HW 3_Ad_Zig_WLAN_S_10

HW 3_Ad_Zig_WLAN_S_10 - Prof. Dzhanidze R. CS M117, HW #3...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Prof. Dzhanidze R. CS M117, HW #3 UNIVERSITY OF CALIFORNIA, LOS ANGELES CS M117 Students Name___________________ Home Work #3 (Due: 04/21/10) (HW and solutions must be typed) Theory Section: Ad-Hoc; Zigbee Questions 1. Wireless nets: (a) (1) What is the main similarity between a Wireless LAN and an Ad-Hoc network (b) (1) What is the main difference? 2. (1) Why is multihopping used in Ad-Hoc nets? 3. (2) Explain why the Zigbee designers did not include RTS/CTS in the MAC protocol. How does a source recover from hidden terminal problems then? 4. (1) Do you think some version of Zigbee could carry voice, say from cell phone to headset, thus competing with Bluetooth? What about video?
Background image of page 1

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

View Full DocumentRight Arrow Icon
Prof. Dzhanidze R. CS M117, HW #3 5. ( 2) If Zigbee were used in the scenario above, would it be beacon- mode of beacon-less? 6. (2) For which Zigbee applications (from the “applications” slide shown in class) do you think message privacy would be most critical? Any comments on how to address it?
Background image of page 2
Prof. Dzhanidze R. CS M117, HW #3
Background image of page 3

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

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

HW 3_Ad_Zig_WLAN_S_10 - Prof. Dzhanidze R. CS M117, HW #3...

This preview shows document pages 1 - 4. Sign up to view the full document.

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