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GPRS : General Packet Radio System - page 7 / 20

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Networks: L17

7

Time Slot Aggregation

GPRS allows one user to have more than one slot in a TDMA frame

effective bandwidth thereby increased

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nominally 13.4kbps per slot

system notified at time of transmission how many slots needed

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for sending and receiving separately

supports both low speed and higher speed in a single network

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GSM : 1 time slot per user :

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GPRS : more than 1 time slot per user :

2 slots

3 slots

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