Method and system for mobile receiver antenna architecture for European cellular and broadcasting services

• US 7,313,414 B2
• Filed: 12/13/2004
• Issued: 12/25/2007
• Est. Priority Date: 12/13/2004
• Status: Active Grant

• Current Assignee: Avago Technologies International Sales Pte Limited (Broadcom, Inc.)
• Original Assignee: Broadcom Corporation (Broadcom, Inc.)
• Inventors: van Rooyen, Pieter Gert Wessel
• Primary Examiner(s): LE, THANH C
• Application Number:
  US11/010,883
• Publication Number:
  US 20060128427A1
• Time in Patent Office: 1,107 Days
• Field of Search: None
• US Class Current: 455/553.1
• CPC Class Codes: H04B 1/406 with more than one transmission mode, e.g. analog and digital modes
• CPC Class Codes: H04B 1/48 in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter H04B1/46 takes precedence

Abstract

A method for an antenna architecture that handles European band cellular and broadcast channels may be provided. The method may comprise receiving at a first radio frequency integrated circuit (RFIC) integrated within a mobile terminal, first signals via a first antenna, where the first signals comprise signals within a 2100 MHz band. The method may further comprise receiving at a second RFIC integrated within the mobile terminal, second signals via the first antenna, where the second signals comprise signals within at least one of a 1800 MHz band and a 900 MHz band and receiving at a third RFIC integrated within the mobile terminal, third signals via the first antenna, where the third signals comprise signals within a VHF/UHF broadcast band.

Claims

1. A system for an antenna architecture that handles European band cellular and broadcast channels, the system comprising:

a first radio frequency integrated circuit (RFIC) integrated within a mobile terminal coupled to at least a first antenna capable of handling signals within a 2100 MHz band;

a second RFIC integrated within said mobile terminal coupled to said first antenna capable of handling signals within at least one of a 1800 MHz band and a 900 MHz band; and

a third RFIC integrated within said mobile terminal coupled to said first antenna capable of handling signals within a VHF/UHF broadcast band.

2. The system according to claim 1, wherein said first RFIC is a WCDMA/HSDPA RFIC.

3. The system according to claim 1, wherein said second RFIC is a GSM RFIC.

4. The system according to claim 1, wherein said third RFIC is a DVB RFIC.

5. The system according to claim 1, further comprising a diplexer and a first switch, wherein said first RFIC is coupled to said first antenna via said first switch and said diplexer.

6. The system according to claim 5, further comprising said second RFIC is coupled to said first antenna via said first switch and said diplexer.

7. The system according to claim 6, further comprising a second switch, wherein said third RFIC is coupled to said first antenna via said second switch and said diplexer.

8. The system according to claim 7, further comprising said second RFIC is coupled to said first antenna via said second switch and said diplexer.

9. The system according to claim 1, further comprising a first amplifier, wherein an output of said first RFIC is coupled to an input of at least said first amplifier.

10. The system according to claim 9, further comprising a first polyphase filter, wherein an output of said first amplifier is coupled to an input of at least said first polyphase filter.

11. The system according to claim 10, further comprising an output of said first polyphase filter coupled to an input of said first switch.

12. The system according to claim 11, further comprising a second polyphase filter, wherein an output of said first switch is coupled to an input of at least said second polyphase filter.

13. The system according to claim 12, further comprising a second amplifier, wherein an output of said second polyphase filter is coupled to an input of at least said second amplifier.

14. The system according to claim 13, further comprising a third polyphase filter, wherein an output of said second amplifier is coupled to an input of at least said third polyphase filter.

15. The system according to claim 14, further comprising an output of said third polyphase filter coupled to an input of said first RFIC capable of handling signals within said 2100 MHz band.

16. The system according to claim 15, further comprising a first receive path bandpass filter, wherein said output of said first switch is coupled to an input of at least said first receive path bandpass filter.

17. The system according to claim 16, further comprising an output of said first receive path bandpass filter coupled to an input of said second RFIC.

18. The system according to claim 17, further comprising a first transmit path bandpass filter, wherein an output of said second RFIC is coupled to an input of at least said first transmit path bandpass filter.

