Efficient reselections in the presence of closed subscriber group cells
First Claim
Patent Images
1. A mobile station comprising:
- a wireless transceiver;
the mobile station configured to detect presence of a first restricted access cell, at a first time, and to determine that the mobile station is not allowed to access the restricted access cell, the mobile station configured to determine, from information received from the first restricted access cell via the wireless transceiver, whether intra-frequency reselection is allowed, the mobile station configured to detect presence of a second restricted access cell at a second time, and the mobile station configured to save battery life of the mobile station by checking information received from the second restricted access cell via the wireless transceiver and determine again whether intra-frequency reselection is allowed only if the second time is later than the first time by more than a specified duration.
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Abstract
A method in a mobile station for avoiding interference to restricted access cells, including detecting presence of a restricted access cell, determining that a measured path-loss is larger than a path-loss threshold, determining that the mobile station is not allowed to access the restricted access cell, and barring a carrier frequency on which the restricted access cell is deployed when the measured path-loss is larger than the path-loss threshold and when the mobile station is not allowed access to the restricted access cell.
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Citations
8 Claims
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1. A mobile station comprising:
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a wireless transceiver; the mobile station configured to detect presence of a first restricted access cell, at a first time, and to determine that the mobile station is not allowed to access the restricted access cell, the mobile station configured to determine, from information received from the first restricted access cell via the wireless transceiver, whether intra-frequency reselection is allowed, the mobile station configured to detect presence of a second restricted access cell at a second time, and the mobile station configured to save battery life of the mobile station by checking information received from the second restricted access cell via the wireless transceiver and determine again whether intra-frequency reselection is allowed only if the second time is later than the first time by more than a specified duration. - View Dependent Claims (2, 3, 4)
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5. A method of saving battery in a wireless communication device, the method comprising:
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determining that the wireless communication device is not allowed to access a first restricted access cell detected by the wireless communication device at a first time; determining, from information received from the first restricted access cell via a wireless transceiver, whether intra-frequency reselection is allowed; determining that the wireless communication device is not allowed to access a second restricted access cell detected by the wireless communication device at a second time, the second time later than the first time; and checking information received from the second restricted access cell via the wireless transceiver and determining again whether intra-frequency reselection is allowed only if the second time is later than the first time by more than a specified duration. - View Dependent Claims (6, 7, 8)
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Specification