convolutional code coding gain

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convolutional code coding gain

Convolutional codes differ from block codes in that the encoder contains memory and the n ... a branch gain Xi ,where i is the weight of the n encoded bits on that branch. ... the best code have been obtained using a random coding approach. ,4.9 Coding Gain. 4.10 Punctured Convolutional Codes. 4.10.1 Rate R=(n-1)/n Punctured Convolutional Code. 4.10.2 Rate-Compatible Punctured Convolutional ... ,The performance of a punctured convolutional code generally scales well with the amount of parity transmitted. The ability to perform economical soft decision ... ,Codes. Convolutional Code Performance. Peter Mathys. University of Colorado. Spring 2007. Peter Mathys. ECEN 5682 Theory and Practice of Error Control ... ,the coding rate and the constraint length. – Longer constraint length K. • More powerful code. • More coding gain. – Coding gain: the measure in the difference ... ,length convolutional codes used in conjunction with Viterbi decoding in the Visual ... constraint length 7 code provides a coding gain of 5 dB over uncoded. ,Coding gain versus constraint length K of convolutional codes used for Viterbi decoding. (A) BER = 10−4; (B) BER = 10−6. As for the code rate, the codes with higher code rate based on the punctured coding are expected to be widely utilized. ,Intro to coding and convolutional codes ... Omit some of the coded bits ... No gain when compared to uncoded PAM2, but that is o.k. in this case since differential ... ,117 Page 2 118 CHAPTER 9. INTRODUCTION TO CONVOLUTIONAL CODES where the nominal coding gain is γc(C) = Rdfree, R is the code rate in input bits per output bit, and Kb(C) is the number of minimum-weight code sequences per input bit. ,6. Coding Alternatives. • More traditional approaches can offer code gains similar to LDPC. • Concatenated block + convolutional codes widely used.

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convolutional code coding gain 相關參考資料
Chapter10 Convolutional Codes

Convolutional codes differ from block codes in that the encoder contains memory and the n ... a branch gain Xi ,where i is the weight of the n encoded bits on that branch. ... the best code have been ...

http://wits.ice.nsysu.edu.tw

Convolutional Code - NCTU - MAPL

4.9 Coding Gain. 4.10 Punctured Convolutional Codes. 4.10.1 Rate R=(n-1)/n Punctured Convolutional Code. 4.10.2 Rate-Compatible Punctured Convolutional ...

http://mapl.nctu.edu.tw

Convolutional code - Wikipedia

The performance of a punctured convolutional code generally scales well with the amount of parity transmitted. The ability to perform economical soft decision ...

https://en.wikipedia.org

Convolutional Code Performance

Codes. Convolutional Code Performance. Peter Mathys. University of Colorado. Spring 2007. Peter Mathys. ECEN 5682 Theory and Practice of Error Control ...

http://ecee.colorado.edu

Convolutional codes - HKU

the coding rate and the constraint length. – Longer constraint length K. • More powerful code. • More coding gain. – Coding gain: the measure in the difference ...

https://www.eee.hku.hk

convolutional codes in vss - AWR

length convolutional codes used in conjunction with Viterbi decoding in the Visual ... constraint length 7 code provides a coding gain of 5 dB over uncoded.

https://awrcorp.com

Convolutional Coding - an overview | ScienceDirect Topics

Coding gain versus constraint length K of convolutional codes used for Viterbi decoding. (A) BER = 10−4; (B) BER = 10−6. As for the code rate, the codes with higher code rate based on the punctured co...

https://www.sciencedirect.com

Intro to coding and convolutional codes - MIT OpenCourseWare

Intro to coding and convolutional codes ... Omit some of the coded bits ... No gain when compared to uncoded PAM2, but that is o.k. in this case since differential ...

https://ocw.mit.edu

Introduction to convolutional codes

117 Page 2 118 CHAPTER 9. INTRODUCTION TO CONVOLUTIONAL CODES where the nominal coding gain is γc(C) = Rdfree, R is the code rate in input bits per output bit, and Kb(C) is the number of minimum-weigh...

https://ocw.mit.edu

Shedding Some Light on Coding Gain

6. Coding Alternatives. • More traditional approaches can offer code gains similar to LDPC. • Concatenated block + convolutional codes widely used.

http://www.ieee802.org