Patent application number | Description | Published |
20080311855 | INTELLIGENT CONNECTIVITY FRAMEWORK FOR THE SIMULTANEOUS USE OF MULTIPLE INTERFACES - A system and method comprising a framework configured to enable wireless devices to intelligently and simultaneously use multiple wireless interfaces of the wireless devices. | 12-18-2008 |
20090019505 | STREAMING VIDEO OVER MULTIPLE NETWORK INTERFACES - The preferred embodiments provide a system and/or method that exploits the presence of multiple interfaces to provide high quality video streaming (or real time streaming). The proposed solution includes three specific strategies 1) receiver buffer management, 2) selective re-transmission of packets and 3) dynamic load balancing across interfaces to achieve high quality video streaming across multiple interfaces. | 01-15-2009 |
20090232010 | METHOD AND APPARATUS OF CONNECTIVITY RECOVERY IN A WIRELESS NETWORK - A wireless communication device and a method of operating an antenna training process to discover first and second communication paths between at least two stations, to rank according to a quality criterion transmitting and receiving modes of an antenna, to report best transmitting mode and best receiving mode for transmitting and receiving signals over said first and second communication paths and to establish a communication link on a selected communication path based on the quality of the transmitting mode and said receiving mode. | 09-17-2009 |
20090232035 | Beaconing and frame structure for directional antenna communications - In a wireless communications network containing network devices capable of both directional and omnidirectional communications, a network controller may arrange a series of superframes into groups of multiple consecutive superframes, in which only one superframe in each group contains an omnidirectional beacon, and the remainder of the superframes in the group contain only directional beacons. | 09-17-2009 |
20090233554 | Mitigation of internetwork interference - When a device in one wireless network receives interfering transmissions from an overlapping neighboring network, the neighboring network may be notified of the interference so that non-interfering schedules can be worked out. In one embodiment, the device receiving the interference may broadcast its own communications schedule. Device(s) in the interfering network may pick up that schedule, and pass it on to their controller, which can rearrange its own network schedule to be non-interfering. In another embodiment, the device receiving the interference may notify its own network controller with the pertinent information, and that controller may contact the controller of the interfering network to coordinate non-interfering schedules. | 09-17-2009 |
20090233635 | Discovering neighbors in wireless personal area networks - A neighbor discovery protocol enables a network coordinator to provide time periods during which different classes of devices produce training sequences. The coordinator can transmit information about these time periods in a plurality of different directions so that in-range devices with directional antenna systems receive the communication. The coordinator can also compile interference reports during the neighbor discovery period and thereafter. These reports may be useful in determining whether or not spatial reuse is appropriate between two particular nodes in a given link, in a particular direction. | 09-17-2009 |
20100142495 | APPARATUS AND METHOD OF COMMUNICATION IN A WIRELESS NETWORK - A wireless communication device and a method of communication in a wireless personal area network (WPAN) are provided. The method includes assigning a shared channel time allocation across one or more neighbored networks, announcing the shared channel time allocation to the one or more neighbored networks enabling the neighbored network use the shared channel time allocation and communicating using a directional network access protocol on the shared channel time allocation which is towered directed to a communicated device. | 06-10-2010 |
20100220699 | Medium reservation protocol for directional wireless networks - Two wireless communications devices in a wireless network may reserve a period of time for directional data communications between themselves during a Contention Access Period. The technique may include transmitting Clear-to-Send messages to each other, and to any other devices with which either has established a directional link, to prevent interfering transmissions from these other devices. Other devices that have not established a directional link with either of these two may overhear the CTS messages and also refrain from transmitting interfering signals during the reserved time period. | 09-02-2010 |
