Apparatus, system, and method for managing an antenna network during a half duplex call
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United States of America Patent
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Mar 3, 2009
Grant Date -
Jun 28, 2007
app pub date -
Dec 22, 2005
filing date -
Dec 22, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus, system, and method dynamically adjust an antenna network frequency response in accordance with an operation mode of a half duplex call. One of a plurality of antenna network configurations is selected based at least partly on the half duplex operation mode which comprises a talk mode and a listen mode. When the portable communication device is in a listen mode, the antenna network is tuned to a reception configuration which results in a reception efficiency that is greater for at least a portion of a reception frequency band than the reception efficiency resulting from at least one other antenna network configuration. The antenna network is maintained in a default configuration unless antenna adjustment conditions are met. In some situations, the antenna network is set to a transmission configuration to improve transmission efficiency relative to the default configuration.
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