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We consider relay broadcast channels (RBCs) with multiple antennas at all nodes. A practical precoding, relaying and combining scheme is proposed. Under an overall power constraint, we derive the optimal power allocation solution in a closed form. The conditions for an effective RBC scheme are identified with a qualitative analysis to the relationship(More)
In the article the author analyses three main categories of routing protocols used in HF communication networks and studies in detail the application of the table driven routing protocol in the HF Ad Hoc Network. A small-scale HF Hoc Network is designed for the test in the end and results show that table driven routing protocol is appropriate in it.
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