LexDanaLexDanabeta
Inventor

Haim Harel

Inventor
New York, NY, US

Overview

117→
Patents
1994–2016
Patent span
Electricity
Primary field (CPC H)

Patents· 117 as inventor

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

H04Bprimary
H04BTransmission40%
H04WWireless communication networks27%
H04LTransmission of digital information, e.g. telegraphic communication13%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use6%
H01QAntennas, i.e. radio aerials5%
G01SRadio direction-finding4%
H03GControl of amplification1%
H03FAmplifiers1%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications1%
Y10TTechnical subjects covered by former us classification1%
PatentTitleYear
9,532,231'System and method for cooperative scheduling for co-located access points'20169,525,203'Controlling MTD antenna VSWR and coupling for SAR control'20169,497,781'System and method for co-located and co-channel Wi-Fi access points'20169,425,882'Wi-Fi radio distribution network stations and method of operating Wi-Fi RDN stations'20169,402,237'Using multiple and a single feedback for UE uplink beamforming in soft handoff'20169,385,793'Multi-beam co-channel Wi-Fi access point'20169,357,401'Method and apparatus for adaptive reduction of interference in a small cell of a mobile telecommunication system'20169,344,168'Beamformer phase optimization for a multi-layer MIMO system augmented by radio distribution network'20169,343,808'Multi-beam MIMO time division duplex base station using subset of radios'20169,332,519'System and method for selective registration in a multi-beam system'20169,313,805'System and method for simultaneous co-channel access of neighboring access points'20169,300,378'Implementing multi user multiple input multiple output (MU MIMO) base station using single-user (SU) MIMO co-located base stations'20169,294,177'System and method for transmit and receive antenna patterns calibration for time division duplex (TDD) systems'20169,271,176'System and method for backhaul based sounding feedback'20169,264,178'General phase perturbation method'20169,246,570'Method and device for phase adjustment based on closed-loop diversity feedback'20169,246,216'System and method for adaptive beam forming for specific absorption rate control'20169,236,998'Transmitter and receiver calibration for obtaining the channel reciprocity for time division duplex MIMO systems'20169,210,672'Method and apparatus for random access channel probe initialization using transmit diversity'20159,197,306'Method, system and apparatus using multiple feedbacks for uplink closed-loop beamforming'20159,172,446'Method and system for supporting sparse explicit sounding by implicit data'20159,172,454'Method and system for calibrating a transceiver array'20159,166,665'System, method and apparatus for mobile transmit diversity using symmetric phase difference'20159,155,110'System and method for co-located and co-channel Wi-Fi access points'20159,154,204'Implementing transmit RDN architectures in uplink MIMO systems'20159,100,154'Method and system for explicit AP-to-AP sounding in an 802.11 network'20159,100,968'Method and system for digital cancellation scheme with multi-beam'20159,088,898'System and method for cooperative scheduling for co-located access points'20159,071,309'Method and system for use of quadrature hybrids for closed and open loop beam forming transmit diversity'20159,065,517'Implementing blind tuning in hybrid MIMO RF beamforming systems'20159,065,510'Method, apparatus and system for providing feedback to a transmit diversity device'20159,060,362'Method and system for accessing an occupied Wi-Fi channel by a client using a nulling scheme'20159,048,913'Method and apparatus for adaptive control of transmit diversity to provide operating power reduction'20159,042,276'Multiple co-located multi-user-MIMO access points'20159,014,066'System and method for transmit and receive antenna patterns calibration for time division duplex (TDD) systems'20158,995,416'System and method for simultaneous co-channel access of neighboring access points'20158,989,103'Method and system for selective attenuation of preamble reception in co-located WI FI access points'20158,983,548'Multi-beam co-channel Wi-Fi access point'20158,971,452'Using 3G/4G baseband signals for tuning beamformers in hybrid MIMO RDN systems'20158,958,757'System, method and apparatus for mobile transmit diversity using symmetric phase difference'20158,948,327'System and method for discrete gain control in hybrid MIMO/RF beamforming'20158,942,134'System and method for selective registration in a multi-beam system'20158,929,322'System and method for side lobe suppression using controlled signal cancellation'20158,928,528'Multi-beam MIMO time division duplex base station using subset of radios'20158,923,448'Using antenna pooling to enhance a MIMO receiver augmented by RF beamforming'20148,903,319'Method, system and apparatus using multiple feedbacks for uplink closed-loop beamforming'20148,891,598'Transmitter and receiver calibration for obtaining the channel reciprocity for time division duplex MIMO systems'20148,885,757'Calibration of MIMO systems with radio distribution networks'20148,849,222'Method and device for phase adjustment based on closed-loop diversity feedback'20148,842,765'Beamformer configurable for connecting a variable number of antennas and radio circuits'20148,837,650'System and method for discrete gain control in hybrid MIMO RF beamforming for multi layer MIMO base station'20148,824,596'System and method for uplink transmissions in time division MIMO RDN architecture'20148,811,522'Mitigating interferences for a multi-layer MIMO system augmented by radio distribution network'20148,797,969'Implementing multi user multiple input multiple output (MU MIMO) base station using single-user (SU) MIMO co-located base stations'20148,774,150'System and method for reducing side-lobe contamination effects in Wi-Fi access points'20148,767,862'Beamformer phase optimization for a multi-layer MIMO system augmented by radio distribution network'20148,750,811'Method, apparatus and system for phase difference adjustment in