A Novel Cooperation-Based Network Coding Scheme for Walking Scenarios in WBANs

Algorithm 1

Uplink and downlink allocation.

Input: Receive a from radio layer

Get PID, MAC address, required time slots from ;

if Find a record in by MAC Address then

Set by ;

else

= current free connected NID;

end

if comes from a sensor node then

if Find a record in by PID then

Set and by the record;

else

Set and from the end of ;

Update ;

end

else

if Find a record in by PID then

Set and by the record;

Set and from the end of ;

Update ;

else

Discard ;

end

end

Construct a based on , , , and ;

Add to sending buffer;