Inventor

Leif Wilhelmsson

Inventor

Dalby, SE

Overview

2002–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 171 as inventor

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

H04Wprimary

H04WWireless communication networks35%

H04LTransmission of digital information, e.g. telegraphic communication31%

H04BTransmission14%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use8%

H04JMultiplex communication3%

H03DDemodulation or transference of modulation from one carrier to another2%

H03MCoding2%

H03FAmplifiers1%

H03GControl of amplification1%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications1%

PatentTitleYear

11,076,351Wake-up signal construction2021 11,070,414Communication node and method for generating multicarrier signals by backscattering2021 11,063,797Transmitter, network node, method and computer program2021 11,057,844Technique for performing clear channel assessments in a wireless communication network2021 11,051,249Wake-up signal transmission2021 11,039,484Communications device, an access point and methods therein for accessing a resource unit2021 11,038,571Communication node and method for generating beamformed signals by backscattering2021 11,026,173Wake-up radio2021 11,025,463First network node and a method therein for generation and transmission of a binary phase shift keying (BPSK) signal2021 11,018,808Reception failure indication by legacy message2021 11,012,278Technique for non-sinusoidal radio communication2021 10,998,940Signal strength scaling of an uplink measurement signal and corresponding uplink transmission beam according to an estimated interference level2021 10,998,928Radio receiver, method and computer program2021 10,973,035Scheduling of wireless communication devices2021 10,966,166Preamble power level scaling2021 10,966,075Virtual beacons2021 10,939,372Wake-up signal transmission2021 10,924,207Technique for radio transmission under varying channel conditions2021 10,904,885Methods, network node and wireless communication device for handling of signals in a wireless communication network2021 10,893,473Envelope modulation for concurrent transmission of a wake-up signal and user data2021 10,848,264Transmitting data from a first to second communication device using two different modulation/coding schemes2020 10,834,605Detecting subframe timing in an OFDM licensed-assisted access signal2020 10,826,593Method of placing a node in a wireless communication into a standby mode, as well as the corresponding node2020 10,797,820Method and a first radio communication node for scheduling a data transmission2020 10,797,929Generating an FSK signal comprised in an OFDM signal2020 10,778,260Method and apparatus for energy efficient transmission and reception of a signal using aliasing2020 10,680,859Transmitter and methods therein for transmitting overlaid and underlaid signals2020 10,652,774Prediction of quality of service of a possible future connection of a device to a wireless network2020 10,623,125Resource utilization for uplink transmission based on indicated interference2020 10,575,316Prioritizing radio resources between overlapping wireless access point nodes2020 10,548,091Technique for performing clear channel assessments in a wireless communication network2020 10,542,512Time synchronization of stations2020 10,516,569Configuration of network nodes2019 10,505,665Method for modulation and coding scheme selection and related network nodes and terminal devices2019 10,506,519Mitigation of uplink/downlink assymetry2019 10,492,143Detection and operation of wake-up receivers with limited range2019 10,477,410Channel selection in an unlicensed frequency band2019 10,448,426Enabling time-overlapping communication using CSMA/CA and OFDMA2019 10,432,349Data block transmission with variable retransmission feedback time2019 10,425,972Communications device, an access point and methods therein for accessing a resource unit2019 10,419,093Enabling channel state feedback for multi-user transmission in a wireless communication system2019 10,420,095Data transmission control2019 10,405,345Configuration of cellular network nodes2019 10,375,756Method of controlling operation of a communication device, transceiver operating accordingly, and computer program2019 10,368,369Alternation between communication using CSMA/CA and OFDMA2019 10,342,041Access to a communications channel in a wireless communications network2019 10,326,545Resource utilization for uplink transmission based on indicated interference2019 10,326,570Frequency selective scheduling2019 10,320,597Scheduling of users for multi-user transmission in a wireless communication system2019 10,320,524Transmitting node, a receiving node and methods therein for providing enhanced channel coding2019 10,305,711Methods and devices for modulating and coding data packets2019 10,306,556Access point notification of wireless stations about availability of data2019 10,299,254Control channel for a radio access technology2019 10,271,282Detection and operation of wake-up receivers with limited range2019 10,257,840Operation of wireless local area network in the presence of periodic interference2019 10,225,117Method for communicating data in a wireless