Method for concurrently accessing plurality of cells and user equipment
First Claim
1. A method for concurrently accessing a plurality of cells, the method performed by a user equipment (UE) and comprising:
- setting a connection with any one cell corresponding to a primary cell among frequency division duplex (FDD)-based cells and time division duplex (TDD)-based cells;
receiving, from the any one cell, first cell indexes for the FDD-based cells and second cell indexes for the TDD-based cells; and
setting a connection with a secondary cell indicated by any one index among the first cell indexes and the second cell indexes,wherein at least one value among the first cell indexes overlaps with at least one value of the second cell indexes.
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Accused Products
Abstract
A method and user equipment (UE) are provided for concurrently accessing a plurality of cells. The UE sets a connection with any one cell corresponding to a primary cell among frequency division duplex (FDD)-based cells and time division duplex (TDD)-based cells, and receives, from the any one cell, first cell indexes for the FDD-based cells and second cell indexes for the TDD-based cells. The UE further sets a connection with a secondary cell indicated by any one index among the first cell indexes and the second cell indexes. At least one value among the first cell indexes overlaps with at least one of the second cell indexes.
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Citations
12 Claims
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1. A method for concurrently accessing a plurality of cells, the method performed by a user equipment (UE) and comprising:
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setting a connection with any one cell corresponding to a primary cell among frequency division duplex (FDD)-based cells and time division duplex (TDD)-based cells; receiving, from the any one cell, first cell indexes for the FDD-based cells and second cell indexes for the TDD-based cells; and setting a connection with a secondary cell indicated by any one index among the first cell indexes and the second cell indexes, wherein at least one value among the first cell indexes overlaps with at least one value of the second cell indexes.
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2. The method of claim 1, wherein a value of a cell index for the primary cell is zero (0), which does not overlap with the first cell indexes and the second cell indexes.
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3. The method of claim 1, further comprising:
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when simultaneous transmission of a physical uplink control channel (PUCCH) and a physical uplink shared channel (PUSCH) is configured, determining whether there are one or more connected FDD-based cells; and when there are one or more connected FDD-based cells, performing transmission by including the entirety or part of uplink control information (UCI) on a PUSCH of an FDD-based cell having a lowest cell index among the first cell indexes.
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4. The method of claim 1, further comprising:
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when a sounding reference signal (SRS) is transmitted to the FDD-based cells and the TDD-based cells, distributing determined maximum transmission power to the FDD-based cells and the TDD-based cells; scaling transmission power distributed for the FDD-based cells; and scaling transmission power distributed for the TDD-based cells.
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5. The method of claim 1, further comprising:
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when a sounding reference signal (SRS) is transmitted to the FDD-based cells and the TDD-based cells, allocating determined maximum transmission power to the TDD-based cells; and allocating remaining transmission power to the FDD-based cells after a previous allocation.
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6. The method of claim 1, further comprising:
when a channel state information (CSI) report to be transmitted to the FDD-based cells and a CSI report to be transmitted to the TDD-based cells collide on one subframe, dropping the CSI report to be transmitted to the TDD-based cells, and transmitting the CSI report to the FDD-based cells.
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7. A user equipment (UE) capable of concurrently accessing a plurality of cells, the UE comprising:
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a wireless transceiver; and a processor configured to; control the wireless transceiver to set a connection with any one cell corresponding to a primary cell among frequency division duplex (FDD)-based cells and time division duplex (TDD)-based cells, control the wireless transceiver to receive, from the any one cell, first cell indexes for the FDD-based cells and second cell indexes for the TDD-based cells, and control the wireless transceiver to configure a connection with a secondary cell indicated by any one index among the first cell indexes and the second cell indexes, wherein at least one value among the first cell indexes overlaps with at least one value of the second cell indexes.
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8. The UE of claim 7, wherein a value of a cell index for the primary cell is zero (0), which does not overlap with the first cell indexes and the second cell indexes.
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9. The UE of claim 7, wherein the processor is further configured to:
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determine whether there are one or more connected FDD-based cells, when simultaneous transmission of a physical uplink control channel (PUCCH) and a physical uplink shared channel (PUSCH) is configured; and perform transmission by including the entirety or part of uplink control information (UCI) on a PUSCH of an FDD-based cell having a lowest cell index among the first cell indexes, when there are one or more connected FDD-based cells.
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10. The UE of claim 7, wherein the processor is further configured to:
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when a sounding reference signal (SRS) is transmitted to the FDD-based cells and the TDD-based cells, distribute determined maximum transmission power to the FDD-based cells and the TDD-based cells, scale transmission power distributed for the FDD-based cells, and scale transmission power distributed for the TDD-based cells.
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11. The UE of claim 7, wherein the processor is further configured to:
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when a sounding reference signal (SRS) is transmitted to the FDD-based cells and the TDD-based cells, allocate determined maximum transmission power to the TDD-based cells, and allocate remaining transmission power to the FDD-based cells after a previous allocation.
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12. The UE of claim 7, wherein the processor is further configured to:
when a channel state information (CSI) report to be transmitted to the FDD-based cells and a CSI report to be transmitted to the TDD-based cells collide on one subframe, drop the CSI report to be transmitted to the TDD-based cells, and transmit the CSI report to the FDD-based cells.
Specification