Simultaneous PUCCH and PUSCH transmissions over different component carriers for new radio
A user equipment (UE) is configured to received phase tracking-reference signals (PT-RS). The UE receives configuration information associated with inserting phase tracking-reference signals (PT-RS) into a physical uplink control channel (PUCCH) signal, generates a first signal that is to be transmitted over the PUCCH and is configured to include one or more PT-RS and transmits the first signal over the PUCCH. The UE may also generate a second signal that is to be transmitted over the PUSCH and is configured to include one or more PT-RS, wherein the configuration information further comprises configuration information associated with inserting PT-RS into a physical uplink control (PUSCH) signal and transmit the second signal over the PUSCH, wherein the PUCCH and PUSCH transmissions are performed simultaneously over different component carriers (CCs).
1. A processor of a user equipment (UE) configured to perform operations comprising:
receiving configuration information associated with inserting phase tracking-reference signals (PT-RS) into a physical uplink control channel (PUCCH) signal;
generating a first signal that is to be transmitted over the PUCCH and is configured to include one or more PT-RS;
transmitting the first signal over the PUCCH;
generating a second signal that is to be transmitted over a physical uplink shared channel PUSCH) and is configured to include one or more PT-RS, wherein the configuration information further comprises configuration information associated with inserting PT-RS into the PUSCH signal; and
transmitting the second signal over the PUSCH, wherein the PUCCH and PUSCH transmissions are performed simultaneously over different component carriers (CCs).
2. The processor of claim 1 , wherein the configuration information corresponding to the PUCCH indicates whether transform precoding is to be utilized for generating the first signal.
3. The processor of claim 1 , wherein generating the first signal includes determining a frequency density for PT-RS based on one or more thresholds and a physical resource block (PRB) parameter indicated in the configuration information.
4. The processor of claim 1 , wherein generating the first signal includes determining a sample density for PT-RS based on a number of PT-RS groups and a number of samples per PT-RS group.
5. The processor of claim 1 , wherein the first signal is generated based on PUCCH format 2, wherein the PUCCH format 2 occupies two orthogonal frequency division multiplexing (OFDM) symbols and wherein generating the first signal includes utilizing a separate gold sequence for each OFDM symbol.
6. The processor of claim 1 , wherein the first signal is generated based on PUCCH format 2, wherein the PUCCH format 2 is configured to include block PT-RS that is based on a number of blocks, a number of tones per block and an offset parameter relative to a PUCCH tone and a PUSCH tone included in the second signal transmitted over the PUSCH on a different component carrier (CC) than the PUCCH.
7. The processor of claim 1 , wherein the PUCCH is configured to a first subcarrier spacing (SCS), the PUSCH is configured with a second different SCS and the first signal is configured to include block PT-RS.
8. The processor of claim 1 , wherein the first signal is generated based on PUCCH format 3 or PUCCH format 4.
9. The processor of claim 8 , wherein, when first signal is generated based on PUCCH format 4, generating the first signal includes utilizing block wise spreading to insert PT-RS into one or more orthogonal frequency division multiplexing (OFDM) symbols of the PUCCH format 4.
10. The processor of claim 1 , wherein configuring the first signal to include PT-RS is triggered based on one or more factors comprising one or more of a uplink control information (UCI) coding rate, a duration of the PUCCH, a duration of a frequency hop of PUCCH and a number of physical resource blocks (PRBs) utilized by the PUCCH.
11. The processor of claim 1 , wherein the first signal is further configured to start on an even-indexed orthogonal frequency division multiplexing (OFDM) slot and have a transmission duration of an even number of OFDM symbols.
12. The processor of claim 11 , wherein the OFDM symbols are configured into multiple OFDM symbol groups and PT-RS is inserted at a boundary between a first OFDM symbol group and a second OFDM symbol group.
13. A processor of a base station configured to perform operations, comprising:
transmitting configuration information to a user equipment (UE), the configuration information associated with the UE inserting phase tracking reference signals (PT-RS) into a physical uplink control channel (PUCCH) signal;
receiving a PUCCH signal from the UE, wherein the PUCCH uplink signal includes one or more PT-RS;
receiving a physical uplink shared channel (PUSCH) signal that includes one or more PT-RS, wherein the configuration information further comprises configuration information associated with the UE inserting PT-RS info the PUSCH signal; and
performing phase tracking based on the one or more PT-RS.
14. The processor of claim 13 , wherein the configuration information corresponding indicates that transform precoding is to not be utilized by the UE for PUCCH format 2.
15. The processor of claim 13 , wherein the configuration information includes a physical resource block (PRB) parameter and indicates to the UE that a frequency density of PT-RS for PUCCH format 2 is to be based on i) one or more thresholds and ii) the PRB parameter.
16. The processor of claim 13 , wherein the configuration information indicates that transform precoding is to be utilized by the UE for PUCCH format 3.
17. The processor of claim 13 , wherein the configuration information corresponding to the PUCCH indicates that a sample density of PT-RS for PUCCH format 3 is to be based on a number of PT-RS groups and a number of samples per PT-RS group.
18. The processor of claim 13 , wherein the PUCCH signal is a PUCCH format 4 signal configured with block wise spreading.
19. A user equipment (UE), comprising:
a transceiver configured to communicate with a base station; and
a processor communicatively coupled to the transceiver and configured to perform operations comprising:
receiving configuration information associated with inserting phase tracking-reference signals (PT-RS) into a physical uplink control channel (PUCCH) signal;
generating a first signal that is to be transmitted over the PUCCH and is configured to include one or more PT-RS;
transmitting the first signal over the PUCCH;
generating a second signal that is to be transmitted over the PUSCH and is configured to include one or more PT-RS, wherein the configuration information further comprises configuration information associated with inserting PT-RS into a physical uplink control (PUSCH) signal; and
transmitting the second signal over the PUSCH, wherein the PUCCH and PUSCH transmissions are performed simultaneously over different component carriers (CCs).
20. The UE of claim 19 , wherein the configuration information corresponding to the PUCCH indicates whether transform precoding is to be utilized for generating the first signal.