Patent classifications
H04L1/0052
Apparatus for generating broadcast signal frame for signaling time interleaving mode and method using the same
An apparatus and method for generating a broadcast signal frame for signaling a time interleaving mode are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal; a power normalizer configured to perform power-normalizing for reducing the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing time interleaving after performing the power-normalizing; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling a time interleaving mode corresponding to the time interleaver for each of physical layer pipes (PLPs).
TELECOMMUNICATIONS METHOD
A method of telecommunications includes the steps of receiving an encoded block having a plurality of values, dividing the received encoded block into a plurality of received segments, each received segment comprising at least two of the values, decoding each received segment by providing, for each received segment, a plurality of estimated encoded sequences, each estimated encoded sequence comprising at least two data units, merging estimated encoded sequences for consecutive segments to provide a plurality of candidate sequences, and selecting one of the plurality of candidate sequences by performing a closest fit calculation between the received encoded data block and each of the candidate sequences. The method is suitable for use in software-defined radios.
Complexity Reduction In New Radio Reduced-Capability User Equipment Devices In Mobile Communications
Various solutions for complexity reduction in New Radio (NR) reduced-capability user equipment (UE) devices in mobile communications are described. An apparatus, implementable in a UE, applies a configuration that results in reduced complexity in decoding, soft buffering, or both. The apparatus then communicates with a network in a hybrid automatic repeat request (HARQ) procedure with the configuration applied.
Constraint-based code block interleaver for data aided receivers
Methods related to wireless communication systems and the transmission of code blocks on such systems are provided. A wireless communication device interleaves a plurality of code block segments in time and frequency. The segments are interleaved by mapping a first code block segment of the plurality of code block segments to a first resource located at a first time and a first frequency, wherein the first code block segment is associated with a first code block, and mapping a second code block segment of the plurality of code block segments to a second resource based on at least one of the first time or the first frequency of the first resource and a code block proximity parameter, wherein the second code block segment is associated with a second code block different from the first code block. The device then transmits the plurality of interleaved code block segments. Other features are also claimed and described.
Systems and Methods for Providing End-to-End Data Protection
A system for providing end-to-end data protection between a transmitting end device and a receiving end device is presented. The system has a transmitting end device to calculate a first check value for a first message, which has first and second data blocks; the receiving end device; and a remapping device. The remapping device is configured to remap a data block among the first and second data blocks for generating a second message for the receiving end device. The remapping device also determines a remapping value based on the data block and the remapped data block, such that a second check value that would be calculated for the second message would be equal to the first check value, and wherein the second message comprises the other one of the first and second data blocks, the remapped data block, and the remapping value.
SIGNAL ANALYSIS MODULE, SIGNAL ANALYSIS DEVICE AND SIGNAL ANALYSIS METHOD
A signal analysis apparatus for analyzing an input signal is described. The input signal includes a symbol sequence. The symbol sequence includes data information and redundant data information. The signal analysis apparatus includes one or more circuits composed of a decoder module, an error correction module, and a processing module. The decoder module is configured to decode the input signal, thereby obtaining a decoded input signal. The error correction module is configured to identify at least one error in the decoded input signal. The processing module is configured to generate a data set. The data set includes information on the at least one identified error. The data set further includes information on at least one of a portion of the input signal being associated with the error and a portion of the decoded input signal being associated with the error. Further, a signal analysis device and a signal analysis method are described.
Data distribution method, data aggregation method, and related apparatuses
A data distribution method, a data aggregation method, and related apparatuses are disclosed. The data distribution method may include: receiving a first packet stream; dividing the first packet stream to obtain a first data block stream; sending the first data block stream to a first circuit; processing, by the first circuit, the first data block stream to obtain a first data stream; distributing, by the first circuit, the first data stream to N1 second circuits of M second circuits in a PT-W, where M is greater than N1, N1 is a positive integer, and M is a positive integer; and processing, by the N1 second circuits, the received first data stream to obtain N1 first code streams. The technical solutions provided by the embodiments of the present application help to meet a requirement for complex bandwidth configuration and extend an application scenario.
Encoding method and communications device
Embodiments disclose an encoding method and a communications device. The method includes: obtaining and encoding a to-be-encoded information bit sequence based on a binary vector P.sub.1 of a first code, to obtain and output an encoded bit sequence, where P.sub.1 is determined based on a binary vector P.sub.2 of a second code and a binary vector P.sub.3 of a third code, P.sub.1, P.sub.2, and P.sub.3 indicate an information bit and a frozen bit of the first code, the second code and the third code respectively, a code length of the first code, the second code and the third code is n.sub.1, n.sub.2 and n.sub.3 respectively, a quantity of information bits of the first code, the second code and the third code is k.sub.1, k.sub.2 and k.sub.3 respectively, n.sub.1=n.sub.2*n.sub.3, and k.sub.1=k.sub.2*k.sub.3. Therefore, parallel decoding can be performed, helping reduce a decoding delay.
Methods and apparatuses for determining number of times of blind decoding schedule signaling, user equipment and base station
The present disclosure provides a method and an apparatus for determining a number of blind decoding attempts of schedule signaling, UE, a base station, and a computer-readable storage medium. The method of determining a number of blind decoding attempts of schedule signaling includes: acquiring control resource set attribute information for each transmission unit, where the control resource set attribute information indicates an attribute of a control resource set corresponding to the transmission unit, and one or more control resource sets are configured for the transmission unit and acquiring number of blind decoding attempts information associated with the control resource set attribute information; and determining a maximum number of blind decoding attempts of the schedule signaling on each control resource set is determined according to the control resource set attribute information and the number of blind decoding attempts information associated with the control resource set attribute information.
Coding method, decoding method, apparatus, and device
A coding method, a decoding method, an apparatus, and a device are provided. The method includes: coding, by a sending device, an information bit sequence to obtain a coded bit sequence, where the coded bit sequence includes an information bit, a frozen bit, a CRC check bit, and a frozen check bit; and a value of the frozen check bit and a value of the CRC check bit are obtained by using a same cyclic shift register; performing, by the sending device, polar coding and rate matching on the coded bit sequence to obtain a to-be-sent rate-matched sequence; and sending, by the sending device, the rate-matched sequence. According to the method, time and space for coding calculation and decoding calculation can be effectively reduced, and calculation complexity is reduced.