| 摘要 |
PURPOSE: A direct communication method, a direct communication device using the same, and a coordinator device thereof are provided to increase the reuse of a space area frequency. CONSTITUTION: A transceiver unit(201) receives or transmits wireless signals using a communication device. A communication protocol unit(202) is combined with the transceiver unit. The communication protocol unit executes a random access in a competition slot including a first and a second competition slot. The first competition slot includes a limit of the first transmission power. The second competition slot includes a limit of the second transmission power. [Reference numerals] (20) Direct communication device; (201) Transceiver unit; (202) Communication protocol unit; (203) Memory |
