lte知識內容題庫

題目,參考答案,選擇A,選擇B,選擇C,選擇D,,,

"DC子載波指的是（）

",C,"小區(qū)號

","天線配置

","OFDM信道的中心

",數(shù)據(jù)信道的格式,,,

"在MIMO模式，哪個因素對數(shù)據(jù)流量影響最大（）

",C,"天線尺寸

","天線高度

","發(fā)射和接收端的最小天線數(shù)目

",天線型號,,,

"以下對于LTE功率控制描述正確的是（）

",D,"功率控制通過調整發(fā)射功率，使業(yè)務質量剛好滿足BLER(BlockErrorRate)要求，避免功率浪費

","LTE干擾主要來自同頻鄰區(qū)，功率控制可減小對鄰區(qū)的干擾

","上行功率控制可以有效減少UE電源消耗

",以上都正確,,,

"網絡中相鄰小區(qū)存在PCImod3沖突，那些指標會變差（）

",B,"RSRP

","RS-SINR

","RSSI

",PCI,,,

"TD-LTE系統(tǒng)中，以下哪項可以認為測試無線環(huán)境為好點（）

",B,"RSRP=-90dB，SINR=11

","RSRP=-95dB，SINR=17

","RSRP=-85dB，SINR=3

",RSRP=-75dB，SINR=25,,,

"LTE為了解決深度覆蓋的問題，以下哪些措施是不可取的（）

",A,"增加LTE系統(tǒng)帶寬

","降低LTE工作頻點，采用低頻段組網

","采用分層組網

",采用家庭基站等新型設備,,,

"關于TD-LTE小區(qū)搜索，以下描述錯誤的是（）

",B,"小區(qū)搜索過程是UE和小區(qū)取得時間和頻率同步，并檢測小區(qū)ID的過程

","PSS位于DwPTS的第二個符號

","SSS位于5ms第一個子幀的最后一個符號

",根據(jù)PBCH的內容可以得到系統(tǒng)幀號和帶寬信息,,,

"在TD-LTE中，應用層速率，PDCP層速率，MAC層速率，物理層速率，哪個值最大（）

",D,"應用層速率

","PDCP層速率

","MAC層速率

",物理層速率,,,

"DL-SCH和UL-SCH使用哪種編碼方式（）

",B,"1/3卷積碼

","1/3turbo碼

","可變長編碼

",1/3重復編碼,,,

"發(fā)射模式（TM）中，下面哪一項的說法是正確的（）

",D,"TM2為單天線端口傳輸，主要應用于單天線傳輸?shù)膱鼍?/p>

","TM3發(fā)送分集模式，適合于小區(qū)邊緣信道情況比較復雜的場景

","TM4適合外場高速移動的場景

",TM5MU-MIMO傳輸模式主要用來提高小區(qū)的容量,,,

"TD-LTE路測指標中的掉線率指標表述不正確的是（）

",D,"掉線率=掉線次數(shù)/成功完成連接建立次數(shù)

","掉線指在終端正常進行數(shù)據(jù)傳送過程中數(shù)據(jù)傳送發(fā)生異常中斷，包括RRC連接異常中斷或數(shù)據(jù)速率降為0并持續(xù)一定時間。

","掉線率指業(yè)務進行過程中發(fā)生業(yè)務異常中斷的概率，即異常中斷的次數(shù)與總業(yè)務進行次數(shù)之比。

",掉線是指在手機沒主發(fā)Disconnect信令或沒收到網絡下發(fā)Disconnect/Release信令情況下，手機回到idle狀態(tài)，則視為一次掉話。,,,

"控制平面RRC協(xié)議數(shù)據(jù)的加解密和完整性保護功能，在LTE中交由（）層完成

",D,"RLC

","MAC

","PHY

",PDCP,,,

"尋呼由網絡向什么狀態(tài)下的UE發(fā)起（）

",C,"僅空閑態(tài)

","僅連接態(tài)

","空閑態(tài)或連接態(tài)都可以

",以上說法都不對,,,

"關于空閑態(tài)小區(qū)重選對現(xiàn)有2/3G網絡及用戶體驗的影響，下面說法錯誤的是（）

",C,"需軟件升級LTE覆蓋區(qū)內所有2/3G現(xiàn)網無線設備，小區(qū)廣播中支持LTE鄰區(qū):重選優(yōu)先級等新參數(shù)的配置

","需軟件升級LTE覆蓋區(qū)內所有SGSN以識別LTE多模終端并將其路由至LTE網絡

","執(zhí)行重選時對用戶撥打電話沒有影響

",頻繁重選導致終端耗電增加，待機時間縮短,,,

"以下哪個LTE天線方案僅支持單流（）

",A,"8天線TM7Beamforming

","8天線2x2MIMO

","4x2MIMO

",AdaptiveMIMO/BF,,,

"TM7的應用場景是（）

",C,"主要應用于單天線傳輸?shù)膱龊?/p>

","主要用來提高小區(qū)的容量

","單流Beamforing，主要針對小區(qū)邊緣，能夠有效對抗干擾

",適合于小區(qū)邊緣信道情況比較復雜，干擾較大的情況，有時候也用于高速的情況,,,

"發(fā)射模式（TM）中，下面哪一項的說法是錯誤的（）

",D,"TM1是單天線端口傳輸：主要應用于單天線傳輸?shù)膱龊?/p>

","TM2適合于小區(qū)邊緣信道情況比較復雜，干擾較大的情況，有時候也用于高速的情況

","TM3是大延遲分集：合適于終端（UE）高速移動的情況

",TM4是Rank1的傳輸：主要適合于小區(qū)邊緣的情況,,,

"以下幾種站間切換中，要求必須使用同一MME的切換類型是（）

",C,"S1切換

","LTE&UMTS切換

","X2切換

",LTE&GERAN切換,,,

"E-UTRAN支持在多個小區(qū)間的移動和切換，系統(tǒng)在（）的高速場景下能夠實現(xiàn)較高的性能。

",D,"0~15km/h

","500Km/h

","120~350km/h

",15~120km/h,,,

"發(fā)射模式（TM）中，下面哪一項的說法是正確的（）

",C,"TM3常用于室分的場合

","TM3需要8通道智能天線才能實現(xiàn)

","TM7能提高終端在小區(qū)邊緣的表現(xiàn)

",TM4適合與外場高速移動的場合,,,

"哪個信道用來指示PDCCH所用的符號數(shù)目（）

",D,"PHICH

","PDCCH

","PBCH

",PCFICH,,,

"為什么用符號末端部分復制為循環(huán)前綴（）

",A,"保證時域信號周期連續(xù)

","保證循環(huán)數(shù)目為整數(shù)

