Patent application number | Description | Published |
20100254290 | Device power management in a wireless network - In various embodiments of the invention, a device in a wireless communications network may negotiate with a network controller to determine when the device may enter a power save mode. The power save mode may include period(s) in which the device is in a low power state in which it cannot transmit or receive, and period(s) in which it is in an operational state in which it can transmit and/or receive. | 10-07-2010 |
20100322130 | Techniques for broadcast/multicast delivery in wireless networks - An embodiment of the present invention provides an apparatus including a transceiver operable for broadcast/multicast traffic delivery in a wireless network, wherein the transceiver is adapted to identify local broadcast traffic and limit a broadcast domain to a basic service set (BSS) servicing the local broadcast traffic. | 12-23-2010 |
20100322213 | SERVICE DISCOVERY IN A WIRELESS NETWORK - Embodiments of service discovery in a wireless network involve an Access Point (AP) proxy service to represent service providers. The AP manages service provider information, which is provided in response to service requests from service consumers. The AP proxy capability is advertised as a broadcast message in the wireless network. | 12-23-2010 |
20110064033 | MILLIMETER-WAVE COMMUNICATION STATION AND METHOD FOR SCHEDULING ASSOCIATION BEAMFORMING TRAINING WITH COLLISION AVOIDANCE - Embodiments of a millimeter-wave communication station and method for scheduling association beamforming training (A-BFT) with collision avoidance are generally described herein. In some embodiments an initiating station transmits a transmit sector-sweep frame in each of its antenna sectors and receives a reverse transmit sector-sweep frame from two or more unassociated responding stations. The initiating station transmits a sector-sweep feedback frame to each of the responding stations to indicate whether each responding station is to perform beamforming training in a current beacon interval or a subsequent beacon interval. The sector-sweep feedback frame may indicate an order in which the responding stations are to perform beamforming training in subsequent beacon intervals. | 03-17-2011 |
20110141892 | DEVICE, SYSTEM AND METHOD OF SIMULTANEOUSLY COMMUNICATING WITH A GROUP OF WIRELESS COMMUNICATION UNITS - Some demonstrative embodiments include devices, systems and/or methods of simultaneously communicating with a group of wireless communication devices. For example, a wireless communication unit may assign a plurality of wireless communication devices to at least one Space-Division Multiple Access (SDMA) group based on traffic-specification (TSPEC) information corresponding to the plurality of wireless communication devices, wherein the wireless communication unit is to simultaneously transmit a plurality of different wireless communication transmissions to the plurality of wireless communication devices of the group, respectively. Other embodiments are described and claimed. | 06-16-2011 |
20110149731 | DEVICE, SYSTEM AND METHOD OF SCHEDULING COMMUNICATIONS WITH A GROUP OF WIRELESS COMMUNICATION UNITS - Some demonstrative embodiments include devices, systems and/or methods of scheduling communications with a group of wireless communication devices. For example, a wireless communication unit may transmit at least one scheduling frame including an indication of a downlink period allocated for simultaneous transmission from the wireless communication unit to at least one group of a plurality of wireless communication devices, wherein the wireless communication unit is to simultaneously transmit a plurality of different wireless communication transmissions to the plurality of wireless communication devices of the group during the downlink period. Other embodiments are described and claimed. | 06-23-2011 |
20110149798 | DEVICE, SYSTEM AND METHOD OF COMMUNICATING USING CONFIGURED TRANSMISSION DIRECTIONALITY - Some demonstrative embodiments include devices, systems and/or methods of communicating using configured antenna directionality. For example, a wireless communication unit of a wireless communication device may detect another wireless communication device based on one or more beacons, to configure a directional wireless transmission scheme for communicating with the other wireless communication device based on the one or more beacons, and to establish a wireless communication link with the other wireless communication device using the directional wireless transmission scheme. Other embodiments are described and claimed. | 06-23-2011 |
20110149881 | Methods and apparatus for weighted queuing in DL MU MIMO - Embodiment and methods and means for scheduling an access point (AP) traffic for multiple stations (STAs) in a downlink multiple-user multiple-input-multiple-output (MIMO) network transmission are provided for employing a weighted queuing mechanism. | 06-23-2011 |
20110149882 | Scheduling mechanisms for media access control protection and channel sounding - Channel sounding for spatial division multiple access (SDMA) under the IEEE 802.11 protocol is described. | 06-23-2011 |
