Research Article

Combined Sector and Channel Hopping Schemes for Efficient Rendezvous in Directional Antenna Cognitive Radio Networks

Algorithm 2

The receiver SH generation algorithm (ES-SH).
Input: , AES.
Output: a round of the ES-SH sequence for the receiver .
(1) Find as the smallest even number that
is not smaller than .
(2) for    do
(3) if    then
(4) .
(5) else
(6) is a random number
(7) .
(8) end if
(9) end for
(10) return  .