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8170488 |
Mitigation of internetwork interference
When a device in one wireless network receives interfering transmissions from an overlapping neighboring network, the neighboring network may be notified of the interference so that non-interfering...
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8160648 |
Method and apparatus for receiver diversity control in wireless communications
Receiver diversity in a wireless device is controlled in response to operating conditions, transmission requirements, and control settings. The control of diversity reduces power consumption by...
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8155595 |
Method for iterative interference cancellation for co-channel multi-carrier and narrowband systems
In a co-channel deployment of narrowband and multi-carrier technologies (e.g., a femtocell and a macrocell), a method provides cancelling of interference which treats the co-channel signals as...
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8150470 |
System and method for transmission parameter control for an antenna apparatus with selectable elements
A system and method for improved data transmission on a wireless link to a remote receiving node includes a communication device for converting packets to RF at a physical data rate, an antenna...
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8145174 |
Orthogonal cross polarization interference compensating device, demodulator, receiving station, and method of compensating cross-polarization interference
An orthogonal cross-polarization interference compensating device for solving the problem in which integration contents of an integration circuit are indefinite when a control loop is cut. An...
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8144824 |
Trend influenced time tracking
A method for determining a communication channel location is disclosed. A first subset of a plurality of channel impulse responses is averaged over a first time period to produce a first filtered...
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8140068 |
Techniques for feedback in cellular systems to mitigate interference in downlink
An embodiment of the present invention provides a method, comprising broadcasting base station (BS) channel allocation methods and supported interference mitigation techniques in a whole cell by...
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8135370 |
FM tuner having adaptive bandpass filter for adjacent channel interference
Adjacent interference is reliably detected in an FM tuner. A receiving field strength judgment circuit (102) compares a reception field strength signal SM-DC input from an S-meter circuit (92) and...
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8135349 |
Apparatus and method for interference cancellation in multi-antenna system
An apparatus and method for interference cancellation in a multi-antenna system are provided. A transmission apparatus includes a channel identifier, a scheduler, an interference canceller, and a...
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8135350 |
System for reducing signal interference
A system for suppressing interference imposed on a victim communication signal by an aggressor communication signal including a circuit that comprises an input port, an output port, and a signal...
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8121022 |
MIMO OFDM system
A MIMO OFDM system includes a plurality of space-time encoders for encoding respective data blocks with independent space-time codes. The transformed data block signals are transmitted by a...
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8111657 |
Optimising communication links
A method allocates transmission channels to transmit nodes in a wireless network, the network comprising receive nodes and respective transmit nodes. Each receive node receives a data signal from...
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8107906 |
Transceiver with receive and transmit path performance diversity
Methods and apparatus for implementing a wireless communication transceiver having receive path performance diversity. The transceiver implements a plurality of signal paths that can be configured...
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8102798 |
Method and apparatus for managing scanning in wireless computing devices to reduce power consumption
A method and system for scanning in a wireless device having a wireless network interface card (NIC) is presented. The system has a scanning history table for storing scanning results and a...
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8098779 |
Interference detection and mitigation
Techniques for detecting and mitigating interference are described. A device (e.g., a cellular phone) senses interference levels and digitally reconstructs the expected interference in the received...
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8086178 |
Beam-forming method for realizing interference suppression
The present invention discloses a beam-forming method for realizing interference suppression, comprising steps of: a. performing channel estimation for an expected user signal and interference...
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8085719 |
System and method for achieving wireless communications with enhanced usage of spectrum through efficient use of overlapping channels
An improved system and method for wireless communications, as well as a method for configuring wireless communication devices for use in such a system, are disclosed. In at least some embodiments,...
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8081944 |
Wireless transmitter receiver
A wireless monitoring receiver and system use multiple video data feeds from a plurality of cameras. The video feeds are transmitted using a multi-antenna technique, and decoded by a multi-antenna...
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8081945 |
Feedback cancellation system and method
A system and method for detecting antenna coupling and for providing feedback cancellation in response to the antenna coupling includes a signal feedback cancellation circuit configured to be...
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8073394 |
Prediction of uplink interference potential generated by an ancillary terrestrial network and/or radioterminals
Methods are provided for predicting uplink interference potential to a mobile satellite system (MSS) generated by ancillary terrestrial components (ATCs) of an ancillary terrestrial network (ATN)...
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8064824 |
Systems and methods for reducing power robbing impact of interference to a satellite
Processing return feeder link signals at a satellite gateway including a first and second receive antennas includes receiving first and second return feeder link signals at the first and second...
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8059768 |
Method and device for removing narrow band interference in spreading frequency system
Narrow-band interference in spread spectrum systems is eliminated by performing a frequency spectrum transform on N sampling points of the data to obtain N points of data; after M transforms,...
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8060020 |
Apparatus and method for removing interference signal using selective frequency phase converter
An apparatus and method for removing an interference signal using a selective frequency phase converter are disclosed. The apparatus for removing an interference signal using a selective frequency...
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8050645 |
Active resistive summer for a transformer hybrid
A communication system includes a first transmission channel with a first end and a second end. The first and second ends are coupled to first and second transformers. First and second end...
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8045946 |
Active resistive summer for a transformer hybrid
A system includes a transceiver configured to receive a composite signal. The composite signal is a composite of a transmit signal and a receive signal. A replica transmitter is configured to...
