Abstract
A wireless communication method includes determining whether a wireless device desires dynamic sounding reference signal (SRS) resources and providing based on the determination a dynamic SRS resource allocation to the wireless device.
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Resource configuration Sounding reference signals(SRS) Transmission
Product
Base Station (eNB/gNB)User Equipment (UE/Terminal)
Use Cases
Wireless communication
Services
Transmitting/receiving of control channel/control information
Claim
1. A method for wireless communication, comprising:', 'determining whether a wireless device desires dynamic sounding reference signal (SRS) resources; and', 'providing, based on the determination, a dynamic SRS resource allocation to the wireless device.
2. The method of claim 1, wherein the determining includes receiving a request for the dynamic SRS resources from the wireless device.
3. The method of claim 1, wherein the providing includes signaling the dynamic SRS resource allocation in a portion of an uplink or downlink scheduling grant.
4. The method of claim 1, wherein the providing includes signaling the dynamic SRS resource allocation along with a group of dynamic SRS resource allocations over a physical downlink control channel.
5. The method of claim 1, further comprising dynamically allocating semi- persistent SRS resources to the wireless device.
6. The method of claim 1, wherein the determining includes estimating an operational parameter for a communication channel with the wireless device.
7. The method of claim 6, wherein the operational parameter includes one of a traffic activity and an error rate for the communication channel with the wireless device.
8. The method of claim 1, further comprising configuring, semi-statically, a resource set for the dynamic SRS resource allocation for the wireless device.
9. The method of claim 8, wherein the resource set comprises orthogonal SRS resources
10. The method of claim 9, wherein the dynamic SRS resource allocation is made using the resources from the resource set
11. A wireless communication apparatus, comprising:', 'a memory configured to store instructions to:', 'determine whether a wireless device desires dynamic sounding reference signal (SRS) resources; and', 'provide, based on the determination, a dynamic SRS resource allocation to the wireless device; and', 'a processor configured to execute the instructions from the memory
12. The wireless communications apparatus of claim 11, wherein the memory further stores instructions to receive a request for the dynamic SRS resources from the wireless device
13. The wireless communication apparatus of claim 11, wherein the memory further stores instructions to estimate an operational parameter for a communication channel with the wireless device
14. An apparatus for wireless communication, comprising:', 'means for determining whether a wireless device desires dynamic sounding reference signal (SRS) resources; and', 'means for providing, based on the determination, a dynamic SRS resource allocation to the wireless device
15. A computer program product, comprising :', 'a tangible computer-readable medium, comprising:', 'code for causing at least one computer to determine whether a wireless device desires dynamic sounding reference signal (SRS) resources; and', 'code for causing the at least one computer to provide, based on the determination, a dynamic SRS resource allocation to the wireless device
16. A method for wireless communication, comprising:', 'receiving a dynamic sounding reference signal (SRS) resource allocation; and transmitting SRS according to the dynamic SRS resource allocation
17. The method of claim 16, further comprising:', 'determining whether dynamic SRS resources are needed; and', 'requesting, based on the determination, the dynamic SRS resources
18. A wireless communication apparatus, comprising:', 'a memory configured to store instructions to:', 'receive a dynamic sounding reference signal (SRS) resource allocation; and', 'transmit SRS according to the dynamic SRS resource allocation; and a processor configured to execute the instructions from the memory
19. A wireless communication apparatus, comprising:', 'means for receiving a dynamic sounding reference signal (SRS) resource allocation; and', 'means for transmitting SRS according to the dynamic SRS resource allocation.
20. A computer program product, comprising:', 'a tangible computer-readable medium, comprising:', 'code for causing at least one computer to receive a dynamic sounding reference signal (SRS) resource allocation; and', 'code for causing the at least one computer to transmit SRS according to the receiving dynamic SRS resource allocation.
21. A method for wireless communication, comprising:', 'configuring a plurality of common sounding reference signal (SRS) subframes shared with one or more cooperating cells; and', 'providing an SRS configuration parameter to a wireless device to facilitate an orthogonal SRS transmission over at least one of the plurality of common SRS subframes.
