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| Patent # | Description |
|---|---|
| US-7,508,881 |
Current mode differential transmission method and system for transmitting
three units of data using four signal... Provided are a current mode differential transmission method and system for differentially transmitting three units of data using four signal lines. The method... |
| US-7,508,880 |
Apparatus and method for space-time-frequency block coding for increasing
performance A space-time-frequency block coding apparatus and method in a transmitter with three transmit (Tx) antennas are provided. An input symbol sequence is transmitted... |
| US-7,508,879 |
UWB telecommunication system and communication device to be used therein A system to transmit data in the form of at least one pulse sequence modulated by symbol encoding units. The symbol encoding units include a plurality of signal... |
| US-7,508,878 |
Wireless communication apparatus A wireless communication apparatus having a plurality of antennas for transmitting a known symbol by using a plurality of subcarriers to a receiver, the known... |
| US-7,508,877 |
Methods and apparatus for self-inverting turbo code interleaving with high
separation and dispersion The present invention provides methods for generating self-inverting turbo code interleavers having high separation and high dispersion characteristics. Methods... |
| US-7,508,876 |
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... |
| US-7,508,875 |
Correlation matrix estimation via adaptive array perturbational processing
to enable jammer location Prior adaptive antenna systems can reduce effects of a jamming or interfering signal by reducing antenna gain in the direction of such signal. However, direction... |
| US-7,508,874 |
Error concealment for MPEG decoding with personal video recording
functionality Error concealment for motion picture expert group (MPEG) decoding with personal video recording functionality. The present invention is operable to perform error... |
| US-7,508,873 |
Digital amplifier, pulse width modulator thereof and method for reducing
pop noise for the same A pulse width modulator for use in a digital amplifier, includes a pop noise reducer for reducing pop noise by controlling a width and a phase of a pulse of a... |
| US-7,508,872 |
Serial transfer interface To provide a serial transfer interface for realizing a transmission of a stable and high-quality signal although there are characteristic variances due to an... |
| US-7,508,871 |
Selectable-tap equalizer A signaling circuit having a selectable-tap equalizer. The signaling circuit includes a buffer, a select circuit and an equalizing circuit. The buffer is used to... |
| US-7,508,870 |
Method and apparatus for channel estimation in radio systems by MMSE-based
recursive filtering A sequence of unfiltered channel estimation values x.sub.k is determined in a method for calculation of filtered channel estimation values d.sub.k in radio... |
| US-7,508,869 |
Apparatus method and system for characterizing a communication channel and
increasing data throughput In contrast to prior are solutions that conduct an averaging operation to estimate metrics related to a communications channel such as a signal-to-noise ratio,... |
| US-7,508,868 |
Systems and methods for testing the performance of and simulating a
wireless communication device A system abstracts channel information from field data gathered in actual wireless communication system environments. The abstracted data is then transformed... |
| US-7,508,867 |
Activation of multiple xDSL modems with implicit channel probe A communication apparatus and a communication device that are selectively connectable to each other. A transmitter, associated with one of the communication... |
| US-7,508,866 |
Acquisition matched filter for W-CDMA systems providing frequency offset
robustness A system and method for acquiring a transmitted spread-spectrum signal uses a matched filter configuration that is preferably employed as a Stage 2 filter in the... |
| US-7,508,865 |
System and method for tracking an ultrawide bandwidth signal A system and method for fast synchronization of an incoming signal with a UWB receiver. The present invention synchronizes a UWB receiver with an incoming... |
| US-7,508,864 |
Apparatus and method of canceling interference Briefly, a wireless communication device having a receiver includes a pilot signal interference canceller and a linear interference suppressor is provided. The... |
| US-7,508,863 |
Method of processing multi-path signals In the method of processing signals, multi-path signals are received, channel estimates for the received multi-path signals are determined, and a combining... |
| US-7,508,862 |
Determination and selection of transmission paths as a function of the
operating situation for setting up rake... Correlations between the received signal to which pilot symbols have been applied at the transmitter end, and a correlation signal which contains the pilot... |
| US-7,508,861 |
RACH ramp-up acknowledgement A disclosed code-division-multiple-access (CDMA) system has a base station (BS) and remote stations (RSs). A BS-spread-spectrum transmitter broadcasts a... |
| US-7,508,860 |
Pulse signal generator for ultra-wideband radio transception and radio
transceiver having the same Provided are a pulse signal generator for UWB radio transception and a radio transceiver having the same. The pulse signal generator includes: an envelope... |
| US-7,508,859 |
Optical scanning apparatus To provide an optical scanning apparatus which is strong against an external stress while suppressing an increase in the number of parts, an inserting portion 6... |
| US-7,508,858 |
Detuned duo-cavity laser-modulator device and method with detuning
selected to minimize change in reflectivity A detuned duo-cavity laser-modulator device and method are provided which include lower, middle and upper reflectors, a gain region and an absorber region... |
| US-7,508,857 |
Semiconductor laser diode and method of manufacturing the same Provided are a semiconductor laser diode and a method of manufacturing the same. The semiconductor laser diode includes a lower cladding layer disposed on a... |
| US-7,508,856 |
