Joint Next-Hop/Relay Selection for Distributive Multihop Cooperative Networks

Algorithm 1

JNRS protocol description.

Require: (, , )

()   begin

()    is maximum SNR of -NH link from the set of available links in ;

()    is maximum SNR of - link from the set of available links in ;

()    is maximum SNR of -NH link from the set of available links in ;

()   +ACK is indicated NH satisfied with source transmission;

()   −ACK is indicated NH wasn’t satisfied with source transmission;

()    is maximum signal-to-noise ratio link of ;

()   for each next-hop node in

()      is determined;

()   endfor

()   for each relay node in

()      , , are determined;

()   endfor

()   if , then

()     optimal NH transmits +ACK;

()     optimal relay node keep silent;

()   endif

()   eles , then

()     optimal NH transmits −ACK; then

()     optimal relay node retransmits source data;

()   endif