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)
08/2013
08/27/2013	CA2553648C Adaptive transparent encryption
08/27/2013	CA2516231C Outer-loop power control for wireless communication systems
08/14/2013	EP2627036A1 Systems and Methods for Collaborative Communication
08/13/2013	US8510549 Transmission of packet data over a network with security protocol
08/07/2013	CN101069404B Method, device, system and networking connection equipment for opening a network link
07/2013
07/24/2013	CN103220323A Method and element for service control
07/23/2013	US8495073 Methods and systems for categorizing and indexing human-readable data
07/23/2013	CA2507492C Methods and systems for a call log
07/18/2013	US20130182629 Method and wireless transmit/receive unit (wtru) for receiving multimedia broadcast/multicast service
07/17/2013	CN101754275B Bidirectional packet data transmission system and method
07/17/2013	CN101729110B Method and system for wireless communication networks using cooperative relaying
07/16/2013	US8488761 Methods and systems for a call log
07/16/2013	US8488590 Method and device using data objects and their replications for carrying out communications in a distributed system
07/11/2013	US20130177095 Multiple-Input Multiple-Output System And Method
07/02/2013	US8477664 Communication platform and method for packet communication between a service provider and a radio communication device
07/02/2013	CA2564772C An intermediary network system and method for facilitating message exchange between wireless networks
07/02/2013	CA2514868C Interactive weather advisory system
06/2013
06/25/2013	US8472931 Methods and systems for automatic communication line management based on device location
06/25/2013	US8472606 Methods and systems for directory information lookup
06/25/2013	US8472323 Monitoring connection quality
06/25/2013	CA2726149C Generating and implementing a communication protocol and interface for high data rate signal transfer
06/19/2013	CN1933447B Prioritization and flow control of a spread spectrum multiuser channel
06/19/2013	CN101073283B A default subscription profile for a roaming terminal device in a packet data based mobile communication network
06/18/2013	US8467319 Systems and methods for setting up a session in a collaborative communication system
06/06/2013	US20130142137 Method and a device for reporting the number of correctly decoded transport blocks in a wireless system
06/05/2013	EP2600541A1 Wireless communication apparatus and wireless communication method
06/05/2013	EP2600540A1 Wireless communication apparatus and wireless communication method
06/05/2013	CN101646247B Base station apparatus, wireless communication apparatus and method, wireless communication system
06/04/2013	CA2507097C Methods and systems for notification of call to device
05/2013
05/16/2013	US20130121144 Multiplexing apparatus and discard method
05/15/2013	EP2592529A1 Multi-rate, multi-port, gigabit serdes transceiver
05/14/2013	US8442592 Wireless communication device capable of achieving a functionality by selecting modules for optimal performance
05/14/2013	CA2515490C An intermediary network system and method for facilitating message exchange between wireless networks
05/01/2013	CN101964823B Interactive weather advisory system
04/2013
04/24/2013	EP1646163B1 Radio communication device and radio communication method
04/24/2013	CN101969473B Interactive weather advisory system
04/24/2013	CN101917257B Incremental redundancy transmission in a MIMO communication system
04/23/2013	US8428594 Methods and apparatus of improving inter-sector and/or inter cell handoffs in a multi-carrier wireless communications system
04/16/2013	US8422511 Systems and methods for multi-pair ATM over DSL
04/10/2013	EP2579624A2 Channel switching for support of multimedia broadcast and multicast services
04/09/2013	US8417533 Method and system for the fire response dispatch protocol of an emergency dispatch system
04/09/2013	US8417245 Method and wireless transmit/receive unit (WTRU) for receiving multimedia broadcast/multicast service
04/09/2013	US8416783 VLAN protocol
04/02/2013	US8411596 Systems and methods for collaborative communication
03/2013
03/27/2013	CN102014437B Maintaining data connectivity for handoffs between compression-enabled and compression-disabled communication systems
03/26/2013	US8406747 Communication system and a personal communication proxy
03/21/2013	US20130070834 Method and apparatus for single burst equalization of single carrier signals in broadband wireless access systems
03/06/2013	CN101300878B Data transmission device and method in communication system
03/06/2013	CN101300808B Method and arrangement for secure autentication
02/2013
02/27/2013	CN101228766B 密钥材料的交换 Key exchange material
02/20/2013	CN1784851B Access method and access point for control terminal device to WLAN
