31results about "Equal length code receiver" patented technology

A spectral notch modulation technique for encoding information in a signal involves transforming the signal into the frequency domain via a fast Fourier transform (FFT) of length N, such that the signal is represented by N frequency bins, selectively nulling M of the N frequency bins, where nulled combinations of M frequency bins respectively correspond to encoded information bits, transforming the selectively nulled signal to the time domain via an inverse FFT, and transmitting the selectively nulled signal. At the receiving end, the signal is demodulated to recover the encoded information by transforming the signal into the frequency domain via a fast Fourier transform (FFT) of length N, identifying the set of M nulled frequency bins among the N frequency bins, and converting the set of M nulled frequency bins to corresponding information bits.

Embodiments of the present invention provide a method, apparatus, and system of wireless transmission with frame alignment. For example, a method in accordance with demonstrative embodiments of the invention may include synchronizing between a transmitter using a first modulation scheme, which may have multiple frame formats, and a receiver using a second modulation scheme, by calculating a transmission time that aligns an inter frame space start time of the first and second modulation schemes. Other features are described and claimed.

A mood response system enables a user to communicate audio messages to another, which correspond with the emotional state of the user, over a speaker. The mood response system comprises a handheld controller disposed with a keypad, a message set switch, and three message sets, each comprising up to ten individual audio messages, which may be played over the speaker. The mood response system further includes the capability to record audio messages from the user, store them in one of the message sets, and play the recorded audio messages over the speaker.

There are provided new and improved methods and systems for producing machine-generated handwriting having realistic human appearance. In various embodiments, the handwriting may include characteristics of particular classes and / or characteristics of particular individuals. The handwriting includes an appropriate degree of randomness so as to be realistic in appearance. In a particular embodiment of the invention, at least one sample of a particular individual's handwriting is scanned and analyzed to determine the characteristics thereof. The handwriting characteristics include a degree of randomness representative of the scanned handwriting sample(s). The handwriting may be printed on a conventional printer, for example to generate a communication for a recipient.

In a system for transmitting packets over a link between a compressor and a decompressor, a method is provided for implicit packet type identification. A set of implicit packet transmission characteristics including at least first and second characteristics is selected, and the compressor is operated to assign the first and second transmission characteristics to packets of first and second packet types, respectively. The decompressor is operated to detect transmission characteristics of packets received by the decompressor, and to thereby identify a received packet as being either a first or second packet type. Usefully, header free packets comprise one of the packet types.

Method, system, and storage medium for reducing or minimizing access to sensitive information. A method includes identifying processes and data associated with a computer system and classifying each of the data as one of either sensitive information or non-sensitive information. The sensitive information includes at least one of: data that is personal to an individual, confidential data, and data that is legally subject to conditions of restricted use. For each of the processes the method includes selecting a process and a sensitive data item, modifying the sensitive data item, analyzing the behavior of at least the selected process, and preventing access of the sensitive data item by the selected process if, as a result of the analyzing, the sensitive data item is determined not to be needed by the selected process.

The invention provides a short wave Morse message automatic identification method based on intelligent image analysis. The method comprises the following steps: step 1, locally generating a code wordsample of a training Morse signal according to a code rate of the training Morse signal and a system sampling rate to form a training sample set; Step 2, generating a modified spectrogram of each sample signal in the training sample set; Step 3, taking the corrected spectrogram of each sample signal as the input of a convolutional neural network, and training the convolutional neural network by adopting a transfer learning method; Step 4, performing code word interception on the received target Morse signal to obtain all code word data of the target Morse signal, and generating a correction speech spectrogram of each code word data according to the step 2; And 5, identifying the modified spectrogram of each code word data of the target Morse signal by using the trained convolutional neuralnetwork, and outputting a code word corresponding to the modified spectrogram. According to the invention, the Morse signal message identification effect can be improved.

An apparatus and method for channel encoding / decoding are provided which vary an iterative decoding number according to service type, data class and channel condition. A message information receiver receives information about a message to be received. A controller determines an iterative decoding number according to the message information received. A decoder iteratively decodes the received message according to the determined iterative decoding number. The message information includes a class of received data, and the class includes a bit error rate (BER). The iterative decoding number is increased for a low BER as compared to a predetermined BER. Further, the class includes a permissible time delay, and the iterative decoding number is increased for a long permissible time delay as compared to a predetermined permissible time delay. In addition, the message information includes a service type of the received data, and the iterative decoding number is decreased when the service type is a moving picture service.

An apparatus and method for channel encoding / decoding are provided which vary an iterative decoding number according to service type, data class and channel condition. A message information receiver receives information about a message to be received. A controller determines an iterative decoding number according to the message information received. A decoder iteratively decodes the received message according to the determined iterative decoding number. The message information includes a class of received data, and the class includes a bit error rate (BER). The iterative decoding number is increased for a low BER as compared to a predetermined BER. Further, the class includes a permissible time delay, and the iterative decoding number is increased for a long permissible time delay as compared to a predetermined permissible time delay. In addition, the message information includes a service type of the received data, and the iterative decoding number is decreased when the service type is a moving picture service.

