Introduction to Broadband

Learning Objectives•Give a general description of what

broadband is•Explain several types of broadband

services•Describe issues associated with

broadband services.

What is Broadband?

The term broadband refers to a telecommunications signal of greater bandwidth than another standard or usual signal.

What is Broadband?

Broadband Overview

Definition of Broadband•No formal definition.•FCC National Broadband Plan:

▫100 million households▫100 Mbit/s connections

Types of Broadband•Telecommunication•DSL (Digital Subscriber Line)•Internet Cable Service•Ethernet•Power-line communication•Video•Other Internet Connections

Telecommunications:Frequency

TelecommunicationsFrequency

Telecommunications:Frequency•Relative frequencies using light as an

example:

Telecommunications:Bandwidth

Telecommunication:Bandwidth

Telecommunications:Bandwidth

Telecommunications:Throughput

Telecommunications:Voiceband

Telecommunication:Multiplexing

Telecommunication:T-Carriers

Digital Subscriber Line(DSL)

DSL:Asymmetric DSL

DSL:Symmetric DSL

DSL:Network Architecture

DSL:Bandwidth vs Distance

Cable Internet Access

Hybrid Fiber Coax

Satellite Internet

Satellite Internet:Signal Latency

3G

4G

4G

Worldwide Interoperability for Microwave Access(WiMAX)

Fiber To The X (FTTX)

Optical Fiber

Shared Internet Access

Issues:Attenuation

Issues:Electromagnetic Radiation

Issues:Radio Frequency Interference

Technology Comparison

Broadband and Healthcarewww.broadband.gov

Broadband and HealthcareSpeed Test: http://www.broadband.gov/qualitytest/about/

Broadband and HealthcareHealthcare: www.broadband.gov/issues/healthcare.html

More Resources• "National Broadband Plan - Download the Plan." The National Broadband

Plan: Connecting America. Web. 15 July 2011. <http://www.broadband.gov/download-plan/>.

• What every engineer should know about data communications. Carl StephenClifton - M. Dekker - 1987

• The Cable/broadband communications book. Mary Louise.Hollowell - Knowledge Industry Publications – 1983

• Inquiry Concerning the Deployment of Advanced Telecommunications Capability to All Americans in a Reasonable and Timely Fashion, and Possible Steps to Accelerate Such Deployment Pursuant to Section 706 of the Telecommunications Act of 1996, as Amended by the Broadband Data Improvement Act". GN Docket No. 10-159, FCC-10-148A1. Federal Communications Commission. August 6, 2010. Retrieved July 12, 2011

Learning Objectives•Give a general description of what

broadband is•Explain several types of broadband

services•Describe issues associated with

broadband services.

Instructor Information•Walt Dundore•walt@dundore.org