Patent ID: 9264985
Filing Date: 2016-02-16
CPC Classification: H04L,H04W

Claim Text:
1. A method of controlling call establishment, comprising: determining, at a user equipment, to establish a new packet switched call when the user equipment is in an idle mode and camped on a Wireless Wide Area (WWAN) access node; detecting a Wireless Local Area Network (WLAN) access node; receiving, from the WWAN access node, WWAN load-related information; determining, based on user equipment call establishment rules and based on the WWAN load-related information, an access node on which to establish the new packet switched call, the access node being one of the WWAN access node or the WLAN access node; establishing the new packet switched call using the determined access node; and wherein the establishing the new packet switched call using the determined access node includes establishing the new packet switched call using the WLAN access node without setup of a radio bearer with the WWAN access node.