LTE投诉处理基础培训

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1、TDD-LTE关键技术TimeDivisionDuplexingLongTermEvolutionDriticalTechnology黔南移动TDD-LTE现网所使用的频段频率频点号频段指示（BAND）带宽F频段1880-1900MHz（中心频率1890），移频1885.4-1905.438350，移频后384043920MHZE频段2320-2340（中心频率2330）389504020MHZD频段2575-2595MHz379003820MHZ=10*（1895.4-1880）+38250=38404LTE频段划分E-UTRAOp

2、eratingBandUplinkDownlinkDuplexModeFUL_low[MHz]NOffs-ULRangeofNULFUL_high[MHz]FDL_low[MHz]NOffs-DLRangeofNDLFDL_high[MHz]119201800018000–185991980211000–5992170FDD218501860018600–1919919101930600600-11991990FDD317101920019200–199491785180512001200–19491880FDD41710199501

3、9950–203991755211019501950–23992155FDD58242040020400–2064984986924002400–2649894FDD68302065020650–2074984087526502650–2749885FDD725002075020750–214492570262027502750–34492690FDD88802145021450–2179991592534503450–3799960FDD91749.92180021800–221491784.91844.938003800–4149

4、1879.9FDD1017102215022150–227491770211041504150–47492170FDD111427.92275022750–229491452.91475.947504750–49491500.9FDD126982301023010–2317971672850105010–5179746FDD137772318023180–2327978774651805180–5279756FDD147882328023280–2337979875852805280–5379768FDD…17704237302373

5、0–2384971673457305730–5849746FDD188152385023850–2399983086058505850–5999875FDD198302400024000–2414984587560006000–6149890FDD208322415024150-2444986279161506150-6449811FDD211447.92445024450–245991462.91495.964506450–65991510.9FDD…3319003600036000–36199192019003600036000–

6、361991920TDD3420103620036200–36349202520103620036200–363492025TDD3518503635036350–36949191018503635036350–369491910TDD3619303695036950–37549199019303695036950–375491990TDD3719103755037550–37749193019103755037550–377491930TDD3825703775037750–38249262025703775037750–38249

7、2620TDD3918803825038250–38649192018803825038250–386491920TDD4023003865038650–39649240023003865038650–396492400TDDOFDM原理OFDM即正交频分多路复用（OrthogonalFrequencyDivisionMultiplexing），与传统的多载波调制（MCM）相比，OFDM调制的各个子载波间可相互重叠，并且能够保持各个子载波之间的正交性。OFDM原理OFDM的基本原理是将高速的数据流分解为N个并行的低速数据流，在N个子载

8、波上同时进行传输。这些在N子载波上同时传输的数据符号，构成一个OFDM符号。Bandwidth多址方式概述LTE采用OFDMA（正交频分多址：OrthogonalFrequencyDivisionMultipleAcce