Abstract
In accordance with an embodiment, a method of operating a base station configured to operate with user devices includes scheduling transmission for the user devices. Scheduling transmission includes determining a first fading metric for at least one user device from the at least one user device to the base station, determining at a second fading metric for the at least one user device from the at least one user device to at least one other base station, and determining a priority metric for the at least one user device based on the first and second fading metrics. The priority metric is configured to assign a higher priority to a user device with a first fading metric indicating an up-fade and the second fading metric indicating a down-fade. The method further includes transmitting a transmission schedule to the at least one user device based the priority metric.
Technologies
Product
Use Cases
Services
Claim
1. A method of operating a base station configured to operate with user devices, the method comprising:
scheduling transmission for the user devices, scheduling comprising
determining a first fading metric for at least one user device from the at least one user device to the base station,
determining a second fading metric for the at least one user device from the at least one user device to at least one other base station,
determining a priority metric for the at least one user device based on the first fading metric and the second fading metric, the priority metric configured to assign a higher priority to a user device with a first fading metric indicating an up-fade and the second fading metric indicating a down-fade, and
transmitting a transmission schedule to the at least one user device based on determining the priority metric.', 'scheduling transmission for the user devices, scheduling comprising
determining a first fading metric for at least one user device from the at least one user device to the base station,
determining a second fading metric for the at least one user device from the at least one user device to at least one other base station,
determining a priority metric for the at least one user device based on the first fading metric and the second fading metric, the priority metric configured to assign a higher priority to a user device with a first fading metric indicating an up-fade and the second fading metric indicating a down-fade, and
transmitting a transmission schedule to the at least one user device based on determining the priority metric.', 'determining a first fading metric for at least one user device from the at least one user device to the base station,', 'determining a second fading metric for the at least one user device from the at least one user device to at least one other base station,', 'determining a priority metric for the at least one user device based on the first fading metric and the second fading metric, the priority metric configured to assign a higher priority to a user device with a first fading metric indicating an up-fade and the second fading metric indicating a down-fade, and', 'transmitting a transmission schedule to the at least one user device based on determining the priority metric.
2. The method of claim 1, wherein determining the priority metric further comprises assigning a priority proportional to a ratio of the first fading metric to the second fading metric.
3. The method of claim 1, wherein:
determining the first fading metric comprises determining the first fading metric for a plurality of resource blocks; and
determining the second fading metric comprises determining the second fading metric for the plurality of resource blocks.', 'determining the first fading metric comprises determining the first fading metric for a plurality of resource blocks; and', 'determining the second fading metric comprises determining the second fading metric for the plurality of resource blocks.
4. The method of claim 3, wherein
scheduling transmission further comprises assigning at least one of the plurality of resource blocks to the at least user device based on the priority metric; and
transmitting the transmission schedule further comprises transmitting to the user device the assigned at least one of the plurality of resource blocks.', 'scheduling transmission further comprises assigning at least one of the plurality of resource blocks to the at least user device based on the priority metric; and', 'transmitting the transmission schedule further comprises transmitting to the user device the assigned at least one of the plurality of resource blocks.
5. The method of claim 3, wherein the plurality of resource blocks comprise time division duplex (TDD) slots.
6. The method of claim 3, wherein scheduling transmission comprises scheduling transmission in an uplink channel.
7. The method of claim 3, wherein
scheduling transmission comprises scheduling transmission in an uplink channel; and
determining the second fading metric comprises polling the at least one user device for downlink fading information to the at least one other base station.', 'scheduling transmission comprises scheduling transmission in an uplink channel; and', 'determining the second fading metric comprises polling the at least one user device for downlink fading information to the at least one other base station.
