超星5G Mobile Communication Experiments期末答案(学习通2023完整答案)
超星5G Mobile Communication Experiments期末答案(学习通2023完整答案)
Chapter 1: Test
1、超星In 5G,末答 the technology used to increase the number of users is
A、Massive MIMO
B、案学NOMA
C、习通Massive Carrier Aggregation （CA）
D、完整1ms TTI
2、答案How many devices do you think 5G can support per square kilometer?超星
A、1000
B、末答10,案学000
C、100,习通000
D、1,完整000,000
3、When the system bandwidth is 答案80MHz, the UE channel bandwidth cannot be
A、120MHz
B、超星40MHz
C、末答20MHz
D、案学50MHz
4、Which of the following is not typical 5G application scenario？
A、Enhance Mobile Broadband
B、Massive Machine-Type Communications
C、High security
D、Ultra-reliable and Low Latency Communications
5、Which kind of 5G application scenario does unmanned driving belong to？
A、eMBB
B、mMTC
C、uRLLC
D、None of the above
6、Which of the following frequency bands belong to 5G?
A、3300-3400MHz
B、3400-3600MHz
C、4800-5000MHz
D、1880-1900MHz
7、The driving force of 5G include
A、Large video
B、Internet of things
C、VR/AR
D、Drone
8、Which of the following frequency bands belongs to the Sub 6GHz？
A、1.8 GHz
B、3.5 GHz
C、26 GHz
D、35 GHz
9、From 1G to 5G, which of the following values becomes higher
A、Signal wavelength
B、Signal frequency
C、Antenna size
D、Number of Base stations
10、Which of the following factors can promote the mature application of 5G？
A、Standard
B、Equipment
C、RF chip
D、Test instrument
Chapter 2: Parameter configuration of mobile communication system
Chapter 2: Test
1、The Max bandwidth of 4G system is ( )
A、5MHz
B、10MHz
C、20MHz
D、40MHz
2、What are the key data in SIM card （ ）
A、ICCID
B、Ki、IMSI
C、ADF
D、PIN、PUK
3、Suppose that the total output power of the cell is 46dbm. When there are two antennas, the power of a single antenna is （ ）
A、46 dBm
B、43 dBm
C、49 dBm
D、40 dBm
4、Which of the following services requires the highest system bandwidth? （ ）
A、VR
B、Internet of vehicles
C、Machine Type Communication
D、4k video
5、In wireless environment, which of the following method can not solving the problem of intra-frequency interference?（ ）
A、Adjust antenna down tilt
B、Adjust antenna direction
C、Control the cell coverage
D、Reduce the distance between intra-frequency cells
6、The maximum rank of 4 * 2 MIMO (transmitter: 4 antennas, receiver: 2 antennas) is 4.
7、The receiver sensitivity of base station is related to the transmitting power.
8、The Reference Signal (RS) can be used for downlink channel quality detection.
9、One of the advantages of TDD over FDD is that it supports asymmetric spectrum.
10、In an FDD system, the downlink data rate is much higher than that of uplink, it is mainly due to the poor wireless environment.
