Inventor
DRAVIDA SUBRAHMANYAM
US54 patents
⚠️ This page may combine multiple inventors who share the name “DRAVIDA SUBRAHMANYAM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LUCENT TECHNOLOGIES INC
24 patentsUS6747961B1Jun 8, 2004
Mobility management for a multimedia mobile network
LUCENT TECHNOLOGIES INC135 citations99
US6256300B1Jul 3, 2001
Mobility management for a multimedia mobile network
LUCENT TECHNOLOGIES INC406 citations99
US6160804ADec 12, 2000
Mobility management for a multimedia mobile network
LUCENT TECHNOLOGIES INC281 citations99
US6947398B1Sep 20, 2005
Addressing scheme for a multimedia mobile network
LUCENT TECHNOLOGIES INC98 citations98
US6055242AApr 25, 2000
Method and apparatus enabling synchronous transfer mode, variable length and packet mode access for multiple services over a broadband communication network
LUCENT TECHNOLOGIES INC221 citations98
US6041051AMar 21, 2000
Method and apparatus enabling multiple access for multiple services and multiple transmission modes over a broadband communication network utilizing an adaptive digital access protocol
LUCENT TECHNOLOGIES INC167 citations98
US6021113AFeb 1, 2000
Distributed precomputation of network signal paths with table-based link capacity control
LUCENT TECHNOLOGIES INC90 citations98
US5936965AAug 10, 1999
Method and apparatus for transmission of asynchronous, synchronous, and variable length mode protocols multiplexed over a common bytestream
LUCENT TECHNOLOGIES INC117 citations98
US6975611B1Dec 13, 2005
Method and device for MAC layer feedback in a packet communication system
LUCENT TECHNOLOGIES INC70 citations97
US6349138B1Feb 19, 2002
Method and apparatus for digital transmission incorporating scrambling and forward error correction while preventing bit error spreading associated with descrambling
LUCENT TECHNOLOGIES INC151 citations97
US6240463B1May 29, 2001
Router placement methods and apparatus for designing IP networks with performance guarantees
LUCENT TECHNOLOGIES INC179 citations97
US5729536AMar 17, 1998
Cellular system architectures supporting data services
LUCENT TECHNOLOGIES INC113 citations97
US5633868AMay 27, 1997
Virtual circuit management in cellular telecommunications
LUCENT TECHNOLOGIES INC297 citations97
US6909700B1Jun 21, 2005
Network topology optimization methods and apparatus for designing IP networks with performance guarantees
LUCENT TECHNOLOGIES INC102 citations96
US6795399B1Sep 21, 2004
Link capacity computation methods and apparatus for designing IP networks with performance guarantees
LUCENT TECHNOLOGIES INC129 citations96
US6205117B1Mar 20, 2001
Distributed precomputation of network signal paths with table-based link capacity control
LUCENT TECHNOLOGIES INC61 citations96
US6151304ANov 21, 2000
Distributed precomputation of network signal paths with improved performance through parallelization
LUCENT TECHNOLOGIES INC57 citations96
US6130875AOct 10, 2000
Hybrid centralized/distributed precomputation of network signal paths
LUCENT TECHNOLOGIES INC77 citations96
US6073248AJun 6, 2000
Distributed precomputation of signal paths in an optical network
LUCENT TECHNOLOGIES INC56 citations96
US5936967AAug 10, 1999
Multi-channel broadband adaptation processing
LUCENT TECHNOLOGIES INC78 citations94
US6215763B1Apr 10, 2001
Multi-phase process for distributed precomputation of network signal paths
LUCENT TECHNOLOGIES INC53 citations92
US5953339ASep 14, 1999
Logical link connection server
LUCENT TECHNOLOGIES INC42 citations91
US5606552AFeb 25, 1997
Broadband adaptation processing
LUCENT TECHNOLOGIES INC19 citations91
US6195780B1Feb 27, 2001
Method and apparatus for generating cyclical redundancy code
LUCENT TECHNOLOGIES INC48 citations89
AT & T BELL LAB
7 patentsUS5253248AOct 12, 1993
Congestion control for connectionless traffic in data networks via alternate routing
AT & T BELL LAB259 citations98
US5291481AMar 1, 1994
Congestion control for high speed packet networks
AT & T BELL LAB222 citations97
US5222061AJun 22, 1993
Data services retransmission procedure
AT & T BELL LAB141 citations97
US5131012AJul 14, 1992
Synchronization for cylic redundancy check based, broadband communications network
AT & T BELL LAB80 citations96
US4979174ADec 18, 1990
Error correction and detection apparatus and method
AT & T BELL LAB94 citations95
US5282214AJan 25, 1994
Apparatus and method for parallel generation of cyclic redundancy check (CRC) codes
AT & T BELL LAB25 citations93
US5251215AOct 5, 1993
Modifying check codes in data packet transmission
AT & T BELL LAB37 citations90
DRAVIDA SUBRAHMANYAM
5 patentsUS8139593B2Mar 20, 2012
Memory management for high speed media access control
DRAVIDA SUBRAHMANYAM25 citations92
US8126477B2Feb 28, 2012
Methods and devices for interworking of wireless wide area networks and wireless local area networks or wireless personal area networks
DRAVIDA SUBRAHMANYAM35 citations92
US8311543B2Nov 13, 2012
Methods and devices for interworking of wireless wide area networks and wireless local area networks or wireless personal area networks
DRAVIDA SUBRAHMANYAM17 citations84
US8626172B2Jan 7, 2014
Method and apparatus for simultaneous communication utilizing multiple wireless communication systems
DRAVIDA SUBRAHMANYAM5 citations73
US8169980B2May 1, 2012
Methods and apparatuses for interworking
DRAVIDA SUBRAHMANYAM4 citations62
QUALCOMM INC
4 patentsUS7603141B2Oct 13, 2009
Multi-antenna station with distributed antennas
QUALCOMM INC75 citations98
US8364148B2Jan 29, 2013
Methods and devices for interworking of wireless wide area networks and wireless local area networks or wireless personal area networks
QUALCOMM INC36 citations94
US8942133B2Jan 27, 2015
Peer-to-peer communication in ad hoc wireless network
QUALCOMM INC6 citations84
US8942130B2Jan 27, 2015
Peer-to-peer communication in ad hoc wireless network
QUALCOMM INC5 citations84
NARAD NETWORKS INC
4 patentsUS7146630B2Dec 5, 2006
Broadband system with intelligent network devices
NARAD NETWORKS INC74 citations96
US7072360B2Jul 4, 2006
Network architecture for intelligent network elements
NARAD NETWORKS INC52 citations94
US6948000B2Sep 20, 2005
System and method for mapping end user identifiers to access device identifiers
NARAD NETWORKS INC44 citations93
US7139247B2Nov 21, 2006
Broadband system with topology discovery
NARAD NETWORKS INC41 citations87
AT & T CORP
2 patentsKUMAR RAVI
1 patentAGERE SYST GUARDIAN CORP
1 patentCIENA CORP
1 patentALCATEL LUCENT USA INC
1 patentShowing the top 50 of 54 patents by PatentIndex Score.