User equipment and base station for mobile communication system

A user equipment for a mobile communication system, comprising:

• a transceiver;
• and
• a processor, being electrically connected to the transceiver, and being configured to perform the following operations:
• monitoring a plurality of SPS PDSCH resources through the transceiver, wherein each of the SPS PDSCH resources is not a periodic resource indicated by a piece of DCI, and each of the SPS PDSCH resources is defined by at least one set of resource configuration parameters;
• determining an SPS HARQ-ACK bit order of a plurality of SPS HARQ-ACK bits, corresponding to the SPS PDSCH resources, in a codebook according to a time-domain position, a CC index and a configuration index corresponding to each of the SPS PDSCH resources, wherein each of the SPS HARQ-ACK bits is configured to indicate downlink reception correctness on the corresponding SPS PDSCH resource;
• generating an HARQ-ACK message comprising the codebook according to the SPS HARQ-ACK bit order;
• monitoring a plurality of PDSCH resources through the transceiver, wherein the PDSCH resources comprise a plurality of dynamically scheduled PDSCH resources and a plurality of activated SPS PDSCH resources;
• determining an HARQ-ACK bit order of a plurality of HARQ-ACK bits, corresponding to the PDSCH resources, in the codebook according to a time-domain position and a CC index of each of the PDSCH resources, wherein each of the HARQ-ACK bits is configured to indicate downlink reception correctness on the corresponding PDSCH resource;
• generating the HARQ-ACK message comprising the codebook according to the SPS HARQ-ACK bit order and the HARQ-ACK bit order;
• and
• transmitting, through the transceiver, the HARQ-ACK message on a PUCCH resource to a base station.

A base station for a mobile communication system, comprising:

• a transceiver;
• and
• a processor, being electrically connected to the transceiver, and being configured to perform the following operations:
• transmitting a plurality of downlink data signals on a plurality of Semi-Persistent Scheduling (SPS) Physical Downlink Shared Channel (PDSCH) resources through the transceiver, each of the SPS PDSCH resources being not a periodic resource indicated by a piece of downlink control information (DCI), and each of the SPS PDSCH resources being defined by at least one set of resource configuration parameters;
• and
• receiving, through the transceiver, a Hybrid Automatic Repeat reQuest acknowledge (HARQ-ACK) message on a Physical Uplink Control Channel (PUCCH) resource from a user equipment, the HARQ-ACK message comprising a codebook;
• wherein the codebook is generated by the user equipment according to an SPS HARQ-ACK bit order of a plurality of SPS HARQ-ACK bits in a codebook, the SPS HARQ-ACK bit order is determined by the user equipment according to a time-domain position, a component carrier (CC) index and a configuration index corresponding to each of the SPS PDSCH resources, and each of the HARQ-ACK bits is configured to indicate downlink reception correctness on the corresponding PDSCH resource,
• wherein the processor is further configured to instruct each of a plurality of to-be-activated SPS PDSCH resources to be activated by a piece of DCI and the transceiver is configured to transmit the piece of DCI,
• wherein each of the pieces of DCI carries an HARQ feedback timing indicator, and a value of each of the HARQ feedback timing indicators maps the activated SPS PDSCH resource to a target slot or a target sub-slot.

A base station for a mobile communication system, comprising:

• a transceiver;
• and
• a processor, being electrically connected to the transceiver, and being configured to perform the following operations:
• transmitting a plurality of downlink data signals on a plurality of SPS PDSCH resources through the transceiver, each of the SPS PDSCH resources being not a periodic resource indicated by a piece of DCI, and each of the SPS PDSCH resources being defined by at least one set of resource configuration parameters;
• and
• receiving, through the transceiver, an HARQ-ACK message on a PUCCH resource from a user equipment, the HARQ-ACK message comprising a codebook;
• wherein the codebook is generated by the user equipment according to an SPS HARQ-ACK bit order of a plurality of SPS HARQ-ACK bits in a codebook, the SPS HARQ-ACK bit order is determined by the user equipment according to a time-domain position, a CC index and a configuration index corresponding to each of the SPS PDSCH resources, and each of the HARQ-ACK bits is configured to indicate downlink reception correctness on the corresponding PDSCH resource,
• wherein the processor is further configured to transmit an activated SPS PDSCH resource to be activated by a first piece of DCI and transmit a dynamically scheduled PDSCH resources to be scheduled by another piece of DCI, and the transceiver is configured to transmit the piece of DCI and the another piece of DCI.