22. The method of claim 21, wherein the providing includes allocating a frequency comb to the wireless device that facilitates orthogonality between SRS transmissions from the wireless device and SRS transmissions from a plurality of disparate wireless devices over the plurality of common SRS sub frames.
23. The method of claim 21, wherein the providing includes allocating a portion of bandwidth in at least one of the plurality of common SRS sub frames to the wireless device that facilitates orthogonality between SRS transmissions from the wireless device and SRS transmissions from a plurality of disparate wireless devices over the plurality of common SRS subframes.
24. The method of claim 21, wherein the providing includes providing a configuration index to the wireless device that facilitates orthogonality between SRS transmissions from the wireless device and SRS transmissions from a plurality of disparate wireless devices over the plurality of common SRS subframes.
25. The method of claim 21 , wherein the providing includes providing a cyclic shift to the wireless device for transmitting SRSs that facilitates orthogonality between SRS transmissions from the wireless device and SRS transmissions from a plurality of disparate wireless devices over the plurality of common SRS subframes.
26. A wireless communications apparatus, comprising:', 'a memory storing instructions to:', 'configure a plurality of common sounding reference signal (SRS) subframes along with one or more cooperating cells; and', 'provide an SRS configuration parameter to a wireless device to facilitate orthogonal SRS transmission over at least one of the plurality of common SRS subframes; and', 'a processor configured to execute the instructions from the memory.
27. A wireless communication apparatus, comprising:', 'means for configuring a plurality of common sounding reference signal (SRS) subframes shared with one or more cooperating cells; and means for providing an SRS configuration parameter to a wireless device to facilitate an orthogonal SRS transmission over at least one of the plurality of common SRS sub frames.
28. The wireless communication apparatus of claim 27, wherein the means for providing include one of:', 'means for allocating a frequency comb to the wireless device that facilitates orthogonality between SRS transmissions from the wireless device and SRS transmissions from a plurality of disparate wireless devices over the plurality of common SRS subframes;', 'means for allocating a portion of bandwidth in at least one of the plurality of common SRS subframes to the wireless device that facilitates orthogonality between SRS transmissions from the wireless device and SRS transmissions from a plurality of disparate wireless devices over the plurality of common SRS subframes;', 'means for providing a configuration index to the wireless device that facilitates orthogonality between SRS transmissions from the wireless device and SRS transmissions from a plurality of disparate wireless devices over the plurality of common SRS subframes; and', 'means for providing a cyclic shift to the wireless device for transmitting SRSs that facilitates orthogonality between SRS transmissions from the wireless device and SRS transmissions from a plurality of disparate wireless devices over the plurality of common SRS subframes.
29. A computer program product, comprising:', 'a tangible computer-readable medium, comprising:', 'code for causing at least one computer to configure a plurality of common sounding reference signal (SRS) subframes along with one or more cooperating cells; and', 'code for causing the at least one computer to provide an SRS configuration parameter to a wireless device to facilitate orthogonal SRS transmission over at least one of the plurality of common SRS subframes.
30. A method for wireless communication, comprising:', 'receiving a sounding reference signal (SRS) configuration parameter; and performing, based on the SRS configuration parameter, an SRS transmission.
31. The method of claim 30, wherein the receiving includes receiving one of a frequency comb, a configuration index and a cyclic shift value.
32. A wireless communication apparatus, comprising:', 'means for receiving a sounding reference signal (SRS) configuration parameter; and', 'means for performing, based on the SRS configuration parameter, an SRS transmission.
33. The wireless communication apparatus of claim 32, wherein SRS configuration parameter includes one of a frequency comb, a configuration index and a cyclic shift value.
34. A computer program product, comprising:', 'a tangible computer-readable medium comprising:', 'code for receiving a sounding reference signal (SRS) configuration parameter; and', 'code for performing, based on the received SRS configuration parameter, an SRS transmission.
35. A wireless communication method, comprising:', 'determining a cell-specific SRS frequency hopping pattern over SRS resources for a wireless device; and', 'assigning the cell-specific SRS frequency hopping pattern to the wireless device to mitigate collisions with SRS transmissions from other wireless devices.
