802.16e Standard Presentation

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802.16e Standard Presentation

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    Confidential Information Aperto Networks

    Tassos Michail

    Aperto Networks

    802.16e Overview

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    IEEE 802.16 Standards

    IEEE 802.16-2004 Air-interface specification for fied !road!and wireless

    metropolitan area networks

    "#$% &'( recommended for s)!-11 *'+ !ands

    IEEE 802.16,Cor1-$ Contains corrections to 802.16-2004

    standard

    IEEE 802.16e-200 Amendment to t/e 802.16-2004 standard t/at adds feat)res

    necessar to s)pport mo!ilit incl)des c/anes of Cor1-$3

    cala!le "#$%A &'( preferred for scala!le c/annel!andwidt/s and impro5ed m)ltipat/ performance in N"

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    802.16200! " 802.16e200# $rotocol %a&erin'

    Network Entr&

    M$()

    $rocessor

    *oS +Sched,lin'

    %ink

    Mana'e-ent

    AM/ "

    an'in'Service lowMana'e-ent

    3andover

    S,pportSleep Mode M4S

    A*/ontention

    State Machine

    Idle Mode

    I$v!5I$v6 Ethernet /lassiication$3S " 3eader

    /o-pression

    $rivac& " 7e& Mana'e-ent $7Mv2 AES

    SO(MA $39 %a&er

    128 #12 102! " 20!8 T S,:channeli;ation

    // /T/ 4T/ 3A* AAS ST/ MIMO

    /onver'ence

    S,:la&er

    MA/

    S,:la&er

    Sec,rit&

    S,:la&er

    $h&sical

    %a&er

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    O(MA $39 Overview

    -"#$%A 128 12 1024 and 2048 ##93 cala!le !andwidt/ from 1.2 %'+ to 20 %'+

    9$$ frame lent/ : ms3

    #lei!le s)!c/anneli+ation and /i/ ran)larit !andwidt/allocation

    #ast A%C adapti5e mod)lation and codin3 !ased on )plink C;Ic/annel dedicated c/annel 9C $&C

    %od)lation le5el ;&? 16;A% 64;A% optional in @3

    '-A=; at )plink and downlink for fast retransmissions at &'( laer

    %I%" s)pport %=C 9ransmit di5ersit 9C %3

    "ptional AA adapti5e antenna sstem3 s)pport

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    O(MA S,:/arrier Str,ct,re

    $ata s)!-carriers for data transmission

    &ilot s)!-carriers for estimation and snc/roni+ation p)rposes N)ll s)!-carriers for no transmissionB )sed for )ard !ands and $C

    carriers

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    O(MA S,:channeli;ation

    Acti5e data and pilot3 s)!-carriers are ro)ped into s)!sets of s)!-carriers called s)!-c/annels

    9/e i%AD "#$%A &'( s)pports s)!c/anneli+ation in !ot/ $

    and @

    9wo tpes of s)!-carrier perm)tations for s)!c/anneli+ation

    $i5ersit perm)tation s)c/ as $,@-&@C #@C3 $raws s)!-carriers pse)do-randoml to form a s)!-c/annel

    It pro5ides fre

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    S&ste- $ara-eters or (% $)S/ 10 M3; E

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    O(MA T(( ra-e Str,ct,re

    *$S7*$S7

    15215216*AM16*AM

    @5!@5!6!*AM6!*AM

    @5!@5!6!*AM6!*AM

    25@25@16*AM16*AM

    152152*$S7*$S7

    BB*$S7*$S7

    15!15!

    =9*99*

    F1

    F

    F2

    s,:channello'icaln,-:er

    Ti-e + O(MA S&-:ols Ts

    &=EA%>6E @6

    -%A&

    $6-%A&

    #C'

    $ >)rst G1

    $ >)rst G7

    $ >)rst G2

    $

    >)rst G

    $ >)rst G4

    @ >)rst G1

    @ >)rst G2

    k kF1 kF2 kF%F1

    $$ @@ $$

    &=EA%>6E

    &=EA%>6E

    =an2in2C/annelsC;IC

    '8AC?-C'

    #ast-feed!ack

    @ >)rst G7

    @

    >)rst G4

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    O(MA 4,rst Str,ct,re

    F1

    F

    F2

    s,:channello'ical

    n,-:er

    Ti-e + O(MA S&-:ols Ts

    &=EA%>6E

    @6-%A&

    $6-%A&

    #C'

    $ >)rst G1

    $ >)rst G7

    $ >)rst G2$

    >)rst G

    $ >)rst G4

    @ >)rst G1

    @ >)rst G2

    k kF1 kF2 kF%F1=an2in2C/annels

    C;IC'8AC?

