Transport of Digital
Information for Untethered
Personal Communications
Jay Moorman
John Lockwood
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Industrial Partners
Outline
- Introduction
- Wireless vs. Wireline
- Wireless Personal Communications
- Communication Environment
- Components of a Wireless Network
- Technology Issues
- Media Access
- Fixed-assignment multiaccess
- Frequency Division Multiple Access (FDMA)
- Time Division Multiple Access (TDMA)
- Frequency Hopping Spread Spectrum
- Code Division Multiple Access (CDMA)
- Demand-assignment multiaccess
- Slotted Channels
- Carrier Sense Multiple Access/Collision Detect (CSMA/CD)
- Wireless multiaccess issues
- IEEE 802.11 Wireless Local Area Networks}{14}
- Architectural Components
- Station
- Distribution System
- Access Points
- Services
- Distribution System Services
- Station Services
- Service Relationships
- Architectural Summary
- LAN Medium Access Control (MAC) Sublayer
- MAC Sublayer Services
- MAC Sublayer Frame Format
- MAC Sublayer Functional Description
- Distributed Coordination Function
- Point Coordination Function
- Alternating Coordination Functions
- Fragmentation / Defragmentation
- Synchronization
- Power Management
- Physical Layer
- Frequency Hopping Spread Spectrum
- Physical Layer Convergence Procedure (PLCP) Sublayer
- Physical Layer Management Entity (PLME)
- Physical Medium Dependent (PMD) Sublayer
- Direct Sequence Spread Spectrum
- Physical Layer Convergence Procedure (PLCP) Sublayer
- Physical Layer Management Entity (PLME)
- Physical Medium Dependent (PMD) Sublayer
- Infrared
- Physical Layer Convergence Procedure (PLCP) Sublayer
- Physical Layer Management Entity (PLME)
- Physical Medium Dependent (PMD) Sublayer
- Protocols for Wireless Networks
- Static IP
- Mobile IP
- ATM
- Physical Channel
- Location Management
- Connections Setup:
- Tracking:
- IS-41:
- Private Network-to-Network Interface (PNNI):
- Handoff Management
- Quality of Service (QoS)
- Wireless Network Design Issues
- Interconnection to Existing Wireline Networks
- Scalability of LANs to WANs
- Coverage Area
- Number of Users
- Network Topology
- Security
- Low Bit-rate Wireless Technologies
- Cordless Technology
- CT-2
- CT-3 / DECT
- Personal HandyPhone System (PHS)
- Cellular Technology
- AMPS / TACS
- GSM / DCS-1800
- CTIA IS-54 / IS-136 (D-AMPS)
- IS-95 CDMA
- Personal Digital Cellular (PDC)
- Data Communication Technology
- Personal Communication Services (PCS)
- PCS-1900 / DCS-1900
- Cellular Digital Packet Data (CDPD)
- IS-634 / IS-651
- Commercial Wireless LAN Products
- Proxim RangeLAN2 Products
- RangeLAN2 Access Point
- RangeLAN2 7200 PCMCIA Card
- RangeLAN2/ISA Adapter Card
- Lucent Technologies WaveLAN Products
- WavePOINT Access Point
- WaveLAN/PCMCIA Card
- WaveLAN/ISA Adapter Card
- Netwave AirSurfer Products
- Netwave AirSurfer Access Point
- Netwave AirSurfer Wireless LAN PCMCIA Adapter
- Conclusions