Abstract
Methods, systems, and devices for wireless communications are described. A first base station may transmit a request for a user equipment (UE) to provide a physical layer report for a second base station. The second base station may be a base station of a dual connectivity configuration, a deactivated base station of the carrier aggregation configuration, or a non-serving base station of the UE. The UE may measure transmissions of the second base station and generate, at the physical layer of the UE, a physical layer report based on the measurements. The UE may transmit the physical layer report to the first base station.
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Specification Information
Specification Information
Technologies
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Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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US2020053584A1 | 5G | 10/12/2021 | ISLD-202112-087 | QUALCOMM INC | Yes | Basis Patent | ||||
CN112534861A | 5G | 10/12/2021 | ISLD-202112-087 | QUALCOMM INC | No | Family Member | ||||
EP3834463A1 | 5G | 10/12/2021 | ISLD-202112-087 | QUALCOMM INC | No | Family Member | ||||
WO2020033066A1 | 5G | 10/12/2021 | ISLD-202112-087 | QUALCOMM INC | No | Family Member | ||||
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Technologies
Product
Use Cases
Services
Claim
1. A method for wireless communication at a user equipment (UE), comprising:
receiving, from a first base station, a request to provide a radio resource control (RRC) layer report for a second base station different from the first base station;
transmitting, via an RRC message and to the first base station, the RRC layer report for the second base station in response to the request to provide the RRC layer report;
receiving, from the first base station and based at least in part on transmitting the RRC layer report, a request to provide a physical layer report for the second base station, wherein the second base station is a base station in a dual-connectivity (DC) configuration, a deactivated base station in a carrier aggregation (CA) configuration, or a non-serving base station of the UE;
measuring a set of physical layer parameters associated with a set of transmissions from the second base station, the measuring based at least in part on the request to provide the physical layer report;
generating the physical layer report based at least in part on the measured set of physical layer parameters; and
transmitting, via a physical layer message, the physical layer report to the first base station in response to the request to provide the physical layer report.
2. The method of claim 1, further comprising:
measuring another set of parameters associated with another set of transmissions from the second base station; and
generating the RRC layer report based at least in part on the measured another set of parameters.
3. The method of claim 1, further comprising:
identifying a window for measuring the set of transmissions from the second base station based at least in part on the request to provide the physical layer report for the second base station.
4. The method of claim 1, wherein the physical layer report includes information on a measured cell identifier (ID), a reference signal type, a reference signal ID, a channel state information (CSI) reference signal (CSI-RS) resource ID, a synchronization signal index, a rank indicator, a precoding matrix index, a channel quality indicator (CQI), a reference signal receive power (RSRP), or a combination thereof.
5. The method of claim 1, wherein the second base station is the base station in the DC configuration.
6. The method of claim 1, wherein the set of transmissions from the second base station comprises one or more synchronization signal blocks (SSBs).
7. The method of claim 5, further comprising:
receiving, from the first base station, an indication that the second base station is added to the DC configuration prior to measuring the set of physical layer parameters.
8. The method of claim 5, further comprising:
receiving a random access configuration message from the first base station based at least in part on the physical layer report.
9. The method of claim 8, further comprising:
performing a random access channel procedure with the second base station based at least in part on the random access configuration message.
10. The method of claim 1, wherein the second base station is the deactivated base station in the CA configuration.
11. The method of claim 10, wherein the set of transmissions from the second base station comprises one or more aperiodic channel state information (A-CSI) reference signals (A-CSI-RS).
12. The method of claim 10, further comprising:
receiving a cell activation message from the first base station based on the physical layer report, wherein the cell activation message indicates the second base station is activated for communications.
13. The method of claim 12, further comprising:
communicating with the second base station based at least in part on the cell activation message.
14. The method of claim 1, wherein the second base station is the non-serving base station of the UE.
15. The method of claim 14, further comprising:
receiving, from the first base station, an indication that the second base station is added as a primary secondary base station.