    -C'

    #ast-feed!a

    ck

    @ >)rst G7

    @

    >)rst G4

    slot slot

    slotslot

    slot 1 s,:channel

    (% $)S/C 2 s&-:ols

    (% )S/C 1 s&-:ol

    )% $)S/C @ s&-:ols

    (%5)% AM/C 2 @ or 6 s&-:ols

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    MA/ %a&er Overview

    %&$@ constr)ction framentation,packin,reassem!l3 A=;

    >andwidt/ allocation and re

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    MA/ $() M$() or-at

    Deneric

    MA/ 3eader

    $a&load

    optional 5 varia:le len'th //

    %&$@ &aload s/all consist of +ero or more s)!/eaders +ero or more %AC $@s and,or framents t/ereof %AC manaement messaes

    %AC 'eader formats

    *eneric %AC 'eader 'eader 9pe 03

    %AC 'eader wit/o)t paload 'eader 9pe 13

    %AC inalin 'eader 9pe I )sed for !andwidt/ re

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    /oncatenation

    /oncatenation m)ltiple %&$@s and %AC /eaders wit/o)t paload3 ma !etransmitted in a sinle $ or @ >)rst for !etter !andwidt/ efficienc

    >)rsts are 2-dimensional and t/eir si+e is specified in $ J @-%A&$ >)rsts are specified as n)m!er of s)!c/annels n)m!er of "#$%A sm!ols3

    @ >)rsts are specified in n)m!er of "#$%A slots

    9/e d)ration of a !)rst in time3 s/o)ld !e an inteer n)m!er of "#$%A slots

    M$() 1 M$() 2 M$() @ $A(

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    ra'-entation and $ackin'

    MS() 1MS() 1 MS() 2

    M$() 1 M$()2

    MA/3eader

    6 :&tes

    //@2

    $ackin'

    s,:header @ :&tes

    Ethernet

    ra-e

    MS()

    MA/

    $()

    M$()

    No //@2 assi'ned

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    A,to-atic epeat e>,est A*

    $ata framented into fied-si+e !locks

    9ransmission and reassem!l alorit/m relies on a selecti5e repeat sc/eme for!etter t/ro)/p)t efficienc

    >locks recei5ed correctl are !)ffered at t/e recei5er )ntil a complete %$@ /as !eenassem!led

    A=; s)pports 4 feed!ack tpes for !etter efficienc C)m)lati5e AC?

    electi5e AC? C)m)lati5e wit/ selecti5e AC?

    C)m)lati5e wit/ >lock se3 Allows a)tomatic > allocation for )pstream re-transmissions

    A=; can !e indi5id)all t)rned "N or "## for specific flows

    No sinificant c/anes introd)ced in 16e ecept some minor corrections3K

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    E

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    4andwidth e>,ests5Drants

    A !andwidt/ re =E;3 ma come as a stand-alone !andwidt/

    re =E;s ma !e incremental or areate and t/e re =E;s s/all alwas !e incremental

    > =E;s are addressed to indi5id)al CI$s !)t t/e *rant is addressed

    to t/e Ls !asic CI$ $ependin on t/e ser5ice parameters of a flow pollin ma also !e

    allowed and s)pported

    @nicast

    %)lticast,>roadcast

    &% !it (poll-me) in *% s)!/eader

    9/e poll is not an eplicit messae instead a data rant IE s)fficient

    for a > =E; is allocated in t/e @-%A& for t/e !asic CI$ of t/e

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    *oSC /onnectionOriented MA/

    ;o framework remains mostl)nc/aned from Md to Me

    $efine ;o parameters for eac/ser5ice flow # parameters remaint/e same3

    *lo!al ser5ice classes ma !edefined and s/all remain consistentamon all >

    Associate ser5ice flows wit/ loicalconnections

    Classif incomin packets into

    ser5ice flows !ased on classifierr)les

    c/ed)le data for transmission o5erwireless link !ased on ;oparameters and sc/ed)lin policies

