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Antenna system for GSM/WLAN radio operation

  • US 7,239,889 B2
  • Filed: 10/31/2002
  • Issued: 07/03/2007
  • Est. Priority Date: 10/31/2001
  • Status: Expired due to Fees
First Claim
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1. A transceiving antenna system comprising a first antenna, a second antenna and a controlling circuit to operate a first transceiving unit and a second transceiving unit, whereinsaid first antenna is operated in combination with said second antenna in a first operational mode to serve as a diversity transceiving antenna system for said first transceiving unit, andsaid first antenna is operated in a second operational mode to serve as a single transceiving antenna for said second transceiving unit, wherein said controlling circuit is configured to selectively connectsaid first antenna and said second antenna to said first transceiving unit operating in said first operational mode, andonly said first antenna with said second transceiving unit in said second operational mode, and the system further comprises a testing interface for operating in testing modes, wherein said controlling circuit is configured to selectively connectsaid testing interface to said first transceiving unit in a first testing mode, andsaid testing interface to said second transceiving unit in a second testing mode, said controlling circuit comprises a first switching unit, a second switching unit and a third switching unit,said first switching unit is connected to said first transceiving unit, said second antenna and said second switching unit,said second switching unit is connected to said second transceiving unit, said first switching unit and said third switching unit,said third switching unit is connected to said second switching unit, said testing interface and said first antenna.

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