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Table 1 Notations

From: Multi-hop transmission and routing with hierarchical modulation

Series Parameter
S current state
S’ next state
S , i a set of packets stored in node i at State S
m 4/m-QAM hierarchical modulation (m = 16, m = 64)
λ constellation priority parameter
p k packet index (1: basic layer, 2:secondary layer # 1, 3: secondary layer # 2)
t transmitter
r 1 t receiver close to the transmitter
r 2 t receiver far from the transmitter