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| Number | Title | Issue Date |
| 8179990 | Coding for large antenna arrays in MIMO networks A method transmits a sequence of symbols in a multiple-input multiple-output (MIMO) network including a transmitter having a set of transmit antennas and a receiver having a set of receive antennas. The sequence of symbols is represented by a vector S=[S1 | 05/15/2012 |
| 8179909 | Method and system for harmonizing QoS in home networks Packet in a multimedia stream has and associated standard priority level specified by standard protocols. The standard priority level in input packets received by a home gateway is converted to a harmonized priority level. Then, the input packets are processed in th... | 05/15/2012 |
| 8179300 | Method for suppressing clutter in space-time adaptive processing systems A method surpresses clutter in a space-time adaptive processing system. The method achieves low-complexity computation via two steps. First, the method utilizes an improved fast approximated power iteration method to compress the data into a much smaller subspace. T... | 05/15/2012 |
| 8179251 | Method and network for determining positions of wireless nodes while minimizing propagation of positioning errors A wireless sensor network includes an initial set of anchors at known locations, and a set of sensors at unknown locations. Ranges, from each sensor to at least three of the anchors, determine a position, an anchor ranging weight, and an anchor position weight. For ... | 05/15/2012 |
| 8175035 | Dynamic fractional frequency reuse in OFDMA networks A method allocates resources in an orthogonal frequency-division multiple access (OFDMA) network including a set of base stations (BSs), and a set of mobile stations (MSs) for each BS. Each cell includes a center and edge zone. A node weighted constraint graph is co... | 05/08/2012 |
| 8174374 | Method and system for coding digital information in lane markings using an optical sensor A road surface includes lane marking that store digital information. Images of the road surface and lane markings are acquired by a camera. The digital information is decoded from the images, analyzed so that a feedback signal can be generated according to the decod... | 05/08/2012 |
| 8165403 | Method and system for determining poses of specular objects A pose of an object is determine by acquiring sets of images of the object by a camera, wherein the object has a thread arranged on a surface such that a local region of the object appears substantially spherical, wherein the camera is at a different point of view f... | 04/24/2012 |
| 8165098 | Method for allocating resources in cell-edge bands of OFDMA networks A method allocates bandwidth from a radio frequency spectrum in a cellular network including a set of cells. Each cell includes a base station for serving a set of mobile stations in the cell. An area around each base station is partitioned into a center region and ... | 04/24/2012 |
| 8165058 | Protocol data units and header in multihop relay network The invention provides a data structure embodied in a computer readable media. The data structure is a protocol data packet (PDU) communicated in a mobile multihop network between stations. The data structure includes a relay media access header, a payload and an op... | 04/24/2012 |
| 8160396 | Method and apparatus for touching-up images A method and camera apparatus touches up a source image to produce a target image. The source image is partitioned into non-overlapping tiles of pixels. Each tile is labeled. A probability distribution of the labels is inferred, in which the probability distribution... | 04/17/2012 |
| 8159983 | Communicating packets in a wireless multi-user multi-hop relay networks A method communicates packets in a relay network. Multiple packets are communicated between a set of mobile stations and a relay station using a set of connections. There is one connection between each mobile station and the relay station. The multiple packets are a... | 04/17/2012 |
| 8155447 | Determining points of parabolic curvature on surfaces of specular objects Embodiments of the invention disclose a system and a method for determining points of parabolic curvature on a surface of a specular object from a set of images of the object is acquired by a camera under a relative motion between a camera-object pair and the enviro... | 04/10/2012 |
| 8155166 | Reducing inter-carrier-interference in OFDM networks Embodiments of the invention disclose a system and a method for reducing inter-carrier interference (ICI) in a network, wherein the network uses orthogonal frequency division multiplexing (OFDM). The method generates, in a transmitter, a diversified signal, wherein ... | 04/10/2012 |
