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| Number | Title | Issue Date |
| 8175559 | Receiving apparatus The present invention is intended to be able to ensure detecting whether an open-circuit occurs to a feeder within short time with simple configuration. A receiving apparatus 2 according to the present invention receives image information transmitted from a c... | 05/08/2012 |
| 8060041 | Adaptive receiver for wireless communication device In general, the disclosure is directed to techniques for combining a high performance receiver and a low power receiver within a wireless communication device (WCD) to reduce power consumption. Upon receiving a signal from a base station, a controller within the WCD... | 11/15/2011 |
| 8032098 | MIMO receiver with pooled adaptive digital filtering MIMO receiver with a reconfigurable pooled digital filter is disclosed. A processor sets parameters of the filter to minimize the number of instructions per second and the amount of power required by the filter to perform, while matching the filter to a transmitter ... | 10/04/2011 |
| 8027650 | Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements A system and method for processing signals are disclosed. The method may include spreading N replicas of a received signal with N orthogonal sequences. A scrambled set of N channel signals may be generated based on the spread N replicas of the received signal. M rep... | 09/27/2011 |
| 7970367 | System for dual diversity receiver using switched LNAS System for dual diversity receiver using switched LNAs. A dual diversity receiver is provided that includes two antennas to receive a radio signal, where each antenna produces an antenna signal that is representative of the received radio signal. The receiver includ... | 06/28/2011 |
| 7941111 | Method and system for detecting an RF signal A number of RF receivers are connected in a network. The network is used to transmit communications, data, or both to and from the RF receivers and to synchronize the RF receivers to a common time. Digitized RF data is time-stamped and stored in memory. A trigger ci... | 05/10/2011 |
| 7917108 | Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements A system and method for processing signals are disclosed. The method may include scrambling a first composite signal comprising N orthogonal sequences to generate a set of N channel signals. A second composite signal including M orthogonal sequences may be scrambled... | 03/29/2011 |
| 7822395 | Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements An iterative multistage detection system and method for orthogonally multiplexing K channels onto a signal processing chain using N orthogonal sequences of length N. The K channels include a first set of N channels and a second set of M channels (the M channels bein... | 10/26/2010 |
| 7711335 | Digital satellite receiver and method for switching among multiple receiver antennas using diversity circuitry A receiver for receiving and processing digital satellite radio signals includes multiple antenna modules for receiving digital satellite radio signals, multiple processing circuits for converting digital satellite radio signals to low-IF or 0-IF signals, diversity ... | 05/04/2010 |
| 7676202 | Radio system A radio system for the reception of broadcast signals is provided that includes two antennas picking up radio signals and two signal receivers receiving the radio signals, the two antennas and the two receivers operating in diversity operating modes. The radio syste... | 03/09/2010 |
| 7454181 | Multi-antenna receive diversity control in wireless communications A mobile device comprises a receiver unit that has at least two receivers to implement multi-antenna receive diversity. A control unit estimates, at the mobile, an amount of utilization by a traffic channel of the mobile of total transmission power capacity at a bas... | 11/18/2008 |
| 7433660 | Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements An iterative multistage detection system and method for orthogonally multiplexing K channels onto a signal processing chain using N orthogonal sequences of length N. The K channels include a first set of N channels and a second set of M channels (the M channels bein... | 10/07/2008 |
| 7433659 | Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements An iterative multistage detection system and method for orthogonally multiplexing K channels onto a signal processing chain using N orthogonal sequences of length N. The K channels include a first set of N channels and a second set of M channels (the M channels bein... | 10/07/2008 |
| 7421261 | Blind detection The present invention relates to a blind detection of a received signal having at least one property, which initially is unknown to the receiver, however, limited to a finite set of alternatives ({p1, p2, . . . , pm}). According to t... | 09/02/2008 |
| 7412218 | Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements An iterative multistage detection system and method for orthogonally multiplexing K channels onto a signal processing chain using N orthogonal sequences of length N. The K channels include a first set of N channels and a second set of M channels (the M channels bein... | 08/12/2008 |
| 7400872 | Radio receiver for selecting appropriate diversity antennas by comparing correlation values and a method for the same In the diversity receiver, the RF switcher switches the received signals to supply them to the RSSI power detector equipped with diversity function. Subsequently, the RSSI power detector with diversity function feeds the RF switcher with an antenna switching signal.... | 07/15/2008 |
| 7392025 | Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements An iterative multistage detection system and method for orthogonally multiplexing K channels onto a signal processing chain using N orthogonal sequences of length N. The K channels include a first set of N channels and a second set of M channels (the M channels bein... | 06/24/2008 |
| 7386328 | Receiver To provide a receiver having a plurality of receiver circuits respectively connected to different antennas and a selecting circuit for selecting a receiver circuit whose receiving level is equal to a predetermined threshold value or a receiver circuit whose receivin... | 06/10/2008 |
| 7369810 | Satellite transponder architecture with integral redundancy and beam selection capabilities A transponder system that integrates redundancy and beam selection capabilities is disclosed. The transponder system comprises an amplifier network having a plurality of amplifiers; an antenna network, comprising a plurality of antennae; an output switching network,... | 05/06/2008 |
| 7366143 | Diversity receiving radio base station with high reception sensitivity and high time slot utilization efficiency The present invention aims to provide a radio base station that has equivalently high reception sensitivity without increasing the number of antenna elements while keeping the utilization efficiency of time slots high. The radio base station comprises a radio unit | 04/29/2008 |
