Apparatus and method for multiplexing data in wireless communication system
The present disclosure relates to a pre-5 th -Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4 th -Generation (4G) communication system such as Long Term Evolution (LTE). A terminal apparatus in a wireless communication system is provided. The terminal apparatus includes a transceiver configured to transmit and receive a signal, and at least one processor configured to be functionally combined with the transceiver, control the transceiver to transmit a scheduling request (SR) signal by using a pre-allocated resource from a base station, and control the transceiver to transmit uplink (UL) data for a first service by using a resource punctured in a downlink (DL) subframe for a second service, and the pre-allocated resource includes a resource allocated in the DL subframe for the second service.
1. A method of operating a terminal in a wireless communication system, the method comprising:
transmitting, to a base station, a scheduling request (SR) to transmit an uplink (UL) data for a first service; and
transmitting, to the base station, the UL data through a resource punctured in a downlink (DL) resource for a second service allocated to another terminal,
wherein the punctured resource is determined based on a time the SR is transmitted,
wherein the punctured resource is indicated to the another terminal by information transmitted from at least one of the base station or the terminal before DL data for the second service mapped to the DL resource is received by the another terminal, and
wherein the first service is associated with a transmission time interval (TTI) shorter than a TTI associated with the second service.
2. The method of claim 1 , wherein the transmitting of the UL data comprises:
sensing whether the base station transmits DL data in a DL subframe for the second service after transmitting the SR; and
transmitting the UL data for the first service based on a determination that a transmission of DL data is not sensed in the DL subframe for the second service.
3. The method of claim 1 , further comprising:
transmitting, to the base station, a negative-acknowledgement (NACK) for a received DL data for the first service; and
receiving, from the base station, a retransmission of the DL data for the first service through a resource punctured in a UL subframe for the second service.
4. The method of claim 3 , further comprising broadcasting information indicating that the terminal is associated with the first service,
wherein the broadcasted information includes information indicating a size of the DL data for the first service.
5. The method of claim 1 ,
wherein the SR is transmitted on a pre-allocated resource, and
wherein the pre-allocated resource comprises at least one of a resource indicated to the terminal from the base station, a resource determined by the base station in a procedure for setting a radio resource control (RRC) connection between the terminal and the base station, or a cell-specific resource.
6. A terminal apparatus in a wireless communication system, the terminal apparatus comprising:
at least one processor; and
a transceiver configured to:
transmit, to a base station, a scheduling request (SR) to transmit an uplink (UL) data for a first service, and
transmit, to the base station, the UL data through a resource punctured in a downlink (DL) resource for a second service allocated to another terminal,
wherein the punctured resource is determined based on a time the SR is transmitted,
wherein the punctured resource is indicated to the another terminal by information transmitted from at least one of the base station or the terminal before DL data for the second service mapped to the DL resource is received by the another terminal, and
wherein the first service is associated with a transmission time interval (TTI) shorter than a TTI associated with the second service.
7. The terminal apparatus of claim 6 , wherein the at least one processor is further configured to:
sense whether the base station transmits DL data in a DL subframe for the second service after transmitting the SR, and
transmit the UL data for the first service based on a determination that a transmission of DL data is not sensed in the DL subframe for the second service.
8. The terminal apparatus of claim 6 , wherein the transceiver is further configured to:
transmit, to the base station, a negative-acknowledgement (NACK) for a received DL data for the first service, and
receive, from the base station, a retransmission of the DL data for the first service through a resource punctured in a UL subframe for the second service.
9. The terminal apparatus of claim 8 ,
wherein the transceiver is further configured to broadcast information indicating that the terminal is associated with the first service, and
wherein the broadcasted information includes information indicating a size of the DL data for the first service.
10. The terminal apparatus of claim 6 ,
wherein the SR is transmitted on a pre-allocated resource, and
wherein the pre-allocated resource comprises at least one of a resource indicated to the terminal from the base station, a resource determined by the base station in a procedure for setting a radio resource control (RRC) connection between the terminal and the base station, or a cell-specific resource.
11. A base station apparatus in a wireless communication system, the base station apparatus comprising:
at least one processor; and
a transceiver configured to:
receive, from a terminal, a scheduling request (SR) to transmit an uplink (UL) data for a first service, and
receive, from the terminal, the UL data through a resource punctured in a downlink (DL) resource for a second service allocated to another terminal,
wherein the punctured resource is determined based on a time the SR is transmitted,
wherein the punctured resource is indicated to the another terminal by information transmitted from at least one of the base station or the terminal before DL data for the second service mapped to the DL resource is received by the another terminal, and
wherein the first service is associated with a transmission time interval (TTI) shorter than a TTI associated with the second service.
12. The base station apparatus of claim 11 ,
wherein the SR is transmitted on a pre-allocated resource, and
wherein the at least one processor is further configured to:
determine whether a signal strength of a signal received through the pre-allocated resource exceeds or equal to a threshold, and
puncture the resource based on a determination that the signal strength exceeds or equal to the threshold.
13. The base station apparatus of claim 12 , wherein the at least one processor is further configured to control the transceiver to transmit information indicating the pre-allocated resource.
14. The base station apparatus of claim 11 ,
wherein the transceiver is further configured to transmit, to the terminal, a response for the SR comprising information indicating the punctured resource, and
wherein the response includes an index of a cell-specific resource in which the SR is received.
15. The base station apparatus of claim 11 , wherein the transceiver is further configured to:
receive, from the terminal, a negative-acknowledgement (NACK) for a received DL data for the first service, and
transmit, to the terminal, a retransmission of the DL data for the first service through a resource punctured in a UL subframe for the second service.
16. The base station apparatus of claim 11 ,
wherein the SR is transmitted on a pre-allocated resource, and
wherein the pre-allocated resource is determined by the base station in a procedure for setting radio resource control (RRC) connection between the terminal and the base station.
17. The base station apparatus of claim 16 , wherein the pre-allocated resource comprises a cell-specific resource.