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Spatial Streams patents

      

This page is updated frequently with new Spatial Streams-related patent applications.




 Method and  transmitting signal in wireless communication system patent thumbnailMethod and transmitting signal in wireless communication system
A method and apparatus for transmitting a signal in a wireless communication system are provided. The method includes: generating r spatial streams each of which is generated on the basis of an information stream and a reference signal; generating n transmit streams on the basis of the r spatial streams and a precoding matrix (where r<n); mapping the n transmit streams to at least one resource block; and generating n signals from the n transmit streams mapped to the at least one resource block, and the transmitting the n signals to a user equipment through respective antennas..
Lg Electronics Inc.


 Multi-user multiple-input-multiple-output grouping metrics patent thumbnailMulti-user multiple-input-multiple-output grouping metrics
Methods, systems, and devices are described for wireless communication. In one aspect, a method of wireless communication includes receiving, by a wireless device, beamforming information from a plurality of stations.
Qualcomm Incorporated


 Multicast negative acknowledgements using high-energy long-training fields for feedback patent thumbnailMulticast negative acknowledgements using high-energy long-training fields for feedback
Apparatuses, computer readable media, and methods for multicast negative acknowledgements using high-energy long-training fields for feedback are disclosed. An apparatus of a wireless device is disclosed.

 Method for setting modulation and coding scheme in wireless ran system and apparatus supporting the same patent thumbnailMethod for setting modulation and coding scheme in wireless ran system and apparatus supporting the same
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 data field.
Lg Electronics Inc.


 Software access point standby power optimization across an arbitrary number of associated clients patent thumbnailSoftware access point standby power optimization across an arbitrary number of associated clients
Systems and methods for wireless communications are disclosed. More particularly, aspects generally relate to an apparatus for wireless communications.
Qualcomm Incorporated


 Scalable projection-based mimo detector patent thumbnailScalable projection-based mimo detector
Systems and methods are disclosed that may detect data transmitted using mimo communications. Data may be received, on a wireless channel, as a plurality of spatial streams.
Qualcomm Incorporated


 Techniques for supporting definitions for reduced numbers of spatial streams patent thumbnailTechniques for supporting definitions for reduced numbers of spatial streams
A method and apparatuses for wireless communication are described herein. An exemplary method may include generating a frame comprising: at least one bit indicating an operating bandwidth mode associated with a set of bandwidths, a first field having a value indicating a first number of spatial streams supported by the apparatus associated with a first subset of the set of bandwidths, and one or more bits indicating how the value of the first field is to be processed for determining a second number of spatial streams supported by the apparatus on a given bandwidth in the set of bandwidths for transmission of one or more packets to the apparatus; and outputting the frame for transmission.
Qualcomm Incorporated


 Uplink or downlink mu-mimo apparatus and method patent thumbnailUplink or downlink mu-mimo apparatus and method
Generally discussed herein are systems and apparatuses that may include ul or dl using multiple user (mu) multiple input multiple output (mimo) or frequency multiplexing. The disclosure also includes techniques of using the systems and apparatuses.
Intel Ip Corporation


 Systems and methods for implementing an ofdma ltf design for wireless network communication patent thumbnailSystems and methods for implementing an ofdma ltf design for wireless network communication
Systems, methods, and apparatuses are disclosed herein for aligning he-ltfs corresponding to a plurality of users by determining a respective number of spatial streams corresponding to each user, determining a highest respective number of spatial streams of the spatial streams, and setting an alignment number of he-ltf symbols to be equal to or larger than the highest respective number of spatial streams. For each respective user, a respective matrix of he-ltf symbols corresponding to the respective number of spatial streams of the respective user is selected, and it is determined whether the respective matrix of he-ltf symbols has fewer symbols than the alignment number.
Marvell World Trade Ltd.


 Method for power saving in wireless local area network and  the same patent thumbnailMethod for power saving in wireless local area network and the same
A method and a wireless apparatus for power saving in a wireless local area network are discussed. The method according to an embodiment includes receiving a frame including a signal field from a transmitting device.
Lg Electronics Inc.


