<p>The control of an antenna tuner (32) for a portable electronic device (10) includes closed loop tuning when sufficient transmit power is present. The closed loop tuning commences using a predetermined antenna tuner configuration for an operational band and device state. The closed loop tuning may be constrained by a tuning range associated with the predetermined antenna tuner configuration for the operational band and device state. Also, when transmit power is low or when a transceiver is in a receive only state, open loop tuning may be conducted by placing the antenna tuner in the predetermined (or default) configuration for the operational band and phone state.</p>
申请公布号
WO2011062692(A1)
申请公布日期
2011.05.26
申请号
WO2010US51584
申请日期
2010.10.06
申请人
SONY ERICSSON MOBILE COMMUNICATIONS AB;CAMP, JR, WILLIAM O.;STORY, DAVID R.;FUTTER, PAUL;HAYES, GERARD J.
发明人
CAMP, JR, WILLIAM O.;STORY, DAVID R.;FUTTER, PAUL;HAYES, GERARD J.