April 2014
Intermediate to advanced
538 pages
17h 31m
English
Content preview from Security for Multihop Wireless Networks
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462 ◾ Security for Multihop Wireless Networks
Dynamic rate adaptation (DRA) is an application-layer QoS scheme in which
transmission rates are changed dynamically based on the application criteria. In
particular, audio/video applications running on wireless links may be using DRA
for higher efficient bandwidth allocations. In a multimedia application, which
offers DRA, the algorithm adjusts the encoding parameters to achieve dynamic
target throughputs.
Application-layer-efficient DRA provisioning could lead to congestion control.
Congestion control schemes are rate- or window-based. For the rate-based conges-
tion control scheme, the sender is e
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