20110149918 | DEVICE, SYSTEM AND METHOD OF SIMULTANEOUSLY COMMUNICATING WITH A GROUP OF WIRELESS COMMUNICATION DEVICES - Some demonstrative embodiments include devices, systems and/or methods of simultaneously communicating with a group of wireless communication devices. For example, a device may include a wireless communication unit to communicate with at least one group of a plurality of wireless communication devices over a wireless communication medium, wherein the wireless communication unit is to reserve the wireless communication medium for a time period, during which the wireless communication unit is to simultaneously transmit two or more different wireless communication transmissions to two or more wireless communication devices of the group, respectively. Other embodiments are described and claimed. | 06-23-2011 |
20110149941 | DEVICE, SYSTEM AND METHOD OF SIMULTANEOUSLY COMMUNICATING WITH A GROUP OF WIRELESS COMMUNICATION DEVICES - Some demonstrative embodiments include devices, systems and/or methods of simultaneously communicating with a group of wireless communication devices. For example, a device may include a wireless communication unit to transmit at least one beamforming-training initiation frame to a group of a plurality of wireless communication devices, wherein the wireless communication unit is to receive two or more feedback frames from two or more of the wireless communication devices, wherein the wireless communication unit is to determine two or more beamforming schemes based on the two or more feedback frames, and wherein the wireless communication unit is to simultaneously transmit two or more different wireless communication transmissions to the two or more wireless communication devices, respectively, using the two or more beamforming schemes, respectively. Other embodiments are described and claimed. | 06-23-2011 |
20110207488 | Bandwidth and channel notification for wide-channel wireless communication - In a wireless communications network in which a device may simultaneously use multiple 20 MHz channels for communicating with another network device, various embodiments of the invention provide a way for a network controller to indicate to a mobile device which combinations of those channels the mobile device is permitted for use in subsequent communications involving the mobile device, and may also provide a way to specify which of those permitted channels are actually being used in those subsequent communications. | 08-25-2011 |
20110235576 | ENHANCED CARRIER SENSING FOR MULTI-CHANNEL OPERATION - In various embodiments, a multi-channel request-to-send and a multi-channel clear-to-send may be used in a wireless communications network to assure that a subsequent multi-channel communications exchange between two devices takes place only over channels that are sensed by both devices as being free. | 09-29-2011 |
20110235593 | Techniques for efficient acknowledgement for UL MU mimo and uplink OFDMA in wireless networks - An embodiment of the present invention provides a method of supporting acknowledgement transmissions for Uplink (UL) Multi-user Multiple Input Multiple Output (MU MIMO) in wireless networks, comprising, enabling an AP operable in the wireless network to send back acknowledgements to different wireless stations (STAs) in communication with said AP either sequentially or simultaneously by defining a new block ack (BAs) type for multiple STAs. | 09-29-2011 |
20110243073 | LEGACY OPERATIONS IN A MU MIMO WIRELESS NETWORK - In a network that contains both new devices capable of using wide channels and legacy devices that can only use narrow channels, the network controller may define which devices are to use which narrow channels for concurrently transmitting uplink acknowledgements. Further, the network controller may schedule the devices to respond in groups based on the received signal strength of their transmissions at the network controller. | 10-06-2011 |
20110268094 | Systems and methods for uplink multi-user multiple input multiple output (MU MIMO) medium access and error recovery - Embodiments of systems and methods for uplink multi-user multiple input multiple output (MU MIMO) medium access and error recovery are generally described herein. Other embodiments may be described and claimed. | 11-03-2011 |
20110299610 | BANDWIDTH AND CHANNEL NOTIFICATION FOR WIDE-CHANNEL WIRELESS COMMUNICATION - In a wireless communications network in which a device may simultaneously use multiple 20 MHz channels for communicating with another network device, various embodiments of the invention provide a way for a network controller to indicate to a mobile device which channels are to be used in communicating with the mobile device. | 12-08-2011 |
20110305205 | RESPONSE MECHANISMS FOR WIRELESS NETWORKS USING WIDE BANDWIDTH - In some embodiments, multiple wireless communication devices that are each transmitting an acknowledgement to the same wide-channel transmission will transmit their acknowledgements simultaneously over different ones of the narrow channels that make up the wide channel, thereby permitting older devices that can't decode the wide channels to determine when the acknowledgement are transmitted. | 12-15-2011 |
