LexDanaLexDanabeta
Inventor

Pei-Kai Liao

Inventor
Nantou County, TW

Overview

80→
Patents
2012–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 80 as inventor

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

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication40%
H04WWireless communication networks37%
H04JMultiplex communication9%
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 use3%
B81BMicrostructural devices or systems, e.g. micromechanical devices1%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems1%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications1%
PatentTitleYear
11,130,671MEMS device and fabrication method thereof202110,869,268NR power saving enhancements202010,863,512Power control signaling for multiuser superpostion transmission202010,841,825Methods and apparatus for RRM measurement and reporting mechanism202010,812,968Flexible signaling of capability of UE processing time in wireless communications202010,785,769Physical downlink control channel design for 5G new radio202010,764,892Efficient wide bandwidth operation and efficient UE-specific RF bandwidth adaptation202010,757,581Physical downlink control channel design for NR systems202010,736,101Flexible frame structure for OFDM systems202010,716,127Uplink channel information feedback timing signaling in wireless communications202010,681,623Methods and apparatus for cell access via anchor carrier202010,666,397Method and apparatus for control signaling202010,645,641Group common PDCCH design in NR202010,644,840Methods of efficient HARQ operation for low latency and high performance services202010,594,468Efficient bandwidth adaptation for a wideband carrier202010,595,326Methods of efficient downlink control information transmission202010,555,314Signaling of network-assisted intra-cell interference cancellation and suppression202010,523,392Downlink reference signals for radio resource management (RRM) measurement201910,505,803Power-efficient operation for wider bandwidth201910,484,986Methods of two-stage scheduling in downlink control channel201910,454,652Methods of enabling multiuser superposition transmission201910,440,703Physical downlink control channel design for 5G new radio201910,405,355LTE RACH procedure enhancement201910,397,795Frame structure and data mapping for license assisted access201910,349,420Method and apparatus for network scheduling201910,348,431Methods of discovery and measurements for small cells in OFDM/OFDMA systems201910,257,013Signal modulation and demodulation for multiuser superposition transmission scheme201910,251,067Methods of beacon transmission for measurements in opportunistic spectrum access201910,231,228Methods of two-stage scheduling in downlink control channel201910,206,176Efficient coding switching and modem resource utilization in wireless communication systems201910,142,138Apparatuses and methods for optimizing usage of a single interference cancellation and suppression receiver201810,104,674Rate assignment with rate splitting for interference cancellation friendly new air interface201810,104,691Methods of listen-before-talk mechanism for opportunistic spectrum access201810,050,683Signal modulation and demodulation for multiuser superposition transmission scheme201810,051,662Methods of listen-before-talk mechanism for opportunistic spectrum access201810,045,351Systems and methods for different TDD configurations in carrier aggregation20189,985,700Channel state feedback enhancement in downlink multiuser superposition transmission20189,979,522Multiplexing DRS within a transmission burst for opportunistic spectrum access20189,967,880Method and apparatus of data transmission over guard sub-carriers in multi-carrier OFDM systems20189,936,518Method for transport block transmission and blind reception20189,936,485Method and apparatus of obtaining scheduling information of a data channel20189,883,526'Physical structure and reference signal utilization of enhanced physical downlink control channel for OFDM/OFDMA systems'20189,813,124'Methods for codeword level interference cancellation with network assistance'20179,750,046'Methods and apparatus of obtaining scheduling information of data channel'20179,749,075'Methods of discovery and measurements for small cells in OFDM/OFDMA systems'20179,681,436'Method for search space configuration of enhanced physical downlink control channel'20179,661,682'Methods for multi-point carrier aggregation configuration and data forwarding'20179,622,288'Methods for multi-point carrier aggregation configuration and data forwarding'20179,559,797'Methods of discovery and measurements for small cells in OFDM/OFDMA systems'20179,467,959'Method of maintaining multiple timing advance'20169,445,409'Method for search space configuration of enhanced physical downlink control channel'20169,277,548'Physical structure and reference signal utilization of enhanced physical downlink control channel for OFDM/OFDMA systems'20169,258,809'Methods for multi-point carrier aggregation configuration and data forwarding'20169,247,557'Priority rules of periodic CSI reporting in carrier aggregation'20169,137,804'Systems and methods for different TDD configurations in carrier aggregation'20159,125,197'Methods for physical layer multi-point carrier aggregation and multi-point feedback configuration'20159,106,357'Physical structure and sequence design of midamble in OFDMA systems'20158,964,658'Methods of contention-based transmission'20158,891,350'Method and apparatus of data transmission over guard sub-carriers in multi-carrier OFDM systems'20148,873,489'Signaling methods for UE-specific dynamic downlink scheduler in OFDMA systems'20148,861,430'Methods of point association for cooperative multiple point transmission'20148,855,044'Two-step uplink synchronization for pico/femtocell'20148,817,647'Priority rules of periodic CSI reporting in carrier aggregation'20148,811,300'Physical structure and sequence design of midamble in OFDMA systems'20148,799,735'Channel interleaver having a constellation-based unit-wise permuation module'20148,737,299'Resource allocation of uplink HARQ feedback channel for carrier aggregation in OFDMA systems'20148,724,718'Pilot pattern design for small size resource block in OFDMA systems'20148,724,717'Pilot pattern design for high-rank MIMO OFDMA systems'20148,665,695'Methods for transceiving data in multi-band orthogonal frequency division multiple access communications system and communications apparatuses utilizing the same'20148,660,107'Uplink HARQ feedback channel design for carrier aggregation in OFDMA systems'20148,619,673'Preamble partition and cell identification procedure in wireless communication systems'20138,576,786'Synchronization channel for advanced wireless OFDM/OFDMA systems'20138,548,082'Contention-based access channel design in MIMO OFDM/OFDMA systems'20138,526,413'Concatenating precoder selection for OFDMA-based multi-BS MIMO'20138,503,420'Physical structure and design of sounding channel in OFDMA systems'20138,468,396'Channel interleaver having a constellation-based block-wise permuation module'20138,374,139'Low latency synchronization scheme for wireless OFDMA systems'20138,345,623'Unified synchronous ranging channel design and allocation in wireless OFDMA systems'20138,345,659'Unified synchronous ranging channel structure and ranging code generation and detection in wireless OFDMA systems'20138,259,828'Sub-carrier alignment mechanism for OFDM multi-carrier systems'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2020Patents assigned to MEDIATEK INC (69)· patent assignee history
2012–2017Patents assigned to LIAO PEI-KAI (26)· patent assignee history
2012–2020Based in Mingjian Xiang, TW· patent location history
2013–2016Patents assigned to CHEN YIH-SHEN (11)· patent assignee history
2013–2015Patents assigned to LIN CHIH-YUAN (10)· patent assignee history
2013–2020Based in Nantou County, TW· patent location history
2018–2020Patents assigned to HFI INNOVATION INC (8)· patent assignee history
2019–2020Based in Hsinchu, TW· patent location history
2021Based in Wuhan, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MEDIATEK INC692012–2020
LIAO PEI-KAIself262012–2017
CHEN YIH-SHEN112013–2016
LIN CHIH-YUAN102013–2015
HFI INNOVATION INC82018–2020
Locations
LocationPatentsSpan
Nantou County, TW512013–2020
Hsinchu, TW142019–2020
Mingjian Xiang, TW142012–2020
Wuhan, CN12021