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Page 1: SNS COLLEGE OF ENGINEERING, COIMBATORE … · Unscramble the tiles to reveal a message. (Understand) 8. Fill the co-channel reuse ratio and N(cluster size) CLUSTER SIZE (N) Co-CHANNEL

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SNS COLLEGE OF ENGINEERING,

COIMBATORE

DEPARTMENT OF ECE

EC 6801 – WIRELESS

COMMUNICATION

STUDENTS WORKBOOK

Page 2: SNS COLLEGE OF ENGINEERING, COIMBATORE … · Unscramble the tiles to reveal a message. (Understand) 8. Fill the co-channel reuse ratio and N(cluster size) CLUSTER SIZE (N) Co-CHANNEL

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UNIT – 2

CELLULAR

ARCHITECTURE

Page 3: SNS COLLEGE OF ENGINEERING, COIMBATORE … · Unscramble the tiles to reveal a message. (Understand) 8. Fill the co-channel reuse ratio and N(cluster size) CLUSTER SIZE (N) Co-CHANNEL

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TOPIC – 1 MULTIPLE ACCESS TECHNIQUES

1. RECOGNIZE THE CHANNEL (Remember)

2. Fill the missing slots. (Understand)

3. Search the words related to CDMA

4. Compare CDMA, FDMA & TDMA (Analyze & Evaluate)

Page 4: SNS COLLEGE OF ENGINEERING, COIMBATORE … · Unscramble the tiles to reveal a message. (Understand) 8. Fill the co-channel reuse ratio and N(cluster size) CLUSTER SIZE (N) Co-CHANNEL

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Techniques

Parameters

TDMA FDMA CDMA

Channel usage

Narrowband system????

Synchronization bits???

Interference

Simplex / Duplex???

Power consumption

Noise

Modulation

Forward Error Correction

Bandwidth Efficiency

Source coding

Diversity

complexity

Handover

Fading

Voice and data integration

Evolution

5. What is Non Orthogonal Multiple Access (NOMA) for wireless communications?

Page 5: SNS COLLEGE OF ENGINEERING, COIMBATORE … · Unscramble the tiles to reveal a message. (Understand) 8. Fill the co-channel reuse ratio and N(cluster size) CLUSTER SIZE (N) Co-CHANNEL

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Write a report on NOMA and its potential use in 5G networks. (Apply & Evaluate)

Page 6: SNS COLLEGE OF ENGINEERING, COIMBATORE … · Unscramble the tiles to reveal a message. (Understand) 8. Fill the co-channel reuse ratio and N(cluster size) CLUSTER SIZE (N) Co-CHANNEL

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TOPIC – 2 CELLULAR CONCEPT, CHANNEL ASSIGNMENT AND HANDOFF

1. (Understand) Fill the frequency reuse channels with

any alphabets without interference

2. (Understand)

WHY?

3. Name the type of Problem______________________ (Analyze)

JUSTIFY

JUSTIFY

Page 7: SNS COLLEGE OF ENGINEERING, COIMBATORE … · Unscramble the tiles to reveal a message. (Understand) 8. Fill the co-channel reuse ratio and N(cluster size) CLUSTER SIZE (N) Co-CHANNEL

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4. (Analyze)

WHY?

5. (Understand)

Find the interference….

6. Unscramble the channel assignment methods (Understand)

JUSTIFY

JUSTIFY

Page 8: SNS COLLEGE OF ENGINEERING, COIMBATORE … · Unscramble the tiles to reveal a message. (Understand) 8. Fill the co-channel reuse ratio and N(cluster size) CLUSTER SIZE (N) Co-CHANNEL

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7. Unscramble the tiles to reveal a message. (Understand)

8. Fill the co-channel reuse ratio and N(cluster size)

CLUSTER SIZE (N) Co-CHANNEL REUSAE RATIO (Q)

i = 1, j = 1

i =1, j=2

i=2, j=2

i=1, j=3

9. Name the type of interference.

Page 9: SNS COLLEGE OF ENGINEERING, COIMBATORE … · Unscramble the tiles to reveal a message. (Understand) 8. Fill the co-channel reuse ratio and N(cluster size) CLUSTER SIZE (N) Co-CHANNEL

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10. See the picture and write a report on the study. (Analyze)

Hint: 1/3 frequency reuse network.

Page 10: SNS COLLEGE OF ENGINEERING, COIMBATORE … · Unscramble the tiles to reveal a message. (Understand) 8. Fill the co-channel reuse ratio and N(cluster size) CLUSTER SIZE (N) Co-CHANNEL

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11. From the picture given below, find the Cluster size, N and the integers i and j

Hint: Co-channel reuse ratio

12. Study on the data and write the pros and cons of fixed and dynamic channel assignment strategies. (Analyze and Evaluate)

Answer

Page 11: SNS COLLEGE OF ENGINEERING, COIMBATORE … · Unscramble the tiles to reveal a message. (Understand) 8. Fill the co-channel reuse ratio and N(cluster size) CLUSTER SIZE (N) Co-CHANNEL

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FIXED CHANNEL ASSIGNMENT DYNAMIC CHANNEL ASSIGNMENT PROS:

FIXED CHANNEL ASSIGNMENT DYNAMIC CHANNEL ASSIGNMENT CONS:

PROS:

DYNAMIC CHANNEL ASSIGNMENT CONS:

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TOPIC – 3 INTERFERENCE, TRUNKING & GOS, COVERAGE AND CAPACITY IMPROVEMENT

1. Find the terms related to trunking. (Remember)

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2. Match the following (Understand)

3. The co-channel interference can be reduced by the following methods. Explain the

same with justification. (Analyze and Apply)

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4.

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(Analyze and Apply)

STEPS FORMULA WORKING AREA

1.

2.

3.

4.

5.

6.

7.

Page 16: SNS COLLEGE OF ENGINEERING, COIMBATORE … · Unscramble the tiles to reveal a message. (Understand) 8. Fill the co-channel reuse ratio and N(cluster size) CLUSTER SIZE (N) Co-CHANNEL

Work sheet MEMORY TREE

Write the key points on each branch.

Page 17: SNS COLLEGE OF ENGINEERING, COIMBATORE … · Unscramble the tiles to reveal a message. (Understand) 8. Fill the co-channel reuse ratio and N(cluster size) CLUSTER SIZE (N) Co-CHANNEL

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