| Patent application number | Description | Published |
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| 20100100791 | System and method for low complexity raptor codes for multimedia broadcast/multicast service - A system and method for encoding symbols in a wireless communication is provided. The system and method includes a transmitter configured to encode data transmissions. The transmitter includes a raptor encoder configured to perform a coding operation. The raptor encoder generates intermediate symbols without using a half-code such that the intermediate symbols consist of precoded symbols and parity symbols. Thereafter, the intermediate symbols are encoded using a Luby Transform to produce and output encoded symbols. The transmitter further is configured to transmit one or more of the source symbols, parity symbols or encoded symbols. | 04-22-2010 |
| 20100104034 | 8-Transmit antenna reference signal design for downlink communications in a wireless system - Systems and methods are disclosed for mapping reference signals for antenna ports in a plurality of resource blocks among resource blocks in a subframe within an orthogonal frequency division multiplexing (OFDM) communication system. This method includes selecting at least one predetermined resource elements for transmitting in the plurality of resource blocks using a first number of antenna ports. This method also includes selecting a second number of antenna ports and mapping a plurality of reference signals relating to the second number of antenna ports using a second number of OFDM symbols. | 04-29-2010 |
| 20100135242 | METHOD AND SYSTEM FOR REFERENCE SIGNAL PATTERN DESIGN - A base station comprising an allocator configured to allocate a plurality of dedicated reference (DR) signals to selected resource elements. In the even-numbered time slot in a first resource block, a first group of DR signals are: i) allocated to a first group of adjacent resource elements; and ii) allocated to a second group of adjacent resource elements. In the contiguous odd-numbered time slot in the first resource block, the first group of DR signals are allocated to a third group of adjacent resource elements. In the even-numbered time slot in a second resource block, the first group of adjacent DR signals are allocated to a fourth group of resource elements. In the contiguous odd-numbered time slot in the second resource block, the first group of DR signals are: i) allocated to a fifth group of adjacent resource elements; and ii) allocated to a sixth group of adjacent resource elements. | 06-03-2010 |
| 20110047433 | SYSTEM AND METHOD FOR STRUCTURED LDPC CODE FAMILY WITH FIXED CODE LENGTH AND NO PUNCTURING - A family of low density parity check (LDPC) codes is generated based on a mother code having a highest code rate. The low density parity check (LDPC) codes include a codeword size of at least 1344. The LDPC codes also include a plurality of parity bits in a lower triangular form. The mother code is constructed by: selecting m number of rows and n number of columns; setting maximum column weights and row weights; designing a protograph matrix based on the set column weights and row weights and selected m and n; and selecting circulant blocks based on the protograph matrix. | 02-24-2011 |
| 20110066916 | SYSTEM AND METHOD FOR STRUCTURED LDPC CODE FAMILY - A low density parity check (LDPC) family of codes is constructed by: determining a protograph for a mother code for the LDPC family of codes. The protograph is lifted by a lifting factor to design code specific protograph for a code. The method also includes constructing a base matrix for the code. The base matrix is constructed by replacing each zero in the code specific protograph with a ‘−1’; and replacing each one in the code specific protograph with a corresponding value from the mother matrix. The LDPC code includes a codeword size of at least 1344, a plurality of information bits, and a plurality of parity bits. The LDPC code is based on a mother code of code length 672. | 03-17-2011 |
| 20110154155 | SYSTEM AND METHOD FOR CODING AND INTERLEAVING FOR SHORT FRAME SUPPORT IN VISIBLE LIGHT COMMUNICATION - A transmitter is capable of performing both Galois Field (GF) (16) and GF (256) encoding in a visual light communication system. The transmitter includes a GF (256) encoder. The transmitter also includes a first bit mapper configured to map a first number of bits to a second number of bits. The Galois Field (256) encoder is configured to receive and encode the second number of bits. The transmitter also includes a second bit mapper configured to map the second number of bits to the first number of bits. The transmitter also includes an interleaver unit that can pad bits based on a frame size and puncture the bits after interleaving and prior to transmission. | 06-23-2011 |
| 20110219279 | APPLICATION LAYER FEC FRAMEWORK FOR WiGig - A method and apparatus perform forward error correction in a wireless communication device in a wireless communication network. Application layer forward error correction (AL-FEC) capability information is transmitted during a capabilities exchange. A set of source packets are reshaped to k equal-sized source symbols. Systematic packets for the source symbols and at least one parity packet is encoded using a single parity check (SPC) AL-FEC code on the k source symbols. A header of each encoded packet includes a parity packet indicator. The encoded packets are processed in a media access control (MAC) layer and a physical (PHY) layer for transmission. | 09-08-2011 |
