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8960 W-CDMA/HSPA Online User's Guide
E1963A, E6703E
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Cell Information

Last updated: January 15, 2009

Reselection Parameters

This section is only applicable to the lab application.

These settings can only be changed when call status is Idle . If BCCH Update Page is set to Auto and you change these settings while your UE is camped to the test set, the test set performs a Broadcast Channel (BCCH) Update Procedure (SIB Contents) . If BCCH Update Page is set to Inhibit (the default value) and you change these settings while your UE is camped to the test set, you must force your UE to re-read the BCCH to observe the change (see BCCH Update Page for more details).

  • Sintersearch

    You can specify whether the S intersearch information element (see 3GPP TS 25.331 10.3.2.3 and 3GPP TS 25.304 5.2.6.1.5) is sent in SIB3 by the test set, and if included, what value is sent. S intersearch controls whether the UE must make measurements of inter-frequency cells while camped. If the quality of the serving cell is above S intersearch , then the UE will not measure other inter-frequency cells while camped. If S intersearch is not present, the UE must make inter-frequency measurements while camped. Note that if the UE does not make measurements on other cells, it will not reselect away from the current cell, even if there is another cell at a higher signal level. See 3GPP TS 25.304 5.2.6.1.1.

    When Sintersearch is On , it can be set to any even number value between -32 dB and +20 dB, but any negative value will be interpreted by the UE as 0 dB.

    When Sintersearch is Off , the S intersearch information element is not included in SIB3.

    Note, the Sintersearch parameter does not affect measurements performed by the UE while on a connection (see UE Reported Measurements ).

    GPIB command: CALL[:CELL]:BCCHannel:SERSearch[:SVALue] .

  • Sintrasearch

    You can specify whether the S intrasearch information element (see 3GPP TS 25.331 10.3.2.3 and 3GPP TS 25.304 5.2.6.1.5) is sent in SIB3 by the test set, and if included, what value is sent. S intrasearch controls whether the UE must make measurements of intra-frequency cells while camped. If the quality of the serving cell is above S intrasearch , then the UE will not measure other intra-frequency cells while camped. If S intrasearch is not present, the UE must make intra-frequency measurements while camped. Note that if the UE does not make measurements on other cells, it will not reselect away from the current cell, even if there is another cell at a higher signal level. See 3GPP TS 25.304 5.2.6.1.1.

    When Sintrasearch is On , it can be set to any even number value between -32 dB and +20 dB, but any negative value will be interpreted by the UE as 0 dB.

    When Sintrasearch is Off , the S intrasearch information element is not included in SIB3.

    Note, the Sintrasearch parameter does not affect measurements performed by the UE while on a connection (see UE Reported Measurements ).

    GPIB commands: CALL[:CELL]:BCCHannel:SRASearch[:SVALue] .

  • Quality Measure

    This parameter sets the 3GPP TS 25.331 s10.3.2.3, "Cell selection and reselection quality measure" information element. This parameter specifies whether the UE should use CPICH Ec/N0 or CPICH RSCP as the quality measure for determining which cell to choose when performing a cell selection or mobile-initiated cell reselection.

    Note, this setting does not affect what measurements are reported to the test set by the UE. When Report Measurement Type is set to Intra-frequency or All , the UE will make both CPICH Ec/N0 and CPICH RSCP measurements, regardless of the Quality Measure setting (the Measurement Control message sent by the test set instructs it to do so).

    GPIB command: CALL[:CELL]:RESelection:QUALity:MEASure .

  • Hysteresis 1 (Qhyst1)

    This parameter sets the 3GPP TS 25.331 s10.3.2.3 "Qhyst1" information element. Qhyst1 specifies the hysteresis value to be used by the UE if Quality Measure is CPICH RSCP.

    GPIB command: CALL[:CELL]:RESelection:HYSTeresis[1] .

  • Hysteresis 2 (Qhyst2)

    This parameter sets the 3GPP TS 25.331 s10.3.2.3 "Qhyst2" information element. Qhyst2 specifies the hysteresis value to be used by the UE if Quality Measure is CPICH Ec/N0.

    GPIB command: CALL[:CELL]:RESelection:HYSTeresis2 .

  • Minimum Required Quality Level (Qqualmin)

    This parameter sets 3GPP TS 25.331 s10.3.2.3 "Qqualmin" for FDD in the "Cell selection and re-selection info for SIB11/12" information element (see 25.331 s10.3.2.4). According to 3GPP TS 25.304 s5.2.6.1.4, Qqualmin is the "minimum required quality level in the cell (dB)". If Quality Measure is set to CPICH Ec/N0, the UE compares the CPICH Ec/N0 it measures for the cell with Qqualmin to determine if it may select/reselect to the cell.

    GPIB command: CALL[:CELL]:RESelection:QUALity:LMINimum .

  • Minimum Required Rx Level (Qrxlevmin)

    This parameter sets 3GPP TS 25.331 s10.3.2.3 "Qrxlevmin" for FDD in the "Cell selection and re-selection info for SIB11/12" information element (see 25.331 s10.3.2.4). According to 3GPP TS 25.304 s5.2.6.1.4, Qrxlevmin is the "minimum required RX level in the cell (dBm)". If Quality Measure is set to CPICH RSCP, the UE compares the CPICH RSCP it measures for the cell with Qrxlevmin to determine if it may select/reselect to the cell.

    GPIB command: CALL[:CELL]:RESelection:RLMinimum .

  • Timer (Treselection)

    This parameter sets the 3GPP TS 25.331 s10.3.2.3 "Treselection" information element. 3GPP TS 25.304 s5.2.6.1.4 states that the UE shall only reselect to a cell if it "is better ranked than the serving cell during a time interval Treselection".

    GPIB command: CALL[:CELL]:RESelection:TIMer .

Access Restriction Parameters

This section is only applicable to the lab application.

These settings can only be changed when call status is Idle . If BCCH Update Page is set to Auto and you change these settings while your UE is camped to the test set, the test set performs a Broadcast Channel (BCCH) Update Procedure (SIB Contents) . If BCCH Update Page is set to Inhibit (the default value) and you change these settings while your UE is camped to the test set, you must force your UE to re-read the BCCH to observe the change (see BCCH Update Page for more details).

These parameters are sent in the Cell Access Restriction information element on SIB3. See 3GPP TS 25.331 s10.3.2.1.

  • Cell Barred State

    According to 3GPP TS 25.304, a "Barred Cell" is "a cell a UE is not allowed to camp on." A UE is not allowed to camp on a barred cell, not even for emergency calls. If a cell on which a UE is currently camped becomes barred, a cell reselection is triggered.

    This parameter controls whether the test set is a barred cell. It sets the 3GPP TS 25.331 s10.3.2.1 "Cell Barred" information element.

    GPIB command: CALL[:CELL]:AREStriction:BARRed:STATe .

  • Cell Barred Timer (Tbarred)

    This parameter sets the 3GPP TS 25.331 s10.3.2.1 "T barred " information element. T barred specifies the time the UE must wait before considering a barred cell for reselection (see 3GPP TS 25.304 s5.3.1.1).

    This setting is only applicable when Cell Barred State is set to On .

    GPIB command: CALL[:CELL]:AREStriction:BARRed:TIMer .

  • Intra-frequency Cell Reselection Indicator

    This parameter set the 3GPP TS 25.331 s10.3.2.1 "Intra-frequency cell re-selection indicator" information element. According to 3GPP TS 25.304 s5.3.1.1, if a cell is barred, the UE must select another cell as follows:

    • If the "Intra-frequency cell re-selection indicator" IE in Cell Access Restriction IE is set to value "allowed", the UE may select another cell on the same frequency
    • If the "Intra-frequency cell re-selection indicator" IE is set to "not allowed" the UE shall not re-select a cell on the same frequency as the barred cell. During an ongoing emergency call, the Intra-frequency cell re-selection indicator IE" shall be ignored, i.e. even if it is set to "not allowed" the UE may select another intra-frequency cell.

    This setting is only applicable when Cell Barred State is set to On .

    GPIB command: CALL[:CELL]:AREStriction:ITAFrequency:CRINdicator .

UE Timer and Constant Parameters

The following settings, with the exception of the T3312 Periodic RA Update Timer and T3312 Periodic RA Update Units settings, can only be changed when call status is Idle . If BCCH Update Page is set to Auto and you change these settings while your UE is camped to the test set, the test set performs a Broadcast Channel (BCCH) Update Procedure (SIB Contents) . If BCCH Update Page is set to Inhibit (the default value) and you change these settings while your UE is camped to the test set, you must force your UE to re-read the BCCH to observe the change (see BCCH Update Page for more details).

  • T300 RRC Conn Req Retransmit Timer

    This setting is only applicable to the lab application.

    This setting determines how long the UE waits for the RRC Connection Setup after sending an RRC Connection Setup Request.

    T300 can be set to one of the following values: 100, 200, 400, 600, 800, 1000, 1200, 1400, 1600, 1800, 2000, 3000, 4000, 6000, or 8000 ms.

    GPIB command: CALL[:CELL]:BCCHannel:T300

  • N300 RRC Conn Req Max Retransmits

    This setting is only applicable to the lab application.

    This setting specifies the maximum number of retransmissions of the RRC Connection Request message.

    N300 can be set to any integer value from 0 to 7.

    GPIB command: CALL[:CELL]:BCCHannel:N300

  • T312 Link Establishment Timer (Idle)

    This setting is only applicable to the lab application.

    This setting determines how long the UE waits for an N312 "in-sync" indication from layer 1 when establishing a dedicated channel and the connection status is idle. According to 3GPP TS 25.331 table 10.3.3.43, zero (0) can be signaled in the SIB1 message but has no meaning.

    T312 can be set to any integer value from 1 to 15.

    GPIB command: CALL[:CELL]:BCCHannel:T312[:IDLE]

  • N312 Link Establishment In-Sync Count (Idle)

    This setting is only applicable to the lab application.

