1、题型 题干单选题 单站验证测试Log文件保存。单选题 下列哪种说法是正确的。单选题 下列哪种说法是正确的单选题 需求分析的目的是_单选题 ZTEs FDD LTE EMS is divided into three layers in terms of architecture. Among them, the ( ) layer manages NEs. It provides the necessary standard management interfaces for the NMS layer, and receives NE management information from
2、the lower-level layer.单选题 天线增益之间的关系:15dbd=()dbi。单选题 天线增益之间的关系:15dbd=()dbi单选题 What will the eNodeB set up when receiving the random access request message sent by the UE in the initial attach process?单选题 Which software cannot be used for emulation?单选题 在基站密集的城区,相互之间很容易形成干扰,为了使大部分能量都能辐射在覆盖区内,减少对相邻小区的干扰
3、,设置天线的初始下倾角时,应使天线的主瓣上面的()点对准覆盖区的边缘。单选题 在基站密集的城区,相互之间很容易形成干扰,为了使大部分能量都能辐射在覆盖区内,减少对相邻小区的干扰,设置天线的初始下倾角时,应使天线的主瓣上面的()点对准覆盖区的边缘单选题 以下指标中反映其它用户影响,需要在链路预算中考虑的参数是_单选题 以下指标中反映无线信号受障碍物遮挡的影响,需要在链路预算中考虑的参数是_单选题 HARQ的信息是承载在哪个信道上的?单选题 HARQ的信息是承载在( )上。单选题 主瓣带宽是信号带宽对系统带宽的要求,比如,要用BPSK方式传32Kbps语音信号,一般要求系统带宽_KHz单选题 If
4、 PA is 0 and PB is ( ), the power efficiency is 100%.单选题 天线上用于远程电调的AISG线缆一般连到哪里?()单选题 PRACH信道的子载波间隔为()KHz单选题 ZXSDR B8200 L200设备的工作温度范围是()单选题 CNP中撒话务时,默认有几种终端的选择类型?单选题 在CNA里面1个测试文件导入后对应生成1个数据库文件,理论最大支持TB级,推荐单个文件()以下单选题 下面那个软件不能够进行传播模型校正单选题 ACLR是邻道泄漏,它是指( )发射信号落入到被干扰接收机通带内的程度。单选题 ( ) is not one of the
5、 function modules of LTE OMC system.单选题 定向天线方位角误差不大于()单选题 The range of PCI is:单选题 LTE采用的是哪种切换方式?单选题 LTE采用的是哪种切换?单选题 In the LTE system, how many PRACH Configuration Indexes are provided? ( )单选题 多普勒效应引起的附加频移称为多普勒频移,若移动台向远离基站方向移动,则此时因多普勒频移会造成移动台接收频率单选题 3GPP要求LTE系统每MHz下行平均用户吞吐量应达到R6 HSDPA的()倍。单选题 Prior
6、to using Capesso, it is required to provide ( ) in the Atoll.单选题 The parameter to enable the transmit diversity for PDCCH is ( ).单选题 eNB中负责物理层管理的是()单板。 单选题 组内ID的最大取值为单选题 基站的天馈严重驻波比告警是指驻波比值( )。单选题 机械下倾的有一个缺陷是天线后瓣会( ),对相临扇区造成干扰,引起近区高层用户手机掉话。单选题 单站点验证测试处于哪个网络优化流程之后单选题 In a certain coverage radius, the
7、higher the antenna, the ( ) the downtilt is. 单选题 How many Physical Cell IDs is provided in a LTE system?单选题 CQI在以下哪个参数界面中显示?单选题 为保障网络无线覆盖质量正常,驻波比(VSWR)通常要求小于()。单选题 机械下倾只是在架设时倾斜天线,多用于角度小于()的下倾,当再进一步加大天线下倾的角度时,覆盖正前方出现明显凹坑,两边也被压扁,天线方向图畸变,引起天线正前方覆盖不足同时对两边基站的干扰加剧单选题 In LTE system,if 2 transmitter antenna
8、s configured and single antenna power is 43dBm,then total radiated power is()单选题 TTI bundling支持的调制方式为单选题 专用承载修改可以由()和()主动发起。多选题 CQI上报有哪几种上报策略多选题 In our UDM, the LTE solution support library consists of several document libraries, such as ( )单选题 MIB和SIB均在BCH上发送单选题 The incorrect description about Erla
9、ng is ( ). 多选题 What NAS UE IDs may be carried in the Msg3 during the process of random access?多选题 传播模型校正使用的头文件,下列信息哪些是应该包含的?单选题 关于RSRP的定义和解读,错误的是多选题 随机接入适用于哪些场景?多选题 移动通信系统的干扰主要有()单选题 在网络建设初始阶段,什么方式或工具来规划PRACH参数最为简便直接?单选题 自动邻区关系功能(ANR)需要配置_口连接关系。 | ANR function needs the configuration of _ interface
10、associations.多选题 CQI使用的时频资源是由eNodeB来控制的,可以考虑的上报方式为多选题 In overshooting analysis with the CNA-FL, the parameters ( ) are required.单选题 MIB信息是携带在哪个下行物理层信道中? 多选题 The information such as ( ) will have an imapct on the link budget result.多选题 What paging processes are originated by the network?单选题 传输分集的主要原理