transmit diversity'20148,731,489'Method and apparatus for random access channel probe initialization using transmit diversity'20148,699,968'Using multiple and a single feedback for UE uplink beamforming in soft handoff'20148,654,883'Systems and methods for enhanced RF MIMO system performance'20148,649,458'Using antenna pooling to enhance a MIMO receiver augmented by RF beamforming'20148,644,413'Implementing blind tuning in hybrid MIMO RF beamforming systems'20148,634,495'System, method and apparatus for mobile transmit diversity using symmetric phase difference'20148,630,596'System and method for adaptive beamforming for specific absorption rate control'20148,630,678'Modifying a signal by controlling transmit diversity parameters'20148,619,927'System and method for discrete gain control in hybrid MIMO/RF beamforming'20138,599,955'System and method for distinguishing between antennas in hybrid MIMO RDN systems'20138,442,457'System and method for adaptive beamforming for specific absorption rate control'20138,351,882'Amplifying a transmit signal using a fractional power amplifier'20138,351,976'Modifying a signal by controlling transmit diversity parameters'20138,351,866'Method, apparatus and system for providing feedback to a transmit diversity device'20138,249,528'Method, apparatus and system for providing transmit diversity feedback during soft handoff'20128,249,187'System, method and apparatus for mobile transmit diversity using symmetric phase difference'20128,150,441'Modifying a signal by controlling transmit diversity parameters'20128,116,693'Method, apparatus and system for providing feedback to a transmit diversity device'20128,036,603'Method, apparatus and system for providing feedback to a transmit diversity device'20118,032,091'Method, apparatus and system for providing transmit diversity feedback during soft handoff'20118,032,092'System, apparatus and method for introducing antenna pattern variability'20118,009,096'Method, system and apparatus for determining antenna weighting for transmit diversity'20117,965,987'Amplifying a transmit signal using a fractional power amplifier'20117,949,069'Method, system and apparatus for applying hybrid ARQ to the control of transmit diversity'20117,945,222'Method, apparatus and system for providing transmit diversity feedback'20117,869,535'Method, system and apparatus for phase control of transmit diversity signals'20117,796,717'Modifying a signal according to a diversity parameter adjustment'20107,792,207'Communication device with smart antenna using a quality-indication signal'20107,783,267'Modifying a signal in response to quality indicator availability'20107,746,946'Performing a scan of diversity parameter differences'20107,663,545'Method, system and apparatus for determining antenna weighting for transmit diversity'20107,633,905'Calibrating a transmit diversity communication device'20097,616,930'Determining a phase adjustment in accordance with power trends'20097,558,591'Determining a power control group boundary of a power control group'20097,505,741'Processing diversity signals using a delay'20097,430,430'Adjusting a signal at a diversity system'20087,327,801'Communication device with smart antenna using a quality-indication signal'20087,321,636'Communication device with smart antenna using a quality-indication signal'20087,272,359'Communicating signals according to a quality indicator using multiple antenna elements'20077,184,500'Method and system for adaptively combining signals'20077,149,483'Amplifying diversity signals using power amplifiers'20067,145,959'Smart antenna based spectrum multiplexing using existing pilot signals for orthogonal frequency division multiplexing (OFDM) modulations'20066,366,195'Power control in two-way paging systems'20026,128,472'Expanding a two-way paging system for high inbound traffic from stationary sites'20006,112,057'Conflict resolution in a multi-beam multi-site paging system'20006,097,931'Two-way paging uplink infrastructure'20006,016,421'Conflict resolution in a multi-beam multi-site paging system'20005,956,621'Method and apparatus for adapting omnidirectional synchronous wireless communications protocol to sectorial environments'19995,953,639'Multi-beam encoding system for two-way paging'19995,870,426'Grouping of spread spectrum acknowledgement pagers to minimize transmission collisions'19995,784,031'Versatile anttenna array for multiple pencil beams and efficient beam combinations'19985,592,180'Direction finding and mobile location system for trunked mobile radio systems'19975,583,517'Multi-path resistant frequency-hopped spread spectrum mobile location system'19965,546,422'Method of transmitting low-power frequency hopped spread spectrum data'19965,530,452'Method of synchronizing spread spectrum radio transmitters'19965,519,718'Remote unit for use with remote pager'19965,499,266'Low-power frequency-hopped spread spectrum acknowledgement paging system'19965,430,759'Low-power frequency-hopped spread spectrum reverse paging system'19955,379,047'Remote position determination system'19955,335,246'Pager with reverse paging facility'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1996Based in Herzliya, IL· patent location history
1995–1997Based in Herzelia, IL· patent location history
1998–2002Based in Palo Alto, CA, US· patent location history
1999Based in Herezelia, IL· patent location history
2006–2016Patents assigned to MAGNOLIA BROADBAND INC (71)· patent assignee history
2006–2016Based in New York, NY, US· patent location history
2012–2016Patents assigned to GOOGLE INC (27)· patent assignee history
2012–2016Patents assigned to HAREL HAIM (19)· patent assignee history
2012–2016Patents assigned to KLUDT KENNETH (12)· patent assignee history
2012–2015Patents assigned to WANG SHERWIN J (9)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MAGNOLIA BROADBAND INC712006–2016
GOOGLE INC272012–2016
HAREL HAIMself192012–2016
KLUDT KENNETH122012–2016
WANG SHERWIN J92012–2015
Locations
LocationPatentsSpan
New York, New York, US992006–2016
Palo Alto, California, US81998–2002
Herzelia, IL61995–1997
Herzliya, IL31994–1996
Herezelia, IL11999