| 摘要 |
A WLAN ( 108 ) includes a first access point ( 104 ) for providing wireless service within a first coverage area, a second access point ( 106 ) for providing wireless service within a second coverage area and programmed to transmit probe responses, and a wireless communications unit ( 102 ) located within the first coverage area and operating on the wireless service of the first access point ( 104 ). The communications unit ( 102 ) is programmed to monitor, or passively probe, for the probe responses, or is instructed by the first access point ( 104 ) on when to monitor for the probe responses, transmitted by the second access point ( 106 ). By executing such passive probing, the communications unit ( 102 ) may make handover decisions for switching between the wireless service of the first access point ( 104 ) to the wireless service of the second access point ( 106 ) based on access point data included in the probe responses.
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