Wireless Communication and Internet of Things : Electronics 2 : PYQ

 Chapter 1: Wireless Communication : Cellular Telephony

1 mark

Q. Define femtocell.

Q. What do you mean by MTSO in GSM?

Q. Write the full form of GSM.

--Q. What is handoff with respect to mobile communication.

-Q. Write down any two features of GPRS.

2.5 mark

Q. Draw block diagram of mobile handset.

Q. Write a short note on frequency reuse.

5 mark

Q. What is cell in cellular mobile system ? Explain frequency reuse concept with respect to mobile communication. How does "Handoff " take place in mobile communication.

Q. Draw and explain working of GSM architecture.

-Q. Draw and explain GPRS architecture.

Q. Explain the concept of cellular system and handover concept with reference to mobile communication.

Chapter 2: Short Range Wireless Technologies and Location Tracking

1 mark

Q. What is an active RFID tag?

Q. What is the use of RFID model?

Q.. Whiich modulation technique is used in bluetooth?

2.5 mark

Q. Explain piconet and scatternet in bluetooth technologies.

Q. Write a short note on Scatternet of Bluetooth

Q. Write a short note on limitations of RFID system.

5 mark

--Q. Explain the components of RFID system.

Q. Explain bluetooth protocol architecture in detail.

Q. Write in detail transport layer of z wave.

Q. Compare LoRaWAN & Sig fox technologies.

Chapter 3: IoT Architecture

1 mark

Q. Give any two examples of public cloud.

Q. What is full form of MQTT?

Q. What is Zigbee?

2.5 mark

Q. Write a short note on Private cloud.

5 mark

Q. Explain the following topoloies used in Zigbee.

a. Star

b. Tree

c. Cluster Tree

d. Mesh

What is ZigBee coordinator?

Q. What is GSM ? Give function of following blocks of NSS of GSM.

a. Visitor location register (VLR)

b. Home location register (HLR)

c. Equipment Indentify Register (EIR)

d. Authentication Centre (AUC)

Chapter 4: IoT Applications 

1 mark

Q. Define scalability of IoT system.

2.5 mark

Q. Write a short note on Home automation using IoT.

5 mark

Q. Draw and explain smart irrigation system for agricultural field.