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7620183 |
Method for establishing a connection between a terminal and an operating mobile radio network, mobile radio network and terminal used in such a method
According to the inventive method, a message is transmitted from an operating mobile radio network (NW 2 ) to a terminal (MS 1 a ) that identifies coding techniques (UEA-NW) supported by the...
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7609748 |
Method, system and apparatus for maximizing a jammer's time-on-target and power-on-target
A system and method of electronic signal jamming employ a jamming signal transmitter, an electronic signal tuner and a controller. During a first time period, the transmitter transmits a jamming...
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7606534 |
Method for operating a base station of a mobile radio system, signaling unit, control unit, mobile station and computer program
The reception of a first base station of a first mobile radio system in a first frequency range can be influenced by transmissions, associated with a connection, of at least one subscriber station...
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7606524 |
Integrated monitoring and communications receiver architecture
The present invention is an integrated monitoring and communication receiver architecture. A staring receiver in accordance with the present invention may include a RF front end and a memory for...
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7596112 |
Method and apparatus for rate compatible dirty paper coding
A medium access control (MAC) entity first computes an achievable rate region based on a total transmit power limit and a channel gain of each of a plurality of WTRUs. Next, the MAC entity selects...
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7583774 |
Clock synchroniser
A clock synchronizer, for generating a local clock signal synchronized to a received clock signal, is described and claimed, along with a corresponding clock synchronization method. The clock...
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7574168 |
Selective GPS denial system
A selective GPS denial system includes a plurality of GPS deniers for disrupting reliable operation of GPS receivers, a plurality of remote sensor interfaces, a gateway, and a computer management...
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7558583 |
System and methods of radio interference based localization in sensor networks
A method for radio interference based sensor localization. In one embodiment, the method has the steps of creating an interference signal from a first transmitter and a second transmitter,...
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7554481 |
Localized jamming of navigation signals
Various approaches to localized jamming of navigation signals are provided. In one embodiment, a navigation signal comprises at least a portion of a low earth orbit (LEO) signal provided by a LEO...
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7532856 |
Regenerative jammer with multiple jamming algorithms
A jammer for generating and transmitting RF broadband jamming signals for jamming one or more local RF receivers. The jammer includes a broadband antenna unit for receiving broadband RF jammer...
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7521655 |
Method and system of automatic control
A method and apparatus for protecting a civil aircraft from missiles with infrared seeker heads includes detecting a launch of a missile from a location of launch, the missile having an infrared...
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7515096 |
Program to generate an aircrew display aid to assess jam effectiveness
The invention generally relates to the field of computer software particularly to an improved method of providing aircrew decision aids for use in determining the optimum placement of an Electronic...
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7511657 |
Aircrew display aid to assess jam effectiveness
The invention generally relates to the field of computer software particularly to an improved method of providing aircrew decision aids for use in determining the optimum placement of an Electronic...
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7505730 |
Cellular phone jammer that permits cellular communication in an emergency
The present invention is related to a cellular phone jammer permitting cellular phones to be used in an emergency, and includes a cellular phone signal-obstructing apparatus and an alarm apparatus....
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7483671 |
Processor based frequency selective jamming and communications system
In one general aspect, a communications system as described herein provides a wide-band jamming signal that is digitally created, conditioned, and modified by a processing based system to provide...
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7471926 |
Information processing terminal system and transmission/reception method using the same
An information processing terminal is attached to a transmitting and receiving unit which converts a reception wave signal from a network into a reception analog baseband signal and converts the...
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7460832 |
Methods and apparatuses for minimizing 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 scrambling a first frame using a...
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7460615 |
Spatial and time multiplexing of multi-band signals
A multi-band receiver for use with satellite ranging systems is provided. The receiver has a simplified architecture in which input signals of various frequencies are multiplexed together to form a...
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7436877 |
Method and apparatus to perform surgical reactive jamming while maintaining simultaneous tactical communications
A Method and Apparatus to Perform Surgical Reactive Jamming while Maintaining Simultaneous Tactical Communications is disclosed. The system provides an enhancement to surgical reactive jammers that...
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7423575 |
Method and apparatus for protecting personnel and material from RF-based threats using ultra-wideband (UWB) transmission
An ultra wideband (UWB) jamming system comprises a processor, a memory, a pulse generator, one or more UWB transmitters, and one or more UWB antennas. In an exemplary embodiment of the present...
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7415430 |
Broadcast response system
A broadcast response system provides, e.g., a radio broadcast listener with the ability to obtain media content such as music or speech while listening to the radio. The user can respond to items...
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7412209 |
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...
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7398078 |
Method and apparatus for security in a wireless network
The present invention relates to an apparatus and method for preventing unauthorized users from gaining access to a wireless network. A processor allows only data transmissions from the directions...
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7391356 |
System and method for suppressing radio frequency transmissions
A system and method for suppressing radio frequency (“RF”) transmissions includes a transmitter for transmitting electronic signals that suppresses (e.g., prevents, disrupts, jams, interferes...
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7378626 |
Directed infrared countermeasures (DIRCM) system and method
An agile, high-power, reliable DIRCM system that is easily extended to address sophisticated UV or UV-visible capable multi-band threats includes a missile warner having missile warning receivers...
