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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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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 ...
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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 ...
Uplink sounding in a wireless local area network
Apple Inc.
March 30, 2017 - N°20170093600

Time, frequency and waveform division multiplex schemes are used to efficiently estimate multiple uplink channels in a wireless local area network (wlan). Orthogonal frequency division multiple access (ofdma) and multi-user multiple input multiple output (mu-mimo) approaches provide efficient uplink data transmission. An access point (ap) communicates with multiple stations (stas) in the wlan. In some approaches, two or more stas ...
System and method for large scale multiple input multiple output communications
Futurewei Technologies, Inc.
March 30, 2017 - N°20170093467

A method for communicating using a large scale multiple input multiple output (mimo) antenna array, the method includes determining angular domain channel estimates of the large scale mimo antenna array in accordance with antenna domain channel estimates of the large scale mimo antenna array, identifying significant beams of the large scale mimo antenna array by maximizing the angular domain channel ...
System and method for large scale multiple input multiple output communications
Futurewei Technologies, Inc.
March 30, 2017 - N°20170093465

A large scale multiple input multiple output (mimo) communications device includes a first plurality of antenna units (aus) arranged in an array, and a central processing unit operatively coupled to a first end au in the first plurality of aus. Each au in the first plurality of aus is operatively coupled to at least two neighboring aus, and wherein each ...
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Method for processing received signal of mimo receiver
Lg Electronics Inc.
March 16, 2017 - N°20170079047

Disclosed herein are a received signal processing method including selecting a reference resource element (re) from an re group including a plurality of res, generating a common filter to be shared among the plurality of res of the re group based on channel information of the reference re, detecting primary signals, from which channel influence is removed, of the plurality ...
Adaptive multiple input multiple output pid control system for industrial turbines
Woodward, Inc.
March 16, 2017 - N°20170075326

The subject matter of this specification can be embodied in, among other things, a method that includes receiving, at a ratio controller, turbine response values based on first process output value based on a first control parameter and a first process input value, and a second process output value based on a second control parameter and a second process input ...
Vehicle antenna diagnostics
Gm Global Technology Operations Llc
March 09, 2017 - N°20170067950

In an example of a method for performing vehicle antenna diagnostics, a transmitting and receiving (tx/rx) antenna of a multiple input multiple output (mimo) antenna assembly of a vehicle is electronically caused to emit a check signal. A response of a receiving only (rx) antenna of the mimo antenna assembly is electronically detected in response to the check signal. ...
Method for setting modulation and coding scheme in wireless ran system and apparatus supporting the ...
Lg Electronics Inc.
February 09, 2017 - N°20170041913

A method and a transmitting station for transmitting data by using a multi-user multiple input multiple output (mu-mimo) in a wireless local area network system are discussed. The method according to an embodiment includes transmitting a physical layer convergence procedure (plcp) protocol data unit (ppdu) including a bundled interface field, a modulation and coding scheme (mcs) index field and a ...
Determining position of a wireless device using remote radio head devices with multiple antenna devices
Telefonaktiebolaget Lm Ericsson (publ)
February 02, 2017 - N°20170033842

It is presented a method for determining a position of a wireless device, the method being performed in a network node connected to a plurality of remote radio head devices each comprising a first antenna device which can be used for a first mimo, multiple input multiple output, stream and a second antenna device which can be used for a ...
Method for beam steering in multiple-input multiple-output system
Indian Institute Of Technology Madras
January 26, 2017 - N°20170026094

Embodiments herein provide a method for beam steering in a multiple input multiple output (mimo) system. The method includes steering a transmit beam using a precoder matrix determined based on a plurality of parameters, wherein the transmit beam is formed using at least one of a weight of each antenna element, a number of antenna elements, and an inter-antenna element ...
Method and apparatus for communicating channel state information in full-dimensional mimo system
Samsung Electronics Co., Ltd
January 19, 2017 - N°20170019162

The present disclosure relates to a communication method and system for converging a 5th-generation (5g) communication system for supporting higher data rates beyond a 4th-generation (4g) system with a technology for internet of things (iot). The present disclosure may be applied to intelligent services based on the 5g communication technology and the iot-related technology, such as smart home, smart building, ...
Hybrid precoding design for multiple input multiple output system with few-bit analog to digital converters
Samsung Electronics Co., Ltd
January 19, 2017 - N°20170019157

A mobile device includes a receiver configured to perform hybrid precoding on signals received through a large bandwidth communication. The receiver includes a plurality of antennas configured to receive wireless communications signals through the large bandwidth communication. The receiver also includes a number of radio frequency (rf) chains, each comprising a low-bit analog to digital converter (adc) configured to preform ...
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