Patent application number | Description | Published |
20100088798 | Assisting Muscle Contraction for Enhancing Athletic Performance - A specialized article of clothing is configured to enhance speed and/or accuracy of a golf swing or baseball swing. The clothing employs tension and/or flexure members configured to enhance muscle function, thereby increasing muscular strength and/or speed for improving athletic performance. The tension and/or flexure members provide for storage and release of strain energy during a wearers movement. The article of clothing may be configured for alternative movements, including throwing, jumping, and running. The article of clothing may be adapted to reduce strain on fatigued or injured muscles, or it may be configured to limit the range of motion of a joint, such as to prevent injury. | 04-15-2010 |
20140241296 | Cooperative Wireless Networks - A cooperative multi-user multiple input, multiple output (MIMO) system coordinates spatially distributed transceiver stations for communicating with wireless client devices. The system comprises a network interface communicatively coupled to the transceiver stations via a backhaul network, which may comprise a wireless local area network. A MIMO processor pre-codes N | 08-28-2014 |
20140247895 | Cooperative Wireless Networks - A cooperative multi-user multiple input, multiple output (MIMO) system coordinates spatially distributed network transceiver nodes for communicating with wireless client devices. A MIMO processor pre-codes data for transmission from the network transceiver nodes, wherein the pre-coding comprises subspace coding derived from channel measurements between the network transceiver nodes and the wireless client devices. A network controller coordinates the network transceiver nodes to transmit simultaneous non-interfering channels within a common frequency to the wireless client devices such that each client device receives a subspace-coded transmission from each of the network transceiver nodes. The client devices and/or the network transceiver nodes may be selected based on channel state information and/or measured channel quality. | 09-04-2014 |
20150023202 | Cooperative Wireless Networks - A cooperative multi-user multiple input, multiple output (MIMO) system coordinates wireless client devices to provide cooperative uplink transmissions. A group of wireless client devices is selected based on their channel state information such that their uplink transmissions are uncorrelated. All of the client devices in the group transmit data on the same set of OFDM subcarriers. Channel state information is also communicated to at least one base transceiver along with the data. The channel state information may be measured by the wireless client devices, or the channel state information may be determined from pilot tones transmitted by the wireless client devices and received by at least one base transceiver. A cooperative-MIMO processing system communicatively coupled to at least one base transceiver processes the received uplink transmissions and the channel state information to separate received interfering signals via subspace de-multiplexing. | 01-22-2015 |
Patent application number | Description | Published |
20080285631 | SPREAD SPECTRUM COMMUNICATION METHOD AND SYSTEM USING DIVERSITY CORRELATION AND MULTI-USER DETECTION - A communication system transmits and receives a plurality of spread-spectrum signals having differences in at least one diversity parameter. The signals are highly correlated when their diversity parameters are similar, and the signals are uncorrelated when at least one diversity parameter is different Any combination of a transmitter, a receiver, and a communication channel may diversity-encode the signals to effect differences in their diversity parameters. A receiver diversity-decoder compensates for differences in a diversity-parameter of at least one received signal to make the signal highly correlated with at least one other received signal. A correlator combines at least two of the received signals to recover an embedded information signal. The communication system enables the use of true-noise signals for spreading information signals, provides simplified receiver designs, and enables antenna arrays to spatially process spread-spectrum signals. | 11-20-2008 |
20080310484 | Software Adaptable High Performance Multicarrier Transmission Protocol - Techniques for reducing peak-to-average power in multicarrier transmitters employ peak cancellation with subcarriers that are impaired by existing channel conditions. The use of Carrier Interferometry (CI) coding further improves the effectiveness of peak reduction. CI coding can also be impressed onto pulse sequences in the time domain, which enhances spectral selection and facilitates peak-power control. | 12-18-2008 |
20150009945 | Sharing Resources Between Wireless Networks - A node in a first wireless network requests a radio communication channel from a second wireless network. Upon receiving a channel assignment, nodes in the first network employ the assigned channel for communicating in a manner that is transparent to the second network. Communications via the second wireless network may initiate communications in the first wireless network, keep the assigned channel reserved, communicate network control messages for the first wireless network, transmit a decoy signal, and/or communicate a reference signal. Antenna array processing can prevent the first and second wireless networks from interfering with each other. | 01-08-2015 |
Patent application number | Description | Published |
20110213879 | Multi-level Decision Support in a Content Delivery Network - A content delivery network (CDN) is provided with a multi-tiered decision-support system. Client-side metrics managers collect link-performance data from client devices for formulating requests for network resources from the CDN. Network-node metrics managers broker the network resources from the CDN to the clients based on data collected from the client-side metrics managers. A node-cloud metrics manager distributes the network resources between a plurality of network nodes based on data collected from the network-node metrics managers. When the CDN includes a wireless network, formulating the requests and/or brokering the network resources may be adapted based on network performance data corresponding to the wireless network. | 09-01-2011 |
20110214059 | Media Distribution in a Content Delivery Network - A control board residing in a content delivery network interacts with a canvas display on a client device. The canvas displays a plurality of user-selectable client devices and a plurality of user-selectable media resources. The control board comprises a media routing module that is responsive to the client-device canvas for displaying available media resources for each of the client devices. The control board also comprises a media rendering module that is responsive to a user's selection of at least one client device and at least one media resource for providing device-specific configuring of the selected media resource. The control board may comprise a canvas display module responsive to at least one of the media routing module, the media rendering module, and the canvas for configuring the canvas display. | 09-01-2011 |
