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LDCE Wireless > 3G Mobile network & HSPA > Flashcards

3G Mobile network & HSPA Flashcards

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1
Q

1G referes to
1) AMPS
2) IS-95
3) IMT-2000

A

AMPS (advanced mobile phone service)

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2
Q

AMPS used
1) FDMA
2) TDMA
3) CDMA

A

FDMA

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3
Q

? IS-95 used
1) FDMA
2) TDMA
3) CDMA

A

CDMA

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4
Q

2G referes to
1) AMPS
2) IS-95
3) IMT-2000

A

IS-95

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5
Q

3G features
1) Variable bit rate to offer bandwidth on demand
2) Multiplexing of services with different Qos requirements on a single connection
3) Co-existence with different systems and inter-system handovers for coverage enhancement
sand loading balancing
4) All

A

All

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6
Q

3G features
1) Bit rates up to 2Mbps
2) Uplink and downlink asymmetry
3) High spectrum efficiency
4) Co-existence of FDD and TDD modes

A

All

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7
Q

________ is the standard for European 3G based WCDMA systems as preferred solution for countries with 2G
1) IMT
2) IMT-2000
3) UMTS
4) IMT-Advanced

A

UMTS (Universal Mobile Telecommunication System)

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8
Q

GSM used
1) FDMA
2) TDMA
3) CDMA

A

TDMA

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9
Q

3GPP Release 5 introduced
1) IP Multimedia Subsystem (IMS)
2) all IP-Core Network

A

IP Multimedia Subsystem (IMS)

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10
Q

___________ unify and perform all IP based multiservice i.e. a combination of more than one service on a physical channel to a user e.g. voice & video or image.
1) SS7
2) IMS
3) GPRS

A

IP Multimedia Subsystem (IMS)

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11
Q

3GPP Release 4 introduced
1) IP Multimedia Subsystem (IMS)
2) Next Generation Network (NGN) architecture)

A

Next Generation Network (NGN) architecture

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12
Q

IMT–2000 system proposed by the ITU
1) UMTS
2) CDMA2000
3) both
4) none

A

both

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13
Q

WCDMA Radio Access
Network consists of
1) Radio Base Station (NodeB)
2) Radio Network Controller (RNC)
3) both

A

both

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14
Q

The Radio Base Station handles the radio transmission and reception to/from the handset over
the radio interface ___
1) Iu
2) Uu
3) Iur

A

Uu

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15
Q

RNC connects the WCDMA Radio Access Network to the core network via the ____ interface.
1) Iu
2) Uu
3) Iur

A

Iu

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16
Q

roles for the RNC include
1) to serve
2) to control
3) both

A

both

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17
Q

_____has overall control of the handset that is connected to WCDMA RAN
1) Serving RNC
2) Controlling RNC
3) both

A

Serving RNC

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18
Q

______controls the connection on the Iu interface for the handset and it terminates several protocols in the contact between the handset and the WCDMA RAN
1) Serving RNC
2) Controlling RNC
3) both

A

Serving RNC

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19
Q

has the overall control of a particular set of cells, and their associated base stations.
1) Serving RNC
2) Controlling RNC
3) both

A

Controlling RNC

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20
Q

The Serving RNC may ask the Controlling RNC for resources. This request is made via the ___ interface
1) Iu
2) Uu
3) Iur

A

Iur

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21
Q

The Serving RNC may ask the Controlling RNC for resources. Then ____ said to be a Drift RNC
1) Serving RNC
2) Controlling RNC
3) both

A

Controlling RNC

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22
Q

Radio Access Bearers quality class defined by 3GPP for voice telephony
1) Conversational
2) Streaming
3) Interactive
4) Background

A

Conversational

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23
Q

Radio Access Bearers quality class defined by 3GPP for file transfer
1) Conversational
2) Streaming
3) Interactive
4) Background

A

Background

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24
Q

Radio Access Bearers quality class defined by 3GPP for watching a video clip
1) Conversational
2) Streaming
3) Interactive
4) Background

