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7620967 |
Method for transmitting multimedia information elements, receiver of multimedia information elements distributed by said method and user interface for consulting said information elements
A method of broadcasting multimedia information items, a receiver of multimedia information items broadcast by that method, and a user interface for consulting the information items. The invention...
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7620138 |
Apparatus for receiving parallel data and method thereof
A data reception apparatus adjusts a first clock signal and fetches the data signal in a data buffer, using a data signal in accordance with the adjustment clock signal in such a way that a set-up...
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7620131 |
Digital clock controller, radio receiver, and methods for use therewith
A digital clock generator includes a base clock generator for generating a base clock signal at a variable base clock frequency in response to a control signal. A digital clock controller generates...
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7620125 |
Frequency estimation apparatus and related method
A method of frequency estimation includes (a) receiving frequency correction channel (FCCH) data samples; (b) calculating an estimated frequency offset based on the received data samples; (c)...
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7620124 |
Direct conversion receiver and receiving method
A receiving method and a direct conversion receiver are provided. The receiver comprises a mixer ( 308 ) for mixing a received signal into a base band signal comprising I and Q branches, and an A/D...
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7620122 |
Communication apparatus including a demodulator having a tone detection mechanism
A communication apparatus includes a receiver may receive a signal including one or more frequencies associated with a symbol. The symbol may be any type of symbol such as a text telephone symbol...
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7620120 |
Interoperability improvement in terminals having a transmitter interfering with a receiver
A method is performed in a receiver including a number of modules. The method includes receiving information in a reception frequency band. Responsive to a notification from a transmitter of a...
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7620119 |
Communications receiver with digital counter
A communications receiver includes a digital counter to count transitions of a carrier signal subject to on/off keying.
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7620115 |
Space code block coding and spreading apparatus and method for transmission diversity and CDMA diversity transmitter and CDMA mobile station receiver using the same
A space code block coding and spreading apparatus for transmission diversity, a Code Division Multiple Access (CDMA) diversity transmitter using it, and a CDMA mobile station receiver for receiving...
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7620099 |
WCDMA terminal baseband processing module having multi-path scanner module
A baseband processing module according to the present invention includes a multi-path scanner module. The multi-path scanner module is operable to receive timing and scrambling code information...
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7616720 |
Multirate digital transceiver
A multirate digital transceiver in which, on reception, signals are simultaneously decimated and coarsely down converted in an iterative process to narrow down a received wideband to a desired...
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7616715 |
Method and system for estimating the speed of a mobile device in a network
A method for estimating the speed of a mobile device in a network is provided that includes selecting a correlation length from a plurality of possible correlation lengths. A correlation result is...
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7616707 |
Methods and apparatus for reducing a sampling rate during a sampling phase determination process
A received signal is sampled at a sampling period of T+m*(T/n) during a sampling phase determination process. T is a symbol or chip period of the received signal, n is a number of phases of the...
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7616706 |
Repetition coding in a satellite-based communications system
A satellite communications system comprises a transmitter, a satellite transponder and a receiver. The transmitter transmits an uplink multi-level modulated signal (hierarchical modulation or...
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7616705 |
Monolithic GPS RF front end integrated circuit
A highly integrated GPS RF Front End, an interface thereto, and a GPS receiver that incorporates the GPS RF front end, which uses a single conversion stage employing an image rejection mixer stage...
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7616682 |
Method and device for chronologically synchronizing a location network
Chronologically synchronizing a unique positing signal generated by a positioning-unit device at a known location with a reference positioning signal generated by a reference transmitter at a known...
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7616680 |
Method for processing data in a spread spectrum system
A method for processing data in a spread spectrum system, including decimating a data rate of received spread spectrum data by a decimation factor to a decimated rate; storing the received spread...
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7616676 |
Method and system for performing distance measuring and direction finding using ultrawide bandwidth transmissions
An identification tag is provided in which radio frequency (RF) circuitry and ultrawide bandwidth (UWB) circuitry are both provided on the same tag, along with some UWB-RF interface circuitry. The...
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7613400 |
Multi-level optical data communication circuit
A driver circuit is coupled to an optical waveguide transmitter. The driver circuit has a current generator that is in series with the transmitter, and a current robbing circuit is coupled to the...
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7613253 |
Noise balanced QAM detection
A method of demodulating digital data using M'ary QAM has been disclosed, comprising the steps of detecting a complex symbol vector D, establishing within which reference symbol boundaries the...
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7613252 |
Installation of digital data receivers
The invention relates to the installation of a broadcast data receiver or similarly installable apparatus. The apparatus and method of the invention includes a means for taking measurements to...
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7613248 |
Signal processing with channel eigenmode decomposition and channel inversion for MIMO systems
Techniques for processing a data transmission at a transmitter and receiver, which use channel eigen-decomposition, channel inversion, and (optionally) “water-pouring”. At the transmitter, (1)...
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7613243 |
Interleaver and parser for OFDM MIMO systems
A MIMO wireless system includes a transmitter that has a transmitter having a parser that parses a bit stream into multiple spatial data streams and multiple interleavers corresponding to the...
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7610500 |
Link power saving state
Disclosed are embodiments of a method, apparatus and system for a low power state for a point-to-point link. During the low power state, the signal on both conductors of a differential transmit...
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7609788 |
Receiver apparatus using maximum-likelihood-determination
A metric calculating unit calculates a metric based on a provisional determination of a transmission signal and a reception signal. A lattice-point-range setting/estimate-symbol generating unit...
