Encoding and decoding using Golay-based block codes

    公开(公告)号:US11057055B2

    公开(公告)日:2021-07-06

    申请号:US16476053

    申请日:2018-01-08

    Abstract: Wireless communication devices are adapted to employ Golay-based matrices for encoding a wireless transmissions. According to at least one example, a wireless communication device can identify an information vector to be transmitted as a wireless communication. A Golay-based generator matrix may be selected based on a length of the information vector, where the selected Golay-based generator matrix is generated by shortening a Golay generator matrix by removing a plurality of columns of systematic bits and a plurality of rows to obtain the shortened generator matrix, and extending the shortened generator matrix to obtain an extended generator matrix by adding columns to at least the systematic bits and appending rows to obtain a desired matrix size. A respective bit value may be determined for bits in each added column and for at least some of the bits in each appended row. Other aspects, embodiments, and features are also included.

    Sub-band configuration for preemption indication to eMBB UEs

    公开(公告)号:US11032032B2

    公开(公告)日:2021-06-08

    申请号:US16201709

    申请日:2018-11-27

    Abstract: Aspects of the present disclosure describe an indication channel for wireless communications that indicates whether an ultra-reliable low-latency communication (URLLC) transmission is present in an enhanced mobile broad band (eMBB) slot. A user equipment (UE) may receive an indication channel identifying one or more resources defined by time domain parts and frequency domain parts that have been punctured by an Ultra-Reliable Low latency Communication (URLLC) transmission. The number of frequency domain parts may be greater than or equal to two. The UE may determine a number of resource block groups (RBGs) in an active band width part (BWP) of the UE. The UE may map the RBGs in the BWP among each of a number of sub-bands equal to the number of frequency domain parts based on a pre-defined rule.

    Hybrid polar code design for ultra-reliable low latency communications (URLLC)

    公开(公告)号:US11031958B2

    公开(公告)日:2021-06-08

    申请号:US16447695

    申请日:2019-06-20

    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may determine to block puncture or to block shorten a set of transmitted bits of an adjusted fractally enhanced kernel polar code for a communication of an incremental redundancy (IR)-hybrid automatic repeat request (HARQ) process based at least in part on a code rate associated with the communication of the IR-HARQ process. The wireless communication device may generate the adjusted fractally enhanced kernel polar code for the communication based at least in part on determining to block puncture or to block shorten the set of transmitted bits. The wireless communication device may transmit the communication using the adjusted fractally enhanced kernel polar code. Numerous other aspects are provided.

    Subslot physical downlink control channel monitoring and downlink preemption indication

    公开(公告)号:US11026225B2

    公开(公告)日:2021-06-01

    申请号:US16449826

    申请日:2019-06-24

    Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive multiple physical downlink control channels (PDCCHs) in one or more slots along with data traffic, where one of the PDCCHs includes a downlink preemption indication (DLPI) signifying that a portion of the data traffic was preempted. In some cases, the UE may monitor, within a same slot, for both the data traffic and an additional PDCCH carrying the DLPI and then transmit, within the same slot, a feedback message based on attempting to decode the data traffic, taking into account the DLPI. Additionally, the UE may receive the data traffic via a first service, where the DLPI indicates a second service preempts the first service. In some cases, the DLPI may be transmitted based on the UE being capable of processing the data traffic and transmitting the feedback message within the same slot.

    Support for single-code user equipment

    公开(公告)号:US10999849B2

    公开(公告)日:2021-05-04

    申请号:US16442020

    申请日:2019-06-14

    Abstract: Methods, systems, and devices for wireless communication are described. A wireless device may determine that a serving base station supports multi-code and single-code transmissions, receiving a scheduling message having a cyclic redundancy check scrambled with a radio network temporary identifier (RNTI), determine resources for communicating with the serving base station based on the scheduling message, and communicate on the resources using coding associated with the single-code transmissions. A base station may identify at least one user equipment that supports single-code transmissions, transmit a scheduling message having a cyclic redundancy check (CRC) scrambled with a radio network temporary identifier (RNTI), wherein the scheduling message schedules the at least one user equipment for communication on resources using coding associated with the single-code transmissions and communicate with the at least one user equipment on the resources using the coding.

    Uplink preemption indication management

    公开(公告)号:US10966240B2

    公开(公告)日:2021-03-30

    申请号:US16381696

    申请日:2019-04-11

    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a preemption indication identifying at least one symbol of a grant for preemption. The user equipment may selectively preempt the at least one symbol of the grant based at least in part on a receive time of the preemption indication, a processing time threshold, and a preemption time of the at least one symbol of the grant. Numerous other aspects are provided.

    Ultra-reliable low-latency communication indication channelization designs

    公开(公告)号:US10958394B2

    公开(公告)日:2021-03-23

    申请号:US15917566

    申请日:2018-03-09

    Abstract: In some circumstances, a URLLC may preempt resource. An apparatus may be configured to receive a set of resource blocks from a base station including at least one of eMBB data or URLLC data in a PDSCH. The apparatus may receive a URLLC indicator from the base station. The URLLC indicator may be received embedded within the URLLC data or received separate from the URLLC data within DCI of a PDCCH. The URLLC indicator indicates whether the set of resource blocks includes at least part of the URLLC data. The apparatus may determine, based on the URLLC indicator, whether the set of resource blocks includes the URLLC data and processing the set of resource blocks based on a result of determining whether the set of resource blocks includes the URLLC data.

    Code block group retransmission
    460.
    发明授权

    公开(公告)号:US10944512B2

    公开(公告)日:2021-03-09

    申请号:US16178100

    申请日:2018-11-01

    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitter device may transmit, using a plurality of codewords, a plurality of code block groups, wherein the plurality of codewords includes a first codeword associated with a first set of code block groups, of the plurality of code block groups, and a second codeword associated with a second set of code block groups of the plurality of code block groups. The transmitter device may retransmit, after a failure associated with at least one code block group of the first set of code block groups, the at least one code block group using the second codeword. In some aspects, the transmitter may retransmit the at least one code block group using the first codeword and transmit a new transport block using the second codeword. Numerous other aspects are provided.

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