","減小峰均比

",增加有用符號時長,,,

"以下PCI規(guī)劃原則中哪一個是不對的（）

",D,"同一個小區(qū)的所有鄰區(qū)中不能有相同的PCI

","相鄰的兩個小區(qū)PCI不能相同

","鄰小區(qū)CRS盡量在頻域上分開

",同頻鄰小區(qū)PCI無需考慮MOD3或MOD6的限制，任意分配即可,,,

"影響TD-LTE小區(qū)間干擾的因素不包括（）

",D,"小區(qū)頻率

","PSSID

","SSSID

",TA,,,

"RRC連接建立成功次統(tǒng)計觸發(fā)的信令是（）

",C,"RRCconnectionsetup

","RRCconnectionrequest

","RRCconnectionsetupcomplete

","RRCconnectionreconfigurationcomplete

",,,

"同頻小區(qū)重選參數(shù)cellReselectionPriority通過哪條系統(tǒng)消息廣播（）

",B,"系統(tǒng)消息1

","系統(tǒng)消息3

","系統(tǒng)消息5

",系統(tǒng)消息2,,,

"以下哪個參數(shù)不用于異系統(tǒng)小區(qū)重選控制（）

",A,"sIntraSearch

","sNonintraSearch

","ThreshXHigh

",ThreshXLow,,,

"以下哪個參數(shù)用于切換控制（）

",C,"sIntraSearch

","sNonintraSearch

","eventA3Offset

",ThreshXLow,,,

"下行PDCCH和PHICH的映射范圍由（）信道決定

",A,"PCFICH

","PRACH

","PDCCH

",PDSCH,,,

"以下說法正確的是（）

",C,"如果采用TD-LTE系統(tǒng)組網，必須采用8天線規(guī)模建網，2天線不能獨立建網

",一個時隙中，頻域上連續(xù)的寬度為150kHz的物理資源稱為一個資源塊,"縮小宏站的覆蓋距離，不一定能提升覆蓋性能

",鏈路預算的覆蓋半徑是由中心用戶速率要求確定的,,,

"TDLTE的A5事件的measurementPurpose設置為（）時，則LTE到GSM的切換使用A5

",B,"Mobility-Intra-Freq

","Mobility-Inter-RAT-to-GERAN

","Mobility-Inter-Freq-to-EUTRA

",Mobility-Inter-RAT-to-UTRA,,,

"TDLTE的基站使用2天線，則參數(shù)transmissionMode不能設置為（）

",D,"TM2

","TM3

","TM4

",TM7,,,

"TDLTE小區(qū)中，以下參數(shù)（）是TM3和TM8的轉換門限

",C,"dlSinrThresholdBetweenCLMimoTwoLayersAndOneLayer

","dlSINRThresholdbetweenRank1BeamformingAndTM3

","dlSINRThresholdbetweenRank2BeamformingAndTM3

",rankThresholdBetweenRank1AndRank2,,,

"TDLTE小區(qū)頻帶20MHZ，numberRBnotForSIB=82，則SIB4可能占用（）RB

",C,"82

","100

","18

",48,,,

"TDLTE定義SIB2和3屬于Class1，SIB4到8屬于Class2，sibClass2TargetPeriodicity為rf64，則以下SIB6的周期是（）ms

",B,"64

","640

","128

",1280,,,

"TDLTE中，以下（）是下行FSS調度可用的條件

",C,"fdsOnly=True

","QCI=1

","UE步行

",只報告寬帶CQI,,,

"在（）情況下，SFBC具有一定的分集增益，F(xiàn)STD帶來頻率選擇增益，這有助于降低其所需的解調門限，從而提高覆蓋性能

",B,"單天線端口

","傳輸分集

","MU-MIMO

",閉環(huán)空間復用,,,

"SIB1沒有攜帶下列哪些信息（）

",D,PLMN,"TAC

","小區(qū)ID

",切換參數(shù),,,

"UE的能力等級信息可以在哪條消息中讀取（）

",A,"InitialUEContextSetupRequest

","RRCCONNECTIONRECONFIGURATION

","CONNECTIONSETUPRECONFIGURATIONCOMPELTE

",MIB,,,

"LTE的測量報告中，（）表示表示服務小區(qū)信號質量高于一定門限，eNodeB停止異頻/異系統(tǒng)測量。

",A,EventA1,EventA2,EventA3,EventA4,,,

"哪種RLC模式的業(yè)務時延最?。ǎ?/p>

",C,"AcknowledgedMode(AM)

","UnacknowledgedMode(UM)

","TransparentMode(TM)

",LowLatencyMode(LM),,,

"室分2PATH20M帶寬TD-LTE每PATH10W發(fā)射，并PA=-3，PB=1則CRS_EPRE為（）

",B,"9.2dBm

","12.2dBm

","13dBm

",15.2dBm,,,

"ATTACHREQUEST，ATTACHACCEPT分別包含于哪條空口RRC消息內（）

",C,"RRCCONNECTIONREQUEST，RRCCONNECTIONSETUP

","RRCCONNECTIONSETUP，RRCCONNECTIONSETUPCOMPELTE

","RRCCONNECTIONSETUPCOMPELTE，RRCCONNECTIONRECONFIGURATION

",RRCCONNECTIONRECONFIGURATION，RRCCONNECTIONSETUPRECONFIGURATIONCOMPELTE,,,

"關于切換過程描敘正確的是（）

",B,"切換過程中，收到源小區(qū)發(fā)來的RRCCONNECTIONRECONFIGURATION，UE在源小區(qū)發(fā)送RRCCONNECTIONSETUPRECONFIGURATIONCOMPELTE

","切換過程中，收到源小區(qū)發(fā)來的RRCCONNECTIONRECONFIGURATION，UE在目標小區(qū)隨機接入后并在目標小區(qū)上送RRCCONNECTIONSETUPRECONFIGURATIONCOMPELTE

","切換過程中，收到源小區(qū)發(fā)來的RRCCONNECTIONRECONFIGURATION，UE無需隨機接入過程，直接在目標小區(qū)上送RRCCONNECTIONSETUPRECONFIGURATIONCOMPELTE

",切換過程中，UE在目標隨機接入后收到目標小區(qū)發(fā)來的RRCCONNECTIONRECONFIGURATION后在目標小區(qū)上送RRCCONNECTIONSETUPRECONFIGURATIONCOMPELTE,,,

"TAC/TAU過程描敘正確的是（）

",D,"TAU只能在IDLE模式下發(fā)起，TAU分為普通TAU和周期性TAU

","TAU過程一定要先進行隨機接入，TAC內所有小區(qū)的PAGING數(shù)量是一樣的

","TAU是NAS層的過程，TAU過程不要先進行隨機接入

",TAC是MME對UE移動性管理的區(qū)域，TAU可以在IDLE或CONNECT模式下發(fā)起,,,

"PRACH采用（）時可以在UpPTS中發(fā)射

",D,"format1

","format2

","format3

",format4,,,

"以下哪個場景可以使用非競爭接入（）

",D,"IDLE態(tài)初始接入

","無線鏈路失敗后初始接入

","連接態(tài)上行失步后發(fā)送上行數(shù)據(jù)

",小區(qū)切換,,,636

"TD-LTE中，判斷上行基站側接收信號強度情況，以及是否處于小區(qū)覆蓋邊緣主要通過（）

",D,"CRS-SINR

","MCS調度值

","DLMACBLER

",路徑損耗pathloss,,,569

"TD-LTE中，TM8雙流波束賦形模式相比較與TM3模式的速率優(yōu)勢體現(xiàn)于（）

",B,"高SINR的情形

","中低SINR的情形

",所有SINR的情形,,,,581

"在TD-LTE上下行配置1中，如果特殊子幀使用配置7的話，那么下行Cat4UE可以達到的極限速率為（）

",B,"100Mbps

","80Mbps

","65Mbps

",50Mbps,,,624

"LTE中，RLC層接收端將接收到的RLCPDU重組并排序，生成RLCSDU，然后用（）方式將RLCSDU轉發(fā)到上層

",A,"In-sequenceDelivery

","nonIn-sequenceDelivery

","通過高層信令配置為In-sequenceDelivery

",通過高層信令配置為In-sequenceDelivery或nonIn-sequenceDelivery,,,

"TDLTE的UE的小區(qū)重選的參數(shù)中，屬于鄰區(qū)關系參數(shù)的是（）

",D,"qHyst

","sintraSearch

","threshServingLow

",qOffsetCell,,,

"以下（）TDLTE的業(yè)務類型，其macMIMOModeDl必須設置為mimoTwoLayersNotAllowed

",A,"QCI1

","QCI9

","QCI8

",QCI2,,,

"中國移動2013年開始大規(guī)模部署的4G網絡屬于哪種制式（）

",A,"TD-LTE

","LTE-FDD

","WCDMA

",GSM,,,

"以下說法錯誤的是（）

",D,"TD-LTE相比3G具有更低的接入時延

","TD-LTE采用扁平化的網絡結構

","TD-LTE可以采用同頻組網

",TD-LTE產業(yè)鏈進展嚴重滯后于FDD-LTE,,,

"LTE產業(yè)鏈包括環(huán)節(jié)（）

",D,"系統(tǒng)設備和終端芯片

","系統(tǒng)設備和業(yè)務

","系統(tǒng)設備、終端芯片和業(yè)務

",系統(tǒng)設備、終端芯片、儀器儀表和業(yè)務,,,

"2012年10月中國政府首次正式公布了TDD頻譜規(guī)劃方案，宣布將2.6G頻段共（）MHz規(guī)劃為TDD。

",B,"50

","190

","100

",140,,,

"Nanocell是（）提出的。

",A,"中國移動

","中國聯(lián)通

","中國電信

",中國廣電,,,

"Nanocell與Smallcell的區(qū)別是（）

",C,"Nanocell用于廣覆蓋，SmallCell用于熱點地區(qū)