| 20110307760 | METHOD AND APPARATUS FOR PARALLEL PROCESSING IN A GIGABIT LDPC DECODER - A receiver for use in a wireless communications network capable of decoding encoded transmissions. The receiver comprises receive path circuitry for receiving and downconverting an incoming radio frequency (RF) signal to produce an encoded received signal; and a low-density parity check (LDPC) decoder associated with the receive path circuitry for decoding the encoded received signal. The LDPC decoder further comprises a memory for storing a parity check H matrix comprising R rows and C columns, where each element of the parity check H matrix comprises one of a shift value or a −1 value; and a plurality of processing elements for performing LDPC layered decoding, wherein at least one processing element is operable to process in the same cycle a first row and a second row of the parity check H matrix. | 12-15-2011 |
| 20120084625 | APPARATUS AND METHOD FOR DECODING LDPC CODES IN A COMMUNICATIONS SYSTEM - An apparatus and method decode LDPC code. The apparatus includes a memory and a number of LDPC processing elements. The memory is configured to receive a LDPC codeword having a length equal to a lifting factor times a base LDPC code length, wherein the lifting factor is greater than one. The number of LDPC processing elements configured to decode the LDPC codeword, wherein each of the number of LDPC processing elements decode separate portions of the LDPC codeword. | 04-05-2012 |
| 20120198305 | METHODS AND APPARATUS FOR FAST SYNCHRONIZATION USING QUASI-CYCLIC LOW-DENSITY PARITY-CHECK (QC-LDPC) CODES - For use in a wireless communication network, a transmitter is configured to encode information. The transmitter includes a cyclic redundancy check (CRC) encoder configured to encode a physical broadcast channel (PBCH) message using a cyclic redundancy check. The transmitter also includes a timing dependent cyclic shift block configured to encode information in the PBCH message. The transmitter further includes a quasi-cyclic low-density parity-check (QC-LDPC) encoder configured to encode the PBCH message using a QC-LDPC. | 08-02-2012 |
| 20120240001 | LDPC CODE FAMILY FOR MILLIMETER-WAVE BAND COMMUNICATIONS IN A WIRELESS NETWORK - A method constructs a family of low-density-parity-check (LDPC) codes. The method includes identifying a code rate for an LDPC code in the family, identifying a protograph for the LDPC code, and constructing a base matrix for the LDPC code. The base matrix is constructed by replacing each zero in the protograph with a ‘−1’, selecting a corresponding value for an absolute shift for each one in the protograph based on constraining a number of relative shifts per column of the LDPC code to one and increasing a size of a smallest cycle in a graph of the LDPC code, and replacing each one in the protograph with the corresponding value. | 09-20-2012 |
| 20130028341 | COMBINING BASEBAND PROCESSING AND RADIO FREQUENCY BEAM STEERING IN WIRELESS COMMUNICATION SYSTEMS - A method and apparatus enable combined baseband (BB) and radio frequency (RF) processing of signals. The method includes receiving, by a receiver, channel estimation information for a channel between a transmitter and the receiver. The method includes identifying a plurality of paths in the channel based on the channel estimation information. The method includes calculating an RF precoding matrix for precoding one or more signals to be transmitted on each of the identified paths. The RF precoding matrix includes a phase shift for each of the identified paths. Additionally, the method includes calculating a BB precoding matrix for precoding the one or more signals by a BB precoding unit associated with the transmitter. | 01-31-2013 |
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| 20080244514 | Scriptable object model for network based services - A scripting model may include links to web based services by including an interface associated with each web based service. The interface may perform various functions used to exchange information with a web based service, such as discovery, addressing, connection, configuration, authentication, and other functions. The web based service may be used in a similar manner as a local service within the scripting model, including automatic memory management, bounds checking, data translation, and other features of scripting. | 10-02-2008 |
| 20090177646 | Plug-In for Health Monitoring System - A monitoring and management system may use a plugin mechanism to add or update an interface to a managed service or device. The plugin may have capability to interface with the managed service or device, as well as an interface to a status database that may be populated by the managed service or device as well as other services or devices. The plugin may have rules that may be used to determine a status for the monitored service or device based on the statuses of several services or devices, and may also have rules that define a multi level query into the database to determine those services and devices. | 07-09-2009 |
| Patent application number | Description | Published |
