Algorithms 6 Frequency assignments Integer programming 6 Vertex coloring 6 Adjacent channels 4 Adjacent colors 4 Antennas 4 Branch-and-cut algorithms 4 Cochannel interference 4 Combinatorial optimization 4 Computational results 4 Computer programming 4 Frequency assignment 4 Frequency channels 4 Graph theory 4 Integer programming models 4 Interference graphs 4 Potential interferences 4 Valid inequality 4 Vertex coloring problems 4 Wireless communication network 4 Wireless networks 4 Wireless telecommunication systems 4 Branch and price 2 Coloring 2 Column generation 2 Computational experiment 2 Costs 2 Linear programming 2 Multicoloring 2