MULTIPLE-INPUT AND MULTIPLE-OUTPUT CARRIER AGGREGATION RECEIVER REUSE ARCHITECTURE

• US 20130230080A1
• Filed: 03/02/2012
• Published: 09/05/2013
• Est. Priority Date: 03/02/2012
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Gudem, Prasad Srinivasa Siva, He, Xiaoyin, Kadous, Tamer Adel, Chang, Li-Chung
• Granted Patent: US 9,172,402 B2
• Time in Patent Office: Days
• US Class Current: 375/219
• CPC Class Codes: H04B 1/0057 using diplexing or multiplexing filters for selecting the desired band
• CPC Class Codes: H04B 1/0064 with separate antennas for the more than one band H04B1/0053 takes precedence
• CPC Class Codes: H04B 1/525 with means for reducing leakage of transmitter signal into the receiver
• CPC Class Codes: H04B 7/0413 MIMO systems

Abstract

A wireless communication device configured for receiving a wireless multiple-input and multiple-output signal. The wireless communication device includes a first multiple-input and multiple-output carrier aggregation receiver reuse architecture. The first multiple-input and multiple-output carrier aggregation receiver reuse architecture includes a first antenna, a second antenna and a transceiver chip. The first multiple-input and multiple-output carrier aggregation receiver reuse architecture reuses a first carrier aggregation receiver path. The wireless communication device also includes a second multiple-input and multiple-output carrier aggregation receiver reuse architecture. The second multiple-input and multiple-output carrier aggregation receiver reuse architecture includes a third antenna, a fourth antenna and a receiver chip. The second multiple-input and multiple-output carrier aggregation receiver reuse architecture reuses a second carrier aggregation receiver path.

Claims

1. A wireless communication device configured for receiving a wireless multiple-input and multiple-output signal, comprising:

a first multiple-input and multiple-output carrier aggregation receiver reuse architecture that comprises;

a first antenna;

a second antenna; and

a transceiver chip, wherein the first multiple-input and multiple-output carrier aggregation receiver reuse architecture reuses a first carrier aggregation receiver path; and

a second multiple-input and multiple-output carrier aggregation receiver reuse architecture that comprises;

a third antenna;

a fourth antenna; and

a receiver chip, wherein the second multiple-input and multiple-output carrier aggregation receiver reuse architecture reuses a second carrier aggregation receiver path.

2. The wireless communication device of claim 1, wherein the wireless communication device does not require a power splitter, an external low noise amplifier or die-to-die signal routing.

3. The wireless communication device of claim 1, wherein the transceiver chip comprises:

a transmitter;

a first primary receiver; and

a first secondary receiver; and

wherein the receiver chip comprises;

a second primary receiver; and

a second secondary receiver, wherein each receiver comprises multiple low noise amplifiers.

4. The wireless communication device of claim 3, wherein a first routing is used from the first antenna through the first primary receiver to obtain a primary receive inphase/quadrature signal, wherein a second routing is used from the second antenna through the first secondary receiver to obtain a secondary receive inphase/quadrature signal, wherein a third routing is used from the third antenna through the second primary receiver to obtain a tertiary receive inphase/quadrature signal, and wherein a fourth routing is used from the fourth antenna through the second secondary receiver to obtain a quaternary receive inphase/quadrature signal.

5. The wireless communication device of claim 4, wherein the first routing passes through a duplexer and through a low noise amplifier on the first primary receiver.

6. The wireless communication device of claim 4, wherein the second routing passes through a surface acoustic wave filter and through a low noise amplifier on the first secondary receiver.

7. The wireless communication device of claim 4, wherein the third routing passes through a surface acoustic wave filter and through a low noise amplifier on the second primary receiver.

8. The wireless communication device of claim 4, wherein the fourth routing passes through a surface acoustic wave filter and through a low noise amplifier on the second secondary receiver.

9. The wireless communication device of claim 3, wherein only two synthesizers are running on the wireless communication device when the wireless communication device is receiving multiple-input and multiple-output communications.

10. The wireless communication device of claim 9, wherein the first primary receiver comprises a first synthesizer, wherein the second primary receiver comprises a second synthesizer, wherein the first synthesizer is shared with the first secondary receiver, and wherein the second synthesizer is shared with the second secondary receiver.

11. The wireless communication device of claim 1, wherein the wireless communication device is configured to receive 4Rx multiple-input and multiple-output communications using the first antenna, the second antenna, the third antenna and the fourth antenna.

12. The wireless communication device of claim 1, wherein the second antenna is a wireless local area network antenna.

13. The wireless communication device of claim 1, wherein the fourth antenna is a global positioning system antenna.

14. A method for receiving a multiple-input and multiple-output wireless signal, comprising:

receiving a first multiple-input and multiple-output wireless signal using a first antenna;

routing the first multiple-input and multiple-output wireless signal through a first primary receiver on a transceiver chip to obtain a primary receive inphase/quadrature signal;

receiving a second multiple-input and multiple-output wireless signal using a second antenna;

routing the second multiple-input and multiple-output wireless signal through a first secondary receiver on the transceiver chip to obtain a secondary receive inphase/quadrature signal;

receiving a third multiple-input and multiple-output wireless signal using a third antenna;

routing the third multiple-input and multiple-output wireless signal through a second primary receiver on a receiver chip to obtain a tertiary receive inphase/quadrature signal;

receiving a fourth multiple-input and multiple-output wireless signal using a fourth antenna; and

routing the fourth multiple-input and multiple-output wireless signal through a second secondary receiver on the receiver chip to obtain a quaternary receive inphase/quadrature signal.

