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3183 results about "Channel data" patented technology

Data channel An information route and associated circuitry that is used for the passing of data between systems or parts of systems. In an interface that has a number of parallel channels the channels are usually separately dedicated to the passing of a single type of information, e.g. data or control information.

High efficiency high performance communications system employing multi-carrier modulation

Transmitter and receiver units for use in a communications system and configurable to provide antenna, frequency, or temporal diversity, or a combination thereof, for transmitted signals. The transmitter unit includes a system data processor, one or more modulators, and one or more antennas. The system data processor receives and partitions an input data stream into a number of channel data streams and further processes the channel data streams to generate one or more modulation symbol vector streams. Each modulation symbol vector stream includes a sequence of modulation symbol vectors representative of data in one or more channel data streams. Each modulator receives and modulates a respective modulation symbol vector stream to provide an RF modulated signal, and each antenna receives and transmits a respective RF modulated signal. Each modulator may include an inverse (fast) Fourier transform (IFFT) and a cyclic prefix generator. The IFFT generates time-domain representations of the modulation symbol vectors, and the cyclic prefix generator repeats a portion of the time-domain representation of each modulation symbol vector. The channel data streams are modulated using multi-carrier modulation, e.g., OFDM modulation. Time division multiplexing (TDM) may also be used to increase flexibility.
Owner:QUALCOMM INC

Multiplexing of real time services and non-real time services for OFDM systems

Transmitter and receiver units for use in an OFDM communications system and configurable to support multiple types of services. The transmitter unit includes one or more encoders, a symbol mapping element, and a modulator. Each encoder receives and codes a respective channel data stream to generate a corresponding coded data stream. The symbol mapping element receives and maps data from the coded data streams to generate modulation symbol vectors, with each modulation symbol vector including a set of data values used to modulate a set of tones to generate an OFDM symbol. The modulator modulates the modulation symbol vectors to provide a modulated signal suitable for transmission. The data from each coded data stream is mapped to a respective set of one or more “circuits”. Each circuit can be defined to include a number of tones from a number of OFDM symbols, a number of tones from a single OFDM symbol, all tones from one or more OFDM symbols, or some other combination of tones. The circuits can have equal size or different sizes. Different circuits can be used for full rate data (e.g., active speech) and low rate data (e.g., silence periods).
Owner:QUALCOMM INC

Method and apparatus for network content distribution using a personal server approach

A method and apparatus providing network content distribution using a personal server approach is disclosed. A receiving client is provided with a personal server that can select, aggregate, and organize one or more channels of content in a virtual display space of the client. Selection, aggregation, and organization information is stored only locally. Raw data representing content is stored at a logically separate server across a network. Periodically the personal server requests updated content from the server and stores the content in a local channel database. The personal server synthesizes or generates one or more electronic documents containing the content, based on user-defined virtual space specifications and page organization information. The personal server then presents the electronic documents to a browser or other client element. Unlike past approaches that involve distributing fully formatted content to clients, the personal server can receive raw data, replace tokens in the raw data with other content, obtain embedded channel data, and render pages locally, using a conventional browser, without requiring use of a proprietary viewer, and without sending channel selections and other personal information across the network to an untrusted server.
Owner:TAMIRAS PER PTE LTD LLC

Selection of communication connections in hearing aids

A hearing aid and a corresponding method are provided in which address data and / or channel data with respect to a plurality of signal sources are stored in a memory of the hearing aid. As a result of a priority-driven address management system, the hearing aid user can very conveniently automatically engage in communication with an interface having the highest priority.
Owner:SIVANTOS PTE LTD

Architectures for a modularized data optimization engine and methods therefor

A data optimization engine disposed inline with a first communication channel and a second communication channel. The data optimization engine comprises a transmit interface circuit configured to receive a first data stream from the first communication channel and to obtain a first data file from the first data stream. The data optimization engine further includes an optimization processor coupled to the transmit interface circuit for receiving a second data file from the transmit interface circuit. The second data file represents the first data file after the first data file has been processed by the transmit interface circuit into a format suitable for optimization by the optimization processor. The optimization processor performs one of a compression and an encryption on the second data file, thereby obtaining all optimized data file. In one embodiment, the first data file is a Fiber Channel data frame. In another embodiment, the first data file is encoded using 10-bit encoding, the format suitable for optimization by the optimization processor is an 8-bit encoding protocol.
Owner:MIND FUSION LLC