","Nanocell僅用于LTE，可使用無線資源做回傳，且不需要專用網關

","Nanocell是smallcell的一種，它融合了WIFI，使用普通網線做回傳，但需要專用網關配合使用

",Nanocell與Smallcell無區(qū)別,,,

"中國移動2013年4G網絡工程無線建設頻率規(guī)劃（）

",C,"F和E用于室外，D用于室內

","F和A用于室外，E用于室內

","F和D用于室外，E用于室內

",F和D用于室外，A用于室內,,,

"以下哪個不屬于GTI組織的創(chuàng)立者（）

",D,"中國移動

","沃達豐

","軟銀移動

",英國電信,,,

"簡單地說，CSFB方案的本質是什么（）

",C,"在LTE網絡下，利用VOIP承載語音

","在LTE網絡下，利用OTT（如微信）承載語音

",在LTE網絡下，回落到2G/3G網絡，利用2G/3G網絡承載語音,,,,

"為了支持GTL的CSFB，需要在MME和MSC之間增加什么接口（）

",A,"SGs接口

","S1-U接口

",S1-MME接口,,,,

"OFDM的英文全稱是（）

",A,"OrthogonalFrequencyDivisionMultiplexing

","OutstandingFrequencyDivisionMultiplexing

","OverwhelmingFrequencyDivisionMultiplexing

",OrthogonalFrequencyDivisionModulation,,,

"以下哪個不屬于TD-LTE網絡使用的無線頻段（）

",D,F頻段,"D頻段

","E頻段

",A頻段,,,

"TD-LTE網絡在發(fā)展用戶時最可能采用的策略是（）

",A,"要換卡、不登記、不換號

","不換卡、不登記、不換號

","要換卡、要登記、要換號

",不換卡、要登記、要換號,,,

"TD-LTE技術標準是以下哪個標準化組織制定的（）

",B,"IEEE

","3GPP

","ITU

",ANSI,,,

"TD-LTE技術能夠提供的理論最高下載速率在什么速率級別（）

",A,"百兆比特/每秒

","兆比特/每秒

","比特/每秒

",吉比特/每秒,,,

"TD-LTE中的MIMO技術英文全稱是（）

",B,"MaximumInputMinimumOutput

","MultipleInputMultipleOutput

","MultipleInputMaximumOutput

",MaximumInputMultipleOutput,,,

"LTE與Wifi相比較下列說法錯誤的是（）

",D,"LTE是移動通信技術，用戶能夠在快速連續(xù)移動中保持高速數(shù)據(jù)傳輸

","Wifi屬于游牧通信技術，對快速大范圍移動用戶較難做到無縫連續(xù)接入

","LTE是3GPP標準化組織制定的通信標準

",Wifi是3GPP標準化組織制定的通信標準,,,

"WLAN與LTE哪個速度快（）

",C,"WLAN

","LTE

",不絕對，分場景和用戶使用地點。,,,,

"使用TD-LTE的手機終端用戶可以使用（）

",C,"只有數(shù)據(jù)業(yè)務

","只有語音業(yè)務

",數(shù)據(jù)、語音皆可,,,,

"使用4G的終端用戶能夠獲得的好處是（）

",D,"更高的數(shù)據(jù)業(yè)務速率

","更加順暢的上網瀏覽

","使得視頻通話成為可能

",以上皆是,,,

"MiFi與用戶終端的通信連接技術是（）

",C,"TD-LTE

","TD-SCDMA

","Wi-Fi

",藍牙,,,

"相對于3G，LTE取消了哪個網元（）

",B,"NodeB

","RNC

","HSS

",DRA,,,

"LTE中無線接入網的名稱是什么（）

",D,"EPC

","EPS

","UTRAN

",eUTRAN,,,

"LTE中核心網的名稱是什么（）

",A,"EPC

","EPS

","UTRAN

",eUTRAN,,,

"LTE中小區(qū)是以哪種形式聚合在一起的（）

",B,"LA

","TA

","RA

",LAorRA,,,

"SAE是以下哪個的縮寫（）

",B,"SharedApplicationEnvironment

","SystemArchitectureEvolution

","SocietyofAutomotiveEngineers

",SpecialAreaofEmphasis,,,

"以下哪種說法是正確的（）

",A,"LTE只有PS域

","LTE只有CS域

","LTE既有CS域也有PS域

",LTE既無CS域也無PS域,,,

"LTE中，自組織網絡SON可以實現(xiàn)那些功能（）

",D,"自配置

","自優(yōu)化

","自愈合

",以上三種功能都可以實現(xiàn),,,

"LTE不支持以下哪種MIMO（）

",B,"2*2MIMO

","3*3MIMO

","4*4MIMO

",4*2MIMO,,,

"LTE/EPC網絡實現(xiàn)語音業(yè)務的解決方案包括（）

",D,"CSfallback（CSFB）

","多模雙待

","SRVCC

",以上都正確,,,

"下列哪種調制方式的抗干擾能力最強（）

",A,"BPSK

","QPSK

","16QAM

",64QAM,,,

"以下關于LTETDD的說法正確的是哪個（）

",B,"上行時隙轉下行時隙需要一個特殊時隙做保護間隔

","下行時隙轉上行時隙需要一個特殊時隙做保護間隔

","兩種情況都不需要特殊時隙做保護間隔

",兩種情況都需要特殊時隙做保護間隔,,,

"LTE中信道編碼的作用是什么（）

",A,"糾錯

","檢錯

","糾錯和檢錯

",加擾,,,

"下列哪個是LTE沒有采用的帶寬（）

",A,"1.6MHz

","3MHz

","5MHz

",15MHz,,,

"LTE下行方向，若同時給同一用戶分配了多個RB，則下列哪種說法正確（）

",B,"多個RB在頻率上必須是連續(xù)的

","多個RB在頻率上可以是不連續(xù)的

","多個RB在頻率上必須是不連續(xù)的

",以上說法都不對,,,

"LTE系統(tǒng)的單個小區(qū)支持（）種系統(tǒng)帶寬（）

",B,"4

","6

","8

",12,,,

"下述哪個選項是LTE系統(tǒng)cat3UE在20M帶寬內，上下行2：2，特殊子幀10：2：2條件下的上行峰值速率（）

",A,"20Mbit/s

","50Mbit/s

","100Mbit/s

",200Mbit/s,,,

"下述哪個選項是LTE系統(tǒng)cat3UE在20M帶寬內，上下行2：2，特殊子幀10：2：2條件下的下行峰值速率（）

",C,"25Mbit/s

","50Mbit/s

","60Mbit/s

",200Mbit/s,,,

"LTEFDD和TDD系統(tǒng)中的PSS與SSS之間分別相差幾個OFDM符號（）

",B,"1和1

","1和3

","3和1

",3和3,,,

"LTE系統(tǒng)帶寬在哪個信道中承載（）

",A,"PBCH

","PDCCH

","PDSCH

",PHICH,,,

"LTE系統(tǒng)中的PCFICH指示的信息是（）

",A,"PDCCH所占的符號數(shù)

