Patent ID: 7555305

Claim:
A method for direct link in a wireless communication system, applied in a base station (BS) with functions for broadcast and time division duplex (TDD), the method comprising the following steps: receiving a plurality of connection request signalings including a position information from a plurality of subscriber stations (SSs) with a positioning device under control; determining whether there is at least one set of a plurality of SSs which can carry out the direct link, according to each connection request signaling, wherein each set includes a transmitting SS and at least one receiving SS; allocating a plurality of time slots to each set of SSs which may carry out the direct link in a scheduling; calculating a relative distance between the two according to each piece of position information in the set; determining an initial transmit power of the transmitting SS according to the relative distance; and adding the initial transmit power of the transmitting SS and a time slot information allocated to each set of SSs in the scheduling into a broadcast message.