FMOD transceivers including continuous and burst operated TDMA, FDMA, spread spectrum CDMA, WCDMA and CSMA

Binary and Quadrature Feher's Modulation (F-Modulation, or FMOD) Transmitter-Receiver systems and circuits exhibit reduced envelope fluctuation and peak radiation, and increased efficiency. A subclass of these systems has a constant envelope. They advantageously provide lower power operation with improved performance including robust BER performance, and compatibility with both linearly and nonlinearly amplified narrow spectrum, and without disadvantages of conventional BPSK, DBPSK QPSK and pi / 4-QPSK. Feher's BPSK (FBPSK) is an improved efficiency transmitter which is compatible with conventional BPSK receivers. FBPSK modems are based on using quadrature structure where Q-channel data is inserted in quadrature with I-channel data for certain applications. The Q-channel data may be “offset” from the I-channel data by an amount selectable between zero and a specified time. Further improvement in the spectrum is attained using correlation between I and Q channels. FBPSK modem is shown to meet the IEEE 802.11 specified spectral direct sequence spread spectrum mask (−30 dB point) for wireless LAN, and leads to an output power gain of 6.5 dB over conventional BPSK modems. The cross-coupled quadrature FMOD structure is also suitable for continuous mode and for burst operated TDMA, FDMA, CDMA, WCDMA and CSMA Frequency Modulation Quadrature AM (QAM), QPSK and offset QPSK, as well as pi / 4-shifted QPSK modems / processors. Reduced modulation index Gaussian FSK (GFSK), multilevel FM and cross-coupled Quadrature Amplitude Modulated (QAM) transmitters and combinations of these modulations and corresponding coherent demodulators are disclosed. Controlled rise and fall time descriptions of burst operated systems are included.
Owner:INTEL CORP

Broadcasting station data detector and broadcast receiver for moving body that search a channel map based on location

The present invention provides a system for a moving body which enables a user to know a receivable broadcast station at the current position in real time and to select smoothly a desired broadcast station in a receiver even in an unfamiliar area. This system includes a broadcast station data memory that stores the channel data of a receivable broadcast station for each area, and a main processing circuit which is responsive to the vehicle's current position sensed by a coordinate computing unit for referring to the channel data and for showing the channel data of a receivable broadcast station at the current position on a display.
Owner:SEIKO EPSON CORP

Transmitter system and transmitting method, receiver system and receiving method and transmission media

There is provided a system which allows information related to a broadcasting program to be processed efficiently. The program related information related to the certain program created on the transmitter side is composed of Event Data, Channel Data, Character Data, CM data and the like and is converted into EPG_contents_data. Further, display related information concerning on a layout and the like in displaying the program related information created on the transmitter side on a screen is composed of Layout Data, Color Data, Font Data and Operation Data and is converted into EPG_control_data. The receiver side generates EPG_management_data as necessary from the EPG_contents_data and the EPG_control_data transmitted from the transmitter side and generates EPG_display_data which is display information from the EPG_contents_data and the EPG_control_data.
Owner:SONY CORP

Proxy mobile station using assignable mobile identifier to access a wireless network

A proxy mobile station for retransmitting reverse channel signals from a mobile station to a base station of a wireless network. The proxy mobile station comprises: 1) a controller for receiving reverse channel data to be transmitted to the base station and transmitting the reverse channel data using an assigned mobile station identifier associated with the mobile station; and 2) a radio frequency transceiver for up-converting the encoded reverse channel data for transmission to the base station. The assigned mobile station is modifiable and may be modified by an external control device.
Owner:SAMSUNG ELECTRONICS CO LTD

Multiplexing of real time services and non-real time services for OFDM systems

Transmitter and receiver units for use in an OFDM communications system and configurable to support multiple types of services. The transmitter unit includes one or more encoders, a symbol mapping element, and a modulator. Each encoder receives and codes a respective channel data stream to generate a corresponding coded data stream. The symbol mapping element receives and maps data from the coded data streams to generate modulation symbol vectors, with each modulation symbol vector including a set of data values used to modulate a set of tones to generate an OFDM symbol. The modulator modulates the modulation symbol vectors to provide a modulated signal suitable for transmission. The data from each coded data stream is mapped to a respective set of one or more “circuits”. Each circuit can be defined to include a number of tones from a number of OFDM symbols, a number of tones from a single OFDM symbol, all tones from one or more OFDM symbols, or some other combination of tones. The circuits can have equal size or different sizes. Different circuits can be used for full rate data (e.g., active speech) and low rate data (e.g., silence periods).
Owner:QUALCOMM INC

