http://blog.sina.com.cn/s/blog_746b60460102wq19.html

http://blog.sina.com.cn/s/blog_746b60460102wq0h.html

LTE SIB17結(jié)構(gòu)如下，詳細(xì)參數(shù)介紹請參考：

http://blog.sina.com.cn/s/blog_746b60460102wq0h.html

SystemInformationBlockType17-r12 ::= SEQUENCE {

    wlan-OffloadInfoPerPLMN-List-r12     SEQUENCE (SIZE (1..maxPLMN-r11)) OF

                                      WLAN-OffloadInfoPerPLMN-r12         OPTIONAL, -- Need OR

//需要與SIB1中的plmn-IdentityList保持一致

    lateNonCriticalExtension             OCTET STRING              OPTIONAL,

    ...

    //擴(kuò)展字段

}

WLAN-OffloadInfoPerPLMN-r12 ::=          SEQUENCE {

        wlan-OffloadConfigCommon-r12     WLAN-OffloadConfig-r12       OPTIONAL, -- Need OR

       wlan-Id-List-r12                  WLAN-Id-List-r12          OPTIONAL,  --

       //WLAN的ID，例如SSID，LIST表格

Need OR

       ...

}

WLAN-Id-List-r12 ::=             SEQUENCE (SIZE (1..maxWLAN-Id-r12)) OF

WLAN-Identifiers-r12

WLAN-Identifiers-r12 ::=         SEQUENCE {

    ssid-r12                     OCTET STRING (SIZE (1..32))      OPTIONAL, -- Need OR

    bssid-r12                    OCTET STRING (SIZE (6))          OPTIONAL, -- Need OR

    hessid-r12                   OCTET STRING (SIZE (6))          OPTIONAL, -- Need OR

    ...

}

-- ASN1STOP

-- ASN1START

//切換的相應(yīng)門限值，詳細(xì)可參考5.3 參數(shù)說明

WLAN-OffloadConfig-r12 ::=               SEQUENCE {

    thresholdRSRP-r12                    SEQUENCE {

       thresholdRSRP-Low-r12                RSRP-Range,

       thresholdRSRP-High-r12                  RSRP-Range

    }                                                             OPTIONAL, -- Need OR

    thresholdRSRQ-r12                    SEQUENCE {

       thresholdRSRQ-Low-r12                RSRQ-Range,

       thresholdRSRQ-High-r12                  RSRQ-Range

    }                                                             OPTIONAL, -- Need OR

    thresholdRSRQ-OnAllSymbolsWithWB-r12 SEQUENCE {

       thresholdRSRQ-OnAllSymbolsWithWB-Low-r12        RSRQ-Range,

       thresholdRSRQ-OnAllSymbolsWithWB-High-r12          RSRQ-Range

    }                                                             OPTIONAL,  -- Need OP

    thresholdRSRQ-OnAllSymbols-r12           SEQUENCE {

       thresholdRSRQ-OnAllSymbolsLow-r12                 RSRQ-Range,

       thresholdRSRQ-OnAllSymbolsHigh-r12                RSRQ-Range

    }                                                             OPTIONAL, -- Need OP

    thresholdRSRQ-WB-r12                 SEQUENCE {

       thresholdRSRQ-WB-Low-r12                       RSRQ-Range,

       thresholdRSRQ-WB-High-r12                      RSRQ-Range

    }                                                             OPTIONAL, -- Need OP

    thresholdChannelUtilization-r12          SEQUENCE {

       thresholdChannelUtilizationLow-r12      INTEGER (0..255),

       thresholdChannelUtilizationHigh-r12     INTEGER (0..255)

    }                                                             OPTIONAL, -- Need OR

    thresholdBackhaul-Bandwidth-r12          SEQUENCE {

       thresholdBackhaulDL-BandwidthLow-r12 WLAN-backhaulRate-r12,

       thresholdBackhaulDL-BandwidthHigh-r12   WLAN-backhaulRate-r12,

       thresholdBackhaulUL-BandwidthLow-r12 WLAN-backhaulRate-r12,

        thresholdBackhaulUL-BandwidthHigh-r12   WLAN-backhaulRate-r12

    }                                                             OPTIONAL, -- Need OR

    thresholdBeaconRSSI-r12                     SEQUENCE {

       thresholdBeaconRSSI-Low-r12                 INTEGER (0..255),

       thresholdBeaconRSSI-High-r12                INTEGER (0..255)

    }                                                             OPTIONAL, -- Need OR

    offloadPreferenceIndicator-r12          BIT STRING (SIZE (16))       OPTIONAL, -- Need OR

    t-SteeringWLAN-r12                   T-Reselection             OPTIONAL, -- Need OR

    ...

}

WLAN-backhaulRate-r12 ::=               ENUMERATED

                                      {r0, r4, r8, r16, r32, r64, r128, r256, r512,

                                      r1024, r2048, r4096, r8192, r16384, r32768, r65536, r131072,

                                     r262144, r524288, r1048576, r2097152, r4194304, r8388608,

                                      r16777216, r33554432, r67108864, r134217728, r268435456,

                                      r536870912, r1073741824, r2147483648, r4294967296}

-- ASN1STOP