Research Article
Combined Sector and Channel Hopping Schemes for Efficient Rendezvous in Directional Antenna Cognitive Radio Networks
Figure 1
Examples of directional antenna configurations in two pairs of communicating SUs: (a) and divide their transmission range into and sectors; the rendezvous sector pair is . (b) and divide range into and sectors; the rendezvous sector pair is .
(a) Pair of and SUs |
(b) Pair of and SUs |