发明名称 |
A METHOD AND APPARATUS FOR IMPROVING THE PERFORMANCE OF A MULTI-BAND ANTENNA IN A WIRELESS TERMINAL |
摘要 |
<p>A method and apparatus for improving the efficiency of a multi-band antenna in a wireless terminal over a wide range of frequencies is described herein. To compensate for the undesirable coupling that occurs in a low frequency band between a parasitic antenna and a primary antenna in certain designs, a matching network is connected to at least one ground port of the multi-band antenna. The matching network controls the multi-band antenna performance based on the current transmission frequency band. In some embodiments, the matching network is configured to operate as an open circuit when multi-band antenna operates in the low frequency band, and to operate as a short circuit when multi-band antenna operates in the high frequency band.</p> |
申请公布号 |
EP1834378(B1) |
申请公布日期 |
2011.09.28 |
申请号 |
EP20050764225 |
申请日期 |
2005.06.30 |
申请人 |
SONY ERICSSON MOBILE COMMUNICATIONS AB |
发明人 |
WILCOX, BRUCE;VANCE, SCOTT, L. |
分类号 |
H01Q5/00;H01Q9/04 |
主分类号 |
H01Q5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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