Embodiments provide a reference signal receiving and sending method. The solution is used in a plurality of cycles including a first cycle and a second cycle which each includes M first durations, and the first duration includes N paging occasions. The solution includes: determining a first target paging occasion that is in an m.sup.th first duration of the first cycle, where a relative location of the first target paging occasion in the first cycle is different from a relative location of a second target paging occasion in the second cycle, and the second target paging occasion is a target paging occasion in an m.sup.th first duration of the second cycle; determining, based on the first target paging occasion, a time domain resource that is in the m.sup.th first duration of the first cycle; and receiving or sending the reference signal on the time-frequency resource.

A Bluetooth receiver is provided. The Bluetooth receiver comprises interface circuitry configured to receive a receive packet. Further, the Bluetooth receiver comprises physical layer processing circuitry configured to demodulate the receive packet into a bit stream representing a sequence of data symbols. Further, the physical layer configured to determine a number of bits in the bit stream having a highest likelihood of being erroneous as weak-bits and determine locations of the identified weak-bits in the bit stream. The Bluetooth receiver further comprises medium access control layer processing circuitry configured to receive the bit stream and information about the determined locations of the identified weak-bits from the physical layer processing circuitry. Further, the medium access control layer is configured to flip one of the weak-bits and a sequential bit in the bit stream in order to generate a modified bit stream, run a respective cyclic redundancy check on the bit stream and the modified bit stream and compare results of the cyclic redundancy checks on the bit stream and on the modified bit stream.

An error correction device includes a first correction unit which performs error correction decoding of data by a repetitive operation, having a full operation state in which the error correction decoding is repeated until convergence is obtained and a save operation state in which the number of times of the repetitive operation is restricted to a predetermined number. An error information estimation unit estimates an input error rate or an output error rate of the first correction unit using a decoding result of the first correction unit, and a control unit which controls transition between the full operation state and the save operation state based on at least one piece of information of the input error rate, the output error rate, and an operation time of the first correction unit. It is thus possible to provide an error correction device that can improve a transmission characteristic while suppressing power consumption.

A decoding method and associated circuit are provided. The circuit includes a first memory, a decoder and a control circuit. In operations of the circuit, the first memory is configured to receive a data stream; the decoder is configured to receive the data stream to sequentially generate a plurality of frames, and sequentially decode the plurality of frames to respectively generate a plurality of codewords; and the control circuit is configured to determine an allowed maximum iteration count for decoding a current frame according to an iteration count for successfully decoding at least one previous frame of the current frame.

A data processing method is applied to a digital interface, which includes: reading data cached by a data source, where the data source includes a video source and an auxiliary data source; outputting video data, if the video data cached by the video source is not empty, where when the video data is output, corresponding position marks are at start and end positions of a frame structure of the video data and at start and end positions of a row structure of the video data; and outputting auxiliary data, if the video data cached by the video source is empty, the auxiliary data cached by the auxiliary data source is not empty and the frame structure or the row structure of the video data has been output, where when the auxiliary data is output, corresponding position marks are at a start position and an end position of the auxiliary data.

Methods, systems, and devices for wireless communications are described. A wireless device may generate a set of symbols, wherein each symbol of the set of symbols includes a first portion including data and a second portion including a demodulation reference signal (DMRS) sequence, wherein the second portion of each symbol is positioned at the end of the respective symbol. The wireless device may add, to a beginning of each symbol in the set of symbols, a cyclic prefix including the DMRS sequence in the second portion of the respective symbol. The wireless device may then transmit the set of symbols, including the cyclic prefix at the beginning of each respective symbol, in a burst over a wireless channel using a single-carrier waveform.

Systems and methods for error correction in network packets are provided. An example method includes receiving a network packet via a communication channel, the network packet including a content and an error-detecting code associated with the content, determining, based on the error-detecting code, that the network packet is corrupted, selecting a pre-determined number of positions of bits in the content of the network packet, changing values of the bits in the selected positions to a bit value combination selected from all possible bit value combinations in the selected positions to modify the content and calculating a further error-detecting code of the modified content until the further error-detecting code of the modified payload matches the error-detecting code received via the communication channel or all possible bit combinations have been selected, and if the further error-detecting code does not match the error-detecting code, requesting for retransmission of the network packet.

Systems and methods for more efficiently decoding generalized product codes (GPC) are described. A receiving device equipped with a decoder is configured to receive GPC-encoded signals and implement an early termination method to avoid executing multiple operations of the decoding scheme typically used by the receiving device. The receiving device can identify whether a particular condition is satisfied when decoding a signal, and if the condition is satisfied, can omit certain operations of the decoding scheme and thereby reduce power consumption. The particular condition can be satisfied when the syndromes for sign bits in a codeword associated with the received signal are zero.

Methods, systems, and devices for wireless communications are described. A wireless device may generate a set of symbols, wherein each symbol of the set of symbols includes a first portion including data and a second portion including a demodulation reference signal (DMRS) sequence, wherein the second portion of each symbol is positioned at the end of the respective symbol. Th wireless device may add, to a beginning of each symbol in the set of symbols, a cyclic prefix including the DMRS sequence in the second portion of the respective symbol. The wireless device may then transmit the set of symbols, including the cyclic prefix at the beginning of each respective symbol, in a burst over a wireless channel using a single-carrier waveform.

A computer system includes at least one memory and at least one processor coupled to the at least one memory and configured to execute one or more sets of instructions. The one or more sets of instructions, when executed by the at least one processor, cause the computer system to provide virtualized radio access network functions including executing a BP algorithm and provide controller functions including adjusting the total number of iterations of the BP algorithm depending on available computing resources of the computer system.