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    • 1. 发明申请
    • CARRIER ASSIGNMENT WITH MOBILITY SUPPORT IN MULTI-CARRIER OFDM SYSTEMS
    • 在多载波OFDM系统中具有移动性支持的载波分配
    • WO2010121569A1
    • 2010-10-28
    • PCT/CN2010/072151
    • 2010-04-23
    • MEDIATEK INC.LIAO, Wan-JiunLU, Hsiao-ChenTANG, Chih-HsiangLIN, Sheng-WeiFU, I-KangCHOU, Chao-Chin
    • LIAO, Wan-JiunLU, Hsiao-ChenTANG, Chih-HsiangLIN, Sheng-WeiFU, I-KangCHOU, Chao-Chin
    • H04W36/00
    • H04W36/0072
    • Carrier pre-assignment is applied in multi-carrier handover operation to mitigate the impact to the user experience during handover and to achieve various objectives of call admission control in wireless multi-carrier OFDM networks. With carrier pre-assignment, a mobile station communicates its multi-carrier information to a target base station. The target base station pre-assigns secondary carriers to fulfill the requirements of the mobile station. In a first embodiment, a break-before-entry (BBE) multi-carrier handover procedure with carrier pre-assignment is provided. In a second embodiment, an entry-before-break (EBB) multi- carrier handover procedures for both inter-FA and intra-FA with carrier pre-assignment are provided. The multi-carrier handover procedures with carrier pre-assignment may be applied to 2-to-2 or N-to-N carriers handover situation. Because target secondary carriers are pre- assigned before handoff, the mobile station is ready for data transmission over multiple carriers after handover without additional carrier assignment procedure.
    • 在多载波切换操作中应用载波预分配以减轻在切换期间对用户体验的影响,并且实现无线多载波OFDM网络中的呼叫准入控制的各种目标。 通过载波预分配,移动台将其多载波信息传送到目标基站。 目标基站预先分配辅助载波以满足移动台的要求。 在第一实施例中,提供了具有载波预分配的中断前进(BBE)多载波切换过程。 在第二实施例中,提供了具有载波预分配的FA间和FA之间的用于中断前入站(EBB)多载波切换程序。 具有载波预分配的多载波切换过程可以应用于2对2或N到N载波切换情况。 由于目标辅助载波在切换前被预分配,所以移动台准备好在切换之后的多个载波上进行数据传输,而无需额外的载波分配过程。