Patent application number | Description | Published |
20080267113 | RS-BASED NETWORK TRANSMISSION METHOD - A Relay System (RS)-based cellular network transmission method for MT having a function of single input and single output is provided. The method includes transmitting broadcast information to all RSs and Mobile Terminals (MTs); transmitting required data to each RS in an Orthogonal Frequency Division Multiplexing (OFDM) mode; performing the operations of selection of modulation scheme, addition of CP, addition of symbols for channel estimation and selection of OFDM symbols; feeding feedback information to the Base Station (BS); transmitting a synchronization request to the BS; transmitting a synchronization acknowledgement to the RS; transmitting information to each MT belonging to the BS; transmitting information to each MT belonging to the RS; the MT belonging to the BS transmitting ACK/NACK information to the BS; the MT belonging to the RS transmitting ACK/NACK information to the BS; and the BS informing the RS of the received ACK/NACK information. | 10-30-2008 |
20080298296 | METHOD FOR TRANSMITTING MULTICAST DATA IN WIMAX/WIBRO RELAY SYSTEM - A method for transmitting multicast data in a WiMax/WiBro relay system, including transmitting carrier-interference-noise ratios from UEs to corresponding Relays; selecting the minimum value among the carrier-interference-noise ratios; determining the modulation and coding mode according to the selected minimum value; transmitting the modulation and coding mode to BS; selecting a modulation and coding mode with a highest rate for multicast data on an access link; transmitting the final modulation and coding mode to the Relays; and transmitting data via the access link with the modulation and coding mode determined by the BS. | 12-04-2008 |
20100097973 | METHOD AND APPARATUS FOR IDLE MODE NOTIFICATION IN CELLULAR COMMUNICATIONS SYSTEM - An apparatus and method for idle mode notification in a cellular communications system is provided. A user transmits, prior to entering an idle mode, a de-registration request message to a Base Station (BS) which then transmits a Dynamic Service Addition REQuest (DSA-REQ) message to the user and adds the user to a multicast group for the idle mode, and enters the idle mode. The BS transmits an idle mode notification to the user using a Multicast/Broadcast Service MAP (MBS_MAP), and the user receives the idle mode notification, wherein the user switches to a unicast carrier to perform network reentry if the idle mode notification is a network reentry notification. The idle mode notification is considered as a service of an MBS type. When a user enters the idle mode, the BS actively invites the user to join the multicast group for idle mode notification if the MBS operates on a dedicated carrier. | 04-22-2010 |
20100208642 | INTELLIGENT ASSISTED TRANSMISSION METHOD FOR MULTICAST BROADCAST SERVICE - An intelligent assisted transmission method is provided. In the method, a Multicast and Broadcast Service (MCBCS) Server transmits Multicast Broadcast Service (MBS) data to a base station in an MBS area. The base station transmits the MBS data to a user equipment. If the user equipment cannot correctly receive the MBS data, it returns a Not Acknowledgement (NACK) message to the base station. The base station transmits an intelligent assisted transmission prompt to the MCBCS Server. The MCBCS Server transmits an intelligent assisted transmission request to adjacent base stations of the base station. When the intelligent assisted transmission request is received, the adjacent base stations return an intelligent assisted transmission response. The MCBCS Server transmits the MBS data to the adjacent base stations, and the adjacent base stations transmit the MBS data to the user equipment. | 08-19-2010 |
20100214973 | METHOD FOR FORWARDING DIRECT MESSAGE IN PARTIAL FUNCTION OFDMA RELAY SYSTEM - A method for forwarding direct message in partial function OFDMA relay system is proposed in present invention. In present invention, the operations like forwarding and reflecting are fixed for the PFRS. Therefore, the BS performs scheduling according to the fixed operations so as to make the PFRS actually has the function of direct message forwarding. | 08-26-2010 |
20100284322 | SYSTEM AND METHOD FOR TRANSMITTING DOWNLINK SCHEDULE IN WIMAX/WIBRO RELAY SYSTEM - A system and method for transmitting downlink schedule in a WiMax/WiBro relay system is proposed in present invention. In present invention, the task of transmitting the schedule is dispersed from the BS to both of the BS and RS so that several RS may transmit the schedule items simultaneously and therefore the resource of the system is saved. | 11-11-2010 |
20110051676 | APPARATUS AND METHOD FOR RESOURCE SELECTION IN OFDMA SYSTEMS - A base station for use in a wireless network that communicates with mobile stations according to the IEEE 802.16 | 03-03-2011 |
20120204226 | Method, Super Node-Core (SN-C) Node and System for Requesting and Storing Distributed Service Network (DSN) Authentication Information - A method, Super Node-Core (SN-C) node and Distributed Service Network (DSN) authentication system for requesting and storing DSN authentication information are provided, wherein the method for requesting the DSN authentication information includes: according to a user access request, judging whether a local SN-C node stores the authentication information of the user; when the local SN-C node stores the authentication information, initiating an authentication process directly; when the local SN-C node does not store the authentication information, requesting the authentication information from other SN-C nodes which store the authentication information of the user. The method, SN-C node and DSN authentication system for requesting and storing the DSN authentication information, by means of the distributed storage and authentication of the authentication information of the user, can acquire the authentication information from other SN-C nodes when a failure occurs in one of the SN-C nodes, and reduce the risk that a single authentication server is unable to perform the authentication and operation caused by the failure. | 08-09-2012 |
