Inventor · disambiguated record
Shyamal Ramachandran
Also filed as: RAMACHANDRAN SHYAMAL
69 granted patents·31 pending applications·378 citations·filing 2005–2021
99Inventor score
Files withQUALCOMM INC44MOTOROLA INC17RAMACHANDRAN SHYAMAL11KLINGENBRUNN THOMAS8MOTOROLA SOLUTIONS INC4
Top patents by PatentIndex Score
100 records- 0197US10893444B2Voice fallback in 5G NRQUALCOMM INC·Filed 2020·Granted Jan 12, 2021·5 cites·30 claims
- 0295US7742448B2Optimizing topology learning in a multihop networkMOTOROLA INC·Filed 2006·Granted Jun 22, 2010·38 cites·28 claims
- 0395US7599341B2System and method for managing communication routing within a wireless multi-hop networkMOTOROLA INC·Filed 2006·Granted Oct 6, 2009·40 cites·23 claims
- 0493US9264945B2Systems and methods for improving circuit switched fallback performanceRAMACHANDRAN SHYAMAL·Filed 2011·Granted Feb 16, 2016·15 cites·30 claims
- 0592US8934336B2System and method for preserving session context during inter-radio access technology service retryRAMACHANDRAN SHYAMAL·Filed 2011·Granted Jan 13, 2015·15 cites·45 claims
- 0689US8787172B2Method and apparatus for QoS context transfer during inter radio access technology handover in a wireless communication systemKLINGENBRUNN THOMAS·Filed 2010·Granted Jul 22, 2014·9 cites·11 claims
- 0789US7782835B2System and method for multihop packet forwardingMOTOROLA INC·Filed 2007·Granted Aug 24, 2010·19 cites·14 claims
- 0888US9026112B2Transitioning of mobile devices within a wireless communication network between multiple radio access technologiesKLINGENBRUNN THOMAS·Filed 2012·Granted May 5, 2015·9 cites·20 claims
- 0987US9001784B2Handover of multimode user equipment between radio access technologies for reduced call setup timeRAMACHANDRAN SHYAMAL·Filed 2010·Granted Apr 7, 2015·8 cites·37 claims
- 1086US10475456B1Smart coding mode switching in audio rate adaptationQUALCOMM INC·Filed 2018·Granted Nov 12, 2019·14 cites·30 claims
- 1186US8989742B2Methods and apparatus for inter-rat cell reselectionRAMACHANDRAN SHYAMAL·Filed 2012·Granted Mar 24, 2015·7 cites·22 claims
- 1286US8908636B2Method and apparatus for QoS context transfer during inter radio access technology handover in a wireless communication systemKLINGENBRUNN THOMAS·Filed 2010·Granted Dec 9, 2014·9 cites·16 claims
- 1385US9094943B2Network and mobile device initiated quality of serviceKLINGENBRUNN THOMAS·Filed 2009·Granted Jul 28, 2015·12 cites·45 claims
- 1484US11122480B2Multimedia session continuity and domain selection based on user equipment learning and historyQUALCOMM INC·Filed 2018·Granted Sep 14, 2021·5 cites·29 claims
- 1584US9924402B2Method and apparatus for QoS context transfer during inter radio access technology handover in a wireless communication systemQUALCOMM INC·Filed 2014·Granted Mar 20, 2018·6 cites·10 claims
- 1684US9241302B2Methods and apparatus for radio access technology searchRAMACHANDRAN SHYAMAL·Filed 2012·Granted Jan 19, 2016·6 cites·28 claims
- 1784US7620003B2System and method of operation of a communication networkMOTOROLA INC·Filed 2006·Granted Nov 17, 2009·11 cites·25 claims
- 1883US9615401B2Methods and apparatus for updating a device configurationQUALCOMM INC·Filed 2013·Granted Apr 4, 2017·6 cites·24 claims
- 1983US8934331B2Circuit switched fallback procedureSONG OSOK·Filed 2010·Granted Jan 13, 2015·6 cites·60 claims
- 2083US7760702B2Automatic repeat request (ARQ) protocol for a multihop cooperative relay communication networkMOTOROLA INC·Filed 2008·Granted Jul 20, 2010·14 cites·34 claims
- 2182US9408052B2Techniques for power conservation in emergency broadcast message receptionQUALCOMM INC·Filed 2013·Granted Aug 2, 2016·6 cites·16 claims
- 2281US9699718B2System, apparatus, and method to enable domain selection in a multimode deviceRAMACHANDRAN SHYAMAL·Filed 2011·Granted Jul 4, 2017·5 cites·40 claims
- 2380US9398501B1Techniques for resolving conflicting rules in measuring cells for reselectionQUALCOMM INC·Filed 2015·Granted Jul 19, 2016·4 cites·22 claims
