List of Figures

• Basic Communication Model
• Indirect Message Conveyance
• ARQ Message Acknowledgment
• Windowing-Based Message Acknowledgement
• Ethernet MAC System
• Token Ring MAC System
• Network Layer ``Cloud'' Diagram
• Layer (N) Protocol Primitives
• Protocol and Service Data Units
• Roles in Mobility and Message Flow
• Directions of Mobile Transmission
• The Application Awareness Approach to Mobility
• The Directory Lookup Approach to Mobility
• The Mailbox Service Approach to Mobility
• The Administrative Redirection Approach to Mobility
• Two Basic Aspects of Mobile Communications
• IP Network Address
• Conventional Data Network Routing
• Permanent Address Scheme (PAS)
• Temporary Address Scheme (TAS)
• Embedded Network Scheme (ENS)
• Packet Encapsulation in CDPD
• Address Substitution in Mobile IPX
• The Mobility Cube
• Range of Mobility
• Radio Frequency Spectrum
• The Protocol Hour-Glass
• AMPS Architecture
• Frequency Reuse
• Cell Handoff Strategies
• MCI's Xstream Air Network
• Time vs. Frequency for an FDMA System (e.g., AMPS)
• Time vs. Frequency for a TDMA System (e.g., IS-54/136)
• Time vs. Frequency for a FH-CDMA System
• Time vs. Frequency for a DS-CDMA System (e.g., IS-95)
• LAPDm Frame Format
• LAPDm Address Field
• CDPD coverage at year-end 1995
• The CDPD System
• CDPD Interface Model
• CDPD Network Layer Reference Model
• CDPD Example Interface Profiles for Network Services
• CDPD Network Elements
• CDPD Reference Architecture
• Mobile End System Architecture
• CDPD Traffic Flows
• CDPD Cellular Network Overlay
• CDPD Network Routing Architecture
• CDPD Protocol Architecture
• CDPD Support Protocol Architecture
• M-ES Registration
• End System Hello (ESH) Message Format
• Redirect Request (RDR) Message Format
• Redirect Confirm (RDC) Message Format
• MD-IS Hello Confirm (ISC) Message Format
• Home MD-IS and serving MD-IS
• CDPD Data Routing
• Intra-area Mobility
• Intra-area Cell Transfer Protocol Events
• Inter-area Mobility
• Inter-area Cell Transfer Protocol Events
• Redirect Flush (RDF) Message Format
• Configuration Timer Expiry Protocol Events
• Redirect Query Protocol Events
• Example Home Domain Directory-Initial State
• Example Home Domain Directory-Updated State
• Registration Directory
• Location Directory
• Multicast Data Redirection and Forwarding
• Airlink Protocol Profile
• Physical RF channels
• Token Passing Networks
• Time Based Demand Assigned with Reservation Example
• Frequency Based Demand Assigned with Reservation Example
• Forward Channel Transmission Structure
• M-ES Procedure for Reverse Channel Access
• Reverse Channel Transmission Structure
• Decode Status Flag Timing Relationship
• MDLP Frame Format
• Overview of States of the Point-to-Point Procedures
• Sleep Mode Operation
• Encoding of SN-Data PDU
• Encoding of SN-Unitdata PDU
• Encoding of Compressed TCP/IP Protocol Header
• Typical Uncompressed CLNP PDU Header
• Encoding of Compressed CLNP Header
• SNDCP Model for use of Acknowledged Data Link Services
• Packet Transformation Data Flow
• Theoritical Cell Selection
• Example of Absolute Received Signal Strength Based Selection
• Example of Comparative Received Signal Strength Selection
• Example of Hysteresis Region of 10 dB
• Example of Received Signal Strength Parameter of -10 dB
• Channel Stream Identification Message
• Cell Configuration Message
• Channel Quality Parameters Message
• Channel Access Parameters Message
• Cellular Channel Assignment
• Channel Hopping example
• Circuit Switched CDPD Components
• CM-ES Initial Connection
• CM-ES Initiated Reconnection
• CMD-IS Initiated Reconnection
• Redirect to Local Modem Bank
• Redirect to Local CMD-IS
• CSCCP Link Reset Procedure
• A Public Key Cryptographic System (PKCS)
• A Digital Signature Mechanism
• CDPD Security Protocol Events
• CDPD Key Exchange
• CDPD Network Management Model
• CDPD Accounting Model
• Message Structure
• MHS Architecture
• Directory and Users
• Directory Model
• LSM World with Global Messaging World
• Messaging Communication Stack and LSM
• Status Notification System Architecture
• Example of messaging to an OC-ES
• CDPD Subscriber Area Location Service
• Metricom Ricochet
• Telocator Data Protocol
• ARDIS Architecture
• ARDIS Communications Architecture
• RAM Architecture
• Mobitex Communications Architecture
• Mobile IP Routing to Mobile Node
• Mobile IP Routing to Correspondent Node