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Technology
Courses
UMTS
SYSTEMS - ADVANCED
Target
Audience
Engineers and technicians working with RF planning for cellular systems.
Pre-requirements
Basic knowledge on RF propagation and CDMA systems.
Goals
Describe the main characteristics of UMTS (Universal Mobile Telephone
Service) systems and compare fundamental features of UMTS and CDMA-2000.
Course
Syllabus
- Cellular systems evolution history and demand perspectives
for data and voice;
- Evolution of GSM.GPRS/EDGE, CDMA2000, and UMTS systems;
- Terminal types;
- Frequencies available worldwide for UMTS systems;
- Packet networks: CDMA2000 and UMTS/GSM – network
topology examples;
- Modulations used in CDMA IS-95, CDMA-2000 (1x, 3x,
1xEVDO, 1xEVDV), and UMTS (FDD, TDD) systems;
- Spread spectrum systems characteristics:
- Codes and correlation characteristics;
- Processing gain in direct sequence systems;
- Multiple access techniques and protection against
multipath interference;
- Privacy, interference rejection, and interception
probability;
- Rake receivers characteristics;
- Power control (downlink, uplink);
- Inter-systems handover;
- Description and processing of channels;
- 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 GSM/GPRS/EDGE, CDMA
2000, and UMTS systems.
Length
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