| 8155088 | System and method for opportunistic cell edge selection in multi-cell MIMO OFDMA networks A method for allocating resources in an orthogonal frequency division multiple access (OFDMA) network, where each cell in the network has a center region and an edge region. The cell center region uses a frequency band orthogonal to the frequency band used by the ce... | 04/10/2012 |
| 8155048 | Resource allocation for rateless transmissions A method transmits a message of a source entropy from a source node, via a set of relay nodes, to a destination node, the set of relay nodes includes a node and a next node connected by a wireless link, wherein the next node is guaranteed to receive accumulated nats... | 04/10/2012 |
| 8155044 | Method for broadcasting alert message in mobile multi-hop networks using inferred distance prioritization A method and system broadcasts an alert packet in a wireless multi-hop network of nodes. An event is sensed in a source node of the network, and an alert packet is broadcast in response to sensing the event. The alert packet is received in a set of candidate nodes w... | 04/10/2012 |
| 8149278 | System and method for modeling movement of objects using probabilistic graphs obtained from surveillance data A method and system tracks models and predict object movement in an environment. Sequences of temporally and spatially adjacent events sensed by the set of sensors are linked to form a set of tracklets. Each tracklet has an associated starting and terminating locati... | 04/03/2012 |
| 8144657 | Clustering based resource allocation in multi-cell OFDMA networks A method allocates resource in an Orthogonal Frequency-Division Multiple Access (OFDMA) network, including a set of Base Stations (BSs) and a set of Mobile Stations (MSs) for each BS. OFDMA frame are constructed as multiple resource blocks, and each resource block c... | 03/27/2012 |
| 8140450 | Active learning method for multi-class classifiers A method trains a multi-class classifier by iteratively performing the following steps until a termination condition is reached. The probabilities of class membership for unlabeled data obtained from an active pool of unlabeled data are estimated. A difference betwe... | 03/20/2012 |
| 8139888 | Method for filtering of images with bilateral filters and power images The current invention describes a method for filtering an input image with a bilateral filter. The bilateral filter includes a spatial filter and a range filter. The method constructs a set of power images from an input image including pixels, each pixel having inte... | 03/20/2012 |
| 8139668 | Unified STTC encoder for WAVE transceivers A transmitter encodes an input bitstream using space-time trellis coding (STTC). The encoder includes a serial to parallel convertor to produce a first and second output bitstreams. First and second three bit shift registers are connected to produce first and second... | 03/20/2012 |
| 8138963 | Method for detecting targets using space-time adaptive processing and shared knowledge of the environment A method detects a target in a radar signal using space-time adaptive processing. A test statistic is T = max α ... | 03/20/2012 |
| 8134786 | Method and system for determining projections in non-central catadioptric optical systems Embodiment of invention discloses a system and a method for determining a three-dimensional (3D) location of a folding point of a ray between a point in a scene (PS) and a center of projection (COP) of a camera of a catadioptric system. One embodiment maps the catad... | 03/13/2012 |
| 8126405 | Method for estimating condition of wireless channels A method measures a time from transmitting a ranging signal to receiving the ranging signal via a channel of a wireless network, and a received signal strength (RSS) of the ranging signal. A distance is estimated based on the time, and a path loss based on the RSS. ... | 02/28/2012 |
| 8121805 | Method and system for determining locations of moving objects with maximum length sequences A location of an object is determined by arranging a sequence of bits on a substrate. The sequence of bits includes subsequence of bits, and each subsequence of bits is unique for each location along the substrate. When the object is at a particular location along t... | 02/21/2012 |
| 8108325 | Method and system for classifying data in system with limited memory Embodiments of the invention describe a method for classifying data in a system with limited memory. The method applies exemplar learning (EL) procedures to a training data set to produce an exemplar data set adapted to the size of the memory. The EL procedure is se... | 01/31/2012 |
| 8107729 | Method for improving character outlines using multiple alignment zones A method aligns a character to a sampling grid of an image, where an outline of the character is specified by input pen commands. Points and contours of the input pen commands are determined. An orientation of each contour is determined. A first directed acyclic gra... | 01/31/2012 |
