HNG DN S DNG TEMS POCKET V TEMS INVESTRIGATION1. Gii thiu v phn mm.Tems Investigation l mt trong nhng gii php hu hiu nht hin nay dnh cho cc nh cung cp dch v vin thng, nhm t c mc tiu ci thin v duy tr cht lng dch v cho khch hng, ti u v nng cao cht lng mng li. TEMS Investigation l mt cng c kim tra, pht hin cc bn tin trn giao din v tuyn theo thi gian thc. N cho php bn gim st cc knh thoicng nh truyn data trn GPRS, EDGE, chuyn mch knh (CSD) hay cc kt ni chuyn mch tc cao (HSCSD). Cc phin data c th c qun l t trong TEMS Investigation. TEMS Investigation h tr tt c cc cng ngh chnh hin nay nh GSM/GPRS, EDGE, WCDMA, HSPA, HSPA+, LTE, CDMA, EVDO, WiMAX v TD-SCDMA, bn cnh l cc thit b u cui ca tt c cc nh cung cp.2. Chun b cng c dng c, d liu trc khi o.2.1. Cng c, dng c. Laptop ci t sn phn mm Tems Investrigation, driver GPS v Sony PC Suite. My Tems Pocket ci t Tems software. Cp kt ni my Tems pocket vi my tnh. GPS kt ni c vi my tnh. Dongle key (license cng cho phn mm Tems, trong trng hp dng bn crack th ko cn) Inverter (dng trong trng hp i o route, convert ngun DC c-quy t thnh ngun AC cho my tnh).2.2. D liu. Bn s khu vc cn o kim (trong trng hp ko c bn s th dng bn t to bng Mapinfo). Cellfile (mang thng tin v cell data, t to cell file t CDD). Route o v trc bng Mapinfo thun tin trong qu trnh o. a ch im o hoc ta , c th show trc trn map (trong trng hp o im).3. Cc bc thit lp trc khi o kim. Bc 1: Kt ni my Tems pocket v GPS vi my tnh. Trn Tems pocket chn ch kt ni USB l phone mode.

Bc 2: Load celfile: configuration General celfile load ch n ng dn th mc cha. C th load c cell file 2G v 3G ng thi.

Hin th tn Cell:

Bc 3: M bn .

4. Gii thiu chc nng cc Module trong phn mm TEMS.4.1. Thanh cng c:

File : Open, Save, Save as cc Workspace, exit chng trnh. View: Thay i hin th toolbar, status bar, navigator. Logfile: Open, start, stop, export logfile.

Scanning: thit lp qu trnh scan Configuaration: thit lp Event, m bo, thit b

Control: thit lp Command sequence, GSM channel Verification

Presentation: Hin th cc thng s v tuyn, bn tin, v tr

Worksheet: to mi, xa, sa tn cc worksheet.

4.2. Menu iu khin:4.2.1. Menu iu khin chnh:

4.2.2. Info Element. Thay i ngng v cch hin th cc tham s. V d thay i ngng hin th ca RxLev Sub (dBm)ca h thng GSM vi 3 ngng (Mu : -78dBm), ta thc hin nh sau: Vo menu Info Element> GSM> RxLev Sub (dBm)> Color

Chn auto setup:

Thit lp Intervals=3 (3 ngng hin th) Edit : thay i ngng v mu hin th (mu : Rxlev Sub < -90dBm). Cc ngng cn li tng t.4.3. Cch ghi log file Click vo biu tng bt u ghi log. Click vo stop dng ghi log, pause tm dng v swap log chuyn sang log khc (trong trng hp o li nhiu vng, swap log trnh ln log c) 4.4. Cch i th t MS1, MS2, PS1, PS2 ..Vo worksheet Ctrl & Config > Right Click vo dng EQ1 > Change Equipment Number

4.5. Cch hin th c cng tn hiu v nhiu trn map. Chn vo biu tng Add/ Edit Themes Chn Coverage Layer > Edit

Lu : chn cch hin th 2 ng biu din (cng tn hiu/ nhiu) vi cc Symbols khc nhau hoc kch thc khc nhau d theo di.