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7376384 |
Wireless data network security
Access to a wireless data network to nodes located in a defined operational area is limited by transmitting a network signal within the defined operational area while transmitting a wave that can...
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7366520 |
Adaptive signal processing method in a MIMO-system
The invention relates to a signal processing method which optimizes the bit error rate under pragmatic conditions. The signalling method is optimally matched to the radio channel, variable with...
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7346310 |
Method for verifying anti-scrambling efficiency of a communication system
A method for the verification of anti-jamming in a communications system comprises several sensors or adaptive antennas, comprising at least the following steps:
estimating the mean power...
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7313358 |
Communication system for redirecting communication with radio frequency devices
A communication system that intercepts incoming radio signals and transmits a second signal notifying the user that a radio signal has been intercepted. The communication does so by using an...
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7312746 |
Method and system for calibration of a radio direction finder
A calibration method and a system for providing calibration data for use with a direction finder are provided. The method comprises providing a relative motion of a calibration receiver in a circle...
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7289761 |
Systems, devices, and methods for selectively preventing data transfer from a medical device
Systems and methods provide for the selective prevention of data transfer from a medical device to allow the patient to have privacy when desired. Theses systems and methods provide medical devices...
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7266348 |
Tire air pressure detection system
A tire air pressure detection system, able to prevent a strong electric field or strong radio interference from affecting transmitters and causing mistaken data relating to tire air pressure to be...
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7239843 |
Method for the interference-free communication during the operation of a jamming transmitter
The participants of a friendly communication system use so-called time windows in the interference pattern for the communication and transmission among each other. These time windows are preset...
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7221900 |
Jamming device against RFID smart tag systems
A RFID jamming device and methodology are provided for inhibiting unwanted intrusions of RFID smart tag technology. The device includes a mechanism for actively or passively preventing a RFID...
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7206545 |
Method for changing radio channels in a radio communication system
A method for changing only one radio channel of an existing duplex radio link is wherein the radio channel changed or to be changed is the disturbed radio channel. The new radio channel (D n )...
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7171193 |
Telecommunications interruption and disconnection apparatus and methods
Embodiments of interruption-sound devices for producing an interruption sound signal in a telecommunications transmission signal comprising a signal generator circuit and a processor circuit, in...
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7162285 |
Detector and method for detecting telephone-activated devices in idle state
A detector for detecting telephone-activated devices, such as cellular telephones used for remotely triggering explosive devices, includes a transmitter for generating and transmitting a pseudo...
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7155179 |
Full duplex transceiver having a method for immunizing itself against self-jamming
A full-duplex transceiver using a method immunizing itself against self-jamming. The transceiver includes a receiver and a transmitter. The receiver includes a frequency immunization converter and...
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7142148 |
Towed decoy and method of improving the same
A towed decoy arrangement for a craft with a decoy towed by the craft. Threatening signals are received by the craft and a noise signal is generated which is converted up to a frequency which is...
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7138936 |
Method and apparatus for protecting personnel from RF-triggered explosive devices (RTED) using ultra-wideband (UWB) transmission
The test results found that the EMI impact depended on the UWB power that fell within the receiver passband. Specifically, EMI occurred when the average power in the receiver passband was...
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7126979 |
System and method to autonomously and selectively jam frequency hopping signals in near real-time
The system and method autonomously and selectively jams frequency-hopping signals in near real-time by incorporating a fundamental change in the detection and reaction technology, to provide a...
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7123874 |
Cellular phone blocker
the invention shows a jamming device having a transmitting system that outputs a signal frequency modulated that inhibits a low power receiving antenna from receiving a fixed frequency such as a...
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7103310 |
Method of restricting the use of a radio terminal and an associated restriction device
A request to access the network sent by a terminal is intercepted and a selective restriction criterion is evaluated on the basis of parameters relating to the intercepted access request. A radio...
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7099369 |
Method and apparatus for surgical high speed follower jamming based on selectable target direction
A Method and Apparatus for Surgical High-speed Follower Jamming Based on Selectable Target Direction is disclosed. The system and method of the present invention automatically detects and jams...
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7095779 |
Method and apparatus for automatic jammer frequency control of surgical reactive jammers
A Method and Apparatus for Automatic Jammer Frequency Control of Surgical Reactive Jammers is disclosed. The system and method to autonomously and selectively jam frequency-hopping signals in near...
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7088248 |
System and method for selectively reading RFID devices
A radio frequency identification (RFID) device detection system includes an RFID device reader configured to detect RFID devices within a predetermined designated area, and two or more jamming...
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7082296 |
Method for sustaining radio frequency (RF) based communications connectivity during network outages
A method and system are disclosed for ensuring data availability for a plurality of programmable radios that are waveform agile and that are capable of operating over a plurality of different data...
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7076009 |
Low power CDMA receiver
The present embodiments provide apparatuses and methods for use in receiving radio frequency signals. In some embodiments, a method receives an input signal comprising data and jamming signals,...
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7050755 |
Targeted mobile terminal communication blocker
A selective blocker for targeted mobile terminals. A signal monitor determines when a targeted mobile terminal is transmitting a signal to a base station. A signal analyzer identifies...
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7043252 |
Information transmission method for a wireless local network
Method for data transmission in a wireless local area network refers to wireless local area networks (WLAN) consisting of a multitude of transceivers capable of establishing communication with one...
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