NokiaBSSintroduction

1、1 2005 nokia file_name.ppt / yyyy-mm-dd / initialsnokia bss introduction2 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialbss in the gsm networko m cm s cb s cm sb t sa nalog x .25d igita l x .2 5a i/fa ter i/fa bis i/fa ir i/ftcsm23 2006 nokia nokia bss asw introduction

2、.ppt /2006-05-09 / customer confidentialbss 网元统计网元统计network elementstotaltotal bscbsc&tc&tcbtsbtstrxtrxmetro 1,050 2,900 connectsite 185 500 talkfamily 3,233 20,000 ultrasite 2,564 26,000 ultrasite(edge) 4,080 53,713 bsc2i87 bsc3i153 tc 629 total240 11,112 103,113 4 2006 nokia nokia bss asw

3、introduction.ppt /2006-05-09 / customer confidentialbsc 可选功能软件可选功能软件bsc measurement features:bsc测量功能radio network optimization statistics: 无线网络优化统计directed retry直接重试c2 cell reselection c2 小区重选bts remote mmibts远端人机界面handover adjacent cell measurement in bscbsc 切换邻区测量bss microcellular features:bss微蜂窝功

4、能dynamic sdcch allocation动态sdcch配置half rate半速率enhanced full rate codec(etsi)增强型全速率common bcch公用bcchedge bss functionality egprs功能5 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialbsc， tc， btsbss 网元配置相关流程和内容网元配置相关流程和内容 收集网络信息，确定容量需求收集网络信息，确定容量需求 选站，勘察，规划选站，勘察，规划 按照需求确定无线网

5、规模按照需求确定无线网规模 选取相应的基站类型和配置选取相应的基站类型和配置 计算确定新增和扩容的计算确定新增和扩容的bsc， tc主要网元类型：主要网元类型：bsc3itcsmultrasite， metrosite6 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialnew nokia high capacity base station controller bsc3i very high circuit and packet handling capacity up to: 660

6、trx, 3920 erl, 48mbit/s modularity for easy expansion compact size with only one cabinet design built-in ip connectivity for enhanced feature support with ip based interfaces efficient use of transmission and radio resources with flexible traffic mix between voice and data swift fault detection and

7、hot standby units to allow minimal system downtimereliability and power in compact size7 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialmore traffic handling capacity 128 trx 256 trx 512 trx 660 trx 760 erl 1520 erl 3040 erl 3920 erl bscebsc2e/absci/bsc2ibsc3idesigned f

8、or high data usage to ascertain network evolution in gprs/edge/geran 2000 2001 2002 16 mbit/s 32 mbit/s 48 mbit/s 30% more voice and circuit switcheddata capacity 50% more packet switcheddata capacity8 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialbsc3i 硬件配置硬件配置mcmu2nc

9、lsgswb2nomu& sdbcsun+1bcsun+1etetbcsun+1bcsubsc signalling unit including packet control unitsclsclock & synchronizationunitetexchange terminalgswbbit group switchmcmumarker and cellular management unit including ip switchomuoperation & maintenance unit including system disk and magneto-

10、optical drive m98 mechanics the same functional unit types as in current bsc products max 6 woex bcsu units (+1 spare unit) max 2 pcu-b per bcsu the same platform is in use for all gsm/edge dx200 network elements (e.g. msci, hlri and 2g sgsn ) 9 2006 nokia nokia bss asw introduction.ppt /2006-05-09

11、/ customer confidentialbsc3i 配置配置1245673opronoffdbgrstj7j6worunlfolteapdramsbcpsiscsietxerxpsc6cpuapapswcopesb20apmbif 1apmbif 0network el em ent i m pl i cati onsnetwork el em ent i m pl i cati onscom pactcom pact i bsc usi ng m 98 i n one cabi net i bsc usi ng m 98 i n one cabi neth = 2000 mmw= 90

