畢業(yè)設(shè)計(jì)（論文）4g網(wǎng)絡(luò)通信新技術(shù)研究

1、4G網(wǎng)絡(luò)通信新技術(shù)研究I4G4G網(wǎng)絡(luò)新技術(shù)研究網(wǎng)絡(luò)新技術(shù)研究摘要摘要摘要：通信技術(shù)日新月異，給人們帶來(lái)不少享受。隨著數(shù)據(jù)通信與多媒體業(yè)務(wù)需求的發(fā)展，適應(yīng)移動(dòng)數(shù)據(jù)、在我們還沒(méi)有完全享受3G移動(dòng)通信系統(tǒng)商所帶來(lái)服務(wù)的同時(shí)4G移動(dòng)通信技術(shù)的研究已經(jīng)在逐步的進(jìn)行著。本文簡(jiǎn)要分析了:(1)4G的網(wǎng)絡(luò)結(jié)構(gòu)(2)4G的關(guān)鍵技術(shù)如OFDM軟件無(wú)線(xiàn)電智能天線(xiàn)技術(shù)MIMO技術(shù)。(3)比較了3G和4G不同指標(biāo)分析了3G和4G采用的不同技術(shù)。(4)初步探討了4

2、G的現(xiàn)狀和發(fā)展。關(guān)鍵詞：4G，網(wǎng)絡(luò)通信4G網(wǎng)絡(luò)通信新技術(shù)研究III目錄目錄摘要..................................................................I目錄................................................................III前言...........................................

3、.......................1第一章4G網(wǎng)絡(luò)結(jié)構(gòu).....................................................21.1三層網(wǎng)絡(luò)結(jié)構(gòu)........................................................21.2物理層.............................................................

4、.2第二章4G網(wǎng)絡(luò)中的關(guān)鍵技術(shù)............................................42.1OFDM................................................................42.2軟件無(wú)線(xiàn)電..........................................................42.3智能天線(xiàn)技術(shù)(SA)........

5、............................................42.4多輸入多輸出(MIMO)技術(shù)..............................................52.5基于IP的核心網(wǎng).....................................................5第三章3G與4G的比較...................................

6、..............63.1核心閱讀............................................................63.2技術(shù)指標(biāo)方面........................................................63.3技術(shù)方面............................................................73.4

7、速度方面............................................................73.54G是什么...........................................................83.64G會(huì)采用什么標(biāo)準(zhǔn)...................................................93.74G手機(jī)怎么樣.............

8、.........................................103.8公眾何時(shí)能用上4G...................................................113.94G會(huì)取代3G嗎.....................................................11第四章5大4G標(biāo)準(zhǔn).....................................

9、.............144.1LTE................................................................144.2LTEAdvanced.......................................................144.3WiMax......................................................

10、........154.4HSPA：高速下行鏈路分組接入技術(shù)....................................164.5WirelessMANAdvanced...............................................16第五章、4G的發(fā)展展望................................................185.1顯著的差異............

11、.............................................185.2無(wú)線(xiàn)寬帶，一插即行.................................................185.3其它市場(chǎng)...........................................................195.4我國(guó)的4G的發(fā)展...............................