英文题翻译版.docx
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英文题翻译版.docx
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英文题翻译版
1.Whichofthefollowingalgorithmsismadeupofthethreestages:
Mcriterion,K-criterionandL-Creterion?
A
(下列哪种算法包含Mcriterion,K-criterionandL-Creterion三个阶段.)
A.Ericsson-algorithm (爱立信算法) B.GSM-algorithm (GSM算法) C.Ciphering-algorithm(认证算法)
2.Whichofthefollowingfunctionsisdesignedtoreducecongestionincells?
B
(下列哪一种措施可以减少小区拥塞)
A.Handover (切换) B.CellLoadSharing (小区负荷分担)C.FrequencyHopping(跳频)
HowmanyTSsandE1arerequiredfortrafficontheAatrinterfacewhenthetraffictobesupportedis710ErlangandGoS=1%
(话务量为710爱尔兰,GOS等级为1%,问需要多少个时隙和多少条E1)
A.738TSs,24E1s B.185TSs,6E1s C.683TSs,23E1s
WhichofthefollowingSignalingSystemNo.7Protocolsareusedforroutingofsignalingmessages?
B
(7号信令系统哪个部分具备信令消息路由功能)
A.MAP,TCAP B.TCAP,SCCP C.MTP,SCP
5.Whichprotocolperformstheaddressingforcircuitrelatedsignaling?
(哪种协议能执行电路相关信令地址功能)
A.MTP B.SCCP C.ISUP
Calculatetheprocessorcapacityintermsofcalls/swhenthetrafficloadis72%andtheloadpercallis25ms. A (=7200/25=28.8)
(当话载入话务量达到72%,并且每个呼叫时长为25ms时,计算一下处理器的容量(从每秒寻呼角度)
A.28,8calls/s B.31,4calls/s C.33,8calls/s
Whichofthesedifferent“droppedcallrates”givesa“subscriberperceived”droprate?
B
(下面几种掉话率,哪一种是描述”用户感知”掉话率的.)
A.DroppedTCHconnectionsofthetotalnumberofTCHconnections (TCH连接掉话数占总的TCH连接 )B.Droppedcallsofthetotalnumberofcallsterminatedinthecell (小区通话结束时总的掉话次数)
C.ErlangminutesperdroppedTCHconnection (TCH每线掉话)
D.Averagecalldropsexperiencedduringonehourtalktime (一小时通话中,平均每两次掉话之间经历时长)
E.Allofthese
WhichofEricsson’sNetworkImprovementPerformanceServicesincludesoptimizationactivities?
E
(哪一种爱立信网络的改进方法能够实现最佳激活服务)
A.TransmissionNetworkReview(TNR)
B.NetworkDesignandPerformanceConsulting(NDPC)
C.BriefSystemAudit(BSA)
D.SystemPerformanceReview(SPR)
E.RadioNetworkImprovement(RNI)
WhatisaddedtotheMSsensitivityleveltoobtaintherequiredsignalstrength,SSreq?
C
(要得到要求的信号强度SSreq,要把什么加到MS灵敏电平)
A.Rayleighfadingmargin (瑞利衰落)
B.Rayleighfadingmarginandinterferencemargin (瑞利衰落和干扰)
C.Rayleighfadingmargin,interferencemargin,andbodyloss (瑞利衰落,干扰和人体损耗)
D.Rayleighfadingmarginandbodyloss (瑞利衰落和人体损耗)
E.Interferencemarginandbodyloss(瑞利衰落,干扰和人体损耗)
Whatisthemostcommonvalueofthehysteresisusedwhenestimatingmarginsforlog-normalfading?
A
(hystersis一般设为多少)
A.3dB B.5dB C.6dB D.8dB E.10dB
UsetheenclosedErlangTabletoworkoutwhichistheoptimumSDCCHconfigurationusingfourTRXs,iftheSDCCH/TCHtrafficratiois30%andtherequiredGoSontheTCHis2%.(AssumenocellbroadcastandnoimmediateassignmentontheTCH.) C
(使用Erlang表,TCH上的服务等级为2%,SDCCH/TCH的话务比为30%,4个载波.
计算出哪种组合是最优的SDCCH配置.
A.SDCCH/8 B.SDCCH/8+SDCCH/4 C.2*SDCCH/8 D.2*SDCCH/8+SDCCH/4 E.3*SDCCH/8
AGBLKmustbesettoanon-zerovalue(thatis=1inEricsson’sGSMsystem),if:
A
下面哪种情况下,AGBLK必须要设为非零值.(爱立信GSM系统中设为1)
A.llbroadcastisusedinacellwithanon-combinedconfiguration. (非组合配置中使用小区广播)
B.Cellbroadcastisusedinacellwithacombinedconfiguration. (组合配置中使用小区广播)
C.steminformation,type4,issentontheBCCH. (在BCCH中发送系统信息4)
D.Systeminformation,type5,issentontheBCCH. (在BCCH中发送系统信息5)
E.MFRMS=2orMFRMS=9
WhichisthemostimportantfactorfordeterminingthepagingcapacityintheBTS?
