Method and system for managing traffic offload in a wireless communication network based on closed access mode conditions
First Claim
1. A method for traffic offload, the method comprising:
- monitoring a loading level at a first access node and, when the loading level at the first access node exceeds a threshold, configuring, by the first access node, a second access node to operate in a closed access mode for a predetermined period of time, the loading level being based on a number of wireless devices with subscription data other than a closed access mode identity of the second access node;
assigning a closed access mode identity to the second access node for the predetermined period of time;
selecting a set of wireless devices connected to the first access node for traffic offload to the second access node;
configuring subscription data of the selected wireless devices to include the assigned closed access mode identity of the second access node;
performing, by the first access node, an intra-frequency or inter-frequency handover of the selected wireless devices to the second access node; and
updating the set of wireless devices selected for traffic offload to the second access node periodically during the predetermined period of time based on the monitored loading level at the first access node.
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Abstract
Systems and methods are described for offloading traffic in a wireless communication network. A plurality of active wireless devices in communication with a first access node may be detected. Measurement and reporting information may be received at the first access node from the wireless devices indicating proximity to a second access node. It may be determined that a loading level at the first access node has exceeded a threshold value. The second access node may be updated to operate in a closed access mode. A criteria for selecting a wireless device in communication with the first access node for traffic offload may be determined. Closed access mode information associated with the second access node may be provided to the selected wireless device. The first access node and/or a controller node may instruct the selected wireless device to communicate with the second access node.
89 Citations
18 Claims
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1. A method for traffic offload, the method comprising:
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monitoring a loading level at a first access node and, when the loading level at the first access node exceeds a threshold, configuring, by the first access node, a second access node to operate in a closed access mode for a predetermined period of time, the loading level being based on a number of wireless devices with subscription data other than a closed access mode identity of the second access node; assigning a closed access mode identity to the second access node for the predetermined period of time; selecting a set of wireless devices connected to the first access node for traffic offload to the second access node; configuring subscription data of the selected wireless devices to include the assigned closed access mode identity of the second access node; performing, by the first access node, an intra-frequency or inter-frequency handover of the selected wireless devices to the second access node; and updating the set of wireless devices selected for traffic offload to the second access node periodically during the predetermined period of time based on the monitored loading level at the first access node. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for traffic offload in a wireless communication network, the method comprising:
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detecting a plurality of wireless devices in communication with a first access node; locating a second access node in proximity to a location of the first access node; determining that a loading level at the first access node has exceeded a threshold; configuring, by the first access node, the second access node to operate in a closed access mode for a predetermined period of time; selecting a wireless device based on a criteria from the plurality of wireless devices in communication with the first access node for traffic offload to the second access node; updating a closed access mode identity list at the selected wireless device to include an assigned closed access mode identity of the second access node, the closed access mode identity being assigned to the second access node for the predetermined time period; instructing the first access node to perform an intra-frequency or inter-frequency handover of the selected wireless device to the second access node; instructing the selected wireless device to establish a communication link with the second access node; and updating a number of wireless devices selected for traffic offload to the second access node periodically during the predetermined time period based on the loading level at the first access node, wherein the loading level at the first access node is based on a number of wireless devices with subscription data other than a closed access mode identity of the second access node.
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12. A system for offloading traffic in a wireless communication network, the system comprising:
a first access node and a controller, the controller configured to; detect a plurality of active wireless devices in communication with the first access node; receive, from the wireless devices, measurement and reporting information indicating proximity to a second access node; determine that a loading level at the first access node has exceeded a threshold value; configure the second access node to operate in a closed access mode for a predetermined period of time; select a number of wireless devices connected to the first access node for traffic offload to the second access node based on a criteria; configure subscription data of the selected wireless devices to include an assigned closed access mode identity of the second access node, the closed access mode identity being assigned to the second access node for the predetermined period of time; perform an intra-frequency or inter-frequency handoff of the selected wireless devices from the first access node to the second access node; and update the number of wireless devices selected for traffic offload to the second access node periodically during the predetermined period of time based on the loading level at the first access node, wherein the loading level at the first access node is based on a number of wireless devices with subscription data other than a closed access mode identity of the second access node. - View Dependent Claims (13, 14, 15, 16, 17, 18)
Specification