WCDMA GSM PLANNING

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    www.huawei.com

    HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI ConfdentialPae !

    WC"#A $NP CW Te%t and P&o'aation

    #odel Tunin

    Inte&nal

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    Pae (

    Int&oduction

     CW te%t )Continuou% Wa*e te%t+ i% an im'o&tant %te' o P&o'aation #odel  Tunin. Acco&din to the CW te%t data )includin latitude-lonitude and &ecei*ed le*el+ and co&&e%'ondin "iital ma'%, we can et the accu&ate P&o'aation #odel th&ouh tunin.

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    Pae 

    Chapter 1 Principle of Radio

    Propagation and CW Test

    Chapter 2 CW Test Flow

    Chapter 3 Analysis of CW Test Data

    Chapter 4 Propagation Model

    Tning

    CONTENT

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    P&inci'le o $adio P&o'aation and CW Te%t

     Section 1 Basic Principle of

    Radio Propagation

     !ection 2 Principle of

    Propagation Model Tning

     !ection 3 Prpose of CW

    Test

     !ection 4 "asic Principle of

    CW Test

     

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    $adio Wa*e1and Cla%%ifcation$adio Wa*e1and Cla%%ifcation

    Frequencies in dierent bands have dierent propagation characteristics.

    300-3000GHz

    EHFExtremely High Frequency

    30-300GHz

    SHFSuper High Frequency3-30GHz

    UHFUltra High Frequency300-3000MHz

    VHFVery High Frequency30-300MHz

    HFHigh Frequency3-30MHz

    MFMedium Frequency300-3000KHz F!" Frequency30-300KHz

    VFVery-l!" Frequency3-30KHz

    VFV!ice Frequency300-3000Hz

    EFExtremely !"

    Frequency

    30-300Hz

    3-30Hz

    #e$ignati!n%la$$i&icati!nFrequency

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    Perpendiclar incidence wa'e

    and grond re+ection wa'e ,&ost co&&on propagation &odes- 

    Troposphere re+ection wa'e  ,the propagation is 'ery rando&- 

    Montain di.raction wa'e ,shadow area signal sorce-

    /onosphere refraction wa'e  ,0eyondthehorion co&&nication path-

    P&o'aation Path

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    ①Re+ected wa'e of 0ilding Di.racted wa'e Direct wa'e 5Re+ected wa'e on the grond

    Cha&acte&i%tic% o $adio P&o'aation

     #lectric wa'e propagation syste&

    of 6and Mo0ile Co&&nications

     Radio

    propagation in

    actal

    en'iron&ent

     6%! and 76%!

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    Cha&acte&i%tic% o $adio Channel%Cha&acte&i%tic% o $adio Channel%

    d ,&-

    Pr ,d"&-

    18 28 38

    28

    48

    98

    !low fading

    Fast fading 

    Radio channels 'arywith ser:s position and ti&e;

     Mltipath scattering and o0strction reslt in acte

    changes to recei'ed power; !low fading • Attenation* Pr is in direct

    proportion to 1

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    "i*e&%it4 Technolo4"i*e&%it4 Technolo4

    #ea%u&e% aain%t a%t adin; di*e&%it4

    technoloie% - E3'licit di*e&%it4

    • S'ace di*e&%it4 • Pola&i?ation di*e&%it4 • @&e5uenc4 di*e&%it4:GS#;&e5uenc4 ho''in WC"#A;

    %'&ead %'ect&um

    - Im'licit di*e&%it4 • Im'licit di*e&%it4 u%e% %inal '&oce%%in technoloie% to

    hide di*e&%it4 unction% into %inal% unde& t&an%mi%%ion,

    %uch a% $ABE &ece'tion technolo4, inte&lea*in and e&&o&code co&&ection. • $ea&ded a% time di*e&%it4

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    "ela4 S'&ead"ela4 S'&ead

     #ulti'ath '&o'aation8 Sinal% on di:e&ent 'ath% &each the &ecei*e& at di:e&ent time.

