April 2016
Intermediate to advanced
290 pages
9h 55m
English
Content preview from Mobile Opportunistic Networks
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Opportunistic Routing for Load Balancing and Reliable Data ◾ 125
© 2011 by Taylor & Francis Group, LLC
(a)
(b)
(c)
(d)
Before transmitting data packet, a probe message
is used to determine its up-to-date receiver
Probe message is broadcast to
all of the potential receivers
On the reception of probe message,
receivers starts backoff procedure
e receiver with the last backoff time will
send a reply message to the transmitter
A is transmitter
B, C, D are receivers
Probe message
Reply message
Src
Sink
A
B
C
E
D
Src
Sink
A
B
C
E
D
Src
Sink
A
B
C
E
D
Src
Sink
A
B
C
E
D
Backoff time
Backoff time
Backoff time
Backoff time
Backoff time
Figure 5.5 Illustration of receiver-oriented mechanism in RLRR.
126
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