| Patents for H04K 1 - Secret communication (16,771) |
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| 06/11/2013 | US8462882 Measurement of transmitter I/Q impairments using shared local oscillators |
| 06/11/2013 | US8462881 Method for digitally predistorting a payload signal and radio station incorporating the method |
| 06/11/2013 | US8462880 System and method for transmitter electromagnetic interference (EMI) reduction |
| 06/11/2013 | US8462866 Transmitting apparatus and method, and receiving apparatus and method |
| 06/11/2013 | US8462865 Apparatus and method for transmitting a sub-channel signal in a communication system using an orthogonal frequency division multiple access scheme |
| 06/11/2013 | US8462863 Midamble for WLAN PHY frames |
| 06/11/2013 | US8462860 Increased capacity communications systems, methods and/or devices |
| 06/11/2013 | US8462858 Wireless communications with transceiver-integrated frequency shift control and power control |
| 06/06/2013 | WO2013043943A3 Secure processing of confidential information on a network |
| 06/06/2013 | US20130142334 Method and System for Pre-Accessing Conference Telephone and Network Side Device |
| 06/06/2013 | US20130142280 Multiple transmit antenna interleaver design |
| 06/05/2013 | EP1518348B1 Information processing method, information processing apparatus, program, and storage medium |
| 06/05/2013 | CN202978973U Voice communication encryption system |
| 06/05/2013 | CN101689952B Apparatus and method for removing common phase error in a DVB-T/H receiver |
| 06/05/2013 | CN101427500B Method for elliptic curve public key cryptographic validation |
| 06/04/2013 | US8458741 Provision of TV ID to non-TV device to enable access to TV services |
| 06/04/2013 | US8457638 Mobile communication method |
| 06/04/2013 | US8457597 Method for authenticating a mobile unit attached to a femtocell that operates according to code division multiple access |
| 06/04/2013 | US8457316 Architecture for reconfigurable quantum key distribution networks based on entangled photons by wavelength division multiplexing |
| 06/04/2013 | US8457314 Wireless video surveillance system and method for self-configuring network |
| 06/04/2013 | US8457313 Protocol expansion of a signaling message |
| 06/04/2013 | US8457307 Method and system for generating implicit certificates and applications to identity-based encryption (IBE) |
| 06/04/2013 | US8457306 Cryptographic module and IC card |
| 06/04/2013 | US8457305 Generating genus 2 curves from invariants |
| 06/04/2013 | US8457304 Efficient encoding processes and apparatus |
| 06/04/2013 | US8457302 Access-controlled data storage medium |
| 06/04/2013 | US8457250 OFDM pre-equalizing |
| 06/04/2013 | US8457249 Method and apparatus for crest factor reduction in telecommunications systems |
| 06/04/2013 | US8457234 Radio communication method and apparatus selectively employing a plurality of antennas |
| 06/04/2013 | US8457232 Detecting the number of transmit antennas in wireless communication systems |
| 06/04/2013 | US8457226 Crest factor reduction for OFDM communications systems by transmitting phase shifted resource blocks |
| 06/04/2013 | US8457225 Methods relating to channel estimation |
| 06/04/2013 | US8457224 Apparatus for channel estimation, apparatus for equalization and method for equalization |
| 06/04/2013 | US8457223 Wireless communication device, wireless communication method, program and wireless communication system |
| 06/04/2013 | US8457221 Signaling transmission with localized spreading for wireless communication |
| 06/04/2013 | US8457219 Self-protection against non-stationary disturbances |
| 05/30/2013 | US20130136260 Wcdma 3g voice communication protection method and terminal using the same |
| 05/29/2013 | EP2596582A1 Method and apparatus for locating faults in communications networks |
| 05/29/2013 | DE102012103045A1 Schutzverfahren für Sprachkommunikation gemäss WCDMA 3G und Endgerät, welches dasselbe verwendet Protection method for voice communications in accordance with WCDMA 3G and terminal which uses the same |
| 05/29/2013 | CN101467159B Biometric and demographic data transfer and management system and apparatus |
| 05/28/2013 | US8453005 System and method for container monitoring, real time authentication, anomaly detection, and alerts |
| 05/28/2013 | US8452013 Secure message handling on a mobile device |
| 05/28/2013 | US8452012 Using a trusted-platform-based shared-secret derivation and WWAN infrastructure-based enrollment to establish a secure local channel |
| 05/28/2013 | US8451944 Tomlinson harashima precoding with additional receiver processing in a multi-user multiple-input multiple-output wireless transmission system |
| 05/28/2013 | US8451942 Wireless transmission apparatus using cartesian loop |
| 05/28/2013 | US8451941 Communications device with separate I and Q phase power amplification having selective phase and magnitude adjustment and related methods |
| 05/28/2013 | US8451921 Method and an apparatus for adaptively learning a sparse impulse response of a continuous channel |
| 05/28/2013 | US8451920 Apparatus and method for setting pilot subcarrier |
