Abstract
Systems and methodologies are described that facilitate to split a common total power resource among a plurality of carriers. A power distribution scheme can be employed jointly across the plurality of carriers to determine an amount of power to allocate to respective carriers. Based upon an amount of power allocated a packet format can be selected for each carrier based upon the amount of power allocated to the carrier and/or a serving grant associated with the carrier.
Systems and methodologies are described that facilitate to split a common total power resource among a plurality of carriers. A power distribution scheme can be employed jointly across the plurality of carriers to determine an amount of power to allocate to respective carriers. Based upon an amount of power allocated a packet format can be selected for each carrier based upon the amount of power allocated to the carrier and/or a serving grant associated with the carrier.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
3G | 28/02/2011 | ISLD-201104-002 | QUALCOMM INC | No | Family Member | ||||
Not Available | 28/02/2011 | ISLD-201104-002 | QUALCOMM INC | No | Family Member | ||||
3G | 29/01/2017 | ISLD-201703-174 | QUALCOMM INC | No | Family Member |
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Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies

Product
Use Cases

Services
Claim
1. A method, comprising: determining a total power available for high speed uplink packet transmissions, wherein the total power available is shared by a plurality of carriers; distributing the total power available across the plurality of carriers, wherein a power distribution of the total power available is jointly determined; and selecting a packet format for a carrier from the plurality of carriers, wherein selecting is based at least in part on a serving grant associated with the carrier and an amount of power allocated to the carrier.
2. The method of claim 1 , wherein a power required to transmit the packet format selected for the carrier is one of equal to or less than the serving grant associated with the carrier.
3. The method of claim 1, wherein distributing the total power available across the plurality of carriers comprises evaluating all carriers from the plurality of carriers together to determine the power distribution.
4. The method of claim 1 , wherein distributing the total power available across the plurality of carriers further comprises: identifying a retransmission carrier in the plurality of carriers, wherein the retransmission carrier is associated with a retransmission; and allocating an amount of power to the retransmission carrier, wherein the amount of power is a power required for the retransmission.
5. The method of claim 4, further comprising distributing, to remaining carriers in the plurality of carriers, any power remaining after allocation of power to the retransmission.
6. The method of claim 1 , wherein distributing the total power available comprises employing a water-filling scheme.
7. The method of claim 6, wherein the water- filling scheme includes an optimization search in which a solution of the optimization search maximizes a total data rate across all carriers given the amount of power allocated to each carrier.
8. The method of claim 1 , wherein distributing the total power available comprises employing a greedy- filling scheme.
9. The method of claim 8, wherein employing the greedy- filling scheme further comprises: ranking the plurality of carriers based upon a pilot transmit power associated with each carrier; and allocating power from the total power available to a highest ranked carrier until at least one of a serving grant associated with the highest ranked carrier is satisfied or the total power available is exhausted
10. The method of claim 9, further comprising: determining an amount of remaining power after allocation of power to the highest ranked carrier; selecting a next highest ranked carrier; and allocating power from the amount of remaining power until at least one of a serving grant associated with the next highest ranked carrier is satisfied or the amount of remaining power is exhausted
11. The method of claim 9, further comprising: iteratively selecting a ranked carrier from the plurality of carriers and allocating power to the carrier until at least one of the total power available is exhausted or each carrier in the plurality of carriers is allocated a portion of power
12. The method of claim 1 , wherein distributing the total power available comprises employing an equal split scheme such that each carrier in the plurality of carriers is allocated an equal share of the total power available
13. The method of claim 1 , wherein the total power available comprises a maximum transmit power with at least one of a transmit power of a dedicated channel (DCH), a transmit power of a control channel, or a transmit power of retransmissions deducted
14. The method of claim 1, wherein selecting the packet format for the carrier comprises: classifying each packet format from a set of packet formats as one of supported or blocked based at least in part on a power required to transmit each packet format and the amount of power allocated to the carrier; and selecting a supported packet format
15. The method of claim 1, further comprising updating the serving grant associated with the carrier in accordance with a scheduling grant
16. The method of claim 1, wherein the packet format is an enhanced dedicated channel (E-DCH) transport format combination (E-TFC)
17. A wireless communications apparatus, comprising: at least one processor configured to: identify a total power available for high speed uplink packets transmissions, wherein the total power available is shared by a plurality of carriers; split the total power available across the plurality of carriers in accordance with a power distribution scheme; and choose a packet format for a carrier from the plurality of carriers based at least in part on a serving grant associated with the carrier and an amount of power allocated to the carrier
18. The wireless communications apparatus of claim 17, wherein the at least one processor is further configured to: compare a power required to transmit a packet format from a set of packet formats with the amount of power allocated to the carrier; categorize the packet format as supported when the power required to transmit the packet format is less than or equal to the power allocated to the carrier; and categorize the packet format as blocked when the power required to transmit the packet format exceeds the power allocated to the carrier
19. The wireless communications apparatus of claim 17, wherein the power distribution scheme is a greedy-filling scheme.
20. The wireless communications apparatus of claim 17, wherein the power distribution scheme is a water-filling scheme.
21. The wireless communications apparatus of claim 17, wherein the power distribution scheme is an equal splitting scheme.
