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3GPP TS 25.331 version 12.3.0 Release 12<br />

2100<br />

ETSI TS 125 331 V12.3.0 (2014-10)<br />

The parameter "T reconfirm abort" in the IE "DPCH compressed mode info" indicates the maximum time allowed for<br />

the re-confirmation of the BSIC of one GSM cell in the BSIC re-confirmation procedure.<br />

The BSIC re-confirmation procedure is defined in detail in [19].<br />

14.3.3 E-UTRA measuremen<strong>ts</strong> in compressed mode<br />

14.3.3.1 E-UTRA RSRP measuremen<strong>ts</strong><br />

The UE shall perform E-UTRA RSRP measuremen<strong>ts</strong> in the gaps of compressed mode pattern sequence specified for E-<br />

UTRA measurement purpose.<br />

14.3.3.2 E-UTRA RSRQ measuremen<strong>ts</strong><br />

The UE shall perform E-UTRA RSRQ measuremen<strong>ts</strong> in the gaps of compressed mode pattern sequence specified for E-<br />

UTRA measurement purpose.<br />

14.4 Traffic Volume Measuremen<strong>ts</strong><br />

14.4.1 Traffic Volume Measurement Quantity<br />

Traffic volume measuremen<strong>ts</strong> may be configured by RRC to assist with dynamic radio bearer control. The reported<br />

quantities that can be configured are:<br />

1 Buffer Occupancy.<br />

2 Average of Buffer Occupancy.<br />

3 Variance of Buffer Occupancy.<br />

A description of these values can be found in [15].<br />

When a report is triggered, the UE shall provide the requested quantities for the acknowledged and unacknowledged<br />

mode RBs mapped onto the transport channels identified.<br />

When the RLC buffer payload, Average of RLC buffer payload or Variance of RLC buffer payload is reported, the<br />

measured quantity shall be rounded upwards to the closest higher value possible to report. When the measured quantity<br />

is over the highest value possible to report, it shall be set to the highest value.<br />

14.4.2 Traffic Volume reporting triggers<br />

Traffic volume measurement repor<strong>ts</strong> can be triggered using two different mechanisms, periodical and event triggered.<br />

The reporting criteria are specified in the measurement control message.<br />

All the specified even<strong>ts</strong> are evaluated with respect to the Transport Channel Traffic Volume (TCTV). This quantity is<br />

equal to the sum of the Buffer Occupancy for all logical channels mapped onto a transport channel. The even<strong>ts</strong> on a<br />

given transport channel shall be evaluated at least at every TTI (may be more often) as described in [15].<br />

When one traffic volume measurement identity corresponds to multiple traffic volume even<strong>ts</strong> with identical event<br />

identities for the same transport channel, the UE behaviour is not specified.<br />

When a traffic volume measurement is set up, the UE shall:<br />

1> for FDD, if variable READY_FOR_COMMON_EDCH is set to TRUE:<br />

2> if one transport channel that is referenced in the IE "Traffic volume measurement object" as "DCH" and IE<br />

"measurement validity" is set to "all states except CELL_DCH":<br />

3> the uplink transport channel on which the UE is supposed to report in CELL_FACH state is of type E-<br />

DCH.<br />

ETSI

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