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A new lower bound for the frequency assignment problem

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3 Author(s)
Dong-wan Tcha ; Dept. of Manage. Sci., Korea Adv. Inst. of Sci. & Technol., Seoul, South Korea ; Yong-Joo Chung ; Taek-Jin Choi

We propose a new lower bound on the number of frequencies required to meet the frequency demands in a cellular network. It extends Gamst's (1986) work by devising a procedure of frequency insertion, which makes the best of unexploited frequency spaces between the assigned frequencies. Our lower bound is claimed to have much wider and easier real-world applicability due to its relaxed prerequisite condition. Furthermore, it is shown via an illustrative example to be much tighter than its previous counterpart

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Networking, IEEE/ACM Transactions on  (Volume:5 ,  Issue: 1 )