LexDanaLexDanabeta
Inventor

Shyamal Ramachandran

Inventor
San Diego, CA, US

Overview

65→
Patents
2009–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 65 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Wprimary
H04WWireless communication networks59%
H04LTransmission of digital information, e.g. telegraphic communication17%
H04BTransmission6%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use5%
H04JMultiplex communication4%
G06FElectric digital data processing3%
H04MTelephonic communication3%
G01SRadio direction-finding1%
G10LSpeech analysis techniques or speech synthesis1%
H04QSelecting1%
PatentTitleYear
11,122,480Multimedia session continuity and domain selection based on user equipment learning and history202110,750,381Low latency operation202010,728,870Methods and systems for avoiding transitions between radio access technologies when packet data networks are inaccessible202010,616,123Apparatus and method for adaptive de-jitter buffer202010,475,456Smart coding mode switching in audio rate adaptation20199,924,402'Method and apparatus for QoS context transfer during inter radio access technology handover in a wireless communication system'20189,883,477'Method and apparatus for reducing successive pre-registration attempts by access terminals'20189,743,330'Methods and apparatus for reducing handover signaling during wireless communication procedures'20179,698,927'Methods and apparatus for employing different capabilities for different duplexing modes'20179,699,718'System, apparatus, and method to enable domain selection in a multimode device'20179,615,401'Methods and apparatus for updating a device configuration'20179,609,552'Apparatus and method for improving device handover during a call'20179,603,182'Establishing reliable always-on packet data network connections'20179,578,554'Methods and apparatus for improving a call fallback user experience'20179,459,879'Systems and methods for thermal mitigation with multiple processors'20169,456,337'Apparatus and method for signaling network capabilities for a wireless device'20169,451,641'Methods and apparatus for improving data service availability'20169,445,321'Connected mode mobility between radio access networks'20169,408,052'Techniques for power conservation in emergency broadcast message reception'20169,398,501'Techniques for resolving conflicting rules in measuring cells for reselection'20169,392,514'Methods and apparatus for managing mobility in a multi-radio device'20169,386,621'System and method of improving circuit-switched fallback performance'20169,370,043'Voice/data hybrid mode'20169,363,844'Enhance performance of making an emergency call during radio link failure over radio access technology'20169,344,947'Method and apparatus for QoS context transfer during inter radio access technology handover in a wireless communication system'20169,313,711'Enhanced out-of-service scan and system selection for dual-subscription, dual-active devices'20169,264,198'Methods and apparatus for employing different capabilities for different duplexing modes'20169,264,945'Systems and methods for improving circuit switched fallback performance'20169,241,302'Methods and apparatus for radio access technology search'20169,220,036'System, apparatus, and method for circuit switched fallback reliability in wireless communication systems'20159,179,358'Techniques for reducing network congestion in a wireless communications system'20159,131,416'Methods and apparatus for managing mobility in a multi-radio device'20159,131,418'Reading and caching of system information to reduce call setup delay'20159,119,119'1×RTT and HRPD neighbor list support over LTE'20159,094,943'Network and mobile device initiated quality of service'20159,066,309'Method and apparatus for reducing successive pre-registration attempts by access terminals'20159,026,112'Transitioning of mobile devices within a wireless communication network between multiple radio access technologies'20159,001,784'Handover of multimode user equipment between radio access technologies for reduced call setup time'20158,989,742'Methods and apparatus for inter-rat cell reselection'20158,934,331'Circuit switched fallback procedure'20158,934,336'System and method for preserving session context during inter-radio access technology service retry'20158,908,636'Method and apparatus for QoS context transfer during inter radio access technology handover in a wireless communication system'20148,903,390'Provisioning single-mode and multimode system selection parameters and service management'20148,903,382'Method and apparatus for multi-mode system selection'20148,868,087'Radio access technology interworking'20148,855,636'Methods and apparatus for system selection in a multimode wireless device'20148,812,034'Methods and apparatuses for management of SMS message identifications in a multi-mode device'20148,787,172'Method and apparatus for QoS context transfer during inter radio access technology handover in a wireless communication system'20148,787,350'System and method to facilitate the use of multiple radios to increase the capacity of a wireless communication network'20148,730,912'Determining a non-access stratum message count in handover'20148,478,269'Method and apparatus to enable a UE to return to a wireless network after failure to obtain service'20138,374,174'Method and apparatus for operation of a communication device'20138,229,499'Enhancements for multi-mode system selection (MMSS) and MMSS system priority lists (MSPLS)'20128,068,428'System and method for performing topology control in a wireless network'20118,014,346'Method for enabling periodic scanning in wireless communication networks'20118,000,283'Method and apparatus for relay station neighbor discovery'20117,916,704'Method of communication scheduling in a multihop network'20117,830,842'System and method for determining the mobility of nodes in a wireless communication network'20107,787,382'Method for calculating service redundancy of a wireless network'20107,782,835'System and method for multihop packet forwarding'20107,760,702'Automatic repeat request (ARQ) protocol for a multihop cooperative relay communication network'20107,742,448'Optimizing topology learning in a multihop network'20107,742,452'System and method for dynamic preamble assignment'20107,620,003'System and method of operation of a communication network'20097,599,341'System and method for managing communication routing within a wireless multi-hop network'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2011Based in Heathrow, FL, US· patent location history
2009–2014Based in Maitland, FL, US· patent location history
2010–2021Based in San Diego, CA, US· patent location history
2010–2013Based in Lake Mary, FL, US· patent location history
2010Based in Maltland, FL, US· patent location history
2011–2017Patents assigned to RAMACHANDRAN SHYAMAL (29)· patent assignee history
2012–2021Patents assigned to QUALCOMM INC (51)· patent assignee history
2012–2015Patents assigned to BALASUBRAMANIAN SRINIVASAN (10)· patent assignee history
2012–2015Patents assigned to SWAMINATHAN ARVIND (10)· patent assignee history
2013–2017Patents assigned to KLINGENBRUNN THOMAS (19)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
QUALCOMM INC512012–2021
RAMACHANDRAN SHYAMALself292011–2017
KLINGENBRUNN THOMAS192013–2017
BALASUBRAMANIAN SRINIVASAN102012–2015
SWAMINATHAN ARVIND102012–2015
Locations
LocationPatentsSpan
San Diego, California, US522010–2021
Heathrow, Florida, US52009–2011
Lake Mary, Florida, US42010–2013
Maitland, Florida, US32009–2014
Maltland, Florida, US12010