2. the bottleneck of capacity
3. Examine capacity of FDMA, TDMA, and CDMA
- TDMA:FDMA 7(theoretically), 3(practically)
- CDMA:FDMA 40(theoretically), 10 (practically)
4. Why cellular is better than broadcast?
5. Digital wireless with TDMA, CDMA
- advanced of digital ICs
- price drop
6. Major issues with CDMA
7. and their solutions
- Power control
- soft handoff
8. Make use of dead time in telephone conversations, about 65% of the time
- variable-rate coder
reference: Chap. 1~Chap. 6, Dave Mock, the Qualcomm Equation, AMACOM, 2005
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