State prediction process and methodology

Patent metadata

Field	Value
Publication number	US-9425497-B2
Application number	US-201314077128-A
Country	US
Kind code	B2
Filing date	Nov 11, 2013
Priority date	Nov 11, 2012
Publication date	Aug 23, 2016
Grant date	Aug 23, 2016

Abstract

A system and method for optimizing the performance for MIMO are provided, the system including multiple antennas, including at least one modal antenna, wherein each of the at least one modal antenna has multiple modes corresponding to multiple radiation patterns, and a processor coupled to the multiple antennas and configured to select a mode among the multiple modes to optimize signal quality for each time interval based on a CQI by considering envelop correlation effects.

First claim

What is claimed is:

1. A computerized method for selecting an optimum state for a configurable circuit capable of selective configuration about a plurality of potential states, comprising:
providing one or more active modules in the circuit, wherein each of the one or more active modules is adapted to be configured in a plurality of modes; and
selecting a mode among the plurality of modes for each of the one or more active modules to optimize signal quality for each time interval based on a channel quality indicator (CQI);
wherein the selecting during a time interval comprises:
for each of the one or more active modules,
measuring an instantaneous CQI of the selected mode;
obtaining a predicted CQI of each of the plurality of modes; and
obtaining a CQI improvement for each of the plurality of modes;
wherein the CQI improvement is defined as the predicted CQI of each of the plurality of modes minus the predicted CQI of the selected mode;

wherein the selected modes of the one or more active modules collectively define a state of the circuit, and
wherein said circuit in said optimum state is adapted to produce an optimum signal.

2. The method of claim 1 , wherein the selecting during a time interval further comprises:
obtaining a total CQI improvement by considering the CQI improvement for each of the plurality of modes of each of the one or more active modules to select a set of modes for association with the one or more active modules, respectively, the set of modes providing an optimum value of the total CQI improvement.

3. The method of claim 2 , wherein the selecting during a time interval further comprises:
comparing the optimum value of the total CQI improvement to a predetermined threshold; and
configuring the one or more active modules to generate the selected set of modes, respectively, if the optimum value of the total CQI improvement is larger than the predetermined threshold.

4. The method of claim 1 , further comprising:
storing data associated with characterizations of said modules in a lookup table,
wherein the selecting utilizes information from the lookup table.

5. The method of claim 1 , wherein said CQI is selected from the group consisting of: signal-to-noise ratio (SNR), signal to interference-plus-noise ratio (SINR), receive signal strength indicator (RSSI), and bit error rate (BER).

6. The method of claim 1 , wherein the selecting is performed by a processor being adapted to send control signals to each of the active modules for reconfiguring a mode thereof.

7. The method of claim 6 , wherein said processor comprises a baseband processor.

8. The method of claim 6 , wherein said processor comprises an applications processor.

9. The method of claim 1 , wherein each of said active modules are individually selected from: a modal antenna, an active filter block, an active matching circuit, and an active amplifier module.

10. The method of claim 1 utilized to process signals in a multi-port transceiver prior to signal filtering.

11. The method of claim 1 utilized to process signals in a multi-port transceiver after signal filtering.

12. The method of claim 1 utilized to process signals in a multi-port transceiver prior to signal amplification.

13. The method of claim 1 utilized to process signals in a multi-port transceiver after signal amplification.

14. A configurable circuit capable of reconfiguration about a plurality of potential states, comprising:
one or more active modules, wherein each of the one or more active modules is adapted to be configured in a plurality of modes;
a processor adapted to communicate control signals to each of the one or more active modules;
said processor configured to select a mode among the plurality of modes of each of the one or more active modules to optimize signal quality for each time interval based on a channel quality indicator (CQI),
wherein the processor is further configured to:
measure an instantaneous CQI of the selected mode,
obtain a predicted CQI of each of the plurality of modes, and
obtain a CQI improvement for each of the plurality of modes,

wherein the CQI improvement is defined as the predicted CQI of each of the plurality of modes minus the predicted CQI of the selected mode; and

wherein a selected mode for each of said active modules is configured by said processor by communicating said control signals to said active modules.

15. The circuit of claim 14 , wherein the processor is further configured to obtain a total CQI improvement by considering the individual CQI improvement for each of the plurality of modes of each of the one or more active modules to select a set of modes associated with the one or more active modules, respectively, the set providing an optimum value of the total CQI improvement.

16. The circuit of claim 14 , wherein the processor is further configured to compare the optimum value of the total CQI improvement to a predetermined threshold, wherein if the optimum value of the total CQI improvement is larger than the predetermined threshold, the processor configures the one or more active modules to have the selected set of modes, respectively.

17. The circuit of claim 14 , further comprising:
a lookup table coupled to the processor, the lookup table including entities associated with active module characterizations, which are measured or calculated in advance and stored in the lookup table;
wherein the processor obtains information from the lookup table.

18. The circuit of claim 17 , wherein the entities in the lookup table are dynamically adjusted based on CQI measurements.

19. The circuit of claim 14 , wherein each of said active modules are individually selected from: a modal antenna, an active filter block, an active matching circuit, and an active amplifier module.

20. The circuit of claim 14 , wherein said CQI is selected from the group consisting of: signal-to-noise ratio (SNR), signal to interference-plus-noise ratio (SINR), receive signal strength indicator (RSSI), and bit error rate (BER).

21. The circuit of claim 14 , wherein said processor comprises a baseband processor.

22. The circuit of claim 14 , wherein said processor comprises an applications processor.

23. A computerized method for selecting an optimum state for a configurable circuit capable of selective configuration about a plurality of potential states, comprising:
receiving a plurality of signals communicated to a processor, said signals originating from one or more passive or active modules within the configurable circuit;
analyzing each of said plurality of signals to determine signal quality based on a channel quality indicator (CQI);
determining an optimum signal of the plurality of signals based on said CQI;
configuring the circuit to output said optimum signal;
wherein said circuit is in the optimum state when configured to output said optimum signal;
further characterized in that:
said determining an optimum signal comprises:
comparing a first signal with each of the remaining signals of said plurality of signals to determine a CQI improvement for each of the remaining signals, wherein the CQI improvement is defined as a difference between the CQI of a signal of the remaining signals minus the CQI of the first signal;
if at least one of said remaining signals has a positive CQI improvement when compared to the first signal, selecting the optimum signal of the remaining signals for output, wherein the optimum signal comprises the gre

Assignees

• Ethertronics Inc

Inventors

• Pajona Olivier
• Rowson Sebastian
• Desclos Laurent

Classifications

• H01Q19/28

  using a secondary device in the form of two or more substantially straight conductive elements (log- periodic antennas H01Q11/10; constituting a reflecting surface H01Q19/10) · CPC title

• H01Q1/243 Primary

  with built-in antennas · CPC title

• H04B7/0413

  MIMO systems · CPC title

• H04B7/10

  Polarisation diversity; Directional diversity · CPC title

• H04L5/0057 Primary

  Physical resource allocation for CQI · CPC title