Abstract
Systems, methods, and instrumentalities are disclosed for downlink resource allocation associated with a shared frequency band. A WTRU may receive resource allocation information associated with a component carrier and at least one carrier segment. The component carrier and the least one carrier segment may each comprise a plurality of resource block groups (RBG). At least two bitmaps may be associated with the resource allocation information. A size of a resource block group (RBG) of the component carrier and the at least one carrier segment may be based on a combined number of resource blocks (RB) of the component carrier and the one or more carrier segments divided by a 3GPP Rel-8/Rel-10 RBG size of the component carrier. The WTRU may determine at least one RBG allocated to the WTRU using the resource allocation information and may receive and decode the at least one RBG allocated to the WTRU.
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5G | 16/01/2019 | ISLD-201812-064 | INTERDIGITAL INC | No | Family Member |
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US8897253B2 | 5G | 16/01/2019 | ISLD-201812-064 | INTERDIGITAL INC | Yes | Basis Patent | ||||
CN103733560A | 5G | 16/01/2019 | ISLD-201812-064 | INTERDIGITAL INC | No | Family Member | ||||
CN103733560B | 5G | 16/01/2019 | ISLD-201812-064 | INTERDIGITAL INC | No | Family Member | ||||
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KR101595676B1 | 5G | 16/01/2019 | ISLD-201812-064 | INTERDIGITAL INC | No | Family Member | ||||
KR20140054242A | 5G | 16/01/2019 | ISLD-201812-064 | INTERDIGITAL INC | No | Family Member | ||||
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Technologies
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Claim
1-20. (canceled)
21. A method implemented by a wireless transmit receive unit (WTRU), the method comprising:
receiving a control message associated with a carrier segment, wherein the carrier segment comprises an extension to a nominal bandwidth of a component carrier; determining, based on the control message, whether a reference signal is transmitted on the carrier segment; determining, based on a determination that the reference signal is transmitted on the carrier segment, a number of antenna ports used for transmitting the reference signal; and receiving the reference signal on the carrier segment.
22. The method of claim 21, wherein the reference signal comprises a cell-specific reference signal (CRS).
23. The method of claim 21, further comprising determining a reference signal pattern based on the control message.
24. The method of claim 23, wherein the reference signal pattern indicates that the reference signal is transmitted every N subframes, N being greater than one.
25. The method of claim 21, further comprising receiving a primary synchronization signal (PSS) or a secondary synchronization signal (SSS) on the carrier segment.
26. The method of claim 25, further comprising maintaining timing synchronization for the carrier segment using one or more of the PSS, the SSS, or the reference signal.
27. The method of claim 25, wherein a time or frequency location of the PSS or the SSS within the carrier segment is different than a time or frequency location of a PSS or SSS that is transmitted in the nominal bandwidth.
28. The method of claim 21, wherein the control message is received during an RRC connection configuration procedure.
29. The method of claim 21, wherein the control message is received in a Master Information Block (MIB).
30. A wireless transmit receive unit (WTRU) comprising:
a processor configured to: receive a control message associated with a carrier segment, wherein the carrier segment comprises an extension to a nominal bandwidth of a component carrier; determine, based on the control message, whether a reference signal is transmitted on the carrier segment; determine, based on a determination that the reference signal is transmitted on the carrier segment, a number of antenna ports used for transmitting the reference signal; and receive the reference signal on the carrier segment.
31. The WTRU of claim 30, wherein the reference signal comprises a cell-specific reference signal (CRS).
32. The WTRU of claim 30, wherein the processor is further configured to determine a reference signal pattern based on the control message.
33. The WTRU of claim 32, wherein the reference signal pattern indicates that the reference signal is transmitted every N subframes, N being greater than one.
34. The WTRU of claim 30, wherein the processor is further configured to receive a primary synchronization signal (PSS) or a secondary synchronization signal (SSS) on the carrier segment.
35. The WTRU of claim 34, wherein the processor is further configured to maintain timing synchronization for the carrier segment using one or more of the PSS, the SSS, or the reference signal.
36. The WTRU of claim 34, wherein a time or frequency location of the PSS or the SSS within the carrier segment is different than a time or frequency location of a PSS or SSS that is transmitted in the nominal bandwidth.
37. The WTRU of claim 30, wherein the control message is received during an RRC connection configuration procedure.
38. The WTRU of claim 30, wherein the control message is received in a Master Information Block (MIB).
39. The WTRU of claim 30, wherein the carrier segment is comprised in a guard band of the component carrier.
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.