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WorksheetsRadio Interface
Total questions: 15
Worksheet time: 5mins
Provides Connectivity between UE & eNodeB (Generic Definition)
Admission Control
Cell Reselection
System Information
Radio Interface
Carries Signaling between UE to MME (as forwarding mechanism through RRC)
RRC
NAS
Control Plane
eUTRA
Using this technique a dedicated channel can be allocated to a user, whilst other users occupy other channels, i.e. Frequencies.
OFDMA
FDMA
TDMA
CDMA
Layer 2 Elements on the Radio Interface Protocol Stack except (1)
PDCP
RLC
MAC
RRC
SIB & MIB are found in…
RRC
PDCP
RLC
MAC
Allows multiple stations to share and use the same transmission channel by dividing signals into different time slots.
TDMA
CDMA
OFDMA
TDMA
Defines HOW a data is transmitted over Radio Interface
Logical Channels
eNodeB
Transport Channels
PRACH
A technique where separate frequency bands are used at the transmitter and receiver side.
Frequency division duplex (FDD)
FDMA
TDD
WCDMA
Defines WHERE a data is transmitted over Radio Interface
Logical Channels
eNodeB
Physical Channels
PRACH
Used for the initial access to the network (RANDOM ACCESS Procedure)
AGCH
RACH
DL-SCH
DTCH
It is concerned about UE's Registration State at the NAS Layer. It has EMM-Register & De-Register Key State
Mobility Management
Capacity Management
Integrity
Call Admission Control
It is related to UE's connectivity (EPS Bearer) at NAS Layer. It has Bearer Context Active & In-Active State.
Mobility Management
Session Management
Handover
Idle Mode
Space between the uplink and downlink.
Cyclic Prefix
Guard Band
Guard Time
Duplex Distance
It is also called linearly precoded OFDMA (LP-OFDMA)
CDMA
SC-FDMA
OFDMA V2
WCDMA
Multiple access is achieved here by assigning subsets of subcarriers to individual users. This allows simultaneous low-data-rate transmission from several users.
OFDMA
TDMA
CDMA
WCDMA
