Patent ID: 8442431

Claim:
A broadcast message transmission method of a relay station in a multi-hop relay network, applied in a non-transparent centralized scheduling multi-hop relay network, comprising: sending, by a base station, a message to be broadcasted to a relay station, the relay station returning an acknowledgement header to the base station after receiving the message; sending, by the base station, a message that indicate the bandwidth allocation of downlink to the relay station periodically after receiving the acknowledgement header, the message being used to indicate the downlink bandwidth that the base station allocates initiatively to the relay station; and the message that indicate the bandwidth allocation of the downlink further includes one or both of the following fields: a Downlink(DL)-MAP IE index number, used to indicate a position of a burst where the broadcast message sent to the terminal by the relay station is located; and an R-DL-MAP IE index number, used to indicate a position of a burst where the broadcast message sent to the lower relay station by the relay station is located; sending, by the relay station, broadcast messages to a terminal or a lower relay station within the downlink bandwidth.