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Spatial Streams

Spatial Streams-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Techniques for high efficiency basic service set operation
Qualcomm Incorporated
May 03, 2018 - N°20180124866

Aspects of the present disclosure provide techniques for high efficiency (he) basic service set (bss) operations. In an implementation, a wireless station (sta) can identify a set including one or more modulation coding scheme (mcs) and number of spatial streams (nss) tuples for he communications in wireless local area networks (wlans).
Dci design for multi-user superposition transmission
Qualcomm Incorporated
May 03, 2018 - N°20180124754

Wireless networks support mu-mimo transmission in which a base station transmits multiple spatial layers or spatial streams over a shared downlink resource to multiple ues. However, ues participating in the mu-mimo transmission may need to manage interference associated with spatial streams intended for other users.
Data feedback methods and related apparatuses
Huawei Technologies Co., Ltd.
May 03, 2018 - N°20180123655

A data feedback method includes acquiring, by the beamformee, the number of columns from a null data packet announcement (ndpa) message; detecting the number of active first spatial streams; comparing the number of first spatial streams with the number of columns, and taking the smaller value obtained from the comparison as the number of second spatial streams required for feedback; ...
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Distributed antenna system for mimo technologies
Corning Optical Communications Wireless Ltd
March 22, 2018 - N°20180083673

A method and system for supporting m1mo technologies which can require the transport of multiple spatial streams on a traditional distributed antenna system (das). According to the invention, at one end of the das, each spatial stream is shifted in frequency to a pre-assigned band (such as a band at a frequency lower than the native frequency) that does ...
Method for transmitting and receiving signal in wireless local area network system and device for ...
Lg Electronics Inc.
February 08, 2018 - N°20180041918

The present invention relates to a method performed by a station (sta) for transmitting and receiving signals in a wireless local area network (wlan) system. More particularly, according to the present invention, when the sta performs signal transmission and reception through channel aggregation, the sta can transmit a signal by mapping spatial stream sequences of each spatial stream in individual ...
Apparatus, system and method of communicating a single carrier (sc) transmission
Intel Corporation
January 25, 2018 - N°20180026749

Some demonstrative embodiments include apparatus, system and method of communicating a single carrier (sc) transmission. For example, an apparatus of a sc physical layer (phy) transmitter may include a spatial stream parser to distribute encoded bits of a physical layer convergence procedure (plcp) service data unit (psdu) to a plurality of spatial streams; a plurality of constellation mappers to map ...
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Determination and transmission of bss load metrics for mu wlan systems
Mediatek Inc.
January 18, 2018 - N°20180020367

Systems and methods of providing basis service set (bss) load information pertinent to multi-user (mu) communications in wlan systems. An access point (ap) can determine the counts of mu-capable user stations (stas) active stas in a bss.
Wireless system using different bands in the transmit and receive direction and applying frequency shifts ...
Phazr, Inc.
January 18, 2018 - N°20180019797

A wireless access point is configured to communicate in millimeter wave frequency bands in the downlink direction and in sub-6 ghz frequency bands in the uplink direction. The wireless access point includes a signal processing circuit configured to generate different spatial streams signals and a frequency shift circuit configured to apply different frequency shifts to the different spatial streams signals.
Flow control with acknowledgment feedback
January 04, 2018 - N°20180007581

Computer readable media, methods, and apparatuses for flow control with acknowledgment feedback. An apparatus of a wireless device comprising: memory; and processing circuitry coupled to the memory is disclosed.
Method and apparatus for changing operating mode in wireless local area network system
Lg Electronics Inc.
December 21, 2017 - N°20170367096

The present specification proposes a signal processing method for changing an operating mode for configuring a physical-layer protocol data unit (ppdu). Specifically, a first station receives, from a second station, first indication information and second indication information, which indicate a change of an operating mode indicating a number of spatial streams and a channel bandwidth which are supported by the ...
System and method for distributed mimo communications
December 21, 2017 - N°20170366238

