看LOG學(xué)5G(64)-NSA網(wǎng)絡(luò)中的B1測量

看LOG學(xué)5G(64)--NSA網(wǎng)絡(luò)中的B1測量\o"5G"#5G\o"NSA"#NSA\o"B1測量"#B1測量一、NSA架構(gòu)中B1測量5G在NSA組網(wǎng)架構(gòu)下終端(UE)從eNodeB接入后，通過對5G(NR)的B1測量選取信號質(zhì)量最好的5G(NR)鄰區(qū)后，可將5G(NR)鄰區(qū)所屬的gNodeB添加為輔站。其中5G(NR)的B1測量流程如下圖所示：圖1.NSA中B1測量流程二、B1測量流程在NSA網(wǎng)絡(luò)中終端(UE)接收網(wǎng)絡(luò)側(cè)的B1配置，執(zhí)行測量，按照報告要求上報B1測量結(jié)果；它們通過以下三步來實現(xiàn):eNodeB向UE下發(fā)“RRCConnectionReconfiguration”消息(消息中包含NRB1測量控制信息)，對相鄰的NR小區(qū)進行測量。UE發(fā)送RRC重配置完成消息，通知eNodeBNRB1測量配置完成。UE向eNodeB上報測量報告，測量報告中包含了NRB1測量的結(jié)果三、NSA網(wǎng)絡(luò)B1測量和上報消息實例3.1

B1測量控制信息,這是eNodeB給終端下發(fā)包括B1的測量控制消息。

圖2.eNodeB下發(fā)測量配置消息

RRC-MSG0>

......struDL-DCCH-Message

........dlCcchMessage1>

............rrcConnectionReconfiguration

-----10-

..............rrc-TransactionIdentifier:0x2(2)2>

.............rrcConnectionReconfiguration-r8（RRC連接重配置-R8）3>

55

0-------*

....................measConfig（測量配置）4>

...................measObjectToAddModList

5>

.......................MeasObjectToAddMod（測量目標添加修改）

..........................measObjectId:0x1(1)（測量目標ID:1)

..........................measObject（測量目標)6>

............................measObjectEUTRA

(測量目標:EUTRA)9>

52

0-------

..............................carrierFreq:0x514(1300)(載波頻點:1300)

-101..............................allowedMeasBandwidth:mbw100(5)(允許測量帶寬：100RB=20MHz）

----0---

..............................presenceAntennaPort1:FALSE(天線端口1指示：FALSE)

-----01-

..............................neighCellConfig:01(01)(鄰區(qū)配置：01）10>

F0

1111----

..............................offsetFreq:dB0(15)(頻率偏滯:0dB)

..............................cellsToAddModList(小區(qū)添加修改列表）11>

................................CellsToAddMod12>

A0

1010000-

..................................physCellId:0xd0(208)（PCI:208)13>

F0

1111----

..................................cellIndividualOffset:dB0(15)(CIO:0dB)

........................MeasObjectToAddMod14>

C0

1-------

..........................measObjectId:0x2(2)（測量目標ID:2)

..........................measObject16>

............................measObjectNR-r15(測量目標:NR-R15版本）19>

78

011110--

..............................carrierFreq-r15:0x7b49e(504990)（載波頻點:504990)

..............................rs-ConfigSSB-r15(RSSSB配置-R15)

................................measTimingConfig-r15(測量計時器配置-R15)

..................................periodicityAndOffset-r15(周期與偏滯-R15)20>

...................................sf20-r15:0x0(0)(SF20-R15)21>

18

00------

..................................ssb-Duration-r15:sf5(4)(ssb周期-R15：sf5(4)

--01----

................................subcarrierSpacingSSB-r15:kHz30(1)(子載波間隔：30kHz）

..............................threshRS-Index-r15（RS門限-R15)22>

45

010001--

................................nr-RSRP-r15:0x11(17)(nr-RSRP-R15:-156+17=-139)23>