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7609772 |
Apparatus and method for optimally compensating for imbalance between in-phase and quadrature-phase in a zero-IF OFDM receiver
An optimum I/Q imbalance compensating apparatus and method in a zero-IF OFDM receiver. In the apparatus, a first compensator generates a first symbol by removing interference from a second...
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7606330 |
Dual-rate single band communication system
A system, method, and apparatus for a multiple data rate communication system is presented herein. The communication system receives data samples that are either sampled at a narrowband rate or a...
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7606329 |
Data receiver adaptively operable to received signal strength indication
The modem has an RF section developing an RSSI signal and a baseband signal converted from a received signal. A reference voltage output section feeds a reference voltage to a comparator. The...
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7606328 |
Common signal generation for an RF receiver
A common signal generating sub-system (CSGS) for a radio frequency (RF) receiver. The CSGS includes a down converter section and a digitizer section. The down converter section receives...
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7606327 |
Method to receive local information with a national broadcast service
A receiver is disclosed. The receiver includes a first antenna, a second antenna, a system controller, a national broadcast demodulator, a local broadcast demodulator, and an information output...
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7606318 |
Method of space-time encoding and decoding for frequency selective fading channel
The invention discloses a space-time encoding and decoding method for a frequency selective fading channel, comprising: an encoder takes two independent data fields of a time slot in input data as...
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7606288 |
Burst spread spectrum radio system and method for asset tracking and data telemetry
A system for wireless asset tracking is disclosed. The system includes a plurality of mobile devices. Each mobile device performs two spreading operations with two distinct PN codes, a first PN...
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7606139 |
Preamble detection using frequency based correlation
A method for detecting a preamble location in a multiple preamble OFDM (Orthogonal Frequency Division Multiplexing) system is disclosed. An OFDM signal is generated with a plurality of frames, and...
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7605737 |
Data encoding in a clocked data interface
One embodiment of the present invention includes a data transmission system. The system comprises a data transmitter that provides a plurality of data bits over at least one data line. The data...
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7602866 |
Signal receiver devices and methods
A method/apparatus is provided that detects impairment in a received signal and employs the structure in the receiver that is designed for that purpose. Preferably, the method/apparatus detects the...
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7602865 |
Apparatus and method for enhancing a reception rate of a receiver
A system and method is disclosed for enhancing a reception rate for a mobile communication system. A system is provided comprising a demodulator for separating a received signal into an I signal...
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7602863 |
Method and apparatus for providing iterative timing recovery
A method includes the steps of receiving a signal indicative of data bits, and performing per survivor processing-iterative timing recovery (PSP-ITR) on the received signal to generate...
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7602862 |
Mixing module and methods for use therewith
A mixing module includes a plurality of switched sample modules operably for generating a corresponding plurality of samples of an analog input signal in response to a control signal. A control...
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7602859 |
Calibrating integrating receivers for source synchronous protocol
An embodiment of the present invention is a technique to calibrate an integrating receiver. A delay calibration circuit calibrates an adjusting code of a chain of delay elements and positioning of...
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7602856 |
Mixer for mixing a signal and method for mixing a signal
A mixer for mixing a signal, present as a sequence of time-discrete values with a time interval between two time-discrete values defining a first sampling frequency from a current frequency to a...
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7602853 |
Method and apparatus for channel estimation
The invention relates to DVB-T system, and in particular, to a channel estimation method for OFDM symbols. A plurality of symbols are received to generate a pilot response. A finite impulse...
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7602835 |
Multi-rate spread spectrum composite code
A correlator despreads a P/N long code constructed from two or more constituent codes A, B, C having N, M and L elements respectively. In a third stage, L filter taps decorrelate elements of the...
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7602696 |
Adaptive guard intervals in OFDM systems
Dynamic guard interval adaptation is provided for devices having differing delay spreads in an OFDM communication system to reduce the guard intervals, with adaptation controlled by either the...
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7599453 |
Doppler spread estimation for OFDM systems
A Doppler spread value of a channel in an Orthogonal Frequency Division Multiplexing (OFDM) system is estimated, wherein the channel comprises a plurality of carrier frequencies. Estimating...
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7599422 |
Adjustable dual-band link
A communication system utilizing an adjustable link has at least a first data transmission circuit including at least a first communication link circuit. The first communication link circuit has a...
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7599333 |
Wireless messaging preambles allowing for beamforming and legacy device coexistence
A modified preamble is used by extended devices that operate in mixed mode environments and green field environments, to accommodate beamforming of transmissions. In one process, an extended...
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7599332 |
Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices
A modified preamble is used by extended devices that operate at higher rates, MIMO or other extensions relative to strict 802.11a-compliant devices. The extended devices might use multiple antenna...
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7596190 |
System, method, and apparatus for correction of code doppler shift
A method of signal reception according to one embodiment of the invention includes compensating for an estimated or measured Doppler shift during integration of a correlated signal. Such a method...
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7596189 |
Quadrature receiver sampling architecture
Quadrature receiver sampling architecture. A signal ADC performs analog to digital conversion for both I and Q streams. An analog MUX selects the appropriate I and the Q baseband analog input...
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7596188 |
Digital interface decode receiver apparatus
A power-down determination circuit calculates the horizontal frequency and vertical frequency, respectively, employing a clock signal obtained from a multiplier circuit and horizontal...
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