D
(BTS中决定寻呼容量的最重要取决因素是什么)
A.MFRMS(controlsthenumberofpaginggroups) (控制寻呼组数)
B.AGBLK(reservesapagingblockforaccessgrant) (为准许接入预留寻呼块)
C.Pagingstrategy(forexample,secondpageintheMSCserviceareaorintheLA) (寻呼策略)
D.Combinedornon-combinedmapping (组合或非组合)
E.Theuseofcellbroadcast(小区广播的使用)
AretheULsignalstrengthmeasurementsusedinthelocatingalgorithm?
E
(上行信号强度测量是否用于定位算法)
A.Yes,ofcourse.
B.No,notatall.
C.Yes,butitisusedonlytocheckifconditionsforintra-cellandurgencyhandoversarefulfilled. (是,但只用于检测小区内切和紧急切换是否满足)
D.No,itisusedonlyforpowercontrolofthemobile. (否,只用于移动台功率控制)
E.Yes,butitisusedonlytocheckiftheconditionsforintra-cellhandoverarefulfilled.(是,但只用于检测小区内切是否满足)
WhatistheparameterTINITusedfor?
A (参数TINIT的作用是什么)
A.Tosettheinitialvalueofthetimerthatinhibitshandoverafterachangeofchannel.(设置一次信道改变后,禁止切换定时器的初始值)
B.Tosettheinitialvalueofthetimerthatcontrolsthemeasurementeventsofthemobile. (设置移动台控制测量事件定时器的初始值)
C.Tosettheinitialvalueofthetimerthatcontrolsifhandoverduringsignalingisallowedornot. (设置控制整个切换过程中信令是否允许的定时器初始值)
D.TosettheinitialvalueofthetimerthatcontrolsifhandovertoanotherBSCisallowedornot. (设置控制是否允许切换到另一个BSC的定时器初始值)
E.Tosettheinitialvalueofthetimerthatcontrolsthefilteringprocess.(设置滤波进程定时器的初始值)
Thepurposeoframpingistoavoidhandoverdecisionstoanewneighborbasedononlyafewsamples.Whatisacommonparametersettingformacrocells?
E (斜坡长度的作用是避免切换到一个新小区仅仅是基于几个采样值.对于宏小区来说,该值一般设为多少?
)
A.SSRAMPSI=10andSSRAMPSD=20
B.SSRAMPSI=20andSSRAMPSD=10
C.SSRAMPSI=10andSSRAMPSD=10
D.SSRAMPSI=5andSSRAMPSD=2
E.SSRAMPSI=2andSSRAMPSD=5
WhatisthebasicrankingintheEricsson1locatingalgorithmbasedon?
A
(在Ericsson1定位算法中,基本排队基于什么条件?
)
A.Relativesignalstrength (相对信号强度)
B.Absolutesignalstrength (绝对信号强度)
C.Minimumsignalstrength (最小信号强度)
D.Sufficientsignalstrength (足够信号强度)
E.Quality(质量)
WhatisthedifferencebetweenBSTXPWRatthe“preferredreferencepoint”andthereportedsignalstrengthinthemobile?
a
(选定参加考点上的BSTXPWR与移动台上报的信号强度有什么不同?
)
A.Pathloss (路径损耗)
B.Pathloss,minusantennagain (路径损耗,最小天线增益)
C.Pathloss,minusantennagain,plusfeederloss (路径损耗,最小天线增益,加上馈线损耗)
D.Pathloss,minusantennagainplusfeederandcombinerlosses (路径损耗,最小天线增益和合成器损耗)
E.Thereisnodifference
WhatisthepurposeofsettingBSRXSUFFto–150dBmandMSRXSUFFto0dBminallcells?
D
(小区中BSRXSUFF设为–150dBmandMSRXSUFF设为0dBm的作用是?
)
A.Tomakesurethattheuplinksignalstrengthinfluencesthebasicranking. (为了确定上行信号强度是否影响基本排队)
B.Toenablepathlossranking. (为提高路径损耗的排队值)
C.Toensurethatthesignalstrengthontheuplinkisalwayssufficient. (为确保上行信号强度常常能够满足)
D.Toobtainanabsolutesignalstrengthranking. (为获得绝对信号强度排队值)
E.Todisablepathlossranking.(充用路径损耗排队值)
Whenmaythemerry-go-roundeffectoccur?
