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- W2072739812 abstract "Microwave Access(WiMAX)는 20세기 통신 시스템에서 세계적인 정보처리 상호 운용에 매우 효율적인 기술이라 할 수 있다. 이 기술은 광대역 속도의 통신을 케이블 없이 무선으로 제공하며, IEEE 802.16 표준(무선 MAN 이라고도 함)을 기반으로 정의된다. IEEE 802.16e에서 모바일 WiMAX는 GSM, CDMA기술 보다 더 효율적인 기술로 정의된다. 본 논문에서는 WiMAX에 사용되는 4종류의 Modulation(BPSK, QPSK, 2개의 QAM)을 비교하여 통신 시 Cell 영역에 대한 효율성에 대해 연구 하였다. 또한, 시골과 도시와 같은 지역을 위한 Cost 231 모델과 외곽 지역을 위한 모델인 Erceg-Greenstein의 2가지 모델을 적용하였고, 이를 기반으로 Cell 영역에서 주파수, 기지국 안테나의 높이, 전송 전력, SNR 등의 효율성에 대한 연구를 수행하였으며, uplink와 downlink에 대한 실험 결과를 통해 본 논문에서 제기한 WiMAX의 Modulation에 따른 효율을 분석하였다. Worldwide Interoperability for Microwave Access (WiMAX) is an efficient technology for 20th century communication system. The technology provides broadband speed without the need for cables and is based on the IEEE 802.16 standard(also called Wireless MAN). Mobile WiMAX is defined as IEEE802.16e which is advanced and efficient technology for mobile telecommunication rather than GSM, CDMA technology. In this work link budget calculation for WiMAX have been done. Cell range have been calculated over digital modulations and they are BPSK, QPSK and QAM. Here different types of models like Cost 231 model have been used for different types of areas like open, rural and urban areas and Erceg-Greenstein model for sub-urban areas. Effect of various parameters like frequency, base station antenna height, transmission power and SNR over cell range have been studied. Analysis have done for both uplink and downlink." @default.
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- W2072739812 date "2014-02-28" @default.
- W2072739812 modified "2023-09-24" @default.
- W2072739812 title "Analysis of Parameters Effecting MOBILE WiMAX Connectivity" @default.
- W2072739812 doi "https://doi.org/10.12673/jkoni.2014.18.1.84" @default.
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