State prediction process and methodology

• US 10,122,516 B2
• Filed: 07/13/2016
• Issued: 11/06/2018
• Est. Priority Date: 11/11/2012
• Status: Active Grant

• Current Assignee: Kyocera AVX Components Corporation (Kyocera Corporation)
• Original Assignee: Ethertronics, Inc. (Kyocera Corporation)
• Inventors: Pajona, Olivier, Rowson, Sebastian, Desclos, Laurent
• Primary Examiner(s): Akinyemi, Ajibola
• Application Number:
  US15/209,644
• Publication Number:
  US 20160323085A1
• Time in Patent Office: 846 Days
• Field of Search: 455 634
• CPC Class Codes: H01Q 1/243 with built-in antennas
• CPC Class Codes: H01Q 19/28 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 Class Codes: H01Q 3/44 varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
• CPC Class Codes: H04B 17/318 Received signal strength
• CPC Class Codes: H04B 7/0413 MIMO systems
• CPC Class Codes: H04B 7/0689 using different transmission schemes, at least one of them being a diversity transmission scheme
• CPC Class Codes: H04B 7/10 Polarisation diversity; Directional diversity
• CPC Class Codes: H04L 5/0057 Physical resource allocation for CQI

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.

Claims

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 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;

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 based on the predicted CQI of each of the plurality of modes minus the predicted CQI of the selected mode.

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 1, 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); 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;

wherein during a time interval, for each of the one or more active modules, the processor is 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 based on the predicted CQI of each of the plurality of modes minus the predicted CQI of the selected mode.

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.