[試題] 102上 林風 個人通訊服務 期中考
課程名稱︰個人通訊服務
課程性質︰資工,網媒系所選修
課程教師︰林風
開課學院：電資學院
開課系所︰資工,網媒所
考試日期（年月日）︰102/11/14
考試時限（分鐘）：180
是否需發放獎勵金：是
（如未明確表示，則不予發放）
試題 :
1.Please depict the general architecture for PCS networks, and briefly
describe the functionality of each network element in this architecture.(5%)
2.Please describe the execution of the following radio access technologies
adopted in the PCS networks and list at least one PCS system that adopts any
of these radio access technologies, respectively.(10%)
(a)FDMA
(b)TDMA
(c)CDMA
(d)FDD
(e)TDD
3.(a)Please describe how the three handoff detection mechanisms,
MCHO,NCHO,MAHO,exercise.(6%)
(b)List at least one PCS system that adopts MCHO,NCHO,MAHO, respectively.(3%)
(c)List a table to compare the three machanisms in respects of the
mobile complexity,network complexity,handoff speed,and
load balancing capability.(4%)
4.Please list a table to compare the high-tier,low-tier,
and cordless PCS systems in terms of the cell size,user speed,coverage area,
handset complexity,handset power consumption,speech coding rate,and delay.
(14%)
5.Please illustrate GSM Basic Call Origination and Termination Procedure,
respectively(Radio Aspect).(6%)
6.(a)What kinds of informaiton are stored in GSM HLR and VLR?(6%)
(b)Please illustrate GSM Basic Location Update Procedure.
(Inter-VLR movement is assumed)(5%)
7.Suppose that Jenny and John are GSM users in Singapre and Taiwan,
respectively.Consider the situation where John roams from Taiwan to
Singapore.Please,based on the standard GSM International Roaming Procedure,
depict the message flow and briefly describe each step to show how Jenny
makes a phone call to John.(15%)
8.Please depict the flowcharts of the GSM authentication and
encryption/decryption procedures.(10%)
9.(a)Depict the SS-7 network architecture.For each network nodes, briefly
describe its functionality.(6%)
(b)Depict the protocol stack for the SS-7 networks, and describe the main
function of each layer.(5%)
10.Please illustrate the 4 cases of Inter-system Anchor Approach.(5%)
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.112.29.219
※ 編輯: KernelChen 來自: 140.112.29.219 (11/15 18:20)
※ 編輯: KernelChen 來自: 140.112.16.141 (11/15 18:40)
※ 編輯: KernelChen 來自: 140.112.16.141 (11/17 08:50)