    Classifier

    /%S

    1

    /%S

    2

    /%Sn

    c/ed)le

    r

    /I(1 /I(2 /I(k

    /%S

    @

    ireless $ata

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    Mana'e-ent /I(s

    All connections identified ! a 16-!it CI$ At @ initiali+ation 7 pairs of -ana'e-ent connectionsare

    esta!lis/ed 5ia =N*O=& J =E*O=&3

    >asic Connection

    @sed to ec/ane s/ort time )rent %AC manaement messaes. Not s)!Pect

    to packin or framentation

    @sed for =N*-=E;,=& A=; messaes $>&C =E;,=& =E-C%$ >C-

    =E;,=& $=E*-C%$ =E&-=E;,=& AA-#>C?-=E;, =&

    &rimar %anaement Connection

    @sed to ec/ane lonermore dela-tolerant %AC manaement messaes.

    Can !e packed or framented

    @sed for =E*-=E;,=& &?%-=E;,=& $-=E;,=&,AC? %CA-

    =E;,=& 9#9&-C&9,=& econdar %anaement Connection

    @sed for dela-tolerant standards-!ased manaement messaes $'C& 9#9&

    N%&3

    Can !e packed or #ramented

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    (&na-ic Services (S

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    *oS + (ata Service T&pes

    Sched,lin' Service Tar'et Applications *oS para-eters

    @*

    @nsolicited *ranter5ice

    QoI& %aim)m s)stained rate

    %aim)m latenc

    Ritter tolerance

    rt&

    =eal-9ime &olliner5ice

    tream A)dio Qideo %inim)m reser5ed rate

    %aim)m s)stained rate

    %aim)m atenc

    9raffic &riorit

    Ert$S

    E

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    Sched,ler e>,ire-ents

    &rioriti+e %AC manaement traffic Allocate =anin c/annel for Initial,&eriodic =anin 'ando5er

    =anin and >andwidt/ =e

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    Network Entr& and Initiali;ation

    can for $C/annel #C'3

    $ (NC

    esta!lis/ed

    "!tain @

    C/annel @C$3

    &arameters

    @ C/annel

    &arameters

    @C$3

    Acasic

    Capa!ilities

    >C-=E;3

    >asic

    Capa!ilities

    Neotiated

    A)t/ori+ation

    ?e Ec/ane

    A)t/ori+ation

    Complete

    =eister wit/ >

    (Obtain Secondary

    Mgmt CID)

    =eistration

    Complete

    Esta!lis/ I&

    Connecti5it

    I&

    Complete

    Esta!lis/ 9ime

    of $a

    9ime of $a

    Esta!lis/ed

    Next Page

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    Network Entr& and Initiali;ation cont

    9ransfer

    "perational

    &arameters

    9ransfer

    Complete

    Esta!lis/

    &ro5isionedConnections

    $AO=E;,=&

    From Previous Page

    SS Operational

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    an'in' in O(MAC )se o /(MA /odes

    "#$%A &'( specifics =anin )!c/annel composed of 6 s)!c/annels or m)ltiples t/ereof3

    A set of special &se)do-noise =anin Codes 263

    Eac/ > )ses a s)!-ro)p of t/ese codes defined ! a n)m!er S:

    0 S !!

    9/is s)!ro)p of codes will !e !etween

    "S # ((S$O$%$M$) mod !')

    it/in eac/ s)!ro)p ie per >3 t/e codes are di5ided into 4 s)!sets

    Initial =anin I=3 % codes

    &eriodic =anin &=3 M codes

    >andwidt/ =e=3 codes

    'ando5er =anin '=3 O codes

    Qal)es of S#%#M##Oare specified as part of t/e @C$

    9/e > can determine t/e p)rpose of t/e recei5ed code ! t/e s)!set it !elons to

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    an'in' /hannel Allocation

    =anin allocation s)!di5ided into slots of N1 sm!ols ! N2 s)!c/annels in a Mtime-

    first order see fi)re3 N1: ranin opport)nit si+e is n)m!er of sm!ols re

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    /(MA Initial " $eriodic an'in'

    Send UL MAPcontaining

    ranging regionallocation

    Send RNG-RSPit! time"poerad#$ ranging code

    andstatus%continue

    Send UL MAPcontaining rangingregion allocation

    Send RNG-RSPit! time"poerad#$ ranging code

    andstatus%success

    &ransmit randoml'selected code in

    randoml' selectedslot

    &ransmit randoml'selected code in

    randoml' selectedslot

    Ad#ust &ime " Poer

    Ad#ust &ime " Poer

    4S SS

    @-%A&

    =anin Code

    =N*-=&

    @-%A&

    =N*-=&

    =anin Code

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    Initial an'in' Additional Step

    If t/e stat)s of =N*O=& is sccess t/e > s/all pro5ide !andwidt/ allocation fort/e % )sin t/e C$%AOAllocationOIE to send a =N*-=E; messae.