20120263254 | METHOD FOR TRANSMITTING PILOT SIGNAL IN MULTI-CARRIER WIRELESS TRANSMISSION SYSTEM - The present invention provides a method for transmitting pilots in a multi-carrier wireless transmission system. A wireless time-frequency transmission block is composed of N consecutive OFDM symbols in time domain and M consecutive physical sub-carriers in frequency domain, N and M are integers those are greater than or equal to 1. The method includes: partitioning the wireless time-frequency transmission block into several areas, and determining the position of pilots, of which the total number is a preset number, according to the time-frequency domain balancing principle of pilots of various antennas in various areas; inserting pilots at the pilot positions of each antenna corresponding to the antenna for transmission. In accordance with the present invention, the simultaneous transmission of multiple antennas is supported in a wireless time-frequency transmission block of a multi-carrier wireless transmission system. | 10-18-2012 |
20120289273 | METHOD AND APPARATUS FOR GENERATING/PARSING RESOURCE ALLOCATION INDICATION MESSAGE - A method, a transmitter and a receiver for generating a resource allocation indication message are provided. The method includes, if M serving zones provide one of at least two service types, mapping each of one of N and N−1 resource units to a resource mapping identity represented by one bit, and generating the resource allocation indication message using at least one resource mapping identity, wherein the resource allocation indication message indicates the allocation of N resource units numbered for M serving zones, wherein the M is an integer equal to or larger than 1, and wherein the N is an integer equal to or larger than M. | 11-15-2012 |
20140122955 | PRBS TEST MEMORY INTERFACE CONSIDERING DDR BURST OPERATION - A method of testing an interconnect between an electronic component and an external memory comprises receiving a data word having data bits and translating the data word into multiple cycles. The multiple cycles are transmitted through the interconnect to the external memory one after another such that a value of the data bit being transmitted is switched for each cycle. In another embodiment, an electronic component comprises an interface, a translation unit, and a test module. The translation module is configured to receive a burst from the external memory through the interface and is configured to translate the burst into a data word. The test module is configured to receive the data word from the translation module and is configured to compare the data word to a test pattern to detect an interconnect defect. | 05-01-2014 |
Patent application number | Description | Published |
20100014781 | Example-Based Two-Dimensional to Three-Dimensional Image Conversion Method, Computer Readable Medium Therefor, and System - An example-based 2D to 3D image conversion method, a computer readable medium therefor, and a system are provided. The embodiments are based on an image database with depth information or with which depth information can be generated. With respect to a 2D image to be converted into 3D content, a matched background image is found from the database. In addition, graph-based segmentation and comparison techniques are employed to detect the foreground of the 2D image so that the relative depth map can be generated from the foreground and background information. Therefore, the 3D content can be provided with the 2D image plus the depth information. Thus, users can rapidly obtain the 3D content from the 2D image automatically and the rendering of the 3D content can be achieved. | 01-21-2010 |
20100097455 | CLEAR PATH DETECTION USING A VANISHING POINT - A method for estimating a vanishing point in a roadway using a current image generated by a camera on a vehicle includes defining an exemplary vanishing point for each of a plurality of sample images, identifying features within each of the plurality of sample images, monitoring the current image generated by the camera, identifying features within the current image, matching the current image to at least one of the sample images based upon the identified features within the current image and the identified features within the plurality of sample images, determining a vanishing point based upon the matching and the exemplary vanishing points for each of the matched sample images, and utilizing the vanishing point to navigate the vehicle. | 04-22-2010 |
20100097457 | CLEAR PATH DETECTION WITH PATCH SMOOTHING APPROACH - A method for detecting a clear path of travel for a vehicle utilizing analysis of an image generated by a camera device located upon the vehicle includes monitoring the image, identifying through patch-based clear path detection analysis of the image a first patch within the image that indicates a not clear path, analyzing the first patch through patch smoothing, invalidating the first patch based upon the analyzing the first patch through patch smoothing, utilizing the invalidated first patch to define a clear path of travel for the vehicle, and utilizing the clear path of travel to navigate the vehicle. | 04-22-2010 |
