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4G LTE System Architecture Evolution (SAE) Quiz

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4G LTE System Architecture Evolution (SAE) Quiz

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Questions and Answers

What is the main purpose of System Architecture Evolution (SAE) in LTE networks?

To add more layers to the network architecture

To establish a more complex network architecture

To limit the inter-working with other wireless technologies

To remove the RNC and SGSN from the 3G network architecture (correct)

Which entities does System Architecture Evolution (SAE) include to allow full inter-working with other wireless technologies?

SGSNs and WLANs

eNBs and RNCs

Entities to manage and permit non-3GPP technologies (correct)

MMEs and HSS

What does the evolved UTRAN consist of in LTE networks?

eNBs and RNCs

eNBs and MMEs (correct)

HSS and WLANs

RNCs and SGSNs

What does the X2 interface support in LTE networks?

Interconnection between eNBs Signup and view all the answers

What is the purpose of the S1 interface in LTE networks?

To connect eNBs to MMEs Signup and view all the answers

What is the main purpose of the X2 interface in LTE networks?

To support handover of UEs in LTE_ACTIVE Signup and view all the answers

What entities are specifically included in System Architecture Evolution (SAE) to allow full inter-working with other wireless technologies?

WCDMA, WiMAX, WLAN Signup and view all the answers

What does the S1 interface support in LTE networks?

Communication between eNBs and the Evolved Packet Core (EPC) Signup and view all the answers

What is the purpose of System Architecture Evolution (SAE) in LTE networks?

To simplify LTE networks by removing RNC and SGSN from the equivalent 3G network architecture Signup and view all the answers

What does the evolved UTRAN consist of in LTE networks?

eNBs connected by means of the S1 interface to the EPC (Evolved Packet Core) Signup and view all the answers

Study Notes

System Architecture Evolution (SAE) in LTE Networks

The main purpose of System Architecture Evolution (SAE) in LTE networks is to allow full inter-working with other wireless technologies.

Entities Included in SAE

System Architecture Evolution (SAE) includes Evolved Packet Core (EPC) and Evolved UTRAN (eUTRAN) to allow full inter-working with other wireless technologies.

Evolved UTRAN (eUTRAN)

The evolved UTRAN consists of eNodeBs (eNBs) in LTE networks.

X2 Interface

The X2 interface supports handover preparation, handover execution, and load management in LTE networks.
The main purpose of the X2 interface is to provide a communications link between eNodeBs (eNBs) in LTE networks.

S1 Interface

The S1 interface supports the communication between the Evolved Packet Core (EPC) and the Evolved UTRAN (eUTRAN) in LTE networks.
The purpose of the S1 interface is to provide a communication link between the Evolved Packet Core (EPC) and the Evolved UTRAN (eUTRAN) in LTE networks.

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Description

Test your knowledge of the System Architecture Evolution (SAE) in 4G LTE networks, which simplifies network architecture by using eNB and Access Gateway (aGW) while removing the RNC and SGSN. Explore the transition to a flat, All-IP based architecture.