    9/e % proceeds to transmit a =N*O=E; on t/e C$%AOAllocationOIE and t/e >

    responds wit/ a =N*O=& w/ic/ incl)des a 5alid !asic CI$. At t/is point Initial

    =anin process is considered complete.

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    /ontention:ased /(MA 4andwidth e>,ests

    randoml c/ooses a code from t/e >andwidt/ =e pro5ides @ allocation for !)t instead of !asic CI$ sends

    t/e !roadcast CI$ in com!ination wit/ C$%AOAllocationOIE w/ic/ specifies

    transmit reion and ranin code3

    9/e s/all )se t/e allocation to transmit a > =E; %&$@

    If no @ allocation for is ranted ! t/e > t/e do)!les t/e 5al)e of its!ackoff window and retries >inar eponential !ackoff3

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    MA/ S,pport o $39C 3&:rid A* 3A*

    "ption 1 C/ase Com!inin CC3 9ransmitter repeatedl sends cop of t/e same packet

    =ecei5er areates ener from re3transmissions to impro5e CIN= )ntilpacket can !e decoded s)ccessf)ll

    "ption 2 Incremental =ed)ndanc I=3 Additional red)ndant information is transmitted wit/ eac/ retransmission

    Codin rate and CIN= are rad)all refined )ntil s)ccessf)l decodin isac/ie5ed

    "ption 2 /as !etter performance d)e to t/e /i/er codin ain3 !)tre

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    3A* :,rst str,ct,re

    MS() 1MS() 1 MS() 2

    MA/

    3(

    MA/

    3(

    #ramentation J &ackin

    Concatenation

    M&'( >)rst

    #C'

    $

    %A&

    %&$@1 %&$@2

    @

    %A&

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    MA/ S,pport o $39C )% /*I /hannel

    C;IC',#ast #eed!ack An )plink 2-$ reion )sed to rela time-critical &'( parameters s)c/

    as CIN=

    %I%" coefficients for 2 antennas

    %I%" confi)ration parameters 99$ 5s % "pen- 5s Closed-loop %

    &erm)tation tpe &recodin matri selection or antenna selection3 #ast-feed!ack 2-$ reion is allocated 5ia a @-%A& IE

    #ast feed!ack or C;IC' c/annels wit/in t/e #ast-#eed!ack reionma !e allocated 5ia

    Etended tpe @-%A& IEs mandator per ima profile3 or

    #ast-feed!ack s)!/eaders3

    $ata to !e transmitted wit/in fast-feed!ack c/annels notencaps)lated in &$@s !)t are instead an ort/oonal encodin ofonl a few !its of data )sin ;&?

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    Adaptive Mod,lation5/odin'

    $namic control of mod)lation and codin on a per s)!scri!er and per!)rst !asis

    "ptimal mod)lation,codin rate selected )nder 5arin link conditions

    CIN= %ean and $3 trackin on > for all

    CIN= %ean and $3 trackin on

    A5erain sc/eme same as in M16d

    #or $ adaptation )se of C;IC' c/annel can pro5ide almost real-time

    adP)stments

    No need for eplicit messaes $>&C3 from to re

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    3andover Overview

    'ando5er c/emes "ptimi+ed 'ard 'ando5er "''"3 #ast >ase tation witc/in #>3

    'ando5er Control % initiated > initiated Network initiated

    Cell election &eriodic Nei/!or Ad5ertisements from

    er5in > &eriodic inter5als for scannin nei/!or

    >Ls 'ando5er optimi+ation to s)pport

    contin)it of $@s 9aret dela 0ms for laer 2 /andoff '" decision criteria to !e

    implementation specific Servin' Sector

    Nei'h:or Sectors Scanned

    MSMS4S4S

    4S4S

    4S4S

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    3andover Sta'es

    Cell reselection Network topolo acs as tarets for /ando5er cannin wit/ association % performs initial ranin wit/ nei/!or > to epedite potential '"

