pear to be accurate enough in case MAC reliability is not used as when packet drops occurs due to collisions buffer drains and size is decreased. Well known schemes use a combination of channel utilization and buffer occupancy, as seems to be the

适用于三维无线传感器网络的MAC接入方法。仿真表明，该方法极大地减小了网络间的干扰，保证了较高的通信成功率。-Applicable to three-dimensional wireless sensor networks MAC access method. Simulation results show that the method greatly reduces the interference between networks, ensuring a high success rate