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| 20080260125 | System and method of providing caller identification information - Systems and methods for providing caller identification information are provided. A method of providing caller identification information may include receiving caller identification information associated with a first communication device at a video processing device via a wireless communication. The method may also include selecting a first display profile associated with the first communication device from a plurality of display profiles. The method may also include generating a display in accordance with the first display profile. The display may include data related to the caller identification information. | 10-23-2008 |
| 20080280601 | System and Method for Spoken Caller Identification in a Cellular Telephone Headset - A spoken caller identification system comprises a headset and mobile communication device. The mobile communication device sends the caller identification to the headset upon a determination that the headset is in communication with the mobile communication device. | 11-13-2008 |
| 20080305802 | SYSTEM AND METHOD FOR AUGMENTING WIRELESS COVERAGE FOR COMMUNICATION DEVICES - A system and method for augmenting wireless coverage for communication devices is disclosed. A system that incorporates teachings of the present disclosure may include, for example, a set-top box (STB) having a multimedia subsystem, a cellular transceiver, and a controller element. The controller element can be used to manage the operation of the multimedia subsystem and the cellular transceiver, wirelessly detect a cellular communication device in a vicinity of the cellular transceiver, and provide the cellular communication device access to one or more cellular networks using the cellular transceiver and an exterior antenna coupled to the STB. Additional embodiments are disclosed. | 12-11-2008 |
| 20080305827 | System and method for obtaining product information through a cellular telephone - A mobile communication device scans a barcode of a product and comprises a scanner, a processing module, and a receiving module. The scanner scans the barcode. The processing module is in communication with the scanner, and sends a coded information received from the scanner to an information provider. The receiving module is in communication with the processing module, and receives a product information from the information provider as a voice message and sends the product information to the processing module. | 12-11-2008 |
| 20090089839 | SYSTEMS AND METHODS OF PROCESSING PROGRAMMING WISH LIST DATA - Systems and methods to process program wish list data are provided. A system includes a media receiver adapted to receive media content from a media distribution system and a recording module responsive to the media receiver. The system also includes a program guide module to receive a published program guide identifying media content available to be distributed via the media distribution system. The system further includes a wish list module to generate wish list data including identifying information associated with at least one program. The at least one program is not listed in the published program guide when the wish list data is generated. The system also includes a reporting module to report information related to the wish list data to a remote network element. | 04-02-2009 |
| 20090111442 | System and Method for Playing User-Defined Ring Tones Over a Cellular Telephone Headset - A caller identification system comprises a headset and a mobile communication device. The headset is operably configured to play a ring tone caller identification to a user. The mobile communication device is operably configured to send the ring tone caller identification to the headset upon a determination that the headset is in communication with the mobile communication device. | 04-30-2009 |
| 20100077436 | SYNCHRONIZED HOME AND VEHICLE AUDIO VISUAL SYSTEM AND METHOD - A system that incorporates teachings of the present disclosure may include, for example, a controller to update a profile of preferences and recordings maintained at a central server when a user modifies preferences and recordings at a customer premises at a digital video recorder (DVR) or set top box (STB) with respect to a video on demand system via a link through the Internet and when a user modifies preferences and recordings with a video on demand system within a vehicle. The controller can also enable downloading audio-visual information synchronized with the video on demand system via a first wireless communication system to the vehicle in response to requests sent using a second wireless communication system. Other embodiments are disclosed. | 03-25-2010 |
| 20110081899 | Mobile Device Panic Function with Recordability - Devices, systems and methods are disclosed which relate to recording a conversation on a portable communications device. This allows the user to press a panic button or a series of buttons on their portable communications device to begin recording the conversation. This conversation may be stored on a memory of the portable communications device or in a network in communication with the portable communications device. With the conversation recorded, there is a record of what was said during the call. This record may later be used if necessary. | 04-07-2011 |
