Touseef Abbas Presentation

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    TTT4160-1Mobile

    CommunicationsProfessor Geir E. ien

    IET, NTN

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    !utline

    Course Info an" bac#$roun"

    Course %&llabus

    'ireless (istor& an" Tren"s'ireless )ision for t*e +uture

    Tec*nical C*allen$es

    Current 'ireless %&stemsEmer$in$ 'ireless %&stems

    %ectrum e$ulation

    %tan"ar"iation

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    Course Information/Peole

    ecturer/

    Prof. Geir E. ien, room C42, Ele#troblo## C. Tlf/ 2413.

    Mail/ oieniet.ntnu.no.

    Teac*in$ 5ssistants/

    %bastien "e la et*ulle "e &*o7e, room C31b,Ele#troblo## C. Tlf/ 26288. Mail/ "ela#et*iet.ntnu.no.

    C*an$mian 'an$, room C31b, Ele#troblo## C. Tlf/ 2680.Mail/ c*an$miaiet.ntnu.no.

    mailto:[email protected]:[email protected]
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    cont9"

    Prere:uisites/ TTT41;3 Information t*eor&,co"in$ an" comression < TTT410 =i$italCommunications >or forei$n e:ui7alents?

    e:uire" Te@tboo#/Wireless Communications, b& Prof.Andrea J.

    Goldsmith>Cambri"$e ni7ersit& Press,a7ailable at Tair boo#store?

    Class (omea$e/*tt/AABBB.iet.ntnu.noAcoursesAttt4160AN Bebsite not &et u"ate"...D

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    Course ac#$roun"

    T*is course is artl& base" on a course B*ic* *as been "e7eloe"an" tau$*t reeate"l& b& ProfessorAndrea Goldsmith>te@tboo#aut*or? at %tanfor" ni7ersit& in t*e ast "eca"e.

    Presentation Bill be artl& base" on material from t*e %tanfor"course >cre"its to Prof.Homayoun Hashemifor some of t*esli"es?.

    %ulements from locall& "e7eloe" course an" $uest lecturers.

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    E@ercises/ !ne comulsor& mi"termF e@ercise, t*e rest 7oluntar& Mostl& Britten e@ercises, but ossibl& also some in Matlab later E@ercises Bill be assi$ne" "urin$ lectures, an" are "ue ne@t

    Mon"a& before 1; am for t*ose B*o Bant t*eir ansBers c*ec#e"b& t*e T.5.

    No e@ercise assi$ne" to"a&/ rst on Mon"a&, Hanuar& 13t*. (el from teac*in$ assistant Bill be $i7en in E4, Tues"a&s

    16.13 - 1.00 >rst on Hanuar& 16t*?. E@ercise sessions >e@cet rst?/ Combination of re7ieB of last

    Bee#9s e@ercise < *el Bit* t*e current Bee#9s.

    E@am/ 'ritten e@am, 02.00 - 1.00, %atur"a&, Hune ;n",;008

    Gra"in$/ 5 - + scale, base" on nal e@am onl&

    Course Information,continue"

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    TentativeCourse

    %&llabus !7er7ieB of 'ireless Communications >C*. 1? A1-08 Pat* oss an" %*a"oBin$ >C*. ;? 13A1-08 %tatistical +a"in$ Mo"els >C*. ? ;;A1-08 Caacit& of 'ireless C*annels >C*. 4.1 - 4..1? ;2A1-08 =i$ital Mo"ulation an" its Performance >C*. 3C*. 2.1 - 2.4? 1;A-08 =i7ersit& >C*. 8.1 - 8.? 12A-08 %rea" %ectrum >C*. 1? ;6A-08 < 16A4-08 Cellular %&stems an" Infrastructure-ase" 'ireless NetBor#s >C*. 13? ;A4-08 T*e G%M %&stem >$uest lecture b& =r.Magne Pettersen, Telelan? 0A4-08

    N!TE 1/ 5 more "etaile" s&llabus Bill be *an"e" out toBar"s t*e en" of t*ecourse.