communication system2019 10,187,233Multi-modulation receiver, transmitters and methods for handling multi-modulation in wireless communication systems2019 10,159,023Network node, access nodes and method for assisting user equipments to receive signals in wireless communication network2018 10,159,037Cell selection depending on relative speed between terminal and access point2018 10,123,367Methods and apparatuses for connection setup in a wireless communication network2018 10,097,965Method and network node for broadcasting2018 10,091,088Mode selection for a communications session2018 10,075,274Access point, a wireless station and methods therein for multi-user clear to send transmissions2018 10,069,678Configuration of wireless terminals based upon discovery of other wireless terminals in the vicinity using short range communications2018 10,045,357Interference management for network assisted device-to-device communication2018 10,044,388Channel selection filter compensation2018 10,038,578Multi-modulation transmitter, receiver and methods for handling multi-modulation in wireless communication systems2018 10,004,002Method for D2D radiocommunication2018 9,985,816Dual carrier modulation with single carrier reception2018 9,955,514Method for D2D radiocommunication2018 9,954,658Sub-carrier allocation in a wireless communication system using relays2018 9,930,553'Prediction of quality of service of a possible future connection of a device to a wireless network'2018 9,887,896'Hidden node counteraction in a wireless network'2018 9,882,628'Self-interference suppression control for a relay node'2018 9,883,463'User equipment, a network node and methods for device discovery in a device-to-device (D2D) communication in a wireless telecommunications network'2018 9,876,606Transmitting device, receiving device, and methods performed therein2018 9,860,775'Network based determination of whether to add a device to a system using CSMA'2018 9,860,929'User equipment, a network node, and methods for device discovery in device to-device (D2D) communications in a wireless telecommunications network'2018 9,854,620Connection setup between a mobile terminal and a moving base station based on joint movement detection2017 9,838,173Method and apparatus for transmission in a wireless communication network2017 9,814,011'Cluster based communication'2017 9,801,106'Network node, access nodes and method for assisting user equipments to receive signals in wireless communication network'2017 9,756,591'Synchronization in the presence of large initial frequency error'2017 9,730,239'Medium or channel sensing-based scheduling'2017 9,713,166'Soft cell inter-layer interference handling'2017 9,706,589'Network nodes, devices and methods therein for enabling device to device communication'2017 9,686,666'Method and arrangement for handling D2D communication'2017 9,667,274'Method of constructing a parity-check matrix for using message-passing algorithm to decode the repeat-accumulate type of modulation and coding schemes'2017 9,654,443'Local device identity allocation for network assisted device-to-device D2D communication'2017 9,635,703'Method of controlling operation of a communication device, transceiver operating accordingly, and computer program'2017 9,609,570'Method and network node for handling handover'2017 9,603,061'Radio access technology selection'2017 9,603,151'Data transmission scheduling using energy consumption profile of terminal device'2017 9,596,070'Methods and apparatuses for device-to-device communication'2017 9,585,179'Radio link management for network assisted device-to-device communication'2017 9,560,651'Radio resource allocation of unlicensed frequency bands'2017 9,538,546'Processing-time dependent control of data block transmission'2017 9,521,536'Device discovery of second user equipments in a second network for D2D communication'2016 9,516,654'Cellular communication system support for limited bandwidth communication devices'2016 9,461,730'Self-interference suppression control for a relay node'2016 9,432,105'Sub-carrier allocation in a wireless communication system using relays'2016 9,391,823'Methods and receiver for positioning of clock related spurious signals'2016 9,350,313'Automatic gain control of a received signal using a power target'2016 9,344,257'Adaptation of transmission parameters'2016 9,313,823'Method of controlling operation of a communication device, transceiver operating accordingly, and computer program'2016 9,264,156'Technique for calibrating a receiver apparatus'2016 9,210,026'Correction of imbalances in a complex intermediate frequency mixer'2015 9,178,738'Channel estimation in OFDM receiver equipment'2015 9,148,234'Technique and test signal for determining signal path properites'2015 9,143,177'Technique for automatic gain control'2015 9,100,073'Wireless communications system and method'2015 9,094,887'Methods and arrangements for handover during device-to-device communication'2015 9,094,154'Adaptation of transmission format'2015 9,088,468'Double conversion dual-carrier radio frequency receiver'2015 9,020,077'Correction of imbalances in a complex intermediate frequency mixer'2015 8,983,471'Complex intermediate frequency based