","PDSCH所占的符號數(shù)

","PUCCH所占的符號數(shù)

",PUSCH所占的符號數(shù),,,

"LTE系統(tǒng)中的PHICH承載的信息是（）

",B,"針對PUCCH的反饋信息

","針對PUSCH的反饋信息

","針對PDSCH的反饋信息

",針對PDCCH的反饋信息,,,

"LTE系統(tǒng)中的一個載波上的PDSCH和PMCH是（）

",A,"時分

","頻分

","碼分

",空分,,,

"LTE載波聚合中的跨載波調度中的CIF具有幾個比特（）

",C,"1

","2

","3

",4,,,

"LTE載波聚合中的載波激活和載波去激活操作是通過哪類信令完成的（）

",B,"物理層信令

","MAC層信令

","RLC層信令

",RRC層信令,,,

"下列哪些信號屬于LTE上行參考信號（）

",A,"SRS

","CRS

","CSI-RS

",PSS,,,

"PUCCHformat1a的調制方式為（）

",B,"QPSK

","BPSK

","QPSK＋BPSK

",16QAM,,,

"LTE上行數(shù)據(jù)發(fā)送，最多同時支持幾根天線發(fā)送（）

",A,"1

","2

","4

",8,,,

"PDCCH表示以下那個信道（）

",D,"物理下行數(shù)據(jù)信道

","隨機接入信道。

","物理上行控制信道

",物理下行控制信道,,,

"以下說法，錯誤的是（）

",A,"LTE上行同時，最多支持2天線發(fā)送

","LTE下行，最多支持4天線端口發(fā)送

","一個LTE子幀在時間上是1毫秒

",LTE上行同時，最多支持1天線發(fā)送,,,

"SPS調度可以應用在（）方向

",D,"僅上行

","僅下行

","僅上行和下行同時應用

","上行或下行或上下行同時應用

",,,

"3GPPR8及以后的SGSN與MME之間的接口是（）

",B,"S6

","S3

","S4

",S12,,,

"EPC/LTE的所有接口都基于（）協(xié)議。

",C,"SCTP

","UDP

","IP

",GTP,,,

"在X2handover中，由哪個網元負責通知SGW修改承載（）

",B,"eNodeB

","MME

","PGW

",HSS,,,

"PCRF通過（）接口向PGW下發(fā)策略。

",B,"S11

","Gx

","S1

",S6a,,,

"LTE/EPC網絡中，手機成功完成初始化附著后，移動性管理的狀態(tài)變?yōu)椋ǎ?/p>

",A,"EMM-Registered

","ECMConnected

","ECMActive

",EMM-Deregisted,,,

"LTE/EPC網絡中，GTP-C協(xié)議使用的GTP版本是（）

",B,"V1

","V2

","V3

",V4,,,

"eNodeB和SGW之間使用哪種協(xié)議（）

",D,"S1AP

","X2AP

","GTP-C

",GTP-U,,,

"LTE/EPC網絡中，手機完成業(yè)務請求后，狀態(tài)變?yōu)椋ǎ?/p>

",B,"EMM-Registered

","ECMConnected

","ECMIDLE

",EMM-Deregisted,,,

"RNC與SGW之間的接口名為（）

",B,"S3

","S12

","S5

",S8,,,

"3GPPR8及以后的SGSN與SGW之間的接口是（）

",C,"S3

","X1

","S4

",S8,,,

"RLC層和MAC層之間的接口是（）.

",B,"傳輸信道

","邏輯信道

",物理信道,,,,

"PCRF與PDN網絡的AF之間的邏輯接口是（）

",B,"Gx

","Rx

","SGi

",S8,,,

"在S1接口傳用戶數(shù)據(jù)的話可以使用以下哪個協(xié)議（）

",C,"S1AP

","SCTP

","GTP-U

",GTP-C,,,

"以下哪個節(jié)點負責UE的移動性管理（）

",C,"S-GW

","P-GW

","MME

",eNodeB,,,

"LTE上行為什么未采用OFDMA技術（）

",A,"峰均比過高

","實現(xiàn)復雜

","不支持16QAM

",速率慢,,,

"以下哪個協(xié)議負責HARQ以及調度的功能（）

",B,"PDCP

","MAC

","RRC

",RLC,,,

"以下哪個協(xié)議負責用戶面數(shù)據(jù)的加密功能（）

",A,"PDCP

","MAC

","RRC

",RLC,,,

"發(fā)射機采用以下哪種技術來實現(xiàn)OFDM（）

",B,"FFT

","IFFT

","匹配濾波器

",IQ調制,,,

"關于空間復用，UE是如何估計下行無線信道質量的（）

",D,"通過測量同步信號

","通過測量探測參考信號

","通過測量PDCCH信道

",通過測量下行參考信號,,,

"E-UTRAN包括下列哪些節(jié)點（）

",C,"eNodeB和RNC

","S-GW和P-GW

","eNodeB

",eNodeB和S-GW,,,

"以下哪種雙工方式更適用于非對稱頻譜（）

",D,"TDMA

","FDD

","CDMA

",TDD,,,

"當UL-SCH資源沒有被分配時，以下哪類信道用于承載上行的ACK/NACK（）

",C,"PUSCH

","PRACH

","PUCCH

",PDCCH,,,

"在鑒權過程的非接入層消息當中，以下哪個參數(shù)會被返回給MME（）

",D,"IK&CK

","AUTN

","RAND

",RES,,,

"同一PLMN網絡的SGW和PGW之間的接口名為（）

",C,"S3

","X1

","S5

",S8,,,

"EPC不包括以下網元（）

",D,"MME

","HSS

","PCRF

",M-MGW,,,

"EPC網絡中作為歸屬網絡網關的網元是（）

",C,"SGW

","SGSN

","PGW

",MGW,,,

"如下哪個選項不是OFDM系統(tǒng)的優(yōu)點（）

",D,"較好抵抗多徑干擾

","較低的頻域均衡處理復雜度

","靈活的頻域資源分配

",較低的峰均比,,,

"LTE中，下列哪項不是PrimarySCH的作用（）

",C,"OFDM符號定時

","頻率同步

","cellIDgroup號的檢測

",所屬cellIDgroup中的三種cellid的檢測,,,

"下面哪些對3GPPLTE系統(tǒng)的同步描述不正確的（）

",D,"主同步信道用來完成時間同步和頻率同步

","輔同步信道用來完成幀同步和小區(qū)搜索

","公共導頻可以用來做精同步

",3GPPLTE系統(tǒng)可以糾正任意大小的頻率偏移,,,

"以下哪一項不是TD-LTE標準中定義的TDD配比格式（）

",C,"DSUUUDSUUU

","DSUUDDSUUD

","DDSUUDDSUU

",DSUDDDSUDD,,,

"LTE系統(tǒng)中，對normal子幀，有幾種CP長度（）

",B,"一種

","兩種

","三種

",四種,,,

"LTEPDSCH數(shù)據(jù)信道采用以下哪種信道編碼（）

",D,"CRC

","RM碼

","卷積碼

",Turbo碼,,,

"LTE中的最小調度單位為（）

",B,"RE

","PRB

","PBCH

",PSS,,,

"以下描述正確的是（）

",A,"LTE基于HARQ功能實現(xiàn)快速重傳

","LTEMAC層將控制UE的移動性測量觸發(fā)條件

","上行調度命令中將攜帶HARQ進程號

",MAC層的初始配置是由高層NAS消息配置的,,,

"下行SPS調度可以最多配置（）進程

",D,"1

","2

","4

",8,,,

"如果UE收到DRXCommand的MACCE后，以下描述正確的是（）

",A,"停止DurationTimer

","啟動DurationTimer

","啟動drx-RetransmissionTimer

",停止drx-RetransmissionTimer,,,

"MAC子頭中L域最大長度為（）

",C,"5

","7

","15

",21,,,

"SchedulingRequest達到最大發(fā)送次數(shù)后還未收到上行資源，終端將（）

",D,"返回IDLE

","判定無線鏈路失敗

","觸發(fā)切換

",觸發(fā)RACH流程,,,

"可信任的非3GPP接入網到PGW的IP接入接口是（）

",A,"S2a

","S101

","SWn

",Gxa,,,

"LTE/EPC網絡中用戶平面數(shù)據(jù)流路徑是（）

",A,"UE->eNodeB->SGW->PGW->PDN

","UE->eNodeB->MME->PGW-PDN

","UE->eNodeB->SGW->MME-PGW->PDN

",UE->eNodeB->SGW->HSS->PGW->PDN,,,

"在UE執(zhí)行TAupdate時，HSS通過哪條消息將用戶簽約數(shù)據(jù)下發(fā)給MME（）

",B,"InsertSubscriberdata

","UpdateLocationanswer

","Modifybearerrequest

",CreatesessionRequest,,,

"S1AP和Diameter協(xié)議最好使用哪種協(xié)議作為傳輸層協(xié)議（）

",C,"TCP

","UDP

","SCTP

",MTP2,,,

"有關UE完成初始化附著過程中，說法不正確的是（）

",D,"UE與MME建立MM上下文

","MME為UE建立默認承載

","UE獲得網絡側分配的IP地址

",UE一定要攜帶APN,,,

"什么情況能觸發(fā)TAUpdating（）

",D,"進入新的TA，且當前TA不在TAlist

","TA周期更新計時器超時

","UE的NAS產生了RRC連接錯誤

",以上都可以,,,

"LTE/EPC網絡的去附著流程可由什么實體發(fā)起（）

",D,"UE

","MME

","HSS

",以上都對,,,

"EPS網絡中，分配給用戶的臨時標識是（）

",D,"IMSI

","MSISDN

","P-TMSI

",GUTI,,,

"以下哪個3GPP版本第一次發(fā)布LTE標準（）

",D,"Rel5

","Rel6

","Rel7

",Rel8,,,

"在LTE中，20M的系統(tǒng)帶寬對應多少個RB（）

",D,"10

","50

","70

",100,,,

"以下哪個功能不屬于RRM（無線資源管理功能）（）

",C,"無線接入控制

","無線承載控制

","擁塞控制

",動態(tài)資源分配,,,

"MME與eNodeB的接口叫做（）

",B,"S1-UP

","S1-MME

","X2-CP

",X2-UP,,,

"EPC發(fā)起的尋呼消息以下列哪個為單位下發(fā)給UE（）

",B,"TA

","TAList

","LA

",RA,,,

"下列哪個節(jié)點在UE開機附著過程中為其分配IP地址（）

",C,"eNodeB

","MME

","P-GW

",S-GW,,,

"下列哪個協(xié)議層負責為HARQ選擇RV版本（）

",D,"RRC

","PDCP

","RLC

",MAC,,,

"一個RB包含多少個RE（）

",D,"12

","36

","72

",84,,,

"下列哪類傳輸信道與邏輯信道沒有映射關系（）

",A,"RACH

","PCH

","BCH

",DL-SCH,,,

"下面哪種格式不是目前LTE的PUCCH支持的（）

",B,"1a

","4

","2

",2a,,,

"RLC數(shù)據(jù)PDU的重分段操作只可能在（）類型的RLC實體存在

",A,"AM

","TM

",UM,,,,

"以下描述正確的是（）

",A,"MAC包頭中的LCID是指邏輯信道ID

","邏輯信道優(yōu)先級是由MAC層根據(jù)調度需求配置的

","傳輸數(shù)據(jù)時，MAC包頭有時候不需要添加LCID

",LCID的大小是16bit,,,

"物理層提供以下什么信息給MAC層（）

",A,"終端調度請求信令

","終端緩存狀態(tài)

","終端數(shù)據(jù)分段大小

",終端DRX狀態(tài),,,

eNodeB怎樣找到MME（）,B,通過eNodeB上的配置數(shù)據(jù)可找到對應的MME的IP地址和端口號,通過DNS找到對應MME列表,MME上配置了eNodeB的IP地址，MME周期性向eNodeB宣告自己的IP地址,D.eNodeB通過查詢HSS找到對應的MME地址,,,

"LTE/EPC網絡中尋呼手機用的標識是（）

",D,"GUTI

","MMEI

","GUMMEI

",S-TMSI,,,

"LTE/EPC網絡選擇SGW的輸入參數(shù)是（）

",A,"TA

","IMSI

","GUTI

",IP,,,

"有關SCTP協(xié)議說法不正確的是（）

",B,"是傳輸層協(xié)議

","數(shù)據(jù)在偶聯(lián)中按序傳遞

","保證上層信令的可靠傳遞

",采用四次握手方式建立連接,,,

"有關SGsAP協(xié)議說法正確的是（）

",D,"用于SGs接口

","可實現(xiàn)CS/PS的聯(lián)合附著

","可實現(xiàn)CS/PS的聯(lián)合尋呼

",以上都正確,,,

"有關Diameter協(xié)議說法不正確的是（）

",D,"由RADIUS協(xié)議演變而來

","Peer到Peer的協(xié)議

","不同接口傳不同類型消息

",消息中攜帶的參數(shù)稱為IE,,,

"什么情況下手機用戶可能被分配一個新的GUTI（）

",D,"附著

","跨MMETAupdate

","MME內的TAupdate

",以上都對,,,

"TDD上下行子幀配置一共有幾種類型（）

",C,"3

","5

","7

",9,,,

"R8TDD特殊子幀配置一共有幾種類型（）

",D,"3

","5

","7

",9,,,

"在UpPTS（上行導頻時隙）中可以發(fā)送一下哪類消息（）

",C,"數(shù)據(jù)

