Patents for H04K 1 - Secret communication (16,771)
09/2014
09/23/2014US8842647 Wireless communication terminal
09/23/2014US8842639 Method for pilot symbol transmission in downlink MIMO system
09/18/2014WO2014144601A1 Networked security system
09/16/2014US8839363 Trusted hardware for attesting to authenticity in a cloud environment
09/16/2014US8839293 Signal processing apparatus and methods
09/16/2014US8838972 Exchange of key material
09/16/2014US8837735 Architecture for reconfigurable quantum key distribution networks based on entangled photons by wavelength division multiplexing
09/16/2014US8837731 Secure remote control for audio/video receiver/decoder
09/16/2014US8837730 Apparatus and method for reducing channel reproduction delay in mobile terminal
09/16/2014US8837728 Server algorithms to improve space based authentication
09/16/2014US8837724 Synchronization test for device authentication
09/16/2014US8837633 Systems and methods for digital processing based on active signal channels of a communication system
09/16/2014US8837617 Process of synchronization in the time and frequency domain of multiple equipments in a transmission system with OFDM modulation
09/16/2014US8837616 Equalization of a distributed pilot OFDM signal
09/16/2014US8837615 Method and arrangement for self interference cancellation
09/16/2014US8837612 Multiple independent narrow channels in wireless networks
09/16/2014US8837610 Stable low power mode for multicarrier transceivers
09/09/2014US8832849 Computer data object modification based on data types in a networked environment
09/09/2014US8832311 Diverter
09/09/2014US8831426 OCDM-based all optical multi-level security
09/09/2014US8831220 Processing module operating methods, processing modules, and communications systems
09/09/2014US8831216 Pseudo-random number generation based on periodic sampling of one or more linear feedback shift registers
09/09/2014US8831136 Wireless apparatus and distortion compensating method
09/09/2014US8831122 Systems, methods and transceivers or wireless communications over discontiguous spectrum segments
09/09/2014US8831121 Multicarrier channelization and demodulation apparatus and method
09/09/2014US8831120 Adaptive subcarrier allocation to a mobile terminal in a multi cell FDM or OFDM network
09/09/2014US8831119 Method and apparatus for transmitting synchronization signal in multi-node system
09/09/2014US8831118 Wireless communication system, wireless communication apparatus and wireless communication method, encoding apparatus and encoding method, and computer program
09/09/2014US8831116 Method and apparatus for providing channel quality and precoding metric feedback in an orthogonal frequency division multiplexing communication system
09/09/2014US8830984 Mapping schemes for secondary synchronization signal scrambling
09/09/2014US8829984 Secure modulation and demodulation
09/02/2014US8826029 Providing time ratio-based password/challenge authentication
09/02/2014US8826026 Systems and methods for tracking electronic files in computer networks using electronic signatures
09/02/2014US8825928 Facilitating and authenticating transactions through the use of a dongle interfacing a security card and a data processing apparatus
09/02/2014US8825518 Media methods and systems
09/02/2014US8824681 Method and device for link layer decrypting and/or encrypting a voice message stream already supporting end to end encryption
09/02/2014US8824678 MAC address anonymizer
09/02/2014US8824672 Reconfigurable block encryption logic
09/02/2014US8824594 Digital frequency modulation aided AMPM predistortion digital transmitter
09/02/2014US8824593 Wireless communication device capable of pre-compensating for oscillator phase noise
09/02/2014US8824582 Base station and method for channel coding and link adaptation
09/02/2014US8824581 Data transmission apparatus, data transmission system and data transmission method
09/02/2014US8824580 Communicating over a desired tone in the presence of interference having an unknown magnitude that is substantially constant
09/02/2014US8824579 Codebook performance for non-linear arrays
09/02/2014US8824577 Apparatus and method for encoding and decoding multichannel signal
09/02/2014US8824576 Method and transmitter for iteratively modifying beamforming vector
09/02/2014US8824574 Transmitting unit that reduces PAPR and method therefor
08/2014
08/27/2014EP2769498A1 Method for scrambling shaped data
08/26/2014US8819854 Information processing apparatus, system management method, and recording medium
