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US 11,082,911 B2Granted
Directional synchronization in assisted millimeter wave systems
AssigneeQUALCOMM Incorporated
InventorsNavid Abedini, Bilal Sadiq, Sundar Subramanian, Muhammad Nazmul Islam, Junyi Li
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Abstract
Certain aspects of the present disclosure provide techniques for assisted power control for an uplink signal transmitted during a RACH procedure. A UE may determine a transmit power for transmitting a message during a RACH procedure with a secondary BS, based at least in part, on communication between the UE and a primary BS. The UE may transmit the message to the second BS during the RACH procedure based, at least in part, on the determined transmit power.
Claims8
A method for wireless communication by a first base station (BS), comprising:
- communicating with a user equipment (UE) in a first frequency band;
- determining measurement information of a directional synchronization signal in a second frequency band of a second BS;
- and
- providing the measurement information to the UE, the measurement information configured to assist the UE during performance of a directional access procedure comprising a plurality of communications in the second frequency band between the UE and the second BS by assisting in bypassing at least one of the plurality of communications between the UE and the second BS, wherein the at least the one of the plurality of communications comprises a directional synchronization communication with the second BS, wherein the measurement information comprises:
- time and frequency resources for the UE to use to initiate the directional access procedure;
- and
- quasi-collocation (QCL) information indicating a QCL relationship between the directional synchronization signal in the second frequency band and one or more other synchronization signals in another frequency band.
4 more elements
A first base station (BS) configured for wireless communication, comprising:
- a memory;
- and
- a processor communicatively coupled to the memory, the processor configured to:
- communicate with a user equipment (UE) in a first frequency band;
- determine measurement information of a directional synchronization signal in a second frequency band of a second BS;
- and
- provide the measurement information to the UE, the measurement information configured to assist the UE during performance of a directional access procedure comprising a plurality of communications in the second frequency band between the UE and the second BS by assisting in bypassing at least one of the plurality of communications between the UE and the second BS, wherein the at least the one of the plurality of communications comprises a directional synchronization communication with the second BS, wherein the measurement information comprises:
- time and frequency resources for the UE to use to initiate the directional access procedure;
- and
- quasi-collocation (QCL) information indicating a QCL relationship between the directional synchronization signal in the second frequency band and one or more other synchronization signals in another frequency band.
7 more elements
A method of wireless communication by a user equipment (UE), comprising:
- communicating with a first base station (BS) in a first frequency band;
- receiving, from the first BS, measurement information configured to assist the UE during performance of a directional access procedure between the UE and a second BS in a second frequency band, the directional access procedure comprising a plurality of communications between the UE and the second BS, wherein the measurement information comprises:
- time and frequency resources for the UE to use to initiate the directional access procedure;
- an indication of a directional synchronization signal that is transmitted by the second BS within the time and frequency resources;
- and
- quasi-collocation (QCL) information indicating a QCL relationship between the directional synchronization signal in the second frequency band and one or more other synchronization signals in another frequency band;
- and
- utilizing the measurement information:
- initiating the directional access procedure between the UE and the second BS in the second frequency band;
- and
- bypassing at least one of the plurality of communications between the UE and the second BS, wherein the at least the one of the plurality of communications comprises a directional synchronization communication with the second BS.
8 more elements
A user equipment (UE) configured for wireless communication, comprising:
- a memory;
- and
- a processor communicatively coupled to the memory, the processor configured to:
- communicate with a first base station (BS) in a first frequency band;
- receive, from the first BS, measurement information configured to assist the UE during performance of a directional access procedure between the UE and a second BS in a second frequency band, the directional access procedure comprising a plurality of communications between the UE and the second BS, wherein the measurement information comprises:
- time and frequency resources for the UE to use to initiate the directional access procedure;
- an indication of a directional synchronization signal that is transmitted by the second BS within the time and frequency resources;
- and
- quasi-collocation (QCL) information indicating a QCL relationship between the directional synchronization signal in the second frequency band and one or more other synchronization signals in another frequency band;
- and
- utilizing the measurement information:
- initiate the directional access procedure between the UE and the second BS in the second frequency band;
- and
- bypass at least one of the plurality of communications between the UE and the second BS, wherein the at least the one of the plurality of communications comprises a directional synchronization communication with the second BS.
11 more elements
Dependencies are inferred from the claim text.