| 7366091 | Method and apparatus for changing parallel clock signals in a digital data transmission The object of the invention is to introduce an advanced method and arrangement for changing parallel data transmission connections in an assured data transmission link. According to the method of the invention, the transmission path to be received is changed, prior ... | 04/29/2008 |
| 7363016 | Diversity receiving apparatus and method A communication system comprises a first signal adjusting unit for amplifying a first signal received by a first antenna; a second signal adjusting unit for amplifying and phase-shifting a second signal received by a second antenna to generate a phase-shifted signal... | 04/22/2008 |
| 7356323 | Antenna selection for diversity combining A diversity combining receiver may employ a switching architecture that permits multiple receiver chains to be coupled to multiple antennas. ... | 04/08/2008 |
| 7349673 | Adaptive radio transceiver with an antenna matching circuit An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged ... | 03/25/2008 |
| 7339979 | Adaptive beamforming methods and systems that enhance performance and reduce computations Wireless communication systems and methods are provided that a) enable progressive beamforming with antenna arrays and subarrays, b) provide current and delayed versions of data-carrying signals, and c) provide time-of-arrival of data-carrying signals. The progressi... | 03/04/2008 |
| 7330707 | Hetrodyne receiver and IC In a heterodyne receiver, the effect of an image interference signal that occurs in a case where a low intermediate frequency is used is alleviated. Circuits (12I), (12Q), (13I), (13Q), and (14) are provided to switch a heterodyne ... | 02/12/2008 |
| 7324831 | Method and system for asymmetric dual-mode radio communications Transmitter and receiver functionality are separated in dual-mode radio transceivers to support high-rate services. Transceivers with highly asymmetric requirements that need only a high-rate transmission or only high-rate reception functionality are supported by in... | 01/29/2008 |
| 7315733 | Antenna-switching diversity receiver capable of switching antennas without deterioration of reception characteristic even when applied to the CDMA communication method An antenna-switching diversity receiver is capable of switching antennas without bringing about deterioration of reception characteristics even when applied to the CDMA communication method. A TFCI bit decoding/determination unit decodes TFCI bits that have been ext... | 01/01/2008 |
| 7310503 | Diversity reception device and diversity reception method The circuit size of a diversity receiver for an orthogonal frequency division multiplexing signal is reduced, and the diversity effect is increased, by providing a power ratio comparator that calculates a difference value as a ratio of powers derived from channel es... | 12/18/2007 |
| 7308037 | Radio receiving apparatus and method Radio receiving apparatus includes antennas, radio units adjusting gains of received signals, and outputting the adjusted received signals, respectively, converters converting the adjusted received signals into digital signals, selector device which selects several ... | 12/11/2007 |
| 7299027 | MIMO receiver and MIMO reception method for selection of MIMO separation and channel variation compensation A Multi-Input/Multi-Output (MIMO) receiver may include a plurality of receiving antennas that receive a plurality of radio signals and an estimation section that finds channel estimation values of the plurality of radio signals. A MIMO separation section separates, ... | 11/20/2007 |
| 7289470 | Method and apparatus of performing handoff In a mobile communications system, a mobile station communicates with a first base station operating at a first antenna specific weight factor. While the mobile station is both in a coverage area of the first base station and a coverage area of a second base station... | 10/30/2007 |
| 7277679 | Method and apparatus to provide multiple-mode spatial processing to a terminal unit Methods and apparatuses, including computer program products, for spatial processing in a remote terminal unit. One embodiment is a wireless remote terminal receiver in a wireless terminal unit for operation in a wireless communication system. The wireless remote te... | 10/02/2007 |
| 7272428 | Wireless electrocardiograph system and method A method and system for wireless ECG monitoring is provided. An electrode connector, transmitter and receiver operate with existing electrodes and ECG monitors. The electrode connector includes connectors for attaching to disposable or reusable single electrodes. Th... | 09/18/2007 |
| 7260370 | Wireless communication system using a plurality of antenna elements with adaptive weighting and combining techniques The present invention provides a method and system for operating a wireless communication system in which received signals from a plurality of antennas are weighted and combined with a beam forming operation to form an output signal. The beam forming operation deter... | 08/21/2007 |
| 7260369 | Location finder, tracker, communication and remote control system A radio frequency identification (RFID) device, locator, wired and/or wireless communicator system comprising one or more than one antennas for receiving Radio Frequency (RF) signals from one or more RFID and or location determining and/or communication transmitters... | 08/21/2007 |
| 7254366 | Inductive communication system and method A system and method communicate signals between a portable unit and a communications system. The portable device communicates with a base unit using inductive coupling. The base unit is further connected to a wider communication system such as a telephone network. M... | 08/07/2007 |
| 7251503 | Diversity receiving apparatus and wireless receiving apparatus using the same During all or part of a time period during which pattern signals are received, a diversity receiving apparatus allows a gain control section to fix the gain of a gain amplifier section, allows an antenna switching section to sequentially switch the selection of ante... | 07/31/2007 |
| 7248625 | Compensation of I-Q imbalance in digital transceivers A transceiver includes a switching unit configurable for isolating an input of a receiver from an output of a transmitter during a local calibration mode. A known signal present at the output at a first power level during the calibration mode will also be present at... | 07/24/2007 |
| 7245881 | System and method for antenna diversity using equal power joint maximal ratio combining An equal gain composite beamforming technique which constrains that the power of the signal output by each antenna is the same, and is equal to the total power of the transmit signal divided by the number N of transmit antennas from which the signal is to be transmi... | 07/17/2007 |
