Class / Patent application number | Description | Number of patent applications / Date published |
375225000 | Data rate | 45 |
20080212663 | UNIVERSAL INTELLIGENT MODEM - In one general aspect, data transfer between the modem and a processor connected to the modem may be improved using a variable speed buffer. The variable speed buffer may include one or more first-in/first out buffers (FIFOs) and two interfaces. The FIFOs may be connected between the interfaces to form an input data path and an output data path. Each FIFO may store a complete message. Consequently, an entire message may be transferred from the processor at the processor's higher data rate without having to wait for a modulator to modulate the outgoing message at a slower data rate. The modem automatically may use characteristics of an incoming signal to detect which communications protocol is used to send a message, and perform protocol specific functions. The modem may perform system diagnostic functions to improve system performance. | 09-04-2008 |
20080219337 | Battery Apparatus, Battery Control Apparatus, and Motor Drive Unit - The present invention provides enhanced serial communication reliability in a situation where a plurality of cell controllers and a battery controller are daisy-chained to form a serial communication configuration. While the plurality of cell controllers and the battery controller are daisy-chained to form a serial communication configuration, the battery controller or each cell controller includes a communication speed detection means, which detects the communication speed of data input from an additional controller, and a reception timing correction means, which corrects the reception timing for data input from the additional controller in accordance with the communication speed detected by the communication speed detection means. | 09-11-2008 |
20080225933 | PROTOCOL-AGNOSTIC AUTOMATIC RATE NEGOTIATION FOR HIGH-SPEED SERIAL INTERFACE IN A PROGRAMMABLE LOGIC DEVICE - Automatic rate negotiation logic for a high speed serial interface in a programmable logic device determines whether multiple occurrences of a single-bit transition (i.e., a data transition from “0” to “1” to “0” or from “1” to “0” to “1”) occur within a predetermined time interval on a data channel of a high-speed serial interface. The interval preferably is selected such that multiple occurrences of a single-bit transition mean that the data channel is operating in full-rate mode. The rate negotiation logic may share a phase detector with clock data recovery circuitry in the interface. The phase detector may be a bang-bang phase detector specially adapted to detect single-bit transitions. | 09-18-2008 |
20080240215 | RESPONSE PROBABILITY CALCULATING DEVICE AND METHOD, AND BASE STATION CONTROL DEVICE AND COMMUNICATION SYSTEM USING THE SAME - There is provided a response probability calculating method for use in a communication system in which a response probability is sent from a communication network to a plurality of terminals, and the terminals report terminal information to the communication network according to the response probability, including a step of selecting a first calculation formula for monotonously increasing the response probability or a second calculation formula for calculating the response probability using the response probability sent at the previous time and the previous number of responses in accordance with the number of responses from the terminals, and a step of calculating the response probability in accordance with the selected calculation formula. | 10-02-2008 |
20080298447 | DETERMINING WIRELESS DATA RATES CAPABILITY FOR PACKET DATA COMMUNICATIONS - A wireless device, system, and method that determines data rate capability for communicating packet data is described. The wireless device comprises a RF component, a controller, and a means for enabling communications. The RF component is configured to communicate a plurality of packet data at a first data rate capability and a second data rate capability, in which the second data rate is faster than the first data rate. The controller is communicatively coupled to RF component, and the controller is configured to monitor a physical layer data field value, a forward traffic channel data field value, and a reverse traffic channel data field value. The physical layer data field value is associated with the physical transmission of packets from the RF component. The forward traffic channel data field value is associated with forward channel communications, and the reverse traffic channel data field value that is associated with reverse channel communications. The means for enabling communications at the second data rate capability occurs when the physical layer data field value, the forward traffic channel data field value, and the reverse traffic channel data field value indicate that communications are supported for the second data rate capability. | 12-04-2008 |
20090003422 | Methods and systems for detecting repetitive synchronized signal events - Repetitive synchronized signal events may be detected in received raw signal data that contains a signal. The type of signal, element length (or minimum interval) and/or other characteristics of such repetitive synchronized signal events may also be optionally determined. The disclosed methods and systems may be implemented for processing signals in real time as part of a receiver or transceiver system, or may be implemented by one or more computer processing components that are configured to process stored raw signal data or signal data received from another source, such as across a computer network. | 01-01-2009 |