Laser light output control apparatus and image forming apparatus One aspect of the present invention can include a laser light output control apparatus having a plurality of laser light output control systems including a laser... |
| US-7,508,855 |
Compact high output power mid-infrared emitter system and method A mid-infrared emitter sub-system includes a heat sink and a diamond thermal diffusion layer connected to the heat sink through a first thermal bonding layer.... |
| US-7,508,854 |
Semiconductor laser device A semiconductor laser device of the present invention is provided with a base portion (2) having a horizontal top surface (S), a heat sink portion (3) that has a... |
| US-7,508,853 |
Yb: and Nd: mode-locked oscillators and fiber systems incorporated in
solid-state short pulse laser systems The invention describes classes of robust fiber laser systems usable as pulse sources for Nd: or Yb: based regenerative amplifiers intended for industrial... |
| US-7,508,852 |
Passive mode-locked semiconductor laser diode, and optical clock signal
extracting device To provide an optical clock signal extracting device with a simple configuration, by which an optical clock signal may be extracted without depending on the... |
| US-7,508,851 |
Clock transfer device A clock transfer device is designed to perform long-distance transfer of a reference clock, which is generated based on a high-precision frequency standard,... |
| US-7,508,850 |
Apparatus for modifying CO.sub.2 slab laser pulses The quality of pulses output from laser systems such as super-pulsed CO.sub.2 slab lasers can be improved using half-wavelength electro-optic modulators (EOMs),... |
| US-7,508,849 |
Wavelength tunable laser device A semiconductor optical amplifier, an acousto-optic tunable filter, a phase shifter, a lens, and an internal etalon are arranged in a resonator. Outside the... |
| US-7,508,848 |
Method and configurations in achieving high energy operation for photonic
band gap (PGB) fiber with end caps A fiber Chirped Pulse Amplification (CPA) laser system includes a photonics band gap (PBG) fiber to function as a compressor. The PBG fiber is spliced with a... |
| US-7,508,847 |
Ultra-short laser source with rare earth ions and stable pulse train and
device for lengthening a laser cavity A rare earth ion ultrashort laser source includes a resonant cavity having a first output face partially reflecting and a second reflecting face. The source also... |
| US-7,508,846 |
Physical capacity aggregation system and method Provided is a method and apparatus for segmenting packets into cells of variable sizes in order to facilitate the parallel transport of data symbols common to a... |
| US-7,508,845 |
Method of and apparatus for communicating isochronous data In order to enable isochronous data to be transmitted over communications systems which may introduce timing jitter each packet of isochronous data is provided... |
| US-7,508,844 |
Frame signal waveform observation apparatus and method A trigger signal generating apparatus includes a frame synchronous circuit which receives a frame signal having a predetermined bit rate and outputs a... |
| US-7,508,843 |
Method and apparatus for distributing timing data across a packet network A method for distributing timing information across a packet network includes generating timing signals at a master clock at predictable intervals using a clock... |
| US-7,508,842 |
Method and apparatus for pilot signal transmission A method and apparatus for pilot signal transmission is disclosed herein. In particular, a pilot transmission scheme is utilized where pilot sub-carrier... |
| US-7,508,841 |
Enhanced language support for legacy call control system This invention provides a method and apparatus for incorporation with a non-modifiable legacy IP telephony call control system. The system generally includes a... |
| US-7,508,840 |
Mobile temporary incident area network for local communications
interoperability An ad hoc emergency interoperability communication network is established by providing universal temporary incident area network modules that communicate with... |
| US-7,508,839 |
Encapsulator and an associated method and computer program product for
encapsulating data packets A method for encapsulating at least one data packet includes fitting at least one data packet into at least one column of an application data table of an array... |
| US-7,508,838 |
Ethernet port apparatus supporting multiple physical media, media managing
method therefor, and switching... Provided is an Ethernet port apparatus supporting multiple physical media, a physical medium managing method, and a switching system using the same. The Ethernet... |
| US-7,508,837 |
System and method for receive queue provisioning Systems and methods that provide receive queue provisioning are provided. In one embodiment, a communications system may include, for example, a first queue pair... |
| US-7,508,836 |
Data processing apparatus and method for handling transactions A data processing apparatus and method are provided for handling transactions issued to a slave device from a master device. Each transaction involves the... |
| US-7,508,835 |
H.323 user, service and service provider mobility framework for the
multimedia intelligent networking The present invention provides a method and system for assuring H.323 alias address portability to an H.323 user in real-time H.323 multimedia communications... |
| US-7,508,834 |
Wireless link for power line communications system One embodiment of the present invention may include of plurality of wireless hops that provide a multi-hop wireless link for facilitating the communication of... |
| US-7,508,833 |
Wireless communication apparatus and base station detection method An example wireless communication apparatus stores ANY scan responsive flags to indicate whether or not each access point to be an object of access is an access... |
| US-7,508,832 |
Method and system for providing broadcast channels over an emulated
subnetwork A method and system for communicating traffic on an emulated subnetwork of a telecommunications ring having a plurality of nodes interconnected by a transmission... |
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