| 摘要 |
The invention relates to a system for determining surroundings in a wireless network, the system including first and second nodes, each node being programmed to periodically detect the nodes located in the surroundings thereof every time period &Dgr;, characterized in that: the first node comprises a transmitter (1) and control means (3) for activating the transmitter (1) for a transmission time &xgr; less than the time period &Dgr;, the transmitter transmitting an identification signal during the transmission time &xgr;; the second node comprises a receiver (2) and control means (3) for activating the receiver (2) for a reception time α less than the time period &Dgr;, the receiver (2) listening for the signals from the adjacent nodes during the reception time a, the control means (3) of the second node activating the receiver once per time period &Dgr;. |
