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第 6 章 软交换技术的应用 PowerPoint PPT Presentation


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第 6 章 软交换技术的应用. 本章内容 软交换技术的应用概述 软交换技术在固定电话网的应用 软交换技术在移动电话网的应用. 6.1 软交换技术的应用概述. 1. 软交换技术带来的优势 能够提供各种用户的综合接入 网络效率更高、结构更简、灵活性更好,运营成本低,网络升级和扩展也更为容易 具有强大的业务提供能力 易于实现各种异构网的互通 易于实现公共资源共享. 2. 软交换技术的应用步骤 第一步,利用软交换技术实现运营商长途网的优化改造 第二步,利用软交换技术实现替换和新建本地网的功能 第三步,利用软交换技术提供新型增值业务.

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第 6 章 软交换技术的应用

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6

6


6


6

6.1

1.


6

2.


6

6.2


6


6

1.


6


6

  • SHLRSCP

    • SHLR

    • SSP

    • SCFSDF

  • /SSP/SSPSHLRSCP


6

2.


6

  • SHLR

  • TGSSSSTG

  • SSSSPSHLR

  • TG

  • TGTG


6

  • SHLR


6

a.

SS3600500.04360060120BHCA

b. IP

SSTGH.248 SSSGSIGTRANdf 20

c.

(E1)=//30=5000000.04/0.4/30=1667


6

d.

H.248

IP/

  • G.711 20ms90.4kb/s100kb/s

  • 0.51

  • IPIP50%

  • 1.6

    5000000.0432%70%1000.5/(50%1.6)=280000 kb/s=280Mb/s


6

H.248=H.248H.2488/

  • H.248=12

  • H.248=101

  • 60s

  • H.248=5000000.04121018/(6050%1.6)=4040 kb/s4Mb/s

    IP=+ H.248=280Mb/s +4Mb/s=284Mb/s

    2.5%


6

e.

PSTNISUPSHLRMAP+SCPINAP

=//

  • ISUPTGMAP+INAP

  • (s) 60s90s

  • ISUP8.230

  • Bytes/s64Kb/s800077572Mb/s240467

  • 0.2Erl

    SGISUP=5000000.04/608.230/(77570.2)=52.8 2n64


6

f.

M3UASCTPIP

SIGTRAN(+)8()

  • IPM3UASCTP+IP+24+28+20+2698

  • SGSIGTRAN

    5000000.048.230+988/(6050%1.6)3500Kb/s=3.5Mb/s


6

g.SHLR

SHLRSHLR3600

SHLR500.04360060=120BHCA

h.SHLR

ISUPIAM+RLCACM+REL5060sISUP0.2ErlSHLR64Kb/s

5000000.04502(6077570.2)=21.5 32

MAP12060sMAP0.4ErlSHLR64Kb/s

5000000.041202(6077570.4)=25.8 32


6

3.AG


6


4 epon

4.EPON

EPON


6

  • OLT

    • EPON

    • ODNONU

  • ODN


6

  • ONU

    • //


6

EPON

  • EPONWDM1490nm 1310nm TDMA

  • EPONIP


6

EPON


6

6.3


6

1.


6

  • TMSC ServerTMSC Server

  • TMGTMG(MSCGMSCTMSC2)TDM


6

  • TMGTMSC1

  • TMGSG

  • TMSC ServerTMGSGTMSC ServerIPTMGSGIPTMGSGMSCGMSCTMSC1/2HSTPTDM


6


6

    • TMSC Server

    • TMG

    • SG

    • CMN


6

2.


6

  • MSC ServerGMSCH248MGW

  • MGW

  • MSC ServerMGWMSC ServeMGW


6

  • MSC Server/MGW2G/3G2G/3G

  • GSMHLRSCPSMS

  • GMGWMSCIP


  • Login