Method and Device for Transmitting Low Rate Signals Over an Optical Transport Network

Embodiments of the present invention provide a method for transmitting low rate signals over an optical transport network, including: adapting the low rate signals into low rate optical channel data units of the same rate level with the low rate signals; asynchronously mapping each of the low rate optical channel data units into a low rate optical channel data tributary unit respectively, and generating justification overhead used for rate adaptation for each of the low rate optical channel data units; and forming a higher order optical channel data unit with at least one low rate optical channel data tributary unit and justification overhead corresponding to the low rate optical channel data tributary unit. The present invention enables the optical transport network to support mapping, multiplexing and highly efficient transmission of low rate signals.
Owner:HUAWEI TECH CO LTD

Method for transmitting ascending control information and method for calculating transmission parameter

ActiveCN101409894AGuaranteed performanceSystem performance guarantee caused by performance mismatchPower managementNetwork traffic/resource managementChannel dataInit
The invention provides a method for transferring uplink control information. The method comprises the steps as follows: when uplink shared channel data and the uplink control information are required to be transferred in an uplink shared channel PUSCH of a subframe i simultaneously, a user terminal obtains the transmission power P<PUSCH> (init) of primarily transferred uplink shared channel data and the transmission power P<PUSCH> (i) of the uplink shared channel data transferred in the subframe i; the user terminal confirms the symbol quantity of the uplink control information after being coded in the subframe i according to the comparison relation between P<PUSCH> (init) and P<PUSCH> (i) and the size and the bandwidth of a transmission block when the uplink shared channel data is transferred primarily; the user terminal codes the uplink control information according to the symbol quantity of the uplink control information after being coded and transfers the coded uplink control information to a base station in the PUSCH of the subframe i.
Owner:ZTE CORP

Method and apparatus for transporting a client layer signal over an optical transport network (OTN)

InactiveUS20060104309A1Solve the financial burdenDoubling capacityTime-division multiplexData switching by path configurationMultiplexingChannel data
In order to facilitate the transport of 1 Gbit / s Ethernet signals over an Optical Transport Network using the Optical Transport Hierarchy as specified by ITU-T G.709, a new OTH entity referred to as Optical Channel Data Unit-0 (ODU0, 101) with a capacity of approximately 1.22 Gbit / s is defined. This new entity fits perfectly into the existing OTH multiplexing structure, allowing the transport of two times a 1 Gbit / s Ethernet client layer signal within the capacity of one ODU1 (110), while being individually switchable. A 1 Gbit / s Ethernet signal (102) can be mapped into the ODU0 payload (103) using the Transparent Generic Framing Procedure (GFP-T) encapsulation technique as specified in Rec. G.7041.
Owner:RPX CORP

Hierarchical authentication process and system for financial transactions

The method of confirming an identity of a person who requests a financial transaction utilizes a plurality of confirmatory processes. Some of these processes include a voice responsive interactive session, an interactive electronic data session, acquiring and comparing a third set of acquired data with data from the person, and acquiring and comparing nth sets of acquiring data with data from the person. Each confirmatory process has time and cost factors associated therewith. The processes are prioritized and correlated to external factors such as the frequency of inquiry, communications channel data, the communications device, random selection criteria and sampling rate criteria. The financial transaction request is processed and cleared or rejected. Some acquired data is stored data and has a nominal cost and a substantially instantaneous. Other types of data are acquired from commercial data sources. Representative time and cost factors are utilized in order to establish a hierarchy of confirmatory processes based upon the external factors.
Owner:ANGEL ALBERT JUSTIN

Method and system for generating a fraud risk score using telephony channel based audio and non-audio data

Disclosed is a method for generating a fraud risk score representing a fraud risk associated with an individual, the method comprising: a) determining a telephony channel risk score from at least one of audio channel data and non-audio channel data of the individual; and b) generating the fraud risk score based on at least one of the telephony channel risk score, the audio channel data, and the non-audio channel data.
Owner:VERINT AMERICAS

