Course Content

• CDMA Review
  • IS-95 Orientation
  • North American standards (TIA)
  • Basic CDMA
  • Spectrum Spreading Process
  • Code Division Multiple Access
  • RAKE receiver
  • Soft handoffs
  • Single user-Single path
  • Single user- Multiple paths
  • Multiple users with single paths
  • Multiple users with Multiple paths
  • Multipath and Rake receivers
  • CDMA vs. Analog FDMA
  • CDMA vs. TDMA
• CDMA system overview
  • Locating and keeping track of a MS
  • Mobility management
  • Radio resource management
  • Features in a CDMA cellular system
  • Soft hand-offs
  • Power control
  • Forward and reverse links
  • Long and short codes
  • CDMA Channels
  • CDMA physical channels
  • CDMA logical channels
  • Shared vs. dedicated channels
  • Forward and Reserve logical channels
  • CDMA Physical Layer
  • CDMA protocol layering
  • Forward channels
  • Reverse channels
• PN Codes and Walsh Functions
  • IS-95 features
  • Pseudo Random (PN) codes
  • Orthogonal codes
  • Short PN codes
  • Long PN codes
  • Walsh functions
• The Forward Link
  • The Pilot channel
  • The Sync channel
  • The Paging channel
  • Forward traffic channels
  • Call and signaling states
• The Reverse Link
  • The Access channel
  • The Reverse traffic channels
  • Orthogonal modulator
  • Long codes
• Forward Traffic Channels
  • Forward link structure
  • Variable rate codec
  • Power control channel
• Power Control
  • The near-Far problem
  • Need for power control
  • Open loop power control (Reverse Link)
  • Closed loop power control (Reverse Link)
  • Forward link power control
  • Power control implications and tradeoffs
• CDMA Network Architecture
  • Basic structure
  • Switching Functions
  • BSC Functions
  • BTS Functions
  • Forward features
• CDMA Subscriber Unit Architecture
  • Basic structure
  • Vocoder operation
  • Transmitter operation
  • Receiver operation
  • Handoff protocol & messaging
• Mobile Station
  • Control on the traffic channel state
  • Forward traffic channel power control
  • Service options
  • Acknowledgment procedures
  • Processing the in-traffic system parameters message
  • Alerting
  • Conversation substate
  • Release substate
  • Mobile station states
  • Paging channel monitoring procedures
  • Acknowledgments
  • Registration
  • Idle handoff
  • Paging channel messages
  • System Parameters message
  • Access Parameters message
• CDMA Call Processing
  • Call processing flows
  • Registration
  • Utilized services
• Handoffs
  • Within one CDMA system
  • Multi-cell (soft) Handoff
  • Multi-Sector (softer) Handoff
  • CDMA to CDMA hard handoffs
  • CDMA to Analog hard Handoff
  • Handoff thresholds
  • Trade-offs and implications
  • Handoff Procedures
  • Pilot sets
  • Pilot search
  • Handoff messages
  • Set maintenance
  • Power control during soft handoff
  • Soft handoff scenarios
• Registration
  • Forms of registration
  • Systems and networks roaming
  • Registration timers and indicators
  • Registration procedures
• CDMA System Capacity

   

  • Key capacity parameters
  • Derivation and discussion
  • Soft capacity increase
  • CDMA vs. FDMA vs. TDMA capacity
  • System design and implementation issues
  • Transition planning from analog to CDMA
  • Field trials results
• CDMA Evolution
  • CDMA standards
  • Future of CDMA
  • Status of Cdma2000