20090074044 | COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, COMMUNICATION METHOD, INTEGRATED CIRCUIT AND CIRCUIT MODULE - A communication apparatus which transmits data to another communication apparatus through a transmission channel, includes: a display which displays a plurality of communication rates; and a controller which permits the display to display the communication rates. The controller acquires a first communication rate received from the another communication apparatus and based on a predetermined signal transmitted to the another communication apparatus through the transmission channel at a first time. The controller acquires a second communication rate received from the another communication apparatus and based on a predetermined signal transmitted to the another communication apparatus through the transmission channel at a second time. The controller calculates a plurality of communication rates on the basis of the first and second communication rate. The controller permits the display to display the plurality of the communication rate when a difference between the plurality of communication rates is larger than a predetermined value. | 03-19-2009 |
20090086802 | WIRELESS COMMUNICATION APPARATUS - According to an aspect of the invention, there is provided a wireless communication apparatus for performing a first wireless communication with a first channel having a first bandwidth, and a second wireless communication with a second channel having a second bandwidth wider than the first bandwidth and having a frequency band covering the first channel, in accordance with CSMA/CA system by carrier sense, including: a predicting unit predicting a first time required until a transmission right for the first wireless communication is captured, and a second time required until a transmission right for the second wireless communication is captured; a judging unit judging that either one communication is recommended based upon the first and second times; and a producing unit producing, when judged that a wireless communication different from a present wireless communication is recommended, a notification frame including information indicative of the recommended wireless communication. | 04-02-2009 |
20090161742 | Receiver Bit Rate Processing - This patent application relates generally to wireless communications systems, and, more particularly, mobile station receiver architecture. | 06-25-2009 |
20090196333 | Channel Estimation for High Data Rate Transmission Using Multiple Control Channels - For high rate data transmission, channel estimates may be computed using multiple control channels. An exemplary method comprises determining a transmission parameter for a data channel, generating first and second channel estimates derived respectively from first and second control channels, and selectively combining the first and second channel estimates to generate a combined channel estimate. In some embodiments, the second channel estimate may be used to refine the first channel estimate before the selection of the final channel estimate. | 08-06-2009 |
20090252211 | METHOD AND DEVICE FOR ESTIMATING SPEED OF WIRELESS TERMINAL - A speed estimation device applicable to an orthogonal frequency division multiplex (OFDM) system is provided. The speed estimation device receives a plurality of channel response information signals from an OFDM symbol and obtains a speed estimation result according to a sampling interval, the speed estimation device. The speed estimation device comprises a correlator, a statistical module, and a comparator. The correlator performs a correlation operation on the plurality of channel response information signals corresponding to sub-carriers with a time domain interval being the sampling interval to obtain a plurality of correlation result information signals. The statistical module connected to the correlator performs a statistical operation on the plurality of correlation result information signals to obtain a statistical correlation result information signal. The comparator connected to the statistical module compares the statistical correlation result information signal with a first threshold according to the first threshold to obtain the speed estimation result. | 10-08-2009 |
20090290628 | WIRELESS COMMUNICATION DEVICE AND METHOD OF DISPLAYING WIRELESS COMMUNICATION STATE - Provided is a wireless communication device that receives at least one communication packet containing data rate information, including: a storage unit that receives the at least one communication packet and stores, in a memory unit, the data rate information contained in the at least one communication packet; a display data generation unit that generates display data rate information to be used for display, based on the data rate information stored in the memory unit; and a display unit that displays the display data rate information generated by the display data generation unit. | 11-26-2009 |
20090310663 | SYSTEMS AND METHODS FOR DATA STREAMING - A method performed by a network device may include determining a transmission bit rate associated with a content, determining a bit rate of a network, determining a number of data streams to be transmitted through the network based on the determined bit rate, where a combined bit rate of the number of data streams is equal to or greater than the determined transmission bit rate, receiving the number of data streams transmitted through the network and reassembling the number of data streams to provide a single data stream of the content. | 12-17-2009 |
20100034247 | Methods And Appratus For Evaluating A Utilization Of A System That Provides Connections Using A Normalized Bandwidth Scheme - Methods and apparatus are provided for evaluating the throughput limit of a communication system, such as a network node or system. A throughput limit of a communication system is evaluated by receiving a request to allocate at least one connection of a given data type; obtaining an assigned weight for the at least one connection, wherein the assigned weight is based on the throughput limit and a processing limit indicating a throughput of the communication system for the given data type within a given time window; and determining whether to allocate the at least one connection of a given data type based on whether a sum of the assigned weights for each existing allocated connection for each data type exceeds the throughput limit. The assigned weight for a given data type can be subtracted from the sum upon receiving a request to de-allocate a connection. | 02-11-2010 |
20100034248 | HARDWARE INITIATED THROUGHPUT (HITM) MEASUREMENT INSIDE AN OCP SYSTEM USING OCP SIDE BAND SIGNALS - A method, system, and apparatus to hardware initiated throughput (HITM) measurement inside an OCP system using OCP side band signals are disclosed. In one embodiment, a system of an integrated circuit includes a signal line located in the integrated circuit to communicate an electrical signal, a receiver circuit located in the integrated circuit coupled to the signal line, a transmitter module located in the integrated circuit to communicate a data stream to the receiver circuit through the signal line, and a throughput monitor circuit coupled to the signal line to measure a throughput value during a communication period of the data stream from the transmitter module. The system may include a processor module located in the integrated circuit configured to interrupt an operation of the transmitter module and a receiver module if the throughput monitor circuit generates the interrupt signal. | 02-11-2010 |
20100091827 | Adaptive frequency-domain reference noise canceller for multicarrier communications systems - A method and apparatus to align data blocks in a data signal and a reference signal to increase cross-correlation between the data signal and the reference signal as compared to the unaligned data and reference signals and cancel interference in the data signal in the frequency-domain under changing conditions and in the presence of the data signal. | 04-15-2010 |
20100111153 | POWER LINE COMMUNICATION APPARATUS AND POWER LINE COMMUNICATION METHOD - A power line communication apparatus is provided with an auto gain detector that detects a gain fluctuation of an AGC (Auto Gain Control) circuit that automatically adjusts a gain of a received signal; a retry ratio calculator that calculates a ratio of retry based on output from an ARQ (Automatic Repeat request) unit that detects an error in the received data and issues a repeat request; and a transmission rate calculator that calculates a transmission rate based on output from a channel estimation unit that calculates a CNR so as to estimate a transmission status. A display displays a transmission status, including the detected AGC noise fluctuation, retry ratio, transmission rate and the like. | 05-06-2010 |
20100124264 | System and Method for Identifying a Non-Predetermined Input Data Rate - A system and method are provided for identifying the data rate of an input signal in a communications receiver. The method supplies a candidate frequency from a list of potential input data rate frequencies. A first test is performed, attempting to phase-lock a coded input data signal using a reference signal at the candidate frequency. If the input signal is phase-locked, a second test is performed of monitoring a phase detector output signal for the occurrence of a phase-lock interrupt. If a phase-lock interrupt is not monitored, a third test is performed of harmonic band detection. In response to passing the first, second, and third tests, the candidate frequency is selected as the reference frequency and the input data signal is decoded. If the first, second, or third test is failed, an alternate candidate frequency is supplied from the list and the tests are repeated, beginning with the first test. | 05-20-2010 |
20100166051 | Video Streaming Diagnostics - A video stream DSL analyzer receives at least non-physical layer management data and physical layer management data and in response generates metric information. The generated metric information is used to characterize the performance of the video stream information and diagnose any problems if necessary. In response to the metric information, the video stream DSL analyzer changes one or more DSL configuration(s) in order to improve performance. | 07-01-2010 |
20100177813 | Evaluation of the Feedback Quality in Communications Systems - A measuring system is used for testing a feedback signal transmitted by a communications device within a communications system. The measuring system comprises an antenna system and a measuring device. The measuring device transmits a signal to a communications device via the air interface and the antenna system. The communications device receives the signal and generates a feedback signal dependent upon transmission conditions of the signal, which it has determined, and transmits it to the measuring device. The measuring device measures the actual reception quality of the signal in the communications device. In this context, the measuring system implements the following stages: | 07-15-2010 |
20110007790 | METHOD AND APPARATUS FOR OPTIMIZING TARGET ERROR RATES FOR LINK ADAPTATION IN A COMMUNICATION SYSTEM - A method and apparatus for optimizing target error rates for link adaptation in a communication system. The method includes estimating a data rate associated with transmission of a data stream over a communication link. A required target error rate is then selected from a plurality of pre-defined target error rate values based on whether the estimated data rate is within a range of at least one of a plurality of pre-defined threshold values, where each of the pre-defined target error rate values maps to one of the plurality of pre-defined threshold values. A link adaptation parameter associated with the communication link is then selected or updated to maintain the required target error rate and the data stream is transmitted over the communication link using the selected/updated link adaptation parameter. | 01-13-2011 |
20110026572 | BAUD RATE ERROR DETECTION CIRCUIT AND BAUD RATE ERROR DETECTION METHOD - A baud rate error detection circuit has an edge detector, a start bit sampling circuit and an abnormal waveform detection circuit. The edge detector receives sync-field used for adjusting a baud rate of serial communication, and generates an edge detection signal in response to an edge included in the sync-field. The start bit sampling circuit measures a bit width of a start bit of the sync-field based on the edge detection signal and an internal clock signal, and generates an expected value signal indicating the bit width of the start bit as an expected value. The abnormal waveform detection circuit measures an inter-edge width after the start bit based on the edge detection signal and the internal clock signal, and generates an abnormal waveform detection signal if an error between the inter-edge width and the expected value indicated by the expected value signal exceeds a predetermined allowable error range. | 02-03-2011 |
20110069747 | METHOD AND APPARATUS FOR DETERMINING CHANNELS IN A SIGNAL - The determination and identification of channels in a signal is an important aspect of the operation of a signal receiver. A method ( | 03-24-2011 |
20110096822 | NETWORK EQUIPMENT - A network player is connected to a server, in which a contents data having a bit rate parameter is recorded, via a network. The network player stores the contents data which is currently received from the server in a buffer memory, measures a data transfer rate of the currently received contents data based on an increase and decrease of the data amount stored in the buffer memory, and repeats the measurement until a predetermined period of time passes. After the predetermined period of time, the network player determines the current data transfer rate by calculating an average value of the plural data transfer rates measured in the predetermined period of time. Then, the network player informs that the data transfer rate is not fast enough by turning on a red lamp when the current data transfer rate is slower than the bit rate. | 04-28-2011 |
20110096823 | WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION METHOD - To realize prompt and efficient data communication by dynamically changing the optimum MCS and PC. A base station ( | 04-28-2011 |
20110134983 | METHODS, APPARATUS AND ARTICLES OF MANUFACTURE TO LIMIT DATA RATES OF DIGITAL SUBSCRIBER LINES - Methods apparatus and articles of manufacture to limit data rates of digital subscriber lines are disclosed. An example method comprises monitoring during a first time interval data usage of a digital subscriber line, determining based on the data usage whether to limit a data rate associated with the digital subscriber line during a second time interval subsequent to the first time interval, and when the data rate is to be limited during the second time interval disabling one or more transmission frequencies of the digital subscriber line. | 06-09-2011 |
20110176596 | Wireless Communication System Controlling Transmission Parameters of Data Units According to Data Usefulness - A wireless transmission system identifies priorities of data units and changes at least one of the physical transmission rates of the bits of the data unit, the order of transmission of the data units; and the number of retransmission attempts of the data units based on their individual priorities. | 07-21-2011 |
20110268168 | METHODS AND SYSTEMS FOR INCREASED COMMUNICATION THROUGHPUT - Systems and methods for increasing communication throughput by superimposing multiple signal components in the same bandwidth are disclosed. Cochannel interference is reduced by using signal separation algorithms. The signal separation algorithms may use both a priori information about the superimposed signals and measured channel parameters. In addition, error correction encoding and interleaving may be used to reduce signal power and obviate the need for ideal signal separation. | 11-03-2011 |
20110292986 | CIRCUIT FOR RECOGNIZING A BEGINNING AND A DATA RATE OF DATA AND METHOD THEREOF - A circuit for recognizing a beginning and a data rate of data includes at least two data rate detecting units and a post processing unit . The at least two data rate detecting units are used for comparing at least two alignment patterns corresponding to different data rates with data simultaneously to recognize a data rate of the data. The post processing unit is coupled to the at least two data rate detecting units for recognizing a beginning of the data according to an alignment pattern corresponding to the data when the data rate of the data is recognized. | 12-01-2011 |
20120033720 | Digital Interface Between a RF and Baseband Circuit and Process for Controlling Such Interface - Process for controlling the switching of the data rate at a digital interface exchanging data and control messages between a Radio Frequency (RF) circuit and a digital circuit, comprising the steps of: setting by default the data rate to a low speed (LS) rate having a density presenting a first lobe being inferior to the frequency band considered in said RF circuit so as to prevent desensitization of the LNAs by the noise produced by said digital interface; storing the data and control messages message into a FIFO and monitoring the level of said FIFO; whenever the level of said FIFO reaches a predetermined threshold value, then controlling said interface to switch to a second high speed (HS) rate in order to flush said FIFO. In one embodiment, the LS frequency is set to a value of 832 MHz, thus preventing simultaneously desensitization of the GSM band and also the GPS band. | 02-09-2012 |
20120307878 | MULTI-PROTOCOL MULTIPLE-DATA-RATE AUTO-SPEED NEGOTIATION ARCHITECTURE FOR A DEVICE - An interface for use in a local device includes a transmitter portion programmably configurable to at least three data rates, a receiver portion programmably configurable to those at least three data rates, and an automatic speed negotiation module operatively connected to the transmitter portion and the receiver portion to configure the transmitter portion and the receiver portion for communication with a remote device at a single data rate that is a best available one of those at least three data rates. The date rate can be adjusted by adjusting transmitter data path width and receiver data path width, adjusting a frequency of said transmitter data path and said receiver data path, and oversampling. Byte serialization or deserialization can be enabled or disabled to alter the width of the data, depending on the data rate, for transfer to/from the remainder of the local device. | 12-06-2012 |
20120307879 | HOME NETWORK SYSTEM AUGMENTATION WITH REMOTE GUIDANCE AND LOCAL SET UP AND MONITORING - A network including powerline adapters (“PLAs”) of the HomePlug Alliance variety or similar implementations such as the European in Opera standard provides for diagnostic capability and software enhanced powerline adapters. The diagnostic capability includes collecting network performance data and either analyzing or forwarding data for analysis. In addition, mechanical design for the PLA with an isolating filter provides for secure mounting while blocking access to a second wall outlet of a duplex unit. | 12-06-2012 |
20130107929 | System and Method for Operating Mode Self-Adaptation | 05-02-2013 |
20130107930 | METHODS AND SYSTEMS FOR CLOCK DRIFT COMPENSATION INTERPOLATION | 05-02-2013 |
20130107931 | METHOD AND CIRCUIT FOR TRANSMITTING DATA | 05-02-2013 |
20130215950 | APPARATUS AND METHOD FOR DETECTING SYMBOL RATE - A symbol rate detection apparatus includes an analog-to-digital converter (ADC), a coarse detection module, a mixer, a down-sampling module, and a fine detection module. The ADC converts an analog input signal to a digital input signal at an original sampling frequency. The coarse detection module estimates a carrier frequency offset and a coarse symbol rate according to the digital input signal. The mixer adjusts the frequency of the digital input signal according to the carrier frequency offset to generate a frequency-compensated signal. The fine detection module determines a fine symbol rate according to the frequency-compensated signal. | 08-22-2013 |
20130223498 | TECHNIQUES FOR CHANNEL ESTIMATION IN MILLIMETER WAVE COMMUNICATION SYSTEMS - A method for performing channel estimation in a millimeter wave wireless communication system. The method includes receiving complementary sequences at a receiver of the millimeter wave wireless communication system, wherein the received complementary sequences are generated at a first sampling rate; producing special complementary sequences from the received complementary sequences; cross-correlating the special complementary sequences with an input signal related to the received complementary sequences, wherein the cross-correlation is performed at a second sampling rate and the second sampling rate is higher than the first sampling rate; and analyzing the result of the cross-correlation to estimate at least characteristics of a channel between the receiver and a transmitter of the millimeter wave wireless communication system. | 08-29-2013 |
20140036979 | SYSTEMS AND METHODS FOR LOOP LENGTH AND BRIDGED TAP LENGTH DETERMINATION OF A TRANSMISSION LINE - Through the use of a least squares minimization concept, the loop length, the number of bridged taps and length of the bridged taps on a transmission line can be determined from readily available modem data. In particular, the loop length, the number of bridge taps and the length of bridged taps can be estimated by comparing a measured frequency domain channel impulse response of the transmission line to a model of a loop that is comprised of multiple sections and multiple bridge taps. | 02-06-2014 |
20140086294 | Concurrency Method for Forecasting Impact of Speed Tiers on Consumption - A forecast model processes performance data from a site, e.g., a cable modem termination system (CMTS), to obtain a set of concurrency equations for existing speed tiers that is based on an observed subscriber bandwidth for the site. A new set of concurrency equations is obtained for new speed tiers so that a new subscriber bandwidth can be predicted for the new speed tiers. Based on the new subscriber bandwidth, expected subscriber growth, and changes in data consumption, the site is reconfigured with additional ports based on the forecast. This process can be repeated for the other sites. Sites may be grouped together based on the observed subscriber bandwidth. A new subscriber bandwidth may be predicted for the group with the new speed tiers so that additional ports can be configured for each of the sites in the group. | 03-27-2014 |
20140146865 | WIRED CONNECTOR AND ANTENNA - An antenna can be in a computing device. A connector can be in the computing device and adjacent to the antenna for a wired connection. In one implementation the antenna is connector to a controller to monitor the antenna for wireless signal degradation and compensate for the wireless signal degradation. | 05-29-2014 |
20140161167 | COMMUNICATION CHANNEL CAPACITY ESTIMATION - Prediction of a channel capacity is accomplished based on a TDR echo without explicitly estimating the topology of the line. The prediction is based on obtaining a measured TDR echo, determining a theoretical TDR echo for a plurality of loop lengths, estimating the equivalent TDR length based on an optimization, updating the equivalent TDR length and utilizing the updated TDR length to predict one or more of the upstream and downstream data rates. | 06-12-2014 |
20140294054 | PREQUALIFICATION OF VECTORING BEFORE IMPLEMENTATION - A prequalification determination is made on a DSL line to predict the bit rate improvement that might be accomplished by implementation of vectoring, providing information to use in determining whether or not to implement vectoring. Overall noise is measured on the line, along with FEXT noise, and the FEXT noise is subtracted from the overall noise, and the resulting value is employed to determine a predicted bit rate, providing an indication of the potential bit rate if vectoring is implemented. | 10-02-2014 |
20150036730 | APPARATUS AND SYSTEM FOR TRACKING DATA SPEED AUTOMATICALLY - An apparatus and a system for automatically tracking data speed are disclosed. An embodiment of the invention provides a transmitting apparatus for automatically tracking data speed that includes: an encoder configured to convert parallelized input data according to a preset signal rule into a first signal and a second signal, where the input data is inputted as a unit of n bits, the encoder outputs the first signal and the second signal such that, if the input data includes identical bit values consecutively, one of the first signal and the second signal is converted to include transition information instead of following a differential rule with respect to the other signal; a serializer configured to serialize the first signal and the second signal; and a transmitting part configured to transmit the serialized first signal and second signal. | 02-05-2015 |
20160036685 | Concurrency Method For Forecasting Impact Of Speed Tiers On Consumption - A forecast model processes performance data from a site, e.g., a cable modem termination system (CMTS), to obtain a set of concurrency equations for existing speed tiers that is based on an observed subscriber bandwidth for the site. A new set of concurrency equations is obtained for new speed tiers so that a new subscriber bandwidth can be predicted for the new speed tiers. Based on the new subscriber bandwidth, expected subscriber growth, and changes in data consumption, the site is reconfigured with additional ports based on the forecast. This process can be repeated for the other sites. Sites may be grouped together based on the observed subscriber bandwidth. A new subscriber bandwidth may be predicted for the group with the new speed tiers so that additional ports can be configured for each of the sites in the group. | 02-04-2016 |
20160072653 | METHOD AND CIRCUIT FOR TRANSMITTING DATA - Methods and circuits for transmitting data are disclosed. An embodiment of a method includes transmitting a predetermined number of pulses during predetermined period of time. A first predetermined number of pulses transmitted during the predetermined period of time represents a first value and a second predetermined number of pulses transmitted during the predetermined period of time represents a second value. | 03-10-2016 |