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Extended Range Direct Mode Enhanced Channel Access In Digital Mobile Radio Systems App 20200359413 - Bohn; Thomas B. ;   et al. | 2020-11-12 |
Method and device for zero configuration direct fallback communication Grant 10,764,894 - Wiatrowski , et al. Sep | 2020-09-01 |
Method And Device For Zero Configuration Direct Fallback Communication App 20200146009 - WIATROWSKI; DAVID G. ;   et al. | 2020-05-07 |
Base station device with reduced power consumption and method thereof Grant 10,462,738 - Leyh , et al. Oc | 2019-10-29 |
Method and controller to provide large group data calls while reducing group echo Grant 10,382,905 - Buchwald , et al. A | 2019-08-13 |
Time efficient group data acknowledgement Grant 9,654,257 - Bohn May 16, 2 | 2017-05-16 |
Time Efficient Group Data Acknowledgement App 20160218834 - BOHN; THOMAS B. | 2016-07-28 |
Methods and systems for dynamically adjusting frequency offsets for mitigating interference Grant 9,391,592 - Leyh , et al. July 12, 2 | 2016-07-12 |
Methods And Systems For Dynamically Adjusting Frequency Offsets For Mitigating Interference App 20160164496 - LEYH; ARTHUR CHRISTOPHER ;   et al. | 2016-06-09 |
Method and system for managing mass registration scenario in two-way radio system Grant 9,344,988 - Roussev , et al. May 17, 2 | 2016-05-17 |
System and method for interrupting communications within a communication system Grant 9,313,824 - Wiatrowski , et al. April 12, 2 | 2016-04-12 |
Method And System For Managing Mass Registration Scenario In Two-way Radio System App 20160081052 - ROUSSEV; ALEXANDER D. ;   et al. | 2016-03-17 |
Method and apparatus for responding to a potential mass random access event Grant 9,277,428 - Chowdhary , et al. March 1, 2 | 2016-03-01 |
Method and system for managing mass registration scenario in two-way radio system Grant 9,271,253 - Roussev , et al. February 23, 2 | 2016-02-23 |
Method and apparatus for informing a radio of a group-call started while the radio was away from a control channel Grant 9,271,257 - Chung , et al. February 23, 2 | 2016-02-23 |
Full duplex individual call via linked single frequency repeaters Grant 9,231,693 - Khoo , et al. January 5, 2 | 2016-01-05 |
Full duplex direct mode individual and group calling using adjacent time slots in a TDMA system Grant 9,232,522 - Khoo , et al. January 5, 2 | 2016-01-05 |
System and method for interrupting a transmitting device in a communication system Grant 9,178,987 - Wiatrowski , et al. November 3, 2 | 2015-11-03 |
Method And Apparatus For Responding To A Potential Mass Random Access Event App 20150312781 - CHOWDHARY; DIPENDRA M. ;   et al. | 2015-10-29 |
Channel structure for non-contention based windows and contention based random access requests Grant 9,167,599 - Wiatrowski , et al. October 20, 2 | 2015-10-20 |
Method and device for automatic creation of a location-based talk group call with reduced messaging overhead Grant 9,131,344 - Chowdhary , et al. September 8, 2 | 2015-09-08 |
Method And Apparatus For Informing A Radio Of A Group-call Started While The Radio Was Away From A Control Channel App 20150173042 - CHUNG; YUEH CHING ;   et al. | 2015-06-18 |
Method And System For Managing Mass Registration Scenario In Two-way Radio System App 20150148034 - Roussev; Alexander D. ;   et al. | 2015-05-28 |
Method and apparatus for confirming delivery of group data to radio communication devices in a wireless communication system Grant 9,042,356 - Chowdhary , et al. May 26, 2 | 2015-05-26 |
Method of efficiently synchronizing to a desired timeslot in a time division multiple access communication system Grant 8,976,776 - Wiatrowski , et al. March 10, 2 | 2015-03-10 |
Full Duplex Individual Call Via Linked Single Frequency Repeaters App 20150023226 - Khoo; Hun Weng ;   et al. | 2015-01-22 |
Full Duplex Direct Mode Individual And Group Calling Using Adjacent Time Slots In A Tdma System App 20150023227 - KHOO; HUN WENG ;   et al. | 2015-01-22 |
Method and apparatus for restricting radio access to a system Grant 8,914,699 - Panpaliya , et al. December 16, 2 | 2014-12-16 |
Method And Apparatus For More Efficient Sharing Of Synchronized Direct Mode Timeslots App 20140105194 - WIATROWSKI; DAVID G. ;   et al. | 2014-04-17 |
Method And Device For Automatic Creation Of A Location-based Talk Group Call With Reduced Messaging Overhead App 20140057645 - CHOWDHARY; DIPENDRA M. ;   et al. | 2014-02-27 |
System And Method For Interrupting A Transmitting Device In A Communication System App 20140016514 - WIATROWSKI; DAVID G. ;   et al. | 2014-01-16 |
System and method for interrupting a transmitting device in a communication system Grant 8,605,650 - Wiatrowski , et al. December 10, 2 | 2013-12-10 |
Method And Apparatus For Confirming Delivery Of Group Data To Radio Communication Devices In A Wireless Communication System App 20130322414 - CHOWDHARY; DIPENDRA M. ;   et al. | 2013-12-05 |
Method And Apparatus For Restricting Radio Access To A System App 20130288643 - PANPALIYA; SATYANARAYAN R. ;   et al. | 2013-10-31 |
Methods for using effective radiated transmit power of a base station at a wireless communication device to determine uplink transmission range and/or to adjust transmit power Grant 8,543,065 - Karpoor , et al. September 24, 2 | 2013-09-24 |
