本文關(guān)鍵詞：關(guān)于45 GHz毫米波對(duì)矩形阻擋物的繞射研究　出處：《北京郵電大學(xué)學(xué)報(bào)》2017年04期 　論文類型：期刊論文

  更多相關(guān)文章： GHz毫米波 矩形阻擋 繞射模型 衰減特性

【摘要】：基于45 GHz毫米波室內(nèi)通信測(cè)量對(duì)木板、鏡子以及白鐵板的阻擋繞射特性進(jìn)行了研究.根據(jù)阻擋物材料的不同,分別提出三射線和四射線阻擋繞射模型.對(duì)12 mm厚的木板、6 mm厚的鏡子以及0.35 mm厚的白鐵板進(jìn)行了矩形阻擋繞射測(cè)量實(shí)驗(yàn).實(shí)驗(yàn)結(jié)果表明,在矩形木板阻擋下45 GHz毫米波的平均傳輸衰減系數(shù)約為-4.28 d B,其衰減測(cè)量結(jié)果與提出的四射線模型仿真結(jié)果平均誤差為-0.02 d B.在0.35 mm厚的矩形白鐵板阻擋下,45 GHz毫米波的平均傳輸衰減系數(shù)約為-18.2 d B.在鏡子遠(yuǎn)離天線的情況下,面對(duì)發(fā)射天線時(shí)的平均傳輸衰減比背對(duì)發(fā)射天線時(shí)大1~2 d B,而在鏡子靠近天線的情況下,其面對(duì)發(fā)射天線時(shí)測(cè)量的結(jié)果與白鐵板阻擋下的衰減類似.
[Abstract]:Based on 45 GHz millimeter wave indoor communication measurement, the diffraction characteristics of board, mirror and white iron plate are studied. Three ray and four ray diffraction models are proposed for 12 mm thick planks. The rectangular barrier diffraction measurements were carried out in a mirror with a thickness of 6 mm and a white iron plate with a thickness of 0.35 mm. The average propagation attenuation coefficient of 45 GHz millimeter wave is about -4.28 dB under rectangular plank blocking. The average error between the results of attenuation measurement and the simulation results of the proposed four-ray model is -0.02 dB, which is blocked by a rectangular white iron plate with a thickness of 0.35 mm. The average transmission attenuation coefficient of 45 GHz millimeter-wave is about -18.2 dB, when the mirror is far from the antenna. The average transmission attenuation in the face of the transmitting antenna is 1 ~ 2 dB higher than that in the back-pair antenna. When the mirror is close to the antenna, the results measured in the face of the transmitting antenna are similar to the attenuation under the block of white iron plate.
【作者單位】： 華北電力大學(xué)電子與通信工程系;
【基金】：國家自然科學(xué)基金項(xiàng)目(61377088,61501185) 北京市自然科學(xué)基金項(xiàng)目(4164101) 中央高�；究蒲袠I(yè)務(wù)費(fèi)專項(xiàng)資金項(xiàng)目(2015MS101)
【分類號(hào)】：TN928
【正文快照】： 目前移動(dòng)通信有限的頻帶已經(jīng)制約了通信速率的進(jìn)一步提高.尋求新的頻譜資源使蜂窩通信系統(tǒng)的容量在未來十年增長1 000倍[1-2],達(dá)到吉比(Gb)高速數(shù)據(jù)通信的目標(biāo),是下一代移動(dòng)通信要解決的主要問題[3].毫米波頻段有豐富的頻率資源可供開發(fā)利用,其百分之一的相對(duì)帶寬即可提供上千

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本文編號(hào)：1432217