20120008568 | DIRECTIONAL MEDIA ACCESS TECHNIQUES WITH SPATIAL REUSE - Techniques are disclosed involving media access. For instance, wireless connections may be assigned into one or more groups. The assignments may be based on interference characteristics. Connection(s) within each of these groups may have acceptable interference characteristics with each other. Further, media access may be granted based on these groups. For example, if a device wishes to communicate across one of the connections, access may be granted for concurrent connections among all connections in the corresponding group. The granting of such access may be performed by a centralized controller device, such as an access point. | 01-12-2012 |
20120020269 | MEDIA ACCESS TECHNIQUES FOR MULTIPLE USER TRANSMISSIONS - Techniques are disclosed involving media access. For instance, a transmitting device may have data to transmit to destination devices. The transmitting device selects one or more of the destination devices and initiates an exchange with each of one or more of the selected device(s). Based on an outcome of such exchange(s), the transmitting device may choose between sending a data transmission and initiating a backoff interval. The data transmission may have data for one or more of the destination devices. | 01-26-2012 |
20120026928 | TECHNIQUES FOR UPLINK MULTI-USER MIMO MAC SUPPORT - An embodiment of the present invention provides a wireless station (STA), comprising a transceiver operable for communicating in a wireless network, wherein the transceiver is adapted for Uplink Multi-User Multiple Input Multiple Output (UL MU MIMO) Medium Access Control (MAC) support. | 02-02-2012 |
20120060075 | TECHNIQUES FOR UL MU MIMO SIGNALING AND ERROR HANDLING - An embodiment of the present invention provides a wireless station (STA), comprising a transceiver operable for communicating in a wireless network, wherein the transceiver is adapted to use signaling that enables the wireless station to communicate necessary information including a desired modulation coding scheme (MCS). | 03-08-2012 |
20120071116 | MU MIMO SUPPORT WITH HIGHLY DIRECTIONAL ANTENNAS - In various embodiments, a network controller in a multi-user multiple input multiple output (MU MIMO) network may perform training for directional communications with multiple mobile devices. It may organize the mobile devices into different groups, with all the mobile devices in a single group able to communicate simultaneously with the network controller without excessive interference from each other. Various techniques may be used for such training and grouping. | 03-22-2012 |
20120075439 | MOTION INITIATED TIME SYNCHRONIZATION - Systems and methods of synchronizing devices may include detecting a movement of a first mobile device and conducting a time synchronization procedure with respect to a second mobile device in response to the movement of the two mobile devices. The time synchronization can be conducted without network infrastructure support at the mobile devices. | 03-29-2012 |
20120076179 | TECHNIQUES FOR MULTI-USER MIMO SOUNDING IN WIRELESS NETWORKS - An embodiment of the present invention provides an apparatus, comprising a transceiver operable as an access point and capable of communicating in a wireless network, the AP adapted to perform a down link multi user-multiple input multiple output (DL MU-MIMO) transmission and further adapted to transmit a null data packet (NDP) to sound channels between intended recipient wireless stations (STAs), and wherein following a DL MU-MIMO transmission of the NDP, the AP polls each of the STAs in turn for channel state information. | 03-29-2012 |
20120113806 | Bandwidth Adaptation Techniques in Wireless Communications Networks - Techniques are disclosed that involve bandwidth adjustment in wireless communications networks. For instance, an operating bandwidth may be established for wireless communications with one or more remote devices. This operating bandwidth may include a primary channel and one or more secondary sub-channels. Further, one or more statistics may be maintained that correspond to one of the one or more sub-channels. These statistics may be based on based on events on the corresponding sub-channel(s), such collisions, interference events, medium busy events, etc. Based on such statistics, the operating bandwidth may be decreased. Moreover, embodiments may increase the operating bandwidth based on output queue depth statistics. Further, a notification may be transmitted that indicates a change in the operating bandwidth. This notification may be in the form of a bandwidth change indication (BCI) frame. | 05-10-2012 |
