淡江大學機構典藏:Item 987654321/120865
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    题名: Proposed Model for Performance Analysis of Fourth-generation Mobile Wireless Communication System
    作者: Li, Weihua;Lee, Yang-Han;Chen, Yi-Lun;Tseng, Hsien-Wei;Yang, Cheng-Fu
    关键词: IEEE 802.16m;long term evolution (LTE);channel model;orthogonal frequency division multiple access (OFDMA)
    日期: 2021-04-14
    上传时间: 2021-06-11 12:14:16 (UTC+8)
    出版者: M Y U * Scientific Publishing Division
    摘要: Both long term evolution (LTE) and IEEE 802.16m technologies have the advantages of a high transmission rate and wide transmission bandwidth, and they play essential roles in modern mobile wireless communication systems. The information transmission processes between mobile users and base stations inevitably involve some propagation losses. The losses include shadow fading loss due to blocking by buildings and obstacles and the Doppler effect caused by the relative motion of base stations and mobile users, and these effects result in signal fading at the receiver terminals. To maintain good system performance and service quality, the selection of a suitable modulation format is necessary when wireless signals are transmitted. Different traffic services have their own requirements of service quality. On the basis of the specifications of the IEEE 802.16m and LTE systems, we study their performance when the system parameters are varied. The system parameters include the system bandwidth, the transmitting powers of the base station and mobile, the antenna heights, the orthogonal frequency division multiplexing (OFDM) parameters, and the system load. We also analyze the system performances of the system bit error rate and block error rate (BER) due to the effects of path loss and noise.
    關聯: Sensors and Materials 33(4), p.1375-1385
    DOI: 10.18494/SAM.2021.3175
    显示于类别:[電機工程學系暨研究所] 期刊論文

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