Patents for H04K 1 - Secret communication (16,771)
12/2013
12/31/2013US8619890 Data processing apparatus and method for use in a 0.5K mode interleaver in a digital video broadcasting standard including DVB-Terrestrial2
12/31/2013US8619889 Method and apparatus for transmission of uplink control signaling and user data in a single carrier orthogonal frequency division multiplexing communication system
12/31/2013US8619887 Adjustable operational state wireless MIMO
12/31/2013US8619886 Method and system for mixed analog/digital beamforming in wireless communication systems
12/31/2013US8619885 Radio communication system
12/31/2013US8619884 Communication channel estimation
12/31/2013US8619693 Method for transmitting reference signals in a downlink multiple input multiple output system
12/31/2013US8619630 Topology discovery in broadband networks
12/31/2013US8619542 Closed-loop feedback in wireless communications system
12/31/2013CA2545812C System and method for container monitoring, real time authentication, anomaly detection, and alerts
12/26/2013US20130346324 System and method for specifying and processing legality expressions
12/26/2013US20130343538 Manipulation and restoration of authentication challenge parameters in network authentication procedures
12/25/2013EP2676392A1 Optical converter with adc based channelizer for optical lnb system
12/24/2013US8615661 System and method for transmitting and utilizing attachments
12/24/2013US8615658 Dynamic foreign agent—home agent security association allocation for IP mobility systems
12/24/2013US8615087 OCDM-based photonic encryption system with provable security
12/24/2013US8615080 Method and apparatus for performing elliptic curve scalar multiplication in a manner that counters power analysis attacks
12/24/2013US8615050 Multi-resolution beamforming based on codebooks in MIMO systems
12/17/2013US8613097 Methods and systems for detecting an access attack
12/17/2013US8613034 Signal processing apparatus and methods
12/17/2013US8612752 Communicating a packet from a mesh-enabled access point to a mesh portal in a multi-hop mesh network
12/17/2013US8612750 Creating and using secure communications channels for virtual universes
12/17/2013US8611540 System and method for secure messaging in a hybrid peer-to-peer network
12/17/2013US8611539 Group key security in a multihop relay wireless network
12/17/2013US8611537 Method and system for optimizing authentication procedures in media independent handover services
12/17/2013US8611535 Characterization of an entangled photon system
12/17/2013US8611533 Method and system for the Orange family of stream ciphers and method and system for generating stream ciphers based on the ERINDALE-PLUS hashing function
12/17/2013US8611532 Managing media content decryption keys in encrypted media content distribution systems and methods
12/17/2013US8611531 Method and apparatus for remotely inserting watermark into encrypted compressed video bitstream
12/17/2013US8611460 Wireless communication unit, integrated circuit and method of power control of a power amplifier therefor
12/17/2013US8611459 Transmitter linearized using look-up table with unadaptable data and method therefor
12/17/2013US8611444 Receiver and signal receiving method thereof
12/17/2013US8611442 Method and apparatus for channel sounding in an orthogonal frequency division multiplexing communication system
12/17/2013US8611440 Systems and methods for generating sequences that are nearest to a set of sequences with minimum average cross-correlation
12/17/2013US8611439 System and method to optimize multicarrier communication
12/17/2013US8611404 Multicarrier transmission system with low power sleep mode and rapid-on capability
12/17/2013CA2587846C Method and apparatus for combining space-frequency block coding, spatial multiplexing and beamforming in a mimo-ofdm system
12/12/2013US20130329888 In-vehicle mobile transactions
12/11/2013CN101931488B Full-time all-pass quantum network router and method for expanding quantum secret communication network
12/10/2013US8607296 Signal processing apparatus and methods
12/10/2013US8605903 System, device, and method for wireless communication, apparatus and method for processing information from contactless IC cards
12/10/2013US8605902 Method and implementation for supporting switchable red side or black side control options for airborne radio communication radios
12/10/2013US8605893 Encryption and decryption processing method, system and computer-accessible medium for achieving SMS4 cryptographic procedure
12/10/2013US8605819 Memory effect canceller, transmitter, and memory effect cancelling method
12/10/2013US8605818 Selective peak power reduction