- 2480US8787350B2System and method to facilitate the use of multiple radios to increase the capacity of a wireless communication networkJOSHI AVINASH·Filed 2005·Granted Jul 22, 2014·9 cites·20 claims
- 2580US8000283B2Method and apparatus for relay station neighbor discoveryMOTOROLA SOLUTIONS INC·Filed 2008·Granted Aug 16, 2011·7 cites·26 claims
- 2680US7916704B2Method of communication scheduling in a multihop networkMOTOROLA SOLUTIONS INC·Filed 2007·Granted Mar 29, 2011·8 cites·9 claims
- 2779US9456337B2Apparatus and method for signaling network capabilities for a wireless deviceQUALCOMM INC·Filed 2013·Granted Sep 27, 2016·5 cites·34 claims
- 2878US8730912B2Determining a non-access stratum message count in handoverDRAPKIN VITALY·Filed 2010·Granted May 20, 2014·7 cites·23 claims
- 2977US8903382B2Method and apparatus for multi-mode system selectionSWAMINATHAN ARVIND·Filed 2010·Granted Dec 2, 2014·4 cites·53 claims
- 3077US8229499B2Enhancements for multi-mode system selection (MMSS) and MMSS system priority lists (MSPLS)YOON YOUNG CHEUL·Filed 2010·Granted Jul 24, 2012·4 cites·37 claims
- 3177US7742452B2System and method for dynamic preamble assignmentMOTOROLA INC·Filed 2007·Granted Jun 22, 2010·6 cites·15 claims
- 3275US9609552B2Apparatus and method for improving device handover during a callQUALCOMM INC·Filed 2013·Granted Mar 28, 2017·3 cites·48 claims
- 3375US9459879B2Systems and methods for thermal mitigation with multiple processorsQUALCOMM INC·Filed 2013·Granted Oct 4, 2016·4 cites·50 claims
- 3475US8903390B2Provisioning single-mode and multimode system selection parameters and service managementYOON YOUNG CHEUL·Filed 2010·Granted Dec 2, 2014·4 cites·55 claims
- 3575US8068428B2System and method for performing topology control in a wireless networkSTRUTT GUENAEL T·Filed 2005·Granted Nov 29, 2011·6 cites·22 claims
- 3674US9220036B2System, apparatus, and method for circuit switched fallback reliability in wireless communication systemsRAMACHANDRAN SHYAMAL·Filed 2011·Granted Dec 22, 2015·3 cites·32 claims
- 3774US7787382B2Method for calculating service redundancy of a wireless networkMOTOROLA INC·Filed 2007·Granted Aug 31, 2010·5 cites·13 claims
- 3872US9603182B2Establishing reliable always-on packet data network connectionsQUALCOMM INC·Filed 2014·Granted Mar 21, 2017·2 cites·33 claims
- 3972US9370043B2Voice/data hybrid modeQUALCOMM INC·Filed 2013·Granted Jun 14, 2016·2 cites·18 claims
- 4071US11166202B2Voice fallback in 5G NRQUALCOMM INC·Filed 2021·Granted Nov 2, 2021·0 cites·30 claims
- 4171US9445321B2Connected mode mobility between radio access networksQUALCOMM INC·Filed 2013·Granted Sep 13, 2016·2 cites·52 claims
- 4271US8855636B2Methods and apparatus for system selection in a multimode wireless deviceBALASUBRAMANIAN SRINIVASAN·Filed 2009·Granted Oct 7, 2014·4 cites·44 claims
- 4369US11516709B2Voice fallback in 5G NRQUALCOMM INC·Filed 2020·Granted Nov 29, 2022·0 cites·30 claims
- 4469US9743330B2Methods and apparatus for reducing handover signaling during wireless communication proceduresQUALCOMM INC·Filed 2015·Granted Aug 22, 2017·2 cites·30 claims
- 4568US10616123B2Apparatus and method for adaptive de-jitter bufferQUALCOMM INC·Filed 2017·Granted Apr 7, 2020·1 cites·30 claims
- 4668US7830842B2System and method for determining the mobility of nodes in a wireless communication networkMESHNETWORKS INC·Filed 2005·Granted Nov 9, 2010·3 cites·20 claims
- 4767US9179358B2Techniques for reducing network congestion in a wireless communications systemQUALCOMM INC·Filed 2013·Granted Nov 3, 2015·2 cites·30 claims
- 4866US9344947B2Method and apparatus for QoS context transfer during inter radio access technology handover in a wireless communication systemQUALCOMM INC·Filed 2014·Granted May 17, 2016·1 cites·16 claims
- 4965US9578554B2Methods and apparatus for improving a call fallback user experienceUMATT BHUPESH MANOHARLAL·Filed 2012·Granted Feb 21, 2017·2 cites·52 claims
- 5065US8868087B2Radio access technology interworkingCHERIAN GEORGE·Filed 2009·Granted Oct 21, 2014·2 cites·26 claims
Showing the top 50 of 100 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →