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Codebook Design Method Based on Minimax Optimization for Data Transmission over WCDMA Voice Channel

WCDMA 음성 채널을 통해 데이터를 전송하기 위한 Minimax 최적화 기반의 코드북 설계 방법

Junho Lee1*
,
Jongmok Son1
,
Dong Wook Lee1
,
Yongseok Park1
이 준호1*
,
손 종목1
,
이 동욱1
,
박 용석1
1Electronics and Telecommunication Research Institute
1ETRI부설 국가보안기술연구소
*교신저자. *Corresponding Author. 
31 January 2015. pp. 82-91
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Abstract

In this paper, a novel codebook design method for data modem over voice channel is presented. Proposed method searches the symbols which have the maximum probability distribution overlap in the symbol space and minimizes the overlap to improve the symbol error rate via minimax optimization. We present numerical simulations and an example implementation. We also give the results of the experiment tests.

Keywords
Data communications over voice channel
Data modem
Minimax optimization
Codebook design

본 논문에서는 음성 채널을 통해 데이터를 전송하기 위한 데이터 모뎀의 코드북 설계 방법에 대해 기술하였다. 제안한 코드북 설계 방법은 minimax 최적화 기법을 이용하여 탐색 공간에 분포하는 심볼들 중 최대 중첩을 갖는 심볼들의 중첩을 최소화하도록 하는 방법이다. 제안한 방법에 따라 설계된 코드북을 적용한 데이터 전송 시스템을 제시하였으며, 모의 실험과 실제 이동통신망 적용 실험을 통해 제안한 방법의 성능을 평가하였다.

키워드
음성 채널을 통한 데이터 통신
데이터 모뎀
Minimax 최적화
코드북 설계
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Information
  • Publisher :The Acoustical Society of Korea
  • Publisher(Ko) :한국음향학회
  • Journal Title :The Journal of the Acoustical Society of Korea
  • Journal Title(Ko) :한국음향학회지
  • Volume : 34
  • No :1
  • Pages :82-91
  • Received Date : 2014-09-26
  • Accepted Date : 2014-10-30
  • DOI :https://doi.org/10.7776/ASK.2015.34.1.082
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