11、是利用空间信道的弱相关性,结合时间/频率上的选择性,为信号的传递更多的副本,提高信号的质量,从而改善接收信号的信噪比单选题 关于RSRQ的定义和解读,错误的是单选题 随着QCI变大,大致趋势是对丢包率的要求越来越苛刻。多选题 移动通信用电子地图通常包含的数据信息有()多选题 在无线网络设计中,传播模型的选择和校正是进行覆盖规模估算和仿真的基础,一般来说,对于2G以上的频段常用()模型,800MHz频段时使用的为()模型多选题 Which parameters of target neighbor cell are used in configuring Neighbors? _单选题 CQI在
12、以下哪个参数界面中显示多选题 In propagation model calibration, you should check the following parameters: ( ).多选题 MIMO分集与复用模式的选择主要取决于()单选题 The input impedance of a common mobile communication antenna is normally ( ).单选题 What parameter does not influence the handoff speed?单选题 传输时间间隔TTI等于( )单选题 关于SDR说法错误的是()单选题 所有R
13、RCConnectinoRelease导致的释放都应该统计为掉话多选题 移动用户在传播路径方向上的运动将使接收信号产生多普勒扩展效应,其结果是导致接收信号在频域的扩展,同时改变信号电平的变化率,归纳起来,在传播上会产生哪些不同的损耗:多选题 在无线网络设计中,传播模型的选择和校正是进行覆盖规模估算和仿真的基础,一般来说,对于2G以上的频段常用()模型,而800MHz频段使用()模型。单选题 _ message is the mark of a successful handover.多选题 In propagation model correction, the available Heff
14、algorithms for the effective antenna height include ( ).多选题 MIMO模式中分集与复用之间的切换主要取决于单选题 The input impedance of an antenna is normally ( ) ohm. 单选题 What parameter does not influence the handover speed?多选题 创建地面资源后,系统会连带创建的虚节点为()单选题 关于SDR说法错误的是()。单选题 提高邻频共存系统的系统性能,抑制共存干扰,需要()干扰系统的邻道泄漏功率和()接收机对邻道干扰的抑制能力两方
15、面考虑多选题 移动用户在传播路径方向上的运动将使接收信号产生多普勒扩展效应,其结果是导致接收信号在频域的扩展,同时改变信号电平的变化率,归纳起来,在传播上会产生哪些不同的损耗?多选题 在无线网络优化的项目计划阶段,下述哪些划分目标区域的原则是比较合理的?单选题 About the configuration of S1 and X2 interface in OMC, which statement is RIGHT? _单选题 CSFB技术是将什么业务从LTE网络回落到传统的GU网络中?单选题 In selecting the Okumura Kazakhstan or COST231 pr
16、opagation models, you should consider ( ).多选题 MME功能包括:单选题 The input information of site survey is:多选题 What parameters will cause the generation of random access logic root sequence?多选题 从CDMA向LTE的互操作中,如果采用标准方案,需要考虑如下哪些参数?多选题 关于SDR说法正确的是()单选题 以12天为一个周期,统计这12天内所有ANR发现的邻区(无论最终是否添加为正式邻区);并在周期结束时,对所发现的邻区进
17、行优先级排序;根据邻区优先级,以及当前已存在的正式邻区关系配置,调整邻区添加门限;单选题 在无线网络优化的项目计划阶段,下述哪一项划分目标区域的原则是不合理的?多选题 About the description of handover in LTE system, which statements are RIGHT? _单选题 Currently, an eNodeB supports ( ) VLAN logical ports, and each VLAN logical port can be configured with ( ) IP addresses.多选题 In settin
18、g the uplink overhead for an FDD LTE system in Aircom, it is required to take into account ( )多选题 MME向eNB发起的初始上下文建立请求,请求eNB建立承载资源,同时带安全上下文,可能带()等参数。单选题 The Inter Me Configuration Import and Export function is in the menu of ( ) in the Configuration menubar.多选题 What Preamble Formats can be adopted by
19、 the LTE FDD system?单选题 从eHRPD向LTE的重选,如果打开了标准方案,那么终端方案就自动失效。多选题 关于SPM模型的参数,下列说法正确的是多选题 天线按照方向性,可分为单选题 以20M带宽为例,假设最大符号功率为20w,PA=-3,PB=1。此时RS功率最大值是( )多选题 在无线网络优化项目启动阶段,下述哪些项目信息需与客户共同确认?多选题 About the measurement and handover, which statements are RIGHT? _多选题 Currently, CNP can be used to plan radio par
20、ameters such as ( ).多选题 In site selection, you must consider factors such as ( ).多选题 Multipath fading is caused due to multipath spread the decline,general abide by Rayleigh distribution,and the rate of slow fading fast than a small scale,also called declined,it can be divided into多选题 The inter-cell
