94.2 WCDMA Information Elements

94.2.1 General

94.2.1.1. Properties of Information Elements: The Asterisk Column

In the column marked *, a set of codes is used to identify certain groups of information elements:

Code

Meaning

c

Requires that a cell file has been loaded.

dv

Reported when running DVB-H.

ne

GSM neighbor measurements reported by the UE while in WCDMA mode.

ns

Reported from network search scanning.

p

Reported by positioning equipment, or requires positioning data to make sense.

pi

Reported from CPICH scanning.

rs

Reported from RSSI scanning.

ss

Reported from spectrum scanning.

ts

Reported from SCH timeslot scanning.

94.2.1.2. Notes on Quantities Denoting Signal Power

Below is a list of the signal power and power ratio quantities that appear in the names of information elements.

Eb:Eb, scrambling code energy per bit.

Ec:Ec, scrambling code energy per chip.

Es:Es, scrambling code energy per symbol (as measured by a scanning device during the SCH timeslot scan).

No:N0, total energy per chip (as measured by a UE).

Io:I0, total energy per chip (as measured by a scanning device).

Ec/No:Ec/N0, signal-to-noise ratio (as measured by a UE). Compare No above. ► 3GPP 25.215, section 5.1.5

Ec/Io:Ec/I0, signal-to-noise ratio (as measured by a scanning device). Compare Io above.

SIR: Signal-to-interference ratio as measured on the DPCCH. ► 3GPP 25.215, section 5.2.2

RSCP: Received signal code power, identical with Ec: ► 3GPP 25.215, section 5.1.5.

RSSI: Received signal strength indicator, identical with No: ► 3GPP 25.215, section 5.1.5.

Eb and Ec are related by the equation
that is,

94.2.1.3. MIMO: Multiple-antenna vs. Single-antenna Information Elements

Certain information elements occur in variants with each of the suffixes "per Antenna" (with argument), "Antenna 1", "Antenna 2", "Sum". Such IEs are populated for MIMO, and the suffixes refer to the use of multiple antennas in the MIMO technology. The corresponding IEs without a suffix are populated in the single-antenna case.

94.2.1.4. Dual/Multiple Carrier HSPA

Certain information elements occur in pairs with each of the suffixes "Primary Cell" and "Secondary Cell". These concepts apply to dual-cell (= dual-carrier) HSPA. In the single-carrier case, only the "Primary Cell" elements are populated.
Certain information elements occur with the suffixes "Per Carrier" and "Total". The former then holds a separate value for each carrier (identified by argument) in multicarrier HSPA, whereas the latter holds a sum taken over all carriers and has no argument. For single-carrier HSPA, secondary carrier data is absent, and "Total" is equal to the primary carrier value.