    N!TE ;/ Most of t*e rest of t*e boo# Bill be co7ere" b& t*e in-"et* mo"ule>s#all-emne? ommuni#asJons- o$ #o"in$steori for trK"lLse #analerF, fall;008.

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    'ireless >Pre-?(istor& Pre-historic times: smoke signals, bonfres,lighthouses, torches1895: frst radio transmission (Marconi, sle o! "ight,18 mile distance#

    1915: "ireless $oice transmission establishedbet%een &an 'rancisco and e% )ork19*5: +rthur larke(sci-f %riter# suggestsgeostationary satellites19*.: Public mobile tele/hon0 introduced in 5 2&

    cities19*3: n$ention o! cellular conce/t (+44#1953: 'irst de/lo0ed communication satellite(&/utnik, &o$iet 2nion#19.6: 'irst de/lo0ed geostationar0 satellite (+&+#

    1931: 'irst /acket-based radio net%ork (+7+4,2ni$ o! a%aii#

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    'ireless (istor&,cont9"

    +irst Mobile a"io Tele*one 12;4

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    Pre-Cellular 'ireless

    !ne *i$*l&-ele7ate", *i$*-oBere"antenna in a lar$e ser7ice area

    %mall number of c*annels >feBusers?

    5nalo$ transmission, ineicient

    use of sectrum >no fre:uenc&reuse?

    )er& loB caacit&, oBer-ineicient

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    T*e Cellular Concet

    asic

    Princiles/+re:uenc& e-useCell %littin$

    >+irst roose" b&D.H. Ringat ell

    aboratories, NH,

    %5 in 1248.?

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    Cellular -Imlementation

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    Cellular -Imlementation

    NB: Not entirely wireless since

    base stations are connected bywired network!

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    e-use c*annels to ma@imiecaacit&

    Geo$ra*ic re$ions are "i7i"e" into cells +re:uenciesAtimeslotsAco"es reusedat satiall& searate" locations. N! Co"channel inter#erence>betBeen same-color cells beloB?. ase stationsAMT%!s >Mobile Tele*one %Bitc*in$ !ices? coor"inate hando$ and controlfunctions %*rin#in$ cell sie increases caacit& - but also netBor#in$ bur"en..

    BASE

    STATION

    MTSO

    ll l *

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    Cellular P*oneNetBor#s

    %%

    MT%!

    P%TN

    MT%!

    %

    San Francisco

    New YorkInternet

    PSTN: Public Service

    Telephone Network

    * i l

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    T*e 'irelesse7olution

    Cellular is t*e fastest $roBin$ sector of communication in"ustr&>e@onential $roBt* since 12;, Bit* o7er ; billion usersBorl"Bi"e to"a&?

    Mo"ern-"a& $enerationsF of Bireless >re-cellular/ 0G?/

    +irst Generation>1G - e@. NMT, ca. 12; - ?/ 5nalo$ ;3 or 0 ( +M,

    7oice onl&, mostl& 7e*icular communications. %econ" Generation>;G - e@. G%M, ca. 122 - ?/ NarroBban" T=M5 an"

    C=M5, 7oice an" loB bit-rate "ata, ortable units.

    ;.3G - ;.83G/ En*ancements to ;G netBor# for increase" "atatransmission caabilities >e@. GP% < E=GE, ca. ;000 - ?.

