本文選題：系統(tǒng)內(nèi)干擾 + 系統(tǒng)外干擾��； 參考：《吉林大學(xué)》2017年碩士論文

【摘要】：無線通信業(yè)務(wù)的飛速發(fā)展,數(shù)據(jù)通信業(yè)務(wù)的爆發(fā)式增長,對(duì)無線網(wǎng)絡(luò)覆蓋及其容量提出了更高要求。雖然各大運(yùn)營商已經(jīng)規(guī)劃了各種無線網(wǎng)絡(luò),小區(qū)的覆蓋范圍也不斷減小,但網(wǎng)絡(luò)底噪不斷抬升仍然使干擾問題日益突出,這使得用戶體驗(yàn)不佳,且增加了運(yùn)營商構(gòu)建、優(yōu)化網(wǎng)絡(luò)的負(fù)擔(dān)。因此,提高LTE網(wǎng)絡(luò)的運(yùn)營質(zhì)量,給用戶提供一張純凈的移動(dòng)網(wǎng)絡(luò),成為目前的研究熱點(diǎn)。干擾排查和規(guī)避是極其復(fù)雜的,如何解決干擾也一直困擾著各大運(yùn)營商。本文在對(duì)近年來干擾相關(guān)領(lǐng)域中研究成果進(jìn)行深入研究分析的基礎(chǔ)上,利用現(xiàn)網(wǎng)排查中獲得的經(jīng)驗(yàn),對(duì)干擾排查及降低干擾措施進(jìn)行了研究。對(duì)于系統(tǒng)內(nèi)干擾,結(jié)合工參,尋找干擾源,對(duì)基站逐個(gè)驗(yàn)證,對(duì)齊時(shí)鐘,使之恢復(fù)正常。對(duì)于系統(tǒng)外干擾,借助頻譜儀排查,進(jìn)行干擾定位,之后將干擾進(jìn)行分類,分別進(jìn)行抑制。通過更換天線或跳線,將高段頻點(diǎn)退頻等措施,使得重度干擾小區(qū)數(shù)由占總數(shù)的8.9%得到有效降低。對(duì)于頻段內(nèi)干擾,通過進(jìn)行TDD-LTE軟件升級(jí)、調(diào)整天面或加裝抗濾波器等措施,實(shí)現(xiàn)干擾降低。本文的研究成果可幫助一線工作人員,更快、更準(zhǔn)確、更方便地掌握干擾排查及其規(guī)避方案。對(duì)后續(xù)LTE網(wǎng)絡(luò)干擾的更深層次研究和發(fā)展具有重要的指導(dǎo)意義。
[Abstract]:With the rapid development of wireless communication services and the explosive growth of data communication services, higher requirements for wireless network coverage and capacity are put forward. Although the major operators have planned all kinds of wireless networks and the coverage of the residential area is also decreasing, the problem of interference is still becoming increasingly prominent because of the rising noise in the network, which makes the user experience poor and increases the construction of the operators. The burden of optimizing the network. Therefore, improving the operation quality of LTE network and providing users with a pure mobile network has become a research hotspot. Interference detection and evasion is extremely complex, how to solve the interference has been puzzling the major operators. On the basis of deeply studying and analyzing the research results in the field of interference in recent years, this paper makes use of the experience gained in the current network search to study the interference detection and the measures to reduce the interference. For intra-system interference, we can find the interference source, verify the base station one by one, align the clock, and make it return to normal. For the interference out of the system, the interference location is carried out by means of spectrometer, and then the interference is classified and suppressed separately. By replacing the antenna or jumper, the frequency of the high frequency band can be reduced effectively from 8.9% of the total. For the interference in the frequency band, the interference can be reduced by upgrading the TDD-LTE software, adjusting the sky surface or installing anti-filter. The research results of this paper can help front-line staff to grasp interference detection and avoidance scheme more quickly, more accurately and more conveniently. It has important guiding significance for the further research and development of subsequent LTE network interference.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TN929.5

【相似文獻(xiàn)】

相關(guān)期刊論文 前5條

1 黃旭方;胡修林;唐祖平;覃團(tuán)發(fā);;導(dǎo)航系統(tǒng)中短碼受到系統(tǒng)內(nèi)干擾的分析方法[J];華中科技大學(xué)學(xué)報(bào)(自然科學(xué)版);2009年03期

2 魏芳;;TD-SCDMA系統(tǒng)內(nèi)干擾的排查與解決[J];電信工程技術(shù)與標(biāo)準(zhǔn)化;2008年10期

3 黃旭方;覃團(tuán)發(fā);唐秋玲;;GPS L1頻段上的系統(tǒng)內(nèi)干擾的研究[J];宇航學(xué)報(bào);2010年10期

4 劉，

本文編號(hào)：1845392