12/10/2013US8605817 Modulation and layer mapping in physical channels
12/10/2013US8605816 Non-contact wireless communication apparatus, method of waveform-shaping envelope curve, and mobile electronic device
12/10/2013US8605807 Communicating distinct data over a single frequency using multiple linear polarized signals
12/10/2013US8605806 Schemes for detecting guard intervals in OFDM system
12/10/2013US8605805 Receiver, channel state information compressing method, and computer program
12/10/2013US8605802 Frame structure for fast wireless communication system and apparatus for fast wireless communication using the frame
12/10/2013US8605730 System and method for multimedia communication across disparate networks
12/10/2013US8605687 Method for channel estimation in a point-to-point communication network
12/03/2013USRE44622 Coarse carrier frequency offset estimation for a receiver
12/03/2013US8601603 Secure information transmission over a network
12/03/2013US8601528 Signal processing apparatus and methods
12/03/2013US8601267 Establishing a secured communication session
12/03/2013US8600356 Authentication in a roaming environment
12/03/2013US8600308 Channel state information feedback for coordinated multiple points transmission
12/03/2013US8600058 Generation of self-certified identity for efficient access control list management
12/03/2013US8600055 Method and system using stealth noise modulation
12/03/2013US8600050 Encrypting a data transmission using multiple channels
12/03/2013US8600046 Method of coding a secret formed by a numerical value
12/03/2013US8599962 Power control using distortion measurement
12/03/2013US8599961 Crest factor reduction method and circuit for a multi-carrier signal
12/03/2013CA2570045C Network security and fraud detection system and method
11/2013
11/28/2013US20130315397 System and method to scramble data based on a scramble key
11/27/2013CN203313200U High-safety recording cut-off device
11/26/2013US8595787 Dynamic service delivery platform for communication networks
11/26/2013US8594332 Key generating apparatus, encrypting apparatus and decrypting appatatus
11/26/2013US8594330 Personalized whitebox descramblers
11/26/2013US8594329 Non-interactive verifiable, delegated computation
11/26/2013US8594321 Apparatus and method for operating a symmetric cipher engine in cipher-block chaining mode
11/26/2013US8594242 Method of receiving modulation symbols
11/26/2013US8594231 Power series digital predistorter and distortion compensation control method therefor
11/26/2013US8594216 Beamforming feedback options for MU-MIMO
11/26/2013US8594215 MIMO system having a plurality of service antennas for data transmission thereof
11/26/2013US8594214 Input module of PLC
11/26/2013US8594213 Signal processing device and method
11/26/2013US8594212 IQ-imbalance compensation in presence of carrier offset
11/26/2013US8594211 OFDM reception
11/26/2013US8594208 Method and apparatus for selecting modulation and coding scheme (MCS) index based on frequency selectivity
11/26/2013US8594207 Method and apparatus for providing channel quality feedback in an orthogonal frequency division multiplexing communication system
11/19/2013US8589694 System, method, and apparatus for graduated difficulty of human response tests
11/19/2013US8589546 Network management in a media network environment
11/19/2013US8588426 Methods and apparatus to secure communications in a mobile network
11/19/2013US8588418 User level security for an emulated removable mass storage device
11/19/2013US8588417 Systems and methods for multicast retransmission over a secure wireless LAN
11/19/2013US8588416 System and method for secure communication
11/19/2013US8588415 Method for securing a telecommunications terminal which is connected to a terminal user identification module
11/19/2013US8588408 Method of implementing a block cipher algorithm
11/19/2013US8588406 Data obfuscation
11/19/2013US8588342 Mobile terminal for performing a communication by using sub carriers
11/19/2013US8588333 RF transmitter and method of operation
11/19/2013US8588332 Dynamic digital pre-distortion system
11/19/2013US8588321 Wireless communication apparatus, wireless communication system and wireless communication method
11/19/2013US8588316 QR decomposition detection device and method supporting interference whitening
11/19/2013US8587720 Signal processing apparatus and methods
11/14/2013WO2013166958A1 Visible-light communication-based encryption, decryption and encryption/decryption method and system
11/14/2013US20130301833 System and Method for Establishing a Secure Connection in Communications Systems
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