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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Technologies
Product
Use Cases
Services
Claim
1. A method implemented in a wireless transmit receive unit (WTRU), the method comprising:
receiving configuration information associated with a serving cell, the serving cell being associated with a plurality of contiguously indexed resource blocks (RBs), the configuration information comprising information relating to a first carrier segment of the serving cell and information relating to a second carrier segment of the serving cell, wherein the information relating to the first carrier segment comprises bandwidth information for the first carrier segment, the information relating to the second carrier segment comprises bandwidth information for the second carrier segment, the first carrier segment comprises a first subset of the contiguously indexed RBs of the serving cell, the second carrier segment comprises a second subset of the contiguously indexed RBs of the serving cell, and the index of a starting RB of the second carrier segment is equal to or greater than the index of a starting RB of the first carrier segment plus the number of RBs comprised in the first carrier segment;
transmitting or receiving information in the serving cell using the first carrier segment;
receiving an indication to use the second carrier segment of the serving cell to transmit or receive information in the serving cell;
activating the second carrier segment for transmitting or receiving information in the serving cell based on receiving the indication; and
deactivating the first carrier segment for transmitting or receiving information in the serving cell based on receiving the indication.
2. The method of claim 1, wherein the first or second carrier segment is used to transmit information in an uplink of the serving cell.
3. The method of claim 1, wherein the first or second carrier segment is used to receive information via a downlink of the serving cell.
4. The method of claim 1, wherein the indication to use the second carrier segment is received in a downlink control information.
5. The method of claim 1, wherein the information relating to the first carrier segment comprises physical downlink shared channel (PDSCH) configuration information specific to the first carrier segment, and the information relating to the second carrier segment comprises PDSCH configuration information specific to the second carrier segment.
6. The method of claim 1, wherein the information relating to the first carrier segment comprises demodulation reference signal (DM-RS) configuration information specific to the first carrier segment, and the information relating to the second carrier segment comprises DM-RS configuration information specific to the second carrier segment.
7. The method of claim 1, further comprising:
activating the second carrier segment for transmitting or receiving information in the serving cell based on expiration of a timer at the WTRU; and
deactivating the first carrier segment for transmitting or receiving information in the serving cell based on expiration of the timer at the WTRU.
8. The method of claim 7, wherein the timer is started based on the WTRU being scheduled on the first carrier segment.
9. A wireless transmit receive unit (WTRU), comprising:
a processor configured to:
receive configuration information associated with a serving cell, the serving cell being associated with a plurality of contiguously indexed resource blocks (RBs), the configuration information comprising information relating to a first carrier segment of the serving cell and information relating to a second carrier segment of the serving cell, wherein the information relating to the first carrier segment comprises bandwidth information for the first carrier segment, the information relating to the second carrier segment comprises bandwidth information for the second carrier segment, the first carrier segment comprises a first subset of the contiguously indexed RBs of the serving cell, the second carrier segment comprises a second subset of the contiguously indexed RBs of the serving cell, and the index of a starting RB of the second carrier segment is equal to or greater than the index of a starting RB of the first carrier segment plus the number of RBs comprised in the first carrier segment;
transmit or receive information in the serving cell using the first carrier segment;
receive an indication to use the second carrier segment of the serving cell to transmit or receive information in the serving cell;
activate the second carrier segment for transmitting or receiving information in the serving cell based on receiving the indication; and
deactivate the first carrier segment for transmitting or receiving information in the serving cell based on receiving the indication.
10. The WTRU of claim 9, wherein the first or second carrier segment is used to transmit information in an uplink of the serving cell.
11. The WTRU of claim 9, wherein the first or second carrier segment is used to receive information via a downlink of the serving cell.
12. The WTRU of claim 9, wherein the indication to use the second carrier segment is received in a downlink control information.
13. The WTRU of claim 9, wherein the information relating to the first carrier segment comprises physical downlink shared channel (PDSCH) configuration information specific to the first carrier segment, and the information relating to the second carrier segment comprises PDSCH configuration information specific to the second carrier segment.
14. The WTRU of claim 9, wherein the information relating to the first carrier segment comprises demodulation reference signal (DM-RS) configuration information specific to the first carrier segment, and the information relating to the second carrier segment comprises DM-RS configuration information specific to the second carrier segment.
15. The WTRU of claim 9, wherein the processor is further configured to:
activate the second carrier segment for transmitting or receiving information in the serving cell based on expiration of a timer at the WTRU; and
deactivate the first carrier segment for transmitting or receiving information in the serving cell based on expiration of the timer at the WTRU.
16. The WTRU of claim 15, wherein the timer is started based on the WTRU being scheduled on the first carrier segment.
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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.