Kenneth A Felix, Alton P Werronen, Thomas B Hart, Scott A Hardman, Thomas G Hulsebosch: Radio telephone system incorporating multiple time periods for communication transfer. Motorola, Richard A Sonnentag, Raymond A Jenski, Raymond J Warren, April 13, 1993: US05203010 (117 worldwide citation)

A cellular radiotelephone system transfers a call from a source base-site (200) to one target base-site (205,210). A source base-site (200) in the first RF coverage area (100) measures the signal strength (RSSI.sub.S) of a mobile (225), provides a forecasted signal strength (RSSI.sub.F) representing ...

John M Harris, Ronald T Crocker, Thomas B Hart: Method and system for use in reducing cost associated with lost connections in wireless communication. Motorola, August 8, 2006: US07089012 (17 worldwide citation)

The present embodiments provide apparatuses, methods and systems for use in notifying a remote communication device when a local wireless device loses its wireless link. In some embodiments, a method detects when a wireless connection is lost with a first communication device, identifies a second co ...

Robert Horvath, Susan C Billings Urbina, Thomas B Hart: Method and system for delivery of short message service messages. Motorola, March 30, 2010: US07689234 (11 worldwide citation)

A method and device for transmitting at least one short messaging service message to at least one wireless device are disclosed. The method comprises receiving at least one short message service message request associated with a short message service message. The short message service message is des ...

Thomas B Hart, Ronald T Crocker: Method and apparatus reducing PTT call setup delays. Motorola, Jeffrey K Jacobs, February 5, 2008: US07328036 (6 worldwide citation)

Various embodiments are described herein to address the need for providing substantially reduced PTT call setup delays. Modifications to channel assignment request messaging (400), such as an IS-2000 Reconnect Message and an IS-2000 Origination Message, are described. In addition, the use of common ...

Thomas B Hart, Ronald T Crocker, John M Harris, Shreesha Ramanna: Method and apparatus for increasing success rate of push-to-talk access in a mobile communications network. Motorola, March 27, 2007: US07197328 (5 worldwide citation)

A method and computer program for initiating a message to a radio access network include steps of: (404) detecting a request to transmit a probe message from a transmitter over an access channel to a radio access network; (406) calculating a transmit power for the probe message; (408) checking a con ...

Thomas B Hart, Jay Jayapalan: Method and apparatus for supporting a reduced resource dormant state for packet data. Motorola, December 16, 2008: US07466675 (2 worldwide citation)

The present embodiments address the need for a reduced resource dormant state for packet data systems (100) that substantially provides the benefits of current dormant mode operation but without the resource maintenance costs. After a period of MS session inactivity, PCF resources, certain PDSN reso ...

Geoffrey Dietz, Thomas B Hart, Daniel L Price: Method and devices for instant message client swap. Infinite Convergence Solutions, Russell E Sorber, January 5, 2016: US09231894 (1 worldwide citation)

This innovation relates to a method as well as server and client devices to allow a single user to swap between devices in real-time within the same instant message session.

John M Harris, Ronald T Crocker, Thomas B Hart: System and method for establishing communications between mobile stations. Motorola, September 1, 2009: US07583973 (1 worldwide citation)

A page request (112) is received. When a user preference is not up-to-date, a non-acceptance message (116) is appended to a page response (114) and channel assignment is altered when the page response (114) includes the non-acceptance message (116).

John M Harris, Ronald T Crocker, Thomas B Hart: System and method for delay reduction in a network. Motorola, February 26, 2008: US07336966

A system and method for reducing the transmission delay of messages sent through a network from a source mobile unit (112) to a destination mobile unit (114). Portions of a data message are received (202). The portions of the data message are decoded (204) and a type of the data message is determine ...

John M Harris, Ronald T Crocker, Thomas B Hart, Valentin Oprescu Surcobe: Providing presence information in a communication network. Motorola, April 21, 2009: US07522548

A server (101) designates and assigns each of a plurality of communication devices to at least one of a plurality of groups. The server (101) prepares a communication having presence information corresponding to a status of the communication devices in the group; determines network infrastructure de ...