Method and system for a distributed configurable transceiver architecture and implementation

• US 9,226,092 B2
• Filed: 06/17/2013
• Issued: 12/29/2015
• Est. Priority Date: 08/08/2012
• Status: Active Grant

• Current Assignee: Peltbeam Incorporated
• Original Assignee: Golba LLC
• Inventors: Moshfeghi, Mehran
• Primary Examiner(s): Kim, Wesley
• Assistant Examiner(s): CHAKRABORTY, RAJARSHI
• Application Number:
  US13/919,967
• Publication Number:
  US 20140045478A1
• Time in Patent Office: 925 Days
• Field of Search: 455/41.8
• US Class Current: 1/1
• CPC Class Codes: H04B 17/26 using historical data, averaging values or statistics
• CPC Class Codes: H04B 17/309 Measuring or estimating channel quality parameters
• CPC Class Codes: H04B 17/336 Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
• CPC Class Codes: H04B 17/382 for resource allocation, admission control or handover
• CPC Class Codes: H04B 7/024 Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
• CPC Class Codes: H04B 7/0413 MIMO systems
• CPC Class Codes: H04B 7/0456 Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
• CPC Class Codes: H04B 7/0617 for beam forming
• CPC Class Codes: H04B 7/0689 using different transmission schemes, at least one of them being a diversity transmission scheme
• CPC Class Codes: H04B 7/0697 using spatial multiplexing
• CPC Class Codes: H04B 7/0871 using different reception schemes, at least one of them being a diversity reception scheme
• CPC Class Codes: H04B 7/10 Polarisation diversity; Directional diversity
• CPC Class Codes: H04B 7/12 Frequency diversity
• CPC Class Codes: H04L 12/6418 Hybrid transport
• CPC Class Codes: H04L 5/0048 Allocation of pilot signals, i.e. of signals known to the receiver
• CPC Class Codes: H04L 7/033 using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
• CPC Class Codes: H04W 16/10 Dynamic resource partitioning
• CPC Class Codes: H04W 24/02 Arrangements for optimising operational condition
• CPC Class Codes: H04W 4/00 Services specially adapted for wireless communication networks; Facilities therefor
• CPC Class Codes: H04W 76/15 Setup of multiple wireless link connections
• CPC Class Codes: H04W 84/00 : Network topologies

Abstract

In communication device comprising a plurality of distributed transceivers and one or more corresponding antenna arrays, a first distributed transceiver is configured to receive signals comprising one or more first data streams and a second distributed transceiver is configured to receive signals comprising one or more second data streams. One or more components within a transmit processing chain of the first distributed transceiver and/or one or more components within a transmit processing chain of the second distributed transceiver are adjusted to maximize beamforming gain for the one or more first data streams and/or second data streams. A phase of the one or more first data streams and/or the one or more second data streams may be adjusted by the one or more components within a transmit processing chain of the first distributed transceiver and/or the one or more components within a transmit processing chain of the second distributed transceiver.

Claims

1. A method, comprising:

in a communication device comprising a plurality of distributed transceivers, each distributed transceiver comprising a corresponding antenna array comprising a plurality of antennas;

in a first mode of operation, configuring a first distributed transceiver of said plurality of distributed transceivers to;

receive a first data stream in an intermediate frequency;

convert a frequency of the first data stream from the intermediate frequency to a radio frequency; and

transmit signals comprising the first data stream through the antenna array of the first distributed transceiver at said radio frequency;

in the first mode of operation, configuring a second distributed transceiver of said plurality of distributed transceivers to;

receive a second data stream in the intermediate frequency;

convert a frequency of the second data stream from the intermediate frequency to said radio frequency; and

transmit signals comprising the second data stream through the antenna array of the second distributed transceiver at said radio frequency;

in a second mode of operation configuring the first distributed transceiver to;

receive the first data stream in the intermediate frequency;

convert the frequency of the first data stream from the intermediate frequency to said radio frequency;

send the first data stream to the second distributed transceiver at said radio frequency; and

transmit signals comprising the first data stream through the antenna array of the first distributed transceiver at said radio frequency; and

in the second mode of operation configuring the second distributed transceiver to;

receive the first data stream from the first distributed transceiver at said radio frequency; and

transmit signals comprising the first data stream through the antenna array of the second distributed transceiver at said radio frequency,

wherein in the first mode of operation (i) the first distributed transceiver selects and transmits the first data stream and (ii) the second distributed transceiver selects and transmits the second data stream,

wherein in the second mode of operation the first and second distributed transceivers select and transmit the first data stream.

2. The method according to claim 1 further comprising dynamically switching between the first mode of operation and the second mode of operation based on a signal to noise ratio (SNR) associated with at least one of said first distributed transceiver and said second distributed transceiver.

3. The method according to claim 1 further comprising configuring one or more selectors within said first distributed transceiver and said second distributed transceiver to transmit the first data stream from said first distributed transceiver and the second data stream from said second distributed transceiver in a spatial multiplexing mode in the first mode of operation.

4. The method according to claim 1 further comprising configuring one or more selectors within said first distributed transceiver and said second distributed transceiver to transmit said first data stream from said first distributed transceiver and said second distributed transceiver in a spatial multiplexing single beam single stream operating mode in the second mode of operation.

5. The method according to claim 1 further comprising:

determining one or more phase adjustment parameters for configuring one or more components within said first distributed transceiver and said second distributed transceiver based on said first and second modes of operation for said first distributed transceiver and said second distributed transceiver.

20. The method according to claim 1, wherein each distributed transceiver further comprises an intermediate frequency to radio frequency (IF to RF) converter and a multiplexer, the method further comprising:

receiving signals in the intermediate frequency at the IF to RF converter of each distributed transceiver;

converting the intermediate frequency signal to the radio frequency signal at each IF to RF converter; and

providing the radio frequency signal to (i) the multiplexer in the distributed transceiver that comprises the IF to RF converter and (ii) the multiplexer of one or more other distributed transceivers of the communication device.

21. The method according to claim 1, wherein each distributed transceiver further comprises an intermediate frequency to radio frequency (IF to RF) converter and a multiplexer, the method further comprising:

receiving radio frequency signals at each multiplexer from the IF to RF converter of the distributed transceiver that comprises the multiplexer;

receiving radio frequency signals at each multiplexer from an IF to RF converter of one or more other distributed transceivers of the communication device; and

selectively sending one of the received radio frequency signals to an output of the multiplexer.

22. The method according to claim 21, wherein each distributed transceiver further comprises a phase shifter and a power amplifier in a path between (i) the multiplexer of the distributed transceiver and (ii) each antenna in the antenna array of distributed transceiver, the method further comprising:

generating a phase adjusted signal at each phase shifter;

sending the phase adjusted signal to the power amplifier in a same path as the phase shifter;

receiving the phase adjusted signal at each power amplifier from the phase shifter in the same path as the power amplifier;

amplifying the phase adjusted signal; and

sending the amplified signal to the antenna of the antenna array in the same path as the power amplifier.

23. The method according to claim 1, wherein each distributed transceiver further comprises an intermediate frequency to radio frequency (IF to RF) converter and a multiplexer, the method further comprising:

in the first mode of operation, receiving the first data stream in the radio frequency at the multiplexer of the first distributed transceiver from the IF to RF converter of the first distributed transceiver;

in the first mode of operation, receiving the second data stream in the radio frequency at the multiplexer of the first distributed transceiver from the IF to RF converter of the second distributed transceiver; and

in the first mode of operation, selectively blocking the second data stream at the multiplexer of the first distributed transceiver and sending the first data stream to an output of said multiplexer of the first distributed transceiver.

24. The method according to claim 1, wherein each distributed transceiver further comprises an intermediate frequency to radio frequency (IF to RF) converter and a multiplexer, the method further comprising:

in the first mode of operation, receiving the second data stream in the radio frequency at the multiplexer of the second distributed transceiver from the IF to RF converter of the second distributed transceiver;

in the first mode of operation, the receiving first data stream in the radio frequency at the multiplexer of the second distributed transceiver from the IF to RF converter of the first distributed transceiver; and

in the first mode of operation, selectively blocking the first data stream at the multiplexer of the second distributed transceiver and sending the second data stream to an output of said multiplexer of the second distributed transceiver.

25. The method according to claim 1, wherein each distributed transceiver further comprises an intermediate frequency to radio frequency (IF to RF) converter and a multiplexer, the method further comprising:

in the second mode of operation, receiving the first data stream in the radio frequency at the multiplexer of the first distributed transceiver from the IF to RF converter of the first distributed transceiver; and

in the second mode of operation, sending the first data stream to an output of said multiplexer of the first distributed transceiver.

26. The method according to claim 1, wherein each distributed transceiver further comprises an intermediate frequency to radio frequency (IF to RF) converter and a multiplexer, the method further comprising:

in the second mode of operation, receiving the first data stream in the radio frequency at the multiplexer of the second distributed transceiver from the IF to RF converter of the first distributed transceiver; and

in the second mode of operation, sending the first data stream to an output of said multiplexer of the second distributed transceiver.

27. The method according to claim 1, wherein each distributed transceiver further comprises a phase shifter corresponding to each antenna in the antenna array of distributed transceiver, the method further comprising performing a calibration process to configure the phase shifters of the first and second distributed transceivers to form a single beam in the second mode of operation.

28. The method according to claim 1, wherein each distributed transceiver further comprises a phase shifter corresponding to each antenna in the antenna array of distributed transceiver, the method further comprising performing a calibration process to configure the phase shifters of the first and second distributed transceivers to maximize a signal gain at a single direction in the second mode of operation.

6. A communication device, comprising:

a plurality of distributed transceivers, each distributed transceiver comprising a corresponding antenna array comprising a plurality of antennas, the communication device configured to;

configure, in a first mode of operation, a first distributed transceiver of said plurality of distributed transceivers to;

receive a first data stream in an intermediate frequency;

convert a frequency of the first data stream from the intermediate frequency to said radio frequency; and

transmit signals comprising the first data stream through the antenna array of the first distributed transceiver at said radio frequency;

configure, in the first mode of operation, a second distributed transceiver of said plurality of distributed transceivers to;

receive a second data stream in the intermediate frequency;

convert a frequency of the second data stream from the intermediate frequency to said radio frequency; and

transmit signals comprising the second data stream through the antenna array of the second distributed transceiver at said radio frequency;

configure, in a second mode of operation, the first distributed transceiver to;

receive the first data stream in the intermediate frequency;

convert the frequency of the first data stream from the intermediate frequency to said radio frequency;

send the first data stream to the second distributed transceiver at said radio frequency; and

transmit signals comprising the first data stream through the antenna array of the first distributed transceiver at said radio frequency; and

configure, in the second mode of operation, the second distributed transceiver to;

receive the first data stream from the first distributed transceiver at said radio frequency; and

transmit signals comprising the first data stream through the antenna array of the second distributed transceiver at said radio frequency,

wherein in the first mode of operation (i) the first distributed transceiver selects and transmits the first data stream and (ii) the second distributed transceiver selects and transmits the second data stream,

wherein in the second mode of operation the first and second distributed transceivers select and transmit the first data stream.

7. The communication device according to claim 6 further configured to dynamically switch said first distributed transceiver and said second distributed transceiver between the first mode of operation and the second mode of operation based on a signal to noise ratio (SNR) associated with at least one of said first distributed transceiver and said second distributed transceiver.

8. The communication device according to claim 6 further configured to configure one or more selectors within said first distributed transceiver and said second distributed transceiver to transmit the first data stream from said first distributed transceiver and the second data stream from said second distributed transceiver in a spatial multiplexing mode in the first mode of operation.

9. The communication device according to claim 6 further configured to configure one or more selectors within said first distributed transceiver and said second distributed transceiver to transmit said first data stream from said first distributed transceiver and said second distributed transceiver in a spatial multiplexing single beam single stream operating mode in the second mode of operation.

10. The communication device according to claim 6 further configured to determine one or more phase adjustment parameters for one or more components within said first distributed transceiver and said second distributed transceiver based on said first and second modes of operation for said first distributed transceiver and said second distributed transceiver.

11. The communication device according to claim 6, wherein each distributed transceiver further comprises an intermediate frequency to radio frequency (IF to RF) converter and a multiplexer, each IF to RF converter configured to:

receive signals in the intermediate frequency;

convert the intermediate frequency signal to the radio frequency signal; and

provide the radio frequency signal to (i) the multiplexer of the distributed transceiver that comprises the IF to RF converter and (ii) the multiplexer of one or more other distributed transceivers of the communication device.

12. The communication device according to claim 6, wherein each distributed transceiver further comprises an intermediate frequency to radio frequency (IF to RF) converter and a multiplexer, wherein each multiplexer is configured to:

receive radio frequency signals from the IF to RF converter of the distributed transceiver that comprises the multiplexer;

receive radio frequency signals from an IF to RF converter of one or more other distributed transceivers of the communication device; and

selectively send one of said received radio frequency signals to an output of the multiplexer.

13. The communication device according to claim 12, wherein each distributed transceiver further comprises a phase shifter and a power amplifier in a path between (i) the multiplexer of the distributed transceiver and (ii) each antenna in the antenna array of distributed transceiver,

each phase shifter in a path is configured to:

generate a phase adjusted signal; and

send the phase adjusted signal to the power amplifier in the path,

each power amplifier in a path is configured to;

receive the phase adjusted signal from the phase shifter in the path;

amplify the phase adjusted signal; and

send the amplified signal to the antenna of the antenna array in the path.

14. The communication device according to claim 6, wherein each distributed transceiver further comprises an intermediate frequency to radio frequency (IF to RF) converter and a multiplexer, wherein the multiplexer of the first distributed transceiver in the first mode of operation is configured to:

receive the first data stream in the radio frequency from the IF to RF converter of the first distributed transceiver;

receive the second data stream in the radio frequency from the IF to RF converter of the second distributed transceiver; and

selectively block the second data stream and send the first data stream to an output of the multiplexer of the first distributed transceiver.

15. The communication device according to claim 6, wherein each distributed transceiver further comprises an intermediate frequency to radio frequency (IF to RF) converter and a multiplexer, wherein the multiplexer of the second distributed transceiver in the first mode of operation is configured to:

receive the second data stream in the radio frequency from the IF to RF converter of the second distributed transceiver;

receive the first data stream in the radio frequency from the IF to RF converter of the first distributed transceiver; and

selectively block the first data stream and send the second data stream to an output of the multiplexer of the second distributed transceiver.

16. The communication device according to claim 6, wherein each distributed transceiver further comprises an intermediate frequency to radio frequency (IF to RF) converter and a multiplexer, wherein the multiplexer of the first distributed transceiver in the second mode of operation is configured to:

receive the first data stream in the radio frequency from the IF to RF converter of the first distributed transceiver; and

send the first data stream to an output of the multiplexer of the first distributed transceiver.

17. The communication device according to claim 6, wherein each distributed transceiver further comprises an intermediate frequency to radio frequency (IF to RF) converter and a multiplexer, wherein the multiplexer of the second distributed transceiver in the second mode of operation is configured to:

receive the first data stream in the radio frequency from the IF to RF converter of the first distributed transceiver; and

send the first data stream to an output of the multiplexer of the second distributed transceiver.

18. The communication device according to claim 6, wherein each distributed transceiver further comprises a phase shifter corresponding to each antenna in the antenna array of distributed transceiver, the communication device further configured to perform a calibration process to configure the phase shifters of the first and second distributed transceivers to form a single beam in the second mode of operation.

19. The communication device according to claim 6, wherein each distributed transceiver further comprises a phase shifter corresponding to each antenna in the antenna array of distributed transceiver, the communication device further configured to perform a calibration process to configure the phase shifters of the first and second distributed transceivers to maximize a signal gain at a single direction in the second mode of operation.