| 05/28/2013 | US8451919 OFDM reception device, OFDM reception integrated circuit, OFDM reception method, and OFDM reception program |
| 05/28/2013 | US8451918 System and method for spur estimation and mitigation |
| 05/28/2013 | US8451917 Method and apparatus for detection of orthogonal frequency division multiplexing (OFDM) signals by cognitive radios |
| 05/28/2013 | US8451915 Efficient uplink feedback in a wireless communication system |
| 05/28/2013 | US8451810 Wireless LAN system, a terminal and a recording medium readable by a computer |
| 05/28/2013 | US8451089 Radio identification with an additional close-range check |
| 05/22/2013 | CN103119845A Method and apparatus for locating faults in communications networks |
| 05/22/2013 | CN103117832A High-intensity information encryption method |
| 05/21/2013 | US8446980 Distortion compensation circuit and a distortion compensation method |
| 05/21/2013 | US8446979 Predistortion with integral crest-factor reduction and reduced observation bandwidth |
| 05/21/2013 | US8446973 Transmission and reception apparatus and method |
| 05/21/2013 | US8446972 Communication system, reception device, and communication method |
| 05/21/2013 | US8446970 Data processing apparatus and method |
| 05/21/2013 | US8446969 Multi-carrier transmission apparatus and peak suppression method |
| 05/21/2013 | US8446968 OFDM receiving apparatus and mode detecting method thereof |
| 05/16/2013 | US20130121491 System and method of creating and sending broadcast and multicast data |
| 05/16/2013 | DE102011086509A1 Wireless bidirectional speech transmission device for use on e.g. ship in military field, has transmission and receiving devices are formed for transmission of two hearing channels and speech channel over radio connection |
| 05/14/2013 | US8443206 Method and apparatus for managing digital rights using portable storage device |
| 05/14/2013 | US8443202 Methods and systems for authenticating users |
| 05/14/2013 | US8443194 Method of authentication and session key agreement for secure data transmission, a method for securely transmitting data, and an electronic data transmission system |
| 05/14/2013 | US8442880 Systems, methods and computer readable medium providing automated third-party confirmations |
| 05/14/2013 | US8442527 Cellular authentication for authentication to a service |
| 05/14/2013 | US8442234 System and method for obtaining certificate status of subkeys |
| 05/14/2013 | US8442233 Telecommunication systems and encryption of control messages in such systems |
| 05/14/2013 | US8442229 Method and apparatus for providing security in a passive optical network |
| 05/14/2013 | US8442228 Multi-class switching system and associated method of use |
| 05/14/2013 | US8442227 Providing additional information with session requests |
| 05/14/2013 | US8442220 Transmission apparatus and transmission method |
| 05/14/2013 | US8442219 Public key cryptographic methods and systems |
| 05/14/2013 | US8442150 Measurement of transmitter impairments using offset local oscillators |
| 05/14/2013 | US8442149 Method for adapting digital data transmission parameters to measured repetitive noise |
| 05/14/2013 | US8442134 Post DFT/FFT time tracking algorithm for OFDM receivers |
| 05/14/2013 | US8442132 Method and apparatus for allocating processing delays in multi-carrier systems |
| 05/14/2013 | US8442131 Power reduction for digital subscriber line |
| 05/14/2013 | US8442130 Communication apparatus, communication method and integrated circuit |
| 05/14/2013 | CA2562964C Electronic transaction verification system |
| 05/09/2013 | US20130114811 Method for Privacy Preserving Hashing of Signals with Binary Embeddings |
| 05/08/2013 | CN1985458B Enhanced natural Montgomery exponent masking |
| 05/08/2013 | CN101772915B Cryptographic random number generator using finite field operations |
| 05/08/2013 | CN101467375B Pilot signal transmission method and apparatus |
| 05/07/2013 | US8438114 Trusted license removal in a content protection system or the like |
| 05/07/2013 | US8437474 Public key encryption for groups |
| 05/07/2013 | US8437470 Method and system for block cipher encryption |
| 05/07/2013 | US8437425 Distortion compensation device, distortion compensation method and wireless apparatus |
| 05/07/2013 | US8437424 Robust transmit/feedback alignment |
| 05/07/2013 | US8437416 Coordinated cyclic shift and sequence hopping for Zadoff-Chu, modified Zadoff-Chu, and block-wise spreading sequences |
| 05/07/2013 | US8437414 Common wave and sideband mitigation communication systems and methods for increasing communication speeds, spectral efficiency and enabling other benefits |
| 05/07/2013 | US8437413 Method for transmitting codeword |
| 05/07/2013 | US8437382 Multicarrier transmission system with low power sleep mode and rapid-on capability |
| 05/02/2013 | US20130108044 Multi-Platform Communication System Providing Real-Time Point to Point Encrypted Communication |
| 05/01/2013 | CN103081428A Inserting and decoding replicated data symbols in wireless communications |
| 05/01/2013 | CN101577619B Real-time speech secret communication system based on information hiding |