Patents
Sitemap › H04 - Electric communication technique › H04K - Secret communication; Jamming of communication › H04K 1 - Secret communication
Patents for H04K 1 - Secret communication (16,771)
11/2010
11/04/2010US20100278160 System and method for hybrid schemes of mimo mode decision
11/03/2010EP2245841A1 Systems and methods for adaptive multi-rate protocol enhancement
11/03/2010EP1500007B1 Blind source separation utilizing a spatial fourth order cumulant matrix pencil
11/03/2010EP1145470B1 Synchronization of ofdm signals
11/02/2010US7827400 Security certificate management
11/02/2010US7827113 Method and system for providing a content subscription service
11/02/2010US7826749 Method and system for quantum key distribution over multi-user WDM network with wavelength routing
11/02/2010US7826618 Synchronization of encryption in a wireless communication system
11/02/2010US7826617 Apparatus and method for determining uplink ciphering activation time in universal mobile telecommunications system user equipment
11/02/2010US7826613 Stream cipher cryptographic system and method
11/02/2010US7826611 System and method for exchanging a transformed message with enhanced privacy
11/02/2010US7826610 Method to secure an electronic assembly against attacks by error introduction
11/02/2010US7826572 Dynamic optimization of overlap-and-add length
11/02/2010US7826554 Digital transmitter
11/02/2010US7826553 Multilevel LINC transmitter
11/02/2010US7826545 Variable state length initialization
11/02/2010US7826544 OFDM signal acquisition
11/02/2010US7826542 Channelization filter communication systems and methods therefor
11/02/2010US7826541 Wireless relay system, wireless relay apparatus, and wireless relay method
11/02/2010US7826520 Method and system for suppressing an interference signal
11/02/2010US7826518 Method and device for receiving a degraded radionavigation signal
11/02/2010US7826435 Power control in OFDM and OFDMA wireless communication networks
11/02/2010US7826344 Apparatus and method for transmitting pilot signal in a BWA communication system using transmit antennas
10/2010
10/28/2010US20100272268 Enhanced high-speed downlink shared channel serving cell change procedures
10/28/2010US20100272263 Decrypting a nas message traced to an e-utran
10/28/2010US20100272262 Systems and methods for broadcast communication and interface with assets and datasets
10/28/2010US20100272259 Method for filtering of abnormal ont with same serial number in a gpon system
10/28/2010US20100272258 Bidirectional dynamic offloading of tasks between a host and a mobile device
10/28/2010US20100272254 Secure nfc apparatus and method for supporting various security modules
10/28/2010US20100272194 Channel Estimation Techniques for OFDM
10/28/2010US20100272034 Base station device, mobile station device, communication system, channel estimation method, transmission antenna detection method, and program
10/27/2010EP2243239A2 System and method for securely storing information
10/27/2010EP2243238A2 System and method for contextual and behavioral based data access control
10/26/2010US7823193 Method and system for ordering, loading and using admission tickets
10/26/2010US7822990 Online data encryption and decryption
10/26/2010US7822989 Controlling access to an area
10/26/2010US7822406 Simplified dual mode wireless device authentication apparatus and method
10/26/2010US7822342 Secure quantum optical communications system and method
10/26/2010US7822204 Encryption method, cryptogram decoding method, encryptor, cryptogram decoder, transmission/reception system, and communication system
10/26/2010US7822147 Self-calibrating multi-port circuit and method
10/26/2010US7822135 MIMO transmitter and method for transmitting an OFDM symbol in accordance with an IEEE 802.11 communication standard over a plurality of spatial channels
10/26/2010US7822133 Orthogonal frequency division multiplexing (OFDM) receiver, OFDM reception method and terrestrial digital receiver
10/26/2010US7822132 OFDM communication system
10/26/2010US7822130 Apparatus and method for simultaneous testing of multiple orthogonal frequency division multiplexed transmitters with single vector signal analyzer
10/26/2010US7822128 Multiple antenna multicarrier transmitter and method for adaptive beamforming with transmit-power normalization
10/26/2010US7819746 System for awarding a bonus to a gaming device on a wide area network
10/21/2010US20100267338 Method For Restraining Inter-Cell Interference In A Mobile Communication System
10/21/2010US20100266126 Friend or foe detection
10/21/2010US20100266055 System and method for establishing a localized single frequency network
10/21/2010US20100265813 Wireless network and method for adaptive opportunistic clustering for interference alignment in wireless networks