20100331028 | Radio resource measurement techniques in directional wireless networks - Techniques for radio resource measurement (RRM) that support directionality, as well as scheduled media access techniques are described. For instance, a measurement request may be transmitted from a first device to a second device. This measurement request directs the second device to take one or more measurements of a wireless channel. Various characteristics for the one or more measurements may be included in the measurement request. For example, the measurement request may indicate at least one directional parameter and at least one timing parameter for the one or more measurements. In response to the request, the first device receives a measure report that includes measured values for each of the one or more measurements. | 12-30-2010 |
20110144941 | POSITION DETERMINATION BASED ON PROPAGATION DELAY DIFFERENCES OF MULTIPLE SIGNALS RECEIVED AT MULTIPLE SENSORS - Methods and systems to determine at multi-dimensional coordinates of an object based on propagation delay differences of multiple signals received from the object by each of a plurality of sensors. The signals may include optical signals in a human visible spectrum, which may be amplitude modulated with corresponding frequency tones. An envelope may be detected with respect to each of the sensors, and signals within each envelope may be separated. A phase difference of arrival may be determined for each of the signals, based on a difference in propagation delay times of the signal with respect to multiple sensors. The phase differences of arrival may be converted to corresponding distance differences between a corresponding transmitter and the corresponding sensors. A linear distance and a perpendicular offset distance may be determined from a combination the distance differences, a distance between the corresponding transmitters, and a distance between the corresponding sensors. | 06-16-2011 |
20110261684 | METHOD AND APPARATUS OF CONNECTIVITY RECOVERY IN A WIRELESS NETWORK - A wireless communication device and a method of operating an antenna training process to discover first and second communication paths between at least two stations, to rank according to a quality criterion transmitting and receiving modes of an antenna, to report best transmitting mode and best receiving mode for transmitting and receiving signals over said first and second communication paths and to establish a communication link on a selected communication path based on the quality of the transmitting mode and said receiving mode. | 10-27-2011 |
20110321042 | Methods and Systems to Permit Multiple Virtual Machines to Separately Configure and Access a Physical Device - Methods and systems to permit multiple virtual machines (VMs) to separately configure and access a physical resource, substantially outside of a virtual machine monitor (VMM) that hosts the VMs. Each of a plurality of virtual machines (VMs) may access and configure the physical device through corresponding instances of a device driver that exposes controllable functions of the physical device within the VMs. VM-specific configuration parameters and connection information may be maintained for each of the VMs, outside of a VMM, to reconfigure or virtualize the physical device for each of the VMs with the corresponding VM-specific configuration parameters and connection information. Physical device virtualization augmentation features may be implemented within a combination of a physical device controller and a host device driver that executes outside of the VM. | 12-29-2011 |
20110321065 | Methods and Systems to Implement a Physical Device to Differentiate Amongst Multiple Virtual Machines of a Host Computer System - Methods and systems to implement a physical device to differentiate amongst multiple virtual machines (VM) of a computer system. The device may include a wireless network interface controller. VM differentiation may be performed with respect to configuration controls and/or data traffic. VM differentiation may be performed based on VM-specific identifiers (VM IDs). VM IDs may be identified within host application programming interface (API) headers of incoming configuration controls and data packets, and/or may be looked-up based on VM-specific MAC addresses associated with data packets. VM IDs may be inserted in API headers of outgoing controls and/or data packets to permit a host computer system to forward the controls and/or packets to appropriate VMs. VM IDs may be used look-up VM-specific configuration parameters and connection information to reconfigure the physical device on a per VM basis. VM IDs may be used look-up VM-specific security information with which to process data packets. | 12-29-2011 |
