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3G Optimisation Q & A

Q) what is Iur & how it can be measured?A) Iur is a connection between two RNCs it can be measured by User Equipment raceRecordin! "UE R)# $enera% ac'et Enhanced hando(er "$ E )# C R*

Q) +hat is i%ot po%%ution and to reduce it?A) i%ot po%%ution is created by the ce%% ,ar away which wi%% ha(e a %on! co(era!e and thecorrection o, down ti%t is done by down ti%tin! the site*

Q) +hat is -. A ca%% mobi%ity?A) -. A ce%% chan!e between di,,erent nodebs or between two RNC" o(er Iur betweentwo RNC) is ca%%ed hsdpa ca%% mobi%ity

Q) what are di,,erent RA/- o, -. A?A) a) RA/ estab%ish success rate C- b) RA/ estab%ish success rate - c) RA/ /%oc'in! rate

d) RA/ Composite rate

Q) +hat is Admin Contro% & its parameters?A) Admin contro% wi%% restricts the number o, user to access the co(era!e & its parameteris mNo,ai%edRabEste0pt e0ceed cont1

Q) ow to impro(e IRA ,ai%ure?

A) o impro(e IRA we do the consistency chec' 2$34$ " which is chec'in! i, thenei!hbours are de,ined in a birectiona% direction or not) or i, there was some rehomin!done in 4$ then the 2$ parameters need to be chec'ed# & we can a%so the chec' thethresho%d settin!s is the settin!s is de,ined ,or R-C or Ec5No

Q) what are di,,erent E(ents in 2$?A) .i,,erent types o, E(ents in 2$ are EIA# EIC# E4.# E46# etc

Q) +hat are the di,,erent types o, 7 Is?A) Accessibi%ity# retainai%ibi%ity# er,ormance " speech# drop# hando(ers# b%oc')*

Q) +hat is CQI?A) Channe% Qua%ity Inde0# it !i(es ,eedbac' to the R/- about the channe% qua%ity to theUE " it wi%% send on -CC )

Q) ow do you impro(e i!h rate drops?A) /y doin! re!u%ar consistency chec'# n chec'in! the parameter chec' in 89 she%%

Q) +hat is Compression mode?

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A) Compression mode is used in measurin! di,,erent ,requencies

Q) +hat is the di,,erence between R:: & -. A?A) R:: is the /asic (ersion o, 2$ it wi%% !i(e the throu!hput o, 2;< 'bps ,or a%% the userand -. !i(es the throu!hput o, 48bps

Q) +hat is Channe% E%ement uti%isation?A) it is %i'e the R= ,or capacity & s code is compaitba%e with mu%tip%e codes* CE is

mNoU%CE

Q) ow many codes can be used ,or -. A?A) >#1 # 1>

Q) ow do you increase co(era!e?A) it can be increased by increasin! the R/- power by chan!in! the 8u%ti carrier poweramp%i,ier " 8C A) to @ watts

Q) ow do you ana%yse the $E ?A) /y ana%ysin! the %o! ,i%es in the 9-- and by RRC trace %o!s a%so*

Q) ow do you trace missin! nei!hbour?A) /y ana%ysin! %o! ,i%es and by %ayer 2 messa!es in .N "de,ined or dominantnei!hbour)*

Q) ow do you increase the - throu!hput?A) /y increasin! the number o, E1s# chan!in! the si e o, .Us# (eri,yin! the powersettin!s

Q) what is Inacti(ity timer?A) it is ,rom 6AAC to id%e mode " 4 mi%%isec)

Q) +hat is .itrect retry to $-8?A) it is used to o,,%oad the 2$ networ'# and it is a optiona% parameter and i, it is turn o,,then initia%%y 2$ user wi%% access to 4$ networ'

Q) ow do you increase the co(era!e o, 2$ ce%%?A) .epends upon the types o, ser(ices o,,ered by the ce%%# & tra,,ic pro,i%e*

Q) ow do you ca%cu%ate the ce%% ran!e?A) it wi%% depend upon the basic ser(ices as we%% as the Ue sensiti(ity

Q) +hat is Ce%% -hrin'in!?A) It is a ,eature contro%%ed by the contro% by the power settin! o, the R/- in short i, thenumber o, user increases the power o, the R/- reduces and the ce%% shrin's " ce%%

breathin! and ce%% shrin'in! are one and the same thin!)

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Q) +hat is the Impact on increasin! the hi!h speed - networ'?A) it wi%% increase the throu!hput o, the networ' without increasin! the number o, E1s*Q) E0p%ain 2$ optimi er responsi%ibites*AnsBQB7 I monitor

AnsBQBso,thando(er 'piCa%% 'pi

sdpa 'piAnsBQBcondition ,or power transmission*

arameter chan!in!69R -. A#R::AnsBIncrease power

QBup%in' power and down %in' power and impact on -. A AN. R::

AN-BQBCAN .I-A/ E U IN7 9+ER C9N R9AN-BQBAND ARA8ER 9 RE.UCE E C9N.I I9N2;8/ -QB.I. U +9R7 69R -EC9N. CARRIER AN-B61#6461 is Ist carrier is ,or ca%%in! etc and 64 is 4 nd carrier ,or -. AQBid%e mode we connect to 61 or 64AN-Bdepends on operator in ericsson ,1 is ,or (oice on id%e and dedicated mode and ,4 is,or dataQB-im bearin! ,or 61and ,4AnsBQB2$ to 4$ RE- 9 . FA UEAN-BQB + CAN +E 89FE 9 41*> 8/ - 6R98 G*4 8/ -AnsBmodu%ation#1>codes and more parameter is dependant