15. The method of claim 14, further comprising obtaining a receive signal from the primary receive inphase/quadrature signal, the secondary receive inphase/quadrature signal, the tertiary receive inphase/quadrature signal and the quaternary receive inphase/quadrature signal.

16. The method of claim 15, wherein the primary receive inphase/quadrature signal, the secondary receive inphase/quadrature signal, the tertiary receive inphase/quadrature signal and the quaternary receive inphase/quadrature signal are passed through a baseband digital modem to obtain the receive signal.

17. The method of claim 14, wherein the method is performed by a wireless communication device.

18. The method of claim 17, wherein the wireless communication device comprises:

a first multiple-input and multiple-output carrier aggregation receiver reuse architecture that comprises;

a first antenna;

a second antenna; and

a transceiver chip, wherein the first multiple-input and multiple-output carrier aggregation receiver reuse architecture reuses a first carrier aggregation receiver path; and

a second multiple-input and multiple-output carrier aggregation receiver reuse architecture that comprises;

a third antenna;

a fourth antenna; and

a receiver chip, wherein the second multiple-input and multiple-output carrier aggregation receiver reuse architecture reuses a second carrier aggregation receiver path.

19. The method of claim 18, wherein the wireless communication device does not require a power splitter, an external low noise amplifier or die-to-die signal routing.

20. The method of claim 18, wherein the transceiver chip comprises:

a transmitter;

a first primary receiver; and

a first secondary receiver; and

wherein the receiver chip comprises;

a second primary receiver; and

a second secondary receiver, wherein each receiver comprises multiple low noise amplifiers.

21. The method of claim 20, wherein a first routing is used from the first antenna through the first primary receiver to obtain a primary receive inphase/quadrature signal, wherein a second routing is used from the second antenna through the first secondary receiver to obtain a secondary receive inphase/quadrature signal, wherein a third routing is used from the third antenna through the second primary receiver to obtain a tertiary receive inphase/quadrature signal, and wherein a fourth routing is used from the fourth antenna through the second secondary receiver to obtain a quaternary receive inphase/quadrature signal.

22. The method of claim 21, wherein the first routing passes through a duplexer and through a low noise amplifier on the first primary receiver.

23. The method of claim 21, wherein the second routing passes through a surface acoustic wave filter and through a low noise amplifier on the first secondary receiver.

24. The method of claim 21, wherein the third routing passes through a surface acoustic wave filter and through a low noise amplifier on the second primary receiver.

25. The method of claim 21, wherein the fourth routing passes through a surface acoustic wave filter and through a low noise amplifier on the second secondary receiver.

26. The method of claim 18, wherein only two synthesizers are running on the wireless communication device when the wireless communication device is receiving multiple-input and multiple-output communications.

27. The method of claim 26, wherein the first primary receiver comprises a first synthesizer, wherein the second primary receiver comprises a second synthesizer, wherein the first synthesizer is shared with the first secondary receiver, and wherein the second synthesizer is shared with the second secondary receiver.

28. The method of claim 18, wherein the wireless communication device is configured to receive 4Rx multiple-input and multiple-output communications using the first antenna, the second antenna, the third antenna and the fourth antenna.

29. The method of claim 18, wherein the second antenna is a wireless local area network antenna.

30. The method of claim 18, wherein the fourth antenna is a global positioning system antenna.

31. An apparatus for receiving a multiple-input and multiple-output wireless signal, comprising:

means for receiving a first multiple-input and multiple-output wireless signal;

means for routing the first multiple-input and multiple-output wireless signal through a first primary receiver on a transceiver chip to obtain a primary receive inphase/quadrature signal;

means for receiving a second multiple-input and multiple-output wireless signal;

means for routing the second multiple-input and multiple-output wireless signal through a first secondary receiver on the transceiver chip to obtain a secondary receive inphase/quadrature signal;

means for receiving a third multiple-input and multiple-output wireless signal;

means for routing the third multiple-input and multiple-output wireless signal through a second primary receiver on a receiver chip to obtain a tertiary receive inphase/quadrature signal;

means for receiving a fourth multiple-input and multiple-output wireless signal; and

means for routing the fourth multiple-input and multiple-output wireless signal through a second secondary receiver on the receiver chip to obtain a quaternary receive inphase/quadrature signal.

32. The apparatus of claim 31, further comprising obtaining a receive signal from the primary receive inphase/quadrature signal, the secondary receive inphase/quadrature signal, the tertiary receive inphase/quadrature signal and the quaternary receive inphase/quadrature signal.

33. The apparatus of claim 32, wherein the primary receive inphase/quadrature signal, the secondary receive inphase/quadrature signal, the tertiary receive inphase/quadrature signal and the quaternary receive inphase/quadrature signal are passed through a baseband digital modem to obtain the receive signal.

34. The apparatus of claim 31, wherein the apparatus is a wireless communication device.

35. The apparatus of claim 34, wherein the wireless communication device comprises:

a first multiple-input and multiple-output carrier aggregation receiver reuse architecture that comprises;

a first antenna;

a second antenna; and

a transceiver chip, wherein the first multiple-input and multiple-output carrier aggregation receiver reuse architecture reuses a first carrier aggregation receiver path; and

a second multiple-input and multiple-output carrier aggregation receiver reuse architecture that comprises;

a third antenna;

a fourth antenna; and

a receiver chip, wherein the second multiple-input and multiple-output carrier aggregation receiver reuse architecture reuses a second carrier aggregation receiver path.