Soft handover
Soft handover or soft handoff refers to a feature used by the CDMA and W-CDMA standards,Vanghi, Damnjanovic, Vojcic, The Cdma2000 System for Mobile Communications, Prentice Hall, 2004, ch. 1Holma & Toskala, WCDMA for UMTS, Wiley, 2000 where a cell phone is simultaneously connected to two or more cells (or cell sectors) during a call.