Inventor · disambiguated record
Prabhakar R. Chitrapu
Also filed as: CHITRAPU PRABHAKAR · CHITRAPU PRABHAKAR R
120 granted patents·61 pending applications·1,676 citations·filing 1994–2023
99Inventor score
Files withINTERDIGITAL TECH CORP84INTERDIGITAL PATENT HOLDINGS19INTERDIGITAL PATENT HOLDINGS INC19CHITRAPU PRABHAKAR R5DIALOGIC CORP5
Top patents by PatentIndex Score
181 records- 0199US6771957B2Cognition models for wireless communication systems and method and apparatus for optimal utilization of a radio channel based on cognition model dataINTERDIGITAL TECH CORP·Filed 2002·Granted Aug 3, 2004·267 cites·6 claims
- 0296US12047898B2Method and a wireless device for collecting sensor data from a remote device having a limited range wireless communication capabilityINTERDIGITAL PATENT HOLDINGS INC·Filed 2022·Granted Jul 23, 2024·2 cites·18 claims
- 0396US9526056B2Method and apparatus for offloading backhaul trafficINTERDIGITAL PATENT HOLDINGS INC·Filed 2013·Granted Dec 20, 2016·32 cites·20 claims
- 0496US9130693B2Generation of perfectly secret keys in wireless communication networksREZNIK ALEXANDER·Filed 2012·Granted Sep 8, 2015·45 cites·16 claims
- 0596US7313393B2Cognition models for wireless communication systems and method and apparatus for optimal utilization of a radio channel based on cognition model dataINTERDIGITAL TECH CORP·Filed 2006·Granted Dec 25, 2007·44 cites·22 claims
- 0695US8848640B2Method and apparatus for bandwidth aggregation for IP flowREZNIK ALEXANDER·Filed 2012·Granted Sep 30, 2014·75 cites·24 claims
- 0795US8238551B2Generation of perfectly secret keys in wireless communication networksREZNIK ALEXANDER·Filed 2006·Granted Aug 7, 2012·42 cites·34 claims
- 0895US7782834B2Routing header based routing in internet protocol (IP)-cellular networksINTERDIGITAL TECH CORP·Filed 2006·Granted Aug 24, 2010·43 cites·18 claims
- 0994US9473986B2Methods, systems and apparatus for managing and/or enforcing policies for managing internet protocol (“IP”) traffic among multiple accesses of a networkTOMICI JOHN L·Filed 2012·Granted Oct 18, 2016·23 cites·27 claims
- 1094US7929409B2Orthogonal frequency division multiplexing (OFDM) method and apparatus for protecting and authenticating wirelessly transmitted digital informationINTERDIGITAL TECH CORP·Filed 2005·Granted Apr 19, 2011·35 cites·59 claims
- 1193US8588793B2Bandwidth management for a converged gateway in a hybrid networkTOMICI JOHN L·Filed 2010·Granted Nov 19, 2013·21 cites·20 claims
- 1293US7239874B2Wireless communication method and system with controlled WTRU peer-to-peer communicationsINTERDIGITAL TECH CORP·Filed 2006·Granted Jul 3, 2007·25 cites·13 claims
- 1393US7076246B2Cognition models for wireless communication systems and method and apparatus for optimal utilization of a radio channel based on cognition model dataINTERDIGITAL TECH CORP·Filed 2004·Granted Jul 11, 2006·64 cites·22 claims
- 1493US7016673B2Wireless communication method and system with controlled WTRU peer-to-peer communicationsINTERDIGITAL TECH CORP·Filed 2003·Granted Mar 21, 2006·76 cites·17 claims
- 1591US6894995B2Apparatus and method for performing initial cell search in wireless communication systemsINTERDIGITAL TECH CORP·Filed 2001·Granted May 17, 2005·53 cites·14 claims
- 1690US9198021B2Extended local IP access for a converged gateway in a hybrid networkTOMICI JOHN L·Filed 2010·Granted Nov 24, 2015·15 cites·19 claims
- 1790US8917649B2Method and apparatus for cooperative wireless communicationsSFAR SANA·Filed 2008·Granted Dec 23, 2014·17 cites·10 claims
- 1890US7636842B2System and method for providing variable security level in a wireless communication systemINTERDIGITAL TECH CORP·Filed 2005·Granted Dec 22, 2009·13 cites·38 claims
- 1989US8175014B2Method and apparatus for using a relay to provide physical and hybrid automatic repeat request functionalitiesTERRY STEPHEN E·Filed 2009·Granted May 8, 2012·16 cites·47 claims
- 2089US7657288B2System and method utilizing dynamic beam forming for wireless communication signalsINTERDIGITAL TECH CORP·Filed 2005·Granted Feb 2, 2010·16 cites·9 claims
- 2188US9462630B2Method and a wireless device for collecting sensor data from a remote device having a limited range wireless communication capabilityMURRAY JOSEPH M·Filed 2011·Granted Oct 4, 2016·8 cites·19 claims
- 2288US7415043B2Code division multiple access (CDMA) method and apparatus for protecting and authenticating wirelessly transmitted digital informationINTERDIGITAL TECH CORP·Filed 2005·Granted Aug 19, 2008·14 cites·101 claims
- 2388US6993361B2System and method utilizing dynamic beam forming for wireless communication signalsINTERDIGITAL TECH CORP·Filed 2002·Granted Jan 31, 2006·39 cites·21 claims
