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| Number | Title | Issue Date |
| 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 |
| 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 |
| 7362797 | Physical layer device having an analog SERDES pass through mode A physical layer device (PLD) includes a first serializer-deserializer (SERDES) device and a second SERDES device. Each SERDES device includes an analog portion with a serial port that is configured to communicate serial data with various network devices, and a digi... | 04/22/2008 |
| 7362798 | Method for transmitting data to be transmitted using a subscriber modem A method transmits data to be transmitted using a subscriber modem of a subscriber access network with adjusted transmission power. The method includes selecting at least one transmission frequency band and subdividing the selected transmission frequency band into s... | 04/22/2008 |
| RE40256 | Communication system At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point g... | 04/22/2008 |
| 7362828 | Method of and system for optimizing the capacity of a digital communication system in presence of both internal and external noise A method of optimizing a communication system for receiving and processing an input communication signal includes selecting a first noise margin m to be applied against an external noise present on the input communication signal. The method further includes selectin... | 04/22/2008 |
| 7362826 | Receiver including an oscillation circuit for generating an image rejection calibration tone A receiver circuit includes an oscillator circuit configured to generate a calibration tone and a phase locked loop (PLL) reference signal. An output frequency of the VCO may be divided by respective amounts to derive a desired calibration tone frequency and a desir... | 04/22/2008 |
| 7362813 | Communication system At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point g... | 04/22/2008 |
| RE40255 | Communication system At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point g... | 04/22/2008 |
| 7362839 | Techniques to adjust vertical offset Techniques to modify bias levels of a limiting amplifier based on a transition measurement and measurements before and after the transition. ... | 04/22/2008 |
| 7363569 | Correcting for data losses with feedback and response A digital content transmission and reception system that uses feedback and retransmission of missing content is described. A content transmission system broadcasts a complete set of digital content to a plurality of content reception systems via a communication link... | 04/22/2008 |
| 7359459 | System and method for low power clear channel assessment A method is provided for performing a clear channel assessment in a local device. The local device receives signal energy in a wireless channel and splits the received signal energy into a real portion and an imaginary portion. It determines a real portion of a squa... | 04/15/2008 |
| 7359678 | Signal processing semiconductor integrated circuit device and wireless communication system The invention provides a signal processing semiconductor integrated circuit of the direct conversion system, which includes a dummy amplifier having the same circuit configuration as a low noise amplifier being the first stage amplifier, in which the DC offset calib... | 04/15/2008 |
| 7359319 | Synchronous data transmission system A first and a second terminals 100 and 200 are connected to an asynchronous transmission line 300. Microphones 101 and 201 and loudspeakers 102 and 202, or image input units (i.e., cameras) 111 and 211 a... | 04/15/2008 |
| RE40242 | Communication system At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point g... | 04/15/2008 |
| RE40241 | Communication system At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point g... | 04/15/2008 |
| 7359432 | Speed negotiation for serial transceivers An arrangement to enable automatic baud rate speed negotiation between transceivers having different operating speed characteristics is implemented. When an event indicative of a possible baud rate mismatch occurs, control signals are generated and used to trigger a... | 04/15/2008 |
| 7359367 | Device for preventing erroneous synchronization in wireless communication apparatus An erroneous synchronization preventing device includes a pattern detector detecting a sync pattern from received data with a broader sync window to output a sync detection notice and a sync timing. On receipt of the notice, a packet header detector checks an error ... | 04/15/2008 |
| 7359259 | Method for transmission and reception of a data signal on a line pair, as well as a transmission and reception circuit for this purpose Apparatuses and methods for transmitting and receiving a data signal on a line pair having a first transmission line and a second transmission line are provided. In one embodiment, a data signal which represents the data to be transmitted by means of a sequence of f... | 04/15/2008 |
| 7359426 | Method and system for modulating and demodulating signals in ultra-wide band (UWB) communication systems In a transceiver system a passband single carrier transmitter is coupled to a first ultra-wide-band wireless transmission channel and a receiver may be coupled to the ultra-wide-band wireless transmission channel. The receiver may receive signals transmitted by the ... | 04/15/2008 |
| 7359462 | Channel search device A channel search device is provided, which includes: a quasi-synchronization quadrature detector for outputting an I-axis signal and a Q-axis signal obtained by performing quasi-synchronization quadrature detection, based on the carrier frequency set value, on a PSK... | 04/15/2008 |
| 7358875 | Echo preventing circuit and digital signal processing circuit An echo preventing circuit comprises a filter that is inputted with a first digital signal and outputs a second and a third digital signals; a first DA converter that converts the second digital signal into a first analog signal and outputs the first analog signal; ... | 04/15/2008 |
