Inventor
Madhavan Srinivasan Vajapeyam
Inventor
San Diego, CA, US
Overview
Patents· 163 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks45%
H04LTransmission of digital information, e.g. telegraphic communication31%
H04BTransmission9%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use7%
H04JMultiplex communication6%
H04HBroadcast communication1%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications1%
PatentTitleYear
11,082,947Enhanced paging procedures for machine type communications (MTC)202111,076,361Power control management in uplink (UL) coordinated multipoint (CoMP) transmission202111,057,175Synchronization signals for narrowband operation202111,051,193Configurable measurement gap and window for machine type communications202111,019,656Random access procedures under coverage limitations202110,986,666Random access procedure enhancements for heterogeneous networks202110,959,226Transmission preemption for enhanced component carriers202110,939,454Prioritizing colliding transmissions in LTE and ultra-low latency LTE communications202110,917,880Techniques for allocating time and frequency resources to an uplink channel to carry uplink control information used for narrowband communication202110,893,520Downlink and synchronization techniques for narrowband wireless communications202110,869,241Dual link handover202010,849,125Joint control for enhanced carrier aggregation202010,841,941Enhanced carrier aggregation activation and scheduling request procedures202010,834,651Techniques for managing handovers in an unlicensed radio frequency spectrum band202010,834,630Methods and apparatus for secure connectionless uplink small data transmission202010,833,826Synchronization signals for narrowband operation202010,827,485Narrowband dependent subframe availability for MTC202010,820,252RRM measurement and reporting for license assisted access202010,805,855Cell selection procedures for machine type communication devices202010,772,021Low latency and/or enhanced component carrier discovery for services and handover202010,772,092Mixed numerology OFDM design202010,764,912Scheduling request modes for enhanced component carriers202010,727,983Variable length transmission time intervals (TTI)202010,721,770Physical layer procedures for LTE in unlicensed spectrum202010,721,727DRX for narrowband transmissions202010,721,720Cell On-Off procedure for dual connectivity202010,708,906Mixed numerology OFDM design202010,708,903DRX for narrowband transmissions202010,701,729Protected CET transmission and reception202010,701,692Techniques for managing uplink transmissions in a shared radio frequency spectrum band and a dedicated radio frequency spectrum band202010,701,699Uplink transmit power allocation and power headroom reporting by a user equipment in a multi-connectivity environment202010,681,766Procedures for managing secondary eNB (SeNB) radio link failure (S-RLF) in dual connectivity scenarios202010,674,453Power control management in uplink (UL) coordinated multipoint (CoMP) transmission202010,674,407Adaptive resource negotiation between base stations for enhanced interference coordination202010,652,879Semi-persistent scheduling for transmissions202010,652,768Control channel based broadcast messaging202010,631,330Random access procedures under coverage limitations202010,616,878Semi-persistent scheduling for transmissions202010,616,865Techniques for reporting radio resource management (RRM) measurements for a shared radio frequency spectrum band202010,609,663Techniques for reporting timing differences in multiple connectivity wireless communications202010,609,619Cell selection procedures for machine type communication devices202010,601,561Techniques for transmitting and receiving synchronization signals over an unlicensed radio frequency spectrum band202010,602,488HARQ and control channel timing for enhanced machine type communications (EMTC)202010,581,569Techniques for transmitting and receiving synchronization signals over an unlicensed radio frequency spectrum band202010,582,409RRM based on signal strength measurements in LTE over unlicensed spectrum202010,554,341Group acknowledgement/negative acknowledgement and triggering GACK/channel state information202010,555,345Random access procedure and broadcast prioritization for machine type communications (MTC)202010,548,130Techniques for managing uplink transmissions in a shared radio frequency spectrum band and a dedicated radio frequency spectrum band202010,531,514Techniques for paging in extended discontinuous reception202010,531,427Enhanced system access for E-UTRAN202010,524,108D2D communication for eMTC design considerations201910,511,427Uplink control channel for acknowledging increased number of downlink component carriers201910,498,494Group acknowledgement/negative acknowledgement and triggering GACK/channel state information201910,499,394Transmission preemption for enhanced component carriers201910,492,167Enhanced system access for E-UTRAN201910,485,020Techniques for uplink