","控制消息

","前導碼

",同步信號,,,

"TDD上下行子幀配置為模式5時，下行最多有多少個HARQ進程（）

",D,"7

","9

","12

",15,,,

"當所有協(xié)議層的安全功能都開啟的時候，一條NAS消息會被加密幾次（）

",B,"2

","3

",4,,,,

"以下哪個來自于核心網參數(shù)不是用來描述EPS承載的QoS的（）

",C,"QCI

","ARP

",BLER,,,,

"LTE下行調度是基于以下哪個參量（）

",A,"CQI

","PMI

",RI,,,,

"在Normal情況下，一個RB包含（）個子載波

",C,"3

","6

","12

",24,,,

"LTE協(xié)議中，定義了幾種PDSCH的傳輸模式（）

",D,"5

","6

","7

",8,,,

"E-UTRA系統(tǒng)覆蓋半徑最大可達（）

",D,"10km

","30km

","50km

",100km,,,

"對于TD-LTE，一個無線幀時間長度（）

",D,"0.5ms

","1ms

","5ms

",10ms,,,

"LTE中，尋呼區(qū)域大小取決于（）

",D,"LAC區(qū)大小

","RAC區(qū)大小

","TA區(qū)大小

",TAlist大小,,,

"哪個模式為其他MIMO模式的回退模式（）

",B,"TM1

","TM2

","TM3

",TM4,,,

"20MHz小區(qū)支持的子載波個數(shù)為（）

",D,"300

","600

","900

",1200,,,

"上行的解調參考信號為（）

",C,"CRS

","DRS

","DMRS

",SRS,,,

"LTE系統(tǒng)一共有（）組SSS序列

",D,"3

","12

","128

",D.168,,,

"下列協(xié)議中，哪個不歸LTE的基站處理（）

",D,"RRC

","PDCP

","RLC

",RANAP,,,

"S1-MME接口存在于MME和哪個網元之間（）

",D,"HSS

","SGW

","PGW

",eNB,,,

"S3接口存在于MME和哪個網元之間（）

",D,"HSS

","SGW

","PGW

",SGSN,,,

"EPC中S10接口是什么網元間的接口（）

",D,"MME-SGW

","SGW-PGW

","PGW-PCRF

",MME-MME,,,

"下面哪種話單是SGW產生的？（）

",A,"SGW-CDR

","PGW-CDR

","S-CDR

",P-CDR,,,

"下面哪種話單是PGW產生的？（）

",B,"SGW-CDR

","PGW-CDR

","S-CDR

",P-CDR,,,

"下面哪種網元不會產生CDR話單（）

",A,"MME

","PGW

","SGW

",GGSN,,,

"Ga接口的承載協(xié)議是（）

",A,"GTP'

","Diameter

","GTP

",Radius,,,

"V-PCRF與H-PCRF之間的接口是（）

",A,"S9

","S6a

","Sp

",S6d,,,

"EPCHSS與AAA之間的接口是（）

",D,"Sh

","S6a

","Wx

","SWx

",,,

"3G相對于LTE，多了哪個單元（）

",B,"NodeB

","RNC

","CN

","BBU

",,,

"空分復用對應幾個碼字（）

",B,"1個

","2個

","3個

",4個,,,

"下列哪種MIMO的應用模式屬于BF（）

",D,"模式1

","模式3

","模式5

",模式7,,,

"下述哪段頻段不是3GPP定義E-UTRA的TDD頻段（）

",A,"Band211495.9MHz–1510.9MHz

","Band331900MHz–1920MHz

","Band342010MHz–2025MHz

",Band351850MHz–1910MHz,,,

"LTE系統(tǒng)中，S1接口是eNB與下面哪個網元的接口（）

",A,"MME

","ENB

","RNC

",SGSN,,,

"LTE系統(tǒng)中，X2接口是eNB與下面哪個網元的接口（）

",B,"MME

","ENB

","RNC

",SGSN,,,

"LTE系統(tǒng)中，定義了幾種幀結構（）

",B,"1

","2

","3

",4,,,

"對TD-LTE1個時隙單位描述準確的是（）

",C,"2個半幀

","十分之一個無線幀

","半個子幀

",一個特殊子幀,,,

"BCH的最小變化周期是（）

",C,"10ms

","20ms

","40ms

",80ms,,,

"一個CCE對應（）個REG

",C,"1

","3

","9

",12,,,

"LTE協(xié)議規(guī)定的UE最大發(fā)射功率是（）

",B,"20dbm

","23dbm

","30dbm

",33dbm,,,

"上行功控中，PRACH只有（）

",A,"開環(huán)功控

","閉環(huán)功控

","內環(huán)功控

",外環(huán)功控,,,

"假定小區(qū)輸出總功率為46dBm，在2天線時，單天線功率是（）

",B,"46dbm

","43dbm

","49dbm

",40dbm,,,

"MIB信息是攜帶在哪個下行物理層信道中（）

",D,"PDCCH

","PHICH

","PCFICH

",PBCH,,,

"LTE協(xié)議中規(guī)定PCI的數(shù)目是（）

",B,"512

","504

","384

",508,,,

"在E-UTRAN系統(tǒng)中，每個小區(qū)在20MHz帶寬下期望最少支持的用戶數(shù)是（）

",D,"250

","300

","1200

",400,,,

"下行公共控制信道PDCCH資源映射的單位是（）

",C,"RE

","REG

","CCE

",RB,,,

"3GPP要求LTE系統(tǒng)每MHz下行平均用戶吞吐量應達到R6HSDPA的（）倍

",C,"1~2

","2~3

","3~4

",4~5,,,

"3GPP要求LTE系統(tǒng)每MHz上行平均用戶吞吐量應達到R6HSUPA的（）倍

",B,"1~2

","2~3

","3~4

",4~5,,,

"擴展CP的時長為（）

",D,"4.7us

","5.2us

","33.3us

",16.7us,,,

"TM3模式在信道條件好的情況下為（）

",B,"發(fā)送分集

","開環(huán)空分復用

","閉環(huán)空分復用

",單流波束賦形,,,

"下列哪項不屬于小區(qū)干擾隨機化技術（）

",D,"加擾

","交織

","跳頻

",IRC,,,

"TD-LTE擴大規(guī)模試驗網室外D頻段組網采用的上下行時隙配比為（）

",A,"2：2

","1：3

","3：1

",3:05,,,

"TD-LTE擴大規(guī)模試驗網室外F頻段組網采用的上下行時隙配比為（）

",B,"2：2

","1：3

","3：1

",3:05,,,

"TD-LTE擴大規(guī)模試驗網室外D頻段組網采用的特殊時隙配比為（）

",C,"3：9：2

","9：3：2

","10：2：2

",11:01:02,,,

"TD-LTE擴大規(guī)模試驗網室外F頻段組網采用的特殊時隙配比為（）

",A,"3：9：2

","9：3：2

","10：2：2

",11:01:02,,,

"PDSCH不支持下列哪種調制方式（）

",A,"BPSK

","QPSK

","16QAM

",64QAM,,,

"MIB塊里不包含下列（）信息

",B,"系統(tǒng)幀號

","PLMN信息

","下行系統(tǒng)帶寬

",PHICH配置信息,,,

"波束賦形（TM7）使用的參考信號為（）

",C,"port0

","port1

","port5

",port7,,,

"S3和S4接口是基于什么協(xié)議實現(xiàn)的（）

",C,"Diameter

","Radius

","GTPv2

",GTPv1,,,

"以下哪個流程不是移動性管理流程（）

",D,"TA更新

","分離

","附著

",PCC策略控制,,,

"以下哪個功能不屬于MME的功能（）

",C,"NAS信令處理

","TAList管理

","合法監(jiān)聽

",漫游控制,,,

"LTE下，用戶通過（）方式進行認證

",D,"AKA

","EAP-SIM

","CHAP

",EAP-AKA,,,

"在LTE下，EPC主要由（）和PDNGW，ServingGW，HSS組成

",D,"PDSN

","SGSN

","GGSN

",MME,,,

"ServingGW和PDNGW合稱是（）

",D,"PDSN

","SGSN

","GGSN

",SAE-GW,,,

"以下哪個功能不屬于PGW的功能（）

",A,"TAList管理

","IP地址分配

","合法監(jiān)聽

",上行和下行的承載綁定,,,

"LTE下，EPC主要由MME和（），ServingGW，HSS組成

",D,"AAA

","SGSN

","GGSN

",PDNGW,,,

"以下哪個功能不屬于SGW的功能（）

",D,"eNodeB之間的切換的本地錨點

","數(shù)據(jù)包路由和轉發(fā)

","合法監(jiān)聽

",PGW的選擇,,,

"在LTE下，eNodeB通過（）接口連接MME（）

",D,"S1-U

","S4

","S3

",S1-MME,,,

"以下關于SRVCC的哪個說法是錯誤的（）

",A,"SRVCC發(fā)生在UE漫游到LTE覆蓋的邊緣地區(qū)時。

","R9SRVCC支持CS到LTE的語音連續(xù)性切換。

","SRVCCMSCS可以新建，避免現(xiàn)網的MSC升級。

",SRVCC基于IMS業(yè)務控制架構實現(xiàn)。,,,

"關于PCRFQoS控制描述錯誤的是（）

",C,"QoS參數(shù)由PCRF下發(fā)

