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US 2013/0155914 A1Published application
Resource allocation for pucch format 1b with channel selection in an lte-a tdd system
OwnerPing Wang, Debdeep Chatterjee +1inventors
InventorsPing Wang, Debdeep Chatterjee, Jong-Kae Fwu
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Abstract
Embodiments of methods and apparatus for resource allocation for physical uplink control channels are described herein. Other embodiments may be described and claimed.
Claims30
A method comprising:
- receiving one or more synchronization signals from a primary cell (PCell);
- receiving an activation command for a secondary cell (SCell);
- receiving, in one or more control channel elements (CCEs), a physical downlink control channel (PDCCH) transmission to indicate a physical downlink shared channel (PDSCH) transmission on the SCell;
- and
- determining an allocation of a physical uplink control channel (PUCCH) resource based on a first CCE of the one or more CCEs.
2 more elements
A user equipment (UE) comprising:
- receiving means to receive a downlink frame in a physical downlink shared channel (PDSCH) of a secondary cell (SCell) as indicated by detection of a physical downlink control channel (PDCCH) on the SCell;
- scheduling means to determine an indication of a physical uplink control channel (PUCCH) resource using a field in downlink control information transmitted on the PDCCH;
- and
- transmitting means to transmit, in the PUCCH resource, hybrid automatic request (HARQ) acknowledgement (ACK) information.
1 more element
An apparatus for use in a wireless network, the apparatus comprising:
- processing circuitry to determine a physical uplink control channel (PUCCH) resource allocation from a physical downlink control channel (PDCCH) that indicates a physical downlink shared channel (PDSCH) of a secondary cell (SCell),
- wherein two to four PUCCH resources are to be implicitly indicated by one or more PDCCH transmissions on a primary cell (PCell) or the SCell.
An apparatus for use in a wireless network comprising a primary cell (PCell) and a secondary cell (SCell), the apparatus comprising:
- processing circuitry to allocate, for transmission of hybrid automatic repeat request (HARQ) acknowledgement (ACK) information, one or more physical uplink control channel (PUCCH) resources of an uplink subframe using one or more physical downlink control channel (PDCCH) transmissions in the PCell or SCell,
- wherein the apparatus is to indicate a first PUCCH resource of the one or more PUCCH resources using an index of a control channel element carrying a first PDCCH transmission of the one or more PDCCH transmissions, and between two and four downlink subframes are to be used to indicate the allocated PUCCH resources of the uplink subframe.
An apparatus for use in a wireless network comprising a primary cell (PCell) and a secondary cell (SCell), the apparatus comprising:
- processing circuitry to allocate physical uplink control channel (PUCCH) resources,
- wherein the apparatus is to explicitly indicate at least one of the PUCCH resources using a field in downlink control information transmitted on a physical downlink control channel (PDCCH) transmission of the SCell.
Dependencies are inferred from the claim text.