22. The wireless communications apparatus of claim 17, wherein the at least one processor is further configured to evaluate all carriers from the plurality of carriers together to apply the power distribution scheme.
23. The wireless communications apparatus of claim 17, wherein the at least one processor is further configured to: receive a scheduling grant on a carrier; and update a serving grant associated with the carrier in accordance with the scheduling grant.
24. An apparatus, comprising: means for determining a total power available for high speed uplink packet transmissions, wherein the total power available is shared by a plurality of carriers; means for distributing the total power available across the plurality of carriers, wherein a power distribution of the total power available is jointly determined; and means for selecting a packet format for a carrier from the plurality of carriers, wherein selecting is based at least in part on a serving grant associated with the carrier and an amount of power allocated to the carrier.
25. The apparatus of claim 24, further comprising means for evaluating all carriers from the plurality of carriers together to determine the power distribution.
26. The apparatus of claim 24, wherein the power distribution conforms to a water- filling scheme.
27. The apparatus of claim 24, wherein the power distribution conforms to a greedy- filling scheme.
28. The apparatus of claim 24, wherein the power distribution conforms to an equal split scheme such that each carrier in the plurality of carriers is allocated an equal share of the total power available.
29. The apparatus of claim 24, wherein the total power available comprises a maximum transmit power with at least one of a transmit power of a dedicated channel (DCH), a transmit power of a control channel, or a transmit power of retransmissions deducted.
30. The apparatus of claim 24, wherein the means for selecting the packet format for the carrier comprises: means for classifying each packet format from a set of packet formats as one of supported or blocked based at least in part on a power required to transmit each packet format and the amount of power allocated to the carrier; and means for employing a supported packet format which maximizes a data rate of the apparatus within the constraints of the serving grant associated with the carrier. .
31. The apparatus of claim 24, further comprising means for updating the serving grant associated with the carrier in accordance with a scheduling grant.
32. A computer program product, comprising: a computer-readable medium, comprising: code for causing at least one computer to identify a total power available for high speed uplink packets transmissions, wherein the total power available is shared by a plurality of carriers; code for causing at least one computer to split the total power available across the plurality of carriers in accordance with a power distribution scheme; and code for causing at least one computer to choose a packet format for a carrier from the plurality of carriers based at least in part on a serving grant associated with the carrier and an amount of power allocated to the carrier.
33. The computer program product of claim 32, wherein the computer-readable medium further comprises: code for causing the at least one computer to compare a power required to transmit a packet format from a set of packet formats with the amount of power allocated to the carrier; code for causing the at least one computer to categorize the packet format as supported when the power required to transmit the packet format is less than or equal to the power allocated to the carrier; and code for causing the at least one computer to categorize the packet format as blocked when the power required to transmit the packet format exceeds the power allocated to the carrier.
34. The computer program product of claim 32, wherein the power distribution scheme is a greedy-filling scheme.
35. The computer program product of claim 32, wherein the power distribution scheme is a water- filling scheme.
36. The computer program product of claim 32, wherein the power distribution scheme is an equal splitting scheme.
37. The computer program product of claim 32, wherein the computer-readable medium further comprises code for causing the at least one computer to evaluate all carriers from the plurality of carriers together to apply the power distribution scheme.
38. The computer program product of claim 32, wherein the computer-readable medium further comprises: code for causing the at least one computer to receive a scheduling grant on a carrier; and code for causing the at least one computer to update a serving grant associated with the carrier in accordance with the scheduling grant.
39. An apparatus, comprising: a power split module that distributes a total available power among a plurality of component carriers in accordance with a power distribution scheme; a format evaluation module that categorizes a set of packet formats for a component carrier in the plurality of component carriers based at least in part on a power requirement of each packet format and an amount of power allocated to the component carrier by the power split module; and a format selection module that chooses a packet format from the set of packet formats for utilization in an uplink transmission on the component carrier.
40. The apparatus of claim 39, further comprising a request module that generates a scheduling request for at least one component carrier of the plurality of component carriers, wherein the scheduling request is generated at least in part on the amount of power allocated to the component carrier by the power split module.
41. The apparatus of claim 39, wherein the power distribution scheme is a greedy- filling scheme.
42. The apparatus of claim 39, wherein the power distribution scheme is a water- filling scheme.
43. The apparatus of claim 39, wherein the power distribution scheme is an equal splitting scheme.']
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SUMMARY
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
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