12、0 mm124563910apdbgrstj7j6worunlfolteapdramsbcpsiscsietxerxoproprapapopronoffpsc6mbif 0mbif 1cpuas7 2as7 1as7 08pcu-a8pcu-abcsum arker and cel l ul arm arker and cel l ul arm anagem ent uni t,m anagem ent uni t,m cm u, 2nm cm u, 2nm arker and cel l ul arm arker and cel l ul arm anagem ent uni t,m ana

13、gem ent uni t,m cm u, 2nm cm u, 2noperati ons and m ai ntenanceoperati ons and m ai ntenanceuni t, om u, 1 uni tuni t, om u, 1 uni toperati ons and m ai ntenanceoperati ons and m ai ntenanceuni t, om u, 1 uni tuni t, om u, 1 uni tbi t group swi tch,bi t group swi tch,gsw b, 2ngsw b, 2nbi t group swi

14、 tch,bi t group swi tch,gsw b, 2ngsw b, 2n640 trx (+25% ), 640 trx (+25% ), m ore than 6080 erl (+100% ),m ore than 6080 erl (+100% ), 48 m bi t/s (+33% ), 48 m bi t/s (+33% ),1-rack confi gurati on from 107 trx capaci ty up to 640 trx1-rack confi gurati on from 107 trx capaci ty up to 640 trxgswb0s

15、w1cmcmu0mcmu1gswb1sw1cpdfu-apdfu-apdfu-apdfu-aftrbftrbftrbftrbomucc5cbcsu 0cc3cbcsu 1cc3cbcsu 2cc3cbcsu 4cc3cbcsu 3cc3cbcsu 6cc3cbcsu 5cc3cclsetet4c-aetet4c-apsc1sw64bsw64bsw64b0203040506010007swbus4sw64b12456738910dbgrstj7j6worunlfolteapdramsbcpsiscsietxerxopropropronoffsw0sw1rstpsc6mbif 0mbif 1cpu

16、hwat 0sero 1apas7 0apas7 2apas7 1cduhdu hdubsc si gnal l i ngbsc si gnal l i nguni t, bcsu, 6+1uni t, bcsu, 6+1107 trx/8m b per107 trx/8m b pereacheachbsc si gnal l i ngbsc si gnal l i nguni t, bcsu, 6+1uni t, bcsu, 6+1107 trx/8m b per107 trx/8m b pereacheachbuilt-in ip switch for gb over ip/lb (sml

17、c) and iurg (geran) interfaces128 external pcm e1/t1pl atform nebs 3 com pl i antpl atform nebs 3 com pl i ant660 trx3920 erl48mbit/s124 external pcm e1/t110 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialbcsu11 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / cu

18、stomer confidentialclock and synchronization unit (cls)12 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialexchange terminal units (et)13 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialbit based group switch (gswb)14 2006 nokia nokia bss asw

19、introduction.ppt /2006-05-09 / customer confidentialmarker and cellular management unit (mcmu)15 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialoperation and maintenance unit (omu)16 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidential17 2006 no

20、kia nokia bss asw introduction.ppt /2006-05-09 / customer confidential18 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialtranscoders and submultiplexermsc30 x 16 kbit/s tch 1 x 64 kbit/s64 kba- interfacea-ter interfacebscsm2ma-ter interfacetctctc30 x 16 kbit/s tch 1 x 64

21、 kbit/s30 x 16 kbit/s tch 1 x 64 kbit/s90 x 16 kbit/s tch 3 x 64 kbit/s19 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialtranscoders 单机架单机架 ： 8个单元，每个单元个单元，每个单元120 channel 共计共计960 channel20 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidential nok

22、ia 基站及相关设备基站及相关设备 nokia de/f21 bts (二代站二代站) indoor sector nokia talk- 系列系列 bts（三代站）（三代站） nokia nokia intratalkintratalk bts bts nokia nokia flexitalk/flexitalkflexitalk/flexitalk+ bts+ bts nokia nokia citytalk/citytalkcitytalk/citytalk+ bts+ bts nokia nokia extratalkextratalk support support nokia u

23、ltrasite bts gsm/edge bts gsm/edge bts （normalnormal，midimidi， minimini） gsm/edge and wcdma bts gsm/edge and wcdma bts wcdma bts wcdma bts nokia metrosite bts nokia metrosite bts nokia metrosite bts nokia metro bbu nokia metro bbu nokia metrohub nokia metrohub nokia flexi edge bts21 2006 nokia nokia

24、 bss asw introduction.ppt /2006-05-09 / customer confidentialnokia 基基 站站metrosite bts flexi btscoveragecapacityde/f21siteflexitalkcitytalk intratalknokia ultrasite gsm btschaining options22 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialnokia de/f21基站基站(二代站二代站) nokia de

25、/f21nokia de/f21基站基站 单个主架单个主架2 2trxstrxs 两个主架两个主架( (一个扩展架一个扩展架) ) omni 10 omni 10 或或3/3/33/3/3 最大可扩展到最大可扩展到3 3个个 机架机架1212trxs(4/4/4)trxs(4/4/4) 合路器为合路器为rtcrtc23 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialnokia intratalk 基站基站(三代站三代站) 灵活的载频配置灵活的载频配置 单机架单机架 ：全向：全向 6 6

26、trx trx 或定向或定向2+2+22+2+2trxtrx 机架组合：全向机架组合：全向 12 12 trx trx 或定向或定向12+12+12 12+12+12 trxtrx 灵活的传输连接灵活的传输连接 内置微波中继室内单元内置微波中继室内单元 最大最大 4 4 个个 2 2m m 连接连接 支持内置支持内置hdslhdsl中继中继( (可利用普通的电话线可利用普通的电话线） 直流供电直流供电-48-48v v或交流或交流 230 230v v 机架尺寸机架尺寸16001600mmx600mmx480mmmmx600mmx480mm 温度范围温度范围 -5-5c c 到到 +45 +4

27、5c c24 2005 nokia file_name.ppt / yyyy-mm-dd / initialstrx7trx8trx9trx10trx11 trx12psu5psu6psu7ccf9ccf10ccf11ccf12ccf14ccf13afe6afe5afe4trx1trx2trx3trx4trx5trx6psu2psu3psu4rri1rri2tru1tru2bcf1bcf2ccf2ccf3ccf4ccf5ccf6ccf8ccf7ccf1afe3afe2afe1csu1csu2extension cabinet basic cabinet2851intratalk基站插板单元配置

28、图基站插板单元配置图1. rri : 微波中继室内单元微波中继室内单元2. tru: 传输单元传输单元3. bcf : 基站控制单元基站控制单元4. csu : 供电单元供电单元5. trx : 载频单元载频单元6. psu : 供电单元供电单元7. ccf : 风扇单元风扇单元8. afe : 宽带天线耦合单元宽带天线耦合单元(2trx)注：注： 天线耦合单元还可为天线耦合单元还可为 afc:宽带天线耦合单元宽带天线耦合单元(4trx) rtc:窄带天线耦合单元窄带天线耦合单元(6trx)25 2006 nokia nokia bss asw introduction.ppt /2006-0

29、5-09 / customer confidentialnokia intratalk基站的应用基站的应用 nokia nokia intratalkintratalk基站主要用作室内的宏蜂窝基站，基站主要用作室内的宏蜂窝基站， 完全支持完全支持gsm900/1800gsm900/1800双频工作，并支持双频共柜双频工作，并支持双频共柜 最大配置最大配置121212121212，典型配置，典型配置o/6, 2/2/2, 4/4/4, 6/6/6o/6, 2/2/2, 4/4/4, 6/6/6 支持基带跳频及射频跳频支持基带跳频及射频跳频26 2006 nokia nokia bss asw i

30、ntroduction.ppt /2006-05-09 / customer confidentialnokia flexitalk/flexitalk+小型基站小型基站 高高 集集 成成 度、度、 易易 于于 安安 装装 flexitalk flexitalk 适合适合室内安装室内安装 flexitalk+ flexitalk+ 适合室外或室内安装适合室外或室内安装 可安装于象可安装于象 隧道等的特殊地方隧道等的特殊地方 全全 向向 1 12 2 trxtrx ac or dc ac or dc 供电供电 灵灵 活活 的的 传传 输输 方方 式式 可可 外外 接接 多多 大大 3 3 条条

