DecodingTelecoms - Term of the week
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PTCCH Packet Timing Control Channel
The Packet Timing Control Channel is used in GPRS to ensure that the correct timing advance is maintained for each MS (Mobile Station). On the uplink, the PTCCH is used by a mobile station to send an Access Burst and on the downlink, the mobile station will receive a TAI (Timing Advance Index) value.
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