36. The method of claim 35, wherein the determining the cell-specific SRS frequency hopping pattern includes computing the cell-specific SRS frequency hopping pattern as a function of a physical cell identifier of a cell.
37. The method of claim 35, wherein the determining the cell-specific SRS frequency hopping pattern includes shifting one or more variables involved in the computing the cell-specific SRS frequency hopping pattern in time.
38. The method of claim 35, wherein the determining the cell-specific SRS frequency hopping pattern includes selecting one or more SRS frequency hopping patterns from a plurality of SRS frequency hopping patterns according to a physical cell identifier of a cell.
39. The method of claim 38, further comprising allowing a starting physical resource block index that determines the SRS frequency hopping pattern to hop over time.
40. A wireless communications apparatus, comprising:', 'a memory for storing instructions to:', 'determine a cell-specific sounding reference signal (SRS) frequency hopping pattern over SRS resources for a wireless device; and', 'assign the cell-specific SRS frequency hopping pattern to the wireless device to mitigate SRS collision with a disparate wireless device; and a processor for executing the instructions from the memory.
41. An apparatus for wireless communication, comprising:', 'means for determining a cell-specific sounding reference signal (SRS) frequency hopping pattern over SRS resources for a wireless device; and', 'means for assigning the cell-specific SRS frequency hopping pattern to the wireless device to mitigate SRS collision with a disparate wireless device.
42. The apparatus of claim 41, wherein the means for determining include one of:', 'means for computing the cell-specific SRS frequency hopping pattern as a function of a physical cell identifier of a cell;', 'means for shifting one or more variables involved in the computing the cell- specific SRS frequency hopping pattern in time; and means for selecting one or more SRS frequency hopping patterns from a plurality of SRS frequency hopping patterns according to a physical cell identifier of a cell.
43. A computer program product, comprising:', 'a tangible computer-readable medium, comprising:', 'code for causing at least one computer to determine a cell-specific sounding reference signal (SRS) frequency hopping pattern over SRS resources for a wireless device; and', 'code for causing the at least one computer to assign the cell-specific SRS frequency hopping pattern to the wireless device to mitigate SRS collision with a disparate wireless device.
44. A wireless communication method, comprising:', 'receiving a cell-specific sounding reference signal (SRS) frequency hopping pattern at a wireless device;', 'determining SRS transmission resources based on the hopping pattern; and performing an SRS transmission according to the SRS transmission resources.
45. The method of claim 44, wherein the determining includes determining SRS transmission resources using a physical cell identifier of a cell in which the wireless device is operating.
46. The method of claim 44, wherein the determining includes determining SRS transmission resources by cyclically shifting the hopping pattern.
47. The method of claim 44, wherein the determining includes determining transmission resources based on a frequency domain position indicated in the hopping pattern.
48. A wireless communications apparatus, comprising: a memory for storing instructions to:', 'receive a cell-specific sounding reference signal (SRS) frequency hopping pattern at a wireless device;', 'determine SRS transmission resources based on the hopping pattern; and perform an SRS transmission according to the SRS transmission resources; and', 'a processor to execute the instructions from the memory.
49. An apparatus for wireless communication, comprising:', 'means for receiving a cell-specific sounding reference signal (SRS) frequency hopping pattern at a wireless device;', 'means for determining SRS transmission resources based on the hopping pattern; and', 'means for performing an SRS transmission according to the determined SRS transmission resources.
50. A computer program product, comprising:', 'a tangible computer-readable medium, comprising:', 'code for causing at least one computer to receive a cell-specific sounding reference signal (SRS) frequency hopping pattern at a wireless device;', 'code for causing the at least one computer to determine SRS transmission resources based on the hopping pattern; and', 'code for causing the at least one computer to perform an SRS transmission according to the SRS transmission resources.']
Associated Portfolios
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SUMMARY
ClaimChart-WO2011068995A2-STO
Patent number:WO2011068995A2
Claim Chart Type : SEP Claim Chart
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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.