Method and system for an adaptive wireless communication system optimized for economic benefit

• US 8,306,574 B2
• Filed: 10/29/2003
• Issued: 11/06/2012
• Est. Priority Date: 10/29/2003
• Status: Active Grant

• Current Assignee: III Holdings 1, LLC
• Original Assignee: The Renda Trust
• Inventors: Warner, Robert, Winters, Jack, Wang, James June-Ming
• Primary Examiner(s): Yun, Eugene
• Application Number:
  US10/695,932
• Publication Number:
  US 20050096058A1
• Time in Patent Office: 3,296 Days
• Field of Search: 455/562.1, 455/63.4, 455/575.7, 455/522, 455/574, 455/127.1, 455/127.5, 455/115.1, 455/279.1, 455/132, 455/133, 455/134, 455/135
• US Class Current: 455/562.1
• CPC Class Codes: H04B 7/0608 Antenna selection according to transmission parameters
• CPC Class Codes: H04B 7/0817 with multiple receivers and antenna path selection
• CPC Class Codes: H04B 7/0854 using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
• CPC Class Codes: H04B 7/0857 using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
• CPC Class Codes: H04B 7/0874 using subgroups of receive antennas
• CPC Class Codes: H04W 24/02 Arrangements for optimising operational condition
• CPC Class Codes: H04W 52/0229 where the received signal is a wanted signal
• CPC Class Codes: H04W 72/02 Selection of wireless resources by user or terminal
• CPC Class Codes: H04W 72/046 the resource being in the space domain, e.g. beams
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

The present invention relates to a method and system for adapting a wireless communication system to support a desired functionality of the wireless communication system at an optimized performance and economic benefit. The desired functionality can be determined by defined criteria such as a maximum range of communication with the wireless communication system, quality of a transmission link in the wireless communication system, capacity of the wireless communication system, power consumption of the wireless communication system, protocols supported in the wireless communication system, modulation techniques used in the wireless communication system and processing techniques for combining signals in the wireless communication system. The system can be adapted by varying one or more of the number of components or processing techniques used in the wireless communication system.

Claims

1. A method for adapting a wireless communication system comprising the steps of:

selecting a desired functionality of said wireless communication system;

determining a reference design having a maximum number of antennas of a transmitter or receiver, a maximum number of RF chains at a transmitter or receiver, maximum power consumption and processing techniques for implementing maximum functionality and said reference design is adapted to support said desired functionality; and

adapting the reference design to support said desired functionality at an optimized economic benefit by turning on or off each of the antennas and the RF chains at the transmitter or receiver in the reference design.

2. The method of claim 1 wherein said desired functionality is defined by criteria selected from one or more of a maximum range of communication with said wireless communication system, quality of a transmission link in said wireless communication system, capacity of said wireless communication system, power consumption of said wireless communication system, protocols supported in said wireless communication system, modulation techniques used in said wireless communication system and processing techniques for combining signals in said wireless communication system.

3. The method of claim 1 wherein in said adapting step said wireless communication system is adapted by adapting a number of antennas used at a transmitter or receiver of said wireless communication system.

4. The method of claim 1 wherein in said adapting step said wireless communication system is adapted by adapting a number of RF chains used at a transmitter or receiver of said wireless communication system.

5. The method of claim 1 wherein in said adapting step said wireless communication system is adapted by including antenna selection diversity used with a determined number of diversity antennas of said wireless communication system.

6. The method of claim 5 wherein said diversity antennas are obtained from one or more of spatial diversity, beam diversity, polarization diversity, angular diversity, and pattern diversity.

7. The method of claim 1 wherein in said adapting step said wireless communication is adapted by adapting power consumption of said wireless communication system.

8. The method of claim 7 wherein said power consumption is adapted by one or more of adapting a number of antennas used at a transmitter or receiver of said wireless communication system, adapting a number of RF chains used at a transmitter or receiver of said wireless communication system or selection of a power control algorithm.

9. The method of claim 1 wherein in said adapting step said wireless communication is adapted by selection of processing techniques for processing signals of one or more of the antennas used at a transmitter or receiver of said wireless communication system.

10. The method of claim 9 wherein said processing techniques are selected from one or more of maximal ratio combining (MRC), equal-gain combining, and minimum mean square error (MMSE) combining.

