the reason is certainly related to the fact that the speech is put in frame of 20ms. And when the GSM was invented, 20ms could be encoded/compressed/etc. into 4x0.577 ms.20ms => 4x0.577ms = 2.3mseach 20ms, one user needs 2.3ms.So during 20ms on the air, only 8 calls can be multiplexed.20/2.3 = 8.7The remaining is used for in band signalling (sacch).
What is the gsm?
140 gsm finish gsm
140 gsm finish gsm
GSM 900 operates at a frequency of 900 MHz, providing better coverage in rural areas due to its longer wavelength. GSM 1800 operates at a frequency of 1800 MHz, offering higher capacity and faster data speeds in urban areas. The choice between GSM 900 and GSM 1800 depends on the population density and geographic area where the service will be provided.
How do you convert cellphone gsm frequency to another gsm frequency?"
In the context of Mobile phones gsm means Global System for Mobiles. Hoerver 100 gsm or 130 gsm is usually referred for thickness of paper. gsm means grammes per square meter. Hence 130 gsm is thicker than 100 gsm. Simple.
GSM hosting provides the platform for gsm forums. To get more information there is a forum titled GSM hosting listed as the place to find the gsm forums.
Global System for Mobile Communications, or GSM, originally described a digital circuit switched network using full duplex voice telephony. It has been upgraded to include data communications and packet transport.
150 GSM
gsm
Types of GSM