Method and system for mobile receiver antenna architecture for world band cellular and broadcasting services

• US 7,949,341 B2
• Filed: 12/13/2004
• Issued: 05/24/2011
• Est. Priority Date: 12/13/2004
• Status: Expired due to Fees

• Current Assignee: Avago Technologies International Sales Pte Limited (Broadcom, Inc.)
• Original Assignee: Broadcom Corporation (Broadcom, Inc.)
• Inventors: Wessel van Rooyen, Pieter Gert
• Primary Examiner(s): Edouard; Patrick N
• Assistant Examiner(s): HEIBER, SHANTELL LAKETA
• Application Number:
  US11/011,006
• Publication Number:
  US 20060128393A1
• Time in Patent Office: 2,353 Days
• Field of Search: 455/552.1, 455/553.1, 455/556.1, 455/188.2, 455/552, 455/553, 455/73, 455/82, 455/83, 455/550.1, 455/180.1, 455/180.2, 455/426.1, 455/3.02, 455/3.04, 455/418, 455/431, 455/3.01, 455/456.1, 455/414.1, 455/12.1, 455/413, 455/575.7, 725/112, 725/109, 725/138, 725/75, 725/76, 725/77, 725/1, 725/30, 725/153, 725/73
• US Class Current: 455/452.1
• CPC Class Codes: H04B 1/005 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
• CPC Class Codes: H04B 1/0053 with common antenna for more than one band
• 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 1/38 Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
• CPC Class Codes: H04B 1/3805 with built-in auxiliary receivers

Abstract

A method for an antenna architecture that handles World 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 at least one of a 2100 MHz band and a 1900 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 1900 MHz band, a 1800 MHz band, a 900 MHz band and a 850 MHz band. Additionally, third signals may be received via the first antenna at a third RFIC integrated within the mobile terminal, where the third signals comprise signals within a VHF/UHF broadcast band.

Claims

1. A system for an antenna architecture that handles world 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 WCDMA 850 MHz band and one or both of;

a WCDMA 2100 MHz band and/or a WCDMA 1900 MHz band;

a second RFIC integrated within said mobile terminal coupled to said first antenna capable of handling signals within a GSM 850 MHz band, a GSM 900 MHz band and one or both of;

a GSM 1900 MHz band and/or a GSM 1800 MHz band; and

a third RFIC integrated within said mobile terminal coupled to said first antenna capable of handling digital video signals broadcast within one or both of;

a VHF broadcast band and/or a 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, 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, wherein said second RFIC is coupled to said first antenna via said first switch and said diplexer.

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

9. The system according to claim 1, 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, 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, wherein an output of said first polyphase filter is coupled to an input of said first switch.

12. The system according to claim 11, 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, 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, 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, wherein an output of said third polyphase filter is coupled to an input of said first RFIC capable of handling signals within said WCDMA 2100 MHz band.

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

17. The system according to claim 16, comprising a fourth polyphase filter, wherein an output of said third amplifier is coupled to an input of at least said fourth polyphase filter.

18. The system according to claim 17, wherein an output of said fourth polyphase filter is coupled to an input of said first switch.

19. The system according to claim 18, wherein an output of said first switch is coupled to an input of at least a fifth polyphase filter.

20. The system according to claim 19, comprising a fourth amplifier, wherein an output of said fifth polyphase filter is coupled to an input of at least said fourth amplifier.

21. The system according to claim 20, comprising a sixth polyphase filter, wherein an output of said fourth amplifier is coupled to an input of at least said sixth polyphase filter.

22. The system according to claim 21, comprising a first divider, wherein an output of said sixth polyphase filter is coupled to an input of said first divider.

23. The system according to claim 21, wherein an output of said first divider is coupled to an input of said first RFIC capable of handling signals within said WCDMA 1900 MHz band and an input of said second RFIC capable of handling signals within said GSM 1900 MHz band.

24. The system according to claim 23, 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.

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

26. The system according to claim 25, 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.

27. The system according to claim 26, wherein an output of said first transmit path bandpass filter is coupled to said input of said first switch.

28. The system according to claim 1, 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.

29. The system according to claim 28, 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.

30. The system according to claim 29, comprising a second receive path bandpass filter, wherein an output of said second switch is coupled to an input of at least a second receive path bandpass filter.

31. The system according to claim 30, wherein an output of said second receive path bandpass filter is coupled to an input of said second RFIC.

32. The system according to claim 1, comprising a fifth amplifier, wherein an output of said second RFIC is coupled to an input of at least said fifth amplifier.

33. The system according to claim 32, comprising a seventh polyphase filter, wherein an output of said fifth amplifier is coupled to an input of at least said seventh polyphase filter.

34. The system according to claim 33, wherein an output of said seventh polyphase filter is coupled to an input of said second switch.

35. The system according to claim 34, comprising an eighth polyphase filter, wherein an output of said second switch is coupled to an input of at least said eighth polyphase filter.

36. The system according to claim 35, comprising a sixth amplifier, wherein an output of said eighth polyphase filter is coupled to an input of at least said sixth amplifier.

37. The system according to claim 36, comprising a ninth polyphase filter, wherein an output of said sixth amplifier is coupled to an input of at least said ninth polyphase filter.

38. The system according to claim 37, comprising a second divider, wherein an output of said ninth polyphase filter is coupled to an input of said second divider.

39. The system according to claim 38, wherein an output of said second divider is coupled to an input of said first RFIC capable of handling signals within said WCDMA 850 MHz band and an input of said second RFIC capable of handling signals within said GSM 850 MHz band.