31、2 2m pcmm pcm 可可 支支 持持hdsl hdsl 温度范围温度范围 flexitalkflexitalk -5 -5度度 to +45to +45度度 flexitalkflexitalk+ -33+ -33度度 to +40to +40度度 -20 -20度度 to +40to +40度度( (dc dc 供供 电电) ) 27 2005 nokia file_name.ppt / yyyy-mm-dd / initialsflexitalk/flexitalk+小型基站小型基站28 2005 nokia file_name.ppt / yyyy-mm-dd / initial

32、sflexitalk/flexitalk+基站插入单元配置图基站插入单元配置图afetrxtrxbcftru ccfpsu29 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialnokia flexitalk/flexitalk+ 基站的应用基站的应用 nokia nokia flexitalk/flexitalkflexitalk/flexitalk+ + 小型基站分别用于室内和室外环境，小型基站分别用于室内和室外环境， 适合于话务量较低的地方适合于话务量较低的地方 在高话务量的地方，可作

33、为微蜂窝在高话务量的地方，可作为微蜂窝 结构紧凑，安装方便，经济实用结构紧凑，安装方便，经济实用 基本配置：基本配置： 全向基站全向基站 o/o/1, 1, o/2o/230 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialnokia ultrasite edge 基站基站室外基站 12 gsm/edge trxs or 6 gsm/edge trxs and 6 wcdma carriers 1940 x 770 x 750 -33c . +50 c室内基站 12 gsm/edge tr

34、xs or 6 gsm/edge trxs and 6 wcdma carriers 1800 x 600 x 570 mm -5c . +50 cmidi 室外基站 6 gsm/edge trxs 1320 x 770 x 750 mm -33c . +50 cnokia ultrasite edge 基站基站 midi 室内基站 6 gsm/edge trxs 1180 x 600 x 570 mm -5c . +50 cnokia ultrasite edge 基站（基站（ midi） 31 2006 nokia nokia bss asw introduction.ppt /2006-

35、05-09 / customer confidentialultrasite edge 基基 站站 结结 构构 电电 源源 单单 元元dc (0-3) ac (0-2)trx 基基 带带 单单 元元gsm (0-6)edge gsm (0-6) 基基 本本 操操 作作 接接 口口 单单 元元(1) 传传 输输 单单 元元 (1-4)fc e1/t1fxc e1fxc e1/t1fxc rrifxc stm-1fxc bridge 接接 收收 分分 路路 单单 元元2-way (0-6)6-way (0-2) 合合 路路 器器 和和 双双 工工 器器 双 工 器 (0-6) 宽 带 合 路 器

36、(0-9) rtc 合 路 器(0-2)trx 射射 频频 单单 元元 gsm (0-12)edge gsm (0-12)32 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialultrasite edge 基基 站站 结结 构构室内与室外基站室内与室外基站通用的机架内核 通用的插板单元增加室外套件33 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialnokia ultrasite ed

37、ge 基站三模基站基站三模基站34 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidential变速风扇变速风扇软件控制11 个单元冷却风扇1 个机架冷却风扇 (室外机架) nokia ultrasite edge 基站的散热基站的散热无需热交换器或空调无需热交换器或空调可加热单元可加热单元低于 -10c的环境室外基站的可选单元室内基站室外基站35 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidential

38、nokia ultrasite 内置传输单元内置传输单元微波传输单元微波传输单元fxc rri 两个 2.16 x 2 mbit/s e1传输单元传输单元fxc e14 x 2 mbit/s 75 ohm fxc e1/t1 4 x 2 mbit/s 120 ohm fc e1/t1 1 x 2 mbit/s 75 ohm or 120 ohmsdh 传传 输输 单单 元元fxc stm-1155 mbit/s63 x 2 mbit/s optical interface2 connectionsfxc e1-b 16 x 2 drop capacitycross-connection 36