C
(什么样情况下旋转木马效应会发生?
)
A.IfTINIThasalowvalue (TINIT设得太小)
B.Ifthehysteresisistoosmall (hysteresis设得太小)
C.Iftheoffsetisnon-zero (offset设为非零值)
D.IfPSSTEMPissettoalowvalue (PSSTEMP设得太小)
E.IfPTIMTEMPissettoalowvalue
WhatisTRHYSTusedfor?
B
(TRHYST的作用)
A.Itmodifiesthesufficientlevelconditionforneighboringcells. (改变相邻小区足够电平条件)
B.Itmodifiesthesufficientlevelconditionforneighboringcellsandtheservingcell. (改变相邻小区和服务小区足够电平条件)
C.ItisusedtomovetheL-Lborder. (改变L-L小区边界)
D.ItisusedtomovetheK-Kborder. (改变K-K小区边界)
E.ItisusedtomoveboththeK-KandtheL-Lborders.(改变L-L小区边界和K-K小区边界)
WhatisBQOFFSETusedfor?
E
(BQOFFSET的作用是?
)
A.Itisusedtotriggerabadqualityurgencycondition.(触发质差紧急条件)
B.Itisusedasasignalstrengthoffsettopenalizecellsafterabadqualityurgencyhandover. (用于质差紧急切换后的信号强度偏移惩罚)
C.Itisusedtooffsetthetriggerconditionsforabadqualityurgencyhandover. (用于质差紧急切换触发条件的偏移值)
D.Itisusedtopreventanewhandoverattemptinacellafterhandoverfailure. (用于防止小区中切换失败后新的切换尝试)
E.Itisusedtorestrictthedistancetoacandidatecell,ifabadqualityurgencyconditionistriggered.(用于当触发了质差紧急条件后,限制候选小区的距离)
Cellsinthebasicrankinglistaredividedintocategories.Howmanycategoriesarethere,iftheservingcellisconsideredasacategoryofitsown?
B
(在基本排除列表中,小区被分成几类,如果服务小区本身也当作其中一类,请问总工可以分几类.)
A.2 B.3 C.8 D.10 E.11
TheFigurebelowshowstheoutcomefrombasicranking.AssumingallcellsexceptDandHfulfilbandandlayerthresholds,whatcellsshouldbeprioritizedandinwhatorder?
E
(注:
没图,不知怎么排)
A.A,B,F,G,E,andC
B.G,E,B,A,C,andF
C.G,E,B,andA
D.B,A,F,G,E,andC
E.A,B,E,andG
TheidlemobilederivesanentitycalledC1.HowisC1used?
A
(空闲状态下的移动台的一个参数叫C1,请问C1的作用?
)
A.C1foraparticularcellmustbelargerthanzeroforamobiletobeallowedtocamponthatcell. (C1用于一个特定的小区,必须要设置大于零,以便能够驻留于一个小区.)
B.C1isaqualitycheckandifnotfulfilled,theidlemobilemusttryanothercelltocampon. (C1是一个质量参数,如果不满足,空闲状态下的移动台一定会尝试选到另外的小区)
C.C1andBSICarereportedtotheservingcell,atleast,onceeveryfivesecondstoenablenetworkcontrolledcellre-selection. (C1和BSIC至少每隔5秒就要上报到服务小区,以便网络能控制小区重选)
D.Atcellre-selection,thecellwiththelargestderivedC1ischosentocampon. (小区重选中,C1值最大的小区被选来驻留)
E.C1issettoyes,ifbothCBandCBQarelow.(如果CB和CBQ都设得很低,则C1要设为YES)
TheidlemobilederivesanentitycalledC2.HowisC2used?
D
(空闲状态下的移动台的一个参数叫C2,请问C2的作用?
)翻译同上题
A.C2foraparticularcellmustbelargerthanzeroforamobiletobeallowedtocamponthatcell. (
B.C2isaqualitycheckandifnotfulfilled,theidlemobilemusttryanothercelltocampon.
C.C2andBSICarereportedtotheservingcell,atleast,onceeveryfivesecondstoenablenetworkcontrolledcellre-selection.
D.Atcellre-selection,thecellwiththelargestderivedC2ischosentocampon.
E.C2issettoyes,ifbothCBandCBQarelow.
WhatisCRHusedfor?
C
(CRH的用途是?
)
A.ItisusedincombinationwithACCMINtocaterforalayeredcellstructureinadualbandnetwork. (与ACCMIN一起使用,以适合分层小区结构)
B.Itisusedasatemporaryoffset
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