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Multiple Input Multiple Output

Multiple Input Multiple Output-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Enhanced multiple input multiple output preamble frame
November 09, 2017 - N°20170324599

This disclosure describes systems, methods, and devices related to an enhanced multiple input multiple output (mimo) preamble frame. A device may determine a mimo frame including a first section and a second section. The device may generate an enhanced mimo frame including at least in part a modified first section and the second section of the mimo frame. The device ...
Multiple input multiple output, mimo, baseband apparatus
Rohde & Schwarz Gmbh & Co. Kg
November 09, 2017 - N°20170324454

A multiple input multiple output, mimo, baseband apparatus comprising a baseband signal interface adapted to transmit or receive baseband signals comprising data mapped by a mapping unit of said baseband apparatus to a number, n, of mimo layers which are coupled by a mimo layer coupling unit of said baseband apparatus to different remote radio heads connected to said baseband ...
Target recovery in multiple input multiple output (mimo) radar system
Rohde & Schwarz Gmbh & Co. Kg
November 02, 2017 - N°20170315221

A multiple input multiple output (mimo) radar system and method of using it for target recovery are disclosed. The mimo radar system comprises an array of distributed radiating elements configured to transmit signals towards a target scene, an array of distributed receiving elements configured to receive signals backscattered from the target scene, a sampling module configured to sample the signals ...
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Method and apparatus for receiving data in communication system supporting multiple input multiple output scheme
Samsung Electronics Co., Ltd.
October 26, 2017 - N°20170311331

The present disclosure relates to a pre-5th-generation (5g) or 5g communication system to be provided for supporting higher data rates beyond 4th-generation (4g) communication system such as a long term evolution (lte). A method for receiving data includes selecting one of reception schemes, and receiving data based on the selected reception scheme, wherein the reception schemes includes a scheme ...
Multi-user multiple input multiple output communications in wireless local area networks and wireless transmit and ...
Interdigital Patent Holdings, Inc.
October 12, 2017 - N°20170294953

Wtrus, access points (aps) and methods thereon are disclosed. A method on a wtru may include receiving a message from an ap that comprises a beamformee capability element; sending a second message to the ap that comprises a beamformer capability element; and receiving, from the ap, a third message in response to the second message that indicates a group to ...
Methods and apparatus for multiplexing reference signals for multiple input multiple output(mimo) layers
Qualcomm Incorporated
October 05, 2017 - N°20170288837

Methods and apparatus for multiplexing reference signals for multiple input multiple output (mimo) layers are provided. Resources for demodulation reference signals (dmrs) corresponding to each of two or more data streams are assigned, wherein the resources assigned to each of the data streams are staggered in frequency and span two or more ofdm (orthogonal frequency divisional multiplexing) symbols. The dmrs ...
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Method and apparatus for channel sounding for a mu-mimo wireless communication network
Cambium Networks Limited
October 05, 2017 - N°20170288746

In a multi user multiple input multiple output mu-mimo wireless communication network comprising an access point and subscriber modules, a method of channel sounding comprises forming a respective mu-mimo beam from the access point to each subscriber module of a first sounding group of subscriber modules by applying a beamforming weightset to a weighting matrix, the beamforming weightset determined based ...
Methods, network node and communication device for transmitting data
Telefonaktiebolaget Lm Ericsson (publ)
September 28, 2017 - N°20170279511

The disclosure relates to a method performed in a network node for transmitting data in a wireless network. The network node is configurable for controlling a multiple input multiple output antenna system. The method comprises beamforming user specific data streams to one or more communication devices, ue1, . . . , uek, wherein the beamforming is based on respective channel information available for each ...
Point-to-multipoint microwave communication
Skyriver Communications, Inc.
September 21, 2017 - N°20170272230

A microwave communication system may include subscriber stations in communication with a base station. The stations may include time duplex circuitry normally found in wireless local area networks (wlans). Signals normally routed through antennas associated with such circuitry instead are routed through circuitry to perform frequency conversion to and from microwave communications frequencies, for communications over microwave links between the ...
System and method for multiple input multiple output (mimo) detection with soft slicer
Samsung Electronics Co., Ltd.
September 14, 2017 - N°20170264391

A system, method and device for wireless communication is provided. The method includes receiving, by a receiver, data from a transmitter, storing the data in the receiver, and determining, by the receiver, a probability of a bit stored in the data and a probability of a symbol based on the probability of the bit, wherein determining the probability of the ...
Multiple input multiple output regulator controller system
Qualcomm Incorporated
September 07, 2017 - N°20170255214

