Transport of Digital Information for Untethered Personal Communications

NCSA Network Development
Technical Whitepaper
February 1, 1998

Jay Moorman
John Lockwood

The full version of this paper is only available to participating NCSA Industrial Partners

Outline

  1. Introduction
    1. Wireless vs. Wireline
    2. Wireless Personal Communications
      1. Communication Environment
      2. Components of a Wireless Network

  2. Technology Issues

  3. Media Access
    1. Fixed-assignment multiaccess
      1. Frequency Division Multiple Access (FDMA)
      2. Time Division Multiple Access (TDMA)
      3. Frequency Hopping Spread Spectrum
      4. Code Division Multiple Access (CDMA)
    2. Demand-assignment multiaccess
      1. Slotted Channels
      2. Carrier Sense Multiple Access/Collision Detect (CSMA/CD)
    3. Wireless multiaccess issues

  4. IEEE 802.11 Wireless Local Area Networks}{14}
    1. Architectural Components
      1. Station
      2. Distribution System
      3. Access Points
      4. Services
        1. Distribution System Services
        2. Station Services
        3. Service Relationships
      5. Architectural Summary
    2. LAN Medium Access Control (MAC) Sublayer
      1. MAC Sublayer Services
      2. MAC Sublayer Frame Format
      3. MAC Sublayer Functional Description
        1. Distributed Coordination Function
        2. Point Coordination Function
        3. Alternating Coordination Functions
        4. Fragmentation / Defragmentation
        5. Synchronization
        6. Power Management
    3. Physical Layer
      1. Frequency Hopping Spread Spectrum
        1. Physical Layer Convergence Procedure (PLCP) Sublayer
        2. Physical Layer Management Entity (PLME)
        3. Physical Medium Dependent (PMD) Sublayer
      2. Direct Sequence Spread Spectrum
        1. Physical Layer Convergence Procedure (PLCP) Sublayer
        2. Physical Layer Management Entity (PLME)
        3. Physical Medium Dependent (PMD) Sublayer
      3. Infrared
        1. Physical Layer Convergence Procedure (PLCP) Sublayer
        2. Physical Layer Management Entity (PLME)
        3. Physical Medium Dependent (PMD) Sublayer

  5. Protocols for Wireless Networks
    1. Static IP
    2. Mobile IP
    3. ATM
      1. Physical Channel
      2. Location Management
        1. Connections Setup:
        2. Tracking:
          1. IS-41:
          2. Private Network-to-Network Interface (PNNI):
      3. Handoff Management
      4. Quality of Service (QoS)

  6. Wireless Network Design Issues
    1. Interconnection to Existing Wireline Networks
    2. Scalability of LANs to WANs
    3. Coverage Area
    4. Number of Users
    5. Network Topology
    6. Security

  7. Low Bit-rate Wireless Technologies
    1. Cordless Technology
      1. CT-2
      2. CT-3 / DECT
      3. Personal HandyPhone System (PHS)
    2. Cellular Technology
      1. AMPS / TACS
      2. GSM / DCS-1800
      3. CTIA IS-54 / IS-136 (D-AMPS)
      4. IS-95 CDMA
      5. Personal Digital Cellular (PDC)
    3. Data Communication Technology
      1. Personal Communication Services (PCS)
      2. PCS-1900 / DCS-1900
      3. Cellular Digital Packet Data (CDPD)
      4. IS-634 / IS-651

  8. Commercial Wireless LAN Products
    1. Proxim RangeLAN2 Products
      1. RangeLAN2 Access Point
      2. RangeLAN2 7200 PCMCIA Card
      3. RangeLAN2/ISA Adapter Card
    2. Lucent Technologies WaveLAN Products
      1. WavePOINT Access Point
      2. WaveLAN/PCMCIA Card
      3. WaveLAN/ISA Adapter Card
    3. Netwave AirSurfer Products
      1. Netwave AirSurfer Access Point
      2. Netwave AirSurfer Wireless LAN PCMCIA Adapter

  9. Conclusions