Patent ID: 8055264
Filing Date: 2011-11-08
Classification: H04W

Abstract:
1. A method for controlling handoff, comprising: collecting channel information, by a network infrastructure, wherein the network infrastructure is configured to communicate with a Mobile Terminal via WLAN; and transmitting the channel information collected by the network infrastructure to the Mobile Terminal (MT) which makes a handoff decision according to both the channel information collected by the network infrastructure and information collected by the MT; wherein the channel information comprises channel monitor data; collecting the channel information comprises: monitoring a channel at an Access Points (AP) to obtain the channel monitor data; the channel monitor data comprises at least one of channel workload, receiver sensitivity received by the network infrastructure and transmission power transmitted by the network infrastructure; and the information collected by the MT comprises the signal intensity received by the MT; wherein the channel information further comprises a neighboring channel list of the AP that comprises channel information of channels which cover neighboring or overlapping areas of the coverage of the AP; and collecting the channel information further comprises: generating the neighboring channel list of the AP that comprises channel information of channels which covers neighboring or overlapping areas of the coverage of the AP.