Analysis and performance evaluation of resource management mechanisms in heterogeneous traffic cognitive radio networks

EURASIP Journal on Wireless Communications and Networking

Table 2 Characteristics of the analyzed strategies

Used mechanisms	Spectrum allocation strategy
Used mechanisms	E1	E2	E3	E4	E5	E6	E7
Spectrum adaptation	╳	✓	✓	✓	✓	╳	✓
Selective interruption	╳	╳	✓	✓	✓	✓	✓
Buffer for interrupted data calls	╳	╳	✓	✓	✓	╳	╳
Double preemptive	╳	╳	✓	✓	╳	╳	╳
Buffer for new data calls	╳	╳	✓	╳	╳	╳	╳
Channel reservation	╳	╳	╳	✓	╳	╳	╳