Method, terminal, and system for cell reselection
First Claim
Patent Images
1. A method for cell reselection comprising:
- obtaining, by a terminal, a dedicated priority list and a valid time of the dedicated priority list from a first system;
obtaining, by the terminal, a public priority list from a second system;
obtaining, by the terminal, an indication indicating whether the public priority list from the second system is usable or not;
performing, by the terminal, cell reselection according to the dedicated priority list, when the terminal camps on a cell of the second system; and
when the terminal camps on the cell of the second system, performing cell reselection according to the public priority list from the second system when the indication indicating the public priority list from the second system is usable and when the dedicated priority list is invalid after the valid time expires.
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Abstract
A method and terminal are disclosed for cell reselection. The terminal obtains a dedicated priority list and a valid time of the dedicates priority list for cell reselection from a first communication system, such as a Long Term Evolution (LTE) system, when the terminal is in a cell of the fists communication system. In case that the terminal camps on a cell of a second communication system, such as a non-LTE system (for example, a UMTS system), and before the valid time expire, the terminal performs cell reselection using the dedicated priority list.
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Citations
20 Claims
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1. A method for cell reselection comprising:
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obtaining, by a terminal, a dedicated priority list and a valid time of the dedicated priority list from a first system; obtaining, by the terminal, a public priority list from a second system; obtaining, by the terminal, an indication indicating whether the public priority list from the second system is usable or not; performing, by the terminal, cell reselection according to the dedicated priority list, when the terminal camps on a cell of the second system; and when the terminal camps on the cell of the second system, performing cell reselection according to the public priority list from the second system when the indication indicating the public priority list from the second system is usable and when the dedicated priority list is invalid after the valid time expires. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus comprising:
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a receiver configured to receive a dedicated priority list and a valid time of the dedicated priority list from a first system, receive a public priority list from a second system, and receive an indication indicating whether the public priority list from the second system is usable or not; a processor configured to perform cell reselection according to the dedicated priority list when camping on a cell of the second system; and when camping on the cell of the second system, the processor is further configured to perform cell reselection according to the public priority list from the second system when the indication indicating the public priority list from the second system is usable and when the dedicated priority list is invalid after the valid time expires. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A non-transitory computer readable medium comprising computer program code including executable instructions that, when executed by a processor of an apparatus, cause the apparatus to perform a method for cell reselection as follows:
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obtaining a dedicated priority list and a valid time of the dedicated priority list from a first system; obtaining a public priority list from a second system; obtaining an indication indicating whether the public priority list from the second system is usable or not; performing cell reselection according to the dedicated priority list, when camping on a cell of the second system; and wherein when camping on the cell of the second system, performing cell reselection according to the public priority list from the second system when the indication indicating the public priority list from the second system is usable and when the dedicated priority list is invalid after the valid time expires. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification