Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication
More topics under "H04L - Transmission of digital information, e.g. telegraphic communication" (1,208,511)
H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402)
H04L 12 - Data switching networks (448,999)
H04L 13 - Details of the apparatus or circuits covered by groups or (1,941)
H04L 15 - Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. morse code (160)
H04L 17 - Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. baudot code (677)
H04L 19 - Apparatus or local circuits for step-by-step systems (9)
H04L 21 - Apparatus or local circuits for mosaic printer telegraph systems (101)
H04L 23 - Apparatus or local circuits for systems other than those covered by groups (1,371)
H04L 25 - Baseband systems (55,083)
H04L 27 - Modulated-carrier systems (89,721)
H04L 29 - Arrangements, apparatus, circuits or systems, not covered by a single one of groups (330,333)
H04L 5 - Arrangements affording multiple use of the transmission path (28,368)
H04L 7 - Arrangements for synchronising receiver with transmitter (36,432)
H04L 9 - Arrangements for secret or secure communication (111,914)
Patents for H04L - Transmission of digital information, e.g. telegraphic communication (4,618)
10/2010
10/06/2010CN1902957B Method and apparatus for calculating a position estimate of a mobile station using network information
10/06/2010CN101849924A Mucoadhesive erodible drug delivery device for controlled administration of pharmaceuticals and other active compounds
10/05/2010US7809028 Systems and methods for multi-pair ATM over DSL
10/05/2010US7808944 Wireless communication method and apparatus for controlling the transmission power of downlink and uplink coded composite transport channels based on discontinuous transmission state values
09/2010
09/30/2010US20100251097 Schema framework and a method and apparatus for normalizing schema
09/30/2010US20100246595 Linking cross bar controller
09/29/2010CN1726709B Method and device for encoding image of uncompressed digital video frequency sequence
09/21/2010CA2280906C Secure packet radio network
09/15/2010CN1985482B Network devices and traffic shaping methods
09/15/2010CN1655133B Method and system of external data storage
09/14/2010US7796944 Communication system for dynamic management of a plurality of objects and method therefor
09/08/2010CN1947433B Channel allocation extension in wireless communications networks and methods
09/02/2010US20100223462 Method and device for accessing services and files
09/01/2010EP1665602B1 Incremental redundancy transmission in a mimo communication system
09/01/2010CN1802839B Method and apparatus for providing network service information to a mobile station by a wireless local area network
08/2010
08/31/2010US7788396 Synchronized data transfer system
08/31/2010US7788366 Centralized network control
08/31/2010US7788348 Context profile for data communications
08/25/2010CN1883154B Method and apparatus of communicating security/encryption information to a physical layer transceiver
08/19/2010US20100210266 Methods and Apparatus of Improving Inter-Sector and/or Inter Cell Handoffs In a Multi-Carrier Wireless Communications System
08/19/2010US20100208737 Systems and methods for multi-pair atm over dsl
08/18/2010CN1830165B Wideband DOCSIS on CATV systems using port-trunking
08/18/2010CN1778113B Robust mode staggercasting method capable of regulating delay distortion and the receiver
08/17/2010US7779245 Providing access bearer related information in a packet data network
08/17/2010US7778619 Method and apparatus for automatic frequency correction with a frequency error signal generated by block correlation of baseband samples with a known code sequence
08/11/2010CN101145252B Medium keeper and medium processing system
08/10/2010US7774436 Method and system for internet protocol provisioning of customer premises equipment
08/10/2010US7773750 System and method for partially encrypted multimedia stream
08/10/2010US7773694 Communication apparatus and communication method
07/2010
07/29/2010US20100191956 Method and apparatus of communicating security/encryption information to a physical layer transceiver
07/21/2010CN101784083A Signaling method for wlan network control
07/21/2010CN101784080A Signaling method for wlan network control
07/20/2010US7761904 Removable cryptographic ignition key system and method
07/20/2010US7761515 Group intercom, delayed playback, and ad-hoc based communications system and method
07/14/2010CN101778422A A bi-directional packet data transmission system and method
07/13/2010CA2516336C Multiple description hinting and switching for adaptive media services
07/08/2010US20100172498 Secure presentation of media streams in response to encrypted content
07/01/2010DE102004030634B4 Verfahren und Anordnung zur Detektion einer Kollision in einem Kommunikations-Netzwerk Method and apparatus for detecting a collision in a communication network
06/2010
06/30/2010CN101765150A Systeme de transmission bi-directionnelle de paquets de donnees et procede associe
06/29/2010US7746829 Flexible transport system including support for bilateral user access
06/29/2010US7746800 Flexible rate split method for MIMO transmission
06/23/2010CN101754275A Bidirectional packet data transmission system and method
06/22/2010US7742550 Wireless communication apparatus using fast fourier transforms to create, optimize and incorporate a beam space antenna array in an orthogonal frequency division multiplexing receiver
06/17/2010US20100153493 Communications system providing extensible protocol translation and configuration features and related methods