20110214061 | User Interface for Managing Client Devices - In a content delivery network, a client-side graphical user interface displays a plurality of media widgets associated with a plurality of user-selectable media channels and a plurality of device widgets associated with a plurality of user-selectable client devices. A user control is configurable for interacting with the media widgets and the device widgets, and enables a user to move a presentation of a selected media channel from a first client device to at least a second client device. A media channel processor configures the selected media channel for presentation on the client devices. | 09-01-2011 |
20140098685 | Content Delivery in Wireless Wide Area Networks - Selecting an edge-server set in a wireless network comprises generating channel-quality measurements of wireless links between available nodes; determining a network topology state based on the measurements; calculating a performance metric for each candidate edge-server set; and selecting a candidate edge-server set based on the performance metric. An iterative process may be employed for selecting the best edge-server set. The iterative process may employ a trellis-exploration algorithm. A back-pressure routing algorithm may be used to calculate the performance metric. A server processes a request from a client residing on a wireless network by determining if another client on the wireless network has the requested object; determining if the requesting client can communicatively couple to the other client; and directing the request to the other client. | 04-10-2014 |
20140140188 | Cooperative Subspace Multiplexing in Communication Networks - A source node selects a plurality of transmitting nodes to cooperatively encode a set of original packets to transfer to a destination node. Encoding produces a plurality of coded packets and a corresponding code matrix of coefficients. The coded packets and the corresponding code matrix comprise a set of independent equations of independent variables in a system of linear equations, wherein the independent variables comprise the original packets. A destination node may select a set of receiving nodes to cooperatively receive the transmissions. The destination node collects the coded packets and code matrix from the receiving nodes, which provide a sufficient number of independent equations for decoding the original packets. Decoding comprises calculating a solution for the system of linear equations. | 05-22-2014 |
20140140189 | Cooperative Subspace Demultiplexing in Communication Networks - A source node selects a plurality of transmitting nodes to cooperatively encode a set of original packets to transfer to a destination node. Encoding produces a plurality of coded packets and a corresponding code matrix of coefficients. The coded packets and the corresponding code matrix comprise a set of independent equations of independent variables in a system of linear equations, wherein the independent variables comprise the original packets. A destination node may select a set of receiving nodes to cooperatively receive the transmissions. The destination node collects the coded packets and code matrix from the receiving nodes, which provide a sufficient number of independent equations for decoding the original packets. Decoding comprises calculating a solution for the system of linear equations. | 05-22-2014 |
20140146916 | Cooperative Subspace Multiplexing in Content Delivery Networks - A source node selects a plurality of original data components to transfer to at least one destination node. A plurality of transmitting nodes cooperatively encodes the original data components to generate a plurality of subspace coded components and a corresponding code matrix. Each of the transmitting nodes transmits a subset of the plurality of subspace coded components and corresponding code matrix, wherein at least one of the transmitting nodes has a rank that is insufficient for decoding the plurality of subspace coded components. A destination node may employ a plurality of receiving nodes to cooperatively receive a plurality of subspace coded components and their corresponding code vectors, wherein the rank of at least one of the receiving nodes is insufficient for decoding the coded components. The destination node builds up the dimension of the subspace spanned by code vectors it collects from the receiving nodes so it can decode the coded components. | 05-29-2014 |
20140146924 | Cooperative Subspace Demultiplexing in Content Delivery Networks - A source node selects a plurality of original data components to transfer to at least one destination node. A plurality of transmitting nodes cooperatively encodes the original data components to generate a plurality of subspace coded components and a corresponding code matrix. Each of the transmitting nodes transmits a subset of the plurality of subspace coded components and corresponding code matrix, wherein at least one of the transmitting nodes has a rank that is insufficient for decoding the plurality of subspace coded components. A destination node may employ a plurality of receiving nodes to cooperatively receive a plurality of subspace coded components and their corresponding code vectors, wherein the rank of at least one of the receiving nodes is insufficient for decoding the subspace coded components. The destination node builds up the dimension of the subspace spanned by code vectors it collects from the receiving nodes and then decodes the subspace coded components. | 05-29-2014 |
20140219449 | LPI/LPD Communication Systems - A node in a first network requests a communication channel from a second network. Upon receiving a channel assignment, nodes in the first network employ the assigned channel for communicating in a manner that is transparent to the second network. A transmitting node selects a decoy data signal as a carrier signal, synthesizes data-bearing channel distortions; and distorts the carrier signal with the channel distortions prior to transmission. An undistorted version of the decoy data may be transmitted to an intended receiver. The receiver distinguishes between the synthesized data-bearing channel distortions and natural channel distortions to decrypt the data. In a MIMO system, the transmitter generates a MIMO precoding matrix from a message to be sent to the receiver and multiplies the decoy data signal vector with the MIMO precoding matrix. | 08-07-2014 |