Novel Karaoke and Multi-Channel Data Recording / Transmission Techniques via Wavefront Multiplexing and Demultiplexing

An advanced channel storage and retrieving system is achieved that is capable of simultaneously transporting multiple-stream data concurrently, with encryptions and error detection and limited correction capability using wavefront (WF) multiplexing (muxing) at the pre-processing and WF demultiplexing (de-muxing) in the post-processing. The WF muxing and demuxing processing can be applied for multiple signal streams with similar contents and format such as cable TV delivery systems or multiple signal streams with very distinct contents and format such as Karaoke multimedia systems. The stored or transported data are preprocessed by a WF muxing processor and are in the formats of multiple sub-channels. Signals in each sub-channel are results of unique linear combination of all the input signals streams. Conversely, an input signal stream is replicated and appears on all the sub-channels. Furthermore the replicated streams in various sub-channels are “linked” together by a unique phase weighting vector, which is called “wavefront” or WF. Various input signal streams will feature different WFs among their replicated signal streams in the sub-channels. The WF muxing processing is capable to generating a set of orthogonal WFs, and the WF demuxing processing is capable of reconstituting the input signal streams based on the retrieved sub-channel data only if the orthogonal characteristics of a set of WFs are preserved. Without the orthogonality among the WF, the signals in sub-channels are mixed and become effectively pseudo random noise. Therefore, an electronic locking mechanism in the preprocessing is implemented to make the WFs un-orthogonal among one another. Similarly, an electronic un-locking mechanism in the post-processing is implemented to restore the orthogonal characteristics among various WFs embedded in the sub-channel signals. Some of the phenomena due to the selected locking mechanisms are reproducible in nature, such as wave propagating effects, and other are distinctively man-made; such as switching sub-channel sequences. There are other conventional encryption techniques using public and private keys which can be applied in conjunction with the WF muxing and de-muxing processor, converting plain data streams into ciphered data streams which can be decoded back into the original plain data streams. An encryption algorithm along with a key is used in the encryption and decryption of data. As to the optional parallel to serial and serial to parallel conversions in the pre and post processing, respectively, we assume that transmissions with single carrier are more efficient than those with multiple carriers. We also assume single channel recording is more cost effective than multiple channel recording. However, there are occasions that continuous spectrum is hard to come-by. We may use fragmented spectrum for transmissions. There are techniques to convert wideband waveforms using continuous spectra into multiple fragmented sub-channels distributed on non-continuous frequency slots. Under these conditions we may replace the parallel to serial conversion processing by a frequency mapping processor.
Owner:SPATIAL DIGITAL SYST

System, method and channel line-up processor for localizing an electronic program guide schedule

A system for localizing an EPG program schedule, including an EPG service provider station including a database of channels and corresponding EPG program schedule information, a database manager identifying a plurality of channel line-ups potentially receivable at a viewing location, a transmitter, and a receiver, a multimedia viewer situated at the viewing location including an automatic channel line-up identifier identifying a first line-up of television channels receivable at the viewing location, a channel line-up processor at the viewing location calculating a channel line-up from among the plurality of channel line-ups that substantially matches the first line-up, a receiver receiving from the EPG service provider station the plurality of channel line-ups, and a transmitter transmitting to the EPG service provider station the identifier of the channel line-up calculated by the channel line-up processor, and a network connection linking the multimedia viewer to the EPG service provider, wherein the EPG service provider station transmitter transmits to the multimedia viewer the plurality of channel line-ups and also transmits to the multimedia viewer EPG program schedule information localized to the viewing location and based on the identifier of the channel line-up calculated by the channel line-up processor, and wherein the EPG service provider station receiver receives from the multimedia viewer the identifier of the calculated channel line-up, and wherein the multimedia viewer receiver also receives from the EPG service provider station the EPG program schedule information.
Owner:S AQUA SEMICONDUCTOR LLC

System with a plurality of media access control circuits with a shared memory for storing data and synchronizing data from a clock domain to a host clock domain

