Transcript 06a-WirelessNetworkManagement-GMethe

Network Management
of Wireless Network
Gerald Methé
Bell Mobility
Short Biography
• Graduated from Cambrian College
of Applied Arts & Technology (Sudbury, ON)
– Electronic Engineering Technologist (3 year program)
•
Worked at CML Technology (Technologist & Programmer)
– Air Traffic Control System (Com-node 2)
– Mobile Radio System (Motorola MRCC)
– Liberty System (911)
•
Worked at the Gatineau Hospital (Bio-Med Technician)
– Laboratory Equipment
– OR, ER & ICU Equipment
– Telephone System (SL1)
• Started at Bell Mobility in 1993 (Switch & RAN Technician)
History of Mobile Phones
• Analog Cellular Networks – 1G (1985)
– Advanced Mobile Phone System (AMPS)
– Used Frequency-division Multiple Access (FDMA)
– Unencrypted, Vulnerable to Eavesdropping via
Scanners and Susceptible to Cell Phone “Cloning”.
– Talk Time of 30 minutes / 10 hours to charge.
History of Mobile Phones
• Digital Cellular Networks – 2G (1990s)
– Two Systems Competed in Global Market:
• European developed GSM
(Global System for Mobile Communication)
• U.S. & Canada developed CDMA
(Code Division Multiple Access)
– Prepaid Mobile Phones / SMS (Text Messaging)
– Access to Media Content – Web Browsing (56Kbps)
– Hand-held Devices have more Advanced Batteries
(increased battery life whilst on the move)
Today’s Mobile Phones
• Mobile Broadband Data – 3G (2000s)
– Packet Switching vs. Circuit Switching
(for Data Transmission)
– EV-DO Rev A (2.5 Mbps – 3Mbps)
aka. CDMA2000
– HSPA (High-Speed Packet Access) (2Mbps – 14Mbps)
aka. WCDMA
– Media Streaming of Audio & Video
– USB Port Mobile Internet / Netbooks
– Smartphones, iPhones & iPads
Today’s Mobile Phones
• Native IP Networks – 4G (2010s)
– WiMAX (offered in US by Sprint)
– LTE (Long Term Evolution)
– Will eliminate Circuit Switching and Employ an
All-IP Network (Voice calls treated as Data / VoLTE)
– Downlink speeds (Bell LTE network currently
provides speeds of 75Mbps – 150Mbps)
– Mobile TV
CDMA Network (2G / 3G)
HSPA/LTE Network (3G / 4G)
HSPA/LTE Network (3G / 4G)