| 主权项 |
1. A method for providing service in a communication system including a first Base Station (BS) and a Mobile Station (MS) located in a first Multicast and Broadcast Service (MBS) zone, the method comprising:
transmitting, from the first BS to the MS, a broadcast message including information indicating whether any of at least one BS located in at least one MBS zone neighboring the first MBS zone can provide an MBS, wherein the first BS provides a first MBS to the MS; receiving, by the first BS from the MS, a request message for requesting a second MBS that is not supported by the first BS, the first MBS and the second MBS being for different services; detecting, by the first BS, a second BS in a second MBS zone supporting the second MBS from among the at least one MBS zone neighboring the first MBS zone; and transmitting, from the first BS to the MS, a response message including information indicating that the first BS cannot support the second MBS and identifier information of the second BS in the second MBS zone that supports the second MBS, wherein the first BS remains capable of supporting the first MBS for the MS, wherein the broadcast message includes information related to the neighbor BSs, and wherein the information related to the neighbor BSs includes information indicating a Type, Length, Value (TLV) value included in a Downlink Channel Descriptor (DCD) message, information indicating a TLV value included in an Uplink Channel Descriptor (UCD) message, information indicating triggering of the neighbor BSs, and the information indicating whether any of the at least one BS can provide the MBS included in the information related to the neighbor BSs, each having a TLV form. |
