Inventor · disambiguated record
Chandra Sekhar Bontu
Also filed as: BONTU CHANDRA · BONTU CHANDRA S · BONTU CHANDRA SEKHAR
153 granted patents·22 pending applications·1,961 citations·filing 1998–2025
99Inventor score
Files withBLACKBERRY LTD43ERICSSON TELEFON AB L M36NORTEL NETWORKS LTD22BONTU CHANDRA SEKHAR14RESEARCH IN MOTION LTD12
Top patents by PatentIndex Score
175 records- 0198US7899340B1Laser control in a coherent optical receiverCIENA CORP·Filed 2006·Granted Mar 1, 2011·72 cites·30 claims
- 0298US7769305B1High-speed digital signal processing in a coherent optical receiverNORTEL NETWORKS LTD·Filed 2006·Granted Aug 3, 2010·93 cites·31 claims
- 0398US7636525B1Signal acquisition in a coherent optical receiverNORTEL NETWORKS LTD·Filed 2006·Granted Dec 22, 2009·120 cites·34 claims
- 0497US9986559B2TD LTE secondary component carrier in unlicensed bandsBLACKBERRY LTD·Filed 2015·Granted May 29, 2018·13 cites·20 claims
- 0597US9184886B2TD LTE secondary component carrier in unlicensed bandsBONTU CHANDRA SEKHAR·Filed 2012·Granted Nov 10, 2015·26 cites·35 claims
- 0697US8755791B2Method and system for low power downlink transmission in heterogeneous networksBONTU CHANDRA SEKHAR·Filed 2012·Granted Jun 17, 2014·53 cites·26 claims
- 0797US7684712B1Non-linear equalizer in a coherent optical receiverNORTEL NETWORKS LTD·Filed 2006·Granted Mar 23, 2010·59 cites·22 claims
- 0897US7522841B2Efficient data transmission and training of data processing functionsNORTEL NETWORKS LTD·Filed 2006·Granted Apr 21, 2009·46 cites·45 claims
- 0996US11395248B2Small cell demodulation reference signal and initial synchronizationBLACKBERRY LTD·Filed 2020·Granted Jul 19, 2022·3 cites·20 claims
- 1096US9642121B2Methods and apparatus for enabling further enhancements to flexible subframes in LTE heterogeneous networksBLACKBERRY LTD·Filed 2015·Granted May 2, 2017·12 cites·23 claims
- 1196US9332516B2Method and system for signaling in a heterogeneous networkBLANKENSHIP YUFEI WU·Filed 2012·Granted May 3, 2016·22 cites·23 claims
- 1296US7894728B1Sample timing control in an optical receiverCIENA CORP·Filed 2006·Granted Feb 22, 2011·88 cites·7 claims
- 1396US7555227B2Polarization compensation in a coherent optical receiverNORTEL NETWORKS LTD·Filed 2005·Granted Jun 30, 2009·57 cites·38 claims
- 1496US7068623B1Communicating traffic over a wireless channel in a mobile communications systemNORTEL NETWORKS LTD·Filed 2000·Granted Jun 27, 2006·143 cites·27 claims
- 1595US9155077B2Methods and apparatus for enabling further enhancements to flexible subframes in LTE heterogeneous networksBLACKBERRY LTD·Filed 2013·Granted Oct 6, 2015·17 cites·25 claims
- 1695US6839356B2System and method for controlling a wireless packet switched voice callNORTEL NETWORKS LTD·Filed 2001·Granted Jan 4, 2005·305 cites·46 claims
- 1794US8744449B2Mobility parameter adjustment and mobility state estimation in heterogeneous networksSONG YI·Filed 2012·Granted Jun 3, 2014·17 cites·62 claims
- 1894US7627252B2Clock recovery from an optical signal with dispersion impairmentsNORTEL NETWORKS LTD·Filed 2005·Granted Dec 1, 2009·54 cites·54 claims
- 1994US6256486B1Method and apparatus for measuring co-channel interferenceNORTEL NETWORKS LTD·Filed 2000·Granted Jul 3, 2001·78 cites·29 claims
- 2093US9949289B2Methods and apparatus for enabling further L1 enhancements in LTE heterogeneous networksBLACKBERRY LTD·Filed 2016·Granted Apr 17, 2018·6 cites·21 claims
- 2193US9554397B2Identifying a subframe containing information relating to an uplink grantBLACKBERRY LTD·Filed 2014·Granted Jan 24, 2017·12 cites·21 claims
- 2293US9544880B2Methods and apparatus for enabling further L1 enhancements in LTE heterogeneous networksBLACKBERRY LTD·Filed 2013·Granted Jan 10, 2017·11 cites·16 claims
- 2393US7532822B2Clock recovery from an optical signal with polarization impairmentsNORTEL NETWORKS LTD·Filed 2005·Granted May 12, 2009·38 cites·68 claims
- 2492US11832201B2Small cell demodulation reference signal and initial synchronizationMALIKIE INNOVATIONS LTD·Filed 2022·Granted Nov 28, 2023·1 cites·22 claims