Method And System For Compressing Location Data Of A Radio For Over-the-air Transmission App 20130246659 - CHOWDHARY; DIPENDRA M. ;   et al. | 2013-09-19 |
Wireless communication device using a base station radiated effective transmit power for performing an automatic roaming Grant 8,521,158 - Karpoor , et al. August 27, 2 | 2013-08-27 |
Method for direct mode channel access Grant 8,503,409 - Bohn , et al. August 6, 2 | 2013-08-06 |
Method and system for compressing location data of a radio for over-the-air transmission Grant 8,468,269 - Chowdhary , et al. June 18, 2 | 2013-06-18 |
Method And System For Compressing Location Data Of A Radio For Over-the-air Transmission App 20130036238 - CHOWDHARY; DIPENDRA M. ;   et al. | 2013-02-07 |
Method of Efficiently Synchronizing to a Desired Timeslot in a Time Division Multiple Access Communication System App 20120327927 - WIATROWSKI; DAVID G. ;   et al. | 2012-12-27 |
Method of efficiently synchronizing to a desired timeslot in a time division multiple access communication system Grant 8,279,991 - Wiatrowski , et al. October 2, 2 | 2012-10-02 |
Method for interrupting voice transmissions within a multi site communication system Grant 8,271,009 - Bohn , et al. September 18, 2 | 2012-09-18 |
Method for facilitating transmission of data in a communication system Grant 8,254,974 - Chowdhary , et al. August 28, 2 | 2012-08-28 |
Methods For Using Effective Radiated Transmit Power Of A Base Station At A Wireless Communication Device To Determine Uplink Transmission Range And/or To Adjust Transmit Power App 20120135777 - Karpoor; Sanjaykumar S. ;   et al. | 2012-05-31 |
Methods For Using Effective Radiated Transmit Power Of A Base Station At A Wireless Communication Device To Perform An Automatic Roaming Method At The Wireless Communication Device App 20120135728 - Karpoor; Sanjaykumar S. ;   et al. | 2012-05-31 |
Method for initiating a communication while participating in another communication Grant 8,150,438 - Bohn , et al. April 3, 2 | 2012-04-03 |
Channel Structure For Non-contention Based Windows And Contention Based Random Access Requests App 20120069786 - Wiatrowski; David G. ;   et al. | 2012-03-22 |
Method for trunking radio frequency resources Grant 8,139,597 - Chowdhary , et al. March 20, 2 | 2012-03-20 |
Method of communicating which channel is to be monitored by subscriber units that are idle in a communication system Grant 8,045,499 - Wiatrowski , et al. October 25, 2 | 2011-10-25 |
Method For Direct Mode Channel Access App 20110255521 - Bohn; Thomas B. ;   et al. | 2011-10-20 |
Method For Facilitating Transmission Of Data In A Communication System App 20110143797 - Chowdhary; Dipendra M. ;   et al. | 2011-06-16 |
Method For Interrupting Voice Transmissions Within A Multi Site Communication System App 20110117835 - Bohn; Thomas B. ;   et al. | 2011-05-19 |
Method and apparatus for peer to peer link establishment over a network Grant 7,945,680 - LoGalbo , et al. May 17, 2 | 2011-05-17 |
System And Method For Interrupting Communications Within A Communication System App 20110028084 - Wiatrowski; David G. ;   et al. | 2011-02-03 |
Method For Initiating A Communication While Participating In Another Communication App 20100279726 - Bohn; Thomas B. ;   et al. | 2010-11-04 |
Methods for informing mobile stations of control channel architectures Grant 7,808,948 - Newberg , et al. October 5, 2 | 2010-10-05 |
Method and system of accessing a de-keyed base station Grant 7,729,701 - Wiatrowski , et al. June 1, 2 | 2010-06-01 |
Method of Efficiently Synchronizing to a Desired Timeslot in a Time Division Multiple Access Communication System App 20100086092 - Wiatrowski; David G. ;   et al. | 2010-04-08 |
Method For Trunking Radio Frequency Resources App 20100087199 - CHOWDHARY; DIPENDRA M. ;   et al. | 2010-04-08 |
Method of Communicating which Channel is to be Monitored by Subscriber Units that are Idle in a Communication System App 20100085952 - WIATROWSKI; DAVID G. ;   et al. | 2010-04-08 |
System And Method For Interrupting A Transmitting Device In A Communication System App 20090303923 - Wiatrowski; David G. ;   et al. | 2009-12-10 |
Method And Apparatus For Peer To Peer Link Establishment Over A Network App 20090113059 - LoGalbo; Bob ;   et al. | 2009-04-30 |
Method and apparatus for error detection in a data block Grant 7,500,170 - Wiatrowski , et al. March 3, 2 | 2009-03-03 |
Method for allowing a subscriber unit to access a channel for voice transmissions Grant 7,499,441 - Wiatrowski , et al. March 3, 2 | 2009-03-03 |
Method and system of scanning a TDMA channel Grant 7,369,869 - Wiatrowski , et al. May 6, 2 | 2008-05-06 |
Method And Apparatus For Error Detection In A Data Block App 20080052603 - Wiatrowski; David G. ;   et al. | 2008-02-28 |
Method and system of accessing a de-keyed base station App 20070053316 - Wiatrowski; David G. ;   et al. | 2007-03-08 |
Methods for informing mobile stations of control channel architectures App 20060221887 - Newberg; Donald G. ;   et al. | 2006-10-05 |
Method and system of scanning a TDMA channel App 20060018292 - Wiatrowski; David G. ;   et al. | 2006-01-26 |
Method and system for providing access to a channel for voice transmission App 20060013188 - Wiatrowski; David G. ;   et al. | 2006-01-19 |
Dynamically setting and changing a TDMA slotting structure to accommodate different call types App 20050201317 - Bohn, Thomas B. ;   et al. | 2005-09-15 |