transmission management201910,477,573Techniques for uplink transmission management201910,462,713Techniques for handover procedure management201910,462,758Timing alignment procedures for dual PUCCH201910,455,544Enhanced paging procedures for machine type communications (MTC)201910,440,771Conditional HARQ feedback201910,440,661RAN procedures for extended discontinuous reception (DRX)201910,433,330Enhanced carrier aggregation activation and scheduling request procedures201910,412,690Power headroom reporting for low cost machine type communication201910,397,754Packet data convergence protocol reordering with enhanced component carriers201910,355,828Fast radio link control error recovery with low latency transmissions201910,334,465RRM based on signal strength measurements in LTE over unlicensed spectrum201910,334,447Discontinuous reception procedures with enhanced component carriers201910,327,232Techniques for allocating time and frequency resources to an uplink channel to carry uplink control information used for narrowband communication201910,321,447Determining a DRX configuration parameter based in part on an M-PDCCH parameter201910,320,550CQI estimation in a wireless communication network201910,313,916Selected IP flow ultra low latency201910,306,695Procedures for managing secondary eNB (SeNB) radio link failure (S-RLF) in dual connectivity scenarios201910,306,657Techniques for managing wireless communications over multiple carriers201910,299,244Small data transmission in a wireless communications system201910,292,167Buffer status reporting and logical channel prioritization in multiflow operation201910,284,311RSRP and path loss measurements with coverage enhancements201910,285,114Techniques for broadcasting service discovery information201910,285,117Techniques for coexistence between enhanced component carrier communications and non-enhanced component carrier communications201910,263,737Techniques for managing transmissions of uplink data over an unlicensed radio frequency spectrum band201910,256,955Synchronization signals for narrowband operation201910,244,444Dual link handover201910,231,165RRM measurement and reporting for license assisted access201910,225,055Network identification based on discovery reference signals in wireless communications201910,225,859Techniques for uplink transmission management201910,219,292Flexible multiplexing and feedback for variable transmission time intervals201910,212,636Techniques for managing handovers in an unlicensed radio frequency spectrum band201910,201,016Techniques for cell access using an unlicensed radio frequency spectrum band201910,200,977System information block channel design for enhanced machine type communication with coverage enhancements201910,172,157PUCCH management for enhanced carrier aggregation201910,165,605Discontinuous receive for contention-based radio access technologies201810,153,875Traffic data allocations in low latency LTE downlink communications201810,149,293Transmission preemption for enhanced component carriers201810,148,392Group acknowledgement/negative acknowledgement and triggering GACK/channel state information201810,149,197Methods and apparatus for secure connectionless uplink small data transmission201810,129,851Low cost paging201810,123,348Enhanced carrier aggregation activation and scheduling request procedures201810,123,301Techniques for transmitting and receiving paging messages over an unlicensed radio frequency spectrum band201810,117,152Cell selection procedures for machine type communication devices201810,110,405System and method for narrowband uplink single tone transmissions201810,085,265Uplink transmit power allocation and power headroom reporting by a user equipment in a multi-connectivity environment201810,085,300Connected mode extended discontinuous reception201810,080,244Random access channel design for narrowband wireless communication201810,057,815Physical broadcast channel repetition for evolved machine type communication201810,045,332UE autonomous radio resource configuration extension201810,045,394Techniques for paging in extended discontinuous reception201810,028,329System information change notification for extended discontinuous reception201810,009,925Physical layer procedures for LTE in unlicensed spectrum201810,009,926Methods and apparatus for connectionless access20189,999,039Semi-persistent scheduling for enhanced machine type communications20189,961,718Discontinuous reception in LTE/LTE-A networks including contention-based frequency spectrum20189,900,843'Uplink power control techniques for ultra low latency in LTE devices'20189,894,637'Low cost paging'20189,872,313'Contention based uplink transmissions for latency reduction'20189,860,897'Techniques for transmitting uplink control information for a component carrier'20189,820,184'Methods and apparatus for secure connectionless uplink small data transmission'20179,819,467'Communicating feedback in listen-before-talk (LBT) wireless networks'20179,807,779'Techniques for managing