LTE無(wú)線城市應(yīng)用及關(guān)鍵技術(shù)探討

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摘要
從歐洲“Mobile city”的移動(dòng)城市概念的提出到瑞典斯德哥爾摩的”mCity”項(xiàng)目的啟動(dòng)，從韓國(guó)美國(guó)制定無(wú)線城市發(fā)展計(jì)劃到大規(guī)模進(jìn)行無(wú)線接網(wǎng)，有本世紀(jì)初開(kāi)始的無(wú)線城市藍(lán)圖越描繪越美好，世界興起了建設(shè)無(wú)線城市的熱潮，無(wú)線城市就是利用多種無(wú)線接入技術(shù)，為整個(gè)城市提供隨時(shí)隨地隨需的無(wú)線網(wǎng)絡(luò)接入。
本文對(duì)LTE無(wú)線城市的核心技術(shù)OFDM，關(guān)鍵技術(shù)MIMO，對(duì)其定義，原理，使用技術(shù)，優(yōu)缺點(diǎn)，以及應(yīng)用范圍進(jìn)行詳細(xì)的研究及探討，無(wú)線城市的主要應(yīng)用視頻監(jiān)控，智能家居，智慧旅游等各自使用的LTE技術(shù)，以及這些應(yīng)用給人們生活帶來(lái)了哪些便利。
之前無(wú)線城市主要使用WiFi、WiMax、3G 和Mesh 組網(wǎng)技術(shù)，而現(xiàn)在隨著4G牌照的發(fā)放，意味著4G時(shí)代的到來(lái)，而LTE旨在提高數(shù)據(jù)傳輸速率，降低系統(tǒng)時(shí)延，增大系統(tǒng)容量等。因此本文探討目前4G的技術(shù)主流標(biāo)準(zhǔn)LTE在無(wú)線城市中的作用是很有必要的，目前很多無(wú)線城市試點(diǎn)都是使用的LTE技術(shù)為標(biāo)準(zhǔn)的無(wú)線城市體驗(yàn)，本文對(duì)其進(jìn)行探討研究，其在試點(diǎn)中的收效如何，為4G在無(wú)線城市中的全面使用提供理論基礎(chǔ)。

關(guān)鍵詞：無(wú)線城市 LTE OFDM MIMO 4G


Application and Key Technology of LTE Wireless City
Abstract
From the proposed European "Mobile city" concept to the city to start moving in Stockholm, Sweden "mCity" project, the development of wireless urban development plans to the United States from South Korea conducted large-scale wireless access networks, wireless city blueprint beginning of this century depicting the more the more beautiful, the rise of the world's wireless city construction boom, the city is using a variety of wireless radio access technology, provides wireless network anytime, anywhere on-demand access to the entire city.
In this paper, the core technology of LTE OFDM wireless city, the key technology MIMO, its definition, principles, use of technology, advantages and disadvantages, as well as the scope of application a detailed study and discussion, the main city of the wireless video surveillance applications, smart home, smart tourism each using the LTE technology.
Prior to the city's main use of wireless WiFi, WiMax, 3G and Mesh networking technology, and now with 4G licenses issued, meaning that the arrival of 4G era, while LTE is designed to improve data transfer rates, reduce system latency, increasing system capacity and so on. Therefore, the current paper discusses the role of technology in the mainstream standard LTE 4G wireless cities is necessary, LTE wireless technology is a lot of pilot cities are used as the standard for wireless city experience, this paper discusses its research, and its pilot how effective in providing a theoretical basis for the full use of 4G wireless city.
Keywords: Wireless City LTE OFDM MIMO 4G


目錄
第一章 緒論 4
1.1 引言 4
1.2 無(wú)線城市概述 5
1.3論文結(jié)構(gòu)及內(nèi)容安排 8
第二章LTE的論述 9
2.1引言 9
2.2 LTE無(wú)線幀結(jié)構(gòu)支持的FDD模式 9
2.3 LTE無(wú)線幀結(jié)構(gòu)支持的TDD模式 10
2.4 TDD與FDD的優(yōu)缺點(diǎn) 12
2.5 本章小結(jié) 13
第三章 無(wú)線城市關(guān)鍵技術(shù) 14
3.1 引言 14
3.2 LTE無(wú)線城市的核心技術(shù)OFDM 14
3.3 LTE無(wú)線城市的關(guān)鍵技術(shù)MIMO 23
3.4 本章小結(jié) 30
第四章 無(wú)線城市的主要應(yīng)用 31
4.1 引言 31
4.2無(wú)線城市的典型應(yīng)用—視頻監(jiān)控 31
4.3無(wú)線城市的典型應(yīng)用—智能家居 33
4.4無(wú)線城市的典型應(yīng)用—智慧旅游 35
4.5本章小結(jié) 36
第五章 全文總結(jié) 37
5.1 本文的主要內(nèi)容和貢獻(xiàn) 37
5.2 對(duì)下一步工作的建議和未來(lái)研究方向 37
致謝 39
參考文獻(xiàn) 40