目錄
PowerPoint 簡報
What is PCS ?
Evolution(Developing Steps) of Personal Communications
Evolution of Cellular Communications
實現全球漫遊之道 -衛星與陸地行動通訊業者攜手合作 銥計劃(Iridium Plan)與全球之星(Global Star)
衛星行動通信業務 （MSS；Mobile-Satellite Service）
Kepler’ Law
LEO / MEO / GEO / HEO
LEO / MEO / GEO / HEO (cont.)
Iridium Satellite Constellations ( A rendering of the final Iridium design, with 66 active satellites in 6 planes of 11)
GlobalStar Satellite Constellations (A rendering of the final Globalstar design, with 48 active satellites in 6 planes of 8.)
ICO Satellite Constellations (A rendering of the final ICO design, with 10 active satellites in two planes of 5.)
Teledesic Satellite Constellations (A rendering of the originally-announced Teledesic design, with 840 active satellites in 21 planes of 40. The Boeing redesign uses 288, in 12 planes of 24. )
Orbcomm Satellite Constellations (A rendering of the originally-announced Teledesic design, with 840 active satellites in 21 planes of 40. The Boeing redesign uses 288, in 12 planes of 24. )
Orbital Altitude for Satellite Constellations
Comparison of Iridium and Globalstar
PowerPoint 簡報
Name of Iridium
Iridium System
Iridium System (one satellite 48 cover cell, about 4700km)
PowerPoint 簡報
Iridium Technical Summary
Iridium
Iridium
Iridium Satellite Operation Center
MDA (MESSAGE DELIVERY AREAS)
MDA (Detail of the Caribbean and surrounding areas)
MDA (Detail of Europe and surrounding areas)
MDA (Detail of Western Africa and surrounding areas)
MDA (Asia,Australia,the Indian Ocean;portions of the Arctic and Pacific Oceans)
MDA (Detail of Southeast Asia and surrounding areas)
Aeronautical Message Delivery Areas (A traveler flying from Miami, Florida, USA to Buenos Aires, Argentina would select two MDAs2030 and 2040. After arriving, aeronautical MDAs should be deleted.)
Aeronautical Message Delivery Areas (Using MDAs A traveler flying from Germany to Singapore would select two MDAs2130 and 2140. After arriving, aeronautical MDAs should be deleted.)
Aeronautical Message Delivery Areas (Using MDAs A traveler flying from South Korea to New Zealand would select two MDAs2310 and 2210. After arriving, aeronautical MDAs should be deleted.)
What is Iridium Global communications in the past:
What is Iridium Global communications with Iridium
ISU(Iridium Subscriber Unit) THE MOTOROLA SATELLITE SERIES 9500
ISU(Iridium Subscriber Unit) KYOCERA DUAL-MODE IRIDIUM TELEPHONE (Iridium phones by Kyocera are available for GSM, AMPS, and PDC)
Iridium的執照問題
Iridium 互補，而非競爭 具革命性，但不完美
Iridium 使用上的限制
INTRODUCTION TO GLOBALSTAR
Global Coverage Area Map
Globalstar
Globalstar衛星行動通信網與其他衛星行之比較
Globalstar
Globalstar Gateways
概 述
衛星
衛星軌道
GOCC / SOCC / GDN
Globalstar Products
INTRODUCTION TO Global Positioning System (GPS)
GPS Elements
Worldwide GPS Sales
GPS is a Satellite Navigation System
GPS is a Satellite Navigation System (cont.)
GPS Nominal Constellation
Simplified Representation of GPS Constellation
Simplified Representation of GPS Constellation
GPS Satellites and Ground Tracks
Space Segment : Space Vehicles (SVs)
Control Segment GPS Master Control and Monitor Network
GPS CONTROL
GPS Navigation
Precise Positioning Service (PPS) and Standard Positioning Service (SPS)
GPS Satellite Signals
GPS C/A Code Generator
GPS Satellite Signals(cont.)
GPS Navigation Data Format
GPS Receiver Block Diagram
Earth Centered, Earth Fixed X, Y, Z
Pseudo-Range Navigation Solution Example
Differential GPS Positioning
GPS Accuracies, Costs, and Signals
GPS Products
PowerPoint 簡報
Terminology/Glossary
Terminology/Glossary(cont.)
Terminology/Glossary(cont.)
Terminology/Glossary(cont.)
Terminology/Glossary(cont.)
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