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Table 1 Notation

From: Mobile multimedia sensor networks: architecture and routing

Sym-bol

Definition

s

The source node

t

The sink node

h

The current node

D s t

Distance from source node to sink node

D h→t

Distance from current node to the sink node

T hop

The average hop delay at a sensor node

T QoS

The application-specific end-to-end delay objective

T h→t

The reserved time credit for the data delivery from current node to the sink node according to TQoS

t s→h

Data packet's experienced delay up to current node

H h→t

The desired hop count from current node to the sink node according to TQoS

D hop

The desired hop distance for next-hop-selection in MGR

E hop

The energy consumption for one-hop data delivery

E ete

The end-to-end energy consumption for a successful data delivery