8. The method of claim 7, wherein the downlink fading information comprises a channel quality index (CQI) measurement.
9. The method of claim 1, further comprising requesting the user device to increase a transmission power if the second metric indicates that interference to another base station is experiencing a down-fade, wherein an amount of transmission power increase is determined by an estimated total amount of down-fading of the interference to another base station
10. The method of claim 9, wherein the amount of transmission power increase is further determined by a weighted sum of the estimated total amount of interference to a plurality of base stations, wherein the weighting is performed according to a relative interference over thermal (IOT) level of each of the plurality of base stations
11. The method of claim 1, wherein
the at least one other base station has a different interference over thermal noise level (IOT) threshold than an IOT threshold of a further base station; and
determining the priority metric further comprises weighing the priority metric by a difference between the IOT threshold of the at least one other base station and the IOT threshold of the further base station.', 'the at least one other base station has a different interference over thermal noise level (IOT) threshold than an IOT threshold of a further base station; and', 'determining the priority metric further comprises weighing the priority metric by a difference between the IOT threshold of the at least one other base station and the IOT threshold of the further base station
12. The method of claim 1, wherein the at least one other base station comprises a base station to which the at least one user device is a dominant interferer
13. A method of operating a wireless network comprising a first transceiver configured to operate with a plurality of user devices, the method comprising:
determining a first fading metric for at least one of the plurality of user devices to the first transceiver, determining the first fading metric comprising determining the first fading metric for a plurality of resource blocks;
determining a second fading metric for the at least one of the plurality of user devices to at least one other transceiver, determining the second fading metric comprising determining the second fading metric for the plurality of resource blocks;
determining a priority metric for the at least one of the plurality of user devices based on the first fading metric and the second fading metric, the priority metric configured to assign a higher priority to a user device with a first fading metric indicating an up-fade and the second fading metric indicating a down-fade; and
the first transceiver assigning the at least one the plurality of user devices at least one resource block.', 'determining a first fading metric for at least one of the plurality of user devices to the first transceiver, determining the first fading metric comprising determining the first fading metric for a plurality of resource blocks;', 'determining a second fading metric for the at least one of the plurality of user devices to at least one other transceiver, determining the second fading metric comprising determining the second fading metric for the plurality of resource blocks;', 'determining a priority metric for the at least one of the plurality of user devices based on the first fading metric and the second fading metric, the priority metric configured to assign a higher priority to a user device with a first fading metric indicating an up-fade and the second fading metric indicating a down-fade; and', 'the first transceiver assigning the at least one the plurality of user devices at least one resource block.14. The method of claim 13, wherein the first transceiver comprises a base station and the at least one other transceiver comprises an adjacent base station.15. The method of claim 13, wherein the first transceiver comprises a first sector of a base station and the at least one other transceiver comprises at least one other sector of the base station.16. The method of claim 15, wherein the step of determining the priority metric is performed only for sectors within the base station.17. The method of claim 13, wherein at least one of the plurality of user devices comprises a cellular telephone.18. The method of claim 13, wherein determining the second fading metric comprises polling the at least one user device for downlink fading information to the at least one other transceiver.19. The method of claim 18, wherein downlink fading information comprises a channel quality index (CQI) measurement.
20. The method of claim 13, wherein:
the at least one other transceiver comprises a base station group; and
determining the priority metric further comprises determining the priority metric based on an aggregated interference to the base station group.', 'the at least one other transceiver comprises a base station group; and', 'determining the priority metric further comprises determining the priority metric based on an aggregated interference to the base station group.
21. The method of claim 20, wherein the second fading metric to the base station group is weighted by a relative interference over thermal (IOT) level for the base station group for the at least one resource block.
22. The method of claim 13, wherein the wireless network comprises a mobile broadband network.
23. The method of claim 13, wherein determining the second fading factor further comprises the first transceiver receiving fading information from the at least one other transceiver, wherein the fading information is measured by the at least one other transceiver.
24. The method of claim 23, wherein the fading information comprises only information for down-fades or only information for up-fades.
25. A wireless base station comprising:
a transmitter; and
a receiver, wherein the base station is configured to
determine a first fading metric for at least one of a plurality of user devices to the base station for a plurality of resource blocks,
determine a second fading metric for the at least one of the plurality of user devices to at least one adjoining transceiver for the plurality of resource blocks,
determine a priority metric for the at least one of the plurality of user devices based on the first fading metric and the second fading metric, the priority metric configured to assign a higher priority to a user device with a first fading metric indicating an up-fade and the second fading metric indicating a down-fade, and
assign the at least one of the plurality of user devices at least one resource block.', 'a transmitter; and', 'a receiver, wherein the base station is configured to
determine a first fading metric for at least one of a plurality of user devices to the base station for a plurality of resource blocks,
determine a second fading metric for the at least one of the plurality of user devices to at least one adjoining transceiver for the plurality of resource blocks,
determine a priority metric for the at least one of the plurality of user devices based on the first fading metric and the second fading metric, the priority metric configured to assign a higher priority to a user device with a first fading metric indicating an up-fade and the second fading metric indicating a down-fade, and
assign the at least one of the plurality of user devices at least one resource block.', 'determine a first fading metric for at least one of a plurality of user devices to the base station for a plurality of resource blocks,', 'determine a second fading metric for the at least one of the plurality of user devices to at least one adjoining transceiver for the plurality of resource blocks,', 'determine a priority metric for the at least one of the plurality of user devices based on the first fading metric and the second fading metric, the priority metric configured to assign a higher priority to a user device with a first fading metric indicating an up-fade and the second fading metric indicating a down-fade, and', 'assign the at least one of the plurality of user devices at least one resource block.
26. The wireless base station of claim 25, wherein the at least one adjoining transceiver comprises a transceiver in a different sector of the base station.
27. The wireless base station of claim 25, wherein the at least one adjoining transceiver comprises an adjoining base station.
28. The wireless base station of claim 25, wherein the wireless base station is further configured to determine the second fading metric comprises polling the at least one of the plurality of user devices for downlink fading information to the at least one adjoining transceiver.
29. The wireless base station of claim 28, wherein downlink fading information comprises a channel quality index (CQI) measurement.
30. The wireless base station of claim 28, wherein the resource blocks comprise time division duplex (TDD) slots.']
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SUMMARY
ClaimChart-US8311055B2-STO
Patent number:US8311055B2
Claim Chart Type : SEP Claim Chart
Price: 200 €
Note:
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.