Spatial multiplexing power save learning mode

Apparatus and methods for configuring wireless circuitry of a wireless communication device associated with a wireless local area network (wlan) access point (ap) to use a reduced power consumption mode are disclosed. While associated with a multiple-input multiple-output (mimo) wlan ap and operating in a mimo mode that includes at least two spatial streams for communication with multiple radio frequency (rf) receive chains active, the wireless communication device transmits a message indicating a request to use a spatial multiplexing power save (smps) mode that supports only one spatial stream and requires only a single active rf receive chain.
Apple Inc.

Method and mimo wlan power optimization

Apparatus and methods for configuring wireless circuitry of a wireless device to optimize power consumption based on operating states of the wireless device are disclosed. When associating with or while associated with a multiple-input multiple-output (mimo) capable wireless local area network (wlan) access point (ap), the wireless device configures the wireless circuitry to use a mimo mode that includes at least two spatial streams for communication with multiple radio frequency (rf) receive chains active, a single-input single-output (siso) mode or a multiple-input single-output (miso) mode that includes only one spatial stream and a single rf receive chain active, or a single-input multiple-output (simo) mode that includes only one spatial stream and multiple rf receive chains active, based on balancing application requirements for data throughput with power saving modes to conserve battery levels.
Apple Inc.

Methods and wlan transmission

A modulation coding scheme (mcs) is selected i) from a first set of mcss when the phy data unit is to be transmitted using a first channel bandwidth, and ii) from a second set of mcss when the phy data unit is to be transmitted using a second channel bandwidth. The first set of mcss corresponds to i) a number of spatial streams, and ii) the first channel bandwidth, the second set of mcss corresponds to i) the number of spatial streams, and ii) the second channel bandwidth.
Marvell World Trade Ltd.

Modified cts or block acknowledgement for coexistence

Methods, systems, and devices are described for wireless communication. A wireless device may identify an upcoming interference period, determine a receive end time based on when the interference period will begin to disrupt incoming messages, and transmit a scheduling outlook message to a transmitter to schedule around the interference in response to receiving a packet (request-to-send (rts) or data).
Qualcomm Incorporated

Apparatus, system and multi-user wireless communication

Some demonstrative embodiments include apparatuses, devices, systems and methods of multi-user (mu) wireless communication. For example, a wireless station may generate a mu physical layer convergence protocol (plcp) protocol data unit (ppdu) including a header field and a plurality of spatial streams (sss) of media access control (mac) protocol data units (mpdus) to a plurality of users, the header field including an indication of a plurality of modulation schemes corresponding to respective ones of the plurality of users; and process transmission of the mu ppdu to the plurality of users over a wireless communication band..
Intel Ip Corporation

Tone block and spatial stream allocation

A method is described. A block allocation that indicates a plurality of contiguous tone blocks of a wireless local area network communication channel is selected for a multi-user, multiple input multiple output (mu-mimo) orthogonal frequency division multiple access (ofdma) data unit.
Marvell World Trade Ltd.

Opportunistic peak-to-average power ratio reduction in mu-mimo wireless communication

Methods and apparatuses pertaining to opportunistic peak-to-average power ratio reduction in multi-user multi-input and multi-output (mu-mimo) wireless communication are described. A method may involve determining whether a length of a payload of each spatial stream of a plurality of spatial streams is less than a predetermined length for transmission of each spatial stream of the plurality of spatial streams.
Mediatek Inc.

Methods and channel state information sounding and feedback

Methods and apparatus for channel state information feedback are provided. In various aspects, a message is transmitted requesting channel feedback information.
Qualcomm Incorporated

A network node and handling cellular and d2d communications in a wireless communications network

A method performed by a network node (110) for handling cellular communications and device-to device, d2d, communications of user equipments (121, 22, 123, 124) served by the network node (110) in a wireless telecommunications network (100) is provided. The network node determine, for at least one physical radio resource, prr, to be scheduled for both cellular and d2d communications of the user equipments (121, 122, 123, 124), a number of spatial streams to be used by the cellular and d2d communications of the user equipments (121, 122, 123, 124).
Telefonaktiebolaget Lm Ericsson (publ)

