Patents
Patents for H04W 40 - Communication routing or communication path finding (16,044)
02/1999
02/24/1999CN1209255A Supervisory audio tone approximation
02/18/1999WO1999008421A2 Wireless network
02/18/1999WO1998052326A3 A method for packet switched data transmission
02/03/1999CN1207231A Process and device for data transmission in a cellular radio system
01/1999
01/21/1999WO1998047301A3 Path optimization in packet-based telecommunication network
01/20/1999EP0892570A2 Mobile radio communication system and radio circuit controlling method therefor
01/12/1999US5860136 Method and apparatus for use of associated memory with large key spaces
01/06/1999CN1204193A Method for transmitting two parallel channels using code division and apparatus realising the method
12/1998
12/30/1998EP0886981A1 An architecture for mobile radio networks with dynamically changing topology using virtual subnets
12/23/1998CN1203008A Distributed indoor digital multiple-access cellular telephone system
12/09/1998EP0883266A2 Router device, datagram transfer method and communication system realizing handoff control for mobile terminals
12/09/1998EP0882348A1 A telecommunications system, a channel selection protocol, and a radio station
12/02/1998EP0881786A2 Method and apparatus for transmitting two parallel channels using code division
12/02/1998EP0881639A2 Automatic equalization system
12/02/1998CN1200603A Automatic equalization system
11/1998
11/19/1998WO1998052326A2 A method for packet switched data transmission
11/19/1998CA2289928A1 A method for packet switched data transmission
11/10/1998US5834753 Laser scanner module having integral interface with hand-held data capture terminal proximity and label sensing, and enhanced sensitivity and power efficiency
10/1998
10/28/1998EP0873621A2 A method for configuring and routing data within a wireless multihop network and a wireless network for implementing the same
10/22/1998WO1998047301A2 Path optimization in packet-based telecommunication network
10/22/1998CA2287276A1 Path optimization in packet-based telecommunication network
10/21/1998EP0872148A1 Process and device for data transmission in a cellular radio system
10/21/1998EP0872127A1 Cordless cellular system
09/1998
09/11/1998WO1998020633A3 System and method for broadband millimeter wave data communication
08/1998
08/26/1998EP0860954A1 Method pf transfering information between moving objects and communication device using the method
08/25/1998CA2227651A1 A process for transmitting information between moving bodies and a communication device for carrying out this process
08/20/1998WO1998036577A1 Predictive coding method and decoding method for dynamic image
08/18/1998US5797096 System and method for maintaining control channel mode information in a cellular telecommunications network
08/18/1998US5797095 Supervisory audio tone-signalling tone(SAT-ST) handling
08/11/1998US5794155 Method and parameter prediction system for reestablishing a temporarily interrupted dynamic communication link
08/11/1998US5793842 System and method of call routing and connection in a mobile (remote) radio telephone system
07/1998
07/29/1998EP0855124A2 Process and device for retransmitting non speech-bound information
07/22/1998EP0853862A2 Distributed indoor digital multiple-access cellular telephone system
07/15/1998EP0852888A1 Method and system for processing telephone calls involving two digital wireless subscriber units that avoids double vocoding
07/09/1998WO1998017031A3 A method for configuring and routing data within a wireless multihop network and a wireless network for implementing the same
06/1998
06/25/1998WO1998027694A1 Communications system and method
06/04/1998WO1998024217A1 A telecommunications system, a channel selection protocol, and a radio station
05/1998
05/28/1998WO1998023119A1 Packet transmission in telecommunication network
05/14/1998WO1998020633A2 System and method for broadband millimeter wave data communication
05/05/1998US5748619 Communication network providing wireless and hard-wired dynamic routing
04/1998
04/23/1998WO1998017031A2 A method for configuring and routing data within a wireless multihop network and a wireless network for implementing the same
04/14/1998US5740366 Communication network having a plurality of bridging nodes which transmit a beacon to terminal nodes in power saving state that it has messages awaiting delivery
04/07/1998US5737328 Network communication system with information rerouting capabilities
03/1998
03/31/1998US5734678 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
03/10/1998US5726984 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones
02/1998
02/25/1998CN1174649A Method of routing international call to foreign mobile subscriber
12/1997
12/29/1997EP0813800A1 Communication system including method and apparatus for maintaining communications with a mobile terminal
12/24/1997WO1997044968A3 Method and apparatus for transmitting data
11/1997
11/27/1997WO1997044968A2 Method and apparatus for transmitting data
11/11/1997US5687194 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
10/1997
