Hard Numbers and Experts' Insights on Migration to 4G Wireless Technology





Table of Contents

Published Q1, 2005. 46 pages, 8 figures and 8 tables.

EXECUTIVE SUMMARY        

INTRODUCTION  

TECHNOLOGY EVOLUTION 3G TO 4G            

CDMA, OFDM AND MIMO  

     OFDM               

     OFDM Compared to CDMA         

     MIMO

     Platform Evolution and Industry Adoption 

EXPERT INSIGHTS             

     Airgo Networks, Dr. Greg Raleigh              

     Lucent, Dr. Paul Mankiewich       

     Nortel, Charlie Martin    

     Qualcomm, Dr. Roberto Padovani             

     Viterbi Group, Dr. Andrew Viterbi

     Wi-LAN, Dr. Sisso Sayed-Amr El-Hamamsy           

PERFORMANCE COMPARISON       

     Throughput Comparison             

     Latency Comparison    

SPECTRAL EFFICIENCY COMPARISON         

     Summary and Comparison        

     Methodology to Calculate Spectral Efficiency          

     Spectral Efficiency Techniques  

     Competitive Discussion of Spectral Efficiency        

     GSM Family Spectral Efficiency Discussion            

     CDMA 2000 Family Spectral Efficiency Discussion               

     IEEE 802.16e Spectral Efficiency Discussion         

     IEEE 802.20   

     Flash OFDM   

CELL DENSITY COMPARISON         

     Cell Size Summary       

     Cells for Coverage Area               

     GSM Family Cell Coverage Discussion   

     CDMA2000 Family Cell Coverage Discussion       

     IEEE 802.16 Family Cell Coverage Discussion     

     IEEE 802.20   

CELL CAPACITY LIMITS    

     Maximum Number of Users        

     Methodology Used for Typical Users        

     Summary Table             

REFERENCES      

Figures

Figure 1: Some Technology Evolution Paths to 4G

Figure 2: OFDM Frequency Spacing That Minimizes Interference Between Tones

Figure 3: Multiple Communications Paths in a MIMO System

Figure 4: MIMO Implementation Complexity: OFDM versus CDMA

Figure 5: Scenario for Industry Growth, Technology Life Cycles and Investment

Figure 6: Latency Comparison (WiMAX Latency Data Not Available)

Figure 7: Comparison of 1xEV-DO and UMTS Spectrum Usage

Figure 8: 1/3 Reuse Pattern

 

Tables

Table 1: Pros and Cons of CDMA, OFDM and MIMO

Table 2: Throughput Comparison

Table 3: Summary and Comparison of Spectral Efficiency, Per Sector, in 10 MHz

Table 4: Mechanisms for Improving Spectral Efficiency

Table 5: Raw Capacity of the IEEE 802.16 Radio Channel (Mbps)

Table 6: Cell Size for Different Technologies

Table 7: Input Assumptions Users

Table 8: Users Served Per Sector in 10 MHz for Different Technologies




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