- 2592US9521637B2Small cell demodulation reference signal and initial synchronizationBLACKBERRY LTD·Filed 2013·Granted Dec 13, 2016·8 cites·24 claims
- 2692US8755324B2Allocating backhaul resourcesYU YI·Filed 2012·Granted Jun 17, 2014·13 cites·17 claims
- 2791US9986524B2Small cell demodulation reference signal and initial synchornizationBLACKBERRY LTD·Filed 2016·Granted May 29, 2018·4 cites·17 claims
- 2891US9591679B2Initiation of inter-device communication in wireless communication systemsBLACKBERRY LTD·Filed 2012·Granted Mar 7, 2017·12 cites·24 claims
- 2991US8843139B2Method and system for small cell discovery in heterogeneous cellular networksYU YI·Filed 2012·Granted Sep 23, 2014·9 cites·18 claims
- 3090US8964664B2System and method for association and uplink adaptation in a relay networkHU ROSE QINGYANG·Filed 2010·Granted Feb 24, 2015·12 cites·21 claims
- 3189US10694481B2Small cell demodulation reference signal and initial synchronizationBLACKBERRY LTD·Filed 2018·Granted Jun 23, 2020·3 cites·20 claims
- 3289US10159109B2System and method for supporting time-sensitive services in a communication networkERICSSON TELEFON AB L M·Filed 2014·Granted Dec 18, 2018·10 cites·24 claims
- 3389US9100883B2Methods and systems for wireless communication in heterogeneous networksRESEARCH IN MOTION LTD·Filed 2013·Granted Aug 4, 2015·8 cites·27 claims
- 3489US8468412B2Downlink transmissions for type 2 relayCAI ZHIJUN·Filed 2010·Granted Jun 18, 2013·10 cites·43 claims
- 3589US8406192B2Handover mechanisms with synchronous PDCP protocol under various relay architecturesCAI ZHIJUN·Filed 2009·Granted Mar 26, 2013·18 cites·38 claims
- 3688US7126939B2Packet-based calls in a wireless networkNORTEL NETWORKS LTD·Filed 2000·Granted Oct 24, 2006·56 cites·31 claims
- 3787US9699740B2Packet delay optimization in the uplink of a multi-hop cooperative relay-enabled wireless networkBLACKBERRY LTD·Filed 2016·Granted Jul 4, 2017·5 cites·20 claims
- 3887US9622138B2UE measurement procedure in a heterogeneous mobile networkBONTU CHANDRA SEKHAR·Filed 2011·Granted Apr 11, 2017·7 cites·26 claims
- 3987US9301184B2Procedure for formulating a signal to interference plus noise ratioBONTU CHANDRA SEKHAR·Filed 2011·Granted Mar 29, 2016·7 cites·8 claims
- 4087US9036578B2Method and apparatus for control channel configuration in a heterogeneous network architectureRESEARCH IN MOTION LTD·Filed 2012·Granted May 19, 2015·10 cites·20 claims
- 4187US8045525B1Handover data integrity in a wireless data networkNORTEL NETWORKS LTD·Filed 2008·Granted Oct 25, 2011·12 cites·18 claims
- 4286US12219512B2Small cell demodulation reference signal and initial synchronizationMALIKIE INNOVATIONS LTD·Filed 2023·Granted Feb 4, 2025·0 cites·15 claims
- 4386US8964705B2For small cell demodulation reference signal and initial synchronizationRESEARCH IN MOTION LTD·Filed 2013·Granted Feb 24, 2015·7 cites·27 claims
- 4486US8897203B2Physical uplink shared channel demodulation reference signal design for uplink coordinated transmission in type II relay using a punctured demodulation reference signalSONG YI·Filed 2010·Granted Nov 25, 2014·10 cites·30 claims
- 4585US9258745B2Method and system for mobile relay enablementBLACKBERRY LTD·Filed 2012·Granted Feb 9, 2016·7 cites·12 claims
- 4684US10455612B2Methods and apparatus for enabling further L1 enhancements in LTE heterogeneous networksBLACKBERRY LTD·Filed 2018·Granted Oct 22, 2019·2 cites·17 claims
- 4784US9184892B2Device-assisted interference management in heterogeneous wireless cellular systemsNOVAK ROBERT·Filed 2011·Granted Nov 10, 2015·6 cites·19 claims
- 4884US9084264B2Method and apparatus for small cell configuration in a heterogeneous network architectureRESEARCH IN MOTION LTD·Filed 2013·Granted Jul 14, 2015·5 cites·8 claims
- 4984US8917668B1System and method for energy saving in a wireless systemRESEARCH IN MOTION LTD·Filed 2013·Granted Dec 23, 2014·5 cites·60 claims
- 5084US7586949B1Interleaving data over frames communicated in a wireless channelNORTEL NETWORKS LTD·Filed 2000·Granted Sep 8, 2009·23 cites·31 claims
Showing the top 50 of 175 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Chandra Sekhar Bontu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →