Question: What is WCDMA air interface? Give important parameter of it.
0

Subject : Mobile Communication

Topic : 3G Communication System

Difficulty : Medium

mobile communication • 469 views
ADD COMMENTlink
modified 12 weeks ago by gravatar for Ankit Pandey Ankit Pandey60 written 4 months ago by gravatar for rajeshree.kumbhar5018 rajeshree.kumbhar501810
0
  • WCDMA is dominant technology for 3G cellular systems.It is a new radio interface standard.
  • It is only the air interface used with UMTS mobile communication standard,Which allows communication between the base station and mobile station.
  • It has been designed to allow handoff to GSM systems.
  • WCDMA employs variable or selectable direct sequence spread spectrum chip rates that can exceed 16 Mcps per user.

WCDMA Parameters:

1) Channel Bandwidth : 5MHz

2) Forward RF Channel structure : DSSS

3) Chip rate :3.84 Mcps

4) Coherent Detection : Pilots Symbols

5) Frame length : 10 ms

6) number of slots frame : 15

7) Handover : Soft handover

ADD COMMENTlink
modified 12 weeks ago  • written 12 weeks ago by gravatar for Ankit Pandey Ankit Pandey60
Please log in to add an answer.