Kt qu:

4.6. Cch hin th ng kt ni ti Serving Cell.

Kt qu:

4.7. Cch Lock cell, lock tn trong qu trnh o kim4.7.1. Lock GSM/ WCDMA Tr vo biu tng Equipment Propities > Radio Access Technology Lock: Not locked : ch o Dual Mode GSM: ch o 2G Only WCDMA: ch o 3G Only

4.7.2. Lock Cell: Vi GSM: Common Controls > GSM Cell Selection> Chn ARFCN cn lock

Vi WCDMA, chn Common Controls > WCDMA Cell Selection > Chn tn v PSC

4.8. Cch to command sequence Chn Control> Command sequence > Edit V d to command sequence 10 cuc long-call 900s, ch 45s nh sau: Voice> Dial: Phone Number: 18008198 Duration: 900s Chn Propioties: Number of : 18008198 Duration: 900s

Sau khi thit lp xong, chn Run bt u chy command sequence.4.9. Cc tham s chnh trong o kim 2G, 3G s dng TEMS Investigation4.9.1. Cc tham s trong 2GCc tham s 2G chnh cn quan tm khi o kim bng TEMS Mng 2G: Trong sheet overview cc ca s: GSM current channel, GSM radio parameter, GSM serving and neighbour, GSM speech quality index cho cc thng tin v: GSM Cell name, cell ID, LAC. BSIC (Base Station Identity Code) ARFCN ( Absolute radio frequency channel number): tn s v tuyn. RxLev (Receiver level): Cng tn hiu thu c trn knh BCCH. RxQual (Receiver quality): Cht lng tn hiu thu c. FER (Frame Eros rate): T l li khung BER (Bit erous rate): T l li bit SQI (Speech quality): Ch s v cht lng tn hiu thoi. C/I : Carrier per interference, t s tn hiu sng mang trn nhiu. Ch s ny cng cao cng tt. i vi mng Viettel yu cu C/I 12 dB. Time slot ang s dng: cho bit cuc gi ang c thc hin trn TS s my. DTX (Discontinuous Transmission): cho bit MS c thu pht gin on hay khng. TA (Time advance): cho bit khong cch t MS n trm.

Ghi ch: Cc gi tr full c tnh ton trn tt c cc block c truyn. Cc gi tr sub: c tnh ton ch da trn cc block truyn tin khi ch DTX c active.

Cc tham s c hin th trong mt s ca s chnh:

Cc tham s hin th trong ch Idle-Cell Re-selection-Dedicated

4.9.2. Cc tham s trong 3GCc tham s 2G chnh cn quan tm khi o kim bng TEMS Mng 3G: Trong sheet overview cc ca s: Serving/Active set + Neighbour, Radio parameter, Speech quality cho cc thng tin v: Cell name, Cell ID, LAC. UARFCN (Utran Absolute radio frequency channel number): Tn s v tuyn tuyt i mng 3G PSC (Primary scramming code): m dng phn bit cc cell khc nhau. RSCP (Received Signal code power): Cng tn hiu o c trn knh CPICH ca cell 3G ti v tr UE. EcNo (Energy Chip per Noise): T s nng lng tn hiu trn nhiu. T s ny cng cao cng tt SQI (Speed quality index) ch s cht lng dch v thoi. AS active set: tp cell phc v chnh. MN monitor set: tp cell khai bo relation. DN dedicated neighbor: tp cell khai thiu relation.

Cc tham s c hin th trong mt s ca s chnh:

Cc tham s hin th trong ch Idle-Cell Re-selection-Active mode

4.10. Mt s case thng gp trong qu trinh driving test Case 2G Li sai Feedor: hin tng gp phi l khi i vo vng ph ca mt cell th li camp on vo cell khc ca trm (VD: hng sector 3 li bt c sng ca sector 2)

Rt do thiu Relation 2G-2G:

+ Hin tng: MS ang HNI2334, HO sang HNI2332, sau di chuyn vo khc cua ven h th RxLev gim (-85dBm), C/I ti ( Tems pocket > Operational Mode> Active5.2.2. Cc sheet hay s dng trong phn mm Tems Sheet 1.1 (W/G Cells) Sheet 1.5 (FTP Data) Sheet 1.6 (GPS) Sheet 2.1 (WCDMA Cells) Sheet 3.1 (GSM Cells) Sheet 3.3 (GSM BA List) Sheet 4.1 (GSM Serving Cell) Sheet 4.4 (GSM C/I Info)5.2.3. Cch thit lp command sequencen phm Function> Chn Tab Tems Pocket> Pocket Menu> Command Sequence: Voice settings: Thit lp Command Sequence thoi Dial Number: 18008198 (S b gi ) Call Duration: 900s (thi gian ko di cuc gi) Guard Time: 15s (khong cch gia cc cuc gi) FTP settings: thit lp command sequence dataTrc khi ci t command sequence Data cn thit lp FTP settings nh sau:Tems Pocket> Pocket menu> FTP: FTP server:Name: ftp_vtelRemote address: 203.113.188.35 (a ch server)Port: 21FTP user: vtel_votuyenFTP password: **********Remote directory: (th mc truy cp trn FTP, nu l th mc gc th trng)Data account: VIETTEL (Data Account trn my dng kt ni 3G) FTP transfer:Name: get_psDirection: FTP Get (Download file)/ FTP Put (Upload file)Remote file: ps.rar (tn file download) / Local file: (tn file upload)Save file to: Phone memory/ Memory StickFTP server: ftp_vtel (tn FTP server va to bc trn) To command sequence FTP: Pocket Menu> Command Sequence> FTP settings:FTP transfer: get_ps (tn FTP transfer to trn)Guard time: 15s (thi gian ngh gia cc ln down/upload5.2.4. Cch lock cell, lock tn n phm Function> Chn Tab Tems Pocket >Pocket Menu> Cell Control: Lock to RAT: ng vi cc ch o Dual Mode (off), 2G only (GSM), 3G Only (WCDMA). Lock Cell WCDMA: lock cell 3G vi UARFCN v SC (v d 10663/93) Lock ARFCN GSM: lock cell GSM vi ARFCN. Lock band GSM: lock band GSM trong trng hp o ring 900 hoc 18005.2.5. Cch bt v kim tra trng thi GPS Chn Pocket Menu> GPS> GPS connect: chn Automatic. Thot ra mn hnh chnh> Menu> Location Services> Status info> Connection status: kim tra trng thi GPS connected cha. Ch khi thy GPS connected mi bt u bi o (vi cc bi o route). Lu : Trong qu trnh o route lun lun sheet GPS (1.6) kim tra trng thi kt ni ca GPS, khi b mt kt ni GPS cn dng li i n khi nhn li c tn hiu GPS mi tip tc bi o.5.2.6. Cch thc hin bi o Khi ng my Tems pocket, active ch o Tems pocket: Operation mode= Active. Thc hin cc thao tc lock tn, lock cell ty thuc bi o. Thit lp logfile: Pocket menu> LogfileSave logfile to: Phone memory/ Memory stickAutostart logfile: b chn tt c.Upload logfile: OffCompress: Off Start logfile rec: bt u ghi logfile. Start cmd seq: Chy command sequence tng ng vi bi o (nu c) Stop cmd seq: Dng command sequence. Stop logfile rec: dng ghi logfile Lu : th t Start logfile rec > Start cmd seq> Stop cmd seq> Stop logfile rec logfile khng b st cc event, v d nh c call setup nhng ko c end call hoc ngc li.5.2.7. Cc bi o thng dng: Bi o Idle 2G only/ 3G only xc nh vng ph. Bi o long-call o kim vng ph 3G ch active hay ti u ch s CDR, CDRm, HOSR: Call duration=10-15 pht (hoc khng gii hn), nu o ch Dual Mode th t khong cch gia cc cuc gi 45s (thi gian MS la chn li cell 3G trong trng hp HO sang 2G). Bi o very short-call ti u ch s CSSR: Call duration=10s, guard time=10s. o kim tc download/upload data.