Patents for H04K 1 - Secret communication (16,771)
05/2012
05/15/2012US8180003 Apparatus and method for generating per stream channel quality information in multiple-input multiple-output (MIMO) wireless communication system
05/15/2012US8179989 Transmission apparatus and transmission method
05/15/2012US8179987 Method and device for transferring data in a multi-carrier system having parallel concatenated encoding and modulation
05/15/2012US8179986 Multicarrier modulation scheme as well as transmission apparatus and reception apparatus using the scheme
05/15/2012US8179985 Method and apparatus for providing time-frequency diversity in OFDM wireless communication systems
05/15/2012US8179829 Delivery of multicast and uni-cast services in an OFDMA system
05/11/2012DE202011002546U1 Maritime Positions Sendeeinrichtung, die mittels proprietärer Funktelegramme und/oder AIS Telegramme die Position der Sendeeinrichtung sendet und in Abhängigkeit von Umgebungsbedingungen automatisch von einem proprietären Telegramm auf ein allgemein gültiges und allgemein verständliches Sendetelegramm umschaltet Maritime position transmitter that sends the position of the transmitter using a proprietary radio telegrams and / or AIS messages and automatically switch depending on the environmental conditions of a proprietary message on a universal and generally understandable send telegram
05/10/2012WO2012059911A1 Method and apparatus for long range private broadband wireless communication system
05/10/2012WO2011139304A3 Quantum enabled security for optical communication
05/10/2012US20120116615 Secure Terminal Data Loader Apparatus and Method for a Mobile Platform
05/10/2012US20120114122 Source programming and management system for locks comprising contactless communication means that can be controlled by a portable nfc telephone
05/10/2012US20120114028 Coordinated multi-point transmission using interference feedback
05/09/2012EP2449706A1 Dynamic pattern elimination based compression method for text-based signaling protocols
05/09/2012CN1652503B Data providing system and data providing apparatus
05/08/2012US8176326 Method of communications and communication network intrusion protection methods and intrusion attempt detection system
05/08/2012US8175329 Authentication of physical and electronic media objects using digital watermarks
05/08/2012US8175272 Method for establishing secure associations within a communication network
05/08/2012US8175271 Method and system for security protocol partitioning and virtualization
05/08/2012US8175270 Authentication loading control and information recapture in a UMTS network
05/08/2012US8175264 Encryption and decryption processing method, system and computer-accessible medium for achieving SMS4 cryptographic procedure
05/08/2012US8175189 Fast generalized decision feedback equalizer precoder implementation for multi-user multiple-input multiple-output wireless transmission systems
05/08/2012US8175188 Reduced complexity multicarrier precoder
05/08/2012US8175179 Calculating peak-to-average power ratio reduction symbols for multi-carrier modulated signals using a gradient-descent approach
05/08/2012US8175178 Orthogonal frequency division multiplexing (OFDM) communications device and method that incorporates low PAPR preamble and variable number of OFDM subcarriers
05/08/2012US8175175 Method and system for rate-shaping and transmitting media streams
05/08/2012CA2569634C Method and system to generate an image for monitoring user interaction with a computer
05/03/2012US20120106739 System and Method for Securing Wireless Communications
05/03/2012US20120106737 System and Method for Securing Wireless Communications
05/03/2012US20120106734 Safe handover method and system
05/02/2012EP1611686B1 Extracting soft information in a block-coherent communication system
05/01/2012US8171288 System and method for authenticating users in a computer network
05/01/2012US8171282 Encryption data integrity check with dual parallel encryption engines
05/01/2012US8170212 Device, system, and method of establishing secure wireless communication
05/01/2012US8170211 Hub device for a network comprising quantum cryptographic connections and node module for said hub device
05/01/2012US8170205 Processor apparatus
05/01/2012US8170139 Strengthened frequency hopping communication method and device
05/01/2012US8170127 Receiver and method of receiving
04/2012
04/26/2012US20120099730 Radio communication system, base station apparatus, terminal apparatus, and radio communication method in radio communication system
04/24/2012US8166566 Controlling the downloading and recording of digital data
04/24/2012US8166528 Wireless communication system and wireless communication method
04/24/2012US8166303 Method for transmitting data among components of the system electronics of mobile systems, and such components
04/24/2012US8165963 License scheme for use with stackable devices
04/24/2012US8165343 Forensic watermarking
04/24/2012US8165341 Methods and apparatus to process imagery or audio content
04/24/2012US8165298 Quantum cryptography communication apparatus and communication terminal
04/24/2012US8165296 Time of day encryption using TDMA timing
04/24/2012US8165294 Rollback attack prevention system and method
04/24/2012US8165288 Cryptographic processing apparatus and cryptographic processing method, and computer program