10/19/2010US7818803 Security module having a secondary agent in coordination with a host agent
10/19/2010US7818781 Behavior blocking access control
10/19/2010US7818260 System and method of managing digital rights
10/19/2010US7818259 Prepaid licensing system and method
10/19/2010US7817986 Method and system for providing cellular assisted secure communications of a plurality of ad hoc devices
10/19/2010US7817755 System, device and method for generating a logarithmic function according to a plurality of communication signals
10/19/2010US7817739 Method for reducing feedback information overhead in precoded MIMO-OFDM systems
10/19/2010US7817737 Method of generating multi-channel local oscillation frequencies
10/19/2010US7817735 Device and method of performing channel estimation for OFDM-based wireless communication system
10/19/2010US7817734 System and method for improving signal to quantization noise ratio of an OFDMA modulator
10/19/2010US7817733 Method and system for peak power reduction
10/19/2010US7817731 Amplitude compression of signals in a multicarrier system
10/19/2010US7817729 Method and apparatus for multicarrier communication
10/19/2010US7817081 Radar apparatus, method for controlling the same, and vehicle including the same
10/19/2010CA2538535C Secure open-air communication system utilizing multi-channel decoyed transmission
10/19/2010CA2380607C Frequency discrimination in a spread spectrum signal processing system
10/14/2010US20100260340 Communication system, response notifying method and apparatus
10/14/2010US20100260147 System and Method for Supporting Handovers Between Different Radio Access Technologies of a Wireless Communications System
10/13/2010EP1772983B1 Multimode optical transmission device
10/13/2010CN1736055B System, apparatus and method for replacing a cryptographic key
10/12/2010US7814553 Access control system, access managing method, image forming device and computer program product
10/12/2010US7814331 Authentication apparatus, authentication method, and program
10/12/2010US7813822 Intelligent electronic appliance system and method
10/12/2010US7813579 Microscope system
10/12/2010US7813508 Communication system, wireless communication apparatus, and communication method
10/12/2010US7813507 Method and system for creating random cryptographic keys in hardware
10/12/2010US7813506 System and methods for permitting open access to data objects and for securing data within the data objects
10/12/2010US7813454 Apparatus and method for tracking symbol timing of OFDM modulation in a multi-path channel
10/12/2010US7813436 Frame synchronization method and apparatus
10/12/2010US7813435 Carrier allocation method in OFDM system and transmitting apparatus using the method
10/12/2010US7813434 Systems and methods for improved bit loading for discrete multi-tone modulated multiple latency applications
10/12/2010US7813433 System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (OFDM) with selected subcarriers turned on or off
10/12/2010US7813413 Antenna array communication using spreading codes
10/07/2010WO2010026561A3 An appliance, system, method and corresponding software components for encrypting and processing data
10/07/2010US20100257365 Securing messages associated with a multicast communication session within a wireless communications system
10/07/2010US20100257114 Systems and methods for consolidated global shipping
10/07/2010US20100254535 Remote circuit locking switch system
10/07/2010US20100254430 Method for direct chaotic communications with predetermined spectral mask
10/07/2010US20100254358 Wireless network connecting and setting method and application thereof
10/06/2010CN101855854A Wireless mesh network with secure automatic key loads to wireless devices
10/06/2010CN101855853A Processing module operating methods, processing modules, and communications systems
10/05/2010US7809941 Certifier hierarchy for public key infrastructure in an ad-hoc network
10/05/2010US7809644 Digital work structure
10/05/2010US7809266 Method and apparatus for providing data confidentially for very high-speed multiple-wavelength optical data links
10/05/2010US7809132 Implementations of AES algorithm for reducing hardware with improved efficiency
10/05/2010US7809097 Frame timing synchronization for orthogonal frequency division multiplexing (OFDM)
10/05/2010US7809081 Digital pre-distortion technique using nonlinear filters
10/05/2010US7809068 Integrated circuit capable of independently operating a plurality of communication channels
10/05/2010US7809067 Multi-carrier OFDM UWB communications systems
10/05/2010US7808967 Method of performing cell search in wireless communication system
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