Applications of CDMA in wireless/personal communications


Language: Anglais
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416 p. · 23.5x15.6 cm · Hardback
The deployment of wireless communications over the last decade has been phenomenal. With over 28,000 new cellular subscribers a day, the public's desire Personal Communications Systems is keeping this frenzy alive. Enabling wireless providers to put 10 - 20 times the number of callers on the same network Code-Division Multiple Access (CDMA) has become THE technology standard for use in designing PCS systems.
1. Introduction to Code-Division Multiple Access Technology.
Introduction. Trends in Wireless Communications. Market Trends for Wireless Communications. Needs of Digital Technologies for Wireless Communications. Elements of a Wireless Network. Digital Technologies. Spread Spectrum Technology. Summary. References.

2. Spread Spectrum Systems.
Introduction. Types of Techniques Used for Spread Spectrum (SS). The Concept of the Spread Spectrum System. The Performance of Direct Sequence Spread Spectrum.
The Direct Sequence Spread Spectrum System. Coherent Binary Phase-Shift Keying. Quadrature Phase-Shift Keying.

The Performance of a Code-Division Multiple Access System. Pseudorandom Noise Sequences.
Properties of a Maximal Length Pseudorandom Sequence. Autocorrelation. Cross-correlation. Orthogonal Functions.

TIA IS-95 CDMA System.
Downlink. Uplink (Reverse).

Summary. References.

3. CDMA Standards.
Introduction. Background. Layering Concepts. Call Processing.
Mobile Station Initialization State. Mobile Station Idle State. System Access State. Mobile Station Control on the Traffic Channel State. Base Station Call States.

Service Configuration and Negotiation. Concept of System Identification and Network Identification. Registration. Wideband CDMA Standards. Summary. References.

4. System Architecture for Wireless Communications.
TR-45/TR-46 Reference Model. Elements of the Reference Model.

Standardization of the MSC-BS Interface.
Supported Architectural Configurations. Call Processing and Supplementary Services. Radio Resource Management. Mobility Management. Transmission Facilities Management.

Basic Services. Supplementary Services.

Summary. References.

5. Physical Layer of CDMA.
Introduction. Open Systems Interconnect Reference Model. Forward CDMA Channel and W-CDMA Channel.
Pilot Channel. Sync Channel. Forward Paging Channel. Forward Traffic Channel. Modulator.

The Reverse CDMA Channel.
Reverse Access Channel. Reverse Traffic Channel. Reverse Channel Modulator.

Channel Spacing and Frequency Tolerance. Power Control in CDMA. Modulation Parameters.
Convolutional Encoding. Bit Repetition. Block Interleaving. Randomizing. Orthogonal Codes. 64-ary Orthogonal Modulation. Long Codes. Direct PN Spreading. Baseband Filtering. Synchronization of CDMA Signals.

Summary. References.

6. Network and Data Link Layers of CDMA.
Introduction. Forward CDMA Channel.
Sync Channel. Paging Channel. Traffic Channel.

Reverse CDMA Channel.
Access Channel. Traffic Channel.

Forward W-CDMA Channel.
Layer-to-Layer Communications. Sync Channel. Paging Channel. Traffic Channel.

Reverse W-CDMA Channel.
Layer-to-Layer Communications. Access Channel. Traffic Channel.

Summary. References.

7. Signaling Applications in the CDMA System.
Introduction. End-to-End Operation of a Wireless System.
Basic Services. Unique Challenge. Supplementary Services. Handoffs.

Summary. References.

8. Voice Applications in the CDMA System.
Introduction. Voice Encoding.
Pulse Code Modulation. Adaptive Differential Pulse Code Modulation. Code-Excited Linear Predictor.

Summary. References.

9. RF Engineering and Facilities Engineering.
Introduction. Radio Design for a Cellular/PCS Network.
Radio Link Design. Coverage Planning.

Propagation Models.
Modeling for the Outside Environment. Models for Indoor Environment.

Link Budgets.
  • Discusses the practical applications of CDMA with current cellular systems and its advantage over other technologies for future PCS developments.
  • Authors are all at Lucent Technologies and are recognized as experts in the field.
  • Provides practical examples and a complete case study for PCS system design with CDMA.