本文選題：5G + 高頻段�。� 參考：《南京理工大學(xué)》2017年碩士論文

【摘要】：隨著無線移動(dòng)通信的快速發(fā)展,未來移動(dòng)數(shù)據(jù)量將會(huì)呈現(xiàn)爆炸式增長,現(xiàn)有的3G/4G移動(dòng)通信系統(tǒng)難以應(yīng)對(duì)這種需求,第五代移動(dòng)通信系統(tǒng)(5G)研究在近年內(nèi)開始如火如荼地展開。由于傳統(tǒng)移動(dòng)蜂窩頻段的頻譜資源面臨嚴(yán)重短缺的局面,對(duì)于高頻段的開發(fā)與利用顯得至關(guān)重要,被越來越多的研究者視為5G通信技術(shù)的重點(diǎn)之一。無線信道的測(cè)量和建模對(duì)通信系統(tǒng)設(shè)計(jì)至關(guān)重要。本文從未來5G的需求出發(fā),以無線電波傳播理論為背景,參考國內(nèi)外高頻段研究成果,將理論分析和實(shí)際測(cè)量相結(jié)合,對(duì)高頻段無線信道傳播特性展開了相應(yīng)的研究工作。查閱了電磁波傳播機(jī)制和無線信道傳播特性等相關(guān)理論知識(shí),調(diào)研了國內(nèi)外高頻段相關(guān)研究成果,學(xué)習(xí)了無線信道建模的相關(guān)知識(shí),參考了國內(nèi)外搭建的無線信道測(cè)量平臺(tái),自主搭建了一套基于14.8GHz的無線信道自動(dòng)化測(cè)量采集平臺(tái),采用基于PN序列的時(shí)域測(cè)量系統(tǒng),開展了室外校園環(huán)境,室內(nèi)多媒體教室環(huán)境和室內(nèi)走廊環(huán)境無線信道測(cè)量工作,對(duì)測(cè)量數(shù)據(jù)的處理采用基于floating intercept模型的滑動(dòng)相關(guān)算法,應(yīng)用最小二乘法建立了距離與路徑損耗之間的相互關(guān)系,并計(jì)算獲得了不同場(chǎng)景中的路徑損耗指數(shù)和陰影衰落,由此分析了傳播信號(hào)的大尺度特性,完成了多場(chǎng)景的無線信道建模。實(shí)驗(yàn)測(cè)量結(jié)果表明,14.8GHz頻段具有良好傳播特性,在未來5G通信中具有較為顯著的應(yīng)用前景。
[Abstract]:With the rapid development of wireless mobile communication, the amount of mobile data will increase explosively in the future. The existing 3G/4G mobile communication system can not cope with this demand. The research of the fifth generation mobile communication system (5G) began to be carried out in full swing in recent years. Because of the serious shortage of the spectrum resources in the traditional mobile cellular band, it is very important for the development and utilization of the high frequency band. It is regarded as one of the key points of 5G communication technology by more and more researchers. The measurement and modeling of wireless channel is very important to the design of communication system. In this paper, based on the requirement of 5G in the future, based on the theory of radio wave propagation, and referring to the research results of high frequency band at home and abroad, combining theoretical analysis with practical measurement, the corresponding research work on the characteristics of wireless channel propagation in high frequency band is carried out. The related theoretical knowledge of electromagnetic wave propagation mechanism and wireless channel propagation characteristics are consulted, the related research results of high frequency band at home and abroad are investigated, the relevant knowledge of wireless channel modeling is studied, and the wireless channel measurement platform built at home and abroad is referred to. A wireless channel automatic measurement acquisition platform based on 14.8GHz is built, and the wireless channel measurement work is carried out in the outdoor campus environment, the indoor multimedia classroom environment and the indoor corridor environment by using the time domain measurement system based on PN sequence. A sliding correlation algorithm based on floating intercept model is used to process the measured data. The relationship between distance and path loss is established by using the least square method, and the path loss index and shadow fading in different scenarios are calculated. The large scale characteristics of propagating signal are analyzed, and the wireless channel modeling of multi-scene is completed. The experimental results show that the 14.8 GHz band has good propagation characteristics, and has a more significant application prospect in 5G communication in the future.
【學(xué)位授予單位】：南京理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TN929.5

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本文編號(hào)：1878845