","可實現(xiàn)業(yè)務級的QoS控制

","QoS不包括帶寬控制

",可實現(xiàn)會話級的QoS控制,,,

"IMSHSS中存儲著AS可以訪問的數(shù)據(jù)，這些數(shù)據(jù)不包括（）

",D,"透明數(shù)據(jù)（RepositoryData）

","公有用戶標識（IMPU或PSI）（IMSPublicIdentity）

","IMPU或PSI的用戶狀態(tài)（IMSUserState）

",鑒權數(shù)據(jù),,,

"LTE支持那種切換（）

",A,"硬切換

","硬切換和軟切換

","硬切、軟切和更軟切換

",不支持切換,,,

"LTE系統(tǒng)對單向用戶面時延的協(xié)議要求是小于多少ms（）

",B,"1ms

","5ms

","10ms

",20ms,,,

"從信道中測量干擾條件，確定初始發(fā)射功率屬于哪種功控（）

",C,"外環(huán)功控

","內環(huán)功控

","開環(huán)功控

",快速功控,,,

"正常CP時，1幀包含多少個符號（）

",D,"7

","12

","20

",140,,,

"為抑制干擾，TD-LTE宜采用（）

",B,"快速功控

","部分功控

","完全功控

",慢速功控,,,

"目前中國移動要求eNodeB支持RRC連接用戶數(shù)不少于（）

",B,"400

","1200

","600

",800,,,

"LTE中所有的下行物理信道都支持那種發(fā)射分集（）

",A,"SFBC

","TSTD

","FSTD

",CDD,,,

"承載對應于PUSCH的HARQ信息的信道是（）

",B,"PCFICH

","PHICH

","PDCCH

",PRACH,,,

"信道映射的順序是（）

",C,"PDSCH、PDCCH、PHICH、固定位置信道

","PHICH、PDSCH、PDCCH、固定位置信道

","固定位置信道、PHICH、PDCCH、PDSCH

",固定位置信道、PDSCH、PHICH、PDCCH,,,

"在頻域上，隨機接入前導占用（）個資源塊對應的帶寬

",B,"3

","6

","9

",12,,,

"LTE共支持（）個終端等級

",C,"1

","2

","5

",15,,,

"系統(tǒng)消息（）包含小區(qū)重選相關的其它E-UTRA頻點和異頻鄰小區(qū)信息

",D,"SIB1

","SIB3

","SIB4

",SIB5,,,

"下面不屬于用戶面協(xié)議的是（）

",C,"RLC

","GTPU

","RRC

",UDP,,,

"下面不屬于控制面協(xié)議的是（）

",C,"SCTP

","S1AP

","APP

",NAS,,,

"在LTE系統(tǒng)協(xié)議中，RLC層對數(shù)據(jù)進行（）

",B,"壓縮加密

","分段

","映射

",調制,,,

"以下哪種信道支持空間復用（）

",D,"PCFICH

","PHICH

","PDCH

",PDSCH,,,

"LTE下行最多支持（）個層的空間復用

",D,"1

","2

","3

",4,,,

"PCFICH占用了（）個REG

",B,"2

","4

","6

",8,,,

"preamble碼的format4可以在（）時隙中傳輸

",D,"Slot0

","Slot1

","Dwpts

",Uppts,,,

"preamble格式中，（）可以支持100km的組網

",D,"format0

","format1

","format2

",format3,,,

"下列哪個信道有傳輸信道映射（）

",A,"PBCH

","PCFICH

","PDCCH

",PHICH,,,

"下列哪個信道沒有傳輸信道映射（）

",D,"PBCH

","PMCH

","PDSCH

",PHICH,,,

"天線端口由（）定義

",C,"流數(shù)