20120162633 | SYSTEMS AND METHODS FOR DETERMINING POSITION USING LIGHT SOURCES - A positioning system and method for determining a coordinate of an object may comprise a positioning transmitter system and a positioning receiver system. The positioning transmitter system includes at least four light sources and a master anchor to modulate the light sources to emit modulated light signals each having a modulation frequency. The positioning receiver system comprises a lens to focus the light signals onto an optical sensor, an envelope detector to receive a signal from the optical sensors and provide output signals corresponding to the modulation frequency, and positioning detection circuitry. The positioning detection circuitry receives calibration data; determines at least four phase difference of arrival (PDOA) pairs based on the output signals from the envelope detector; determines at least four phase corrected PDOA pairs based on the calibration data and the PDOA pairs; determines at least four linear distance differences based on the phase corrected PDOA pairs; and determines the coordinate of the object based on the linear distance differences and the calibration data. | 06-28-2012 |
20130017849 | MITIGATION OF INTERNETWORK INTERFERENCE - When a device in one wireless network receives interfering transmissions from an overlapping neighboring network, the neighboring network may be notified of the interference so that non-interfering schedules can be worked out. In one embodiment, the device receiving, the interference may broadcast its own communications schedule. Device(s) in the interfering network may pick up that schedule, and pass it on to their controller, which can rearrange its own network schedule to be non-interfering. In another embodiment, the device receiving the interference may notify its own network controller with the pertinent information, and that controller may contact the controller of the interfering network to coordinate non-interfering schedules. | 01-17-2013 |
20140001265 | METHOD AND SYSTEM FOR DECODING SMALL SIZED BARCODES FROM BLURRED IMAGES | 01-02-2014 |
20140003655 | METHOD, APPARATUS AND SYSTEM FOR PROVIDING IMAGE DATA TO REPRESENT INVENTORY | 01-02-2014 |
20140003727 | IMAGE-AUGMENTED INVENTORY MANAGEMENT AND WAYFINDING | 01-02-2014 |
20140003823 | METHODS AND ARRANGEMENTS FOR GENERATING A WAVEFORM FOR FREQUENCY SHIFT KEYING COMMUNICATIONS | 01-02-2014 |
20140006907 | METHODS AND ARRANGEMENTS FOR ERROR CORRECTION IN DECODING DATA FROM AN ELECTROMAGNETIC RADIATOR | 01-02-2014 |
20140093234 | METHODS AND APPARATUS FOR MULTIPHASE SAMPLING OF MODULATED LIGHT - A light transmitter transmits multiple light packets, each formatted to include a same message comprising a series of bits, each bit represented as light that is intensity modulated over a bit period at a frequency indicative of the bit. The light packets are transmitted at different start-times to establish different phases, one for each of the light packets, to permit a light receiver to sample each message at a different phase of a fixed sample timeline that is asynchronous to the bit period and the frequency. The light receiver samples the multiple light packets based on the sample timeline, to sample each received message at one of the different sample phases, then constructs a best series of bits based on the multiple demodulated messages. | 04-03-2014 |
20140098794 | DYNAMIC NETWORK SELECTION USING KERNELS - A method for determining whether to perform vertical handoff between multiple network. The method comprises obtaining a plurality of selection metrics for each network, calculating, for each of the other communication networks, a predicted utility value from at least the corresponding plurality of selection metrics using a variable kernel regression function, obtaining, for the current communication network, a second plurality of selection metrics; calculating a second predicted utility value for the current communication network from at least the corresponding second plurality of selection metrics using a second variable kernel regression function, comparing each of the predicted utility values for each of the plurality of other communication networks with the second predicted utility value and switching to one of the other communication networks having the highest predicted utility value, if the highest predicted utility value is greater than the second predicted utility value. | 04-10-2014 |
20140364134 | RADIO RESOURCE MEASUREMENT TECHNIQUES IN DIRECTIONAL WIRELESS NETWORKS - Techniques for radio resource measurement (RRM) that support directionality, as well as scheduled media access techniques are described. For instance, a measurement request may be transmitted from a first device to a second device. This measurement request directs the second device to take one or more measurements of a wireless channel. Various characteristics for the one or more measurements may be included in the measurement request. For example, the measurement request may indicate at least one directional parameter and at least one timing parameter for the one or more measurements. In response to the request, the first device receives a measure report that includes measured values for each of the one or more measurements. | 12-11-2014 |