39、2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidential合路旁路合路旁路二二 路路 合合 路路 器（器（wbc2:1） 四四 路路 合合 路路 器（器（wbc4:1） 远远 端端 调调 谐谐 合合 路路 器（器（rtc 6:1） nokia ultrasite edge 合路方式合路方式37 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialreceive multicoupler 合合 路路

40、器器 旁旁 路路dual duplex unitantennastrx rf units duplexer lna duplexer lnasplittersplittertxrxmaindivtxrxmaindivexample:2 trx/cell38 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidential 二二 路路 合合 路路 器（器（wbc2:1）example:4 trx/celldual duplex unitantennastrx rf unitstxrxmaindiv dupl

41、exer lna duplexer lnasplittersplittersplittersplittertxrxmaindivtxrxmaindivtxrxmaindivwbcwbcreceive multicouplers & wideband combiners39 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidential 四四 路路 合合 路路 器（器（wbc4:1）example:8 trx/celldual duplex unitantennastrx rf unitsrece

42、ive multicouplers & wideband combinerssplittersplittersplittersplittersplittersplittersplittersplitterwbcwbcwbcwbcwbcwbclnalnaduplexer duplexertxrxmaindivtxrxmaindivtxrxmaindivtxrxmaindivtxrxmaindivtxrxmaindivtxrxmaindivtxrxmaindiv40 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / custom

43、er confidential 远远 端端 调调 谐谐 合合 路路 器（器（rtc）splittersplitter duplexerlnascavities66maindiv6txrxmaindivantennastrx rf unitsexample:6 trx/cellreceivemulticouplersremote tunecombiner41 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidential 基基 站站 串串 接接 机机 架架 串串 接接 - 更更 大大 的的 容容 量量 1

44、-12 trx/cell ( bss10.5 ) 1-108 trx/site 分分 裂裂 的的 小小 区区 ( bss10.5, multibcf ) 最最 少少 的的 架架 间间 电电 缆缆 时时 钟钟 同同 步步 线线 a-bis 传传 输输 线线 (flexbus) 无无 射射 频频 线线 ( 除除 非非 分分 裂裂 小小 区区 配配 置置, 如如. 8+8+8 2 个个 机机 架架)4 wbc4 wbc4 wbcsynch4 wbc4 wbc4 wbc4 wbc4 wbc4 wbcrf cablinga-bisa-bis4 wbc4 wbc4 wbc4 wbc4 wbc4 wbcsy

45、nch4 wbc4 wbc4 wbcsynchgsm 1800gsm 900a-bisa-bis42 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialmetrosite metrosite 传输传输解决方案解决方案 e1e1接口接口 ( (fxc e1, fxc e1, 常规配置常规配置) ) 4 4 个个e1e1接口接口 可做串接可做串接, , 星型连接和环型连接星型连接和环型连接 微波接口微波接口 ( (fxc rri, fxc rri, 可选可选) ) 2 2 个微波个微波oduod

46、u接口接口( 2( 2* *2 21616x2m)x2m) 频段频段: 13, 15, 18, 23, 26, 38 : 13, 15, 18, 23, 26, 38 ghzghz pdhpdh光纤接口光纤接口 基站不含基站不含pdhpdh光纤接口光纤接口 第三方室外小型光端机可内置于基站第三方室外小型光端机可内置于基站 sdhsdh光纤接口光纤接口( (fc_stm, fc_stm, 可选可选) ) 2 2个个stm-1stm-1接口接口 l1.1(1310 nm), lc l1.1(1310 nm), lc 接头接头 sdhsdh光纤接口光纤接口( (fxc_stm,fxc_stm,可选可

47、选) ) 内置于内置于metrohubmetrohub 2 2个个 stm-1stm-1接口接口 l1.1 (1310 nm), lcl1.1 (1310 nm), lc接头接头 工作温度工作温度 -10-10c c 到到 +50 +50c c 43 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidential metrosite metrosite基站基站:2:2个个stm-1stm-1接口接口 metrohubmetrohub: : 2 2个个stm-1stm-1接口及传输电源备份接口及传输电源备