04/24/2012US8165286 Combination white box/black box cryptographic processes and apparatus
04/24/2012US8165285 Process for generating an elliptic curve, application in a cryptographic process, and cryptographic process using such a curve
04/24/2012US8165245 Method and apparatus for controlling transmission power in a communication system
04/24/2012US8165237 DTMB-based carrier mode detection system and receiving system having the same
04/24/2012US8165236 Human body communication method using multi-carrier modulation method
04/24/2012US8165235 Interfering stream identification in wireless communication systems
04/24/2012US8165232 Low peak-to-average power ratio (PAPR) preamble for orthogonal frequency division multiplexing (OFDM) communications
04/24/2012US8165230 Doppler frequency estimation in wireless communication systems
04/24/2012US8165229 Channel estimation method and apparatus in orthogonal frequency division multiplexing system
04/24/2012US8165228 Non-coherent transmission method for uplink control signals using a constant amplitude zero-autocorrelation sequence
04/24/2012CA2490226C Systems and methods for secure biometric authentication
04/24/2012CA2467428C Encrypting a pseudo-noise (pn) sequence before spreading a communication signal
04/24/2012CA2413955C Slice mask and moat pattern partial encryption
04/19/2012WO2012051172A1 Transmitter beamforming steering matrix processing and storage
04/19/2012WO2012050982A1 Systems and methods of transmitter protection for wireless communications
04/19/2012US20120093314 Dynamic content-based ciphering on a control channel
04/17/2012US8161542 Wireless perimeter security device and network using same
04/17/2012US8160253 Method, transponder, and system for rapid data transmission
04/17/2012US8160252 Method and system for protecting broadcast service/content in a mobile broadcast system, and method for generating short term key message therefor
04/17/2012US8160243 System, apparatus, and method for the secure storing of bulk data using one-time pad encryption
04/17/2012US8160169 Frame synchronization in orthogonal frequency-division multiplexing systems
04/17/2012US8160168 Method and system for efficient transmission and reception of RF energy in MIMO systems using polar modulation and direct digital frequency synthesis
04/17/2012US8160167 Radio transmitting apparatus, radio receiving apparatus and method therefor
04/17/2012US8160166 Orthogonal frequency division multiplexing (OFDM) communications device and method that incorporates low PAPR preamble with circuit for measuring frequency response of the communications channel
04/17/2012US8160165 Orthogonal frequency division multiplexing (OFDM) communications device and method that incorporates low PAPR preamble and frequency hopping
04/17/2012US8160163 Method for OFDM signal identification and parameter estimation
04/17/2012CA2413881C Star pattern partial encryption
04/12/2012WO2012048076A1 Data transmission utilizing partitioning and dispersed storage error encoding
04/12/2012WO2012047086A1 Auto-compensating quantum key distribution network
04/12/2012US20120089834 Establishment method and device for link between access point and repeater in wireless distribution system
04/12/2012US20120087500 Quantum encryption communication apparatus, quantum encryption communication method, and quantum encryption communication system
04/11/2012EP2439705A1 System for communicating with smart cards provided with storage and/or processing functions and card reader for said system
04/11/2012EP1695438B1 Amplifier linearization using non-linear predistortion
04/11/2012EP1451955B1 Method and apparatus for providing multiple spread spectrum clock generator circuits with overlapping output frequencies
04/11/2012EP0963070B1 Device for generating a plurality of code series simultaneously and CDMA radio receiver comprising the device
04/10/2012US8156336 Device authentication
04/10/2012US8156041 Dynamic indicator for context sensitive real-time communications
04/10/2012US8155595 Method for iterative interference cancellation for co-channel multi-carrier and narrowband systems
04/10/2012US8155375 Video watermarking using temporal analysis
04/10/2012US8155317 Encryption processing circuit and encryption processing method
04/10/2012US8155238 Device for processing radio transmission data with digital predistortion
04/10/2012US8155228 Data processing apparatus and method
04/10/2012US8155227 Mobile station apparatus, communication method, and base station apparatus
04/10/2012US8155224 Transmission method, transmission apparatus, and reception apparatus
04/10/2012US8155221 Receiver
04/10/2012US8155219 Apparatus and method for peak suppression in wireless communication systems
04/10/2012US8155217 Systems and methods for low-complexity MIMO detection with analytical leaf-node prediction
04/10/2012US8155216 Receiving circuit and receiving method
04/05/2012WO2012044856A1 Systems and methods for providing signals of multiple active wireless transmitters
04/05/2012WO2012042461A2 Using ofdm to correct distortions in ultra-wide-band radios operating over flat millimeter-wave channels
04/05/2012WO2012022992A3 Encryption system for protecting phone calls
04/05/2012US20120084870 Apparatus and method for embedding and extracting information in analog signals using distributed signal features and replica modulation
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