A spectral notch modulation technique for encoding information in a signal involves transforming the signal into the frequency domain via a fast Fourier transform (FFT) of length N, such that the signal is represented by N frequency bins, selectively nulling M of the N frequency bins, where nulled combinations of M frequency bins respectively correspond to encoded information bits, transforming the selectively nulled signal to the time domain via an inverse FFT, and transmitting the selectively nulled signal. At the receiving end, the signal is demodulated to recover the encoded information by transforming the signal into the frequency domain via a fast Fourier transform (FFT) of length N, identifying the set of M nulled frequency bins among the N frequency bins, and converting the set of M nulled frequency bins to corresponding information bits.

In a method for configuring at least one mobile operating unit of at least one control, wherein the at least one operating unit is detachably connectable to the at least one control, wherein the at least one operating unit has a display, a memory, and an input device, the configuration information, required for configuring the at least one operating unit, is transmitted from the at least one control to the at least one operating unit at the time of connecting the at least one operating unit to the at least one control. The configuration information is then utilized in the at least one operating unit. The configuration information saved in the memory can be overwritten by new configuration information received from the control.

A method and apparatus for detecting typing errors of critical fixed series of characters (digits) by using at least one redundant parity digit. The invention detects the most common typing errors that involve both permutations and incorrect striking of adjacent characters during data entry via a keyboard of an electronic apparatus. The method provides warning to the data input operator when incorrect data entry occurs and optionally automatically suspends entry thereof.

There have thus been provided new and improved methods and systems for producing machine-generated handwriting having realistic human appearance. In various embodiments, the handwriting may include characteristics of particular classes and / or characteristics of particular individuals. The handwriting includes an appropriate degree of randomness so as to be realistic in appearance. The handwriting may be printed on a conventional printer, for example to generate a communication for a recipient.

There are provided channel encoding / decoding device and method to efficiently transmit / receive voice and data. Data with a low data rate or a short data frame is convolutionally encoded and data with a high data rate or a long data frame is turbo-encoded, thereby increasing encoding performance.

The invention discloses a platform authentication method suitable for trusted network connect (TNC) architecture based on tri-element peer authentication (TePA). The method relates to a platform authentication protocol of tri-element peer authentication, and the protocol improves network security as compared with prior platform authentication protocols; in the platform authentication protocol of the TNC architecture based on TePA, a policy manager plays a role as a trusted third party, which is convenient for concentrated management, thus enhancing manageability; the invention relates to the platform authentication protocol of the TNC architecture based on TePA, has different implementation methods and is beneficial for different dispositions and realizations.

The disclosed embodiments provide a system for processing data. During operation, the system obtains a set of metrics related to a performance of a single-page application (SPA), wherein the set of metrics includes an initial page load time of the SPA that is calculated from a page load event and a render completion time and a subsequent page load time of the SPA that is calculated from a transition time and the render completion time. Next, the system uses the set of metrics to display a graphical user interface (GUI) comprising a chart of a performance of the SPA. The system then displays, in the chart, a representation of the page load time for the SPA.

A portable printer includes: a housing; a platen roller configured to convey a label sheet having a base sheet; a pinch roller configured to rotate following the platen roller via the base sheet; a supporting shaft configured to support the pinch roller; a shaft holder configured to hold the supporting shaft; a removing and inserting section configured to hold the shaft holder to be removable therefrom and insertable thereinto; a pawl section provided in the shaft holder, configured to resiliently hook to the removing and inserting section; a member holding section provided in the housing; and an urging member detachably attachable to the member holding section, nipped by the member holding section and the supporting shaft, and configured to apply pressing force on the platen roller to the pinch roller.

There have thus been provided new and improved methods and systems for producing machine-generated handwriting having realistic human appearance. In various embodiments, the handwriting may include characteristics of particular classes and / or characteristics of particular individuals. The handwriting includes an appropriate degree of randomness so as to be realistic in appearance. The handwriting may be printed on a conventional printer, for example to generate a communication for a recipient.

A method and related system of transmission channel detection condition in a wireless communication system are disclosed. The method includes receiving a symbol, performing a channel estimation operation to generate a channel estimation result according to the symbol, performing a cross correlation operation on the channel estimation result and an initial channel estimation result to generate an operation result, and determining whether the condition of the transmission channel have changed or not.

A method, a baseboard management controller (BMC) and a system for establishing a serial-over-LAN connection are provided. The method includes: receiving data from a server unit using the first UART at a current baud rate; detecting the current baud rate of the first UART using the BMC; configuring the baud rate of the second UART of the BMC as the current baud rate; controlling the second UART toretrieve the data from the first UART at the current baud rate using the BMC; and sending the data to a network using the BMC.