    T*ir" Generation>G - MT%AIMT-;000, ca. ;00; - ?/ 'i"eban" T=M5an" C=M5, 7oice an" *i$* bit-rate "ata, ortable units

    4t* Generation >4GAG, ca. ;010 - ?/ ... (etero$eneous netBor# ofse7eral interactin$ s&stemsAnetBor#s, not one "e"icate" netBor#O"i7erse, a"7ance", a"ati7e air interfaces, rotocols, an" resourceallocation mec*anismsO multitu"e of ser7ices inclu"in$ *i$*-caacit&multime"ia?

    l" l

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    'orl" Telecom%tatistics

    Crosso7er *aene" in Ma& ;00;...D

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    %ubscribers b& Tec*nolo$&- as of Hune ;006

    ;.41 illion Cellular Customers 'orl"Bi"e

    G%MAMT% totals ;. of t*is >G%M "ominates?

    (PD: Personal Diital ellular"

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    =istribution as of Hune;006

    G%M G * 122

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    G%M GroBt* - 122 toHune ;006

    E i i

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    E@citin$=e7eloments

    Internet an" lato use e@lo"in$

    'ireless 5Ns an" P5Ns $roBin$ rai"l&

    (u$e cell *one oularit& Borl"Bi"eEmer$in$ s&stems suc* as luetoot*,

    ', Qi$bee, an" 'iM5R oenin$ neB"oors

    Militar& an" securit& Bireless nee"s Imortant inter"iscilinar& alications

    %ensor netBor#s

    N # >T*

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    NetBor#s >T*e'ireless )ision?

    'ireless InternetaccessNt* $eneration

    Cellular'ireless 5" (ocNetBor#s%ensor NetBor#s'irelessEntertainment

    %mart(omesA%aces5utomate"(i$*Ba&s5ll t*is an" moreS

    Ubiquitous Communication Among People and Devices

    (ar" =ela& Constra

    (ar" Ener$& Constr

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    =esi$n C*allen$es

    T*e Bireless c*annel is a "iicult an" caacit&-limite" broa"cast communications me"iumD

    Traic atterns, user locations, an" netBor#con"itions are constantl& c*an$in$...

    Traic is nonstationar&, bot* in sace an" intime

    Ener$& an" "ela& constraints c*an$e "esi$nrinciles across all la&ers of t*e rotocolstac# >oints toBar"s cross"layer design%

    E l ti f C t

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    E7olution of Current%&stems

    'ireless s&stems to"a&;G < ;.3G Cellular/ 0-80 bAs.'5Ns/ 10 MbAs.

    Ne@t Generation;.83G < G Cellular/ 00 bAs.'5Ns/ 80 MbAs.

    Tec*nolo$& En*ancements(ar"Bare/etter batteries. etter circuitsArocessors.

    Co-otimiation Bit* transmission sc*emes.

    in#/5ntennas, mo"ulation, co"in$, a"ati7it&, =%P,'.NetBor#/=&namic resource allocation. Mobilit&

    suort.

    G IT " l "

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    G/ IT-"e7eloe",MT%AIMT-;000

    Satellite

    Macrocell Microcell

    Urban In-Building

    Picocell

    Global

    Suburban

    Basic Terminal

    PDA Terminal

    Audio/Visual Terminal

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    +uture Generations

    Rate

    Mobility

    2G

    3G

    4G

    802.11b WLAN

    2G Cellular

    Other Tradeo!"

    Rate #!. Co#era$e

    Rate #!. %elay

    Rate #!. Co!t Rate #!. &'er$y

    Still" (u'da)e'tal %e!i$' *rea+throu$h! Needed

    C t 'i l

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    Current 'ireless%&stems

    Cellular %&stems

    'ireless 5Ns >0;.11aAbA$, 'i-+i? %atellite %&stems

    Pa$in$ %&stems

    luetoot*

    ltraBi"eban" ra"ios >'?

    Qi$beeA0;.13.4 ra"ios

    'iM5R >0;.16?

    'i l l 5

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    'ireless ocal 5reaNetBor#s >'5Ns?

    '5Ns connect localF comuters

    >100 m ran$e?rea#s "ata into ac#etsC*annel access is s*are" >ran"om

    access? -

    01011011

    ,'ter'et

    A--e!!

    oi't

    0101 1011

    'i l 5N %t " "

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    'ireless 5N %tan"ar"s>'i-+i?