Integrated circuits are disclosed which implement multiple channel media access control devices for controlling network communications. The integrated circuits include multiple channel slices which output data for transmission through the network. Each of the channel data are input to a single data memory, which reduces the size of the integrated circuit. Since only one data memory is used to buffer data from multiple channels, the data are first retimed from individual media access control circuit clock domains to a common host clock domain and then scheduled for output to the host. By retiming the data, integrated circuit signal throughput is enhanced. Deeply embedded transmit and receive FIFOs are provided to receive the channel data and implement shared memory access.
Owner:AGERE SYST INC

Channelized oduflex systems and methods

Systems and methods to provide a channelized Optical channel Data Unit flexible (ODUflex) include receiving a signal; multiplexing the signal into a Tributary Slot (TS) of the channelized ODUflex, wherein the channelized ODUflex supports a variable number of TSs and a variable size; and mapping the channelized ODUflex into an Optical channel Transport Unit k / Cn (OTUk / Cn) (k=1, 2, 3, 4), (n=1, 2, 3, . . . ). A network element configured to operate in an OTN network includes one or more ports coupled to switching circuitry, wherein a first port is configured to receive a signal, wherein the switching circuitry is configured to multiplex the signal into a TS of a channelized ODUflex, wherein the channelized ODUflex supports a variable number of TSs and a variable size (rate), and wherein a second port is configured to map the channelized ODUflex into an OTUk / Cn.
Owner:CIENA

Wireless communication system with selectively sized data transport blocks

A wireless transmit receive unit (WTRU) for a code division multiple access (CDMA) telecommunication system utilizes a plurality of protocol layers including a physical layer and a medium access control (MAC) layer such that the MAC layer provides data to the physical layer via plurality of transport channels (TrCHs). Each TrCH is associated with a set of logical channels. The physical layer receives blocks of data for transport such that the transport blocks (TBs) includes a MAC header and logical channel data for a selected logical channel associated with a given TrCH. Each TB has one of a selected limited finite number of TB bit sizes. The logical channel data for each TB has a bit size evenly divisible by a selected integer N greater than three (3). The MAC header for each TB has a bit size such that the MAC header bit size plus the logical channel data bit size equals one of the TB bit sizes. A fixed MAC header bit size is associated with each logical channel for a given TrCH and is selected such that each fixed MAC header bit size equals M modulo N where M is an integer greater than 0 and less than N, i.e. each MAC header for a given TrCH has a bit offset equal to M. This permits physical layer padding of each TB with a predetermined number of bits such that the same number of padding bits are used for all TBs for the same TrCH whereby the total number of bits in the padded TBs are equally divisible by N to facilitate up link and down link communications.
Owner:INTERDIGITAL TECH CORP

Methods and systems for sending side-channel data during data inactive period

The present invention relates to a serial interface transmission system with more than one data line, in which the transmitted data has in-band and out-of-band characters. More particularly, the present invention relates to methods and systems for sending side channel data over a high-speed digital communications link, e.g., a video link. One embodiment of the invention provides a high-speed digital transmitter capable of sending side channel data. The transmitter includes a channel zero encoder, a multiplexer, data enable out (DEout) control logic, and a channel one encoder. The channel one encoder receives input from the channel one multiplexer and the channel one DEout control logic. Another embodiment of the invention provides a high-speed digital receiver capable of receiving side channel data. The receiver includes a channel zero decoder, a channel one decoder, DEI signal and FIFO control signal recovery logic, and a channel one de-multiplexer. The DEI signal and FIFO control signal recovery logic receives input from the channel one decoder. Similarly, the channel one demultiplexer receives input from the channel one decoder.
Owner:LATTICE SEMICON CORP

System and method of scheduling advertising content for dynamic insertion during playback of video on demand assets

Described are computer-based methods and apparatuses, including computer program products, for scheduling advertising content for dynamic insertion during play of video on demand assets. A virtual linear program channel is generated that is associated with a plurality of video on demand assets, the virtual linear program channel comprising data defining a plurality of predetermined time bins and a forecast number of views of the virtual channel assets within each of the time bins. The virtual linear program channel data is transmitted to a remote scheduling server. Advertising content and linear program channel scheduling instructions are received from the remote scheduling server, the linear program channel scheduling instructions identifying the virtual linear program channel and a selected time bin for insertion of the advertising content. The linear program channel scheduling instructions are translated into scheduling criteria for dynamically inserting the advertising content during playback of any of the virtual channel assets within the selected time bin.
Owner:SEACHANGE INTERNATIONAL