A subscriber station for a serial bus system. The subscriber station has a communication control device for controlling a communication of the subscriber station with at least one other subscriber station of the bus system, a transmitting / receiving device for transmitting a transmission signal in a frame on a bus of the bus system, and a scheduling unit for scheduling a temporal access of the subscriber station to the bus in at least one time slot of a cycle of temporally consecutive time slots, at least one time slot being provided in a cycle for each subscriber station for transmitting its transmission signal and the cycle repeating cyclically. The scheduling unit is designed to determine an assignment that specifies which time slot of the cycle the transmitting / receiving device is allowed to use for transmitting the frame for the transmission signal on the bus.

A code acquisition circuit for acquiring code synchronization between an n-chip spreading code of a received spread spectrum radio signal and an n-chip local reference code generated by a code generator within a receiver, includes a variable delay means which operates to introduce a delay shift into the said received radio signal. A correlator operates to correlate n-chips of the local reference code with n-samples of the received signal communicated thereto, and generates a correlation signal representative of a result of the correlation. A code acquisition controller operates in combination with the correlation signal to maintain the delay shift for at least one correlation and thereafter to change the delay shift, wherein the delay shift is a fraction of one chip period.

Methods, apparatuses, and computer program products are disclosed for securely migrating data between devices. An example method includes receiving a request at a first time for data migration between a first user device and a second user device each associated with a first user. The method further includes retrieving a baseline attribute dataset associated with the first user generated before the first time and generating a first attribute dataset associated with the first user. The method includes authenticating a session between the first user device and the second user device at the first time and causing data transfer between the first user device and the second user device. The method further includes generating a second attribute dataset associated with the first user at a second time after the first time and authenticating the session at the second time based on the first attribute dataset and the second attribute dataset.

A connector 1 includes a connection request information reception processing unit 12 that obtains first connection request information transmitted by the first communication terminal and second connection request information transmitted by the second communication terminal, a connection request matching processing unit 151 that determines whether or not the first connection request information and the second connection request information obtained by the connection request information reception processing unit 12 form a combination under a predetermined condition, and a connection setting processing unit 15 that generates a connection permission message which includes connection information for a connection setting with the second communication terminal, depending on a determination result by the connection request matching processing unit 151 and transmits the connection permission message to the second communication terminal.

The invention provides an automatic identification method for short-wave Morse messages based on intelligent image analysis. The method comprises: Step 1, according to the code rate and the system sampling rate of the training Morse signal, locally generate codeword samples of the training Morse signal to form a training sample set; Step 2, generating the training sample set The corrected spectrogram of each sample signal; step 3, using the corrected spectrogram of each sample signal as the input of the convolutional neural network, and adopting the transfer learning method to train the convolutional neural network; step 4, for the received target moiré Morse signal to carry out codeword interception to obtain all codeword data of the target Morse signal, and generate the corrected spectrogram of each codeword data according to step 2; The corrected spectrogram of each codeword data of the Morse signal is identified, and the codeword corresponding to the corrected spectrogram is output. The invention can improve the recognition effect of the Morse signal message.

The invention provides a subscriber station (10; 20; 30; 1 - 4) for a serial bus system (100) and to a method for communicating in a serial bus system (100). The subscriber station (10; 20; 30; 1 - 4) comprises a communication control device (11; 21; 31) for controlling communication of the subscriber station (10; 20; 30; 1 - 4) with at least one other subscriber station (10; 20; 30; 1 - 4) of the bus system (100), a transmission / capturing device (12; 22; 32) for transmitting a transmission signal (TX1; TX2; TX3; TX4), generated by the communication control device (11; 21; 31), in a frame (450; 460) to a bus (40) of the bus system (100), and a scheduling unit (15; 25; 35) for planning temporal access of the subscriber station (10; 20; 30; 1 - 4) to the bus (40) in at least one time slot (S1 - S4) of a round (C) of temporal subsequent time slots (S1 - S4). At least one time slot (S1 - S4) is provided in a round (C) for each subscriber station (10; 20; 30; 1- 4) of the buses (40) for transmitting their transmission signal (TX1; TX2; TX3; TX4) and the round (C) repeats in cycles. The scheduling unit (15; 25; 35) is designed to determine an allocation, using at least information captured by the bus (40), which time slot (S1 - S4) of the round (C) the transmission / capturing unit (12; 22; 32) may use to transmit the frame (450; 460) for the transmission signal (TX1; TX2; TX3; TX4) to the bus (40).

A code acquisition circuit for acquiring code synchronization between an n-chip spreading code of a received spread spectrum radio signal and an n-chip local reference code generated by a code generator within a receiver, includes a variable delay means which operates to introduce a delay shift into the said received radio signal. A correlator operates to correlate n-chips of the local reference code with n-samples of the received signal communicated thereto, and generates a correlation signal representative of a result of the correlation. A code acquisition controller operates in combination with the correlation signal to maintain the delay shift for at least one correlation and thereafter to change the delay shift, wherein the delay shift is a fraction of one chip period.