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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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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 ...
Communication method and apparatus using beamforming in a wireless communication system
Samsung Electronics Co., Ltd.
August 10, 2017 - N°20170230095

A communication method and an apparatus using beamforming in a wireless communication system are provided. The communication method includes determining a candidate user set including one or more mobile stations (mss), for multiple user-multiple input multiple output (mu-mimo) transmission, transmitting beam information indicating best base station (bs) transmission beams of the mss of the candidate user set to the mss ...
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 ...
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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 ...
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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 ...
Initiating and protecting multi-user multiple input multiple output transmissions in communication networks
Intel Ip Corporation
June 29, 2017 - N°20170187435

Methods, apparatus, systems and articles of manufacture (e. G., physical storage media) to initiate and protect multi-user multiple input multiple output (mu-mimo) transmissions in communication networks are disclosed. Example mu-mimo communication methods disclosed herein include preparing a mu-mimo setup frame specifying duration information for a subsequent mu-mimo frame to be transmitted and a group of stations to receive the subsequent ...
Multiple input multiple output orthogonal frequency division multiplexing with index modulation, mimo-ofdm-im, communications system
Istanbul Teknik Universitesi Rektorlugu
June 22, 2017 - N°20170180032

A communication system for the next generation wireless communications technology standards. The communication system architecture is created by the combination of the index modulation technique and the multiple input, multiple output orthogonal frequency division multiplexing which eliminates the need to utilize complex equalizers by parsing high speed data strings and transmitting them over multiple orthogonal subcarriers, and allows the bits ...
Decoupled mode for a common uplink burst transmission in a time division duplex subframe structure
Qualcomm Incorporated
June 15, 2017 - N°20170171856

Various aspects of the present disclosure provide for methods, apparatus, and computer software for transmitting a common uplink burst in time division duplex (tdd) carriers. The common uplink burst includes a sounding reference signal (srs) transmitted separate from (e. G., decoupled from) a demodulation reference signal (dm-rs). At least one symbol in the common uplink burst includes a control region ...
Method and system for scheduling and mitigating cross-cell interference
Hughes Systique Private Limited
June 15, 2017 - N°20170170914

The present invention provides a method and a system for scheduling and mitigating cross-cell interference. The system comprises a plurality of n network nodes, each having a baseband processor and a transmit antenna nt, capable of handling multiple input multiple output (mimo) channels, communicatively coupled with a plurality of k co-residents user equipment (ues); a central scheduler configured to control ...
Wireless local area network (wlan) uplink transceiver systems and methods
Interdigital Patent Holdings, Inc.
June 08, 2017 - N°20170164387

Systems, methods, and instrumentalities are described to implement wlan uplink multi-user multiple input multiple output (ul mu-mimo) communication in an institute of electrical and electronics engineers (ieee) 802. 11 based system, using an ieee 802. 11 station (sta). The sta may receive a downlink poll frame from an ieee 802. 11 access point (ap) including one or more of a request for reporting of a transmit ...
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Method and apparatus for multiple frame transmission for supporting mu-mimo
Lg Electronics Inc.
June 01, 2017 - N°20170155433

A method of multi user multiple input multiple output (mu-mimo) communication in a wireless local area network (wlan) system, the method being performed by a transmitting device and including generating, by the transmitting device, an aggregate-medium access control protocol data unit (a-mpdu) comprising an a-mpdu subframe which includes a medium access control protocol data unit (mpdu) delimiter field and an ...
Distributed antenna system for multiple input multiple output signal
Lg Electronics Inc.
May 25, 2017 - N°20170149550

According to an aspect of the inventive concept, there is provided a master unit included in a distributed antenna system of a frequency division duplex scheme, includes: a frequency converting unit converting a frequency of a first signal received from a base station into a predetermined frequency to generate a first frequency conversion signal; a signal combining unit combining the ...
Reference signal transmission method for downlink multiple input multiple output system
Lg Electronics Inc.
May 18, 2017 - N°20170141898

A reference signal transmission method in a downlink mimo system is disclosed. The downlink mimo system supports a first ue supporting n transmission antennas among a total of m transmission antennas (where m>n) and a second ue supporting the m transmission antennas. The method includes transmitting, by a base station (bs), subframe-associated information which designates a first ...
Methods and nodes in a wireless communication network
Huawei Technologies Co., Ltd.
May 04, 2017 - N°20170127296

A base transceiver station (bts) and a method for wireless communication with a user equipment (ue) in a wireless communication system. The bts comprises a multiple input multiple output (mimo) antenna array configured for beamforming and mimo transmission. The bts further comprises a processing circuit, configured for supporting same or separate downlink precoding for a control plane and a user ...
Trigger information exchange between wireless systems
Ixia
May 04, 2017 - N°20170126450

Systems and methods are disclosed herein to provide efficient support for the exchange of trigger information between wireless data communication devices and systems, including multi-user multiple input multiple output (mu-mimo) devices and systems that may utilize orthogonal frequency division multiple access (ofdma). In accordance with one or more embodiments, a trigger information exchange mechanism is disclosed that transfers trigger data ...
System and method for large scale multiple input multiple output beamforming
Futurewei Technologies, Inc.
May 04, 2017 - N°20170126296

A method for operating a large scale multiple input multiple output (mimo) communications device adapted to perform large scale mimo communications includes determining beamforming coefficients for antennas of an antenna array in accordance with position information of antennas of the antenna array and directional information of a communications device with which the large scale mimo communications device is communicating, applying ...
Apparatus and method for transmitting and receiving of cyclic shift parameter for supporting orthogonality in ...
Pantech Inc.
April 20, 2017 - N°20170111199

A method includes: determining a cyclic shift (cs) parameter that implicitly indicates an orthogonality allocation rule and orthogonality-related information, by determining a multiple access state of a user equipment (ue), and transmitting the determined cs parameter to the ue, wherein the orthogonality-related information includes an orthogonal cover code indicated by the cs parameter, the orthogonality allocation rule is determined as ...
Apparatus and method for performing beamforming operation in communication system supporting frequency division-multiple input multiple ...
Purdue Research Foundation
April 20, 2017 - N°20170111084

A pre-5th-generation (5g) or 5g communication system for supporting higher data rates beyond 4th-generation (4g) communication system, such as a long term evolution (lte), is provided. A method for performing a beamforming operation in a communication system supporting a frequency division-multiple input multiple output (fd-mimo) scheme is provided. The method includes detecting a rough beam of a first dominant ...
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