Patent classifications
H03M13/251
DECODING DEVICE AND OPERATING METHOD THEREOF
A decoding device includes a controller classifying a bitstream as a first bitstream and a second bitstream based on a plurality of blocks defined by a matrix and included in a frame, a first decoder including a first processor performing decoding on the first bitstream and outputting first decoding data and a first memory, a second decoder including a second processor performing decoding on the second bitstream and outputting second decoding data and a second memory, a first buffer transmitting the first decoding data to the second memory, and a second buffer transmitting the second decoding data to the first memory. The first processor controls the second memory to store the first decoding data, and the second processor controls the first memory to store the second decoding data.
Communication device and communication method
A communication device that applies an error in an upper layer in addition to error correction in a physical layer is provided. The communication device includes an acquisition unit that acquires control information regarding forward error correction (FEC) of an upper layer and control information regarding FEC of a lower layer, an encoding-decoding unit that performs error correction encoding or decoding of an information sequence in the upper layer according to control information regarding the FEC of the upper layer, and a puncturing processing unit that performs puncturing or depuncturing in the upper layer. The information sequence after FEC encoding of the upper layer is divided into blocks, and puncturing and interleaving are performed in units of blocks.
ERROR CORRECTION ENCODING DEVICE, ERROR CORRECTION ENCODING METHOD, ERROR CORRECTION DEVICE, ERROR CORRECTION METHOD, COMMUNICATION METHOD, OPTICAL COMMUNICATION SYSTEM, AND SOFT DECISION ERROR CORRECTION FRAME DATA STRUCTURE
An error correction encoding device includes an encoding unit to generate soft decision error correction frame information including a bit array of m rows and N columns obtained by combining first bit string group information and second bit string group information, the first bit string group information including a bit array of m rows and N1 columns in which it is enabled to perform pulse amplitude modulation of a combination of bit values of each column of the first bit string group information into a modulation symbol by using a first symbol mapping rule, the second bit string group information including a bit array of m rows and N2 columns in which it is enabled to perform pulse amplitude modulation of a combination of bit values of each column of the second bit string group information into a modulation symbol by using a second symbol mapping rule.
Data Processing Method, Communications Apparatus, and Communications Device
A data processing method, an apparatus, and a device are disclosed. The data processing method may be performed by a first communications device, and the first communications device is a transmit end of encoded data. The first communications device may send a high-order signal to a second communications device by using a plurality of parallel channels, and information bits in the parallel channels are arranged in a specified order. The method helps improve a transmission rate in a parallel channel transmission scenario, and helps the second communications device perform correct decoding.
Systems and methods for encoding digital communications
The disclosed systems and methods for encoding, by a polar encoder, K message bits into an encoded message bits sequence C(M) using polar codes, where K and M are integer values and M is greater than or equal to K; rearranging, by an interleaver, the encoded message bits sequence C(M) to rearranged encoded message bits sequence C′(M) such that a C(i)th bit and a
th bit of the encoded message bits sequence C(M) are arranged together, where i is an integer value that varies between 1 to
mapping, by a bits-to-symbol mapper, the rearranged encoded message bits sequence C(M) to N non-binary symbols, where N is an integer value; and processing, by a transmitter symbol processor, the N non-binary symbols to transmit the processed non-binary symbols towards a receiver.
Decoding System, Decoding Controller, and Decoding Control Method
A decoding system, a decoding controller, and a decoding control method are provided. In the decoding system, a decoding controller is disposed between two adjacent decoders. The decoding controller determines whether to perform turn-off based on a non-turn-off indication received by a previous-stage decoder, a turn-off indication output by the previous-stage decoder, and historical turn-off probability statistics. This is equivalent to adding a buffer zone between the two adjacent decoders.
System and method for decoding encoded messages in a wireless communication system
Aspects of the subject disclosure may include, for example, obtaining a received channel-encoded data block having information bits, a transmitted error-check value, and redundant code bits. The redundant code bits correspond to a channel code applied to the received channel-encoded data block prior to transmission via a communication channel. A channel code type is identified and responsive to it being systematic, the information bits and the transmitted error-check value are obtained without decoding according to the channel code. The received channel-encoded data block is checked according to the transmitted error-check value to obtain a result. Responsive to the result not indicating an error, extracting the information bits without decoding the received channel-encoded data block according to the channel code. Responsive to the result indicating an error, decoding the received channel-encoded data block according to the channel code to obtain decoded information bits. Other embodiments are disclosed.
Descrambler for memory systems and method thereof
A descrambler receives data from a memory device. The descrambler calculates a sub-syndrome weight for multiple bits in each of the plurality of descrambled sequences using a set parity check matrix to generate multiple sub-syndrome weights, one for each of the plurality of descrambled sequences. The descrambler selects a sub-syndrome weight among the multiple sub-syndrome weights. The descrambler determines, as a correct scrambler sequence for descrambling the data, a scrambler sequence corresponding to the selected sub-syndrome weight, among the plurality of scrambler sequences.
DATA SIGNALING FOR WIRELESS COMMUNICATION NETWORKS
There is disclosed a method of operating a transmitting radio node in a wireless communication network. The method includes transmitting data signaling utilising a plurality of transmission sources, wherein the data signaling represents a plurality of code blocks. Modulation symbols of a modulation symbol sequence are mapped to the plurality of transmission sources in c-tuples, the modulation symbol sequence representing the plurality of code blocks in which c is dependent on the modulation used for transmitting the signaling. The disclosure also pertains to related devices and methods.
ERROR RATE MEASURING APPARATUS AND UNCORRECTABLE CODEWORD SEARCH METHOD
An error rate measuring apparatus includes: an operation unit that sets a codeword length, an FEC symbol length, and an FEC symbol error threshold; error counting means for counting FEC symbol error and an uncorrectable codeword; a display unit that performs display by setting one zone of a display area as one FEC symbol length, matching a zone length of a horizontal axis of the display area with one codeword length, and performing line feed in codeword length units according to presence or absence of the FEC symbol error in FEC symbol length units based on a counting result; search means for searching for the uncorrectable codeword starting from the cursor on the identification display; and display control means for performing display control of the cursor at a position of a head error of the searched uncorrectable codeword.