| Summary: | 碩士 === 國立中興大學 === 電機工程學系所 === 105 === In this thesis, channel-hopping (CH) sequences for four rendezvous modes in cognitive radio (CR) networks are designed. They have known and enlarged cardinality and also satisfy new design criteria of channel overlap, even channel use, and full channel utilization. The maximum time-to-rendezvous (MTTR) and degree of rendezvous (DoR) of the new CH sequences are derived for quantifying and comparing their performances with previous works. Our studies show that they have full DoR, and all but two families achieve the optimal MTTR. The new asynchronous CH sequences also carry the pairwise shift-invariant property. In summary, the new CH sequences provide flexible choices and good balances between cardinality, period, DoR, and MTTR.
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