Multiple Choice
In the S-MAC protocol, ___________is designed to reduce energy consumption during the long idle time when no sensing events happen, by turning off the radio periodically
A) periodic listen only
B) periodic listen and sleep
C) message passing
D) periodic sleep only
Correct Answer:

Verified
Correct Answer:
Verified
Q15: When a node has a packet to
Q16: This version is time scheduled. A central
Q17: If the channel is busy, it back-offs
Q18: The Receive time is<br>A)this is the time
Q19: Design Criteria for Medium Access Protocols<br>A)maximize the
Q20: In centralized TDMA,<br>A)the schedule is calculated online
Q21: RF Transceiver draws more current in<br>A)sleep mode<br>B)receive
Q22: select the correct statement<br>A)since the nodes operate
Q23: The Propagation time is<br>A)this is the time
Q24: Receiving power additionally influenced by<br>A)fading (frequency dependent)