CDMA Question: Download CDMA (Code division multiple access) PDF
what is cdma technology?
What was its origin ?
How it works?
How it is different from gsm?
Answer:
1> cdma stands for code division multiple access; its
frequency 800 mhz and 1900 mhz
2>channel bandwidth 12mhz with 1.25mhz for spread spectrum
3>in cdma we allocate a unique code to the user separately
and allocate the total bandwidth to the user.
4>in gsm we divide the bandwidth into many time slots and
allocate each time slot to the user.
frequency 800 mhz and 1900 mhz
2>channel bandwidth 12mhz with 1.25mhz for spread spectrum
3>in cdma we allocate a unique code to the user separately
and allocate the total bandwidth to the user.
4>in gsm we divide the bandwidth into many time slots and
allocate each time slot to the user.
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