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Technology
Courses
CDMA-2000
SYSTEMS - ADVANCED
Target
Audience
Engineers and technicians with basic knowledge of IS-95 systems (codes,
forward and reverse channels, power control, et al.)
Pre-requirements
Basic knowledge on RF propagation and CDMA IS-95 systems.
Goals
Describe the main characteristics of CDMA-2000 and compare fundamental
features of CDMA IS-95 and CDMA- 2000 systems.
Course
Syllabus
- CDMA evolution history and demand perspectives
for data and voice;
- Resources offered to subscribers and type of terminals;
- Delays accepted according to service class;
- Packet networks: CDMA2000 and UMTS/GSM –
network topology examples;
- Modulations used in IS-95, CDMA-2000 (1x, 3x, EVDO,
EVDV), and UMTS (FDD/TDD) systems;
- Spread spectrum systems characteristics:
- Codes correlation and processing gain in direct
sequence systems;
- Orthogonal codes, chip rates, and turbo codes;
- Multiple access techniques and protection
against multipath interference;
- Privacy, interference rejection, and interception
probability;
- Rake receivers used in IS-95 and CDMA-2000;
- Power control (downlink, uplink) in IS-95 and
CDMA-2000;
- Handoff: classifications and occurrences between
2G and 3G;
- Description and processing of channels used in
IS-95 and CDMA-2000;
- Voice transmission: codes, capacity in Erl and
compromise between voice and data;
- Data transmission: taxes, multi-rate capacity and
high data rate accommodation;
- Basic schemes of call processing involving voice
and data;
- Evolution and co-existence of IS-95 and CDMA-2000
(1X, EVDO, EVDV) systems including hardware, software and handoff
considerations;
- Link budget in IS-95 and CDMA-2000.
Length
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