Book: Perfect Radio Communication Coding

Contents

Preface

1.  Introduction

    1.1 Innovation for Beyond 3G CDMA Technologies
    1.2 Objective of CDMA Innovation

2. Codes for CDMA

     2.1 Signal Analysis of CDMA Codes
     2.2 Conventional Spread Spectrum Sequences
     2.3 DS-CDMA Systems
     2.4 Other Spread Spectrum Systems

3. Difficulties within Conventional CDMA and LTE Technology  

    3.1 Shortcomings of Conventional CDMA and LTE Technology
     3.2 Near-Far Effect
     3.3 Multiple Access Interference
     3.4 Multipath Interference
     3.5 Reception of Asynchronous Data Streams
     3.6 Shortcomings of OFDMA in the LTE Standard
     3.7 Solution with Interference-free Operation through Super-Orthogonality

4. Perfect Despreading Resulting in Super-Orthogonality

     4.1 Perfect Despreading Method
     4.2 Despreading Receiver in Synchronous Mode
     4.3 Asynchronous Mode and Symmetry Test Logic
           4.3.1 Problem of Synchronous, Periodic Mode
           4.3.2 Symmetry Test Logic
           4.3.3 Intracell Interference
     4.4 Asynchronous Mode and Super-Orthogonal Solution
           4.4.1 Ambiguity of Synchronous, Periodic Mode
           4.4.2 Asynchronous Mode with Conjunction Logic

5. Effect of Bit Errors

     5.1 Random Chip Errors
     5.2 Burst Errors
     5.3 Bit Error Rate

6. Orthogonal Variable Spreading Factor Codes

7. Multi-code M-ary CDMA System for High Speed Data Transmission

8. Conclusion

Appendix

     Creation of Arbitrary Long Golay Codes

References