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   Handoff 切換

CDMA術(shù)語

從一個基站向另一個基站轉(zhuǎn)移用戶站通信之動作。硬切換的特點是，通信信道短暫中斷。軟切換的特點是，一個以上的基站同時與同一個用戶站保持通信。


Handoff: transfer a call or data session from one channel to another, or from one BS to another, or from one MSC to another.
Handover: the process of transferring a call
Hard handover: the process needs to drop the call for a short time, e.g., GSM handover
Soft handover: MS simultaneously use multiple BS, no need to drop the call when adding new BS, e.g., CDMA system

   

• 通信詞典解釋