20100097458 | CLEAR PATH DETECTION USING AN EXAMPLE-BASED APPROACH - A method for detecting a clear path of travel for a vehicle using a current image generated by a camera includes defining an exemplary clear path for each of a plurality of sample images, identifying features within each of the plurality of sample images, monitoring the current image generated by the camera, identifying features within the current image, matching the current image to at least one of the sample images based upon the identified features within the current image and the identified features within the plurality of sample images, determining a clear path of travel based upon the matching and the exemplary clear path for each of the matched sample images, and utilizing the clear path of travel to navigate the vehicle. | 04-22-2010 |
20100104137 | CLEAR PATH DETECTION USING PATCH APPROACH - A method for detecting a clear path of travel for a vehicle utilizing an image generated by a camera device located upon the vehicle includes monitoring the image, and generating a plurality of patches onto the image, wherein the patches are collectively arranged to substantially include the clear path of travel. Feature extraction is utilized to analyze the patches and includes convolving each of the patches with a feature detection filter generating a feature-based filter response, extracting features based upon the feature-based filter response, and determining each of the patches to represent the clear path of travel or to not represent the clear path of travel based upon the extracted features. The clear path of travel is determined based upon the plurality of patches, and is utilized to navigate the vehicle. | 04-29-2010 |
20120008019 | Shadow Removal in an Image Captured by a Vehicle-Based Camera Using an Optimized Oriented Linear Axis - A method is provided for removing an illumination generated shadow in a captured image. Each pixel of the captured input image is plotted on a two dimensional logarithmic graph. A linear axis for the plurality of color sets is determined that is substantially orthogonal to a respective illumination direction of each respective color set. A log-chromaticity value of each plotted pixel is projected on the axis. An orientation of the linear axis is selected to minimize an illumination effect and provide optimum separation between each of the respective color sets on the linear axis. Edges in the input image and illumination invariant image domain are identified. The identified edges of the input image are compared to identify edges in the illumination invariant image domain. A determination is made whether a shadow edge is present in response to the comparison. A shadow-reduced image is generated for scene analysis by a vehicle vision-based system. | 01-12-2012 |
20120008020 | Shadow Removal in an Image Captured by a Vehicle Based Camera Using a Non-Linear Illumination-Invariant Kernel - A method is provided for removing an illumination generated shadow in a captured image. An image is captured by an image capture device. Each pixel of the captured image is represented by a respective color value in a logarithmic graph. A non-linear illumination-invariant kernel is determined. An illumination direction for each respective color set is determined in the logarithmic graph that is orthogonal to the non-linear illumination-invariant kernel. A log-chromaticity value of each plotted pixel is projected on the non-linear illumination-invariant kernel. Edges are identified in the input image. Edges are identified in the illumination-invariant image domain. The identified edges are compared. A determination is made whether a shadow is present in response to an edge identified in the input image and an absence of a correlating edge in the illumination-invariant image domain. A shadow-reduced image is generated for scene analysis by a vehicle vision-based system. | 01-12-2012 |
20120008021 | Shadow Removal in an Image Captured by a Vehicle-Based Camera for Clear Path Detection - A method for is provided for creating a shadow-reduced image from a captured image for distinguishing a clear path of travel. Each pixel of a captured input image is plotted according to a two dimensional logarithmic graph. A specific color set relating to an associated color value of a clear path. A linear illumination-invariant axis is determined as a function of the specific color set. An illumination direction for the linear illumination-invariant axis is determined. A log-chromaticity value of each plotted pixel of the specific color set is projected on the axis. Edges in the input image and the illumination-invariant image domain are identified. The identified edges of the input image are compared to identify edges in the illumination-invariant image domain. A determination is made whether a shadow edge is present in response to comparing the edges. A shadow-reduced image is generated for scene analysis by a vehicle vision-based system. | 01-12-2012 |
20140314279 | CLEAR PATH DETECTION USING AN EXAMPLE-BASED APPROACH - A method for detecting a clear path of travel for a vehicle using a current image generated by a camera includes defining an exemplary vanishing point for each of a plurality of sample images. Features within each of the plurality of sample images are identified, the current image generated by the camera is monitored, and features within the current image are identified. The current image is matched to at least one of the sample images based upon the identified features within the current image and the identified features within the plurality of sample images. A vanishing point for the current image is determined based upon the matching and the exemplary vanishing point for each of the matched sample images. The vanishing point for the current image is utilized to define a clear path of travel, and the clear path of travel is utilized to navigate the vehicle. | 10-23-2014 |
