DIGITAL INTEGRATED ANTENNA ARRAY FOR ENHANCING COVERAGE AND CAPACITY OF A WIRELESS NETWORK

• US 20110150050A1
• Filed: 12/23/2009
• Published: 06/23/2011
• Est. Priority Date: 12/23/2009
• Status: Abandoned Application

• Current Assignee: Viavi Solutions, Inc. (Lumentum Holdings Inc.)
• Original Assignee: Viavi Solutions, Inc. (Lumentum Holdings Inc.)
• Inventors: TRIGUI, Hafedh, Cuthill, Richard Duncan
• Application Number:
  US12/645,966
• Publication Number:
  US 20110150050A1
• Time in Patent Office: Days
• US Class Current: 375/219
• CPC Class Codes: H04B 17/12 of transmit antennas, e.g. of the amplitude or phase
• CPC Class Codes: H04B 7/0617 for beam forming
• CPC Class Codes: H04B 7/086 using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming

Abstract

An embodiment of the invention relates to a digital integrated antenna array system having one or more antenna modules, one or more transceiver modules each having one or more signal processing paths for transmitting data to or receiving data from the one or more antenna modules, a signal processing unit able to process data for each the one or more signal processing paths of the one or more transceiver modules such that the data transmitted from the one or more transceiver modules to the one or more antenna modules is radiated by the one or more antenna modules into one or more radiation patterns.

Claims

1. A digital integrated antenna array system comprising:

one or more antenna modules;

one or more transceiver modules each having one or more signal processing paths for transmitting data to or receiving data from said one or more antenna modules; and

a signal processing unit operable to process data for each of said one or more signal processing paths of said one or more transceiver modules such that the data transmitted from said one or more transceiver modules to the one or more antenna modules is radiated by said one or more antenna modules into one or more radiation patterns.

2. The digital integrated antenna array system of claim 1, wherein said one or more antenna modules each include columns or groups of passive antenna elements combined passively to achieve a predefined pattern.

3. The digital integrated antenna array system of claim 1, wherein the signal processing unit includes:

one or more digital interface modules operable to receive from one or more communication devices data to be transmitted to said one or more antenna modules, or to transmit to the one or more communication devices data that is received by said one or more antenna modules;

an frequency translation module operable to;

(1) receive from said one or more digital interface modules the data to be transmitted, perform frequency translation on the data to be transmitted, and transmit the data to be transmitted to said one or more transceiver module;

or to

(2) receive from said one or more transceiver modules the received data, perform frequency translation on the received data, and transmit the received data to said one or more digital interface modules;

a beamforming module operable to apply beamforming weights to said one or more signal processing paths of said one or more transceiver modules; and

a dynamic calibration module operable to dynamically calibrate said one or more signal processing paths of said one or more transceiver modules by applying calibration weights to said one or more signal processing paths of said one or more transceiver modules.

4. The digital integrated antenna array system of claim 1, wherein each of the one or more transceiver modules includes one or more power amplifiers for transmitting the data to said one or more antenna modules.

5. The digital integrated antenna array system of claim 4, further comprising:

a power allocation module operable to equally allocate power to each of said power amplifiers of said one or more transceiver modules.

6. The digital integrated antenna array system of claim 4, further comprising:

a power allocation module operable to dynamically allocate power to each of said power amplifiers of said one or more transceiver modules such that the sum of the power allocated to each of said power amplifiers is equal to the total power allocated to all of said power amplifiers.

7. The digital integrated antenna array system of claim 4, further comprising:

a power allocation module operable to dynamically allocate power to each of said power amplifiers of said one or more transceiver modules such that each of the one or more radiation patterns radiated by said one or more antenna modules has the same EIRP.

8. The digital integrated antenna system of claim 7, wherein said power allocation unit is further operable to dynamically allocate power to each of said power amplifiers of said one or more transceiver modules such that the sum of the power allocated to each of said power amplifiers is equal to the total power allocated to all of said power amplifiers.