A

Streaming

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25
Radio Access Bearers quality class defined by 3GPP for web surfing 1) Conversational 2) Streaming 3) Interactive 4) Background
Interactive
26
? which has strict ordering 1) Conversational 2) Streaming 3) Interactive 4) Background
1 and 2
27
which has no delay requirement 1) Conversational 2) Streaming 3) Interactive 4) Background
Background
28
UMTS Core Network elements can be categorised into two domains ________ and ___________
Circuit switched elements and Packet switched elements
29
Which elements are primarily based on the GSM network entities 1) Circuit switched elements 2) Packet switched elements
Circuit switched elements
30
SGSN, GGSN stand for
Serving GPRS Support Node Gateway GPRS Support Node
31
When a UE attaches to the Packet Switched domain of the UMTS Core Network, the ___ generates Mobility Management information based on the mobile's current location 1) SGSN 2) GGSN 3) BG
SGSN: Serving GPRS Support Node
32
The ____ is able to manage its elements within the network only by communicating with other areas of the network 1) SGSN 2) GGSN 3) BG
SGSN: Serving GPRS Support Node
33
_______ is responsible billing 1) SGSN 2) GGSN 3) BG
SGSN: Serving GPRS Support Node
34
manages the data sessions providing the required quality of service and also managing PDP (Packet data Protocol) 1) SGSN 2) GGSN 3) BG
SGSN: Serving GPRS Support Node
35
_______handles inter-working between the UMTS packet switched network and external packet switched networks 1) SGSN 2) GGSN 3) BG
GGSN: Gateway GPRS Support Node
36
________ provides connectivity, and interworking and roaming capabilities between two different PLMNs 1) SGSN 2) GGSN 3) BG
BG (BORDER GATEWAY)
37
___ is the entity that decides whether a given UE equipment may be allowed onto the network 1) VLR 2) HLR 3) EIR 4) AUC
EIR (EQUIPMENT IDENTITY REGISTER)
38
contains the secret key also contained in the user's USIM 1) VLR 2) HLR 3) EIR 4) AUC
AUC (AUTHENTICATION CENTRE)
39
SMS MSC belongs to 1) circuit switched element 2) packet switched element 3) shared element
shared element
40
SGSN, GGSN, BG belong to 1) circuit switched elements 2) packet switched elements 3) shared elements
packet switched element
41
HLR, VLR, EIR, AUC belong to 1) circuit switched elements 2) packet switched elements 3) shared elements
shared elements
42
MSC, GMSC belong to 1) circuit switched elements 2) packet switched elements 3) shared elements
circuit switched elements
43
the mobile switching centre is split in two in 1) release 99 2) release 4 3) release 5
release 4
44
The home subscriber server (HSS) was also introduced in release5, and combines the functions of the 1) HLR and EIR 2) HLR and AuC 3) VLR and AuC
HLR and AuC
45
______ introduced in release5 gives a more flexible architecture in which each RNC can be connected to multiple MSCs and multiple SGSNs 1) IuFlex 2) UuFlex 3) IurFlex
IuFlex
46
3GPP Release 6 introduced 1) IP Multimedia Subsystem (IMS) 2) Next Generation Network (NGN) architecture) 3) IuFlex 4) WLAN
WLAN
47
________ services are supplied either by the IMS, or by data servers that are controlled by the network operator and directly connected to a GGSN 1) IuFlex 2) WLAN
WLAN
48
WAG and PDG belongs to 1) IP Multimedia Subsystem (IMS) 2) Next Generation Network (NGN) architecture) 3) IuFlex 4) WLAN
WLAN WLAN access gateway (WAG) packet data gateway (PDG)
49
3GPP release 5 includes 1) HSDPA 2) HSUPA 3) MIMO
HSDPA
50
3GPP release 6 includes 1) HSDPA 2) HSUPA 3) MIMO
HSUPA
51
3GPP release 7 includes 1) HSDPA 2) HSUPA 3) MIMO
MIMO and CPC
52
In 3GPP release 6. MBMS stands for
Multimedia Broadcast Multicast Services (providing improved broadcast services like Mobile TV)
53
CPC in 3GPP release 7 stands for
Continuous Packet Connectivity
54
3GPP release 7 support 1) 64-QAM in the downlink and 16-QAM in the uplink 2) 16-QAM in the downlink and 64-QAM in the uplink 3) 16-QAM in the downlink and 16-QAM in the uplink 4) 64-QAM in the downlink and 64-QAM in the uplink
16-QAM in the downlink and 64-QAM in the uplink
55
3GPP release 7 support 1) MIMO 2) Higher order modulation 3) either 1 or 2 4) both
either 1 or 2
56
3GPP release 8 support 1) MIMO/dual carrier operation 2) Higher order modulation 3) either 1 or 2 4) both
both
57
?? 3GPP release 9 support 1) 2x2 MIMO 2) 4x4 MIMO
58
3GPP release 10 support 1) 2 carriers 2) 4 carriers
4 carriers
59
3GPP release 11 support 1) 16QAM in downlink 2) 64QAM in downlink
64QAM in downlink
60
3GPP release 11 support 1) 2x2 MIMO 2) 4x4 MIMO
4x4 MIMO
61
HSPA stands for
High Speed Packet Access
62
3G HSPA downlink modulation 1) 16QAM 2) QPSK
16QAM
63
3G HSPA uplink modulation 1) 16QAM 2) QPSK
QPSK
64
3G HSPA can be rolled out by 1) software upgradation 2) hardware upgradation
software upgradation
65
HSDPA was introduced in 1) release 99 2) release 4 3) release 5
release 99
66
HSDPA uses new channels HS-DSCH HS-SCCH HS-DPCCH these stand for
High Speed Downlink Shared Channel (HS-DSCH) High Speed Signaling Control Channel(HS-SCCH) High Speed Dedicated Physical Control Channel (HS-DPCCH)
67
W-CDMA uses 1) only QPSK 2) only QAM 3) QAM and QPSK
only QPSK
68
HSDPA uses 1) only QPSK 2) only QAM 3) QAM and QPSK
QAM and QPSK 16-QAM which can carry a higher data rate, but is less resilient to noise is also used when the link is sufficiently robust.
69
16-QAM which can carry a higher data rate, but is less resilient to noise is also used when ________ 1) the link is sufficiently robust 2) the link is sufficiently unstable 3) the link is sufficiently noisy
the link is sufficiently robust (this is determined by analysing parameters fed back by MS). These include details of the channel physical layer conditions, power control, Quality of Service (QoS), and information specific to HSDPA
70
HARQ stands for
Hybrid Automatic Repeat Request
71
______eliminates the need for a variable spreading factor 1) QAM modulation 2) Improved scheduling 3) Fast HARQ 4) Additional channels
Fast HARQ Hybrid Automatic Repeat Request
72
HSUPA introduces a TTI of ___ ms, although a __ms TTI was originally used 1) 5ms, 10ms 2) 2ms, 5ms 3) 2ms, 10ms
2ms, 10ms
73
Higher order modulation was introduced in Release ___ of the 3GPP standards when 64QAM was allowed 1) Release 5 2) Release 6 3) Release 7 4) Release 8
Release 7
74
Hybrid ARQ is employed in 1) HSDPA only 2) HSUPA only 3) both 4) none
both
75
packet scheduling is employed in 1) HSDPA only 2) HSUPA only 3) both 4) none
both
76
it is possible to increase the order of the modulation to enable higher throughput rates if signal levels are sufficiently ___ 1) high 2) low
high
77
EVOLVED HSPA / HSPA+ has ______ protocol enhancements (T/F) 1) Layer 2 2) Layer 3
Layer 2
78
UMTS:W-CDMA = LTE:______
OFDM
79
With 5MHz and 10MHz bandwidth ______ has more data rate 1) HSPA+ 2) LTE
HSPA+
80
HSDPA stands for 1) High Speed Data Packet Access 2) High Speed Downlink Packet Access 3) High Speed Data Protocol Access 4) High Speed Downlink Protocol Access
High Speed Downlink Packet Access

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