Computing system with decoding sequence mechanism and method of operation thereof

• US 9,215,017 B2
• Filed: 06/16/2014
• Issued: 12/15/2015
• Est. Priority Date: 06/18/2013
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Kwon, Hyukjoon, Lee, Jungwon, Kang, Inyup
• Primary Examiner(s): Bayard, Emmanuel
• Application Number:
  US14/305,484
• Publication Number:
  US 20140369446A1
• Time in Patent Office: 547 Days
• Field of Search: 375/267, 375340-341, 375346-350
• US Class Current: 1/1
• CPC Class Codes: H04B 17/318 Received signal strength
• CPC Class Codes: H04B 17/345 Interference values signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR] H04B17/336
• CPC Class Codes: H04L 1/005 Iterative decoding, including iteration between signal detection and decoding operation

Abstract

A computing system includes: an inter-device interface configured to receive a receiver signal for representing a serving signal and an interference signal; a communication unit, coupled to the inter-device interface, configured to: dynamically generate a decoding target for decoding of the receiver signal, and decode the receiver signal based on the decoding target for decoding the receiver signal for the serving signal or the interference signal with an interference-aware receiver according to the decoding target.

Claims

1. A computing system comprising:

an inter-device interface configured to receive a receiver signal for representing a serving signal and an interference signal;

a communication unit, coupled to the inter-device interface, configured to;

dynamically generate a decoding target for selecting either the serving signal or the interference signal for processing during an iteration in decoding the receiver signal, and

decode the receiver signal based on the decoding target for targeting the serving signal or the interference signal for the iteration according to the decoding target in decoding the receiver signal with an interference-aware receiver.

2. The system as claimed in claim 1 wherein the communication unit is configured to:

calculate a power measurement for the receiver signal for an initial iteration for decoding the receiver signal; and

generate the decoding target based on the power measurement for decoding the receiver signal for greater of the serving signal or the interference signal according to the power measurement.

3. The system as claimed in claim 1 wherein the communication unit is configured to generate the decoding target based on a ratio-sum or a sum ratio for representing the serving signal, the interference signal, or a combination thereof corresponding to the receiver signal.

4. The system as claimed in claim 1 wherein the communication unit is configured to:

calculate a mutual information based on the receiver signal; and

generate the decoding target based on the mutual information.

5. The system as claimed in claim 1 wherein the communication unit is configured to:

calculate a decoder parameter corresponding to a previous target based on decoding the receiver signal; and

generate the decoding target corresponding to a current target based on the decoder parameter.

6. The system as claimed in claim 1 wherein the communication unit is configured to:

calculate a coding gain based on the receiver signal; and

generate the decoding target between a serving target and an interference target based on the coding gain for decoding the receiver signal for the serving signal with the serving target or for the interference signal with the interference target.

7. The system as claimed in claim 6 wherein the communication unit is configured to:

calculate a mutual information based on the receiver signal;

dynamically calculate a mutual-expectation threshold based on the coding gain; and

generate a current target different from a previous target when the mutual information is above the mutual-expectation threshold.

8. The system as claimed in claim 6 wherein the communication unit is configured to:

calculate a mutual information based on the receiver signal;

dynamically calculate a mutual-minimum threshold based on the coding gain; and

generate a current target different from a previous target when the mutual information is below the mutual-minimum threshold.

9. The system as claimed in claim 6 wherein the communication unit is configured to:

calculate a mutual information based on the receiver signal;

dynamically calculate a mutual-minimum threshold based on the coding gain;

dynamically calculate a mutual-expectation threshold based on the coding gain; and

generate a current target identical to a previous target when the mutual information is between the mutual-minimum threshold and the mutual-expectation threshold.

10. The system as claimed in claim 6 wherein the communication unit includes:

determine a serving scheme based on the receiver signal for representing the serving signal;

determine an interference scheme based on the receiver signal for representing the interference signal; and

generate the decoding target based on the serving scheme and the interference scheme.

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

receiving a receiver signal for representing a serving signal and an interference signal;

dynamically generating a decoding target for selecting either the serving signal or the interference signal for processing during an iteration in decoding the receiver signal; and

decoding the receiver signal based on the decoding target for targeting the serving signal or the interference signal for the iteration according to the decoding target in decoding the receiver signal with an interference-aware receiver.

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

calculating a power measurement for the receiver signal for an initial iteration for decoding the receiver signal; and

wherein;

generating the decoding target includes generating the decoding target based on the power measurement for decoding the receiver signal for greater of the serving signal or the interference signal according to the power measurement.

13. The method as claimed in claim 11 wherein generating the decoding target includes generating the decoding target based on a ratio-sum or a sum ratio for representing the serving signal, the interference signal, or a combination thereof corresponding to the receiver signal.

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

calculating a mutual information based on the receiver signal; and

wherein;

generating the decoding target includes generating the decoding target based on the mutual information.

15. The method as claimed in claim 11 wherein:

decoding the receiver signal includes calculating a decoder parameter corresponding to a previous target based on decoding the receiver signal; and

generating the decoding target includes generating the decoding target corresponding to a current target based on the decoder parameter.

16. A non-transitory computer readable medium including instructions for a computing system comprising:

receiving a receiver signal for representing a serving signal and an interference signal;

dynamically generating a decoding target for selecting either the serving signal or the interference signal for processing during an iteration in decoding the receiver signal; and

decoding the receiver signal based on the decoding target for targeting the serving signal or the interference signal for the iteration according to the decoding target in decoding the receiver signal with an interference-aware receiver.

17. The non-transitory computer readable medium as claimed in claim 16 further comprising:

calculating a power measurement for the receiver signal for an initial iteration for decoding the receiver signal; and

wherein;

generating the decoding target includes generating the decoding target based on the power measurement for decoding the receiver signal for greater of the serving signal or the interference signal according to the power measurement.

18. The non-transitory computer readable medium as claimed in claim 16 wherein generating the decoding target includes generating the decoding target based on a ratio-sum or a sum ratio for representing the serving signal, the interference signal, or a combination thereof corresponding to the receiver signal.

19. The non-transitory computer readable medium as claimed in claim 16 further comprising:

calculating a mutual information based on the receiver signal; and

wherein;

generating the decoding target includes generating the decoding target based on the mutual information.

20. The non-transitory computer readable medium as claimed in claim 16 wherein:

decoding the receiver signal includes calculating a decoder parameter corresponding to a previous target based on decoding the receiver signal; and

generating the decoding target includes generating the decoding target corresponding to a current target based on the decoder parameter.