Techniques for supporting multiple bandwidth modes

A method for wireless communication is described herein. The method may include advertising support by a wireless device for a first bandwidth mode and a second bandwidth mode, wherein the first bandwidth mode utilizes a single channel and the second bandwidth mode utilizes channel bonding between a plurality of channels.
Qualcomm Incorporated

Method for testing a wireless link of a wi-fi node, and circuit performing the method

The method for monitoring a wireless link of a wireless node of a cpe device during operation of the cpe device, comprises the steps of taking samples of one or several of the following parameters in a defined time interval: received signal strength (rssi), modulation rate (physical layer rate) and/or the number of spatial streams used for the wireless link, and calculating an average for that parameters by including a filtering of said parameters.. .
Thomson Licensing

Signaling techniques to support downlink (dl) multi-user multiple-input multiple-output (mu-mimo) in 60 ghz wireless networks

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.
Intel Corporation

Method for transmitting control information and the same

A method for transmitting data in a wireless local area network, and a device therefore are discussed. The method according to one embodiment includes generating, by a transmitter, a very high throughput (vht)-sig-a field; generating, by the transmitter, a vht-sig-b field by applying a single column vector; and transmitting, by the transmitter, a physical layer protocol data unit (ppdu) to a receiver, the ppdu including the vht-sig-a field and the vht-sig-b field.

Frame formats for channel bonding and mimo transmissions

Certain aspects of the present disclosure provide methods and apparatus for preamble structures for transmissions sent using channel bonding (across multiple channels) and/or mimo (with two or more spatial streams).. .
Qualcomm Incorporated

Mu-mimo access point and user station including methods for multi-user group management

Embodiments of a mu-mimo access point, user station and method for multi-user group management are generally described herein. In some embodiments, a mu-mimo access point may assign a mu group identifier (gid) and a group member index (gmi) to each of a plurality of associated user stations.
Intel Corporation

Method for transmitting and receiving data unit based on uplink multiple user multiple input multiple output transmission and the same

In an aspect, a method of receiving a data unit, performed by an access point (ap), in a wireless lan (wlan) system is provided. The method includes transmitting a signal protection frame, the signal protection frame comprising a group id field indicating a multiple input multiple output (mimo) transmission sta group including a first station (sta) and a second sta; and, a spatial stream field indicating a number of spatial streams allocated to each of member stas included in the mimo transmission sta group; receiving a first preamble for a first data unit from the first sta; receiving a second preamble for a second data unit from the second sta; and simultaneously receiving the first data unit from the first sta and the second data unit from the second sta..
Lg Electronics Inc.

Method for reporting channel information based on link adaptation in wireless local area network and the the same

A method and a device for reporting a modulation and coding scheme (mcs) feedback in a wireless local area network are provided. A responding station receives, from a requesting station, a requesting physical layer protocol data unit (ppdu) for requesting a mcs feedback via a plurality of spatial streams.
Lg Electronics Inc.

Systems, methods, and devices for efficient indication of bandwidth and stream allocation

Example systems, methods, and devices for efficient indication of bandwidth and stream allocation are discussed. In one embodiment, a method for indication of bandwidth allocation in a wireless network can include partitioning, by a network device, a bandwidth of a wireless signal into a plurality of subband units, assigning one or more switch bits between adjacent subband units, and allocating one or more modified subband units to one or more users of the network.

Dsp assisted and on demand rf and analog domain processing for low power wireless transceivers

A wireless user equipment (ue) device may include a receiver and transmitter. The ue device may dynamically vary the fidelity requirements imposed on the analog signal processing performed by the receiver and/or the transmitter in response factors such as: amount of signal interference (e.g., out-of-band signal power); modulation and coding scheme; number of spatial streams; extent of transmitter leakage; and size and/or frequency location of resources allocated to the ue device.
Apple Inc.