Chapter 3: Network entry from UE power up
Chaper 3: Test
1、How many preamble are available in each cell？( )
A、32
B、64
C、128
D、256
2、Which of the following message contains the IP address assigned to UE by the network? ( )
A、rrcConnectionSetup
B、rrcConnectionReconfiguration
C、rrcConnectionSetupComplete
D、rrcConnectionReconfigurationComplete
3、How many types of random access are there? （ ）
A、4
B、3
C、2
D、1
4、Which of the following is the criteria for cell selection? ( )
A、Srxlev>0
B、Squal>0
C、Srxlev>0，and Squal>0
D、Srxlev>0 or Squal<0
5、Which of the following parameter need not be considered in the PRACH parameter planning ? （ ）
A、PCI
B、Preamble format
C、High speed flag
D、Cell radius
6、After the initial random access fails, UE can increase the transmission power and continue to initiate the random access process
7、When UE initiates random access, the specific reason is carried in RRC Connection Request signaling
8、Data service can be used even if there is no SIM card
9、For contention-free based random access, the preamble is assigned by the network
10、The preambles for Random Access used in each cell are the same
Chapter 4: System Information and Paging
Chapter 4: Test
1、Paging area size depends on ( )
A、LAC
B、RAC
C、TA
D、TA List
2、System message ( ) contains inter-frequency information related to cell reselection
A、SIB1
B、SIB3
C、SIB4
D、SIB5
3、Which downlink physical channel is MIB included in ? ( )
A、PDCCH
B、PBCH
C、PDSCH
D、PCH
4、The scenarios that UE needs to get system information ( )
A、Cell selection and reselection
B、Handover complete
C、Returning to the coverage area
D、Receive system information change notification
5、System information is mainly composed of ( )
A、MIB
B、SIB
C、PCI
D、IMSI
Chapter 5: Measurement and Handover
Chapter 5: Test
1、In the event trigger measurement report, event A3 is defined as ( )
A、The serving cell is better than the threshold
B、The neighbor cell is better than the serving cell and exceeds the offset value
C、Neighbor cell is better than threshold
D、This serving cell is worse than the threshold, and the neighboring cell is better than another threshold
2、In 4G, intra-frequency handover is based on ( )
A、RSRP
B、CQI
C、RSRQ
D、RSSI
3、Which ofthe following description is wrong for the purpose of downlink reference signal ( )
A、Downlink channel quality measurement
B、Downlink channel estimation
C、Cell search
D、Time and frequency synchronization
4、Which types can handover be divided into according to the trigger reasons ( )
A、Coverage based handover
B、Load based handover
C、Service based handover
D、UE speed based handover
5、What are the three stages of handover? ( )
A、Measurement report
B、Handover preparation
C、Handover execution
D、Handover complete
6、LTE intra-system handover includes ( )
A、Intra-eNodeB handover
B、X2 handover
C、S1 handover
D、Handover between SGSNs
Chapter 6: Multiple Input Multiple Output (MIMO)
Chapter 6: Test
1、The generalized definition of MIMO is ( )
A、Multiple input multiple output
B、Single input single output
C、Multiple input single output
D、Single input multiple output
2、Which of the following statement about 2 * 2 MIMO is correct? （）
A、2 transmit antennas refers to eNodeB, and 2 receive antennas also refers to eNodeB
B、2 transmit antennas refers to eNodeB, and 2 receive antennas refers to UE
C、2 transmit antennas refers to UE, and 2 receive antennas also refers to UE
D、2 transmit antennas refers to UE, and 2 receive antennas refers to eNodeB
3、In general, the spacing between the elements of smart antenna is ( )
A、1 wavelength
B、1/2 wavelength
C、1/4 wavelength
D、2 wavelength
4、Which of the following indicators can indicate the number of MIMO layers currently available for NR systems? ( )
A、SRS Power
B、RANK indicator
C、SSB Index
D、CQI
5、In 5G, which technology can be used to increase the number of access users? ( )
A、Massive MIMO
B、SOMA
C、Massive CA
D、1ms TTI
6、The main gains of MIMO technology include ( )
A、Spatial multiplexing
B、Beamforming
C、Transmit diversity
D、Power control
7、Which of the following statements about MIMO are correct? ( )
A、Spatial multiplexing can improve cell throughput and peak rate
B、Spatial multiplexing is usually used in the central area of the cell
C、Virtual MIMO can be used for uplink transmission
D、Spatial diversity can improve coverage
Chapter 7: Radio Resource Management (RRM)
Chapter 7: Test
1、What problem is ICIC technology used to solve? （ ）
A、Adjacent channel interference
B、Co-channel interference
C、Random interference
D、Inter-system interference
2、Which of the following items is the most important consideration for frequency domain resource scheduling?
A、CQI
B、UE capability
C、System bandwidth
D、Buffer size
3、Which of the following resource scheduling algorithms can achieve maximum system capacity?
A、Round Robin algorithm
B、Maximum C/I algorithm
C、Proportional Fair algorithm
D、Minimum C/I algorithm
4、Which entity performs cell selection and reselection for UE in idle state? ( )
A、Serving gateway
B、MME
C、eNodeB
D、UE
5、What criteria is used for cell selection? ( )
A、S-Criterion
B、R-Criterion
C、T-Criterion
D、Q-Criterion
6、What criteria is used for cell reselection? ( )
A、S-Criterion
B、R-Criterion
C、T-Criterion
D、Q-Criterion
7、Which of the following interference may exist in the wireless network? ( )
A、Spurious emission interference
B、Blocking interference
C、Intermodulation interference
D、Harmonic interference
8、Which of the following technologies can reduce inter cell interference? ( )
A、Combining signals from different cells to reduce the influence of adjacent cell signals
B、Randomize the interference by scrambling, interleaving and frequency hopping
C、Demodulation of multi-cell information jointly using interleaved multiple access (IDMA)
D、Interference coordination by limiting the time-frequency resources used at the cell edge
Chapter 8: Link adaption
Chapter 8: Test
1、Link adaptation technology mainly includes ( )
A、Handover control
B、Power control
C、Adaptive modulation and coding
D、Hybrid automatic request retransmission
2、The types of power control include ( )
A、Open loop power control
B、Closed loop power control
C、Inner loop power control
D、Outer loop power control
3、The purpose of power control are ( )
A、Guarantee service of quality
B、Reduce interference
C、Reduce energy consumption
D、Improve coverage and capacity
4、AMC achieves performance improvement by dynamically adjusting parameters of ( )?
A、Transmission power
B、Modulation level
C、Coding rate
D、Antenna number
5、Which of the following protocol layers is the security protection of communication system implemented? ( )
A、NAS
B、HTTP
C、PDCP
D、FTP
6、Uplink power control includes ( )
A、Power control of PUSCH
B、Power control of PUCCH
C、Power control of SRS
D、ICIC control
