System for establishing and maintaining a clock reference indicating one-way latency in a data network
K Hansson, O Hagsand - US Patent 8,792,380, 2014 - Google Patents
A method for indicating one-way latency in a data network, with continuous clock
synchronization, between first and second node having clocks that are not synchronized …
synchronization, between first and second node having clocks that are not synchronized …
Beamformer phase optimization for a multi-layer MIMO system augmented by radio distribution network
E Abreu, H Harel, K Kludt, PF Chen… - US Patent 8,767,862, 2014 - Google Patents
(57) ABSTRACT A system for selecting optimal phase combinations for RF beam formers in
a MIMO hybrid receiving systems aug mented by RF Distribution Network. The system …
a MIMO hybrid receiving systems aug mented by RF Distribution Network. The system …
Implementing multi user multiple input multiple output (MU MIMO) base station using single-user (SU) MIMO co-located base stations
H Harel, K Kludt, PF Chen, SJ Wang - US Patent 8,797,969, 2014 - Google Patents
(57) ABSTRACT A system that implements multi user multiple inputs multiple outputs (MU
MIMO) base station using a plurality of co located single-user (SU) MIMO base stations is …
MIMO) base station using a plurality of co located single-user (SU) MIMO base stations is …
Multi-beam MIMO time division duplex base station using subset of radios
H Harel, E Abreu, K Kludt, PF Chen… - US Patent 8,928,528, 2015 - Google Patents
(57) ABSTRACT A system and method may include a plurality of transmit and receive
antennas covering one sector of a cellular communi cation base station; a multi-beam RF …
antennas covering one sector of a cellular communi cation base station; a multi-beam RF …
System and method for discrete gain control in hybrid MIMO RF beamforming for multi layer MIMO base station
K Kludt, E Abreu, H Harel - US Patent 8,837,650, 2014 - Google Patents
(57) ABSTRACT A multiple-input-multiple-output (MIMO) receiving system configured for
receiving multiple transmission layers is pro vided herein. The system includes a plurality of …
receiving multiple transmission layers is pro vided herein. The system includes a plurality of …
Beamformer configurable for connecting a variable number of antennas and radio circuits
K Kludt, H Harel - US Patent 8,842,765, 2014 - Google Patents
(60) Provisional application No. 61/652,743, filed on May (57) ABSTRACT 29, 2012,
provisional application No. 61/657,999, A reconfigurable RF routing module may include …
provisional application No. 61/657,999, A reconfigurable RF routing module may include …
Transmitter and receiver calibration for obtaining the channel reciprocity for time division duplex MIMO systems
SJ Wang, PF Chen, H Harel - US Patent 8,891,598, 2014 - Google Patents
A communication device operating in time division duplex (TDD) mode using multiple
antennas is provided herein. The communication device uses receive channel estimation …
antennas is provided herein. The communication device uses receive channel estimation …
Implementing blind tuning in hybrid MIMO RF beamforming systems
H Harel, E Abreu, K Kludt - US Patent 8,644,413, 2014 - Google Patents
Provisional application No. 61/652,743, filed on May 29, 2012, provisional application No.
61/657,999, filed on Jun. 11, 2012, provisional application No. 61/665,592, filed on Jun. 28 …
61/657,999, filed on Jun. 11, 2012, provisional application No. 61/665,592, filed on Jun. 28 …
Mitigating interferences for a multi-layer MIMO system augmented by radio distribution network
H Harel, E Abreu - US Patent 8,811,522, 2014 - Google Patents
Abstract A wireless User Equipment (UE) receiving system, may include tunable receiving
antennas; a channel estimation module configured to: carry out a periodic, non-continuous …
antennas; a channel estimation module configured to: carry out a periodic, non-continuous …
Multiple co-located multi-user-MIMO access points
H Harel, SS Jeffery, K Kludt - US Patent 9,042,276, 2015 - Google Patents
HO4L 5/14(2006.01) Baratz LLP HO4W 88/08(2009.01) HO4W 76/00(2009.01)(57)
ABSTRACT HO4W 72/04(2009.01) A wireless communication system may include a …
ABSTRACT HO4W 72/04(2009.01) A wireless communication system may include a …