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Front-end arrangements for multiband multimode communication engines

  • US 20050085260A1
  • Filed: 10/17/2003
  • Published: 04/21/2005
  • Est. Priority Date: 10/17/2003
  • Status: Active Grant
First Claim
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1. A receive front-end module for use in conjunction with a transceive front-end module in a multi-band communication device, the communication device having at least a first antenna and a second antenna electrically separated from the first antenna, wherein the transceive front-end module comprises a plurality of signal paths operatively connected to the first antenna for transmitting signals in at least a first transmit frequency band and a different second transmit frequency band, said receive front-end module comprising:

  • a feed point, operatively connected to the second antenna for receiving communication signals in the communication device; and

    a plurality of receive signal paths, operatively connected to the feed point for receiving communication signals in a plurality of frequency bands, wherein said plurality of frequency bands includes at least a first receive frequency band, which is partially overlapped with the first transmit frequency band in the transceive front-end module, and a second receive frequency band, which is spaced from the first receive frequency band in frequency.

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