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1. LTE
Long Term Evolution
Prepared by:
Eng:AbdulEllah Qasim
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2. Course Contents
• Introduction to LTE[3 GPP Releases]
• LTE Enabling Technologies
• LTE Network structure
• LTE Radio Interface
• LTE Procedures
• LTE Physical Layer
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3. 3 GPP Family
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4. How to increase the data rates ??
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The main target of wireless evaluation
To increase the data rate
LTE Introduction

5. Why more data rates ??
More Applications
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 More Users
 Better Performance
 High BW Efficiency
LTE Introduction

6. Testing BW Efficiency !!
BW efficiency =rate/BW Bit Per second /HZ
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 For GSM
 For UMTS
 For LTE
LTE Introduction

7. LTE Evolution
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8. LTE Evolution
• GSM
• Digital System
• TDMA
• 9.6 Kbps
• GPRS
• Coding schemes (C1-C2-C3-C4)
• Channel bundling
• Packet switching
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9. LTE Evolution
• EDGE
• GMSK & 8PSK Modulation based on S/N and distance from BS
• UMTS
• W-CDMA
• Mixed Services PS - CS
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10. LTE Evolution
• HSDPA
• Codes Bundling
• Fast (Node B)
• Fair channel dependence scheduling
• Short sub-Frames
• Adaptive modulation
• HSPA+
• Higher Modulation order
• MIMO
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11. 1 Why 3G LTE?
1.2 3G Limitations and LTE Response
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12. 3 GPP Releases
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13. 2 Standardization
2.2 3 GPP Release Concept
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14. LTE Evolution
• LTE
oOFDMA/SC-FDMA
• LTE Advanced
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15. LTE Evolution
Carrier aggregation
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16. LTE Evolution
COMP “Coordinated multipoint”
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17. LTE Evolution
“D2D”
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18. LTE Evolution
“Relays”
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19. LTE Evolution
“Femto Cells”
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20. LTE Evolution
“Cognitive radio”
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21. LTE Features
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22. LTE Features
Duplex Technique
FDD & TDD
Multiple Access
OFDMA / TDMA (DL)
SC-FDMA / TDMA (UL)
Modulation
BPSK Signaling Only
OFDMA + QPSK Traffic
16 QAM Traffic
64 QAM Traffic
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