E0

111-----

..............................offsetFreq-r15:0x0(0)(頻偏-R15:0)

---0----

..............................quantityConfigSet-r15:0x1(1)(數(shù)量配置集：1）25>

..............................groupExtension-r15

................................bandNR-r15（NR

頻段-R15)27>

00

000-----

..................................setup:0x29(41)

(Band：41）28>

......................reportConfigToAddModList（報告配置添加修改列表）

........................ReportConfigToAddMod29>

08

000-----

..........................reportConfigId:0x1(1)

..........................reportConfig

............................reportConfigEUTRA（EUTRA報告配置）

..............................triggerType（觸發(fā)類型）

................................event（事件）

..................................eventId（事件ID)30>

....................................eventA3(A3事件）

--100000

......................................a3-Offset:0x2(2)31>

0A

0-------

......................................reportOnLeave:FALSE

-00010--

..................................hysteresis:0x2(2)

32>

06

00------

..................................timeToTrigger:ms320(8)

--0-----

..............................triggerQuantity:rsrp(0)

---0----

..............................reportQuantity:sameAsTriggerQuantity(0)

----011-

..............................maxReportCells:0x4(4)33>

3C

001-----

..............................reportInterval:ms240(1)

---111--

..............................reportAmount:infinity-cnt(7)36>

..............................groupExtension-r15-1

................................reportAddNeighMeas-r10:setup(0)38>

..............................groupExtension-r15-639>

20

001-----

................................maxRS-IndexReport-r15:0x1(1)

........................ReportConfigToAddMod40>

80

1-------

..........................reportConfigId:0x2(2)

..........................reportConfig

............................reportConfigEUTRA

..............................triggerType

................................event

..................................eventId

....................................eventA1（A1事件）

......................................a1-Threshold（A1門限）41>

........................................threshold-RSRP:0x23(35)（門限-RSRP:35-140=-105)42>

..................................hysteresis:0x2(2)

43>

A0

1-------

..................................timeToTrigger:ms640(11)

-0------

..............................triggerQuantity:rsrp(0)

--1-----

..............................reportQuantity:both(1)

---000--

..............................maxReportCells:0x1(1)44>

80

10------

..............................reportInterval:ms480(2)

--000---

..............................reportAmount:r1(0)

........................ReportConfigToAddMod45>

80

10------

..........................reportConfigId:0x3(3)

..........................reportConfig

............................reportConfigEUTRA

..............................triggerType

................................event

..................................eventId46>

....................................eventA2(A2事件）

......................................a2-Threshold(A2門限）47>

0A

0-.............................threshold-RSRP:0x20(32)（門限：32-140=-108）

-00010--

..................................hysteresis:0x2(2)48>

D0

11------

..................................timeToTrigger:ms640(11)

--0-----

..............................triggerQuantity:rsrp(0)

---1----

..............................reportQuantity:both(1)

----000-

..............................maxReportCells:0x1(1)49>

40

010-----

..............................reportInterval:ms480(2)

---000--

..............................reportAmount:r1(0)

........................ReportConfigToAddMod.........80>

....................................eventB1-NR-r15(B1事件-NR-R15)

......................................b1-ThresholdNR-r15(B1門限-NR-R15)82>

80

1-------...........................nr-RSRP-r15:0x33(51)（NRRSRP-r15:51-156=-105)

-0------

......................................reportOnLeave-r15:FALSE83>

15

00010---

..................................hysteresis:0x2(2)（遲滯：2）84>

76

0-------

..................................timeToTrigger:ms512(10)（觸發(fā)周期：512ms）

-111----

..............................maxReportCells:0x8(8)（最多報告小區(qū)：8個）

----0110

..............................reportInterval:ms5120(6)（報告間隔：5120ms)85>

01

000-----

..............................reportAmount:r1(0)88>

....................groupExtension-r15-6

................................reportQuantityCellNR-r15(NR小區(qū)報告質(zhì)量)

