11.2.55 EC Packet Power Control/Timing Advance
3GPP44.060General Packet Radio Service (GPRS)Mobile Station (MS) - Base Station System (BSS) interfaceRadio Link Control / Medium Access Control (RLC/MAC) protocolRelease 17TS
This message is sent on EC-PACCH by the network to the mobile station in order to update the mobile station timing advance or power control parameters.
Message type: EC PACKET POWER CONTROL/TIMING ADVANCE
Direction: network to mobile station
Classification: non-distribution message
Table 11.2.55.1: EC Packet POwer CONTROL/TIMING ADVANCE information elements
< EC Packet Power Control/Timing Advance message content > ::= < USED_DL_COVERAGE_CLASS : < Used DL Coverage Class IE >> { < Global TFI : < Global TFI IE > > { { 0 | 1 < T_AVG_T : bit (5) > } { 0 | 1 < EC Packet Timing Advance : < EC Packet Timing Advance IE >> } { 0 | 1 < GAMMA : bit (5) > } < padding bits > ! < Non-distribution part error : bit (*) = < no string > > } ! < Address information part error : bit (*) = < no string > > } ! < Distribution part error : bit (*) = < no string > > ; |
Table 11.2.55.2: EC Packet POwer CONTROL/TIMING ADVANCE information element details
USED_DL_COVERAGE_CLASS (2 bit field) Global TFI IE T_AVG_T (5 bit field) EC Packet Timing Advance GAMMA (5 bit field) bit |