Notation | Description |
---|---|
In i | Number of radio interfaces of node i |
R | Set of M available transmission rates |
P max | Maximum transmission power |
Ī© | Set of non-overlapping channels |
ch i | Set of channels assigned to node i |
G | Directed network graph |
V | Set of n mesh routers |
E | Set of directed links |
e ij | Directed link from node i to node j |
G ij | Propagation gain |
d ij | Geometric distance between two nodes i and j |
SINR ij | Signal to Interference and Noise Ratio in the receiver of link eij |
Ī³(Ļ) | SINR threshold corresponding to the rate Ļ |
N 0 | Thermal noise power |
\( {P}_{\mathrm{i}}^{min} \) | Minimum transmission power of node i to satisfy K-degree requirement |
T max | Maximum number of time slots in a time frame |
P ij | Transmission power from node i to node j |
deg i | Degree of node i |
TD uv | The amount of traffic demand from source node u to destination node v |
\( {X}_{ijk}^{\omega t} \) | A binary variable which is equal to 1 if the transmission from node i to node j is scheduled in time slot t with frequency channel Ļ and transmission rate Ļk |
\( {P}_{ij}^t \) | Transmission power of link eijscheduled in time slot t |
\( {f}_{ijt}^{uv} \) | The amount of traffic belongs to traffic session (u,āv)āāāQ passed on link eij in time slot t |
\( {Z}_{ijt}^{uv} \) | A binary parameter which is equal to 1 if \( {f}_{ijt}^{uv}\succ 0 \) |
Ļ (Ļk) | The amount of transmitted traffic in one time slot at rate Ļk |
C uv | End-to-end average throughput of traffic session (u,āv)āāāQ in each time slot |
SF uv | Satisfaction factor for each traffic session (u,āv)āāāQ |
\( {\sigma}_{SF}^2 \) | Variance of satisfaction factor |
\( \overset{\_}{SF} \) | Average satisfaction factor of all sessions |
\( {\sigma}_{SF}^{2,\max } \) | Maximum variance of satisfaction factor |
\( {U}_n^i \) | Utilization of node i |
\( {\sigma}_n^2 \) | Variance of \( {U}_n^i \) |
\( {\overline{U}}_n \) | Average utilization of all nodes |
\( {\sigma}_n^{2,\max } \) | Maximum variance of node utilization |
\( {U}_c^{\omega } \) | Utilization of channel Ļ |
\( {\sigma}_c^2 \) | Variance of \( {U}_c^{\omega } \) |
\( {\overline{U}}_c \) | Average utilization of all channels |
\( {\sigma}_c^{2,\max } \) | Maximum variance of channel utilization |