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Match Document Document Title
9014665 Phy-level wireless security  
A method for communication includes generating one or more data streams for transmission to respective target receivers, and one or more jamming streams. At least one parameter, selected from a...
8995902 Link 16-based geolocation of hostile jammers  
A method for Link 16-based geolocation of hostile jammers comprising the steps of collecting jamming noise I/Q samples at a plurality of locations, determining the relative time delay of reception...
8982933 Communications system including jammer using continuous phase modulation (CPM) and associated methods  
A communications system includes a target receiver having a passband and configured to receive an intended signal within the passband. The communications system also includes a jammer configured...
8965365 Robust frequency scan in presence of strong adjacent systems  
A method for performing a frequency scan in presence of an adjacent jammer signal is provided. The method can include a wireless communication device determining an occurrence of an acquisition...
8948683 Multi-mode phy-level wireless security  
A method for communication includes, in a transmitter that transmits one or more data streams to respective target receivers and one or more jamming streams for preventing the data streams from...
8934859 System and method for detection of RF signal spoofing  
One embodiment of the invention includes a radio frequency (RF) receiver system. The system includes an antenna configured to receive an RF input signal and an RF signal front-end system...
8929803 Radio frequency barrier in a wireless communication network  
A method and system for a radio frequency barrier in a wireless communication network include a barrier defined for protecting a space within the wireless communication network. A plurality of...
8903304 Systems and methods for radio frequency hopping communications jamming utilizing software defined radio platforms  
A dynamically-reconfigurable multiband multiprotocol communications jamming system and method is provided that are particularly suited for the generation of effective radio-frequency...
8897694 Regulation of service in restricted telecommunication service area  
Telecommunication service is regulated in a confined area in which telecommunication is restricted. Regulation includes control of wireless resources and access thereto, and monitoring wireless...
8897927 Data collection apparatus and portable data collection device  
An apparatus includes a portable device, a supporting base associable with a vehicle and connecting means to lock, or release, the device in the base. The apparatus further includes detecting...
8886199 Apparatus and method for controlling interference via information exchange between base stations in communication system  
An apparatus and a method control interference via inter-base station information exchange in a communication system. In a method for operating a serving base station, for controlling interference...
8885453 Enhanced stomp-and-restart with interference suppression  
Enhanced stomp-and-restart techniques are provided. At a plurality of antennas of a wireless communication device, energy is received in a channel in which one or more frames may be transmitted to...
8874025 Time-varying PHY-level wireless security  
A method for communication includes generating a data transmission including multiple successive parts in respective time intervals, for transmission to a target receiver. At least one jamming...
8848822 Feedback method for interference alignment in wireless network  
A feedback method for interference alignment in wireless network having K transmitters and K receivers, the method including: transmitting, by a transmitter n−1, a precoding vector of the...
8838017 Wideband jammer detector  
Techniques for detecting jammer signals in a received signal are described. In one aspect, high-speed current mirror resistive compensation circuits and output impedance boosting circuits are...
8824955 Simplified apparatus for positively preventing the use of mobile personal communication devices  
A simplified apparatus for positively preventing the use of mobile personal communication devices by the operator of a vehicle comprises a motion responsive device in the vehicle, switching means...
8818435 System for receiving satellite signals  
System for receiving satellite signals jammed by at least one source of interference and by a thermal noise comprising means for receiving the said satellite signals, means for filtering the said...
8804610 Packet transmission scheduling method for simultaneous packet transmission in multiplexing paths in wireless network, and packet transmission method using the same  
Provided are a packet transmission scheduling method in a wireless network and a packet transmission method using the same. The packet transmission scheduling method, includes storing location...
8799407 Computer program and method for biometrically secured, transparent encryption and decryption  
A computer program for enabling secured, transparent encryption and decryption provides a user interface that allows a user to drag and drop files into and out of a secure repository and...
8793791 Methods for detecting and classifying signals transmitted over a radio frequency spectrum  
A method for classifying a signal is disclosed. The method can be used by a station or stations within a network to classify the signal as non-cooperative (NC) or a target signal. The method...
8768242 Remote satellite terminal with antenna polarization alignment enforcement and associated methods  
A communications system includes a satellite hub, a remote satellite terminal, and a satellite configured to provide communications therebetween. The remote terminal includes a controller that...
8761661 Regulation of service in restricted telecommunication service area  
Telecommunication service is regulated in a confined area in which telecommunication is restricted. Regulation includes control of wireless resources and access thereto, and monitoring wireless...
8744336 Interference detection apparatus and method  
Techniques for detecting jammers in a received signal are described. A jammer detector includes a jammer filter for attenuating transmit signals leaked into the receive path, a pulse generator for...
8737909 Digital processing for co-site interference mitigation  
A radio system providing long-range radio communications in the presence of a co-located high power jammer or other radio transmitter that is operating in a frequency band overlapping the...
8725125 Systems and methods for controlling audio playback on portable devices with vehicle equipment  
Systems and methods are provided for playing media assets in a vehicle. A signal indicating the existence of a voice call is detected in a vehicle. It is determined whether a portable device...
8718536 Apparatus, system, and method for detecting the presence and controlling the operation of mobile devices within a vehicle  
An apparatus, system, and method for determining the presence of a mobile device located in a predetermined detection zone within a vehicle are disclosed. A detection module receives a...
