COMMUNICATION SYSTEM WITH REPEAT-RESPONSE COMBINING MECHANISM AND METHOD OF OPERATION THEREOF

• US 20130343271A1
• Filed: 06/03/2013
• Published: 12/26/2013
• Est. Priority Date: 06/22/2012
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Lee, Jungwon, Kang, Inyup, El-Khamy, Mostafa
• Granted Patent: US 9,954,643 B2
• Time in Patent Office: Days
• US Class Current: 370/328
• CPC Class Codes: H04L 1/004 by using forward error control H04L1/0618 takes precedence; coding, decoding or code conversion, for error detection or correction H03M13/00
• CPC Class Codes: H04L 1/1845 Combining techniques, e.g. code combining

Abstract

A communication system includes: a validation module configured to transmit a repeat request corresponding to a preceding data including a communication content; an inter-block processing module, coupled to the validation module, configured to determine a previous communication value based on the preceding data; a detection module, coupled to the inter-block processing module, configured to identify a repeat data corresponding to the repeat request from a receiver signal; an accumulator module, coupled to the detection module, configured to generate an accumulation output based on the preceding data and the repeat data; and a decoding module, coupled to the accumulator module, configured to determine the communication content using the previous communication value and the accumulation output across instances of transmission blocks for communicating with a device.

Claims

1. A communication system comprising:

a validation module configured to transmit a repeat request corresponding to a preceding data including a communication content;

an inter-block processing module, coupled to the validation module, configured to determine a previous communication value based on the preceding data;

a detection module, coupled to the inter-block processing module, configured to identify a repeat data corresponding to the repeat request from a receiver signal;

an accumulator module, coupled to the detection module, configured to generate an accumulation output based on the preceding data and the repeat data; and

a decoding module, coupled to the accumulator module, configured to determine the communication content using the previous communication value and the accumulation output across instances of transmission blocks for communicating with a device.

2. The system as claimed in claim 1 wherein:

the inter-block processing module includes a decoder inter-block module configured to generate a previous inner-decoder value based on a further-decoder extrinsic value corresponding to the preceding data; and

the decoding module includes a base decoder module configured to determine a base-decoder a-priori value corresponding to the repeat data based on the previous inner-decoder value.

3. The system as claimed in claim 1 wherein:

the decoding module is configured to calculate a decoding output corresponding to the preceding data;

the inter-block processing module includes a decoder inter-block module configured to determine a previous overall-decoding value based on the decoding output; and

further comprising;

an adjustment module, coupled to the detection module, configured to calculate a detector extrinsic value corresponding to the repeat data based on the previous overall-decoding value for determining the communication content by combining the preceding data and the repeat data.

4. The system as claimed in claim 1 wherein:

the decoding module is configured to calculate a decoding output corresponding to the preceding data;

the inter-block processing module includes a decoder inter-block module configured to determine a previous overall-decoding value based on the decoding output; and

the detection module is configured to determine a detector output corresponding to the repeat data based on the previous overall-decoding value.

5. The system as claimed in claim 1 wherein:

the detection module is configured to generate a preceding detection result based on receiving the preceding data and a repeat detection result corresponding to the repeat data; and

further comprising;

a modification module, coupled to the detection module, configured to generate a puncturing output based on the preceding detection result for combining the puncturing output and the repeat detection result with the accumulator module.

6. The system as claimed in claim 1 wherein the detection module is configured to generate a repeat detection result based on a preceding detection result corresponding to receiving the preceding data.

7. The system as claimed in claim 1 wherein:

the detection module is configured to generate a preceding detection result based on receiving the preceding data;

the decoding module is configured to calculate a decoding output corresponding to the preceding data;

the inter-block processing module includes a decoder inter-block module configured to determine a previous overall-decoding value based on the decoding output; and

further comprising;

a modification module, coupled to the detection module, configured to generate a puncturing output based on the preceding detection result and the previous overall-decoding value for combining the puncturing output and the repeat detection result with the accumulator module.

8. The system as claimed in claim 1 wherein:

the detection module is configured to generate a preceding detection result based on receiving the preceding data and to generate a repeat detection result for the repeat data based on the preceding detection result and a previous overall-decoding value;

the decoding module is configured to calculate a decoding output corresponding to the preceding data; and

the inter-block processing module includes a decoder inter-block module configured to determine the previous overall-decoding value based on the decoding output for generating the repeat detection result.

9. The system as claimed in claim 1 wherein the decoding module is configured to determine the communication content for a single-input single-output scheme, a multiple-input multiple-output scheme, or a combination thereof.

10. The system as claimed in claim 1 wherein the decoding module is configured to determine the communication content using an iterative-detective-decoding scheme.

11. A method of operation of a communication system comprising:

transmitting a repeat request corresponding to a preceding data including a communication content;

determining a previous communication value with a control unit based on the preceding data;

identifying a repeat data corresponding to the repeat request from a receiver signal;

generating an accumulation output based on the preceding data and the repeat data; and

determining the communication content using the previous communication value and the accumulation output across instances of transmission blocks for communicating with a device.

12. The method as claimed in claim 11 wherein:

determining the previous communication value includes generating a previous inner-decoder value based on a further-decoder extrinsic value corresponding to the preceding data; and

determining the communication content includes determining a base-decoder a-priori value corresponding to the repeat data based on the previous inner-decoder value.

13. The method as claimed in claim 11 wherein:

determining the previous communication value includes;

calculating a decoding output corresponding to the preceding data,

determining a previous overall-decoding value based on the decoding output; and

further comprising;

calculating a detector extrinsic value corresponding to the repeat data based on the previous overall-decoding value for determining the communication content by combining the preceding data and the repeat data.

14. The method as claimed in claim 11 wherein:

determining the previous communication value includes;

calculating a decoding output corresponding to the preceding data,

determining a previous overall-decoding value based on the decoding output; and

identifying the repeat data includes determining a detector output corresponding to the repeat data based on the previous overall-decoding value.

15. The method as claimed in claim 11 further comprising:

generating a preceding detection result based on receiving the preceding data;

wherein;

identifying the repeat data includes generating a repeat detection result corresponding to the repeat data;

generating the accumulation output includes;

generating a puncturing output based on the preceding detection result, and

combining the puncturing output and the repeat detection result.

16. The method as claimed in claim 11 further comprising:

generating a preceding detection result based on receiving the preceding data; and

wherein;

identifying the repeat data includes generating a repeat detection result based on the preceding detection result.

17. The method as claimed in claim 11 further comprising:

generating a preceding detection result based on receiving the preceding data;

wherein;

determining the previous communication value includes;

calculating a decoding output corresponding to the preceding data,

determining a previous overall-decoding value based on the decoding output;

generating the accumulation output includes;

generating a puncturing output based on the preceding detection result and the previous overall-decoding value, and

combining the puncturing output and the repeat detection result.

18. The method as claimed in claim 11 further comprising:

generating a preceding detection result based on receiving the preceding data;

wherein;

determining the previous communication value includes;

calculating a decoding output corresponding to the preceding data,

determining a previous overall-decoding value based on the decoding output; and

identifying the repeat data includes generating a repeat detection result for the repeat data based on the preceding detection result and the previous overall-decoding value.

19. The method as claimed in claim 11 wherein determining the communication content includes determining the communication content for a single-input single-output scheme, a multiple-input multiple-output scheme, or a combination thereof.

20. The method as claimed in claim 11 wherein determining the communication content includes determining the communication content using an iterative-detective-decoding scheme.