... | 06/10/2008 |
| 7386053 | System and method of equalization of high speed signals In one aspect, the present invention is directed to a technique of, and system for enhancing the performance of high-speed digital communications through a communications channel, for example a backplane. In this aspect of the present invention, a transmitter includ... | 06/10/2008 |
| 7383549 | Processor sharing technique for communications and other data processing on a same processor The computational load imposed by communications software executed on a general purpose processor can be significantly reduced by exploiting periods during an active connection when no data is being received. In particular, execution of many receive path signal proc... | 06/03/2008 |
| 7379492 | Adaptive modulation coding system and method in a mobile communication network An encoding method in a mobile communication system is provided. The method comprises selecting at least one adaptive coding rate and at least one modulation method according to estimated forward channel characteristics for a plurality of transmission antennas, base... | 05/27/2008 |
| 7379877 | Signal processing device and signal processing method Signal processing device and method include at least two codec units configured to operate in a plurality of modes of a coding/decoding/tandem free operation for data transmitted on a respective allocated channel. A control unit is configured to control the at least... | 05/27/2008 |
| 7376207 | Apparatus for receiving and recovering frequency shift keyed symbols A receiver architecture for receiving an FSK signal having a predetermined number of modulation levels includes a selectivity filter (206) for selectively passing a wanted channel and rejecting unwanted channels. The selectivity filter has a filter bandwidth ... | 05/20/2008 |
| 7376180 | Adaptive receivers for bit rate agile (BRA) and modulation demodulation (modem) format selectable (MFS) signals Systems, apparatus, and methods for new generations of wireless systems, including multiple standard, interoperable Third-Generation (3G) and Second-Generation (2G), Spread Spectrum CDMA, WCDMA, GSM, Enhanced GSM systems and CSMA, TDMA and OFDM. Bit Rate Agile (BRA)... | 05/20/2008 |
| 7372849 | Port policy management for calls in a centralized call control packet network A network device is disclosed. The network device comprises a port to allow reception of a TCAP query. A processor translates the TCAP query into a dial access request and a port allows transmission of the dial access request and to receive a call disposition messag... | 05/13/2008 |
| 7372916 | Process and devices for transmitting digital signals over buses and computer program product therefore Digital signals are transmitted on a bus at given instants selectively in a non-encoded format and an encoded format. The decision whether to transmit the signals in non-encoded format or in encoded format is taken in part, based on a comparison of the signal to be ... | 05/13/2008 |
| 7372898 | Path loss measurements in wireless communications A method for determining uplink power requirements for a transceiver in a wireless communication system includes obtaining measurements from a beacon signal occupying a first timeslot in a frame; obtaining measurements from at least one additional channel having a k... | 05/13/2008 |
| 7373114 | Signal transmission circuit, signal output circuit and termination method of signal transmission circuit This invention provides a signal transmission circuit, a signal output circuit, and a termination method of a signal transmission circuit capable of preventing the re-reflection of the signal at a transmitting node of a transmission path even when an impedance of a ... | 05/13/2008 |
| 7373115 | Apparatus for transmit and receive switching in a time-division duplexing wireless network A transmit-receive (T/R) switch for coupling a TDD transceiver to an antenna. The T/R switch comprises 1) a first circulator having a first port for receiving a transmit signal from the transceiver during transmit mode, a second port for sending the transmit signal ... | 05/13/2008 |
| 7373627 | Method of designing wiring structure of semiconductor device and wiring structure designed accordingly A method of designing a wiring structure of an LSI is capable of reducing a capacitance variation ratio ΔC/C or a resistance-by-capacitance variation ratio Δ(RC)/(RC) of the wiring structure. The method sets a process-originated variation ratio (δP) fo... | 05/13/2008 |
| 7373161 | Method and arrangement for power control A method for setting a power control level (600) in a wireless communication system. The method includes the steps of obtaining (620) transmission information from a wireless subscriber unit, and modifying a power control level and/or a communication c... | 05/13/2008 |
| 7369499 | Method for transmitting data packets in a communication system and corresponding transmitter and receiver To transmit data packets between a transmitter and a receiver, the data packets are transmitted in coded from as coding units. The received data packets are stored in coded or uncoded form in the receiver inside a memory. The receiver notifies the transmitter of the... | 05/06/2008 |
| 7369516 | Adaptive echo canceling A method for transmitting data signals in full duplex with echo cancellation between a first and a second modem connected by a two-wire channel, wherein a data signal is a function of at least one data symbol in a stream of data symbols generated by a modem comprisi... | 05/06/2008 |
