Devices for multi-group communications
AssigneeSharp Kabushiki Kaisha
InventorShohei Yamada
Life of this patent
Estimating the term…
Abstract
A User Equipment (UE) configured for multi-group communications is described. The UE includes a processor and instructions stored in memory that is in electronic communication with the processor. The UE detects a plurality of cells. The UE also determines to use multiple groups of one or more cells. The UE further determines a primary secondary cell (PSCell) for a non-primary cell (non-PCell) group based on UE-specific radio resource control (RRC) signaling. The UE additionally receives information using the multiple groups.
Claims12
A User Equipment (UE), comprising:
- a processor;
- memory in electronic communication with the processor;
- instructions stored in the memory, the instructions being executable to:
- determine to use multiple groups of one or more serving cells;
- adjust uplink transmission timing for one or more serving cells of each group so that all serving cells in a group have a same uplink transmission timing,
- wherein the multiple groups comprise a primary cell (PCell) group comprising at least a PCell and one or more non-primary (non-PCell) groups that do not comprise the PCell,
- wherein a path loss reference for a path loss measurement for a secondary cell (SCell) in the PCell group is selected from the PCell or the SCell, wherein the PCell is not used as a path loss reference for a path loss measurement for an SCell in the non-PCell group.
An evolved Node B (eNB), comprising:
- a processor;
- memory in electronic communication with the processor;
- instructions stored in the memory, the instructions being executable to:
- determine to use multiple groups of one or more serving cells;
- and
- receive an uplink signal from one or more serving cells of each group, wherein all serving cells in a group have a same uplink transmission timing;
- wherein the multiple groups comprise at least a primary cell (PCell) group comprising a PCell and one or more non-primary (non-PCell) groups that do not comprise the PCell,
- wherein a path loss reference for a path loss measurement for a secondary cell (SCell) in the PCell group is selected from the PCell or the SCell, wherein the PCell is not used as a path loss reference for a path loss measurement for an SCell in the non-PCell group.
A method on a User Equipment (UE), comprising:
- determining to use multiple groups of one or more serving cells;
- adjusting uplink transmission timing for one or more serving cells of each group so that all serving cells in a group have a same uplink transmission timing,
- wherein the multiple groups comprise a primary cell (PCell) group comprising at least a PCell and one or more non-primary (non-PCell) groups that do not comprise the PCell,
- wherein a path loss reference for a path loss measurement for a secondary cell (SCell) in the PCell group is selected from the PCell or the SCell, wherein the PCell is not used as a path loss reference for a path loss measurement for an SCell in the non-PCell group.
A method for multi-group communications on an evolved Node B (eNB), comprising:
- determining to use multiple groups of one or more serving cells for a User Equipment (UE);
- and
- receiving an uplink signal from one or more serving cells of each group, wherein all serving cells in a group have a same uplink transmission timing;
- wherein the multiple groups comprise a primary cell (PCell) group comprising at least a PCell and one or more non-primary (non-PCell) groups that do not comprise the PCell,
- wherein a path loss reference for a path loss measurement for a secondary cell (SCell) in the PCell group is selected from the PCell or the SCell, wherein the PCell is not used as a path loss reference for a path loss measurement for an SCell in the non-PCell group.
Dependencies are inferred from the claim text.