Data synchronization for multicast/broadcast service in wireless relay network
A multicast broadcast service and relay network technology, applied in the field of data synchronization for multicast/broadcast services in wireless relay networks, can solve problems such as weak signal strength and increased wireless communication error rate
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[0020] Among other things, the present application describes systems, devices and methods for providing synchronous data transmission for multicast / broadcast services over OFDMA wireless relay networks.
[0021] Figure 1 shows an example of a wireless mobile relay accessing a network. Referring to FIG. 1, a traffic flow of a Multicast Broadcast Service (MBS) can be transmitted from a BS to a plurality of MSs through a unidirectional point-to-multipoint connection. One MBS service flow can be transmitted through a group of BSs forming the service area of the MBS service flow. In order to improve the wireless coverage area of the BS, signal transmission from the BS to the MS may pass through one or more relay stations (RS). In an OFDMA wireless relay network, for a multi-BS MBS, a group of BSs and associated multiple RSs form a service area to provide MB services to MSs. For single-BS MBS, the BS and its associated RS form a traffic area to transmit MBS data to the MB in c...
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