| 7369858 | Apparatus for self-adjusting power at a wireless station to reduce inter-channel interference The performance and ease of management of wireless communications environments is improved by a mechanism that enables access points (APs) to perform automatic channel selection. A wireless network can therefore include multiple APs, each of which will automatically... | 05/06/2008 |
| 7369812 | Method and circuit arrangement for determining the signal strength in receivers with complex signal processing In order to provide a method of determining the signal strength in a receiver or transmitter with complex signal processing using the in-phase channel (I channel) and the quadrature channel (Q channel), by means of which it is also possible to reliably determine the... | 05/06/2008 |
| 7369607 | Multicarrier communication using a time domain equalizing filter Various methods and apparatus are described that use a filter. A receiver may be configured to receive multi-tone signals. The receiver has a Time Domain Equalizer filter employing an algorithm to shorten a length of an incoming impulse response to equal to or less ... | 05/06/2008 |
| 7369816 | Highly accurate temperature sensor employing mixed-signal components A radio transceiver includes circuitry that enables received RF signals to be down-converted to baseband frequencies and baseband signals to be up-converted to RF signals prior to transmission without requiring conversion to an intermediate frequency. The circuitry ... | 05/06/2008 |
| 7369626 | Efficient subcarrier equalization to enhance receiver performance A modem system for receiving and transmitting signals having a frequency domain equalizer (FEQ) block being responsive to a frequency channel response for processing the same to generate one or more initial FEQ coefficients (FEQ1), the modem system is respons... | 05/06/2008 |
| 7369603 | Compensating for spectral attenuation A method and apparatus to compensate for spectral attenuation are described wherein the spectral attenuation for a communications channel is determined, a first filter is created for the attenuation and the first filter compensates for the attenuation. The spectral ... | 05/06/2008 |
| 7369830 | Monolithic GPS RF front end integrated circuit A highly integrated GPS RF Front End which uses a single conversion stage employs an image rejection mixer stage to eliminate the need for an image reject RF bandpass filter. Also a relatively high sample rate A/D is employed which allows a timeless monolitic IF Fil... | 05/06/2008 |
| 7366150 | Indoor local area network system using ultra wide-band communication system An indoor local area network (LAN) system using an ultra wide-band (UWB) communication system is provided. The indoor LAN system includes at least one remote terminal including a UWB module for converting input digital data to be transmitted into an analog signal of... | 04/29/2008 |
| 7366230 | Power control in mobile radio communications systems A power control unit (500) for a power control system in a mobile communication system, the power control unit (500) comprising an inner power control loop element (503, 507), which generates a transmit power control command (504), and an... | 04/29/2008 |
| 7366231 | Sub-block domain transformation multiple signal processing Embodiments of an Ethernet transceiver are disclosed. The Ethernet transceiver includes a plurality of digital signal streams, at least one digital signal stream being coupled to another of the digital signal streams. A domain transformer transforms sub-blocks of ea... | 04/29/2008 |
| 7366954 | Data transfer device and abnormal transfer state detecting method A data transfer device comprises a unit for collecting data of a control state by monitoring the control state of a circuit which controls communications protocols within the local device, and a unit for detecting an abnormal state of a data transfer based on the co... | 04/29/2008 |
| 7366490 | Automatic gain control with gain stepping and regulation An automatic gain control device and a related method for its operation, using a first-order control loop for adjusting a received communication signal to compensate for variations in received signal power. The device bases its adjustments on a measure of the averag... | 04/29/2008 |
| 7366478 | Partitioned radio-frequency apparatus and associated methods Radio-frequency (RF) apparatus includes receiver analog circuitry that receives an RF signal and provides at least one digital signal to receiver digital circuitry that functions in cooperation with the receiver analog circuitry. The receiver analog circuitry and th... | 04/29/2008 |
| RE40281 | Signal processing utilizing a tree-structured array A communication system for sending a sequence of symbols on a communication link. The system includes a transmitter for placing information indicative of the sequence of symbols on the communication link and a receiver for receiving the information placed on the com... | 04/29/2008 |
| 7366269 | False lock detection circuit and false lock detection method, PLL circuit and clock data recovery method, communication device and communication method, and optical disk reproducing device and optical disk reproducing method Disclosed herein is a false lock detection circuit including: a data signal input section receiving an input of a data signal; a clock signal input section receiving an input of a clock signal generated from the data signal; a pattern detector obtaining the data sig... | 04/29/2008 |