    0;.11b >Current Generation?%tan"ar" for ;.4G( I%M ban" >bB 0 M(?+re:uenc& *oe" srea" sectrum1.6-10 Mbs, 300 ft ran$e

    0;.11a >Emer$in$ Generation?%tan"ar" for 3G( NII ban" >bB 00 M(?!+=M Bit* time "i7ision;0-80 Mbs, 7ariable ran$e%imilar to (ier5N in Euroe

    0;.11$ >NeB %tan"ar"?%tan"ar" in bot* ;.4 G( an" 3 G( ban"s!+=M >multicarrier mo"ulation?%ee"s u to 34 Mbs

    ,' utureall WLAN

    -ard! /ill

    ha#e all 3

    !ta'dard!...

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    %atellite %&stems

    Co7er 7er& lar$e areas

    =ierent orbit *ei$*tsGE!s >2000 m? 7ia ME!s to E!s >;000 m?Tra"e-o betBeen co7era$e, rate, an" oBer bu"$etD

    !timie" for one"&ay transmission!a"io >e.$. =5? an" mo7ie >%atT)? 'roadcasting

    Most tBo-Ba& s&stems stru$$lin$ or ban#rut...>Too? e@ensi7e alternati7e to terrestrial s&stems

    >ut/ a feB ambitious s&stems on t*e *orion?

    P i % t

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    Pa$in$ %&stems>PersonsL#?

    roa" co7era$e for >7er&? s*ort

    messa$in$Messa$e broa"cast from all base

    stations%imle terminals

    !timie" for 1-Ba& transmission

    5nsBer-bac# is *ar"(verta)en 'y cellular

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    8C32810.61-Cimini-7/98

    luetoot*

    Cable relacementF + tec*nolo$& >loB

    cost?

    %*ort ran$e >10 m, e@ten"able to 100 m?

    ;.4 G( I%M ban" >croB"e"D?

    1 =ata >800 bs? < 7oice c*annels

    'i"el& suorte" b& telecommunications,PC, an" consumer electronics comanies

    +eB alications be&on" cable relacementD

    lt 'i" b " "i

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    ltra'i"eban" a"io>'?

    *m+ulsera"io/ sen"s ulses of tens of icosecon"s >10 -1;?

    to nanosecon"s >10-2? - "ut& c&cle of onl& a fraction of a

    ercent

    ses a lot of ban"Bi"t* >or"er of G(?

    oB robabilit& of "etection b& ot*ers < benecial

    interference roerties/ loB transmit oBer >"ensit&?

    srea" o7er Bi"e ban"Bi"t*

    T*is also results in short range.

    ut / E@cellent ositionin$ >ran$in$? caabilit& < otential

    of *i$* "ata rates

    Multiat* *i$*l& resol7able/ bot* $oo" an" ba" Can use e.$. !+=M or e:ualiation to $et aroun" multiat*

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    '*& is ' interestin$

    ni:ue ocation an" Positionin$ roerties1 cm accurac& ossible

    oB PoBer CM!% transmitters100 times loBer t*an luetoot* for same ran$eA"ata

    rate

    )er& *i$* "ata rates ossible >alt*ou$* lo&s+ectral e$iciency? - 300 Mbs at 10 feet ran$e un"ercurrent re$ulations

    8.3 G* of free sectrumF in t*e .%.

    +CC >+e"eral Communications Commission? recentl& le$alie"' for commercial use in t*e %%ectrum allocation o7erla&s e@istin$ users, but alloBe" oBer

    le7el is 7er& loB, to minimie interference

    Moore9s aB a"ioF=ata rate scales Bit* t*e s*orter ulse Bi"t*s ma"e ossible Bit*

    e7er faster CM!% circuits

    IEEE 0; 13 4AQi$ee

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    IEEE 0;.13.4AQi$eera"ios

    oB-ate 'P5N >'ireless Personal 5rea NetBor#? - forcommunications U 0 meters.

