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Old Airport Road, Bangalore


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About the Course

Program Overview & Objectives:
Orthogonal Frequency Division Multiplexing (OFDM) is the transmission technique for all emerging wireless technologies such as Wimax and LTE, because it facilitates very high data rates over a wireless medium. This is very exciting for wireless operators eager to deploy multimedia rich Internet content with Seamless access anywhere, anytime. This course introduces the fundamental concepts of OFDM and OFDMA systems. Discussion topics include orthogonality, types of subcarriers, the challenges of radio propagation and OFDM-based solutions. OFDMA basics are described, which include scalability, frame structure and resource allocation strategies. This course steps through the key OFDM operations in an end-to-end transmission. This course also discusses key multiple antenna concepts and techniques that help achieve higher spectral efficiency in OFDM systems.
Learning Objectives:
• Walk through the evolution of radio technologies
• Describe the concept of OFDM
• Define various terms used in OFDM-based systems
• Outline the challenges of radio propagation and how OFDM overcomes these challenges
• Explain OFDMA concepts
• Step through various operations of OFDM-based systems
• List multiple antenna techniques used in OFDM systems
• Detail key multiple antenna techniques

Topics Covered

Program Contents:
1. Introduction
• Motivation and Overview
• Evolution of radio technologies
• Concepts of FDMA, TDMA and CDMA
• OFDM technology landscape
2. OFDM Fundamentals
• What is OFDM?
• What is orthogonality?
• Time and frequency domain views
• Sub carrier types
• Inter Symbol Interference (ISI)
• Guard Time/Cyclic Prefix
• IFFT and FFT
• OFDM transmitter processing
• OFDM receiver processing
• 2.10. OFDM system design example
3. OFDMA Basics
• What is OFDMA?
• Scalable OFDMA
• Frame structure
• OFDMA resources (frequency, time)
• Resource allocation strategies
• Signaling of resource allocation
4. OFDM System Operations
• OFDM device operations overview
• System acquisition stage
• Downlink traffic operations
• Uplink traffic operations
• Handover techniques
• Power control
5. Multiple Antenna Techniques
• Motivation
• Transmit & receive diversity
• Beam forming
• MIMO-Spatial multiplexing

Who should attend

This course is designed for those seeking an understanding of OFDM concepts. This includes those in product management, design, development, test, system engineering of wireless networks. This is also beneficial to the advanced technology engineers of wireless service providers.



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About the Trainer

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Our Consultant


Our Consultant,, is a highly motivated system architect with over 13 years of experience in commercial embedded software development of 2G/3G base stations at L1 and MAC Stack. He is an expert with rich experience in EVDO, CDMA2000, LTE, 3GPP LTE, WiMaxand WCDMA standards, WiMax and 3G Femtocell standards.
Our Consultant was previously employed with Tata Elxsi and Alcatel Lucent in various capacities.

Course Id: 8954