40. The system according to claim 39, wherein said output of said second switch is coupled to an input of said third RFIC.

41. The system according to claim 1, wherein said first antenna is coupled to an input of said third RFIC.

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

43. The system according to claim 42, wherein said second antenna is coupled to said second RFIC via said first switch.

44. The system according to claim 43, comprising a second switch and a third antenna, wherein said third antenna is coupled to said third RFIC via at least said second switch.

45. The system according to claim 44, wherein said third antenna is coupled to said second RFIC via said second switch.

46. The system according to claim 45, wherein said second antenna is coupled to an input of said first switch.

47. The system according to claim 46, wherein said third antenna is coupled to an input of said second switch.

48. The system according to claim 47, wherein said third antenna is coupled to said input of said third RFIC capable of handling signals within said VHF and/or UHF broadcast band.

49. The system according to claim 1, comprising a fourth antenna and a seventh polyphase filter, wherein said fourth antenna is coupled to said first RFIC via said seventh polyphase filter in a transmit path capable of handling signals within said WCDMA 850 MHz band.

50. The system according to claim 49, comprising an eighth polyphase filter, wherein said fourth antenna is coupled to said second RFIC via said eighth polyphase filter in a receive path capable of handling signals within said GSM 850 MHz band.

51. The system according to claim 50, wherein said fourth antenna is coupled to an input of said eighth polyphase filter.

52. The system according to claim 51, wherein said output of said seventh polyphase filter is coupled to said fourth antenna.

53. The system according to claim 1, comprising a fifth antenna and a second transmit path bandpass filter, wherein said fifth antenna is coupled to said second RFIC via said second transmit path bandpass filter in a transmit path capable of handling signals within said GSM 850 MHz band and said GSM 900 MHz band.

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

55. The system according to claim 1, comprising a seventh antenna and a first transmit path bandpass filter, wherein said seventh antenna is coupled to said second RFIC via said first transmit path bandpass filter in a transmit path capable of handling signals within said GSM 1800 MHz band and said GSM 1900 MHz band.

56. The system according to claim 1, comprising an eighth antenna and a first receive path bandpass filter, wherein said eighth receive path bandpass filter is coupled to said second RFIC via said first receive path bandpass filter in a receive path capable of handling signals within said GSM 1800 MHz band.

57. The system according to claim 1, comprising a ninth antenna and a fourth polyphase filter, wherein said ninth antenna is coupled to said first RFIC via said fourth polyphase filter in a transmit path capable of handling signals within said WCDMA 1900 MHz band.

58. The system according to claim 57, comprising a fifth polyphase filter, wherein said ninth antenna is coupled to said second RFIC via said fifth polyphase filter in a receive path capable of handling signals within said GSM 1900 MHz band.

59. The system according to claim 58, wherein said ninth antenna is coupled to an input of said fifth polyphase filter.

60. The system according to claim 59, wherein said output of said fourth polyphase filter is coupled to said ninth antenna.

61. The system according to claim 1, comprising a tenth antenna and a first polyphase filter, wherein said tenth antenna is coupled to said first RFIC via said first polyphase filter in a transmit path capable of handling signals within said WCDMA 850 MHz band.

62. The system according to claim 61, comprising a second polyphase filter, wherein said tenth antenna is coupled to said first RFIC via said second polyphase filter in a receive path capable of handling signals within said WCDMA 850 MHz band.

63. The system according to claim 62, wherein said tenth antenna is coupled to an input of said second polyphase filter.

64. The system according to claim 63, wherein said output of said first polyphase filter is coupled to said tenth antenna.

65. The system according to claim 1, comprising an eleventh antenna, a second amplifier and a third polyphase filter, wherein said eleventh antenna is coupled to said first RFIC via said second amplifier and said third polyphase filter in a receive path capable of handling signals within said WCDMA 2100 MHz band.

66. The system according to claim 65, wherein said second amplifier is a low noise amplifier.

67. The system according to claim 1, comprising a twelfth antenna and a first amplifier, wherein said twelfth antenna is coupled to said first RFIC via said first amplifier in a transmit path capable of handling signals within said WCDMA 2100 MHz band.

68. The system according to claim 67, wherein said first amplifier is a power amplifier.

69. The system according to claim 1, comprising a thirteenth antenna, a sixth polyphase filter and a fourth amplifier, wherein said thirteenth antenna is coupled to said first RFIC and said second RFIC via said sixth polyphase filter and said fourth amplifier in a receive path capable of handling signals within said WCDMA 1900 MHz band and GSM 1900 MHz band respectively.

70. The system according to claim 1, comprising a fourteenth antenna and a third amplifier, wherein said fourteenth antenna is coupled to said first RFIC via said third amplifier in a transmit path capable of handling signals within said WCDMA 1900 MHz band.

71. A method for an antenna architecture that handles world 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 WCDMA 850 MHz band and one or both of;

a WCDMA 2100 MHz band and/or a WCDMA 1900 MHz band;

receiving at a second RFIC integrated within said mobile terminal, second signals via said first antenna, said second signals comprising signals within a GSM 850 MHz band, a GSM 900 MHz band and one or both of;

a GSM 1900 MHz band and/or a GSM 1800 MHz band; and

receiving at a third RFIC integrated within said mobile terminal, third signals via said first antenna, said third signals comprising digital video signals broadcast within one or both of;

a VHF broadcast band and/or a UHF broadcast band.

72. The method according to claim 71, wherein said first RFIC is a WCDMA/HSDPA RFIC.

73. The method according to claim 71, wherein said second RFIC is a GSM RFIC.

74. The method according to claim 71, wherein said third RFIC is a DVB RFIC.