Method and apparatus of beam training for mimo operation and multiple antenna beamforming operation

The disclosed invention provides an efficient method for mimo beam training for multiple antennas to enable spatial multiplexing mimo operation and spatial combining in a wireless network. The invention discloses a simple and efficient beam-training algorithm and protocol for mimo operation that operates in high snr condition for reliable mimo operation.
Mediatek Singapore Pte. Ltd.

Channel frame structures for high efficiency wireless lan (hew)

An high efficiency wireless local area network access point including a channel access module and a scheduling module. The channel access module accesses a channel of an unlicensed frequency band, which includes a plurality of subchannels.
Marvell World Trade Ltd.

Method for power saving in wireless local area network and the same

A method of power saving in a wireless local area network, and a wireless apparatus therefore are discussed. The method according to one embodiment includes acquiring a transmission opportunity (txop), receiving a signal field, the signal field including a group identifier, a number indicator and a power saving indicator, the group identifier indicating a group of recipients, the number indicator indicating a number of spatial streams, the power saving indicator indicating that the transmitting device allows the wireless device to enter a doze state.
Lg Electronics Inc.

Supporting high dimensional mu-mimo beamforming by sounding multiple frames with different sets of antenna patterns

In some aspects, the disclosure is directed to methods and systems for performing channel estimation between a beamformer and a beamformee. A beamformer can determine that a beamformee is configured to perform channel estimation for up to a pre-configured number of transmit spatial streams from the beamformer.
Broadcom Corporation

Interleaving in ofdma data tone plans

Methods and techniques for interleaving orthogonal frequency division multiple access (ofdma) data are disclosed. An apparatus includes an interleaver configured to interleave encoded data for at least one of a 72, 120, or 312 data tone allocation.
Qualcomm Incorporated

Method and transceiving a data frame in a wireless lan system

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 receiver, and transmitting the data block to the at least one receiver.
Lg Electronics Inc.

Method and apparatus of beam training for mimo operation

The disclosed invention provides an efficient method for beam training to enable spatial multiplexing mimo operation and spatial combining in a wireless network. The invention discloses a simple and efficient beam-training algorithm and protocol for mimo operation that operates in high snr condition for reliable mimo operation.
Mediatek Singapore Pte. Ltd.

Method and apparatus of beam training for mimo operation and multiple antenna beamforming operation

The disclosed invention provides an efficient method for mimo beam training for multiple antennas to enable spatial multiplexing mimo operation and spatial combining in a wireless network. The invention discloses a simple and efficient beam-training algorithm and protocol for mimo operation that operates in high snr condition for reliable mimo operation.
Mediatek Singapore Pte. Ltd.

Method and transmitting control information in wlan system

A method and apparatus for signal transmission in a wireless local area network (wlan) system. The method according to one embodiment includes generating a first very high throughput (vht) signal, generating a second vht signal, and transmitting the first vht signal and the second vht signal.
Lg Electronics Inc.

Supporting high dimensional mu-mimo beamforming by sounding multiple frames with different sets of antenna patterns

In some aspects, the disclosure is directed to methods and systems for performing channel estimation between a beamformer and a beamformee. A beamformer can determine that a beamformee is configured to perform channel estimation for up to a pre-configured number of transmit spatial streams from the beamformer.
Broadcom Corporation

Method and system for content-aware mapping/error protection using different spatial streams

Aspects of a method and system for content-aware mapping/error protection using different spatial streams are presented. Aspects of a system for handling multimedia information in a communication system may include a transmitter that enables control of a mac layer and/or a phy layer, in a wireless communication device to wirelessly communicate different portions of multimedia information via different spatial streams based on content of the multimedia information.
Broadcom Corporation

Method for setting modulation and coding scheme in wireless ran system and apparatus supporting the same

A method of transmitting data by a multi-user multiple input multiple output (mu-mimo) transmitter in a wireless local area network system. The method according to one embodiment includes generating a physical layer protocol data unit (ppdu), the ppdu including a bundled interface field, a modulation and coding scheme (mcs) index field and a data field; and transmitting the ppdu to a plurality of receiving stations.
Lg Electronics Inc.

Method for providing information of access point selection

A method of transmitting basic service set (bss) load information. The method according to one embodiment includes establishing, by an access point (ap), an association with at least one very high throughput (vht) station that has successfully synchronized with the ap and that has a capability of receiving at least one spatial stream of a plurality of spatial streams transmitted via a multi user-multiple input multiple output (mu-mimo) transmission; and broadcasting, by the ap, a beacon frame that includes load information including a station count field and an antenna utilization field.
Lg Electronics Inc.

Method and transmitting signal in wireless communication system

A method and apparatus for transmitting a signal in a wireless communication system are provided. The method includes: generating r spatial stream each of which is generated on the basis of an information stream and reference signal; generating n transmit streams on the basis of the r spatial streams and a precoding matrix (where r<n); mapping the n transmit streams to at least one resource block; and generating n signals from the n transmit streams mapped to the at least one resource block, and the transmitting the n signals to a user equipment through respective antennas..
Lg Electronics Inc.

Mimo wireless communication method and system

The present invention discloses a mimo wireless communication method functioning through a main wireless communication device and comprising: acquiring a transmission opportunity; issuing an distributed mimo initiation frame including a transmission duration, a number ns1 of transmission spatial stream(s), and a number nr1 of reception spatial streams which an intended receiver is operable to process; receiving an initial portion which an attendant wireless communication device sends in response to the distributed mimo initiation frame, or issuing the initial portion after reaching a time limit; and transmitting a distributed mimo packet to the intended receiver while the attendant wireless communication device is allowed to transmit another distributed mimo packet to the intended receiver or another intended receiver concurrently, wherein the sum of the number ns1 and a number ns2 of transmission spatial stream(s) of the attendant wireless communication device is equal to or less than the number nr1.. .
Realtek Semiconductor Corporation

Method and implementing space time processing

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.
Interdigital Technology Corporation

Method for power saving in wireless local area network and the same

A method for power saving in a wireless local area network. The method according to one embodiment includes acquiring, by a wireless device, a transmission opportunity (txop); and receiving a signal field from the transmitting device.
Lg Electronics Inc.

Low complexity near optimal two spatial stream maximal likelihood detector

Methods, apparatuses, and systems are provided for generating a candidate search set for ml detection of 2n-qam signals transmitted on two or more mimo spatial streams. A method includes estimating an initial solution yq for a received 2n-qam symbol value b0b1 .
Samsung Electronics Co., Ltd.

Method and transmitting management information in wireless local area network system

A method for transmitting load information in a wireless local area network. The method according to one embodiment includes generating, by an access point (ap), basic service set (bss) load information, the bss load information including a multiple input multiple output (mimo) channel underutilization field; and transmitting, by the ap, the bss load information.
Lg Electronics Inc.

Acknowledgement, error recovery and backoff operation of uplink multi-user multiple-input-multiple-output communication in wireless networks

Wireless communication in a wireless network comprises obtaining a transmission opportunity period (txop) for communicating with an access point (ap) over a wireless communication channel. An announcement is sent to the ap to share the transmission opportunity period among wireless stations, as a multi-user transmission opportunity period for simultaneously transmitting data from said wireless stations to the ap on multiple uplink (ul) spatial streams over the wireless channel.
Samsung Electronics Co., Ltd.

Uplink sdma transmit opportunity scheduling

Certain aspects of the present disclosure present medium access control (mac) protocols for uplink spatial division multiple access (sdma) transmissions by one or more stations (stas). An access point (ap) may receive one or more requests for uplink sdma transmission from a plurality of stations.
Qualcomm Incorporated



Spatial Streams topics:
  • Spatial Streams
  • Transmitter
  • Data Structure
  • Wireless Communication Device
  • Data Structures
  • Communication System
  • Access Point
  • Communications
  • Modulation And Coding Scheme
  • Modulation
  • Precoding Matrix
  • Pilot Signal
  • Distributed
  • Distributed Antenna System
  • Phase Shift


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    This listing is a sample listing of patent applications related to Spatial Streams for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Spatial Streams with additional patents listed. Browse our RSS directory or Search for other possible listings.


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