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Including VoIP over WLAN in a Seamless Next-Generation Wireless Environment
Sponsored by:
Texas Instruments

Table of Contents:
Definition and Overview
1. WLAN Network Capacity Analysis
2. Network Interfaces, Architechtures and Timing Issues
3. Access Time Delay
4. VoIP Protocols and Wide Area Networks
5. Deploying VoIP over WLANs Today
6. Conclusions
Self-Test
Glossary
Download PDFPDF of this tutorial
Self-Test
1. When planning a network, the theoretical performance figures are typically de-rated to ______________ of the peak capacity:
a. 100%
b. 25%-35%
c. 60%-70%
d. 70%-80%
2. When deploying Access Points (APs) for 5.x GHz 802.11a networks, the ___________-frequency plan is used.
a. three
b. four
c. seven
d. nine
3. A Dual-Frequency residential mesh network requires that all APs support two frequencies simultaneously.
a. True
b. false
4. Under normal operations, the roundtrip delay in a voice system should be:
a. Less than 150 msec
b. Less than 400 msec
c. Greater than 400 msec
d. Less than 250 msec
5. Currently, WLANs have delays for handoffs nearly ____ times greater than handoffs in cellular systems.
a. 4
b. 5
c. 8
d. 10
6. In WLAN and handset design, the following represents the time period required for an inter-domain update:
a. Ts
b. Tf
c. Th
d. Tmc
7. SIP supports IP mobility for VoIP WLAN applications by providing handoff capabilities at the ___________ layer
a. hardware
b. network
c. data link
d. application
8. The following WLAN network scheme is based on Mobile IP
a. Tightly Coupled
b. Loosely Coupled

Glossary >>

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