1 Introduction
2 The necessity of HF skywave frequency cooperation
2.1 External diseconomy in HF electromagnetic environment
2.2 Necessity of the cooperation among HF radio systems
3 Cooperative competition model based on hypergraph
4 Discussion on the cooperative competition algorithms and protocols
4.1 The relationship between the executing speed and the usability
of the algorithms
4.2 The relationship of the overhead and usability of the protocols
5 Algorithm and protocol design
5.1 The cooperative competition scheme
5.2 Cooperative competition scheme integration with adaptive HF
radio systems
5.2.1 Current adaptive HF systems
5.2.2 Candidate integration with ALE
5.3 Performance evaluation
6 Summary
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