| 8107721 | Method and system for determining poses of semi-specular objects A camera acquires a set of coded images and a set of flash images of a semi-specular object. The coded images are acquired while scanning the object with a laser beam pattern, and the flash images are acquired while illuminating the object with a set of light source... | 01/31/2012 |
| 8107541 | Method and system for video segmentation A method segments a video. Audio frames of the video are classified with labels. Dominant labels are assigned to successive time intervals of consecutive labels. A semantic description is constructed for sliding time windows of the successive time intervals, in whic... | 01/31/2012 |
| 8103931 | Method for constructing large-girth quasi-cyclic low-density parity-check codes A method constructs a code, wherein the code is a large-girth quasi-cyclic low-density parity-check code. A base matrix is selected for the code. A cost matrix corresponding to the base matrix is determined. A single element in the base is changed repeatedly maximiz... | 01/24/2012 |
| 8102397 | Method for improving uniform width character strokes using multiple alignment zones A method aligns a character to a sampling grid of an image. An original uniform width path that traces a skeleton of the character is specified by input pen commands having original coordinates. The width of the original path is rounded to a nearest integer to produ... | 01/24/2012 |
| 8098611 | Relay coded multi-user cooperative communications for uplink 4G wireless networks Source nodes in an International Mobile Telecommunications (IMT)-advanced 4G network transmit data on uplink channels to a relay node and a BS using a channel code. The relay node decodes independently the data received from each source node, and applies network cod... | 01/17/2012 |
| 8094621 | Fast handover protocols for WiMAX networks A method performs handover of a mobile station (MS from a current base station (BSC) connected to a target base station (BST) via a backbone in a Worldwide interoperability for Microwave Access (WiMAX) mobile communication network. The MS, before handover, transmits... | 01/10/2012 |
| 8089856 | Zero correlation zone based preamble for oversampled OFDM networks in URWIN In an oversampled orthogonal frequency-division multiplexing (OFDM) orthogonal network, the preamble used for time synchronization does not have an ideal autocorrelation function due to guard bands, which degrade the accuracy of symbol timing. Therefore, a zero-corr... | 01/03/2012 |
| 8088055 | Plan-based medical image registration for radiotherapy A method determines an error in aligning a patient with a radiation beam. A planning volume V is acquired during treatment planning, and a treatment volume I is acquired during treatment. For each point r in the planning volume and treatment volume to be aligned by ... | 01/03/2012 |
| 8086272 | Wireless networks incorporating antenna selection based on received sounding reference signals A method and system selects antennas in a wireless network including a base station and user equipment (UE) transceivers. The base station specifies times and frequencies to transmit sounding reference signals (SRSs), and antennas to use to transmit the SRSs for the... | 12/27/2011 |
| 8085852 | Inverse tone mapping for bit-depth scalable image coding A method performs inverse tone mapping of an image in a decoder. For each block of each color channel of the image the following steps are performed. A scaling factor is determined for a current block of the image by adding a predicted scaling factor for the current... | 12/27/2011 |
| 8081836 | Method for filtering of images with bilateral filters and integral histograms The current invention describes a method for filtering an input image with a bilateral filter to produce an output image. The bilateral filter includes a spatial filter and a range filter. The method comprising the steps of: constructing an integral histogram from a... | 12/20/2011 |
| 8081362 | Method and apparatus for stabilizing galvanometer scanner A galvanometer scanner includes a mechanical support unit engaged with a far end of an optical element. A near end of the optical element is connected to an output shaft of an electric rotary motor. The mechanical support unit maintains an alignment of an axis of ro... | 12/20/2011 |
| 8073071 | Hybrid automatic repeat requests coding in MIMO networks A method transmits a block of symbols in a multiple-input multiple-output (MIMO) network including a transmitter having a set of transmit antennas and a receiver having a set of receive antennas. A block of symbols is coded with a first code to generate a first bloc... | 12/06/2011 |
