m s | Number of sources |
m r | Number of relays |
R n | Network coding rate, |
u,u r ,u s | user indices to indicate a user in general, a relay, and a source, respectively |
| Transmission set of relay u r |
| , i.e., the number of sources helped by relay u r |
, | Point-to-point codeword transmitted by source u s and relay u r , respectively |
L | Code length of all point-to-point codewords |
H p | Parity-check matrix of point-to-point codewords, e.g., |
R c,p | Coding rate of point-to-point codewords |
c | Overall codeword, that is, the concatenation of all point-to-point codewords |
H | Parity-check matrix of overall codeword |
R c | Coding rate of overall codeword, R c =Rc,pR n |
H GLNC | The part of H that relates the relay codewords to the source codewords |
| Matrix to transform in the relation with in HGLNC |