Method and system for mobile receiver antenna architecture for handling various digital video broadcast channels

• US 20060130101A1
• Filed: 12/13/2004
• Published: 06/15/2006
• 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: Wessel van Rooyen, Pieter Gert
• Granted Patent: US 7,421,244 B2
• Time in Patent Office: Days
• US Class Current: 725/100
• CPC Class Codes: H04B 1/0057 using diplexing or multiplexing filters for selecting the desired band
• CPC Class Codes: H04B 1/006 using switches for selecting the desired band H04B1/0057 takes precedence
• 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 may comprise receiving at a first radio frequency integrated circuit (RFIC) integrated within a mobile terminal, first signals via at least a first antenna, where the first signals may comprise signals within a 2100 MHz band. Second signals may be received at a second RFIC integrated within the mobile terminal via at least one of the first antenna and at least one other antenna, where the second signals may comprise signals within at least one of an 1800 MHz band and a 900 MHz band. Third signals may be received at at least a third RFIC integrated within the mobile terminal via at least one of the first antenna and at least one other antenna, where the third signals may comprise VHF/UHF broadcast signals within at least one of a DVB broadcast band, an ATSC broadcast band and an ISDB broadcast band.

Claims

1. A system for an antenna architecture that handles various digital video 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 cellular signals within a 2100 MHz band;

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

at least a third RFIC integrated within said mobile terminal coupled to at least one of said first antenna and at least one other antenna capable of handling at least VHF/UHF broadcast signals within a DVB broadcast band, an ATSC broadcast band and an ISDB 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 at least third RFIC integrated within said mobile terminal coupled to said first antenna is capable of handling VHF/UHF broadcast signals within a DVB broadcast band.

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, said third RFIC capable of handling VHF/UHF broadcast signals within a DVB broadcast band.

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 8, further comprising a fourth RFIC coupled to said first antenna via said second switch and said diplexer, wherein said fourth RFIC is capable of handling VHF/UHF broadcast signals within an ATSC VHF/UHF broadcast band.

10. The system according to claim 9, further comprising a fifth RFIC coupled to said first antenna via said second switch and said diplexer, wherein said fifth RFIC is capable of handling VHF/UHF broadcast signals within an ISDB VHF/UHF broadcast band.

11. 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.

12. The system according to claim 11, 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.

13. The system according to claim 12, further comprising an output of said first polyphase filter coupled to an input of said first switch.

14. The system according to claim 13, 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.

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

16. The system according to claim 15, 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.

17. The system according to claim 16, 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.

18. The system according to claim 17, 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.

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

20. The system according to claim 19, 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.

21. The system according to claim 20, further comprising an output of said first transmit path bandpass filter coupled to said input of said first switch.

22. 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.

23. The system according to claim 22, 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.

24. The system according to claim 23, 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.

25. The system according to claim 24, further comprising an output of said second receive path bandpass filter coupled to an input of said second RFIC.

26. The system according to claim 25, further comprising said output of said second switch coupled to an input of said third RFIC, said third RFIC capable of handling VHF/UHF broadcast signals within a DVB broadcast band.

27. The system according to claim 1, further comprising said first antenna coupled to an input of said third RFIC, said third RFIC capable of handling VHF/UHF broadcast signals within a DVB broadcast band.

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

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

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

31. The system according to claim 30, further comprising said third antenna coupled to said second RFIC via said second switch and said diplexer.

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

33. The system according to claim 32, further comprising said third antenna coupled to an input of said second switch.

34. The system according to claim 33, further comprising said third antenna coupled to said input of said third RFIC capable of handling signals within said DVB VHF/UHF broadcast band.

35. 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.

36. The system according to claim 35, further comprising said fourth antenna coupled to said first RFIC via a second polyphase filter in a receive path.

37. The system according to claim 36, further comprising said fourth antenna coupled to said input of said second polyphase filter.

38. The system according to claim 37, further comprising said output of said first polyphase filter coupled to said fourth antenna.

39. 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.

40. 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.

41. 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.

42. 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.

43. The system according to claim 42, wherein said first amplifier is a power amplifier.

44. 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.

45. The system according to claim 44, wherein said second amplifier is a low noise amplifier.

46. 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.

47. The system according to claim 1, further comprising an eleventh antenna coupled to an input of a fourth RFIC capable of handling VHF/UHF broadcast signals within said ATSC VHF/UHF broadcast band.

48. The system according to claim 1, further comprising a twelfth antenna coupled to an input of a fifth RFIC capable of handling VHF/UHF broadcast signals within said ISDB VHF/UHF broadcast band.

49. A method for an antenna architecture that handles various digital video broadcast channels, the method comprising:

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

receiving at at least a third RFIC integrated within said mobile terminal, third signals via at least one of said first antenna and at least one other antenna, said third signals comprising VHF/UHF broadcast signals within at least one of a DVB broadcast band, an ATSC broadcast band and an ISDB broadcast band.

50. The method according to claim 49, wherein said first RFIC is a WCDMA/HSDPA RFIC.

51. The method according to claim 49, wherein said second RFIC is a GSM RFIC.

52. The method according to claim 49, further comprising receiving at said third RFIC integrated within said mobile terminal, third signals via said first antenna, said third signals comprising VHF/UHF broadcast signals within said DVB broadcast band.

53. The method according to claim 52, wherein said third RFIC is a DVB RFIC.

54. The method according to claim 49, further comprising receiving at a fourth RFIC integrated within said mobile terminal, fourth signals via said first antenna, said fourth signals comprising VHF/UHF broadcast signals within an ATSC VHF/UHF broadcast band.

55. The method according to claim 54, wherein said fourth RFIC is an ATSC RFIC.

56. The method according to claim 49, further comprising receiving at a fifth RFIC integrated within said mobile terminal, fifth signals via said first antenna, said fifth signals comprising signals within an ISDB VHF/UHF broadcast band.

57. The method according to claim 56, wherein said fifth RFIC is an ISDB RFIC.