Abstract
A method and apparatus are described for operating a wireless transmit/receive unit (WTRU) in a discontinuous reception (DRX) mode employing carrier aggregation. In one scenario, a physical downlink (DL) shared channel (PDSCH) is received on a DL component carrier (CC) of a particular serving cell during a cell-specific active time, whereby the DL CC is associated with an uplink (UL) CC. Then, a physical DL control channel (PDCCH) is monitored for DL assignments for the particular serving cell, and UL grants for the UL CC, during the cell-specific active time. In another scenario, a first subset of CCs is configured for PDCCH reception, and a second subset of the CCs is not configured for PDCCH reception. DRX is applied to at least one CC in the second subset based on a PDCCH active time of at least one of the CCs in the first subset.
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Technologies
Resource configuration DRX/EDRX/DTX/EDTX
Product
User Equipment (UE/Terminal)
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Wireless communication
Services
Power estimation/control / Saving
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