    =ata rates of ;0, 40, ;30 #bs

    %tar toolo$& or eer-to-eer oeration, u to ;33"e7icesAno"es er netBor#

    %uort for loB-latenc& "e7ices

    C%M5-C5 >carrier sense multile access Bit* collisiona7oi"ance? c*annel access

    )er& loB oBer consumtion/ tar$ets sensor net&or)s>batter&-"ri7en no"es, lifetime ma@imiation?

    +re:uenc& of oeration in I%M ban"s

    Interoerabilit& for MicroBa7e

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    Interoerabilit& for MicroBa7e

    5ccess

    %tan"ar"s-base" >P(V la&er/ IEEE 0;.16 'ireless M5N famil&AET%I(ierM5N? tec*nolo$&, enablin$ "eli7er& of Flast mileF >out"oor?

    Bireless broa"ban" access, as an alternati7e to cable an" =% >M5N WMetroolitan 5rea NetBor#?. %e7eral ban"s ossible.

    !+=M-base" a"ati7e mo"ulation, ;36 subc*annels. T=M>5?-base".

    5ntenna "i7ersit&AMIM! caabilit&. 5"7ance" co"in$ < (5X. +i@e", noma"ic, ortable, an" mobile Bireless broa"ban" connecti7it&

    Bit*out t*e nee" for "irect line-of-si$*t >!%? to base station.

    In a t&ical cell ra"ius "elo&ment of to 10 #ms, e@ecte" to "eli7ercaacities of u to 40 Mbs er c*annel, for @e" an" ortable access.

    Mobile netBor# "elo&ments are e@ecte" to ro7i"e u to 13 Mbs of

    caacit& Bit*in a t&ical cell ra"ius "elo&ment of u to #ms. 'iM5R tec*nolo$& alrea"& *as been incororate" in some noteboo#

    comuters an" P=5s. Potentiall& imortant art of 4G

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    =ata rate

    #$ kbits%sec

    #$$ kbits%sec

    # &bit%sec

    #$ &bit%sec

    #$$ &bit%sec

    $ ') * ')#') + ') , ')- ') . ')

    /$*0##a

    12B3iBee

    Bluetooth

    3iBee

    /$*0##b

    /$*0##

    +'

    12B

    4re5uencies occupied

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    an$e

    # 6

    #$ 6

    #$$ 6

    # k6

    #$ k6

    $ ') * ')#') + ') , ')- ') . ')

    /$*0##a

    12B

    3iBee Bluetooth3iBee

    /$*0##b7

    +'

    12B

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    PoBer =issiation

    # 62

    #$ 62

    #$$ 62

    # 2

    #$ 2

    $ ') * ')#') + ') , ')- ') . ')

    /$*0##a

    12B

    12B

    3iBee

    Bluetooth

    3iBee

    /$*0##b+'

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    Emer$in$ %&stems

    5" *oc Bireless netBor#s

    %ensor netBor#s

    =istribute" control netBor#s

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    5"-(oc NetBor#s

    Peer"to"+eer communications. No bac#bone infrastructure >no base stations?.

    I.e. Trul& BirelessFD outin$ can be multiho+. Toolo$& is dynamicin timeO netBor#s sel#"organi,e. No centralie" cooor"ination. +ull& connecte", e7en Bit* "ierent lin# %INs >si$nal-

    to-interference lus noise ratios?

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    =esi$n Issues

    5"-*oc netBor#s ro7i"e a Ye@ible netBor#infrastructure for man& emer$in$ alications.

    T*e caacit& of suc* netBor#s is *oBe7er &et

    $enerall& un#noBn >*ot researc* toic?.

    Transmission, access, an" routin$ strate$ies fora"-*oc netBor#s are $enerall& also still a"-*oc...

    Cross"layer designcritical an" 7er& c*allen$in$.

