Apparatus for TX/RX antenna switch in TDD wireless communication system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 31, 2010
Grant Date -
May 1, 2008
app pub date -
Oct 26, 2007
filing date -
Oct 27, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus including a TX/RX antenna switch (TRAS) in a time division duplex (TDD) wireless communication system is provided. In particular, an apparatus for protecting an RX low-noise amplifier (LNA) from a radio-frequency (RF) TX signal using a 180° hybrid coupler is provided. The TRAS apparatus includes a 180° hybrid coupler, a phase shifter and a combiner/divider unit.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully