Method and system for providing diversity in a network that utilizes distributed transceivers and array processing

• US 9,780,928 B2
• Filed: 05/16/2012
• Issued: 10/03/2017
• Est. Priority Date: 10/17/2011
• Status: Active Grant

• Current Assignee: Golba LLC
• Original Assignee: Golba LLC
• Inventors: Moshfeghi, Mehran
• Primary Examiner(s): Chakraborty, Raj
• Application Number:
  US13/473,160
• Publication Number:
  US 20130095874A1
• Time in Patent Office: 1,966 Days
• Field of Search: 455509, 4555621
• CPC Class Codes: H04B 1/40 Circuits
• CPC Class Codes: H04B 1/401 for selecting or indicating operating mode
• 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 7/0408 using two or more beams, i.e. beam diversity
• CPC Class Codes: H04B 7/0413 MIMO systems
• CPC Class Codes: H04B 7/043 using best eigenmode, e.g. beam forming or beam steering
• CPC Class Codes: H04B 7/0689 using different transmission schemes, at least one of them being a diversity transmission scheme
• CPC Class Codes: H04B 7/0897 using beamforming per multi-path, e.g. to cope with different directions of arrival [DOA] at different multi-paths
• CPC Class Codes: H04L 27/12 Modulator circuits; Transmitter circuits
• CPC Class Codes: H04L 5/0032 Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
• CPC Class Codes: H04W 24/08 Testing, supervising or monitoring using real traffic
• CPC Class Codes: H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/046 the resource being in the space domain, e.g. beams
• CPC Class Codes: H04W 72/0473 the resource being transmission power
• CPC Class Codes: H04W 72/51 based on terminal or device properties
• CPC Class Codes: H04W 72/54 based on quality criteria
• CPC Class Codes: H04W 72/542 using measured or perceived quality
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]
• CPC Class Codes: H04W 88/02 Terminal devices
• CPC Class Codes: H04W 88/06 : adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
• CPC Class Codes: Y02D 30/70 : in wireless communication networks

Abstract

A communication device that comprises a plurality of distributed transceivers, a central processor and a network management engine may be configured based on one or more diversity modes of operations. The diversity modes of operations may comprise a spatial diversity mode, a frequency diversity mode, and/or a polarization diversity mode. Diversity mode configuration may comprise forming, based on selected diversity mode, a plurality of communication modules from the plurality of distributed transceivers, wherein each of the plurality of communication modules may comprise one or more antennas and/or antenna array elements, and one or more of said plurality of distributed transceivers associated with said one or more antennas and/or antenna array elements. The plurality of communication modules may be utilized to concurrently communicate multiple data streams. The multiple data streams may comprise the same data.

Claims

1. A method, comprising:

in a first device that comprises a plurality of distributed transceivers, each distributed transceiver in the plurality of distributed transceivers of the first device comprising an antenna array comprising a plurality of antennas;

identifying conditions of a propagation environment between the first device and a second device, the second device comprising a set of distributed transceivers, each distributed transceiver in the set of distributed transceivers of the second device comprising an antenna array comprising a plurality of antennas;

based on the conditions of the propagation environment, configuring (i) the antenna arrays of a first set of distributed transceivers in the plurality of distributed transceivers of the first device to generate a first beam pattern to transmit a first data stream to the second device, (ii) the antenna arrays of a second set of distributed transceivers in the plurality of distributed transceivers of the first device to generate a second beam pattern to transmit a second data stream to the second device, and (iii) the antenna arrays of the set of distributed transceivers of the second device to receive said first and second data streams, the first and second data streams comprising a same data content and the first beam pattern different than the second beam pattern to provide a spatial diversity for said data streams;

based on location of one or more reflectors, configuring beamforming settings and antenna arrangement for the antenna arrays of one or more of said first and second sets of distributed transceivers; and

concurrently communicating the first and second data streams via said first and second sets of distributed transceivers using a same carrier frequency.

2. The method according to claim 1 further comprising:

monitoring and tracking changes in said propagation environment conditions that affect said communication of said data streams; and

based on the changes in said propagation environment conditions, switching from providing said spatial diversity to providing a frequency diversity for said data streams using different carrier frequencies for the first and second data streams during said communication.

3. The method according to claim 2 further comprising reconfiguring one or more of said antenna arrays of the first and second sets of distributed transceivers of the first device and the set of distributed transceivers of the second device based on said switching.

4. The method according to claim 2 further comprising switching to providing a polarization diversity for said data streams by using a different antenna polarization for the antenna arrays of the first and second sets of distributed transceivers.

5. The method according to claim 2 further comprising utilizing frequency hopping to optimize frequency spectrum utilization.