21、 interference suppression techniques include ( ).多选题 What problems can cause the RRC connection setup failure?多选题 从LTE往UMTS系统间CSFB的不同方式,可以区分为下述几种常见的场景?单选题 关于TAC规划,那个说法不正确多选题 天线的隔离度取决于 单选题 以太网线在eBBU中不可用于()单选题 在无线网络优化项目验收阶段,下述哪些不是必须提交给客户的文档?多选题 About the OMC function of batch importing Neighbor cells,
22、 which statements are RIGHT? _单选题 Currently, no commercial OMC system uses the operating system ( ).多选题 In site survey and selection, follow the principles below: ( ).多选题 Multi-path fading is such a fading generated by multi-path propagation. Generally, it follows the Rayleigh criterion. Its changin
23、g rate is faster than the slow fadings, so it is also called short term fading. It includes these categories: 多选题 The interference in mobile communication systems mainly includes ( ).多选题 What resources must be prepared before the model correction?单选题 从LTE向eHRPD的非优化切换,如果成功,那么可以观察到IP地址会发生变化单选题 关于UE等级下
24、面说法不正确的是单选题 天线的输入阻抗一般要求是( )欧姆。多选题 以下OMC菜单功能,哪些可以用于邻区配置?_多选题 在无线网络优化项目中,全网优化的目的是:多选题 ANR对UE能力的要求,UE对ANR的支持情况,可以在UE的能力信息中看到,下列关于UE ANR能力说法正确的是:单选题 Currently, one Symmetricom TP5000 IEEE1588 server can provide clock signals to ( ) eNodeBs at most in the case when a Rubidium Atomic Clock module is used,
25、 and the port redudancy function is enabled.多选题 In site survey, the network planning information includes:单选题 MU-MIMO能够提高单用户的吞吐率,而SU-MIMO能够提高小区平均吞吐率。单选题 The intra-frequency/inter-frequency handover based on the coverage is a handover based on the ( ) event and its triggering criteria is the ratio of
26、 the quality of the neighbor cell to that of the serving cell is higher than an absolute threshold. 多选题 What scenarios are the random access applicable to?单选题 从LTE向eHRPD的互操作中,需要配置邻区,且现阶段建议设置为“不支持切换”单选题 关于UPB板描述错误的是:()单选题 天线的输入阻抗一般要求是多少欧姆多选题 以下OMC菜单功能,哪些可以用于邻区配置?_ | Which menus in OMC can guide us to
27、 finish the neighbor configuration? _单选题 在下列地物中,那个地物的电波传播损耗最大多选题 For internal handover in LTE, it starts with the _ signaling, and ends with the _ signaling.多选题 Currently, the SNR used in link budget is obtained through simulation. SNR is related with which factors below?单选题 In SPM, ( ) is a factor
28、related to the effective transmit height of the mobile station. Normally, it is set to 0 during model calibration.单选题 NAS控制协议终止于MME多选题 The intra-system interferences of LTE systems include ( ).多选题 What service types are provided by Atoll by default?多选题 从LTE向eHRPD重选,如果设置为低优先级,那么对于目标eHRPD系统而言,其threshX
29、设置上,下面哪几个是错误的或者不合适的?(针对商用网络)多选题 关于UPB板描述正确的是:()单选题 天线端口之间的隔离度一般需要满足:()单选题 以下不同区域的建筑物穿透损耗大小对比,正确的是_单选题 在下列哪个协议文本中,可以查到LTE FDD切换信令流程和切换参数的含义? | In which Technical Specification can we find the description of LTE FDD Handover siganling and parameters?单选题 For LTE FDD system, Event A1 means _.多选题 Current