48、份 支持光网的环路及链型连接支持光网的环路及链型连接 诺诺 基基 亚亚 光光 纤纤 接接 入入 方方 案案metrosite btsviffc stmmetro hubdiuafxc stmfxc bridgemetrosite btsemptyemptyemptyemptyvifd-bus extension(1x2m)c10sansdfsdfbschmh-c1044 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialnokia ultrasite edge bts mini modera

49、te-capacity, high-coverage bts for rural solutions 1-4 trxs, in 1-3 sector 2-sectors with 2-way ul diversity macro bts rf performance output power (toc): 45.7dbm/46 dbm (900/1800) sensitivity: -115/115.5 dbm (900/1800) mounted next to antenna pole mounting at top of mast wall/floor mounting at rooft

50、op uses standard nokia ultrasite sw & hw 48 vdc or 230 (150320) vac power supply 4 slots for transmission units wired, radio links or stm-1 support for long lmp cable dimensions: 1130 x 420 x 530mm (h x w x d) weight: 85 kg temperature range: -33 to +50 0c45 2006 nokia nokia bss asw introduction

51、.ppt /2006-05-09 / customer confidentialstructure of nokia ultrasite edge bts minipower supply units (1)dc actrx baseband units (1-3)base operations and interface unit (1)transmission units (1-4)fxc e1fxc e1/t1fxc rristm-1receiver multicoupler units 2-way (1-2)duplex filtersdual duplex unit (1-2)trx

52、 rf units (1-4)note; mini is for coverage, so no wbc (too long unit) or rtc46 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialbsc基本操作软件基本操作软件bsc基本软件包，包含(但不仅限于)如下部分集采模型要求的软件功能： 接收天线分集 非连续发送和话音激活检测 话音信道功率控制 跳频 小区广播 gsm phase 2/2+ 短消息 * 其余模型内应用软件功能和模型外推荐应用软件功能如后面内容所述47 2006

53、 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialdynamic sdcch allocation in case of sdcch congestion, one free traffic channel can be changed dynamically to sdcch when sdcch/8 is no longer needed it is changed dynamically back to tch example:bcchsdcch/8tch(busy)tch(busy)tch(

54、busy)tch(busy)tch(busy)sdcch/8bcchsdcch/8tch(busy)tch(busy)tch(busy)tch(idle)tch(busy)tchtrxwith staticsdcch/8new trxconfigurationwith additionalsdcch/8sdcch congestion triggersdynamic allocation of sdcch for free fr rtslbss703648 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer conf

55、identialdynamic sdcch allocationbenefits flexible sdcch signalling capacity for congestion situations reduced blocking increased load handling ability for: short message service, sms location updates call establishment most beneficial areas of use: airports train stations conference facilities other

56、 hot spots network wide service improvementslocation updatecall establishmentsmsbss703649 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidential possibility to define a list of bcch carriers to be used in cell selection and reselection by idle state ms. collects statistics abo

57、ut cells, which are not defined as adjacent cells to a cell but are among the six neighbouring cells the mss receive best. benefits: double ba list provides fast cell selection/reselection process the measurements provide statistics for network optimization (finding all the neighbours that are not d

58、efined in active state neighbour list).bsc measurement featuresdouble ba-list measurement of undefined neighboursomcbscgui50 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialradio network optimization statistics: rxqual statistics rxlevel statistics link balance on per ms

59、 classmark timing advance statistics51 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialrx quality statisticsrxquality statistics results are shown on trx level.the statistics provided by rxquality measurements give a quick overview about differences in ul and dl.benefits

60、rxquality statistics helps network optimization work by giving an overview about interference and hardware problem situations.trx 1rxqualuldl0324394122324126548357234231752196167711152 2006 nokia nokia bss asw introduction.ppt /2006-05-09 / customer confidentialrx level statisticsul rxqual:01234567ul rxlev:0-1012875645121212121