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Browse by Category: Main > Communications
Class Information
Number: 455/520
Name: Telecommunications > Transmitter and receiver at separate stations > Plural transmitters or receivers (i.e., more than two stations) > Central station (e.g., master, etc.) > To or from mobile station > Having talk group > On-site or multi-site trunking
Description: Subject matter which includes co-existing trunking systems operating in the same geographical area or a trunking system having more than one base station.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8712368 System and method for providing radio communication in a land mobile radio system Apr. 29, 2014
8712459 Group control method for machine type communication and mobile communication system using the method Apr. 29, 2014
8688161 System and method for creating an ad hoc group in a push-to-talk system Apr. 1, 2014
8675582 Method, apparatus, and system for setting up radio bearer Mar. 18, 2014
8676182 Apparatus and methods for enforcement of policies upon a wireless device Mar. 18, 2014
8620371 Method and mobile station for automatic creation of talk group Dec. 31, 2013
8621090 System and method for providing sequenced anonymous communication sessions over a network Dec. 31, 2013
8611910 Method and system for forming an actionable communication resource Dec. 17, 2013
8600366 Communication apparatus, communication system, and communication method Dec. 3, 2013
8600421 Method and apparatus for priority monitoring of communication groups over multiple disparate wireless networks Dec. 3, 2013
8594708 Portable telephone information visualizing device for visualizing information relating to portable telephone terminals Nov. 26, 2013
8594714 Method and device for processing media request in multimedia communication process Nov. 26, 2013
8577405 Systems, methods, and machine-readable media providing location-enabled group management Nov. 5, 2013
8577404 Prioritization of group communications at a wireless communication device Nov. 5, 2013
8565802 Method and system for automatically dekeying a talk group speaker to join a multi-group communication Oct. 22, 2013
8565803 Method and apparatus for communicating amongst two-way radios Oct. 22, 2013
8504009 Method of setting the dispatch area based on the cluster system of CDMA technology Aug. 6, 2013
8452318 Method and systems for power overload control of the trunking group forward supplemental channel May. 28, 2013
8442576 Mobile telecommunication device and event processing method using the same May. 14, 2013
8437791 Method and system for controlling talk time for PoC user May. 7, 2013
8432904 Ad-hoc IP closed user group networks Apr. 30, 2013
8427996 Method for selecting a channel in a multi-channel communication system Apr. 23, 2013
8417275 System and method for multiple simultaneous communication groups in a wireless system Apr. 9, 2013
8417289 Embedded biometrics in telecommunication devices for feature extraction and context identification Apr. 9, 2013
8406798 Method and apparatus for bridging calls between two disparate push-to-talk systems Mar. 26, 2013
8406797 System and method for transmitting and playing alert tones in a push-to-talk system Mar. 26, 2013
8380228 Method for managing power consumption of a pager on a trunked network Feb. 19, 2013
8355691 Land mobile radio dispatch console Jan. 15, 2013
8355743 Push-to-talk communication method and system Jan. 15, 2013
8351970 Method for extending a push to talk communication service Jan. 8, 2013
8346256 Method of multicast service provisioning Jan. 1, 2013
8335533 Trunking and push-to-talk mechanisms for WCDMA wireless communications Dec. 18, 2012
8331973 Method and system for terminal PTT registration based on CDMA trunking system Dec. 11, 2012
8311567 Method for managing pre-established session, PoC system and PoC user equipment for implementing the same Nov. 13, 2012
8265862 System, method, and computer program product for communicating location-related information Sep. 11, 2012
8260350 Embedded biometrics in telecommunication devices for feature extraction and context identification Sep. 4, 2012
8249640 Method for determining a paging slot of a CDMA mobile station trunking service Aug. 21, 2012
8244291 Method and mobile station for automatic creation of talk group Aug. 14, 2012
8224366 System and method for multiple simultaneous communication groups in a wireless system Jul. 17, 2012
8219133 Implicit group formation around feed content for mobile devices Jul. 10, 2012
8190177 Paging a mobile station individually and using broadcast pages May. 29, 2012
8175628 Method and apparatus for reducing push-to-talk (PTT) latency in a WCDMA network May. 8, 2012
8170595 Hands-free mode for a half-duplex communications system May. 1, 2012
8150438 Method for initiating a communication while participating in another communication Apr. 3, 2012
8145250 Method for managing pre-established session, PoC system and PoC user equipment for implementing the same Mar. 27, 2012
8135426 Optimistic talk-permit reliability enhancement in a push-to-talk system Mar. 13, 2012
8134984 Conversion of access nodes to gateways within a wireless mesh network Mar. 13, 2012
8126494 System and method for providing a trunked radio and gateway Feb. 28, 2012
8116798 Method to indicate status of channels assigned to a talkgroup in a multi-site conventional communication system Feb. 14, 2012
8099121 System and method for granting transmit capability in a push to communicate system Jan. 17, 2012

1 2 3 4 5










 
 
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