Spectrum hole identification and exploitation in cognitive radio networks
Krishna Tumuluru Vamsi · 2011
7 Effect of PU arrival rate on 1 throughput, under all DSA schemes. . . .94 5.8 Effect of PU arrival rate on 2 throughput, under all DSA schemes. . . .95 5.9 Effect of PU arrival rate on forced termination probability 1 , under DSA schemes without buffer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96 5.10 Effect of PU arrival rate on forced termination probability 2 , under DSA schemes without buffer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96 5.11 Effect of PU arrival rate on the mean handoff delay of 1 calls, under DSA schemes with buffer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98 5.12 Effect of PU arrival rate on the mean handoff delay of 2 calls, under DSA schemes with buffer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98 5.13 Simulation: Optimal sub-channel reservation under DSA-C1 scheme. . . . .99 viii 3.8 Qualitative comparison of the two channel status prediction schemes . . . .4.1 Slot dependent parameter for different channel settings in the network .ix