30、ly, the SNR value used in link budget is obtained from simulations. The SNR is related to factors such as ( ).单选题 In star networking mode, how many RRUs can be supported by eBBU with maximum configuration? 多选题 Neighbour cell validity check includes ( )in NetMAX-FL?多选题 The intuitive interference loca
31、tion methods include ( ).多选题 What signals are involved in the cell searching?单选题 从LTE重选到UMTS小区后,RRCConnectionRequest消息的建立原因是如下哪种?单选题 关于X2接口说法正确的是单选题 天线前后比指的是主瓣最大值与后瓣最大值之比多选题 以下多系统共站时的天馈方案,描述正确的是:单选题 在小区输出总功率和带宽不变的情况下,要提高小区的RS功率加强小区覆盖范围,以下说法正确的是单选题 For LTE FDD system, Event A2 means _.多选题 Currently,
32、ZTEs LTE OMC system support several networking modes, including ( ).单选题 In the ( ) state, the eNodeB always saves the UE Radio Capability information.单选题 NetMAX-FL不支持加载的地图导入格式是()多选题 The LTE system supports MIMO techniques such as ( )多选题 What terminal types are supported by CNT?单选题 从路测数据分析,UE收到/发出_消息
33、表明RRC连接建立成功。单选题 关于ZTE网元管理系统EMS的部署策略描述错误的是()多选题 以下关于BBU和RRU组网方式描述正确的是:单选题 在小区输出总功率和带宽不变的情况下,要提高小区的RS功率加强小区覆盖范围,以下说法正确的是:单选题 For LTE FDD system, Event B1 means _.多选题 Currently, ZTEs LTE systems can collect interference data by one of the following methods: ( ).单选题 In the access attempt process, Samsun
34、g UEs may encounter the typical “Activate default EPS bearer context reject“ message, with reason value as “PTI mismatch“and the last four bits of the corresponding NAS message is ( ). 多选题 NetMAX-FL支持的参数规划包括:单选题 The LTE uplink RS is designed based on ( ) sequence.单选题 What triggers the random access
35、process in the scenario of downlink data arrival with uplink data synchronization lost?多选题 从应用的角度出发,LTE网络共享架构可以有下列哪几种方式单选题 关于ZXSDR B8200 L200系统内外部接口关系描述错误的是()单选题 天线水平波瓣角()多用于密集城市地区典型基站三扇区配置的覆盖多选题 以下关于DCPD3描述正确的是单选题 在星型组网条件下,满配置的eBBU最多可接几个eRRU()单选题 If 300 neighbor cells need to be configured, for the
36、 current OMC version, by which way can we finish this job in the shortest time? _单选题 Dense Urban环境下,Shadowing Standard Deviation通常选择_dB多选题 In the Alarm Management module of LTE OMC system, you can customize ( ).多选题 NetMAX-FL支持的对比功能包括:多选题 The main funciton of a TMA is to improve the uplink coverage b
37、y reducing feeder loss. The uplink gain of the TMA mainly depends on ( ).单选题 What triggers the random access process when the downlink data arrives and the uplink data are not synchronized?多选题 从应用的角度出发,LTE网络共享架构可以有下列哪几种方式?多选题 关于ZXSDR B8200 L200系统内外部接口关系描述正确的是:()单选题 天线水平波瓣角()多用于密集城市地区典型基站三扇区配置的覆盖。多选题
38、 以下关于LTE关键需求描述错误的是()单选题 在星型组网条件下,满配置的eBBU最多可接几个RRU()单选题 If both S1 and X2 association are configured for an eNB, _.多选题 Depending on the quantity of access users, the quantity of machines, and the reliability requirements, the Citrix can be deployed in several ways: ( ).单选题 In the Atoll simulation, w
39、hich kind of zone has completely no effect on the calculation result of coverage plot?多选题 NetMAX-FL支持的合法性检查功能包括:多选题 The main function of a TMA is to improve the uplink coverage by reducing feeder loss. The uplink gain of the TMA mainly depends on ( ).多选题 What types of attnuation will affect the radi