8705407 Efficient protocols against sophisticated reactive jamming attacks  
Embodiments of the invention provide systems and methods for deactivating reactive jamming attacks and other sophisticated attacks in wireless sensor networks (WSNs). In one system, trigger nodes...
8706143 Driver handheld computing device lock-out  
Lock-out mechanisms for driver handheld computing devices. The lock-out mechanisms disable the ability of a handheld computing device to perform certain functions, such as texting, while one is...
8698667 Device for countering and tracking a threat in the form of a homing-head missile  
The invention concerns a device for countering and tracking a threat in the form of a homing-head missile, comprising a homing head adapted to receive an incident coherent light beam and to...
8693944 Method and apparatus of performing video programming security control  
Disabling data channels at a customer premises provides, in one embodiment, generating at least one jamming signal and inserting the at least one jamming signal at a first frequency to jam at...
8655261 RF redirection module and system incorporating the RF redirection module  
An RF redirection module incorporated into an RF system already having a receive antenna and a first transmit antenna allows the RF system to be coupled to a second transmit antenna and to provide...
8649729 System and method for providing broadband interference and allowing communication therethrough  
A system and method are provided for transmitting a broadband interference signal and allowing communication through the transmitted interference signal. The system includes an interference...
8630602 Pilot interference cancellation  
Techniques for generalized pilot interference cancellation in a communications receiver. In an exemplary embodiment, a residual pilot is cancelled from a post-traffic cancellation signal following...
8629796 Preventing interference between microcontroller components  
A microcontroller includes first and second modules. The first module can operate in a mode that causes interference with operation of the second module. A control circuit on the first module and...
8620620 Method for testing a circuit card assembly  
A method(s) of testing AN/ULQ-21 (Hydra) Circuit Card Assembly(ies) (CCAs), which involve providing software to perform automated tests on Hydra CCAs that make up the Hydra Countermeasures Set and...
8615190 System and method for allocating jamming energy based on three-dimensional geolocation of emitters  
According to an embodiment of the present invention jamming energy is allocated to a plurality of emitters based on a three-dimensional (3-D) emitter geolocation technique that determines the...
8612767 Obscuring an accelerometer signal  
The present disclosure presents techniques for determining when to obscure an accelerometer signal from an accelerometer of a mobile device. The techniques include determining whether a user has...
8606253 Apparatus and method for setting communication service blocking mode in mobile terminal  
An apparatus and method for setting and releasing a flight mode in a mobile terminal are provided in which a user of the mobile terminal is informed that the flight mode should be set or released...
8606171 Methods of suppressing GSM wireless device threats in dynamic or wide area static environments using minimal power consumption and collateral interference  
Techniques for detecting wireless devices that are signaling in high proximity to a convoy or other operation and preventing messages from reaching the wireless devices. One class of the...
8602306 Device for protecting contactless communication objects against fraud  
The protection device (1) avoids accidental or fraudulent intrusion of at least one contactless communication object (3) with a smart circuit (31, 32) storing sensitive information or information...
8600290 Hybrid band directed energy target disruption  
A technique for disrupting the operation of a target containing nonlinear electronic devices generally includes generating a high frequency signal; generating a low frequency signal; modulating...
8594575 Shifted channel characteristics for mitigating co-channel interference  
Methods and apparatuses for minimizing co-channel interference in communications systems are disclosed. A method in accordance with the present invention comprises shifting a characteristic of the...
8594563 Security for wireless communication  
A mobile terminal is disclosed which includes a near field or RFID tag (41). The mobile terminal (1) communicates with the mobile telecommunications network and is authenticated with that network...
8581771 Scene illuminator  
A system is disclosed to identify authorized EO devices and unauthorized EO devices within a scene. The system hampers the operation of the unauthorized EO devices detected within the scene.
8583138 Communications system with efficient multiprotocol-aware channel selection and interference avoidance  
In one example, a method and system for selecting a channel for use with a mobile communication device is described. A shared frequency band shared between a first wireless communications protocol...
8571508 Method and wideband antenna system to minimise the influence of interference sources  
A method to minimize influence of interference sources by control of a signal to noise/interference ratio of a wideband antenna system connected to an electronic system. The wideband antenna...
8571153 Method and apparatus for mitigating interference in a satellite signal receiver  
A method and apparatus for mitigating interference in a satellite signal receiver is described. The satellite signal receiver receives satellite signals from a plurality of satellites. In one...
8565439 Method for detecting the scrambling of a radiocommunication network, and corresponding storage means and circuit  
A method is provided for detecting scrambling of a radiocommunication network. The method is applied by a radiocommunication circuit capable of being connected to the network by being synchronized...
8564714 Electronic camera that wirelessly transfers data, which includes a power save mode  
An electronic camera comprises a wireless communication unit that performs wireless communication with a computer or a printer, and a power save mode changeover unit that changes over a power save...
8565669 Methods and apparatus for power reduction in a transceiver  
An integrated circuit for achieving power reduction in a transceiver may include a jammer detector that determines an interference level corresponding to a received signal, and a transmit power...

Matches 1 - 50 out of 423 1 2 3 4 5 6 7 8 9 >