08/26/2014US8819431 Methods and device for electronic entities for the exchange and use of rights
08/26/2014US8818443 Base station and cellular wireless communication system
08/26/2014US8817985 Encryption key distribution system
08/26/2014US8817978 Order-preserving encryption and decryption apparatus and method thereof
08/26/2014US8817976 Reversible cipher
08/26/2014US8817919 Method and system for determining symbol boundary timing in a multicarrier data transmission system
08/26/2014US8817896 Method and device for allocating resources in an OFDM network
08/19/2014US8813184 Authentication using mobile devices
08/19/2014US8812858 Broadcast stenography of data communications
08/19/2014US8812833 Wireless multiband security
08/19/2014US8811618 Fast ciphering key search for WLAN receivers
08/19/2014US8811617 Efficient security-related processing
08/19/2014US8811614 Space based authentication utilizing signals from low and medium earth orbit
08/19/2014US8811611 Encryption/decryption of digital data using related, but independent keys
08/19/2014US8811608 Attack-resistant multivariate signature scheme
08/19/2014US8811530 Method and system of beamforming a broadband signal through a multiport network
08/19/2014US8811508 Procedure for simultaneous transmission in time and frequency of multiple communications of data by means of OFDM modulations
08/19/2014US8811505 Radio channel model for ICI cancellation in multi-carrier systems
08/19/2014US8811504 Method of determining a channel quality and modem
08/19/2014US8810862 Paper medium information encrypting system, decrypting system, program and method
08/19/2014CA2531502C Method and apparatus for security in a data processing system
08/14/2014US20140226760 Method of demodulating modulation signals
08/13/2014CN103986545A 用于simo无线通信系统的物理层安全传输方法 A method for the secure transmission of the physical layer of wireless communication system simo
08/12/2014US8806616 System, method, and apparatus for allowing a service provider system to authenticate that a credential is from a proximate device
08/12/2014US8806557 Method of adjusting timing transmission parameters in a single frequency network
08/12/2014US8806214 Communication with non-repudiation and blind signatures
08/12/2014US8806202 Position based enhanced security of wireless communications
08/12/2014US8805432 Mobile communication terminal and transmission power control method of the same
08/12/2014US8804961 Method and system for mobile terminals handing over between clear session and encrypted session communications
08/12/2014US8804957 Authentication key generation arrangement
08/12/2014US8804951 Speeding up galois counter mode (GCM) computations
08/12/2014US8804950 Methods and apparatus for producing a hash value based on a hash function
08/12/2014US8804872 Dynamic determination of volterra kernels for digital pre-distortion
08/12/2014US8804862 Method of performing peak reduction and clipping mitigation
08/12/2014US8804727 Signal processing apparatus and methods
08/12/2014US8804688 System and method providing various pilot sub-carrier densities in OFDMA communications
08/05/2014US8800019 Secure streaming container
08/05/2014US8799655 Mobile offline authentication using one-time passcodes
08/05/2014US8798269 Method and system for secured broadcasting of a digital data stream
08/05/2014US8798268 System and methods for permitting open access to data objects and for securing data within the data objects
08/05/2014US8798263 Method and system for encryption with bidirectional difference propagation
08/05/2014US8798261 Data protection using distributed security key
08/05/2014US8798198 Calibration systems for wireless electronic devices
08/05/2014US8798197 Distortion compensation amplifier device and distortion compensation method
08/05/2014US8798196 Peak-to-average power ratio reduction for hybrid FM HD radio transmission
08/05/2014US8798184 Transmit beamforming with singular value decomposition and pre-minimum mean square error
08/05/2014US8798181 Method and apparatus for controlling multi-dimensional peak-to-average-power-ratio (PAPR) with constraints
08/05/2014US8798179 Radio communication device
08/05/2014US8798178 Method and device for channel estimation in orthogonal frequency division multiplexing system
08/05/2014US8798177 Inter-carrier bandwidth control for mitigating IQ imbalance
08/05/2014US8798176 Joint time/frequency processing for wireless receivers
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