4G Network Fundamentals 

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What are the visible elements of a mobile network ?

How is it possible that I can communicate everywhere ?

Where do the packets pass when I consult a server ?

Can I use my terminal freely on any network ?

What is the architecture of the 4G network ?

How is this course structured ?

What do 2G, 3G, 4G mean ?

Quiz W1-L1

Quiz W1-L2

Quiz W1-L3

Quiz W1-L4

Quiz W1-L5

Quiz W1-L7

Homework 1 : On generalities

What happens when I turn my terminal on ?

How can the network verify that a terminal gives its valid identity ?

Can someone listen on my communications ?

Can someone modify the signalling messages ?

How are the keys distributed in the network ?

Could someone track my movements ?

Quiz W2-L1

Quiz W2-L2

Quiz W2-L3

Quiz W2-L4

Quiz W2-L5

Quiz W2-L6

Quiz W2-L7

Homework 2 : On Security

How is information transmitted by radio ?

How to share spectrum resource between users

How are UEs informed about the resources they can use ?

How can we increase the reliability of the radio ?

What are the levels of quality of service provided by the radio interface ?

How do UEs register when entering in a new cell ?

How does interfacing with LTE core network work ?

Quiz W3-L1

Quiz W3-L2

Quiz W3-L3

Quiz W3-L4

Quiz W3-L5

Quiz W3-L6

Quiz W3-L7

Homework 3: Recap

Homework 3, Analysis of Scheduling

How can data packets be transmitted to my terminal ?

Which protocols are used for data exchanges

How to transmit packets very rapidly

How to establish a tunnel? to use it ?

How to structure UE-MME exchanges ?

How is an S1-AP connection established ?

How to permit an MME to deal wih only security and mobility ?

Quiz W4-L1

Quiz W4-L2

Quiz W4-L3

Quiz W4-L4, Part 1

Quiz W4-L4, Part 2

Quiz W4-L5

Quiz W4-L6

Quiz W4-L7

Homework 4, Part 1

Homework 4, Part 2

What happens when I turn my terminal on or off ?

Is my terminal always connected to the network ?

What happens after a long period of radio inactivity ?

Can I use my terminal when there is no radio connection ?

Can a server transmit data to a terminal after inactivity ?

Can you have QoS in a 4G network ?

Quiz W5-L1

Quiz W5-L2

Quiz W5-L3

Quiz W5-L4

Quiz W5-L5

Quiz W5-L6

Homework 5: Recap

Homework 5, Example of 4G trouble shooting

How can the terminal be reach at any moment ?

How to ensure the cell does not manage a lot of location updates ?

How location update is processed in the network ?

How is mobility managed in case of change of MME, SGW ?

How can I continue to use a service on my terminal while I'm moving ?

How does a handover really work ?

Is handover possible without X2 ? when the terminal changes MME ? SGW ?

Quiz W6-L1

Quiz W6-L2

Quiz W6-L3

Quiz W6-L4

Quiz W6-L5

Quiz W6-L6,

Quiz W6-L7, Part 1

Homework 6, Part 1: Questions on Mobility Management

Homework 6, Part 2: Questions on Handover

Final Exam, Part 1

Final Exam, Part 2

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