    -nergy constraintsimose interestin$ "esi$ntra"eos for communication an" netBor#in$>no"es t&icall& batter&-"ri7en?.

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    -nergy is the drivingconstraint

    No"es t&icall& oBere" b& nonrechargea'le batteries.=ata >sensor measurements? YoB to one centralie"

    location >sin# no"e, "ata fusion center?.oB er-no"e rates - but u to 100,000 no"es.%ensor "ata *i$*l& correlate" in time an" sace.No"es can coo+erate in transmission, recetion,

    comression, an" si$nal rocessin$.

    Ener$& Constraine"

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    Ener$&-Constraine"No"es

    Eac* no"e can onl& sen" a nite number of bits.Transmit ener$& minimie" b& ma@imiin$ bit timeCircuit ener$& consumtion increases Bit* bit time Intro"uces a delay versus energy tradeo$for eac* bitD

    %*ort-ran$e netBor#s must consi"er transmit,circuit, an" rocessin$ ener$& - Jointl&.Most so*isticate" transmission tec*ni:ues not

    necessaril& most ener$&-eicientD%lee mo"es sa7e ener$& - but comlicate netBor#in$.

    C*an$es e7er&t*in$ about t*e netBor# "esi$n/it allocation must be otimie" across all rotocols.=ela& 7s. t*rou$*ut 7s. no"eAnetBor# lifetime

    tra"eos.!timiation of no"e cooeration.

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    %ectrum e$ulation %ectrum is a limite" natural resource use" b& man&.

    T*e &orld&idera"io sectrum is controlle" b& IT-

    >International Telecommunications nion? In-uro+e, b& ET%I >Euroean Telecommunications

    %tan"ar"iation Institute?. In t*e /, b& +CC >+e"eral Communications CommissionO

    commercial? an" !%M >!ice of %ectral Mana$ementO"efense?.

    InNor&ay, b& Post- o$ teletils&net >PT?.

    %ectrum can be auctione", ai" @e" rice for, or $i7en

    aBa&F >unlicense" ban"s?.

    %ome sectrum t&icall& set asi"e for uni7ersal use.

    Re$ulatio' althou$h 'e-e!!ary -a' al!o !tu't i''o#atio' -au!e e-o'o)i-

    di!a!ter! a'd delay !y!te) rollout... -. MTS !e-tru) au-tio'! i' &uroe

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    %tan"ar"s Interactin$ s&stems re:uire stan"ar"iation >comatibilit&,

    interoerabilit&?

    T&icall&/ Comanies Bant t*eir oBn s&stems a"ote" asstan"ar"D5lternati7el&/ tr& for "e-factoF stan"ar"s

    'orl"Bi"e stan"ar"s "etermine" b& IT-T >InternationalTelecommunications nion?

    In Euroe, b& ET%I >Euroean Telecommunications%tan"ar"iation Institute?

    In t*e % b& TI5 >Telecommunications In"ustr& 5ssociation? IEEE stan"ar"s often a"ote" >also Borl"Bi"e? Process frau$*t Bit* ineiciencies an" interest conYicts...

    Sta'dard! or -urre't !y!te)! are !u))ari5ed i' Ae'di6 % i' the

    te6tboo+.

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    Main Points T*e Bireless 7ision for t*e future encomasses man& e@citin$

    s&stems an" alications

    Tec*nical c*allen$es transcen" across all la&ers of t*e s&stem"esi$n.

    Cross"layer design is emer$in$ as a #e& t*eme in Bireless.

    E@istin$ an" emer$in$ s&stems ro7i"e e@cellent :ualit& forcertain alications, but oor interoerabilit&.

    %tan"ar"s an" sectral allocation *ea7il& imact t*e

    e7olution of Bireless tec*nolo$&.

    T*is course Bill *oBe7er focus on 'asic technology issuesrelate" to an" rele7ant for current and u+coming &irelesssystems.