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Symbol | Meaning |
|
| Set of secondary users |
| Number of secondary users |
| Set of potential links |
| Network graph |
| Set of available channels |
| Number of available channels |
| Set of links incident on node |
| Set of available channels at node |
| Set of available channels at link |
| Number of radio interfaces at node |
| Transmission range for node |
| Interference range for node |
| Guard zone |
| Set of links that have simultaneous transmissions with link by using a same channel |
| Set of links that have simultaneous transmissions with link by using channel |
| Common transmission power |
| Noise power at node |
| Interference power at node |
| Noise power at each node |
| The minimum threshold to decode a transmission at a receiver |
| Distance between nodes and |
| Propagation gain from node to node |
| Path loss exponent |
| Binary variable indicating if link is active on channel |
| Capacity of link by using channel |
| Minimum end-to-end flow throughput |
| Bandwidth of a channel |
| Number of communication sessions |
| Source node for session |
| Destination node for session |
| Traffic flow from to for session |
| Traffic flow from to for session |
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