The disclosure provides systems, devices, and methods for distributed relay multiple-in multiple-out (dr-mimo) communications. The system can have a master transmit node that transmits a message to a master receive node via one or more relay nodes.
Uplink training for mimo implicit beamforming
Marvell World Trade Ltd.
November 30, 2017 - N°20170346536

A first communication device determines that a second communication device is capable of using a transparent implicit beamforming technique to determine steering matrices for transmitting to the first communication device via a forward multiple input multiple output (mimo) communication channel. In response to determining that the second communication device is capable of using the transparent implicit beamforming technique, the first ...
Apparatus, system and method of communicating a mimo transmission with golay sequence set
Intel Corporation
November 09, 2017 - N°20170324453

Some demonstrative embodiments include apparatus, system and method of communicating a multiple-input-multiple-output (mimo) transmission with golay sequence set (gss). For example, an apparatus may include logic and circuitry configured to cause a wireless station to generate a golay sequence set (gss) including a plurality of complementary golay sequence pairs based on a plurality of weight vectors, the plurality of weight ...
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System and method for rate adaptation based on total number of spatial streams in mu-mimo ...
October 19, 2017 - N°20170302401

Wireless node selects modulation coding schemes (mcs) and number of spatial streams for transmitting data to devices via a mu-mimo transmission based on the total number of spatial streams. In one implementation, a wireless node selects first mcs, first number of spatial stream(s) for a first device, and total number of spatial streams to be used in the mu-mimo ...
Signaling techniques to support downlink (dl) multi-user multiple-input multiple-output (mu-mimo) in 60 ghz wireless networks
October 19, 2017 - N°20170302356

Signaling techniques to support dl mu-mimo in 60 ghz wireless networks are described. According to various such techniques, a transmitting 60 ghz-capable device may be configured to include dl mu-mimo control information in a phy header of a ppdu that comprises respective data for multiple receiving devices.
Wireless device and method for iterative decoding for mu-mimo wireless systems
October 05, 2017 - N°20170288747

Embodiments relate to systems, methods, and computer readable media to enable a wireless receiver are described. In one embodiment a wireless receiver includes a channel decoder and a soft-input soft-output multiple-input multiple-output detector (siso mimo detector).
Apparatus, system and method of communicating pilot signals according to a diversity scheme
Intel Corporation
September 14, 2017 - N°20170265217

For example, a wireless station may be configured to map a plurality of data symbols to orthogonal frequency-division multiplexing (ofdm) symbols in a plurality of spatial streams, to may map a plurality of pilot sequences to the ofdm symbols according to a pilot mapping scheme, and to transmit a multi-in-multi-out (mimo) transmission based on the plurality of spatial streams.. .
Station (sta), access point (ap) and method for communication of control information for uplink transmission
September 14, 2017 - N°20170265135

Embodiments of an access point (ap), station (sta) and method for communication of control information for uplink transmission are generally described herein. The ap may transmit a trigger frame (tf) that indicates a resource unit (ru) to be used by an sta for an uplink data transmission.
Apparatus, system and method of communicating according to a transmit space-frequency diversity scheme
Intel Corporation
September 14, 2017 - N°20170264351

For example, a wireless station may be configured to modulate a plurality of data bit sequences into a plurality of data blocks according to a dual carrier modulation, to map the plurality of data blocks to a plurality of spatial streams according to a space-time diversity scheme, and to transmit a mimo transmission based on the plurality of spatial streams.. .
Beamforming techniques for single-stream communications
Qualcomm Incorporated
August 03, 2017 - N°20170222706

A method of adjusting single-stream transmissions by a wireless device based on channel state information (csi). The wireless device generates a sounding packet formatted for transmission via multiple spatial streams, and transmits the sounding packet to a receiving device via a single one of the multiple spatial streams.
Method and apparatus for changing operating mode in wireless local area network system
Lg Electronics Inc.
July 20, 2017 - N°20170208580

The present specification suggests a signal processing method for changing an operating mode to configure a ppdu in a wireless local area network (wlan) system. Specifically, a first station receives indication information indicating a change in operating mode that indicates a number of spatial streams and a receiving channel bandwidth that are supported by a second station from the second ...
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