20120140615 | METHOD, STATION AND COMPUTER READABLE MEDIUM FOR DOWNLINK MULTI-USER MULTIPLE ACCESS CATEGORY MEDIUM ACCESS AND ERROR RECOVERY - A method, device and computer readable medium for downlink multi-user multiple input multiple output (MU MIMO) multiple access category (AC) medium access and error recovery. The method includes transmitting a plurality of aggregated MAC protocol data units (A-MDPUs) from the transmitting STA to respective ones a plurality of receiving STAs, the A-MDPUs being associated with respective access categories (ACs) and defining a primary AC. The method further includes doubling a contention window (CW) of at least one of the primary AC and a failed AC if an A-MPDU transmission failure occurs. | 06-07-2012 |
20120155357 | DEVICE POWER MANAGEMENT IN A WIRELESS NETWORK - In various embodiments of the invention, a device in a wireless communications network may negotiate with a network controller to determine when the device may enter a power save mode. The power save mode may include period(s) in which the device is in a low power state in which it cannot transmit or receive, and period(s) in which it is in an operational state in which it can transmit and/or receive. | 06-21-2012 |
20120177017 | TRANSMISSION RULES WITHIN A TXOP FOR WIDER BANDWIDTH OPERATION - A method of communicating in a wireless network comprises controlling a bandwidth or a transmission mask of a PPDU transmitted by a transmitting STA to a receiving STA within a TXOP based on bandwidth information in at least one preceding frame within the TXOP. The method and associated devices allow a control of TXOP bandwidth or transmission mask where devices capable of both dynamic and static bandwidth operation may be present within the network. The preceding frame may include a non-HT frame of a non-HT duplicate frame exchange, such as a non-HT duplicate RTS/CTS exchange or a BAR/BA exchange, where the bandwidth or the transmission mask would be controlled by being limited to be less than or equal to a bandwidth of the non-HT frame. The preceding frame may include a preceding PPDU, where the bandwidth or the transmission mask would be limited to be less than or equal to a bandwidth of the preceding PPDU. | 07-12-2012 |
20120249806 | COLLABORATIVE IMAGE CONTROL - Systems and methods of conducting collaborative sessions between mobile devices may provide for determining a time delay associated with a set of participating mobile devices, and determining a command execution time based at least in part on a clock of a managing device and the time delay. One or more control messages may be transmitted to the participating mobile devices, wherein the control messages include the command and the command execution time. Upon receiving a control message, each participating mobile device may determine a local execution time based at least in part on the command execution time and an offset of the clock of the managing device relative to a local clock. Execution of the command can therefore be coordinated across the set of participating mobile devices. | 10-04-2012 |
20120300707 | ENHANCED CARRIER SENSING FOR MULTI-CHANNEL OPERATION - In various embodiments, a multi-channel request-to-send and a multi-channel clear-to-send may be used in a wireless communications network to assure that a subsequent multi-channel communications exchange between two devices takes place only over channels that are sensed by both devices as being free. | 11-29-2012 |
20130128837 | DEVICE, SYSTEM AND METHOD OF SIMULTANEOUSLY COMMUNICATING WITH A GROUP OF WIRELESS COMMUNICATION DEVICES - Some demonstrative embodiments include devices, systems and/or methods of simultaneously communicating with a group of wireless communication devices. For example, a device may include a wireless communication unit to transmit at least one beamforming-training initiation frame to a group of a plurality of wireless communication devices, wherein the wireless communication unit is to receive two or more feedback frames from two or more of the wireless communication devices, wherein the wireless communication unit is to determine two or more beamforming schemes based on the two or more feedback frames, and wherein the wireless communication unit is to simultaneously transmit two or more different wireless communication transmissions to the two or more wireless communication devices, respectively, using the two or more beamforming schemes, respectively. Other embodiments are described and claimed. | 05-23-2013 |
20130142097 | DEVICE, SYSTEM AND METHOD OF SCHEDULING COMMUNICATIONS WITH A GROUP OF WIRELESS COMMUNICATION UNITS - Some demonstrative embodiments include devices, systems and/or methods of scheduling communications with a group of wireless communication devices. For example, a wireless communication unit may transmit at least one scheduling frame including an indication of a downlink period allocated for simultaneous transmission from the wireless communication unit to at least one group of a plurality of wireless communication devices, wherein the wireless communication unit is to simultaneously transmit a plurality of different wireless communication transmissions to the plurality of wireless communication devices of the group during the downlink period. Other embodiments are described and claimed. | 06-06-2013 |