40、o propagation?单选题 从整体上来说,LTE系统架构仍然分为两个部分,包括EPC(演进后的核心网)和E-UTRAN(演进后的接入网)。多选题 关于测试路线,以下说法正确的是多选题 天线下倾包括:多选题 以下关于LTE关键需求描述正确的是()单选题 在星型组网条件下,满配置的eBBU最多可接几个RRU()。单选题 If only 3 neighbor cells from the same eNB need to be configured, for the current OMC version, by which way can we finish this job in the
41、 shortest time? _单选题 Downlink Frequency在以下哪个参数界面中显示多选题 In the Atoll, what are the methods of getting the traffic data ?多选题 NetMAX-FL支持渲染包括;单选题 The main functions of compass do not include:多选题 What values are the spectrum analyzer sensitivity related to?单选题 簇的数量应根据实际情况决定,不宜过多或过少。根据经验,( )个基站为一簇比较合适。单选
42、题 关于簇优化启动条件的说法,通常不包括多选题 天线下倾方式包括多选题 以下关于使用TMA(塔放)的缺点的说明,正确的是:单选题 在一个无线帧中,PBCH占用的RE个数为:多选题 In Event A3, to facilitate the handover from the serving cell to a neighbor cell, which statements are RIGHT? _单选题 Downlink Frequency在以下哪个参数界面中显示:单选题 In the Atoll,what is the frequency range of SPM propagation
43、model?单选题 NetMAX-FL中,进行工程参数或无线参数对比,对比结果会以()格式输出多选题 The main functions of GPS are:多选题 What values is the setting of the spectrum analyzer sensitivity related to?多选题 簇优化工作中,通常需对比优化前后的指标项有:单选题 关于单站点验证测试的路线选择,下列说法错误的是多选题 天线下倾方式包括( )。多选题 以下关于使用TMA(塔放)的优点的说明,正确的是:单选题 在一个帧中,PBCH占用的RE个数为多选题 In Event A5, to
44、facilitate the handover from the serving cell to a neighbor cell, which statements are RIGHT? _单选题 Downlink MCS在以下哪个参数界面中显示单选题 In the Atoll,what is the frequency range of SPM?多选题 NetMAX-FL中PCI合法性检查包括:多选题 The main functions of SON are ( ).单选题 代表物理层ID组的数字N(1)的取值范围为单选题 关于单站点验证测试的路线选择,下列说法错误的是。单选题 天线下倾角
45、的通用计算公式是 = atan ( H / L ) * 360 / ( 2 * p ) e_ 。其中,表示天线的初始机械下倾角;H表示站点有效高度;L表示该站点天线到正对方向基站小区的距离;b表示_;e_表示_。多选题 以下哪个模块与公共资源管理有关 多选题 在移动通信网络中,使用功率控制的原因有()多选题 In Event A5, to reduce the handover from the serving cell to a neighbor cell, which statement is RIGHT? _单选题 Downlink MCS在以下哪个参数界面中显示:单选题 In the
46、bidding process, ( ) is not a common support method used by the FDD LTE Solution Support section.单选题 NetMAX-FL中Restore Net Management Data的功能是()多选题 The main functions of the FAN module include ( ).单选题 单端口情况下,在频率上,每( )个子载波插入一个RS信号单选题 关于发射分集说法不正确的是多选题 天线下倾角取值与()直接相关多选题 以下哪个软件可以用于邻区优化_.多选题 在移动通信中,影响传播的
47、三种最基本的机制为多选题 In the handover of LTE, the values of TiemToTrigger could be _.多选题 During a bid, the duties of a network planning and optimization solution manager include ( ).单选题 In the calibration test, two UEs are use to perform the test simultaneously both indoor and outdoor. Which index of these t
48、wo UEs can be used to obtain the indoor penetration loss?单选题 NetMAX-FL中进行PCI规划时,PCI的取值范围是()多选题 The main functions of the PSS are:多选题 What will the UE do after receiving the RRCConnectionSetup message?单选题 单通道时候,参考导频(RS)在频域的绝对位置与PCI的关系说法正确的是多选题 关于合路器,以下说法正确的是:多选题 天线下倾角取值与()直接相关。多选题 以下哪个软件可以用于邻区优化_. | Which softwares can optimize LTE Neighbors? _多选题 在移动通信中,影响传播的三种最基本的机制为:单选题 In the OMC of the current version, for an eNB, the maximum number of X2 associations is _.多选题 During a bid, the duties of a network planning engineer include ( ).单选题 In the calibration test,