Circuit techniques control multiple regulator circuits. Regulator circuits are configured to time share voltage control circuitry. The voltage control circuitry may include multiple sets of switches to selectively couple a voltage control circuit with a selected voltage regulation loop of one of the regulators.
Method and apparatus for transmitting/receiving channels in mobile communication system supporting massive mimo
Samsung Electronics Co., Ltd.
August 24, 2017 - N°20170245251

A channel transmission/reception method and an apparatus for transmitting/receiving channels between a base station and a mobile terminal efficiently in a mobile communication supporting massive multiple input multiple output (mimo) transmission are provided. The method includes determining a resource to which a demodulation reference signal (dmrs) addressed to a terminal is mapped within a resource block, the dmrs ...
Method and apparatus for operating a power save mode in a wireless lan system
Lg Electronics Inc.
August 10, 2017 - N°20170230909

A communication method that includes transmitting a power save multi-poll (psmp) frame containing a power save mode (psm) of a non-access point (ap) station (sta) to a first station and to a second station which are paired with an ap on the basis of multiple input multiple output (mimo) technology. Information on the psm indicates the point in time of ...
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Method and apparatus for transmitting management information frame in wireless local area network system
Lg Electronics Inc.
August 03, 2017 - N°20170223612

A method for reporting load information, performed by an access point (ap), in a wireless local area network system, the method includes determining first utilization information for a first channel having a bandwidth of 40 mhz; and transmitting basic service set (bss) load information, the bss load information including a multi user (mu) multiple input multiple output (mimo) capable station count ...
Method and apparatus of iterative channel tracking for mimo-ofdm system
Lilee Systems, Ltd.
August 03, 2017 - N°20170222841

Methods and systems for channel estimation using iterative channel tracking algorithm, in a communication system combined multiple input multiple output (mimo) technology with orthogonal frequency division multiplexing (ofdm), are disclose. The initial channel estimation of a data packet uses the first preamble inserted in front of the ofdm blocks. After demodulating subsequent one or more ofdm blocks, iterative channel tracking ...
System, method, and apparatus of beam-tracking and beam feedback operation in a beam-forming based system
Samsung Electronics Co., Ltd.
July 20, 2017 - N°20170207843

The present disclosure relates to a pre-5th-generation (5g) or 5g communication system to be provided for supporting higher data rates beyond 4th-generation (4g) communication system such as long term evolution (lte). A mobility application method of a user equipment (ue) residing in a system of wireless communication systems, which supports transmission/reception of data, using a beamforming, via multiple ...
Adaptive multiple input multiple output (mimo) optical orthogonal frequency division multiplexing (o-ofdm) based visible light ...
Ozyegin Universitesi
July 13, 2017 - N°20170201321

Systems and methods for adaptive mimo o-ofdm vlc are disclosed to involve adaptively choosing modulation type, modulation order, mimo configuration, and mimo type. A receiver estimates channel information, and based on the channel information, an adaptive controller makes a selection of transmission mode and provides feedback to a transmitter, which uses a set of transmission parameters indicated in the transmission ...
Method for setting modulation and coding scheme in wireless ran system and apparatus supporting the ...
Lg Electronics Inc.
July 06, 2017 - N°20170196001

A method for receiving data by a receiving station by using a multi-user multiple input multiple output (mu-mimo) in a wireless local area network system, the method includes receiving, via a transceiver in the receiving station, a physical layer convergence procedure (plcp) protocol data unit (ppdu) from a transmitting station, the ppdu including a bundled interface field, a modulation and ...
Method and apparatus for calculating feedback information for 3d mimo in wireless communication system
Lg Electronics Inc.
July 06, 2017 - N°20170195934

Disclosed herein is a method for generating channel state information at a user equipment (ue) for multiple input multiple output (mimo) based beamforming in a wireless communication system. The method includes receiving a first pilot pattern and a second pilot pattern from a base station, selecting a precoding matrix index (pmi) and a rank indicator (ri) for each of the ...
Systems and methods for channel state information exchange
Ixia
July 06, 2017 - N°20170195016

Systems and methods are disclosed herein to provide improved channel estimation and channel state information (csi) transfer in a wireless data communication system, including but not limited to multiple input multiple output (mimo) communication systems. In accordance with one or more embodiments and aspects thereof, a channel estimation and csi transfer system is disclosed that extends and utilizes existing frame ...
Orthogonal frequency-division multiple (ofdm) access distributed channel access with uplink ofdm multiple input multiple output (...
Intel Ip Corporation
June 29, 2017 - N°20170188362

This disclosure describes methods, devices, and systems related to an ofdma distributed channel access. Devices are disclosed comprising: at least one processor; and at least one memory that stores computer-executable instructions, wherein the at least one processor is configured to access the at least one memory and execute the computer-executable instructions to identify a trigger frame received on the communication ...
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