It is not suitable to use conventional wireless sensor networks (WSNs) routing protocols to transfer multimedia content such as video and audio streams on wireless multimedia sensor networks (WMSNs).In order to address those problems
a few new routing protocols were introduced recently.The QoS guarantee routing problem for WMSNs is defined firstly and some facing challenges are discussed in the field.Secondly
after classifying conventional WSNs routing protocols into five groups according to their features
the QoS routing protocol requirements for WMSNs are analyzed
along with their design principles
strategies and limitations.Thirdly
as the main content
the representative QoS routing protocols for WMSNs are surveyed in detail
including their design objective
core idea
basic strategy
main procedure
advantages and drawbacks.Ultimately
open research issues for WMSNs routing protocol are also pointed out.