------1-

..................................ss-rsrp:TRUE(ss-rsrp:是）

-------0

..................................ss-rsrq:FALSE（ss-rsrq:否）89>

03

0-------

..................................ss-sinr:FALSE（ss-sinr:否）

-000001-

................................maxReportRS-Index-r15:0x1(1)（最大報告RSID:1)

................................reportQuantityRS-IndexNR-r15

-------1

..................................ss-rsrp:TRUEE(ss-rsrp:是）90>

00

0-------

..................................ss-rsrq:FALSE（ss-rsrq:否）

-0------

..................................ss-sinr:FALSE

（ss-sinr:否）

91>

......................measIdToAddModList

........................MeasIdToAddMod

92>

00

000-----

..........................measId:0x1(1)

---00000

..........................measObjectId:0x1(1)93>

00

00000---

..........................reportConfigId:0x1(1)

........................MeasIdToAddMod..........109>

42

01------

..........................measId:0xa(10)

--00001-

..........................measObjectId:0x2(2)110>

9C

1001----

..........................reportConfigId:0xa(10)

......................quantityConfig111>

........................quantityConfigEUTRA

---00110

..........................filterCoefficientRSRP:fc6(6)112>

30

00110---

..........................filterCoefficientRSRQ:fc6(6)114>

.......groupExtension-r15-3(組擴展-R15-3)115>

....................quantityConfigNRList-r15

.................QuantityConfigNR-r15

.....................measQuantityCell-r15

............measQuantityRS-Index-r15

116>

......................measGapConfig(測量GAP配置）117>

.................setup

......................gapOffset

（gap偏滯）

118>

............................gp1:0x14(20)

119>

02

0-------

......................s-Measure:0x0(0)（速度測量：0）

......................speedStatePars

（速度狀態(tài)參數(shù)）

........................release:NULL

121>

......................groupExtension-r15-5（組擴展-R15-5)122>

........................mgta-r15:TRUE(MGTA-R15:是）3.2終端RRC

ConnectionReconfigurationComplete終端收到測量控制消息后回復(fù)，接入完成。

圖3.終端接收到測量配置消息應(yīng)答

RRC-MSG

..msg0>

02

00000010T

....struUL-DCCH-Message

......struUL-DCCH-Message

........ulDcchMessage1>

............rrcConnectionReconfigurationComplete

-----10-

..............rrc-TransactionIdentifier:0x2(2)

..............criticalExtensions

................rrcConnectionReconfigurationComplete-r82>

00

00000000*

3.3

UE上報含有B1的測量報告終端按照測量配置完成測量，根據(jù)報告要求上報測量結(jié)果。

圖4.終端上報含有B1的測量報告

RRC-MSG

..msg0>

02

00000010T

....struUL-DCCH-Message

......struUL-DCCH-Message

........ulDcchMessage1>

08

0

............measurementReport（測量報告）

..............criticalExtensions2>

...............measurementReport-r8(測量報告-r8）

....................measResults(測量結(jié)果）3>

C1

1-------

......................measId:0xa(10)

......................measResultPCell（Pcell測量結(jié)果）

-1000001

........................rsrpResult:0x41(65)（RSRP:-140+65=-75)4>

6A

011010--

........................rsrqResult:0x1a(26)

......................measResultNeighCells(鄰區(qū)測量結(jié)果）6>

........................measResultNeighCellListNR-r15（NR-R15鄰區(qū)測量結(jié)果）7>

..........................MeasResultCellNR-r158>

42

01000---

............................pci-r15:0x148(328)（小區(qū)PCI:328)

............................measResultCell-r159>

..............................rsrpResult-r15:0x4f(79)(RSRP：79-156=-77）

............................measResultRS-IndexList-r1510>

..............................MeasResultSSB-Index-r1511>

13

00010---

................................ssb-Index-r15:0x2(2)(SSBID:2)

..........................MeasResultCellNR-r1513>

A3

1-------

............................pci-r15:0x33b(827)（小區(qū)PCI:827)