Apparatus and method for transmitting TFCI used for DSCH in a W-CDMA mobile communication system

Disclosed is a method for determining transmission power of a second TFCI bit indicating transport format information of data on a downlink shared channel transmitted from a selected Node B to a UE in a mobile communication system including the UE existing in a handover zone and a plurality of Node Bs in an active set of the UE. The Node Bs transmit dedicated channel data including a first TFCI bit to the UE over dedicated channels. A first Node B transmits dedicated channel data over a dedicated channel and transmits downlink shared channel data over the downlink shared channel. The first Node B determines a transmission power level of the second TFCI bit to be higher than a ratio of transmission power of the dedicated channel data from a Node B transmitting only the dedicated channel data to transmission power of the first TFCI bit.
Owner:SAMSUNG ELECTRONICS CO LTD

Method and apparatus of multiplexing a plurality of channels in a multimedia system

A method and apparatus for multiplexing a plurality of channels within a multimedia system includes processing that begins by receiving a plurality of channels from a multimedia source. The processing then continues by receiving a plurality of channel selection commands from client modules. The processing continues by selecting a channel of the plurality of channels for each of the channel selection commands to produce selected channels. As such, for each channel selection command, a corresponding channel is selected from the plurality of channels. The processing continues by encoding the selected channels based on a data conveyance protocol (e.g., encoding scheme and / or modulation scheme). The encoded channel data is then conveyed to a plurality of clients.
Owner:ROVI GUIDES INC

Lawful interception of multimedia calls

A method of performing lawful interception of a multimedia call between two or more terminals. The method comprises detecting the initiation of said call at monitoring equipment located in the call path, and forwarding from the monitoring equipment to a gateway, parameters defining at least one of the forward and reverse channels of said call. At least one multimedia call is set up from said gateway to a monitoring terminal in dependence upon the received parameters. Following the setting up of the first mentioned multimedia call, forward and / or reverse channel data is intercepted at said monitoring equipment, the intercepted data routed to said gateway, and the data transmitted to the monitoring terminal over the forward channel of the or each second mentioned multimedia call.
Owner:TELEFON AB LM ERICSSON (PUBL)

Audio Spatial Environment Engine

InactiveUS20070297519A1Improved and flexible conversionImproved distinctionSpeech analysisTransmissionFrequency spectrumSound quality
An audio spatial environment engine is provided for converting between different formats of audio data. The audio spatial environment engine (100) allows for flexible conversion between N-channel data and M-channel data and conversion from M-channel data back to N′-channel data, where N, M, and N′ are integers and where N is not necessarily equal to N′. For example, such systems could be used for the transmission or storage of surround sound data across a network or infrastructure designed for stereo sound data. The audio spatial environment engine provides improved and flexible conversions between different spatial environments due to an advanced dynamic down-mixing unit (102) and a high-resolution frequency band up-mixing unit (104). The dynamic down-mixing unit includes an intelligent: analysis and correction loop (108, 110) capable of correcting for spectral, temporal, and spatial inaccuracies common to many down-mixing methods. The up-mixing unit utilizes the extraction and analysis of important inter-channel spatial cues across high-resolution frequency bands to derive the spatial placement of different frequency elements. The down-mixing and up-mixing units, when used individually or as a system, provide improved sound quality and spatial distinction.
Owner:DTS

System and method for managing multiple content channels and engagement scoring

A system and method for managing multiple content channels and engagement scoring are disclosed. A particular embodiment includes providing, by use of a data processor, a user interface to enable a user to specify a plurality of channels of interest, the user interface further enabling the user to provide authentication credentials for each channel of the plurality of channels of interest; using the authentication credentials to automatically collect channel data from each of the plurality of channels of interest, the channel data including posts data, subscriber data, and subscriber activity data from each channel; augmenting the channel data with data collected from other content sources; processing the augmented channel data to produce an engagement score, the engagement score representing a degree to which a plurality of subscribers are involved in subscriber activity at the plurality of channels of interest; and presenting at least a portion of the processed augmented channel data and the engagement score to the user in one or more reports.
Owner:FLIPTOP A CORP OF +1
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