ee555hw2fall2007

ee555hw2fall2007 - EE555: Broadband Network Technologies HW...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
1 EE555: Broadband Network Technologies HW #2, Due September 28 Read Chapters 5 and 10 Text Problems : William Stalling's Book: #5.4, #5.5, 10.2 Extra Problems : 1. A company has two branches that are connected by a trunk of capacity 128Kbps. This trunk can be configured as 0,1, or 2 voice lines at 64Kbps each and the remainder of the circuit is used for data. The voice traffic arrival rate is one call every 3 minutes and the average call holding time is 3 minutes. When a voice line is not available, the call is routed to the PSTN and costs $1.50 per call. a) Sketch the state diagram for the voice service (assuming that the state of the system is the number of lines available for voice services) b) Fill-in the following Table Number of Voice Lines Blocking Probability Cost per minute 0 1 2 Now consider the data traffic. Assume that the data traffic average arrival rate is 80Kbps and messages are broken into 1Kbit packets. The average packet delay (both waiting and being served) should be less than 0.1 seconds.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/21/2010 for the course EE 555 taught by Professor Silvester during the Spring '08 term at USC.

Page1 / 3

ee555hw2fall2007 - EE555: Broadband Network Technologies HW...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online