9. The digital integrated antenna array system of claim 3, wherein the one or more communication devices are further operable to transmit to said one or more digital interfaces, the beamforming weights used by said beamforming module.

10. The digital integrated antenna array system of claim 3, wherein server based software transmits to one of said one or more digital interfaces, the beamforming weights used by said beamforming module.

11. The digital integrated antenna array system of claim 1, wherein multiple operators provide data to be transmitted by said one or more transceivers to said one or more antenna modules and radiated by said one or more antenna modules in the one or more radiation patterns such that each operator provides data to be radiated in one or more radiation patterns, and one or more radiation patterns for one of the multiple operators overlaps one or more radiation patterns for another of the multiple operators.

12. The digital integrated antenna array system of claim 1, wherein the one or more radiation patterns are set according to a predetermined schedule.

13. The digital integrated antenna array system of claim 1, wherein the one or more radiation patterns are dynamically optimized in real-time.

14. The digital integrated antenna array system of claim 1, wherein the one or more radiation patterns are inputted by a user.

15. The digital integrated antenna array system of claim 4, further comprising:

an operation and maintenance module for collecting information relating to failure of said one or more transceiver devices or critical operating conditions of said one or more transceiver devices, and

wherein based on the information collected by said operation and maintenance module, said power allocation unit dynamically allocates power to each of said power amplifiers of said one or more transceiver modules, except each of said power amplifiers of said failed or critical operating transceivers, such that each of the one or more radiation patterns radiated by said one or more antenna modules has the same EIRP.

16. The digital integrated antenna array system of claim 15, wherein said power allocation unit is further operable to dynamically allocate power to each of said power amplifiers of said one or more transceiver modules, except each of said power amplifiers of said failed or critical operating transceivers, such that the sum of the power allocated to each of said power amplifiers, except each of said power amplifiers of said failed or critical operating transceivers, is equal to the total power allocated to all of said power amplifiers.

17. The digital integrated antenna array system of claim 4, further comprising:

an operation and maintenance module for collecting information relating to failure of said one or more transceiver devices or critical operating conditions of said one or more transceiver devices, and

wherein based on the information collected by said operation and maintenance module, said power allocation unit dynamically allocates power to each of said power amplifiers of said one or more transceiver modules, except each of said power amplifiers of said failed or critical operating transceivers, such that said power equally allocated to each of said power amplifiers of said one or more transceiver modules, except each of said power amplifiers of said failed or critical operating transceivers.

18. The digital integrated antenna array system of claim 4, further comprising:

an operation and maintenance module for collecting information relating to failure of said one or more transceiver devices or critical operating conditions of said one or more transceiver devices, and

wherein based on the information collected by said operation and maintenance module, said power allocation unit dynamically allocates power to each of said power amplifiers of said one or more transceiver modules, except each of said power amplifiers of said failed or critical operating transceivers, such that the sum of the power allocated to each of said power amplifiers, except each of said power amplifiers of the failed or critical operating transceivers, is equal to the total power allocated to all of said power amplifiers.

19. The digital integrated antenna array system of claim 1, wherein said one or more transceiver modules are configured for use in an n×

n MIMO communication system, in which n is an integer.

20. The digital integrated antenna array system of claim 1, wherein said one or more transceiver modules are configured for use in a mixed MIMO and SISO communication system having multiple operators, such that at least one of the operators employs a MIMO communication system and at least one of the operators employs a SISO communication system.

21. The digital integrated antenna array system of claim 4, wherein a number of said one or more power amplifiers is equal to a number of said one or more signal processing paths for transmitting data.

22. A computer readable medium having a program recorded thereon that when executed by a computer causes the computer to control the digital integrated antenna array system of claim 1 via a method of controlling said one or more antenna modules, said method comprising:

providing one or more coverage areas for one or more service providers,

wherein the one or more coverage areas are provided according to a billing package subscribed to by the one or more service providers.