16. The method of claim 15, further comprising:
performing a random access channel procedure with the second base station based at least in part on the indication.
17. A method for wireless communication at a first base station, comprising:
transmitting, to a user equipment (UE), a request to provide a radio resource control (RRC) layer report for a second base station different from the first base station;
receiving, via an RRC message from the UE, the RRC layer report for the second base station in response to the request to provide the RRC layer report;
transmitting, to the UE, a request to provide a physical layer report for the second base station based at least in part on receiving the RRC layer report, wherein the second base station is a base station in a dual-connectivity (DC) configuration, a deactivated base station in a carrier aggregation (CA) configuration, or a non-serving base station of the UE; and
receiving, via a physical layer message from the UE, the physical layer report for the second base station.
18. The method of claim 17, wherein the second base station is the base station in the DC configuration.
19. The method of claim 18, further comprising:
transmitting, from the first base station to the UE, an indication that the second base station is added to the DC configuration prior to receiving the physical layer report.
20. The method of claim 18, further comprising:
transmitting, from the first base station to the second base station, the physical layer report;
receiving, at the first base station from the second base station, a random access channel configuration message for the second base station, wherein the random access channel configuration message is based at least in part on the physical layer report; and
forwarding, from the first base station to the UE, the random access channel configuration message for the second base station.
21. The method of claim 17, further comprising:
identifying a set of physical layer parameters for the UE to measure for the physical layer report, wherein the set of physical layer parameters are associated with a set of transmissions by the second base station; and
including in the request to provide the physical layer report an indication of the set of physical layer parameters for the UE to measure.
22. The method of claim 17, wherein the second base station is the deactivated base station in the CA configuration.
23. The method of claim 22, further comprising:
transmitting a cell activation message to the UE based on the physical layer report, wherein the cell activation message indicates the second base station is activated for communications.
24. The method of claim 17, wherein the second base station is the non-serving base station of the UE.
25. The method of claim 24, further comprising:
transmitting an indication that the second base station is added as a primary secondary base station.
26. An apparatus for wireless communication at a user equipment (UE), comprising:
a processor,
memory in electronic communication with the processor; and
instructions stored in the memory and executable by the processor to cause the apparatus to:
receive, from a first base station, a request to provide a radio resource control (RRC) layer report for a second base station different from the first base station;
transmit, via an RRC message and to the first base station, the RRC layer report for the second base station in response to the request to provide the RRC layer report;
receive, from the first base station and based at least in part on transmitting the RRC layer report, a request to provide a physical layer report for the second base station, wherein the second base station is a base station in a dual-connectivity (DC) configuration, a deactivated base station in a carrier aggregation (CA) configuration, or a non-serving base station of the UE;
measure a set of physical layer parameters associated with a set of transmissions from the second base station, the measuring based at least in part on the request to provide the physical layer report;
generate the physical layer report based at least in part on the measured set of physical layer parameters; and
transmit, via a physical layer message, the physical layer report to the first base station in response to the request to provide the physical layer report.
27. The apparatus of claim 26, wherein the second base station is the deactivated base station in the CA configuration.
28. The apparatus of claim 26, wherein the set of transmissions from the second base station comprises one or more aperiodic channel state information (A-CSI) reference signals (A-CSI-RS).
29. An apparatus for wireless communication at a first base station, comprising:
a processor,
memory in electronic communication with the processor; and
instructions stored in the memory and executable by the processor to cause the apparatus to:
transmit, to a user equipment (UE), a request to provide a radio resource control (RRC) layer report for a second base station different from the first base station;
receive, via an RRC message from the UE, the RRC layer report for the second base station in response to the request to provide the RRC layer report;
transmit, to the UE, a request to provide a physical layer report for the second base station based at least in part on receiving the RRC layer report, wherein the second base station is a base station in a dual-connectivity (DC) configuration, a deactivated base station in a carrier aggregation (CA) configuration, or a non-serving base station of the UE; and
receive, via a physical layer message from the UE, the physical layer report for the second base station.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.