10/07/1997US5675629 Cordless cellular system base station
10/02/1997WO1997036444A1 An architecture for mobile radio networks with dynamically changing topology using virtual subnets
09/1997
09/30/1997US5673031 Redundant radio frequency network having a roaming terminal communication protocol
08/1997
08/28/1997WO1997031501A1 Quality driven voice channel selection in a cellular telephone system using idle voice channel signal strength measurements
08/13/1997EP0742989B1 Process for transmitting data in packets in a mobile radio system
08/12/1997US5657358 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or plurality of RF channels
07/1997
07/29/1997US5652751 Architecture for mobile radio networks with dynamically changing topology using virtual subnets
07/17/1997WO1997025827A1 Process and device for data transmission in a cellular radio system
07/17/1997WO1997013386A3 Distributed indoor digital multiple-access cellular telephone system
06/1997
06/26/1997WO1997023112A1 Supervisory audio tone approximation
06/26/1997WO1997023111A1 Supervisory audio tone-signalling tone (sat-st) handling
06/04/1997EP0494298B1 Multi-level radio-frequency communication system
05/1997
05/29/1997WO1997019531A1 Method and apparatus for signal-to-noise ratio calculation in radiocommunication systems using measurements of supervisory audio tones
05/29/1997WO1997019530A1 METHOD AND APPARATUS FOR SIGNAL STRENGTH MEASUREMENT OF SUPERVISORY AUDIO TONES (SATs) IN A RADIO COMMUNICATIONS SYSTEM
05/29/1997CA2238347A1 Method and apparatus for signal-to-noise ratio calculation in radiocommunication systems using measurements of supervisory audio tones
05/06/1997US5627831 Personal communication network hand over
04/1997
04/17/1997WO1997014254A2 Process and device for retransmitting non speech-bound information
04/10/1997WO1997013386A2 Distributed indoor digital multiple-access cellular telephone system
04/10/1997CA2233037A1 Distributed indoor digital multiple-access cellular telephone system
04/03/1997WO1997012493A1 Method and system for processing telephone calls involving two digital wireless subscriber units that avoids double vocoding
04/02/1997EP0766489A2 Method for call establishment and rerouting in mobile computing networks
03/1997
03/27/1997WO1997011567A1 Cordless cellular system
03/27/1997CA2335283A1 Cordless cellular system base station
03/18/1997US5612948 High bandwidth communication network and method
03/13/1997WO1997009835A1 Wireless communication system
02/1997
02/13/1997WO1997005752A1 System and method for maintaining control channel mode information in a cellular telecommunications network
01/1997
01/22/1997CN1140964A Method and parameter prediction system for reestablishing temporararily interrupted dynamic communication link
01/09/1997DE19625394A1 Method of restoring communication after interruption
01/08/1997EP0752763A2 Multi-level radio-frequency communication system
01/08/1997CN1140004A Process for transmitting data in packets in a mobile radio system
01/04/1997CA2178868A1 Method and parameter prediction system for reestablishing a temporarily interrupted dynamic communication link
12/1996
12/31/1996US5590126 Method of call establishment in a communications network
12/11/1996EP0746928A1 A mobility enabling access point architecture for wireless attachment to source routing networks
12/10/1996US5583914 Intelligent wireless signaling overlay for a telecommunication network
09/1996
09/24/1996US5559866 Method of reuse through remote antenna and same channel cell division
09/12/1996WO1996027994A1 Communication system including method and apparatus for maintaining communications with a mobile terminal
07/1996
07/02/1996US5533026 Communication system including method and apparatus for maintaining communications with a mobile terminal
04/1996
04/04/1996WO1996010307A1 A mobility enabling access point architecture for wireless attachment to source routing networks
04/02/1996US5504746 Radio frequency local area network
02/1996
02/06/1996US5490139 Mobility enabling access point architecture for wireless attachment to source routing networks
01/1996
01/24/1996CN1115529A Method and apparatus for adaptive directed route randomization and distribution in a richly connected communication network
01/03/1996EP0690640A2 Intelligent wireless signaling overlay for a telecommunication network
08/1995
08/29/1995US5446553 Wireless fax reception method with rooming
08/10/1995WO1995021508A1 Process for transmitting data in packets in a mobile radio system
08/03/1995DE4402903A1 Verfahren zur paketweisen Datenübertragung in einem Mobilfunknetz A method for packet-wise data transmission in a cellular network
07/1995
07/04/1995US5430729 Method and apparatus for adaptive directed route randomization and distribution in a richly connected communication network
06/1995
06/27/1995US5428636 Radio frequency local area network
05/1995
05/31/1995EP0655871A1 Method and apparatus for management of automatically initiated communication
05/27/1995CA2134395A1 Method and apparatus for management of automatically initiated communication
05/17/1995EP0606396A4 A radio frequency local area network.