首页
登录
从业资格
CDMA for cellular systems can be describ
CDMA for cellular systems can be describ
admin
2022-08-02
14
问题
CDMA for cellular systems can be described as follows. As with FDMA, each cell is allocated a frequency (本题) ,which is split into two parts, half for reverse (mobile unit to base station) and half for ( ) (base station to mobile unit). For full-duplex ( ) . a mobile unit uses both reverse and forwardchannels. Transmission is in the form of direct-sequence spread ( ) , which uses a chipping code to increase the data rate of the transmission, resulting inan increased signal bandwidth. Multiple access is provided by assigning ( ) chipping codes to multiple users, so that the receiver can recover the transmission of an individual unit from multiple transmissions.A.waveB.signalC.bandwidthD.domain
选项
答案
C
解析
转载请注明原文地址:https://www.tihaiku.com/congyezige/2405239.html
本试题收录于:
中级 网络工程师题库软件水平考试初中高级分类
中级 网络工程师
软件水平考试初中高级
相关试题推荐
SoftwareEngineeringisbestdescribeda
Mostoperatingsystemshaveastandards
Inprojectmanagementandsystemsengine
CDMAforcellularsystemscanbedescrib
CDMAforcellularsystemscanbedescrib
CDMAforcellularsystemscanbedescrib
CDMAforcellularsystemscanbedescrib
CDMAforcellularsystemscanbedescrib
Thepurposeofsystemsanalysisphaseis
Duringthesystemsanalysisphase,greate
随机试题
HowtoStandOutatGraduateFairsA)Amajoreventforallj
[originaltext]M:Excuseme,wouldyoupleasetellmewhenthenextflighttoLo
生活准备说
下列不属于挡烟垂壁不能自动启动的故障原因是()。A.控制模块或线路发生故障
参与式培训一般要求培训对象具有共同的A.兴趣和爱好 B.背景和经历 C.价值
(2019年真题)高级管理层应牵头内部控制体系的统筹规划、组织落实和检查评估。内
Thechangeinthatvillagewasmiraculou
简述企业的培训环境的内容。(16分)
选择入市的时机分为()等步骤。A.研究周边市场的变化 B.研究市场趋势
材料管理ABC分类法的内容不包括( )。A.计算项目各种材料所占用的资金总量
最新回复
(
0
)