Abstract
Methods and apparatus utilize hybrid automatic repeat request (HARQ) transmissions and retransmissions that are usable on multiple carriers i.e. joint HARQ processes. For example a downlink (DL) shared channel transmission of a joint HARQ process is received on one of the carriers. A first part of an identity of the joint HARQ process is determined by using HARQ process identity data received on a shared control channel. A second part of the joint HARQ process identity is determined using additional information. The joint HARQ process identity is then determined by combining the first part and the second part. A WTRU is provided that is configured to receive the DL shared channel and to make the aforementioned determinations. A variety of other methods and apparatus configurations are disclosed for utilizing joint HARQ processes in particular in the context of DC-HSDPA.
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4G | 26/11/2013 | ISLD-201311-007 | INTERDIGITAL INC |
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4G | 11/12/2015 | ISLD-201511-004 | INTERDIGITAL INC |
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5G | 08/11/2019 | ISLD-201910-015 | INTERDIGITAL INC | No | Family Member |
Specification Information
Specification Information
Technologies
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US2016373218A1 | 4G | 26/11/2013 | ISLD-201311-007 | INTERDIGITAL INC |
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Claim
1. A wireless transmit/receive unit (WTRU), the WTRU comprising:
a receiver configured to receive a first downlink control information (DCI) format that does not include component carrier information;
the receiver further configured to receive an indication that the WTRU is to receive a second DCI format that includes component carrier information; and
the receiver is further configured to receive a hybrid automatic repeat request (HARQ) transmission via a component carrier determined from the component carrier information included in the second DCI format.
2. WTRU of claim 1 wherein a physical downlink control channel (PDCCH) search space is associated with the second DCI format.
3. The WTRU of claim 2 wherein the PDCCH search space is a WTRU specific search space.
4. The WTRU of claim 1 wherein the first DCI format is a legacy format.
5. The WTRU of claim 1 wherein the indication is received in a configuration message.
6. A method comprising, the method comprising:
receiving a first downlink control information (DCI) format that does not include component carrier information;
receiving an indication that a wireless transmit receive unit (WTRU) is to receive a second DCI format that includes component carrier information; and
receiving a hybrid automatic repeat request (HARQ) transmission via a component carrier determined from the component carrier information included in the second DCI format.
7. The method of claim 6 wherein a physical downlink control channel (PDCCH) search space is associated with the second DCI format.
8. The method of claim 7 wherein the PDCCH search space is a WTRU specific search space.
9. The method of claim 6 wherein the first DCI format is a legacy format.
10. The method of claim 6 wherein the indication is received in a configuration message.
11. A eNodeB, the eNodeB comprising:
a transmitter configured to transmit a first downlink control information (DCI) format that does not include component carrier information;
the transmitter further configured to transmit an indication that the WTRU is to receive a second DCI format that includes component carrier information; and
the transmitter further configured to transmit a hybrid automatic repeat request (HARQ) transmission via a component carrier determined from the component carrier information included in the second DCI format.
12. The eNodeB of claim 11 wherein a physical downlink control channel (PDCCH) search space is associated with the second DCI format.
13. The eNodeB of claim 12 wherein the PDCCH search space is a WTRU specific search space.
14. The eNodeB of claim 11 wherein the first DCI format is a legacy format.
15. The eNodeB of claim 11 wherein the indication is transmitted in a configuration message.
16. A wireless transmit/receive unit (WTRU), the WTRU comprising:
a memory, and
a processor, the processor configured to:
receive a first downlink control information (DCI) format that does not include component carrier information;
receive an indication that the WTRU is to receive a second DCI format that includes component carrier information; and
receive a hybrid automatic repeat request (HARD) transmission via a component carrier determined from the component carrier information included in the second DCI format.
17. The WTRU of claim 16 wherein a physical downlink control channel (PDCCH) search space is associated with the second DCI format.
18. The WTRU of claim 17 wherein the PDCCH search space is a WTRU specific search space.
19. The WTRU of claim 16 wherein the first DCI format is a legacy format.
20. The WTRU of claim 16 wherein the indication is received in a configuration message.
Associated Portfolios
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
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.