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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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NEW 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. Each mu-capable sta is configured for multi-user multiple-input multiple-output (mu-mimo) communications and/or orthogonal frequency-division multiple access (ofdma) communications. The ap can further ...
NEW 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. The processing circuity may be configured to determine based on buffer capacity parameters of a station and a receive buffer state of the station at least one of a size, a ...
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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. The relay nodes can each relay a portion of the message, performing a time or frequency shift along with the relay. The multiple ...
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. In some embodiments, the dl mu-mimo control information may include information identifying each such receiving ...
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). The siso mimo detector includes circuitry to generate soft symbol outputs for each of a plurality of received spatial streams, and circuitry to adjust ...
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. The ap may transmit a downlink data packet that indicates an ru to ...
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. For example, the wireless device may be a single-antenna device. The wireless ...
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Apparatus, system and method of communicating according to a transmit space-frequency diversity scheme
Intel Corporation
July 20, 2017 - N°20170207838

For example, a wireless station may be configured to modulate a plurality of data bit sequences into a plurality of data blocks in a frequency domain according to a dual carrier modulation, a data bit sequence of the plurality of data bit sequences to be modulated into first and second consecutive symbols in a data block of the plurality of ...
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 ...
Preamble design aspects for high efficiency wireless local area networks
Qualcomm Incorporated
June 22, 2017 - N°20170181130

Methods, apparatuses, and computer readable media for resource allocation signaling in a high efficiency wireless local area network (wlan) are disclosed. A receiver may receive, at a first station, a transmission frame that includes a wlan signaling field decodable by a plurality of stations. The receiver may identify, in a station-specific portion of the wlan signaling field, an order for ...
Method and apparatus for implementing space time processing
Interdigital Technology Corporation
June 08, 2017 - N°20170163383

A method and apparatus for implementing spatial processing with unequal modulation and coding schemes (mcss) or stream-dependent mcss are disclosed. Input data may be parsed into a plurality of data streams, and spatial processing is performed on the data streams to generate a plurality of spatial streams. An mcs for each data stream is selected independently. The spatial streams are ...
Systems and methods for calculating log-likelihood ratios in a mimo detector
Uurmi Systems Pvt Ltd
June 08, 2017 - N°20170163319

A method and a communication receiver have been described for calculating log-likelihood ratios in a communication receiver. The log-likelihood ratio is calculated for each bit of one or more subsymbols of each of the one or more spatial streams by computing effective noise on one or more spatial streams after considering noise terms resulting from mimo detection estimates of the ...
Nan further availability schedule indications
Apple Inc.
May 04, 2017 - N°20170127464

In some embodiments, one or more wireless stations operate to configure direct communication with neighboring mobile stations, e. G., direct communication between the wireless stations without utilizing an intermediate access point. Embodiments of the disclosure relate to a mechanism for peer devices to transmit availability schedules beyond 512 time units while continuing to minimize communication overhead. In some embodiments, a wireless ...
Wireless station control of wlan receive operating mode change
Apple Inc.
May 04, 2017 - N°20170126461

A wireless local area network station (sta) changes a receiver operating mode (rom) and saves power by influencing when a rom-conforming access point (ap) transmission takes place. The sta evaluates candidate delay regimes after a negotiation exchange with the sta. The sta then instructs the ap of a selected delay regime which the ap is permitted to use when transmitting ...
Method and apparatus for transceiving a data frame in a wireless lan system
Lg Electronics Inc.
March 30, 2017 - N°20170094646

A method of transmitting a data frame by a transmitter in a wlan system is provided. The method includes generating a data block including at least one data units respectively transmitted through at least one or more spatial streams to at least one receiver, transmitting first control information to the at least one receiver, transmitting second control information to each ...
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