6. The method according to claim 1 further comprising:

monitoring and tracking changes in said propagation environment conditions that affect said communication of said data streams; and

changing a configuration of the antenna arrays of the first and second sets of distributed transceivers of the first device and the antenna arrays of the set of distributed transceivers of the second device based on the changes in said propagation environment conditions.

7. The method according to claim 1 further comprising determining connection types and communication protocols that are utilized for establishing one or more links via said first and second sets of distributed transceivers for performing said communication of said data streams.

8. The method according to claim 1 further comprising allocating communication resources to said first and second sets of distributed transceivers for use during said communication of said data streams, wherein at least some of said allocated resources are shared among said first and second sets of distributed transceivers.

9. The method according to claim 1, wherein configuring the antenna arrays of the first and second sets of distributed transceivers of the first device and the antenna arrays of the set of distributed transceivers of the second device is further based on at least one of a quality-of-service (QoS) requirement and a throughput requirement.

10. The method according to claim 1 further comprising:

monitoring and tracking changes in said propagation environment conditions that affect said communication of said data streams; and

based on the changes in said propagation environment conditions, changing a number of transceivers in the first and second sets of distributed transceivers of the first device and the set of distributed transceivers of the second device.

11. The method according to claim 1 further comprising applying channel coding during communication of said first and second data streams to protect communicated data, said channel coding comprising one of (i) applying forward error correction to communicated data, (ii) applying bit interleaving to communicated data, and (iii) using space-time coding.

12. A first device comprising:

a plurality of distributed transceivers, each distributed transceiver in the plurality of distributed transceivers of the first device comprising an antenna array comprising a plurality of antennas, the first device configured to;

identify conditions of a propagation environment between the first device and a second device, the second device comprising a set of distributed transceivers, each distributed transceiver in the set of distributed transceivers of the second device comprising an antenna array comprising a plurality of antennas;

based on the conditions of the propagation environment, configure (i) the antenna arrays of a first set of distributed transceivers in the plurality of distributed transceivers of the first device to generate a first beam pattern to transmit a first data stream to the second device, (ii) the antenna arrays of a second set of distributed transceivers in the plurality of distributed transceivers of the first device to generate a second beam pattern to transmit a second data stream to the second device, and (iii) the antenna arrays of the set of distributed transceivers of the second device to receive said first and second data streams, the first and second data streams comprising a same data content and the first beam pattern different than the second beam pattern to provide a spatial diversity for said data streams;

based on location of one or more reflectors, configure beamforming settings and antenna arrangement for the antenna arrays of one or more of said first and second sets of distributed transceivers; and

concurrently communicate the first and second data streams via said configured first and second sets of distributed transceivers using a same carrier frequency.

13. The device according to claim 12, further configured to:

monitor and track changes in said propagation environment conditions that affect said communication of said data streams; and

based on the changes in said propagation environment conditions, switch from providing said spatial diversity to providing a frequency diversity for said data streams using different carrier frequencies for the first and second data streams during said communication.

14. The device according to claim 13 further configured to reconfigure one or more of said antenna arrays of the first and second sets of distributed transceivers of the first device and the set of distributed transceivers of the second device based on said switching.

15. The device according to claim 13 further configured to switch to providing a polarization diversity for said data streams by using a different antenna polarization for the antenna arrays of the first and second sets of distributed transceivers.

16. The device according to claim 13 further configured to utilize frequency hopping to optimize frequency spectrum utilization.

17. The device according to claim 12 further configured to:

monitor and track changes in said propagation environment conditions that affect said communication of said data streams; and

change a configuration of the antenna arrays of the first and second sets of distributed transceivers of the first device and the antenna arrays of the set of distributed transceivers of the second device based on the changes in said propagation environment.

18. The device according to claim 12 further configured to determine connection types and communication protocols that are utilized for establishing one or more links via said first and second sets of distributed transceivers for performing said communication of said data streams.

19. The device according to claim 18 further configured to allocate communication resources to said first and second sets of distributed transceivers for use during said communication of said data streams, wherein at least some of said allocated resources are shared among said first and second sets of distributed transceivers.

20. The device according to claim 12, wherein configuring the antenna arrays of the first and second sets of distributed transceivers of the first device and the antenna arrays of the set of distributed transceivers of the second device is further based on at least one of a quality-of-service (QoS) requirement and a throughput requirement.

21. The device according to claim 12 further configured to:

monitor and track changes in said propagation environment conditions that affect said communication of said data streams; and

based on the changes in said propagation environment conditions, change a number of transceivers in the first and second sets of distributed transceivers of the first device and the set of distributed transceivers of the second device.

22. The device according to claim 12 further configured to apply channel coding during communication of said first and second data streams to protect communicated data, said channel coding comprising one of (i) applying forward error correction to communicated data, (ii) applying bit interleaving to communicated data, and (iii) using space-time coding.