作者: Jun Miyazawa , Kenji Oike
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摘要: A communication device transmits a plurality of measurement packets to another while successively varying transmitting interval. After the have been transmitted, determines location usable bandwidth in relation first range that is within which bandwidths are measured. The resets second measured and at least one an upper limit lower different from corresponding accordance with determination. selects will be used when transmitted. other using has selected.