| 7356341 | Scheduling communications in a wireless network Systems and techniques are disclosed relating to wireless communications. The systems and techniques involve wireless communications wherein a module or communications device is configured to select a plurality of terminal pairs each having a transmitting terminal a... | 04/08/2008 |
| 7356357 | Passive display unit and system and method of use A device for displaying messages includes a passive display unit having a display screen, a receiver that receives downloaded information and a processor for processing and storing the downloaded information and providing control to the passive display unit. The dis... | 04/08/2008 |
| 7355535 | Signal processing providing lower downsampling losses Methods and devices for processing GPS signals are provided. The device includes: means for storing one or more lookup tables, each lookup table comprising a plurality of entries, each entry comprising an input segment and an output segment, wherein the output segme... | 04/08/2008 |
| 7355462 | Phase lock loop and method for operating the same A digital controller for a voltage controlled oscillator (VCO) is provided within a phase lock loop (PLL). The digital controller includes a digital filter having first and second inputs for receiving upward and downward adjustment signals, respectively. The digital... | 04/08/2008 |
| 7355546 | Polarization and frequency diverse radar system for complete polarimetric characterization of scatterers with increased scanning speed A method and apparatus is provided, whereby a scanning, polarization and frequency diverse radar system measures the complete polarimetric characterization of weather targets without loss of scanning speed and without an additional ambiguity in the Doppler velocity ... | 04/08/2008 |
| 7356076 | System and method supporting auto-recovery in a transceiver system A method and apparatus are disclosed to aid a transceiver chip, in a serial data communications system, in recovering from a system-side, out-bound data clocking problem. If a problem with a primary clock signal, used to clock data from a system-side of a transceive... | 04/08/2008 |
| 7356324 | Mobile radio receiver device The invention is directed to a receiver arrangement, for example, in a mobile radio, which allows the use of slowly locking phase locked loops for a point-to-point connection between two transceivers, even in the case of a heterodyne receiver structure. The need to ... | 04/08/2008 |
| 7356108 | OFDM receiver having adaptive channel estimator for correcting channel fading based on accumulated pseudo power values A channel estimator is configured for determining a gain adjustment for a received wireless signal having a prescribed plurality of tones. The channel estimator is configured for generating, for each of the tones, a corresponding pseudo power value representing a de... | 04/08/2008 |
| 7352802 | System and method for controlling line driver power in digital subscriber line modems A low power DSL modem transmitter, suitable for incorporation in integrated DSLAM server line cards, transmits full power physical frames which include a control channel and a data field when data is available for transmission and physical frames having only a contr... | 04/01/2008 |
| RE40206 | Communication system At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point g... | 04/01/2008 |
| 7352805 | Systems and methods for adaptive VDSL with variable sampling frequency and time-domain equalizer A method and system for enhancing reach-performance of a multi-carrier VDSL System estimates loop length, estimates maximum available bandwidth that can be utilized at that particular loop length, optimally selects an FFT size and sampling rate, and decides whether ... | 04/01/2008 |
| 7352688 | High data rate wireless bridging A specialized preamble is provided to facilitate matrix channel estimation of a MIMO channel. In a particular implementation, a channel training preamble provided by the IEEE 802.11a standard is modified to facilitate MIMO channel estimation. ... | 04/01/2008 |
| 7352806 | Systems and methods for transmitting data in a wireless communication network A method of communicating over a wideband communication channel divided into a plurality of sub-channels comprises dividing a single serial message intended for one of the plurality of communication devices into a plurality of parallel messages, encoding each of the... | 04/01/2008 |
| 7353407 | Methods and apparatus for provisioning phantom power to remote devices An apparatus provisions power from a power budget to remote devices configured to obtain phantom power. The apparatus includes, among other things, a controller which is configured to identify a power demand for a remote device (e.g., a power demand based on an actu... | 04/01/2008 |
| 7352718 | Spatial division multiple access for wireless networks Multiple Input Multiple Output (MIMO) technology in conjunction with the IEEE 802.11 standard enables simultaneous communication of data packets to or from multiple users in the same frequency. Spatial divisional multiple access (SDMA) is thus provided. In this way,... | 04/01/2008 |
| 7352822 | Telephone for transmitting an uplink signal to a base station and for receiving first and second downlink signals from the base station, and a base station for receiving an uplink signal from a telephone and transmitting first and second downlink signals to the telephone At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point g... | 04/01/2008 |
| 7352696 | Method and apparatus to select an adaptation technique in a wireless network An adaptation technique is selected for use in a wireless network based on estimated throughput. In at least one embodiment, throughput is estimated for a wireless channel for both prefix adaptation and postfix adaptation. An adaptation technique is then selected ba... | 04/01/2008 |