02/19/2013	CA2507154C Methods and systems for configuring and providing conference calls
02/19/2013	CA2507129C Methods and systems for remote call establishment
02/13/2013	CN101527881B Method for transmitting mbms in wireless communication system and wireless electric network controller
02/12/2013	US8374085 Method and apparatus for achieving broadband matching of narrow-band resonator filter impedances to loads and sources
02/12/2013	CA2554546C Methods and apparatus for the utilization of core based nodes for state transfer
02/06/2013	CN102917450A Receiving station for controlling communication transmission power level and station for generating power control information
02/05/2013	US8369320 Multiplexing apparatus and cell discard method
01/2013
01/29/2013	CA2507490C Methods and systems for automatic communication line management based on device location
01/23/2013	CN101917262B Incremental redundancy transmission in a mimo communication system
01/16/2013	EP2547004A2 Weight generation method for multi-antenna communication systems utilizing RF-based and baseband signal weighting and combining based upon minimum bit error rate
01/16/2013	CN101646246B Radio communication device and radio communication method
01/08/2013	US8351376 Method for transmitting packet data in communication system
01/08/2013	CA2666198C Channel switching for support of multimedia broadcast and multicast services
01/08/2013	CA2517207C Transmission schemes for multi-antenna communication systems utilizing multi-carrier modulation
01/03/2013	US20130007457 Exchange of key material
01/02/2013	EP2542002A2 Location requests and measurement responses in wireless communications networks
12/2012
12/27/2012	US20120329465 Method and system for an adaptive wireless communication system optimized for economic benefit
12/26/2012	EP2538615A1 Signaling method for WLAN network control
12/25/2012	US8339945 Data link control architecture for integrated circuit devices
12/20/2012	US20120324437 Service providing apparatus and server providing method
12/18/2012	US8335925 Method and arrangement for secure authentication
12/13/2012	WO2005029745A3 Advertising based on a search string and user attribute combination
12/13/2012	US20120314752 Multi-user detection using equalization and successive interference cancellation
12/06/2012	US20120307936 Transmitting apparatus, transmitting method, receiving apparatus, and receiving method
12/04/2012	US8325604 Communication system and method for media access control
12/04/2012	CA2665713C Maximizing power and spectral efficiencies for layered and conventional modulations
11/2012
11/28/2012	CN101103551B Method, access point and WTRU for controlling transmission power levels of uplink/downlink communication in a wireless communication system
11/28/2012	CN101048987B Data transmission method and network elements
11/27/2012	US8320376 Method and system for out-of-band messaging
11/21/2012	CN101142774B Incremental redundancy transmission in a mimo communication system
11/14/2012	CN102780517A Multiple-input multiple-output system and method
11/14/2012	CN101185311B Utilizing generic authentication architecture for mobile internet protocol key distribution
11/14/2012	CN101138196B 通信系统和个人通信代理 Communication systems and personal communication agent
11/14/2012	CN101116278B Method and system for recovery of state information of a first tunnel endpoint in an layer two tunnelling protocol (L2TP) network
11/13/2012	US8310933 Method and a device for reporting the number of correctly decoded transport blocks in a wireless system
11/08/2012	US20120284292 Bookmarks and Watchpoints for Selection and Presentation of Media Streams
11/08/2012	US20120281968 Bookmarks and Watchpoints for Selection and Presentation of Media Streams
11/08/2012	US20120281967 Bookmarks and Watchpoints for Selection and Presentation of Media Streams
11/06/2012	US8306574 Method and system for an adaptive wireless communication system optimized for economic benefit
11/06/2012	US8305968 Solicitation triggers for opening a network link
10/2012
10/30/2012	US8301886 Method and apparatus for article authentication
10/30/2012	US8300819 Service providing apparatus and server providing method
10/30/2012	US8300540 Systems and methods for dynamic network channel modification
10/23/2012	US8295488 Exchange of key material
10/17/2012	CN1984495B Method and equipment for quality-of-service based routing
10/11/2012	US20120257641 Method, a computer program product, and a carrier for indicating one-way latency in a data network
10/09/2012	CA2341879C Codec mode decoding using a priori knowledge
10/03/2012	EP2506508A2 Systems and methods for multi-pair ATM over DSL
10/03/2012	CN1969516B Data transmission in communication system

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