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1、LTE網規(guī)網優(yōu)基礎知識問答匯總-MadebyUNREGISTEREDversionofEasyCHMLTE網規(guī)網優(yōu)基礎知識問答匯總-MadebyUNREGISTEREDversionofEasyCHMTableofContents1.LTE網規(guī)網優(yōu)FAQ_基本概念篇...................................................................................................41.1為什么要從3G向LTE演進......
2、........................................................................................41.2LTE扁平網絡架構是什么...................................................................................................41.3相對于3G來說LTE采用了哪些關鍵技術.............................
3、..........................................51.4OFDM基本原理...................................................................................................................71.5單用戶MIMO和多用戶MIMO的區(qū)別................................................................
4、............81.6LTE上行為什么要采用SC-FDMA技術............................................................................91.7為什么說OFDM技術容易和MIMO技術結合................................................................91.8LTEFDD和TDD幀結構是什么..................................
5、....................................................101.9LTE中RB、RE及子載波概念.........................................................................................111.10LTE中CP概念及作用.............................................................................
6、.......................111.11LTE支持的帶寬及表示方式...........................................................................................121.12衡量LTE覆蓋和信號質量基本測量量是什么.............................................................132.LTE網規(guī)網優(yōu)FAQ_物理層篇................
7、.....................................................................................142.1LTE有哪些上行和下行物理信道及物理信道和物理信號的區(qū)別..................................142.2LTE中同步信號的作用及結構是什么.............................................................................142.
8、3下行參考信號RS的基本概念.........................................................................................152.4物理廣播信道PBCH的基本概念....................................................................................162.5LTE
