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Explain The Following Two Types Of Hand Off In Cdma System: A.) Soft Handoff B.) Softer Handoff

Answer»

Soft handoff : 

  • Soft handoff is a feature in which a cellular phone is simultaneously connected to two or more cellular phones during a single call
  • It is he overlapping of repeater coverage ones, which enables every cell phone set is always well within the range of a specific repeater.
  • More than one repeater can send and receive signals to transmit signals to and from mobiles.
  • All repeaters are used with the same frequency channel for each mobile phone set.
  • Practically no dead ZONES and as result, the connections seldom interrupted or dropped. 

Softer handoff : 

  • Softer handover is a significant soft handover in which the added and removed links belong to the same node.
  • MACRO diversity with maximum ratio COMBINING could be performed in the same node.
  • The MOVEMENT of handoff, when a user can be served in another cell more efficiently (less power emission, less interference), is the most obvious cause for better PERFORMANCE.

Soft handoff : 

Softer handoff : 



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