    '" decision and initiation $ecision ma oriinate eit/er at t/e % or at t/e ser5in > implementation c/oice3

    %AC messae ec/ane !etween % and > is performed

    er5in > ma notif taret > o5er !ack!one 5ia AN atewa3

    nc/roni+ation to taret > downlink &rocess of % snc/roni+in to $ transmissions of taret > and o!tainin $@ transmission

    parametersB ma !e epedited if % /as pre5io)sl recei5ed &'( parameters 5ia %">ON>=-A$Q !roadcast

    =anin 'ando5er ranin )sin C$%A codes3

    '" optimi+ation 9aret > ma re o5er t/e !ack!one tofacilitate network re-entr s)c/ as >C &?% =E*

    9ermination of % contet wit/ er5in >3 % terminates ser5ice wit/ er5in > ! sendin a %">O'"-IN$ messae

    tate info aftertimeo)t of after notification 5ia !ack!one AN *atewa3

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    $ower Savin' Sleep Mode

    A state in w/ic/ an % cond)cts pre-neotiated periods of a!sence from

    t/e ser5in > air interface in order to minimi+e power cons)mption

    %istens%istens

    $eriodic listenin' Intervals

    SleepsSleeps SleepsSleeps

    $eriodic sleep Intervals

    ActiveActive

    Frames received

    and MS states

    %istens%istens

    % Normal 9 or =

    % re toenter sleep mode to

    sa5e power

    leep mode Sstart

    frameL is indicated

    % sleeps for inteer G of

    frames called sleep inter5al

    No % 9 or = d)rin t/is

    inter5al

    &ower sa5in classes

    s)pported pro5ide flei!le wake

    )p met/ods

    % istens for inteer

    n)m!er of frames called

    listenin inter5al

    &ain detected in t/is

    inter5al

    If $ata traffic waitin on >

    it is indicated

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    $ower Savin' Sleep Mode cont

    $efinition acti5ation and deacti5ation of sleep mode can !e eit/er >- or%-initiated t/ro)/ one of t/e followin mec/anisms

    %">-&O=E;,=& messae ec/ane ma incl)de class definition as well3

    >= /eader w, @plink leep Control3 and $ leep Control )!-/eader

    transaction

    tandard defines 7po*er sa+ing classesw/ic/ differ ! sleep,listen

    window d)ration pattern and policies of % a5aila!ilit for %$@ data

    transmission

    &er i%AD sstem profile onl Po*er Sa+ing Class Iis mandator

    &eriodic ranin d)rin sleep mode s/all contin)e

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    Idle Mode $a'in'

    % )ses special mode called MIdle mode to recei5e !roadcast,m)lticast ser5ice wit/o)treistration at specific >

    % associates to !roadcast reion formed ! pain ro)p $ traffic recei5ed !)t no @ 9 wit/in !roadcast reion Cell election as in /ando5er3 ma occ)r !)t no acti5e re

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    Idle Mode cont

    % performs location )pdate at fied inter5als or w/ene5er a c/ane int/e pain ro)p is detected

    > periodicall !roadcasts a pain messae %">O&A*-A$Q3 )sin t/e

    !roadcast CI$ or Idle mode m)lticast CI$

    &)rpose of %">O&A*-A$Q messae

    to notif one or more %s of $ traffic pendin

    to re

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    EndtoEnd GiMAH Architect,re

    End-to-end arc/itect)re !ased on an All-I& platform t/at s)pports Qoice and m)ltimedia ser5ices

    Access to independent Application er5ice &ro5ider A&3 networks in

    an anostic manner

    %o!ile telep/on comm)nications )sin QoI&

    Interfacin wit/ 5ario)s interworkin and media atewas permittindeli5er of leac ser5ices o5er I& % %% A& etc3

    $eli5er of !roadcast and m)lticast ser5ices I&9Q3

    Interworkin wit/ eistin wireless 7*3 and wireline $ %"3

    networks

    =oamin across i%AD operator networks @ser a)t/entication formats

    %o!ilit manaement and /ando5ers

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    Confidential Information Aperto Networks

    GiMAH Network I$:ased Architect,re

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    C fid ti l I f ti A t N t k

    Thank 9o,