- 2487US7944884B2Voice and data communication services using orthogonal sub-channelsINTERDIGITAL PATENT HOLDINGS·Filed 2008·Granted May 17, 2011·13 cites·14 claims
- 2587US6853628B2System for facilitating personal communications with multiple wireless transmit/receive unitsINTERDIGITAL TECH CORP·Filed 2002·Granted Feb 8, 2005·41 cites·15 claims
- 2686US9232416B2Uplink power control for distributed wireless communicationINTERDIGITAL PATENT HOLDINGS·Filed 2014·Granted Jan 5, 2016·4 cites·11 claims
- 2786US8897186B2RLAN wireless telecommunications with radio access network (RAN) gateway and methodsSIGNAL TRUST FOR WIRELESS INNOVATION·Filed 2013·Granted Nov 25, 2014·5 cites·14 claims
- 2885US9313766B2Bandwidth management (BWM) operation with opportunistic networksINTERDIGITAL PATENT HOLDINGS·Filed 2013·Granted Apr 12, 2016·5 cites·18 claims
- 2985US8855313B2System and method for providing variable security level in a wireless communication systemINTERDIGITAL TECH CORP·Filed 2012·Granted Oct 7, 2014·4 cites·19 claims
- 3085US7251488B2Method and system for coordinating services in integrated WLAN-cellular systemsINTERDIGITAL TECH CORP·Filed 2003·Granted Jul 31, 2007·39 cites·21 claims
- 3184US9894556B2Methods, systems and apparatus for managing and/or enforcing policies for managing internet protocol (“IP”) traffic among multiple accesses of a networkINTERDIGITAL PATENT HOLDINGS INC·Filed 2016·Granted Feb 13, 2018·4 cites·28 claims
- 3284US7904723B2Method and apparatus for enhancing security of wireless communicationsINTERDIGITAL TECH CORP·Filed 2005·Granted Mar 8, 2011·10 cites·44 claims
- 3384US7802171B2Wireless communication method and system for bit interleaved coded modulation and iterative decodingINTERDIGITAL TECH CORP·Filed 2006·Granted Sep 21, 2010·12 cites·14 claims
- 3484US7395055B2Mobile wireless presence and situation management system and methodINTERDIGITAL TECH CORP·Filed 2005·Granted Jul 1, 2008·10 cites·14 claims
- 3584US7136389B2Method and system for a low-overhead mobility management protocol in the internet protocol layerINTERDIGITAL TECH CORP·Filed 2002·Granted Nov 14, 2006·30 cites·9 claims
- 3683US10743278B2Method and a wireless device for collecting sensor data from a remote device having a limited range wireless communication capabilityINTERDIGITAL PATENT HOLDINGS INC·Filed 2016·Granted Aug 11, 2020·2 cites·14 claims
- 3783US7987369B2Using watermarking to reduce communication overheadINTERDIGITAL TECH CORP·Filed 2005·Granted Jul 26, 2011·9 cites·13 claims
- 3883US7190808B2Method for watermarking recordings based on atmospheric conditionsINTERDIGITAL TECH CORP·Filed 2005·Granted Mar 13, 2007·15 cites·28 claims
- 3982US9276661B2Method and apparatus for cooperative wireless communicationsINTERDIGITAL TECH CORP·Filed 2014·Granted Mar 1, 2016·3 cites·20 claims
- 4082US8116773B2Method and apparatus for interconnection of personal area networks (PANs)CHITRAPU PRABHAKAR R·Filed 2005·Granted Feb 14, 2012·9 cites·18 claims
- 4182US7231220B2Location based method and system for wireless mobile unit communicationINTERDIGITAL TECH CORP·Filed 2003·Granted Jun 12, 2007·24 cites·23 claims
- 4281US10674409B2System and method for fine grained service management using SDN-NFV networksAT & T IP I LP·Filed 2017·Granted Jun 2, 2020·2 cites·20 claims
- 4381US9591031B2Lawful interception for local selected IP traffic offload and local IP access performed at a non-core gatewayINTERDIGITAL PATENT HOLDINGS INC·Filed 2013·Granted Mar 7, 2017·5 cites·20 claims
- 4481US7532723B2Tokens/keys for wireless communicationsINTERDIGITAL TECH CORP·Filed 2004·Granted May 12, 2009·29 cites·6 claims
- 4580US12464473B2Uplink power control for distributed wireless communicationINTERDIGITAL PATENT HOLDINGS INC·Filed 2023·Granted Nov 4, 2025·0 cites·6 claims
- 4680US8539308B2Method and apparatus for indicating a temporary block flow to which a piggybacked ACK/NACK field is addressedINTERDIGITAL TECH CORP·Filed 2012·Granted Sep 17, 2013·4 cites·12 claims
- 4780US7545780B2Flow-based selective reverse tunneling in wireless local area network (WLAN)-cellular systemsINTERDIGITAL TECH CORP·Filed 2002·Granted Jun 9, 2009·27 cites·4 claims
- 4879US9295089B2Bandwidth management, aggregation and internet protocol flow mobility across multiple-access technologiesCHITRAPU PRABHAKAR·Filed 2011·Granted Mar 22, 2016·8 cites·23 claims
- 4979US8787241B2Method and apparatus for use in cooperative relays using incremental redundancy and distributed spatial multiplexingPINHEIRO ANA LUCIA·Filed 2009·Granted Jul 22, 2014·6 cites·20 claims
- 5079US7505431B2RLAN wireless telecommunication system with RAN IP gateway and methodsINTERDIGITAL TECH CORP·Filed 2002·Granted Mar 17, 2009·25 cites·12 claims
Showing the top 50 of 181 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →