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| Number | Title | Issue Date |
| 8184685 | 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 code... | 05/22/2012 |
| 8155175 | Method for measuring multiple parameters of a signal transmitted by a signal generator A method is disclosed for measuring one or more parameters of a signal generated by a signal generator. The method employs capturing and analyzing a train of data packets or other forms of signals from a single transmission to obtain measured values for the one or m... | 04/10/2012 |
| 8102904 | Methods and systems for data rate detection for multi-speed embedded clock serial receivers A method of determining a data rate of a high speed serially transmitted data stream comprises statistically examining edge timing characteristics of the incoming data stream. Based on the edge characteristics, a signature is identified that is associated with the e... | 01/24/2012 |
| 8040942 | Method and apparatus for determining an outage in communication systems A method of detecting an outage includes determining at a source of data a quality metric of a link over which data is to be transmitted, modifying the quality metric by a quality metric margin, and declaring an outage event when power required for transmission of a... | 10/18/2011 |
| 7881363 | Data transmission rate adjustment system and method thereof A data transmission rate adjustment system and method thereof comprise a driving module and a control module. The driving module performs a predetermined mathematical calculation based on a transmission rate request to generate a divisor. The control module then per... | 02/01/2011 |
| 7856051 | Apparatus, and associated method, for selecting whether to reject as invalid a data segment received at a communication station Apparatus, and an associated method, for determining whether to accept as valid a data segment, such as a radio block communicated pursuant to an EDGE communication session. A bit error rate measurer measures the bit error rate of a header part of a received radio b... | 12/21/2010 |
| 7826521 | Rate adaptation using error vector magnitude Rate adaptation is accurately provided by using an average SNR technique, a predicted PER technique, or an EVM to PER mapping technique. An average SNR is computed by averaging EVM values in a particular domain. Using the computed average SNR, an optimized rate is d... | 11/02/2010 |
| 7801204 | Estimation of BER performance A method to determine bit error rate (BER) for a given channel of a communication system includes determining a first statistical representation of at least one deterministic source of noise for the given channel. A parametric statistical representation having param... | 09/21/2010 |
| 7792182 | Method and apparatus for adjusting symbol timing and/or symbol positioning of a receive burst of data within a radio receiver A method and apparatus for adjusting symbol timing and/or symbol interval range of a receive burst of data within a radio receiver include processing that begins by receiving a radio frequency signal that includes bursts of data. The process then continues by determ... | 09/07/2010 |
| 7787530 | Multi-channel adapative quality control loop for link rate adaptation in data packet communications An adaptive quality control loop for link rate adaptation based on modulation and/or coding schemes (also referred to as “MCS levels”) and one or more spreading codes that adaptively selects channel condition thresholds in real-time without measuring all the fac... | 08/31/2010 |
| 7769081 | Transmission power control method for a wireless communication system Transmission power relative to a propagation path having a variation in gain is controlled to increase communication channel capacity, and a data rate is controlled in accordance with the variation of the increased communication channel capacity. In order to increas... | 08/03/2010 |
| 7760795 | Transmission power control method for a wireless communication system Transmission power relative to a propagation path having a variation in gain is controlled to increase communication channel capacity, and a data rate is controlled in accordance with the variation of the increased communication channel capacity. In order to increas... | 07/20/2010 |
| 7756198 | System and method for assigning channels in a wireless network A method for assigning channels in a wireless network includes receiving from each of a plurality of a first type of wireless components a total average data rate. Each total average data rate is based on an average data rate for each of a first plurality of a secon... | 07/13/2010 |
| 7742519 | Method for rate matching in data transmission A method employing an improved rate-matching algorithm used during transmission and reception of information packets involves performance of a complete process of puncturing or repetition in two steps. In the first step the action to be taken on each bit of the inpu... | 06/22/2010 |
| 7720138 | Communication system A communication system is provided which is capable of easily setting a transmission speed between a signal transmitter and a signal receiver to carry out information communication. A transmitting device transmits one frame of measuring data which contains a start b... | 05/18/2010 |
| 7693213 | Method and apparatus for determining power required for data transmission in communication systems Methods and apparatus for estimating a transmission power required for data transmission in a communication system are disclosed. A terminal determines a quality metric of a communication link, over which data are to be transmitted, and modifies the determined quali... | 04/06/2010 |
| 7684477 | Multi-protocol low latency automatic speed negotiation architecture for an embedded high speed serial interface in a programmable logic device A serial interface for a programmable logic device includes receiver and transmitter portions, and an automatic speed negotiation module to adjust the data rates of both portions. The speed adjustment may be accomplished by adjusting the widths of the data paths in ... | 03/23/2010 |
| 7672366 | Line quality report accuracy measurement device and accuracy measurement method A channel quality report accuracy measurement apparatus and accuracy measurement method are provided that correctly measure the accuracy of channel quality reported from a communication apparatus. A scheme control section (140) stores coding rates and modulat... | 03/02/2010 |
| 7672367 | System and method for selecting data rates of initialization signals A system includes a transceiver for communicating over a telecommunication line that is coupled to the transceiver. The transceiver comprises logic configured to measure attenuation of at least one signal transmitted across the telecommunication line. The logic is f... | 03/02/2010 |
| 7583727 | Single ended DMT test method for determining ADSL capability of cables A DMT (Discrete Multi-Tone) test method is employed by a single test device to estimate the theoretical and practical data rates of a cable under test for a pair of target ADSL (Asymmetric Digital Subscriber Line) DMT modems. The DMT test can also be used to analyze... | 09/01/2009 |
| 7457354 | Method and device of analyzing a signal transmitted via a communication link Technology is proposed for estimating one or more characteristics of a main signal transmitted via a communication link, wherein the main signal is composed from a number of component signals possibly comprising respective data signals and transmitted via a number o... | 11/25/2008 |
| 7430237 | Decoderless bit-error-rate estimation for convolutionally encoded transmissions in wireless systems In a UMTS (universal mobile telecommunications system) based system, a wireless receiver implements “effective signal-to-noise (Eb/No) based BER estimation.” In particular, the wireless receiver comprises a rake receiver, a processor and me... | 09/30/2008 |
| 7428264 | Transmission power control method for a wireless communication system Transmission power relative to a propagation path having a variation in gain is controlled to increase communication channel capacity, and a data rate is controlled in accordance with the variation of the increased communication channel capacity. In order to increas... | 09/23/2008 |
| 7424052 | Method of, and receiver for, estimating the bit rate of data A bit rate detector for detecting the speed of transmission of a data signal having one of at least two alternative bit rates, comprises a differential decoder (28) for differentially decoding received digitally modulated signals into oversampled complex sign... | 09/09/2008 |
| 7418249 | Radio apparatus A demodulator demodulates a received signal. A decoder performs inverse-spread spectrum processing on a demodulated signal. The decoder calculates a CIR value and outputs it to a CPU and a predictor. The predictor derives a next CIR value of the next reception time ... | 08/26/2008 |
| 7418532 | Data transfer device, data transfer system, and data transfer method A transfer start/end detecting section detects timing at which a DMARQ signal becomes an H level or an L level. A transfer time-measuring section measures a transfer time during which data transfer is actually performed within a period in which a predetermined numbe... | 08/26/2008 |
| 7418031 | Automatic baud rate determination The present invention provides an electronic device consisting of a Universal Asynchronous Receiver Transmitter (UART) having its transmit data output connected to a triggered timer and a computing means that computes the transmitted baud rate from the time measured... | 08/26/2008 |
| 7403493 | Method and device for acquiring electronic information about transmission speeds in a network The invention relates to a method and a device for acquiring electronic information about transmission speeds between nodes of an acyclical network, in particular of an IEEE 1394 bus network, precisely one transmission link being present between in each case two of ... | 07/22/2008 |
| 7400674 | Method and device for controlling transmission of sets of data A method for controlling transmission of sets of data comprises receiving information relating to at least a part of a first data set. This information may comprise the at least part of the first set of data or an indication of receipt of the at least part of the fi... | 07/15/2008 |
| 7397790 | Packet switched connections using dedicated channels A temporary (temp) dedicated channel (DCH) is used to support communications. The temp-DCH channel is a channel that is assigned to a user having a set duration. After the duration expires, the channel is automatically released to the user. Embodiments of the invent... | 07/08/2008 |
| 7379494 | MAC protocol employing multiple data rates Method and apparatus for combining high data rate traffic and low data rate traffic on a common transmission medium while maximizing efficient use of available spectrum. Since spectrum is an economically valuable resource and transport of data generates revenue, the... | 05/27/2008 |
| 7376200 | Method and apparatus for suppressing carrier leakage A method and system for determining at least one DC offset compensation value used to suppress carrier leakage occurring on real and imaginary signal paths in an analog radio transmitter when a significant temperature change in the transmitter is detected. At least ... | 05/20/2008 |
| 7372894 | Method of processing a signal by a radio receiver and radio receiver for the implementation of the method In a spread spectrum digital radiocommunication receiver, a first estimate of a symbol transmitted by a sender is calculated by applying to a radio signal received a processing taking into account a number N of propagation paths from the sender, a parameter of relia... | 05/13/2008 |
| 7373376 | Method and system for evaluating quality of service over the internet A method of measuring performance of a transaction over a network. The transaction includes requesting information from an information source connected to the network and interacting with the information source. The method includes connecting a data acquisition agen... | 05/13/2008 |
| 7372901 | Method and apparatus for modem rate adaptation A method and system for dynamically determining transmission characteristics of a modem transmitting information over a network is disclosed. The method comprises the steps of determining a plurality of measured characteristics associated with a plurality of receive... | 05/13/2008 |
| 7369658 | Secure modulation and demodulation A system and method are disclosed for securely transmitting and receiving a signal. A nonlinear keying modulator is used in the transmitter to encrypt the signal using a nonlinear keying modulation technique. A nonlinear keying demodulator is used in the receiver to... | 05/06/2008 |
| 7369516 | Adaptive echo canceling A method for transmitting data signals in full duplex with echo cancellation between a first and a second modem connected by a two-wire channel, wherein a data signal is a function of at least one data symbol in a stream of data symbols generated by a modem comprisi... | 05/06/2008 |
| 7366142 | Controlling multiple modems in a wireless terminal using dynamically varying modem transmit power limits A mobile wireless terminal (MWT) includes multiple wireless modems. The multiple modems have their respective transmit outputs combined together to produce an aggregate transmit output. The multiple modems can concurrently transmit data in a reverse link direction a... | 04/29/2008 |
| 7359455 | Digital modulation and shift keying The present invention discloses an apparatus and a method of modulating a carrier with digital information having a series of datums represented in a plurality of symbols, the method comprising selecting a first number of half-periods of a first phase distinguished ... | 04/15/2008 |
| 7359436 | Method for automatic detection of the data rate in a network, particularly a CAN bus type network, and for configuration to the detected data rate, corresponding device A method for automatic detection of the network data rate and for configuration at the detected data rate by a device connected to the network. This method includes an initialisation phase and an interative processing phase. The initialisation phase includes the fol... | 04/15/2008 |