Patent application number | Description | Published |
20140280356 | APPARATUS AND METHOD FOR USING FIELDS IN N-SPACE TRANSLATION OF STORAGE REQUESTS - A translation system can translate a request having multiple fields to a physical address using the fields as indexes to a multi-dimensional graph. A field or portion of a field can represent a location along an axis. When combined together, the fields can represent a point in n-space, where n is the number of axes. In some embodiments, a nearest neighbor calculation can be sufficient along an axis. Therefore, a point in n-space defined by the fields can be translated along an axis until a nearest neighbor entry is determined. When the entry is determined, the entry can be accessed to determine a correct response to the translation request. | 09-18-2014 |
20140281312 | APPARATUS AND METHOD FOR TRANSLATION FROM MULTI-DIMENSIONAL TOLINEAR ADDRESS SPACE IN STORAGE - A translation system can translate a storage request having multiple fields to a physical address using the fields as keys to traverse a map. By using a map table, multiple storage services can be condensed into a single map traversal. The map can be made of nodes that include one or more node entries. The node entries can be stored in a hashed storage area or sorted storage area of a node. A node entry of root nodes or inner nodes can include a link to a next node. A node entry of a leaf node can include a physical address. Using the request fields as a key to a node, a node entry can be determined. A pointer in a root node entry or inner node entry can be followed to a next node. A physical address in a leaf node can be the translation of the storage request. | 09-18-2014 |
20140281313 | APPARATUS AND METHOD FOR CLONING AND SNAPSHOTTING IN MULTI-DIMENSIONAL TO LINEAR ADDRESS SPACE TRANSLATION - A translation system can translate a storage request to a physical address using fields as keys to traverse a map of nodes with node entries. A node entry can include a link to a next node or a physical address. Using a portion of the key as noted in node metadata, a node entry can be determined. When snapshotting a dataset, a snapshot value can be updated in a root node entry. New data can be added under the new snaphsot value, preventing overwriting of the prior data, providing deduplication and quick snapshotting. When cloning a dataset, a new root node entry can be made for the clone. The new root entry can reference the original root entry of the original dataset. Metadata of nodes of the clone branch can identify whether the current branch contains updated data or whether the data exists off of the original root entry. | 09-18-2014 |
20140281315 | MASS STORAGE DEVICE AND METHOD OF OPERATING THE SAME TO BACK UP DATA STORED IN VOLATILE MEMORY - A mass storage memory device is disclosed. The device includes a nonvolatile memory, a volatile memory configured to store logical to physical (L2P) data associating logical addresses of data stored in the nonvolatile memory with physical locations of the nonvolatile memory at which the data is stored, and a controller. The controller writes L2P data in the nonvolatile memory so the L2P data can be preserved through a power failure. The controller also writes L2P data stored in the nonvolatile memory to the volatile memory to rebuild the L2P table. | 09-18-2014 |
20140281359 | APPARATUS AND METHOD FOR REFERENCING DENSE AND SPARSE INFORMATION IN MULTI-DIMENSIONAL TO LINEAR ADDRESS SPACE TRANSLATION - A translation system can translate a storage request having multiple fields to a physical address using the fields as keys to traverse a map. The map can be made of nodes that include one or more node entries. The node entries can be stored in a hashed storage area or sorted storage area of a node. A hashed storage area can enable a quick lookup of densely addressed information by using a portion of the key to determine a location of a node entry. A sorted storage area can enable compact storage of sparse information by storing node entries that currently exist and allowing the entries to be searched. By offering both types of storage in a node, a node can be optimized for both dense and sparse information. A node entry can include a link to a next node or the physical address for the storage request. | 09-18-2014 |
20140281360 | APPARATUS AND METHOD FOR INSERTION AND DELETION IN MULTI-DIMENSIONAL TO LINEAR ADDRESS SPACE TRANSLATION - A translation system can translate a storage request to a physical address using fields as keys to traverse a map of nodes with node entries. A node entry can include a link to a next node or a physical address. Using a portion of the key as noted in node metadata, a node entry can be determined. When adding node entries to a node, a node utilization can exceed a threshold value. A new node can be created such that node entries are split between the original and new node. Node metadata of the parent node, new node and original node can be revised to identify which parts of the key are used to identify a node entry. When removing node entries from a node, node utilization can cross a minimum threshold value. Node entries from the node can be merged with a sibling, or the map can be rebalanced. | 09-18-2014 |
20150121025 | WRITABLE CLONE DATA STRUCTURE - A memory system including parent data and clone data is disclosed, where the clone data represents a clone of the parent data. The system determines whether clone data to be accessed is different from corresponding data in the parent. The system also determines a physical location of the data to be accessed based on whether the data to be accessed is different from the corresponding parent data. The system also accesses the data based on the physical location. | 04-30-2015 |