Adaptive Receivers & Software Radio for Wireless Communications: Evolution of 3G/4G Technology

Course 102

Summary:

This comprehensive course will provide a comparative study of WCDMA, Advanced TDMA, Multicarrier (OFDMA MC CDMA) and Ultra Wide Band (UWB) receiver elements. Special focus is on the future co-existence of these systems in the evolution of 3G and the elements of the 4G like time-space-frequency coding, MIMO systems, adaptive coding, modulation and turbo equalization.
The emphasis is on the combination of these elements in the latest solutions of multi mode receiver for UMTS, WLAN and UWB systems in so-called reconfigurable/ selfreconfigurable structures, and further on evolution towards software receivers. Channel adaptive and system adaptive concepts will be discussed along with reconfigurable computing and ASIC. Applications are energy aware personal, indoor, and the 3G and 4G of land and satellite mobile radio communications. Cellular networks and wireless LAN will also be included.

Learning Objectives:

Upon completing the course, the participant will be able to:

• understand WCDMA, TDMA, and OFDMA principles and the advantages and disadvantages of using these techniques
• compare performance and complexity of WCDMA, TDMA, and OFDMA receivers for energy aware receiver design
• describe the relationship between the system performance, its complexity/reliability and cost effectiveness.
• understand the impact of existing and new coming technologies on the receiver structure
• discuss WCDMA, TDMA, and OFDMA applications in the evolution of the third generation of land and satellite mobile communications, personal communications, cellular radio networks, indoor communications, and wireless LAN.
• list available techniques for implementing 4G communications systems

Target Audience:

System engineers studying or working with current approaches and evolving directions for personal and indoor communications, the third generation of land and satellite mobile radio communications, cellular networks and wireless LAN will benefit from this course. An EE is required; this is not an entry-level course.

Outline:

Day One

Fundamentals
• General Structures of CDMA/ATDMA/OFDMA (MC CDMA) UWB Signals • Examples of The Existing Solutions and Standards • Software Radio • Integrated CDMA/TDMA/OFDMA (MC CDMA)/UWB Receivers • Code Construction and Synchronization
Adaptive Coding and Modulation
• Convolutional and Turbo Coding • Code Reconfiguration • Trellis Modulation/Trellis with Multi-Dimensional Constellations • Adaptive Coded Modulation • Complexity Performance Trade-Off • Feedback and Fuzzy Logic Power Control • Channel Estimation in Fading

Day Two

Space Time (ST) Coding
• Orthogonal/Quasiorthogonal Sets • Algebraic Block Codes • Convolutional ST Codes • Differential ST Coding • Smart Antenna Arrays • MIMO Channels • Channel Estimation • Concatenated ST Codes and Turbo Decoding

Day Three

Equalization and Channel Estimation
• Sequential MMSE Estimation • Per survivor processing • Kalman estimator • Channel Estimation and Equalization • Turbo Equalization • Minimum Entropy Equalization
Multi-User Detection
Optimum Multiuser CDMA Receivers
• MMSE Multiuser Detectors • Implementation Losses • Sensitivity Function of WCDMA System

Day Four

OFDM Receivers
• Transceiver Structure • Synchronization • Subcarrier Modulation • Applications and Standards
Transceiver Structure and Performance
• Coded MC CDMA • Nonlinear Effects • Multiuser MC CDMA Detectors

Day Five

Adaptive Time-Space-Frequency Coding
• Transceiver structure • Performance
Impulse Radio (UWB)
• Modulation • Multiple Access • Channel Measurements
Beam Forming, Self-Steering Arrays
Adaptive / Reconfigurable Software Radio
• Energy aware design • Complexity control • Reconfigurable Computing and ASIC Micro Reconfigurability
Channel Modeling and Measurements for 4G
Adaptive Access Control, Fuzzy Logic and Kalman Filter

Additional Topics by Special Request

• A Low-Power DSP Core-Based Software Radio Architecture • Software Radio Architecture with Smart Antennas • The Software Realization of a GSM Base Station • RF Requirements for UTRA/FDD Transceivers • Software Realization of WCDMA (FDD) • Designing a DS-CDMA System over FPGA Platforms • Channel parameters for 4G

Subject Areas Covered

Software Defined Radio and Next Generation Hardware
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