Priority-based cell reselection
A user equipment (UE) enables reselection by supplementing dedicated priority information received from a network with proprietary priority-based reselection parameters stored in a UE memory. The reselection is performed when a currently camped-on cell does not broadcast priority-based reselection parameters. The proprietary priority-based reselection parameters include threshold parameters such as high priority thresholds, low priority thresholds, signal strength thresholds and related reselection timers.
1. A method of wireless communication, comprising:
determining whether to use stored proprietary priority-based reselection threshold parameters based at least in cart on whether a public land mobile network identification (PLMN ID) of a currently camped-on cell matches an ID on a PLMN ID list associated with operators intending to use the proprietary priority-based reselection threshold parameters; and
performing cell reselection based at least in part on dedicated priority information received from a network and the stored proprietary priority-based reselection threshold parameters stored in a UE memory when the currently camped-on cell does not broadcast priority-based reselection parameters.
2. The method of claim 1 , in which the proprietary priority-based reselection threshold parameters are based at least in part on broadcast priority-based cell reselection parameters received from a previously camped-on cell.
3. The method of claim 1 , which the proprietary priority-based reselection threshold parameters include a serving cell network priority and a serving cell reselection threshold.
4. The method of claim 1 , in which the proprietary-based reselection threshold parameters include at least one of a neighbor cell network priority, neighbor cell reselection threshold and a neighbor cell measurement parameter.
5. The method of claim 1 , comprising:
determining, prior to the cell reselection, a cell previously visited by a UE broadcast priority-based cell reselection threshold parameters; and
storing the broadcast priority-based cell reselection threshold parameters.
6. The method of claim 1 , comprising, prior to performing:
determining, prior to the cell reselection, a cell previously visited by a UE did not broadcast priority-based cell reselection parameters; and
retrieving, from a local memory of a UE, a locally programmed set of priority-based cell reselection threshold parameters for performing cell reselection.
7. An apparatus for wireless communication, comprising:
means for storing proprietary priority-based reselection threshold parameters in a UE memory;
means for determining whether to use stored proprietary priority-based reselection threshold parameters based at least in part on whether a public land mobile network identification (PLMN ID) of a currently camped-on cell matches an ID on a PLMN ID list associated with operators intending to use the proprietary priority-based reselection threshold parameters; and
means for performing cell reselection based at least in part on dedicated priority information received from a network and the stored proprietary priority-based reselection threshold parameters stored in the UE memory when the currently camped-on cell does not broadcast priority-based reselection parameters.
8. The apparatus of claim 7 , in which the proprietary priority-based reselection threshold parameters are based at least in part on broadcast priority-based cell reselection parameters received from a previously camped-on cell.
9. The apparatus of claim 7 , which the proprietary priority-based reselection threshold parameters include a serving cell network priority and a serving cell reselection threshold.
10. The apparatus of claim 7 , in which the proprietary-based reselection threshold parameters include at least one of a neighbor cell network priority, neighbor cell reselection threshold and a neighbor cell measurement parameter.
11. The apparatus of claim 7 , further comprising:
means for determining, prior to the cell reselection, a cell previously visited by a UE broadcast priority-based cell reselection threshold parameters; and
means for storing the broadcast priority-based cell reselection threshold parameters.
12. The apparatus of claim 7 , comprising:
means for determining, prior to the cell reselection, a cell previously visited by a UE did not broadcast priority-based cell reselection parameters; and
means for retrieving, from a local memory of a UE, a locally programmed set of priority-based cell reselection threshold parameters for performing cell reselection.
13. An apparatus for wireless communication, comprising:
a memory; and
at least one processor coupled to the memory, the at least one processor being configured:
to determine whether to use stored proprietary priority-based reselection threshold parameters based at least in cart on whether a public land mobile network identification (PLMN ID) of a currently camped-on cell matches an ID on a PLMN ID list associated with operators intending to use the proprietary priority-based reselection threshold parameters; and
to perform cell reselection based at least in part on dedicated priority information received from a network and the stored proprietary priority-based reselection threshold parameters stored in a UE memory when the currently camped-on cell does not broadcast priority-based reselection parameters.
14. The apparatus of claim 13 , in which the proprietary priority-based reselection threshold parameters are based at least in part on broadcast priority-based cell reselection parameters received from a previously camped-on cell.
15. The apparatus of claim 13 , in which the proprietary priority-based reselection threshold parameters include a serving cell network priority and a serving cell reselection threshold.
16. The apparatus of claim 13 , in which the proprietary-based reselection threshold parameters include at least one of a neighbor cell network priority, neighbor cell reselection threshold and a neighbor cell measurement parameter.
17. The apparatus of claim 13 , in which the at least one processor is further configured:
to determine, prior to the cell reselection, a cell previously visited by a UE broadcast priority-based cell reselection threshold parameters; and
to store the broadcast priority-based cell reselection threshold parameters.
18. The apparatus of claim 13 , in which the at least one processor is further configured to:
determine, prior to the cell reselection, a cell previously visited by a UE did not broadcast priority-based cell reselection parameters; and
to retrieve, from a local memory of a UE, a locally programmed set of priority-based cell reselection threshold parameters for performing cell reselection.
19. A non-transitory computer-readable medium having non-transitory program code recorded thereon for wireless communication, the program code comprising:
program code to determine whether to use stored proprietary priority-based reselection threshold parameters based at least in part on whether a public land mobile network identification (PLMN ID) of a currently camped-on cell matches an ID on a PLMN ID list associated with operators intending to use the proprietary priority-based reselection threshold parameters; and
program code to perform cell reselection based at least in part on dedicated priority information received from a network and the stored proprietary priority-based reselection threshold parameters stored in a UE memory when the currently camped-on cell does not broadcast priority-based reselection parameters.
20. The non-transitory computer-readable medium of claim 19 , in which the proprietary priority-based reselection threshold parameters are based at least in part on broadcast priority-based cell reselection parameters received from a previously camped-on cell.
21. The non-transitory computer-readable medium of claim 19 , which the proprietary priority-based reselection threshold parameters include a serving cell network priority and a serving cell reselection threshold.
22. The non-transitory computer-readable medium of claim 19 , in which the proprietary-based reselection threshold parameters include at least one of a neighbor cell network priority, neighbor cell reselection threshold and a neighbor cell measurement parameter.
23. The non-transitory computer-readable medium of claim 19 , further comprising:
program code to determine, prior to the cell reselection, a cell previously visited by a UE broadcast priority-based cell reselection threshold parameters; and
program code to store the broadcast priority-based cell reselection threshold parameters.
24. The non-transitory computer-readable medium of claim 19 , further comprising:
program code to determine, prior to the cell reselection, a cell previously visited by a UE did not broadcast priority-based cell reselection parameters; and
program code to retrieve, from a local memory of a UE, a locally programmed set of priority-based cell reselection threshold parameters for performing cell reselection.