| 摘要 |
Embodiments are directed to supporting multicast communications at boundary sectors within a wireless communications system. In an example, an access network configures a primary cluster for a given multicast session, the primary cluster including a plurality of sectors within a first subnet. The access network also configures a boundary cluster for the multicast session, the boundary cluster including at least one boundary sector that overlaps with a sector belonging to the primary cluster, the boundary sector being adjacent to a sector belonging to a second subnet. The access network transmits multicast packets associated with the given multicast session at each of the plurality of sectors of the primary cluster on a primary channel at a first data rate, and further transmits multicast packets associated with the given multicast session at the at least one boundary sector on a supplemental channel at a second data rate.
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