Abstract
A method and an apparatus for utilizing multiple carriers are disclosed. A wireless transmit/receive unit (WTRU) capable of receiving on a single downlink carrier at a time may tune the receiver to one downlink carrier and switch the downlink carrier in accordance with a configured pattern. The WTRU may switch the carrier from an anchor carrier to a non-anchor carrier at a high speed shared control channel (HS-SCCH) sub-frame boundary and switches back at an end of a subsequent high speed physical downlink shared channel (HS-PDSCH) subframe. The WTRU may switch the carrier at an HS-PDSCH sub-frame boundary. A WTRU capable of receiving on multiple downlink carriers simultaneously may tune the receiver to an anchor carrier and a supplementary carrier and switch the supplementary carrier to another carrier based on a carrier switching order. The carrier switching order may be received via an HS-SCCH or via layer 2 signaling.
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4G | 30/11/2012 | ISLD-201210-008 | INTERDIGITAL INC | No | Family Member | ||||
5G | 22/12/2017 | ISLD-201711-004 | INTERDIGITAL INC |
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No | Family Member | |||
5G | 21/06/2019 | ISLD-201906-026 | INTERDIGITAL INC |
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Specification Information
Specification Information
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Technologies
Scheduling
Product
Use Cases
Services
Claim
A method, implemented in a network element, for utilizing multiple carriers, the method comprising:
sending an indication to a wireless transmit/receive unit (WTRU) via a control channel on a first downlink carrier, wherein the indication indicates that the WTRU is to receive data on a second downlink carrier, and wherein the first downlink carrier and the second downlink carrier are characterized by different subframe configurations for channel quality indicator (CQI) reporting; and
sending the data on the second downlink carrier in accordance with the indication.
2. The method of claim 1, wherein the control channel is a physical downlink control channel (PDCCH) of the first downlink carrier.
3. The method of claim 2, wherein the indication is sent via downlink control information (DCI) of the PDCCH.
4. The method of claim 2, wherein the indication is one or more additional bits of the PDCCH that indicate the second downlink carrier for receiving the data to the WTRU.
5. The method of claim 1, wherein the data is sent via a physical downlink shared channel (PDSCH) of the second downlink carrier.
6. The method of claim 1, wherein the first downlink carrier is an anchor carrier and the second downlink carrier is a non-anchor carrier.
7. The method of claim 1, wherein the network element is a Node B.
8. A network element for utilizing multiple carriers, the network element comprising:
a processor configured to:
send an indication to a wireless transmit/receive unit (WTRU) via a control channel on a first downlink carrier, wherein the indication indicates that the WTRU is to receive data on a second downlink carrier, wherein the first downlink carrier and the second downlink carrier are characterized by different subframe configurations for channel quality indicator (CQI) reporting; and
send the data on the second downlink carrier in accordance with the indication.
9. The network element of claim 8, wherein the control channel is a physical downlink control channel (PDCCH) of the first downlink carrier.
10. The network element of claim 9, wherein the indication is sent via a downlink control information (DCI) format of the PDCCH.
11. The network element of claim 9, wherein the indication is one or more additional bits of the PDCCH that indicate the second downlink carrier for receiving the data to the WTRU.
12. The network element of claim 8, wherein the processor is configured to send the data via a physical downlink shared channel (PDSCH) of the second downlink carrier.
13. The network element of claim 8, wherein the first downlink carrier is an anchor carrier and the second downlink carrier is a non-anchor carrier.
14. The network element of claim 8, wherein the network element is a Node B.
15. The method of claim 1, wherein the second downlink carrier comprises a control channel.
16. The method of claim 1, wherein the indication comprises an explicit indication of a carrier number of the second downlink carrier.
17. The network element of claim 8, wherein the second downlink carrier comprises a control channel.
18. The network element of claim 8, wherein the indication comprises an explicit indication of a carrier number of the second downlink carrier.
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.