Electronics and Telecommunications Trends (전자통신동향분석)

Electronics and Telecommunications Research Institute (한국전자통신연구원)
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Research Trends on Limitless Connections in Wireless Transmission and Access Technologies

한계 없는 무선통신 실현을 위한 기술 동향

  • Published : 2019.02.01
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Abstract

The capacity of wireless communications has been considered to be restricted by their fundamental limits, which were first formulated by Shannon in 1948. These limits are for the communication environment that is composed of a transmitter and receiver pair. However, there are usually more than one simultaneously communicating pairs in the environment. In such cases, the capacity is not known. Moreover, performance requirements have been diversified with the development of technology. We believe that wireless communication technologies will eventually progress toward limitless connections. Various wireless transmission and access technologies are introduced in order to overcome their limitations.

Keywords

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(그림 1) 직교 와 비-직교 다중화 방식의 time 및 frequency 자원 분배 방식 차이

HJTOCM_2019_v34n1_61_f0002.png 이미지

(그림 2) 비-직교 다중화 방식의 신호 검출을 위한 반복적 간섭 제거 방식 block diagram

<표 1> IEEE 802.15.3d의 주요 규격

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