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8045501 |
Method and apparatus for signaling uplink scheduling information
A method (300) and apparatus (200) for signaling uplink scheduling information is disclosed. The method may include determining (320) whether an enhanced general packet radio service 2-B mobile...
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8036621 |
Receiving apparatus, signal processing circuit, and signal receiving method
There is provided a receiving apparatus having a simple configuration and an excellent ability to eliminate multipath noise, in which an antenna in a good reception state can be instantly selected....
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8036691 |
Method for data transmission in a radio communication system as well as radio station and radio communications system
A first signal containing first data multiplied by a first weight factor is transmitted from a first radio station to a first terminal. The first weight factor is calculated taking into account a...
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8027411 |
Wireless receiver
A wireless receiver having improved receiving characteristics is provided. The wireless receiver (151) is provided with an antenna (152) for receiving wireless signals including a modulation signal...
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8023897 |
Control system and method in a communication system
In a control method of a communication system, a Base Station (BS) receives noise and interference information from at least one neighboring BS in charge of a neighboring cell being adjacent to a...
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8022781 |
Redundancy system for a telecommunication system and related methods
A redundancy system for a co-channel telecommunication system and related methods. Implementations of the redundancy system may include at least a first modulator and a second modulator having a...
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8023916 |
Onboard reception device, and noise cancellation method for onboard reception device
This onboard reception device includes: a first receiver; a second receiver which is tuned to a second frequency which is different from a first frequency to which the first receiver is tuned, and...
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8019050 |
Method and apparatus for providing feedback of vocal quality to a user
Embodiments of the invention relate to a feedback mechanism that informs a user of a communication device to adjust the volume, pitch, tone or other characteristic of his voice so as to compensate...
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8019305 |
Interference reduction for multiple signals
The present invention reduces the degradation in performance of one or more radio signals that are co-transmitted with a first radio signal from the same transmitting antenna in the same frequency...
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8014745 |
High isolation multiple carrier system architecture for communications
A compensation apparatus for an integrated communication system is disclosed. The integrated communication system can include a first communication device having a first transmitter antenna, and a...
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8009634 |
Apparatus and method for reducing other-cell interference in a broadband wireless communication system
An apparatus and method for avoiding interference in a broadband wireless communication system using FCS are provided. The apparatus and method include a receiver for monitoring channel statuses of...
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8000669 |
Automatic beat/tone removal algorithm
A system for detecting and removing undesirable noise, such as beats and tones, from radio signals. The system includes a manual oscillator that is a manually tuned by a user to a selected manual...
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8000674 |
Canceling self-jammer and interfering signals in an RFID system
Briefly, in accordance with one or more embodiments, a method and device capable of canceling self-jammer and one or more other interfering signals in an radio frequency identification system or...
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7996048 |
Enhanced call reception and privacy
An audio interface adapted to reduce a subscriber voice may receive a subscriber voice and a background noise. The subscriber voice may then be compared to the to the background noise. If the...
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7995520 |
Wireless communication system and terminal
The present invention provides a wireless communication system and a terminal. A base station notifies terminals of an intensity of a received interference power. The terminal controls a...
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7995981 |
Receiver with image rejection calibration at an undesired picture carrier and method therefor
In one embodiment, a method is provided. An in-band calibration tone is generated at a frequency of an undesired interfering signal. A receiver is calibrated using the calibration tone to reject...
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7986755 |
Method and apparatus for calibration for beamforming of multi-input-multi-output (MIMO) orthogonol frequency division multiplexing (OFDM) transceivers
An embodiment of the present invention includes a calibration system employed in a multi-input-multi-output (MIMO) system for beamforming and receiving a plurality of streams. The system includes a...
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7965993 |
Method for polarization correction in user equipment
A method and device for compensation of received signal components at a user equipment (UE) used for receiving signal components from a radio base station (RBS). The signal components have at least...
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7962113 |
Receiver with multi-tone wideband I/Q mismatch calibration and method therefor
In one embodiment, a method provides multiple-tone wideband I/Q mismatch calibration. A plurality of calibration frequencies is selected within a channel. A calibration tone is applied to the...
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7953373 |
Prediction of uplink interference potential generated by an ancillary terrestrial network and/or radioterminals
Methods are provided for predicting uplink interference potential to a mobile satellite system (MSS) generated by ancillary terrestrial components (ATCs) of an ancillary terrestrial network (ATN)...
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7949304 |
Interference cancellation and receive diversity for single-valued modulation receivers
A combined SAIC receiver and a multiple-antenna, receive diversity receiver are employed to reduce interference in a wireless system. The real and imaginary parts of the de-rotated signal for each...
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7937057 |
Radio communication device
A spatial filtering adaptable for an interference wave that appears unsteadily can be implemented and also an interference canceling ability can be increased even in a condition that the...
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7929997 |
Noise detecting apparatus and AM broadcast receiving apparatus
A noise detecting apparatus detecting presence or absence of noise in a received signal, comprising: a first band selecting unit configured to select a first signal of a first frequency band that...
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7925302 |
Method and apparatus for receive diversity control in wireless communications
Receiver diversity in a wireless device is controlled in response to operating conditions, transmission requirements, and control settings. The control of diversity reduces power consumption by...
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7925236 |
Cross polarization interference canceling method and cross polarization interference canceling apparatus
A cross polarization interference canceling apparatus of the present invention includes: error detector 26 for extracting a difference between a demodulated signal that is the main polarization...
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