Wireless Communications and Mobile Computing / 2017 / Article / Alg 4

Research Article

Distributed Image Compression Architecture over Wireless Multimedia Sensor Networks

Algorithm 4

Relay  node  selection.
while  Compressed  image  has  not  arrived  at  the  base  station
if  Node  is  CH  then
if  CH  has  a  neighboring  CH  then
Broadcast  Relay-Msg  (ID)  
Receive  Relay-Reply-Msg  (ID,  routing_level,  energy)  for  neighboring  CHs
Select  a  group  of  neighboring  CHs  that  have  lowest  routing_level
Fuzzy_cost    empty
For  each  Relay-Reply-Msg
Fuzzy_cost[]  calculate  Fuzzy  (Remaining_energy,  RSSI)
end  for
Next_CH  Select  the  CH  that  has  the  highest  fuzzy  cost
Source  CH  sends  the  compressed  image  to  Next_CHs.
Else
Source  CH  sends  the  compressed  image  directly  to  the  base  station.
end  if
if  Node  receives  Relay-Msg  then
CH  replies  to  the  source  CH  with  Relay-Reply-Msg  (ID,  routing_level,  energy).
end  if
end  if
end  while

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