Systems and methods for mapping DMRS configuration to phase noise tracking pilot for improved receiver performance
According to certain embodiments, a user equipment ( 810 ) is provided for use in a cellular network. The user equipment ( 810 ) may include a transceiver ( 910 ), a processor ( 920 ), and a memory ( 930 ). The user equipment ( 810 ) may be configured to acquire a Demodulation Reference Signal (DMRS) configuration. A mapping is determined from the DMRS configuration to a phase noise tracking reference signal (PNT-RS). A channel estimate is performed using the DMRS configuration. Phase noise estimation and compensation is performed based on the PNT-RS by using the mapping and the channel estimate.
1. A user equipment for use in a cellular network, the user equipment comprising a transceiver, a processor, and a memory, the user equipment configured to:
send a Demodulation Reference Signal (DMRS) configuration, the DMRS configuration being associated with a mapping to a phase noise tracking reference signal (PNT-RS) transmission, wherein the mapping to the PNT-RS comprises a mapping of the PNT-RS to a specific DMRS port; and
transmit a PNT-RS to a receiver according to the mapping.
2. The user equipment of claim 1 , wherein the transceiver comprises a multi-antenna receiver.
3. The user equipment of claim 1 , wherein the mapping between the DMRS configuration and the PNT-RS transmitted by the network node, allows for phase noise estimation and compensation.
4. The user equipment of claim 1 , wherein the transceiver comprises a multi-antenna transmitter.
5. A method by a user equipment in a cellular network, the method comprising:
send a Demodulation Reference Signal (DMRS) configuration, the DMRS configuration being associated with a mapping to a phase noise tracking reference signal (PNT-RS) transmission, wherein the mapping to the PNT-RS comprises a mapping of the PNT-RS to a specific DMRS port; and
transmitting a PNT-RS to a receiver according to the mapping.
6. The method of claim 5 , wherein the user equipment comprises a multi-antenna receiver.
7. The method of claim 5 , wherein the mapping between the DMRS configuration and the PNT-RS transmitted by the user equipment, allows for phase noise estimation and compensation.
8. The method of claim 5 , wherein the user equipment comprises a multi-antenna transmitter.