정보처리학회논문지C (The KIPS Transactions:PartC)

한국정보처리학회 (Korea Information Processing Society)
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FDMA기반 이동통신 시스템에서 효율적인 동적채널할당 방법

A Method for Efficient Dynamic Channel Assignment in Mobile Communication Systems based FDMA

  • 강기정 (KT IT본부 마케팅정보부장) ;
  • 홍충선 (경희대학교 전자정보학부) ;
  • 이대영 (경희대학교 전자정보학부)
  • 발행 : 2004.04.01
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초록

최근 이동통신 네트워크에서 채널의 수요는 폭발적으로 증가하고 있다. 그렇지만 수요에 맞는 충분한 채널을 제공하기는 힘든 것이 현실이다. 이러한 수요를 충족시키기 위하여는 채널들을 간섭 현상이 없도록 재사용 함으로써 효율적으로 이용할 수 있도록 각 셀의 수요에 맞게 최적으로 할당하는 것이 요구된다. 본 논문의 목적은 이동통신 서비스 지역에 따라 채널 수요에 대한 변화가 불확실하고, 시간에 따라 변화가 심한 이동통신 네트워크에서 각 셀이 채널을 필요로 할 때 필요한 채널 수만큼을 동적으로 빠른 시간에 최적 할당하는 것이다. 이 목적을 달성하기 위하여 휴리스틱 알고리즘(Heuristic Algerian)을 사용하여 채널간의 간섭 정도를 최소화하는 동적 채널 할당방법을 개발하였다.

There is a rapidly growing demand for wireless telecommunication. The restricted number of channels is a significant bottleneck for the capacity of mobile communication systems. Consequently, when assigning the channels to the different base stations, it is desirable to reuse the same channel af much as possible. It is then important to avoid any possible interference between different mobile users, while satisfying the given demand. The objective of this thesis is to develop a hybrid heuristic algorithm to find the channel assignment method for allocating the channels in an efficient way, which does not violate the compatibility constraints. We also show several benchmarking channel assignment problems using proposed channel assignment method for validation in this thesis.

키워드

참고문헌

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피인용 문헌

  1. Channel Allocation Using Mobile Station Network in Reproduction Stage vol.22, pp.5, 2012, https://doi.org/10.5391/JKIIS.2012.22.5.577