Transmission of UL control channels with dynamic structures
A method of a user equipment (UE) for transmitting acknowledgement information. The method comprises receiving a physical downlink control channel conveying a downlink control information (DCI) format, a physical downlink shared channel conveying one or more data transport blocks scheduled by the DCI format, and configuration information for transmission of a physical uplink control channel (PUCCH) conveying acknowledgement information in response to the reception of the one or more data transport blocks; and transmitting the PUCCH in time-frequency resources within a first slot. An index of the first slot is configured by the DCI format. The time-frequency resources within the first slot are configured by the DCI format through a configuration of an index of a first symbol, a number of consecutive slot symbols, and an index of a first frequency resource block.
1. A user equipment (UE), comprising:
a transceiver configured to receive a configuration for a code rate; and
a processor operably connected to the transceiver, the processor configured to determine a smallest number of resource blocks (RBs) in a frequency domain required to transmit an uplink control information (UCI) on a physical uplink control channel (PUCCH) with a UCI code rate smaller than or equal to the code rate,
wherein the transceiver is further configured to transmit the PUCCH over the determined number of RBs.
2. The UE of claim 1 , wherein:
the transceiver is further configured to receive a configuration for a set of RBs, and
an RB from the set of RBs is a first RB from the smallest number of RBs.
3. The UE of claim 2 , wherein:
the transceiver is further configured to receive a physical downlink control channel (PDCCH) conveying a downlink control information (DCI) format, and
the DCI format includes a field with a value indicating the RB from the set of RBs.
4. The UE of claim 1 , wherein the transceiver is further configured to:
receive a configuration for a set of symbols of a slot, and
transmit the PUCCH in a slot starting from a symbol from the set of symbols.
5. The UE of claim 1 , wherein the transceiver is further configured to:
receive a configuration for a set of numbers of symbols of a slot, and
transmit the PUCCH in a slot over a number of symbols from the set of numbers of symbols.
6. The UE of claim 1 , wherein the transceiver is further configured to:
receive a configuration for a set of PUCCH formats, and
transmit the PUCCH using a PUCCH format from the set of PUCCH formats.
7. The UE of claim 1 , wherein the transceiver is further configured to receive a physical downlink control channel (PDCCH) conveying a downlink control information (DCI) format, and
wherein the DCI format includes a field with a value indicating a first slot for the PUCCH transmission.
8. A base station, comprising:
a transceiver configured to transmit a configuration for a code rate; and
a processor operably coupled to the transceiver, the processor configured to determine a smallest number of resource blocks (RBs) in a frequency domain required to receive an uplink control information (UCI) on a physical uplink control channel (PUCCH) with a UCI code rate smaller than or equal to the code rate,
wherein the transceiver is further configured to receive the PUCCH over the determined number of RBs.
9. The base station of claim 8 , wherein the transceiver is further configured to receive a configuration for a set of RBs, and
wherein an RB from the set of RBs is a first RB from the smallest number of RBs.
10. The base station of claim 9 , wherein the transceiver is further configured to transmit a physical downlink control channel (PDCCH) conveying a downlink control information (DCI) format, and
wherein the DCI format includes a field with a value indicating the RB from the set of RBs.
11. The base station of claim 8 , wherein the transceiver is further configured to:
transmit a configuration for a set of symbols of a slot, and
receive the PUCCH in a slot starting from a symbol from the set of symbols.
12. The base station of claim 8 , wherein the transceiver is further configured to:
transmit a configuration for a set of numbers of symbols of a slot, and
receive the PUCCH in a slot over a number of symbols from the set of numbers of symbols.
13. The base station of claim 8 , wherein the transceiver is further configured to:
transmit a configuration for a set of PUCCH formats, and
receive the PUCCH using a PUCCH format from the set of PUCCH formats.
14. The base station of claim 8 , wherein the transceiver is further configured to transmit a physical downlink control channel (PDCCH) conveying a downlink control information (DCI) format, and
wherein the DCI format includes a field with a value indicating a first slot for the PUCCH reception.
15. A method for transmitting a physical uplink control channel (PUCCH), the method comprising:
receiving a configuration for a code rate;
determining a smallest number of resource blocks (RBs) in a frequency domain required to transmit an uplink control information (UCI) on a physical uplink control channel (PUCCH) with a UCI code rate that is smaller than or equal to the code rate; and
transmitting the PUCCH over the determined number of RBs.
16. The method of claim 15 , further comprising:
receiving a configuration for a set of RBs, wherein an RB from the set of RBs is a first RB from the smallest number of RBs.
17. The method of claim 16 , further comprising:
receiving a physical downlink control channel (PDCCH) conveying a downlink control information (DCI) format, wherein the DCI format includes a field with a value indicating the RB from the set of RBs.
18. The method of claim 15 , further comprising:
receiving a configuration for a set of symbols of a slot; and
transmitting the PUCCH in a slot starting from a symbol from the set of symbols.
19. The method of claim 15 , further comprising:
receiving a configuration for a set of numbers of symbols of a slot, and
transmitting the PUCCH in a slot over a number of symbols from the set of numbers of symbols.
20. The method of claim 15 , wherein:
receiving a configuration for a set of PUCCH formats, and
transmitting the PUCCH using a PUCCH format from the set of PUCCH formats.