19. The system according to claim 18, further comprising an output of said first transmit path bandpass filter coupled to said input of said first switch.

20. The system according to claim 1, further comprising a second transmit path bandpass filter, wherein an output of said second RFIC is coupled to an input of at least said second transmit path bandpass filter.

21. The system according to claim 20, further comprising a second switch, wherein an output of said second transmit path bandpass filter is coupled to an input of at least said second switch.

22. The system according to claim 21, further comprising a second receive path bandpass filter, wherein an output of said second switch is coupled to an input of at least said second receive path bandpass filter.

23. The system according to claim 22, further comprising an output of said second receive path bandpass filter coupled to an input of said second RFIC.

24. The system according to claim 23, further comprising said output of said second switch coupled to an input of said third RFIC.

25. The system according to claim 1, further comprising said first antenna coupled to an input of said third RFIC.

26. The system according to claim 1, further comprising a second antenna coupled to said first RFIC via a first switch and a diplexer.

27. The system according to claim 26, further comprising said second antenna coupled to said second RFIC via said first switch and said diplexer.

28. The system according to claim 27, further comprising a third antenna coupled to said third RFIC via at least a second switch and said diplexer.

29. The system according to claim 28, further comprising said third antenna coupled to said second RFIC via said second switch and said diplexer.

30. The system according to claim 29, further comprising said second antenna coupled to an input of said first switch.

31. The system according to claim 30, further comprising said third antenna coupled to an input of said second switch.

32. The system according to claim 31, further comprising said third antenna coupled to said input of said third RFIC capable of handling signals within said VHF/UHF broadcast band.

33. The system according to claim 1, further comprising a fourth antenna coupled to said first RFIC via a first polyphase filter in a transmit path.

34. The system according to claim 33, further comprising said fourth antenna coupled to said first RFIC via a second polyphase filter in a receive path.

35. The system according to claim 34, further comprising said fourth antenna coupled to said input of said second polyphase filter.

36. The system according to claim 35, further comprising said output of said first polyphase filter coupled to said fourth antenna.

37. The system according to claim 1, further comprising a fifth antenna coupled to said second RFIC via a first transmit path bandpass filter in a transmit path capable of handling signals within said 1800 MHz band.

38. The system according to claim 1, further comprising a sixth antenna coupled to said second RFIC via a second receive path bandpass filter in a receive path capable of handling signals within said 900 MHz band.

39. The system according to claim 1, further comprising a seventh antenna coupled to said second RFIC via a second transmit path bandpass filter in a transmit path capable of handling signals within said 900 MHz band.

40. The system according to claim 1, further comprising an eighth antenna coupled to said first RFIC via a first polyphase filter and a first amplifier in a transmit path capable of handling signals within said 2100 MHz band.

41. The system according to claim 40, wherein said first amplifier is a power amplifier.

42. The system according to claim 1, further comprising a ninth antenna coupled to said first RFIC via a second polyphase filter, a second amplifier and a third polyphase filter in a receive path capable of handling signals within said 2100 MHz band.

43. The system according to claim 42, wherein said second amplifier is a low noise amplifier.

44. The system according to claim 1, further comprising a tenth antenna coupled to said second RFIC via a first receive path bandpass filter in a receive path capable of handling signals within said 1800 MHz band.

45. A method for an antenna architecture that handles European band cellular and broadcast channels, the method comprising:

receiving at a first radio frequency integrated circuit (RFIC) integrated within a mobile terminal, first signals via a first antenna, said first signals comprising signals within a 2100 MHz band;

receiving at a second RFIC integrated within said mobile terminal, second signals via said first antenna, said second signals comprising signals within at least one of a 1800 MHz band and a 900 MHz band; and

receiving at a third RFIC integrated within said mobile terminal, third signals via said first antenna, said third signals comprising signals within a VHF/UHF broadcast band.

46. The method according to claim 45, wherein said first RFIC is a WCDMA/HSDPA RFIC.

47. The method according to claim 45, wherein said second RFIC is a GSM RFIC.

48. The method according to claim 45, wherein said third RFIC is a DVB RFIC.