Wireless communications using overlay network devices within coverage areas of underlay network devices
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United States of America Patent
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Jul 26, 2016
Grant Date -
Apr 7, 2016
app pub date -
Nov 16, 2015
filing date -
Nov 22, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A wireless communication technique provides mobility for a mobile station to communicate with an overlay network device, which is within a coverage area of an underlay network device, when the mobile station is within a coverage area of both devices. The overlay network device broadcasts at least two downlink channels. A cell code (e.g., a scrambling code or pseudo noise offset) of a first one of the downlink channels identifies an overlay network device exclusively. The mobile station can detect the first downlink channel responsive to an indication of the exclusive cell code from the underlay network device. A second one of the downlink channels allows for subsequent, ongoing communications between the mobile station and the overlay network device.
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