20130250887 | DEVICE, SYSTEM AND METHOD OF SIMULTANEOUSLY COMMUNICATING WITH A GROUP OF WIRELESS COMMUNICATION UNITS - Some demonstrative embodiments include devices, systems and/or methods of simultaneously communicating with a group of wireless communication devices. For example, a wireless communication unit may assign a plurality of wireless communication devices to at least one Space-Division Multiple Access (SDMA) group based on traffic-specification (TSPEC) information corresponding to the plurality of wireless communication devices, wherein the wireless communication unit is to simultaneously transmit a plurality of different wireless communication transmissions to the plurality of wireless communication devices of the group, respectively. Other embodiments are described and claimed. | 09-26-2013 |
20130254281 | COLLABORATIVE MEDIA GATHERING SYSTEMS AND METHODS - Systems, devices and methods are described including determining a goal for collaborative media gathering, automatically generating a plurality of tasks specifying the capture of media associated with the goal, storing the tasks, and providing the tasks to a plurality of users. The goal may be automatically determined in response to real-time social media analysis. | 09-26-2013 |
20130276075 | Secure Peer-to-Peer Network Setup - Apparatuses for peer-to-peer network setup are presented. In one embodiment, an apparatus comprises a wireless processing unit to communicate with a master device. The wireless processing unit is operable to receive encoded data in a two-dimensional (2D) barcode. The encoded data comprise at least user information associated with the master device including a user identifier, a device identifier, or both. The encoded data further comprise network information including a network identifier, a password, and a profile lifetime value. In one embodiment, the apparatus further comprises a display unit to display at least part of the user information and the network information to a user. The wireless processing unit is operable to initiate a peer-to-peer network setup with the master device based at least on a response from the user. | 10-17-2013 |
20130278728 | COLLABORATIVE CROSS-PLATFORM VIDEO CAPTURE - Systems, devices and methods are described including determining a clock offset between one video capture device and another video capture device, capturing a first video sequence of a scene using the first video capture device, sending a start command to the other video capture device, sending a stop command to the other video capture device, sending a video file transfer command to the other video capture device, and receiving a second video sequence of the scene that was captured by the other video capture device in response to the start and stop command. The clock offset may then be used to synchronize the first video sequence to the second video sequence. | 10-24-2013 |
20140003353 | CHANNEL SELECTION TO MINIMIZE IMPACT ON EXISTING NETWORKS | 01-02-2014 |
20140006784 | TECHNIQUES FOR USER-VALIDATED CLOSE-RANGE MUTUAL AUTHENTICATION | 01-02-2014 |
20140049659 | CONSUMPTION AND CAPTURE OF MEDIA CONTENT SENSED FROM REMOTE PERSPECTIVES - Embodiments of apparatus, packages, computer-implemented methods, systems, devices, and computer-readable media (transitory and non-transitory) are described herein for enabling a first mobile device to control a second mobile device, to enable media content sensed from a perspective of the second mobile device to be consumed using the first mobile device or captured by the second mobile device under control of the first mobile device. In various embodiments, control may include provision of one or more commands to the second mobile device using at least a persistent communication link between the first and second mobile devices. In various embodiments, control may further include receipt of at least a view of media content currently sensed by the second mobile device using a stateless communication protocol. In various embodiments, the first mobile device may control more than one remote mobile devices. | 02-20-2014 |
20140064576 | Automatic Media Distribution - In accordance with some embodiments, wireless devices may automatically form ad hoc networks to enable more efficient sharing of media between the devices and in some cases more efficient facial recognition of captured media. In some embodiments, automatic story development may be implemented at the local level without involving backend servers. | 03-06-2014 |
20140168358 | MULTI-DEVICE ALIGNMENT FOR COLLABORATIVE MEDIA CAPTURE - Systems and methods of conducting collaborative image capture may provide for transferring sensor data from a plurality of image capture devices to a designated master device, which may in turn determine rough alignment recommendations for the image capture devices. The image capture devices may receive the alignment recommendations and output them to a preview display for manual alignment and/or to an automated adjustment system for automated alignment. Additionally, the image capture devices may transfer preview image data to the master device, wherein fine alignment recommendations may be made based on the preview image data. | 06-19-2014 |
20140192785 | MITIGATING OVERLAPPING BASIC SERVICE SET INTERFERENCE IN SMART GRID NETWORKS - Systems and methods for implementing a mitigation of overlapping basic service set (OBSS) interference are disclosed. Synchronization of access point (AP) devices may be based upon a transmission synchronization function (TSF) offset between the AP devices. In an implementation, collaboration between the AP devices may include exchanging of beacon schedule frames through a controller, or over the air media access. | 07-10-2014 |
20140196140 | PEER TO PEER NETWORKING AND SHARING SYSTEMS AND METHODS - An embodiment includes peer-to-peer (P2P) pairing protocols that mutually authenticate both end points and do not rely upon a backend server or a central certificate provisioning server. An embodiment provides a persistent control path for sending inter-peer control information (e.g., synchronization messages). Another inter-peer path includes an “on-demand” data path enabled when a unit determines content is ready for sharing. After the content is shared, the data path may be deconstructed, which saves resources on both sides and makes the framework more scalable. Also, embodiments include graphical user avatars to whereby a first peer shares content with a second peer by dragging content over the avatar. | 07-10-2014 |
20140198723 | METHOD AND APPARATUS FOR MEDIUM ACCESS GROUP ASSIGNMENT - Systems and methods for implementing a medium access group assignment of stations (STAs) are disclosed. An access point (AP) device may be configured to allocate a chosen beacon interval to a medium access group (MAG). Further, the AP device may assign STAs to different MAGs. After assignment to a particular MAG, the STAs that are associated to the particular MAG may use the configured beacon interval during transmission and reception of messages. | 07-17-2014 |
20140204858 | TECHNIQUES FOR UL MU MIMO SIGNALING AND ERROR HANDLING - An embodiment of the present invention provides a wireless station (STA), comprising a transceiver operable for communicating in a wireless network, wherein the transceiver is adapted to use signaling that enables the wireless station to communicate necessary information including a desired modulation coding scheme (MCS). | 07-24-2014 |
20140205116 | SYSTEM, DEVICE, AND METHOD FOR ESTABLISHING A MICROPHONE ARRAY USING COMPUTING DEVICES - A system, device, and method for generating an audio output includes a master computing device and a plurality of client computing devices. Each client computing device includes a microphone to record audio signals. The client computing devices generate audio data based on the audio signals and transmit the audio data to the master computing device. The master computing device generates a final, higher quality audio output as a function of the audio data received from collection of participating the client computing devices. | 07-24-2014 |
20140244723 | SYSTEMS AND METHODS FOR CROSS-LAYER SECURE CONNECTION SET UP - Described herein are systems and methods for establishing a secure communications channel between electronic devices. In some embodiments, the secure data channel includes a secure layer | 08-28-2014 |
20140293013 | COLLABORATIVE IMAGE CONTROL - Systems and methods of conducting collaborative sessions between mobile devices may provide for determining a time delay associated with a set of participating mobile devices, and determining a command execution time based at least in part on a clock of a managing device and the time delay. One or more control messages may be transmitted to the participating mobile devices, wherein the control messages include the command and the command execution time. Upon receiving a control message, each participating mobile device may determine a local execution time based at least in part on the command execution time and an offset of the clock of the managing device relative to a local clock. Execution of the command can therefore be coordinated across the set of participating mobile devices. | 10-02-2014 |
20140369303 | METHOD AND APPARATUS FOR COLLISION DETECTION IN WIDER BANDWIDTH OPERATION - Embodiments of systems and methods for providing collision detection in a wider bandwidth are generally described herein. Other embodiments may be described and claimed. | 12-18-2014 |
20150023171 | DEVICE, SYSTEM AND METHOD OF SCHEDULING COMMUNICATIONS WITH A GROUP OF WIRELESS COMMUNICATION UNITS - Some demonstrative embodiments include devices, systems and/or methods of scheduling communications with a group of wireless communication devices. For example, a wireless communication unit may transmit at least one scheduling frame including an indication of a downlink period allocated for simultaneous transmission from the wireless communication unit to at least one group of a plurality of wireless communication devices, wherein the wireless communication unit is to simultaneously transmit a plurality of different wireless communication transmissions to the plurality of wireless communication devices of the group during the downlink period. Other embodiments are described and claimed. | 01-22-2015 |