Q.1what is E1?
Q.2what is diffrence b/w RNC & BSC?
Q.3what is STM?
Q.4what is LAC & CI?
Q.5 what is HSN, MAIO, MA Group & frequency hopping?



Q.1what is E1? Q.2what is diffrence b/w RNC & BSC? Q.3what is STM? Q.4what is LAC & CI? ..

Answer / Mohd. Asim Khan

HSN (Higher-layer Signaling Number) is a part of the GSM signaling system used to identify mobile stations during call setup and teardown processes. MAIO (Mobile Allocation Identity Code) is a unique identifier for each cell in a GSM network, used to synchronize with the Base Station Subsystem (BSS). MA Group (Measurement Area Group) is a group of measurement areas within a location area that shares the same timing advance value. Frequency hopping is a technique used in wireless communications to reduce interference by periodically changing the frequency of transmission.

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