","碼字

","參考信號

",秩,,,

"以下哪個參數(shù)不是EPC中QoS參數(shù)（）

",A,"TAI

","ARP

","GBR

",AMBR,,,

"關于承載建立的描述錯誤的是（）

",D,"默認承載建立類似于一次PDP激活

","專有承載建立類似于二次PDP激活

","默認承載一定是Non-GBR承載

",專有承載一定是GBR承載,,,

"以下哪個關于CSFB的說法是錯誤的（）

",C,"CSFB架構中語音業(yè)務承載在CS域。

","CSFB要求LTE與2G/3GCS重疊覆蓋。

","CSFB要求無線部署中一個LAI盡可能對應到一個TAI中。

",CSFB要求LTEUE支持TA/LA聯(lián)合更新。,,,

"頻域資源調度的最重要的依據(jù)是（）

",A,"CQI

","UE能力

","系統(tǒng)帶寬

",緩存數(shù)據(jù)量,,,

"LTE/SAE為UE的位置管理提出（）

",A,"TrackingArea

","RoutingArea

","LocationArea

",MobilityArea,,,

"UE在上行反饋控制信令不包括（）

",C,"CQI

","PMI

","SINR

",RI,,,

"eNodeB對哪種類型的數(shù)據(jù)進行完整性保護（）

",A,"Userplanedata

","RRCsignalling

","NASsignalling

",SystemInformation,,,

"以下哪個屬于ICIC的干擾抑制技術（）

",D,"加擾

","交織

","波束賦形

",靜態(tài)小區(qū)間干擾協(xié)調,,,

"E-NodeB與核心網之間的接口是（）

",A,"S1

","S2

","X1

",X2,,,

"在TD-LTE無線網絡中影響網絡結構的因素有哪些（）

",D,"站間距（站點拓撲關系）

","下傾角和方位角

","站高

",以上都是,,,

"對于系統(tǒng)帶寬為20MHz時，一共包括（）個RB

",B,"20

","100

","200

",1200,,,

"對于雙路的室分系統(tǒng)來說，影響性能的因素有那些（）

",C,"雙路功率的平衡度

","雙路天線間距

","A&B

",以上都不影響,,,

"對于8天線，2Port配置，當單port上的功率需求為15.2dBm時，單Path應該配置多大（）

",D,"6.2dBm

","7.2dBm

","8.2dBm

",9.2dBm,,,

"下面不是造成“塔下黑”的原因的一項為（）

",C,"站點過高

","天線規(guī)格不達標

","功率過高

",下傾角過小,,,

"下列說法不正確的是（）

",D,"ICIC是一種干擾協(xié)調解決方案

","同頻組網比異頻組網的頻譜效率高

","IRC是一種干擾抑制解決方案

",LTE中沒有采用干擾隨機化的技術,,,

"以下哪種單載波帶寬是LTE協(xié)議不支持的（）

",A,"40M

","5M

","15M

",20M,,,

"中國移動TD-LTE宏網場景可使用的頻段為（）

",A,"F和D頻段

","F和E頻段

","E和D頻段

",A和E頻段,,,

"PCI規(guī)劃中需要盡量滿足（）原則

",B,"模2

","模3

","模4

",模5,,,

"下面哪項功能用于鄰區(qū)自動規(guī)劃（）

",A,"ANR

","ICIC

","BF

",AMR,,,

"S-GW和MME之間的接口是（）

",B,"S1

","S11

","S5

",S10,,,

"以下哪個信道用于承載下行控制信令所占用的OFDM符號數(shù)目（）

",D,"PDSCH

","PDCCH

","PBCH

",PCFICH,,,

"以下哪一點不是PCI規(guī)劃需要重點關注的（）

",D,"頻率

","RS位置

","小區(qū)位置關系

",TA歸屬,,,

"1.9GHz與2.6GHZ的無線信號在自由空間的傳播損耗理論值約相差（）dB

",A,"2.7

","5.65

","9.6

",11.56,,,

"以下哪個信道或信號用于小區(qū)PCID識別和小區(qū)搜索過程（）

",C,"PDSCH

","PDCCH

","PSS/SSS

",PCFICH,,,

"以下哪條關于LTE核心網（EPC）的主要特點描述是錯誤的（）

",B,"減少了網元（NE）的數(shù)量

","IP網絡與ATM網絡混合組網

","具有優(yōu)先等級的QoS

",與早期的GSM/UMTS核心網互聯(lián)，提供平滑過渡能力,,,

"以下哪個帶寬是TD-LTE網絡不支持的組網模式（）

",B,"1.4MHz

","2MHz

","5MHz

",20MHz,,,

"以下哪個信道用于尋呼和用戶數(shù)據(jù)的資源分配（）

",B,"PDSCH

","PDCCH

","PBCH

",PCFICH,,,

"S-GW和eNodeB之間的接口是（）

",A,"S1-U

","S11

","S5

",S10,,,

"在考慮TD-LTE覆蓋概率時，通常會有如“95%的地點，99%的時間可通”類似的說法，這里的95%是指（）

",A,"區(qū)域覆蓋概率

","邊緣覆蓋概率

","接通率

",前面三種都不是,,,

"40W功率折算到dB域為（）dBm

",D,"30

","36

","40

",46,,,

"下列哪些數(shù)據(jù)不可以直接作為網絡結構評估的數(shù)據(jù)源（）

",D,"仿真柵格電平預測值

","ATU數(shù)據(jù)

","MR數(shù)據(jù)

",話統(tǒng),,,

"ICIC技術主要是用來解決（）

",A,"系統(tǒng)內同頻干擾

","系統(tǒng)間干擾

","容量受限

",深度覆蓋,,,

"LTE系統(tǒng)共有（）個物理小區(qū)ID，由主同步信號和輔同步信號的組合來標識

",D,"501

","502

","503

",504,,,

"（）由頻域上連續(xù)12個子載波，時域上連續(xù)7個OFDM符號構成

",B,"RB

","PRB

","RAB

",RE,,,

"LTE系統(tǒng)子載波帶寬為（）KHz

",C,"5KHz

","10KHz

","15KHz

",20KHz,,,

"SAE網絡的邊界網關，提供承載控制、計費、地址分配和非3GPP接入等功能的網元是（）

",C,"MME

","S-GW

","P-GW

",HSS,,,

"以下說法哪個是正確的（）

",D,"LTE支持多種時隙配置，但目前只能采用2:2和3:1

","LTE適合高速數(shù)據(jù)業(yè)務，不能支持VOIP業(yè)務

","LTE在2.6GHz的路損與TD-SCDMA2GHz的路損相比要低，因此LTE更適合高頻段組網

",TD-LTE和TD-SCDMA共存不一定是共站址,,,

"LTE組網，可以采用同頻也可以采用異頻，以下哪項說法是錯誤的（）

",B,"10M同頻組網相對于3*10M異頻組網可以更有效的利用資源，提升頻譜效率

","10M同頻組網相對于3*10M異頻組網可以提升邊緣用戶速率

","10M同頻組網相對于3*10M異頻組網，小區(qū)間干擾更明顯

",10M同頻組網相對于3*10M異頻組網，優(yōu)化難度要高,,,

"LTE系統(tǒng)傳輸用戶數(shù)據(jù)主要使用（）

",C,"專用信道

","公用信道

","共享信道

",信令信道,,,

"S-GW和P-GW之間的接口是（）

",C,"S1

","S11

","S5

",S10,,,

"HSS和MME之間的接口是（）

",C,"S1

","S11

","S6a

",S10,,,

"SC-FDMA與OFDM相比（）

",B,"提高了頻譜效率

","降低了峰均比

","提高頻域調度增益

",只能使用RR調度方式,,,

"SON是LTE網絡的一個重要屬性，以下哪些是SON的功能（）

",D,"Self-configuration

","ANR(AutomaticNeighborRelationFunction)

","ICIC(inter-cellinterferencecoordination)

",以上全是,,,

"以下LTE在移動性能方面的主要要求哪條是錯誤的（）

",C,"最大支持500kmph的移動速度

","通常的覆蓋范圍內主要考慮低速（0～15km），并優(yōu)先考慮低速

","保證在200kmph條件下的高性能

",保證在120kmph條件下的連接穩(wěn)定,,,

"以下哪條信息與LTE調度有關（）

",D,"QoS參數(shù)和測量

","等待重傳的數(shù)據(jù)

","UE的CQI反饋

",以上都是,,,

"考慮到干擾控制，城區(qū)三扇區(qū)站水平波束寬度一般不大于（）

",D,"45°

","90°

","120°

",65°,,,

"下列哪一種干擾是由于受擾系統(tǒng)的設備性能指標不合格導致的（）

",A,"阻塞干擾

","雜散干擾

","互調干擾

",諧波干擾,,,

"當基站總功率要求為40W時，Pb=1，Pa=-3dB，且保證所有OFDM符號上的功率相等時，CRS單Port的功率應該配置多大（）

",D,"12.2dBm

","13.2dBm

","14.2dBm

",15.2dBm,,,

"在同樣的覆蓋要求下，采用F頻段組網與采用D頻段組網相比，所需要的站點數(shù)（）

",B,"更多

","更少

","基本相當

",難以評估,,,

"在MBMS邏輯架構中，負責傳輸MBMS會話控制指令的邏輯實體是（）

",D,"MME

","M1

","M2

",MCE,,,

"關于Cat3UE在20M帶寬TD-LTE不同模式下峰值速率說法正確的是（）

",D,"TM3=tm8>TM2=TM7

","TM2<TM3<TM7<TM8

","TM3>TM8>TM7>TM2

",TM3>TM8>TM2>TM7,,,

"以下哪類UE支持上行64QAM（）

",D,"Category2

","Category3

","Category4

",Category5,,,

"PBCH加擾采用的擾碼以下哪個因素有關（）

",A,"小區(qū)ID

","當前幀號

","UE的C-RNTI

",PBCH不加擾,,,

"CCE（ControlChannelElement）可用于數(shù)據(jù)量相對較大的PDCCH的資源分配，每個用戶的PDCCH只能占用（）個CCE，稱為聚合級別。

",A,"1，2，4，8

","1，2，8，16

","16，24，48，96

",16，32，48，96,,,

"下行控制信息（DCI：DownlinkControlInformation）有多種格式，用于傳遞不同的控制信息，其中用于傳輸PUSCH調度授權信息的是（）

",A,"format0

","format1

","format2A

",format1B,,,

"對于以下LTE鄰區(qū)規(guī)劃，描述不正確的是（）

",D,"地理位置上直接相鄰的小區(qū)一般要作為鄰區(qū)

","對于密集城區(qū)和普通城區(qū)，由于站間距比較近（0.3~1.0公里），鄰區(qū)應該多做

","因為LTE的鄰區(qū)不存在先后順序的問題，而且檢測周期非常短，所以只需要考慮不遺漏鄰區(qū)，

而不需要嚴格按照信號強度來排序相鄰小區(qū)

",ANR功能可以完全取代初始網絡的鄰區(qū)規(guī)劃,,,

"以下哪些是屬于SGW的功能（）

",C,"外部IP地址的連接

","對UE用戶的尋呼

","針對UE，PDN和QCI的計費

",用戶策略的實現(xiàn),,,

"SGW和PGWS5/S8協(xié)議棧自上而下正確的順序是（）

",A,"GTP/UDP/IP/L2/L1

","GTP/TCP/IP/L2/L1

","GTP/SCTP/IP/L2/L