PROBLEM TO BE SOLVED: To correct misalignment of cycles in write leveling.SOLUTION: A memory controller includes: a first write unit 11 configured to write a first dummy pattern at a first address of a memory under test; a second write unit 11 configured to write a test pattern at a second address after the write operation of the first dummy pattern; a third write unit 11 configured to write a second dummy pattern at a third address after the write operation of the test pattern; a read unit 14 configured to read the test pattern from the second address; and a timing adjustment unit 14 configured to adjust timing at which data is written, based on the read test pattern.

Memory controller and control method

The embodiment of the invention discloses an error estimation method, which comprises steps: a base station builds a first code block, wherein the first code block comprises an information bit, an error estimation coding EEC check bit and a cyclic redundancy CRC check bit; a CRC generator polynomial is configured, a CRC check code is generated according to the CRC generator polynomial, both the first coefficient and the last coefficient of the CRC generator polynomial are 1, and the number of terms whose coefficients are one in the CRC generator polynomial is an even number; CRC check is carried out according to the CRC check code, channel coding is completed to form a second code block, the second code block is transmitted to a terminal through modulation, and thus, the terminal can carry out error estimation according to the EEC check bit and the CRC check code. Thus, the transmission resource utilization rate in video data service can be enhanced, and the data transmission reliability is ensured.

Error estimation method, base station and terminal

A method for decoding a channel signal in a signal reception apparatus is provided. The method includes performing a block decoding operation on a channel signal block, and if the block decoding for the channel signal block fails, re-performing a block decoding operation on the channel signal block using a preset pattern.

Signal Reception Apparatus, Block Decoding Unit and Method Thereof in Radio Communication System

A communication method is configured to increase speed of messages reception over a bandwidth limited channel such as high frequency (HF) radio. User data arriving from a high-speed network is transformed into a format suitable for transmission over the radio channel. Message packets that will take longer to reach a destination via the radio channel as compared to alternative channels, such as a fiber optic network, are rejected for radio transmission. When the packet is received, the receiver deduces message length by using information from various error handling techniques, such as forward error correction (FEC) and cyclic redundancy check (CRC) techniques. Fill data is transmitted between message packets when no data is available. The FEC and CRC information for the fill data is modified so that the fill data will fail FEC and CRC checks at the receiving station.

Low-latency, low-overhead data framing method for capacity-limited delay-sensitive long distance communication

The invention discloses a data transmission method and device, electronic equipment and a storage medium, and belongs to the technical field of communication The method comprises the steps of obtaining target data; encoding the target data to obtain first encoded data, and copying the first encoded data into a public transmission structure; encoding the public transmission structure to obtain anencoded public transmission structure, and sending the encoded public transmission structure to a first server According to the invention, the first server does not need to select different decodingmodes according to different transmission structures, but selects one decoding mode for the public transmission structure in a unified manner, thereby improving the data transmission efficiency Besides, the first server does not need to perform assignment conversion on the data, so that the second server obtains the original user behavior data acquired by the terminal after decoding twice, and the data provides a relatively accurate data basis for user behavior analysis performed by the second server

Data transmission method and device, electronic equipment and storage medium

A method of decoding an encoded data frame including dummy bit sequences each generated from encoding a predetermined bit pattern is provided. The method includes: determining a boundary of dummy bit sequences in the encoded data frame; and generating a decoded data frame according to a partial decoding result and a plurality of predetermined bit patterns each corresponding to one of the dummy bit sequences within the boundary, wherein the partial decoding result is generated by decoding encoded bits beyond the boundary according to the predetermined bit pattern.

Method and apparatus of decoding encoded data frame having dummy bit sequences included therein

Method and apparatus of decoding encoded data frame

Ein Verfahren zur Dekodierung eines kodierten Datenrahmens, der Dummy-Bitsequenzen enthalt, die jeweils durch Kodieren eines vorbestimmten Bitmusters erzeugt werden, wird bereitgestellt. Das Verfahren umfasst: Bestimmen einer Begrenzung der Dummy-Bitsequenzen in dem kodierten Datenrahmen und Erzeugen eines dekodierten Datenrahmens gemas einem Teil-Dekodierergebnis und einer Vielzahl von vorbestimmten Bitmustern, wobei jedes zu einer der Dummy-Bitsequenzen innerhalb der Begrenzung korrespondiert, wobei das Teil-Dekodierergebnis durch Dekodieren von kodierten Bits jenseits der Begrenzung gemas dem vorbestimmten Bitmuster erzeugt wird.

Verfahren und Vorrichtung zur Dekodierung eines kodierten Datenrahmens mit darin enthaltenen Dummy-Bitsequenzen

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Method and apparatus of decoding encoded data frame having dummy bit sequences included therein

Method and apparatus of decoding encoded data frame

Verfahren und Vorrichtung zur Dekodierung eines kodierten Datenrahmens mit darin enthaltenen Dummy-Bitsequenzen