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Richard J Bitter, Jamillah G Davis, James E Eastwood, Leslie G Gustafson, Dennis R Newkirk: Method and apparatus for providing interoperability between a first protocol and a second protocol. Motorola Solutions, Barbara R Doutre, November 22, 2011: US08064480 (4 worldwide citation)

The application discloses a method and apparatus for providing interoperability for a mobile subscriber unit (MSU), employing a first protocol e.g., SCEP, with a packet-data subsystem operating at a second protocol e.g., SNDCP. The method includes determining that the first protocol employed by the ...


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Timothy G Woodward, Gerald R Drobka, James E Eastwood, Nathanael P Kuehner, John G Lambrou, Todd A Leigh: Method for selecting a channel in a multi-channel communication system. Motorola Solutions, Valerie M Davis, Kenneth A Haas, April 23, 2013: US08427996 (2 worldwide citation)

A method for selecting a channel for group communications in a conventional multi-channel communication system comprises receiving, for a plurality of channels in the multi-channel communication system, a talkgroup assignment list for the channels that identifies a set of talkgroups assigned to use ...


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Thomas P McGovern, Michael J Crowley, James E Eastwood, Bradley M Hiben: System and method of achieving dynamic channel bandwidth. Motorola, Motorola, October 3, 2002: US20020142777-A1 (1 worldwide citation)

Fixed network equipment (100) initializes a channel aggregation strategy and establishes a default channel aggregation. A request for a service requiring additional bandwidth is received from a device. An updated channel aggregation is generated based upon the request and the channel aggregation str ...


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James E Eastwood, Jeff S Anderson, Roberto A Perez: Method and system for synchronization of link layer windows. Motorola, Indira Saladi, Terri S Hughes, Valerie M Davis, January 25, 2011: US07876740

A method and system for synchronization of link layer windows in a wireless communications system is disclosed. At a transmitter in the wireless communications system, the transmitter transmits a plurality of frames in a transmitter's link layer window, wherein each frame comprises segments and send ...


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Nathanael P Kuehner, Gerald R Drobka, James E Eastwood, Todd A Leigh, Timothy G Woodward: Method to indicate status of channels assigned to a talkgroup in a multi-site conventional communication system. Motorola Solutions, Valerie M Davis, Randi L Karpinia, February 14, 2012: US08116798

A method for indicating the status of communication channels assigned to a talkgroup includes: determining the channels in various sites in a conventional communication system that service a talkgroup for media transmissions between subscribers of the talkgroup; receiving notification of the status ...


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James E Eastwood, Jeff S Anderson, Roberto A Perez: Method and system for synchronization of link layer windows. Motorola, February 8, 2007: US20070030864-A1

A method and system for synchronization of link layer windows in a wireless communications system is disclosed. At a transmitter in the wireless communications system, the transmitter transmits a plurality of frames in a transmitter's link layer window, wherein each frame comprises segments and send ...


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Ravi Madhav K Adatrao, Andrew J Harris, Hania A Yassin, James E Eastwood: Methods of performing mobile IP registration in a wireless communication system. Motorola, August 21, 2003: US20030158938-A1

A mobile IP registration solution for mobile nodes (108-111) of a wireless communication system (100) eliminates the need for sending (208) solicitation messages or receiving (210) advertisement messages from foreign agents (118). A mobile node receives an IP address of a foreign agent from a contro ...


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Richard J Bitter, Jamillah G Davis, James E Eastwood, Leslie G Gustafson, Dennis R Newkirk: Method and apparatus for providing interoperability between a first protocol and a second protocol. Motorola, Motorola, Penny Tomko, December 30, 2010: US20100329280-A1

The application discloses a method and apparatus for providing interoperability for a mobile subscriber unit (MSU), employing a first protocol e.g., SCEP, with a packet-data subsystem operating at a second protocol e.g., SNDCP. The method includes determining that the first protocol employed by the ...