06/16/2010CN1427568B Wireless receiving/transmitting apparatus and method for effectively repeating high-speed information pocket data
06/15/2010US7738474 Linking cross bar controller
06/10/2010US20100142645 Communication Apparatus and Communication Method
06/09/2010CN1826819B System, and associated method, for scheduling weighted transmissions from multiple antennas
06/09/2010CN101729110A Method and system for wireless communication networks using cooperative relaying
06/08/2010US7733948 Method for providing service and rate negotiation in a mobile communication system
06/03/2010US20100138649 Transmission of packet data over a network with security protocol
06/03/2010US20100135220 Method and Arrangement for a Synchronized HSDPA Reconfiguration
06/03/2010US20100135216 Method for transmitting packet data in communication system
06/03/2010US20100135199 Method and a communication platform for packet communication between a service provider in a first network and a radio communication device in a second network
06/02/2010EP1695474B1 Wireless communication method and apparatus for controlling the transmission power of downlink and uplink coded composite transport channels based on discontinuous transmission state values
06/02/2010CN1930863B A method and arrangement for providing user information to a telecommunication client
06/01/2010US7730329 Digital rights management (DRM) encryption and data-protection for content on device without interactive authentication
06/01/2010US7729431 Method and system for antenna interference cancellation
06/01/2010US7729267 Method and apparatus for analyzing a media path in a packet switched network
05/2010
05/27/2010US20100128634 Protocol for configuring a wireless network
05/26/2010CN1918558B Operation method of multiple network communication based on shared medium
05/26/2010CN1874208B Method and apparatus for the formatting of data for transmission
05/26/2010CN1826737B Ofdm communication system
05/26/2010CN1774890B Method and system for rate control service in a network
05/26/2010CN1645824B Automated generation of message exchange pattern simulation code
05/26/2010CN1486560B Method and device for switching ATM, TDM, and packet data through a single communications switch
05/25/2010US7725559 Virtual data center that allocates and manages system resources across multiple nodes
05/25/2010US7725084 Apparatus, and associated method, for communicating communication data in a multiple-input, multiple-output communication system
05/18/2010US7720479 Methods and apparatus of improving inter-sector and/or inter-cell handoffs in a multi-carrier wireless communications system
05/18/2010US7720020 Method and system for wireless communication networks using cooperative relaying
05/12/2010CN1901507B Prioritization and flow control of a spread spectrum multiuser channel
05/12/2010CN1864363B Medium access control priority-based scheduling for data units in a data flow
05/12/2010CN1633652B Videoconference system playback controlling system, server and display method
05/06/2010US20100115105 Mobility in a multi-access communication network
05/06/2010US20100111096 Methods and Systems for Frequency and Time Division Access
05/05/2010CN1894934B A method and a device for reporting the number of correctly decoded transport blocks in a wireless system
05/05/2010CN1647443B Method and aystem for helping secure operation within an integrated system employing a data access control function
05/04/2010US7711948 Method and apparatus of communicating security/encryption information to a physical layer transceiver
04/2010
04/28/2010EP2180738A2 Method and apparatus for antenna steering for WLAN
04/28/2010CN1871824B Method and apparatus for translating resource names in a wireless environment
04/28/2010CN1685749B Method and apparatus for antenna steering for WLAN
04/28/2010CN1663215B Relocating context information in header compression and the network
04/27/2010US7706466 Lower complexity layered modulation signal processor
04/27/2010US7706282 Bluetooth personal area network routing protocol optimization using connectivity metric
04/22/2010US20100100651 Multipurpose and programmable pad for an integrated circuit
04/20/2010US7702327 Wireless control for creation of, and command response to, standard freight shipment messages
04/20/2010US7702036 Data sequence detection in communication system
04/20/2010US7702030 Module to module signaling with jitter modulation
04/20/2010US7701882 Systems and methods for collaborative communication
04/06/2010US7693189 HPNA hub
04/06/2010US7693151 Method and devices for providing protection in packet switched communications networks
03/2010
03/30/2010US7689800 Partition bus
03/30/2010US7688862 Systems and methods for the synchronization of a real-time scheduled packet network using relative timing
03/30/2010CA2488989C Apparatus, and associated method, for performing packet zone timing operations at a mobile node operable in a packet radio communication system
03/24/2010EP2166813A1 Apparatus and method for wireless communications in mesh networks
03/24/2010EP1680882B1 Apparatus and methods for central control of mesh networks
03/23/2010US7685302 Communications system providing extensible protocol translation and configuration features and related methods
03/23/2010US7685083 System and method for managing knowledge
03/17/2010CN100594476C Method and apparatus for realizing network access control based on port
03/11/2010US20100061534 Multi-Platform Capable Inference Engine and Universal Grammar Language Adapter for Intelligent Voice Application Execution
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