    This setting specifies the number of " in-syncs" required when establishing a dedicated channel when the connection status is in Idle mode.

    N312 can be set to one of the following values: 1, 2, 4, 10, 20, 50, 100, 200, 400, 600, 800, or 1000.

    GPIB command: CALL[:CELL]:BCCHannel:N312[:IDLE]

  • T308 RRC Conn Release Comp Retransmit Timer

    This setting is only applicable to the lab application.

    This setting specifies the amount of time between transmissions of the RRC Connection Release Complete message.

    T308 can be set to one of the following values: 40, 80, 160, or 320 ms.

    GPIB command: CALL[:CELL]:BCCHannel:T308

  • N308 RRC Conn Release Comp Max Retransmits

    This setting is only applicable to the lab application.

    This setting specifies the maximum number of times the RRC Connection Release Complete message is sent.

    N308 can be set to any integer value from 1 to 8.

    GPIB command: CALL[:CELL]:RRC:CRELease:N308

  • RRC Connection Release Complete Wait Count

    This setting is only applicable to the lab application.

    This setting determines whether the test set keeps the uplink DPCH active until it has received all the RRC Connection Release Complete messages or whether it releases the DPCH and returns to Idle mode as soon as the first RRC Connection Release Complete message is received. Note: This parameter only controls the test set's behavior; it is not signaled to the UE.

    You can choose from the following settings:

    • N308 ( N308 ): The test set keeps the DPCH active until all the RRC Connection Release Complete messages have been received.
    • 1 ( RETRansmit1 ): The test set releases the DPCH upon the reception of the first RRC Connection Release Complete Message.

    GPIB command: CALL[:CELL]:RRC:CRELease:CWCount

  • T313 Out-Of-Sync Reception Timer

    3GPP TS 25.331 8.5.6 states that after receiving N313 consecutive "out of sync" indications from layer 1 (see N313 Successive Out-Of-Sync Reception Max ), the UE shall start the T313 timer. Upon receiving N315 successive "in sync" indications from layer 1 ( N315 Successive In-Sync Reception Counter ), the UE shall stop and reset the T313 timer. If T313 expires, a "Radio Link failure" has occurred, and the UE shall drop the call. See 3GPP TS 25.214 4.3.1.2 for more details regarding "in sync" and "out of sync" indications.

    T313 can be set to an integer value between 0 and 15 seconds.

    GPIB command: CALL[:CELL]:BCCHannel:T313

  • N313 Successive Out-Of-Sync Reception Max

    N313 can be set to one of the following integer values: 1, 2, 4, 10, 20, 50, 100, 200.

    GPIB command: CALL[:CELL]:BCCHannel:N313

  • N315 Successive In-Sync Reception Counter

    N315 can be set to one of the following integer values: 1, 2, 4, 10, 20, 50, 100, 200, 400, 600, 800, 1000.

    GPIB command: CALL[:CELL]:BCCHannel:N315

  • T309 CCO From UTRAN to 2G Connect Timer

    This setting is only applicable to the lab application.

    This setting determines the amount of time the UE waits to establish a connection on the 2G side after a Cell Change Order from UTRAN.

    The T309 timer can be set to any integer from 0 to 8 seconds.

    GPIB command: CALL[:CELL]:BCCHannel:T309

  • T3212 Periodic Location Update Timer

    This setting is only applicable to the lab application.

    T3212 controls how often the UE performs the periodic location update procedure (see Performing a Location Update (CS Domain Registration) ). It can be set between 0 and 255 decihours (1 decihour = 6 minutes). T3212 is signaled in SIB1 as part of the "CS domain specific system information" information element. If T3212 is set to zero, 3GPP TS 24.008 indicates that the UE shall interpret this as infinity (never perform a periodic location update).

    GPIB command: CALL[:CELL]:BCCHannel:T3212

  • T3312 Periodic RA Update Timer

    This setting is only applicable to the lab application.

    This setting determines the value of the periodic Routing Area (RA) update timer. 3GPP TS 24.008 s4.7.2.2 states that "The value of timer T3312 is sent by the network to the MS in messages ATTACH ACCEPT and ROUTING AREA UPDATE ACCEPT."

    The increment value of this parameter is set by the T3312 Periodic RA Update Units parameters.

    The T309 timer can be set to any integer from 0 to 31.

    GPIB command: CALL[:CELL]:BCCHannel:T3312[:VALue]

  • T3312 Periodic RA Update Units

    This setting is only applicable to the lab application.

    This setting specifies the unit that the T3312 Periodic RA Update Timer is incremented.

    The following settings are available:

    • 2 Seconds ( SEC2 ): The T3312 Periodic RA Update Timer is incremented every 2 seconds.
    • Minutes ( MINutes ): The T3312 Periodic RA Update Timer is incremented every minute.
    • Decihours ( DHOurs ): The T3312 Periodic RA Update Timer is incremented every decihour (1 decihour = 6 minutes).
    • Deactivated ( DEACtivated ): The T3312 Periodic RA Update Timer is deactivated.

    GPIB command: CALL[:CELL]:BCCHannel:T3312:UNITs

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