因为厚制品是非等温硫化，所以不需要用硫化仪测其等温硫化曲线。
A.苯乙烯能得到活性聚合物的聚合机理是
B.心火亢盛证与心阴虚证均可出现的临床表现是
C.场地类比是根据土层等效剪切波速和场地覆盖层厚度综合确定。
D.A. Pair Work
以下关于《罗米欧与朱丽叶》的表述，错误的是（）
A.社区和旅游发展的关系（ ）
B.开展科室会的程序包括（ ）。
C.苏武回到汉朝时是汉武帝执政。()
D.现金管理的目标是尽量降低现金的占用量，以获得更多的收益。（ ）
马尔克斯的《百年孤独》是一部什么类型的小说（ ）
A.“何处望神州满眼风光北固楼。”这两句在诗歌创作技巧上属于问答 。
B.乳糖操纵子表达受到那些调控
C.机械制图中注意尺寸标注、字母、数字所用字体应为isocp.shx。
D.人们在一定的认识基础上确立的、对某种思想或事物坚信不疑并身体力行的精神状态是：
名义利率是指一年内多次复利时给出的年利率，它等于每期利率与年内复利次数的乘积。
A.凸轮机构中的压力角是指( )间的夹角。
B.下列属于加成反应的是（ ）
C.简述运输方式及承运人的选择步骤。
D.根据人力资源规划的结果，招聘时应该注意招聘人员的（ ）
线性缩聚反应中，聚合度与那些因素有关
A.为避免相互干扰，要求每个NAVTEX岸台信号覆盖半径不得超过
B.要使循环体至少执行一次，应使用（ ）循环。
C.在Fiedler的模型中，情境维度____等重要变量的影响程度有关。
D.按测定原理和操作方法的不同，分析方法可分为仪器分析法和化学分析法。
建国初国营经济的来源有（ ）。
A.骨骼肌收缩时，随之不缩短的有
B.被称为“东方威尼斯”的是（）
C.刺参辅水管起源于中胚层。
D.( )色适用于所有行业的面试。
参见图示。从图中显示的输出可以得到有关 STP 的哪两项结论（2分）
A.建国初期建立国营经济的途径有（ ）。
B.彝族社会中一般分为君、臣、师三个等级，其中“师'是：
C.任何一项发明成果都是（ ）的结晶。
D.为了节能环保可以不计成本的进行创新。（ ）_
(__)和(__)是衡量材料塑性性能的两个指标
A.卵泡膜形成于初级卵泡期，成熟于次级卵泡期，并分化形成内、外两层。
B.在照护睡眠呼吸暂停低通气综合征（SAHS）的病人时，以下措施哪项不合理（ ）。
C.除了狂犬病之外，还有哪些疾病可能由猫传播（）
D.执行后可以查看Python的版本的是: ( )_
青藏高原大地形的作用使得在青藏高原东南部容易形成（）
A.（ ）是指记录经济业务发生或者完成情况的书面证明，是登记账簿的依据。
B.下列选项中表明管理者扮演人际角色的是（ ）。
C.客户关系管理简称为CRM
D.PowerPoint中的动画有（ ）类型。
渐开线的发生线沿基圆滚过的长度等于_____。
A.提高品牌使用频率的战术是：找出新的和完全不同的使用品牌的方式。
B.可以作为计算机数据单位的是（ ）。
C.能正确表示当x的取值在[－58，－40]
D.在Excel中，保存的是（）文件。
个人持取得的支票到银行办理兑现，银行审核支票付款的依据是支票出票人的（）
A.下列事项中不具有票据法上效力的事项是（ ）
B.“丰年人乐业，垅上踏歌行”是下面哪位画家哪个作品的题诗
C.新产品采用者的类型有（ ）：
D.路基表层渗水系数宜在路面成型后立即测定。
陈先生在某大型企业中担任总工程师职务，多年前不久正式退居二线
A.从简单有向图的邻接矩阵如何判定它是否为根树如果是根树，如何判定树根和树叶。
B.旋风分离器的进气口宽度B值增大，其临界直径（ ）。
C.中餐的桌次安排要把握的一个原则是
D.计算思维的本质是( )。
脂肪酸的不饱和度可以用以下（ ）指标表示。
A.开发软件所需高成本和产品的低质量之间有着尖锐的矛盾,这种现象称做( )。
B.舒适性空调房间的夏季空调冷负荷计算中，可不计算通过地面传热形成的冷负荷
C.后张法施工中单根钢筋锚具包括（ ）。
D.提出教育的目的是为人的完满生活做准备。
劳动生产率提高，原材料综合利用，不一定会引起单位变动成本增加
A.关于股东或合伙人知情权的表述，下列哪一选项是正确的（ ）
B.镗孔是常用的孔加工方法之一，可分为粗镗、半精镗和精镗。
C.“朝饮木兰之坠露兮，夕餐秋菊之落英”出自《离骚》。
D.按钮事件响应的本质是借助Java反射机制实现的什么模式
相关日志：
尔雅环境微生物学_9课后答案(学习通2023题目答案)
中国大学制浆造纸机械与设备A(2)课后答案(慕课2023完整答案)
mooc计算机应用基础_55课后答案(mooc完整答案)
尔雅模拟电路设计实践答案(学习通2023题目答案)
知到无机化学（山东联盟-青岛科技大学）章节答案(知到2023年完整答案)
中国大学药代动力学课后答案(mooc完整答案)
智慧树英国文学史及作品选读答案(知到2023单元答案)
超星生态学_14课后答案(学习通2023完整答案)
超星大学计算机_19期末答案(学习通2023完整答案)
知到跨文化交际（山东外贸职业学院）期末答案(知到期末答案)