     When the &ecei*e& ail% to di%tinui%h multi'ath %inal%, co;channel inte&e&ence )CCI+ occu&%. In the WC"#A %4%tem, onl4 the multi'ath dela4 la&e& than one chi' 'e&iod )>.!0%, 26m+ can 1e &econi?ed.

      T4'ical *alue )%+8 O'en D >.!, Su1u&1an  >./, U&1an  (

    !oltions #)aliation and RA=# technology

    #)aliation and RA=# technology

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    Pae =

    "o''le& @&e5uenc4 Shit

     E3am'le o "o''le& e:ect8 A t&ain i% 'a%%in 14 4ou.

    f 1

    f 2

    f 3

    V ( k m / h )

     "o''le& &e5uenc4 %hit in #o1ile Communication%

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    Pae =/

    '

    '

    •  "i:&action lo%%   •  Penet&ation lo%%

    •  Clutte& lo%%

    Lo%%

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    Pae =2

    •  O1%tacle-'enet&ation lo%% i%8

      Pa&tition o1%t&uction8 /~ !>dF   @loo& o1%t&uction8 > !>dF

      O1%t&uction o u&nitu&e and othe& 1a&&ie&%8 !~

    =/dF

      Thic9 la%%8 0~ =>dF

      Penet&ation lo%% o the ca&&iae o the t&ain8 =/ ~ (>dF

    Penet&ation lo%% o lit8 (>dF o& %o

      Lo%% o thic9 lea*e%8 =>dF

    Penet&ation Lo%%

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    $adio P&o'aation En*i&onment$adio P&o'aation En*i&onment

    $adio '&o'aation en*i&onment dete&mine% the

    '&o'aation model% di&ectl4. And '&o'aation

    en*i&onment i% im'acted 14 the ollowin acto&%8

    •  Lando&m )te&&ain+8 mountain, hill, 'lain, wate&%, and

    *eetation

    • Clutte&8 1uildin, &oad and 1&ide

    • Noi%e8 natu&al noi%e and a&tifcial noi%e

    • Climate8 &ain, %now and ice )tin4 e:ect on UH@ 1and+

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    $adio P&o'aation En*i&onment$adio P&o'aation En*i&onment  T4'e o &adio en*i&onment

     $adio en*i&onment i% cla%%ifed a% ollow%, acco&din to ITU;$

    P.===;= and %'ecifc condition% in China.

    Propagation

    environment Description

    Dense urban Many tall buildings, signals fail to diffract from the roof of

    building .

    Urban Signals can diffract from the roof due to low buildings and wide streets.

    Suburban ow and s!arse buildings

    "ural ow and s!arse buildings, but with lots of #egetation

    Mountainous areas

    "oad

    $ndoor 

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    P&inci'le o $adio P&o'aation and CW

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    P&inci'le o $adio P&o'aation and CW  Te%t

     !ection 1 "asic Principle of

    Radio Propagation

     Section 2 Theory of

    Propagation odel Tuning

     !ection 3 Prpose of CW

    Test

     !ection 4 "asic Principle of

    CW Test 

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    Pae !!

    $adio P&o'aation #odel

    Propagation &odel is sed to predict the e.ect of terrain@ o0stacle and arti$cial en'iron&ent on the path loss;

    WCDMA co&&on propagation &odelsWCDMA co&&on propagation &odels

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    Pae !(

     O9umu&a-Hata model

      @o&8 7>>#- =/>>#H?

     COST!(=;Hata model

      @o&8 =/>>;!>>>#H?

     COST!(= Walf%h;I9eami model   @o&8 6>>#;!>>>#H?

      Beenan;#otle4 model

      @o& indoo& '&o'aation

    P&o'aation model in UNET

      @o& mac&o cell on (>>#- !>>># 

    %!mm!n pr!pagati!n m!del$

    Radio Propagation Model

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    Pae !/

    P&inci'le o $adio P&o'aation and CW Te%t

     !ection 1 "asic Principle of

    Radio Propagation

     !ection 2 Theory of

    Propagation Model Tning

      Section ! Purpose of "#

    Test 

     !ection 4 "asic Principle

    of CW Test

     

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