11. The method of claim 1 wherein in said adapting step said optimized economic benefit is determined by the steps of:

a. determining performance and cost of the adapted wireless communication system;

b. determining if said determined performance and cost satisfy the desired functionality; and

c. repeating said adapting step and steps a and b until said determined performance and cost satisfy the desired functionality.

12. A system for adapting a wireless communication system comprising:

means for selecting a desired functionality of said wireless communication system;

means for determining a reference design having a maximum number of antennas of a transmitter or receiver, a maximum number of RF chains at a transmitter or receiver, maximum power consumption and processing techniques for implementing maximum functionality and said reference design is adapted to support said desired functionality; and

means for adapting the reference design to support said desired functionality at an optimized economic benefit by turning on or off each of the antennas and the RF chains at the transmitter or receiver in the reference design.

13. The system of claim 12 wherein said desired functionality is defined by criteria selected from one or more of a maximum range of communication with said wireless communication system, quality of a transmission link in said wireless communication system, capacity said wireless communication system, power consumption of the wireless communication system, protocols supported in the wireless communication system, modulation techniques used in the wireless communication system and processing techniques for combining signals in the wireless communication system.

14. The system of claim 12 wherein said mean for adapting said wireless communication system further comprises:

means for adapting a number of antennas used at a transmitter or receiver of said wireless communication system.

15. The system of claim 12 wherein said means for adapting said wireless communication system further comprises:

means for adapting a number of RF chains used at a transmitter or receiver of said wireless communication system.

16. The system of claim 12 wherein said means for adapting said wireless communication system further comprises antenna selection diversity used with a determined number of diversity antennas of said wireless communication system.

17. The system of claim 16 wherein said diversity antennas are obtained from one or more of spatial diversity, beam diversity, polarization diversity, angular diversity, and pattern diversity.

18. The system of claim 12 wherein said means for adapting said wireless communication system further comprises:

means for adapting power consumption of said wireless communication system.

19. The system of claim 18 wherein said power consumption is adapted by one or more of adapting a number of antennas used at a transmitter or receiver of said wireless communication system, adapting a number of RF chains used at a transmitter or receiver of said wireless communication system or selection of a power control algorithm.

20. The system of claim 12 wherein said means for adapting said wireless communication system comprises selection of processing techniques for processing signals of one or more of the antennas used at a transmitter or receiver of said wireless communication system.

21. The system of claim 20 wherein said processing techniques are selected from one or more of maximal ratio combining (MRC), equal-gain combining, and minimum mean square error (MMSE) combining.

22. The system of claim 12 wherein in said means for adapting said wireless communication system said optimized economic benefit is determined by:

means for determining performance and cost of the adapted wireless communication system;

means for determining if said determined performance and cost satisfy the desired functionality; and

means for repeating said adapting means until said determined performance and cost satisfy the desired functionality.

23. A system for adapting a wireless communication system comprising:

a reference design for implementing maximum functionality and adaptable to support a desired functionality of said wireless communication system, comprising;

a maximum number of antennas;

a maximum number of RF chains each receiving a signal from one of said antennas, said RF chains processing said signal to generate a RF output signal;

processing means for processing said RF output signal with one or more processing techniques to provide signal output; and

means for optimizing performance of said wireless communication system determined from said signal output and optimizing cost by adapting said reference design to support said desired functionality of said wireless communication system at an optimized economic benefit through selectively turning on or off each of said antennas, said RF chains and said processing techniques in the reference design.

24. The system of claim 23 further comprising select RF chain means for dynamically selecting one or more of said RF chains to be used in said adapted wireless network.

25. The system of claim 24 wherein said select RF chain means selects said one or more RF chains based on power consumption of said defined functionality.

26. The system of claim 24 wherein said select RF chain means selects said RF chain having the highest receive signal power.

27. The system of claim 23 further comprising select diversity means for selecting said plurality of antennas.

28. The system of claim 27 wherein said diversity comprises selection of said plurality of antennas for use in said system.

29. The system of claim 27 wherein said diversity comprises combining of said plurality of antennas with processing techniques selected from one or more of maximal ratio combining (MRC), equal-gain combining, and minimum mean square error (MMSE) combining.

30. The system of claim 27 wherein said diversity comprises antenna diversity obtained from said antennas using one or more of spatial diversity, beam diversity, polarization diversity, angular diversity, pattern diversity.