Interested to Buy Any Domain ? << Click Here >> for more details...
what is GSM?
- 42 Answers
- 51902 Views
- ConnectM, Nutek, pcpl, Reliance Digital, RT Outsourcing, ZTE, I also Faced
- E-Mail Answers
Answer Posted / malik muhammad mehran
GSM- Gloabl system for mobile communication.
- Groupe speciale for mobile communication which is the
name of group which worked for this standard to implement
in europe.
- In 1991 eleven countries of the europe implemented this
standard.
- The first country which implemented this standard was
Finland.
- Each operator is Bestow with the 25MHZ band.
- Use three bands 900/1800/1900MHZ.
- Having data bases HLR, VLR, EIR and AUC.
- Having elements ME, BSS, NSS.
- Use Digital Air interface.
- 25MHZ is divided into 124 channels of 200khz.
- Each channel can support 8 users.
- Each user is allocated 0.577ms time slot in the 8 user
supporting frame.
- Total 4.615ms frame is used for the 8 users.
- Then multi frame is based on 26 eight user supporting
frames(multiframe is of 120ms duration).
- Then comes a supper frame which is consists on 51
multiframes(super frame is of duration 6.12s).
- Then comes Hyper frame consists on 2048 supper frames
(Hyper frame is of duration 3.4816 Hours).
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
What is the difference between rx lev sub and rx lev full?
What is channel coding in gsm technology?
What is the difference between cdu c and cdu a?
Explain tdd in gsm technology?
How do you link a t1 from the 1st bts to 2nd bts?
name the algorithms used in Authentication
What are the services offered by gsm technology?
Explain tdd?
Explain fdd?
Explain about ms-idn in gsm technology?
Tell me what is the difference between fer and ber?
What is the mean of power control in gsm technology?
Explain hsn?
Explain what is the difference between diplexer and duplexer and what position?
Do you know what is frequency re-use?