wireless communications over multiple carriers'20179,801,189'Resource partitioning information for enhanced interference coordination'20179,788,327'Methods and apparatus for reducing interference in a heterogeneous network'20179,787,443'Techniques for managing transmissions of uplink data over an unlicensed radio frequency spectrum band'20179,769,789'Techniques for transmitting and receiving paging messages over an unlicensed radio frequency spectrum band'20179,769,817'Linked narrowband operation for MTC'20179,763,172'Idle-mode enhancements for extended idle discontinuous reception (EI-DRX)'20179,749,970'Power control and power headroom for component carrier'20179,750,048'Feedback signal management for low latency wireless communications'20179,730,164'Power control management in uplink (UL) coordinated multipoint (CoMP) transmission'20179,723,651'Enhanced connection management for multiple access networks'20179,722,731'Techniques for aggregating data from WWAN and WLAN'20179,642,157'Methods and apparatus for efficient support of variable bit rate voice traffic on long term evolution uplink'20179,629,094'Techniques for prioritizing transmissions in multiple connectivity wireless communications'20179,629,123'Systems and methods for enhancing uplink coverage in interference scenarios'20179,615,336'Uplink power headroom management for connectivity with logically separate cells'20179,608,774'Opportunistic HARQ repetition for coverage enhancement'20179,585,048'Techniques for aggregating data from WWAN and WLAN'20179,538,439'Method and apparatus for estimating an achievable link throughput based on assistance information'20179,444,586'TTI-bundling and SPS operation in LTE TDD'20169,414,430'Techniques for managing radio link failure recovery for a user equipment connected to a WWAN and a WLAN'20169,392,608'Resource partitioning information for enhanced interference coordination'20169,363,038'Evolved node B channel quality indicator (CQI) processing for heterogeneous networks'20169,356,725'Method and apparatus for managing inter-cell interference coordination actions for time-domain partitioned cells'20169,337,962'Continuous mode operation for wireless communications systems'20169,332,510'Apparatus and method for controlling inter-cell interference between femtocells and macrocells'20169,288,004'Semi-persistent scheduling grants in heterogeneous networks'20169,264,930'Buffer status reporting and logical channel prioritization in multiflow operation'20169,226,288'Method and apparatus for supporting communications in a heterogeneous network'20159,198,073'Channel quality reporting for different types of subframes'20159,173,209'Subframe configuration management in LTE HetNets with time domain EICIC and VoIP'20159,144,071'Methods and apparatus for effective allocation of adaptive resource partitioning information (ARPI) to pico enhanced node B by macro enhanced node B in heterogeneous network'20159,049,730'Uplink data transmission with interference mitigation'20159,036,594'Systems and methods for enhancing uplink coverage in interference scenarios'20159,008,676'Resource utilization measurements for heterogeneous networks'20158,886,250'Channel quality reporting for different types of subframes'20148,868,091'Methods and apparatus for facilitating inter-cell interference coordination via over the air load indicator and relative narrowband transmit power'20148,798,547'Noise padding techniques in heterogeneous networks'20148,774,092'Enhancing uplink coverage in interference scenarios'20148,761,097'Systems and methods for enhancing uplink coverage in interference scenerios'20148,666,398'Random access procedure enhancements for heterogeneous networks'20148,634,364'Semi-persistent scheduling grants in heterogeneous networks'20148,611,295'Adaptive resource partitioning information (ARPI) transition behavior in heterogeneous networks'20138,559,325'Systems and methods for over the air load indicator for wireless scheduling'20138,515,427'Resource utilization measurements for heterogeneous networks'20138,489,100'Uplink power control in long term evolution networks'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2021Patents assigned to QUALCOMM INC (158)· patent assignee history
2013–2016Patents assigned to VAJAPEYAM MADHAVAN SRINIVASAN (16)· patent assignee history
2013–2016Patents assigned to DAMNJANOVIC ALEKSANDAR (13)· patent assignee history
2013–2016Patents assigned to JI TINGFANG (11)· patent assignee history
2013–2016Patents assigned to SONG OSOK (7)· patent assignee history
2013–2021Based in San Diego, CA, US· patent location history
2016Based in San Bernardino, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| QUALCOMM INC | 158 | 2013–2021 |
| VAJAPEYAM MADHAVAN SRINIVASANself | 16 | 2013–2016 |
| DAMNJANOVIC ALEKSANDAR | 13 | 2013–2016 |
| JI TINGFANG | 11 | 2013–2016 |
| SONG OSOK | 7 | 2013–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Diego, California, US | 162 | 2013–2021 |
| San Bernardino, California, US | 1 | 2016 |