| 摘要 |
Direct communication between wireless nodes, which may be mobile or fixed or a mixture of mobile and fixed nodes, is permitted under a limitation that each node, for any given transmission period, is permitted to act in half-duplex mode, meaning that in that period it can act as one of a transmitter or receiver, but it cannot both transmit and receive in the same communication period. The nodes communicate according to a schedule provided to them, for example by a broadcast after a poll of nodes is conducted. The scheduling of transmissions in preferred embodiments is conducted by contention resolution.
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