receiver architecture'2015 8,929,959'Method and a device for receiving data in a mobile communication device in a broadcast system'2015 8,909,267'Energy-efficient detection of network connection requests'2014 8,885,560'Cellular communication system support for limited bandwidth communication devices'2014 8,855,570'Coexistence of plural wireless communication transceivers in close proximity'2014 8,848,638'Cellular communication system support for limited bandwidth communication devices'2014 8,811,241'Coexistence of plural wireless communication transceivers in close proximity'2014 8,768,283'Complex intermediate frequency mixer stage and calibration thereof'2014 8,744,468'Soft cell inter-layer interference handling'2014 8,737,533'Method and arrangements for estimating IQ-imbalance'2014 8,731,500'Automatic gain control based on bandwidth and delay spread'2014 8,706,108'Frequency scanning technique for a cell search procedure'2014 8,644,403'Operation of user equipment when control and data information are supplied by different radio units'2014 8,594,210'Method and apparatus for positioning an FFT-window in an OFDM-receiver'2013 8,576,869'Simultaneous cell group and cyclic prefix detection method, apparatus and system'2013 8,576,766'Dynamic scheduling of in-band relay node resources'2013 8,538,469'Method for initial scanning of frequencies, frequency scanning controller, and apparatus'2013 8,483,293'Method and device for signal processing'2013 8,472,538'Method and apparatus for delay spread estimation'2013 8,331,506'Frequency-dependent IQ imbalance estimation'2012 8,270,509'Determining a frequency error in a receiver of a wireless communications system'2012 8,223,825'Method and computer program for estimating signal quality value, and signal quality estimator, receiver and communication apparatus'2012 8,219,056'Radio environment scanner'2012 8,184,580'Data packet communication scheduling in a communication system'2012 8,179,988'Cyclic redundancy in ODFM systems'2012 8,081,561'Signal generating unit and signal receiving unit'2011 8,072,896'Adaptive coexistence between different wireless communication systems'2011 8,050,338'Doppler dependent power control and sub-carrier allocation in OFDM multiple access systems'2011 8,023,600'Method and apparatus for interference rejection combining and detection'2011 7,949,302'Method and system for dynamic carrier selection'2011 7,945,206'Data packet transmission scheduling in a mobile communication system'2011 7,929,624'Cell ID detection in cellular communication systems'2011 7,929,625'Quality of service based antenna mapping for multiple-input multiple-output communication systems'2011 7,907,673'Robust and low-complexity combined signal power estimation'2011 7,903,769'Method and apparatus for phase-noise compensation in digital receivers'2011 7,894,540'Method and apparatus for reducing phase noise in orthogonal frequency division multiplexing systems'2011 7,787,358'Uplink inter-carrier interference cancellation of OFDMA systems'2010 7,769,094'Arrangement and method for reducing the impact of interfering signals in a communication system'2010 7,706,428'Low complexity inter-carrier interference cancellation'2010 7,685,220'Circular fast fourier transform'2010 7,680,218'Method and apparatus for communication channel estimation'2010 7,613,262'Signal processing apparatus and method for decision directed symbol synchronisation'2009 7,602,852'Initial parameter estimation in OFDM systems'2009 7,599,453'Doppler spread estimation for OFDM systems'2009 7,480,342'Soft value calculation for multilevel signals'2009 7,474,611'Reduced complexity channel estimation in OFDM systems'2009 7,433,433'Channel estimation by adaptive interpolation'2008 7,095,719'Method and apparatus for dynamic packet selection in uncoordinated radio systems'2006 7,079,590'DC-offset compensation'2006 6,950,479'DC offset compensation'2005 6,914,947'Method and apparatus for handling time-drift'2005 6,901,120'Method and apparatus for iterative parameter estimation'2005 6,883,130'Enhanced and adaptive error detection in digital communications'2005 6,606,726'Optimization of acceptance of erroneous codewords and throughput'2003 6,587,500'Symbol sampling time settlement of a hard decision radio receiver'2003 6,421,803'System and method for implementing hybrid automatic repeat request using parity check combining'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2021Patents assigned to ERICSSON TELEFON AB L M (163)· patent assignee history

2002–2021Based in Lund, SE· patent location history

2003–2021Based in Dalby, SE· patent location history

2011–2020Patents assigned to WILHELMSSON LEIF (43)· patent assignee history

2011–2020Patents assigned to LINDOFF BENGT (21)· patent assignee history

2014–2016Patents assigned to SUNDSTRÖM LARS (7)· patent assignee history

2016–2018Patents assigned to ERICSSON TELEFON AB L M (publ) (24)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ERICSSON TELEFON AB L M	163	2002–2021
WILHELMSSON LEIFself	43	2011–2020
ERICSSON TELEFON AB L M (publ)	24	2016–2018
LINDOFF BENGT	21	2011–2020
SUNDSTRÖM LARS	7	2014–2016

Locations

Location	Patents	Span
Dalby, SE	153	2003–2021
Lund, SE	18	2002–2021