IEE/CEEM Seminar: Kang G. Shin and Energy-Minimizing Idle Listening in WiFi-Equipped Mobile Devices

8/13/2019 IEE/CEEM Seminar: Kang G. Shin and Energy-Minimizing Idle Listening in WiFi-Equipped Mobile Devices

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!"#$%&'()")*)+)"% -./# >)6


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PiGi gmr dmlico hovijos

PiGi; pmpucfr dofes mg wirocoss Ietoreot jmeeojtime

PiGi; f dfie oeor`y jmesudor ie dmlico hovijos

dmro tbfe @ZD me joccpbmeos, ovoe

ie ihco dmho (w/m pfjaot tx/rx)

Pby=

PiGi bmtspmts ieFee Frlmr

68x


3/43

Ihco Cistoeie` (IC) is oxpoesivo!

IC pmworis jmdpfrflco tm XR/\R

Aemwe gmr PiGi hovijos

PiGi spoehs dmst mg tidoie IC

Huo tm tbo efturo mg PiGi JZDF

Pby=

Fefcm` jmdpmeoets Hi`itfc jmdpmeoets

Fcc jmdpmeoets stfy fwfao feh rue ft gucc spooh hurie` IC

IC hmdieftos PiGis

oeor`y jmesudptime!


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Ztfto-mg-tbo-frt

Zcoop sjbohucie` (2>


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Is PiGi scoop sjbohucie` `mmh oemu`b=

Fefcyzoh rofc-wmrch PiGi pfjaot trfjos

JHGs mg tidofeh oeor`ygrfjtimes spoet ie IC

M6.36>% mg tido spoet gmr tx/rxM% mg oeor`y spoet ie IC gmr dmst usors


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Pby=

Oeor`y/wfit jmst is sbfroh fdme` fcc jcioets

Xbo dmro jcioets, tbo dmro wfit/oeor`y is wfstoh ie

IC gmr ofjb jcioet!

Ovoe ig tbo jcioet aemws oxistoejo mg f pfjaot tm soeh mrrojoivo, it dust PFIXgmr f jbfeeoc fjjoss mppmrtueity

Ovoe ig tbo jcioet aemws oxistoejo mg f pfjaot luggoroh ft F ,it dust PFIXgmr its turetm rojoivo

Jmetoetime tido (jfrrior soesie` & lfjamgg)

Vuouie` hocfy


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Aoy Mlsorvftimes feh Ihof

Dfie mlsorvftimes;

\ftimefco; ^mwor Jcmja-rfto

Aoy ihof;

IC oeor`y 4 Xido " ^mwor

^fjaotIC !!

Oxistiie` PiGi

Jmestfetjcmja-rfto

^fjaotJcmjatijas

IC !!

Mur Zmcutimes

Fhfptivojcmja-rfto

scoop

sjbohucor O-DiCi

!


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^mwor sfvie`s ly hmwejcmjaie`

>6>..8>.7>.2

66.;

2>


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Fhhrossie` mvorbofh

Zmcutime; dieidud-jmst fhhross sbfrie`

^rmlcod;

^rofdlco coe`tb eudlor mg fhhrossos

Fccmw ductipco emhos tm lo fssièoh tbo sfdo fhhross

Fhhross fccmjftoh fjjmrhie` tm jbfeeoc usfò;

Gmrducftoh fs fe ietoòr prm`rfd feh smcvoh vif fpprmxidftime

Jcioets witb bofvy jbfeeoc usfò sbfrofhhross cosswitb mtbors

!


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Zwitjbie` mvorbofh

Hocfy jfusoh ly jcmja-rfto switjbie`

^rmlcod; bmw tm provoet/dieidizo mutf`o=

Zmcutime; Mppmrtueistij Hmwejcmjaie` (MHmj)

Hmwejcmja tbo rfhim ig tboro is ueciaocytm lo fey pfjaot frrivfc

witbie tbo switjbie` tido

Bmw hm wo aemw tbis=

pfjaotJcmjatijas

!!

gucc-jcmja hmwe-jcmja

switjbie` porimh (9.?~6?6 )s

pfjaot

mutf`o ovoet


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Mppmrtueistij Hmwejcmjaie` (MHmj)

Zopfrftohotordieistijpfjaot frrivfcs!em hmwejcmjaie`,

o.`., \XZ JXZ HFXF FJA

^rohijtmutf`o jfusoh ly eme-hotordieistij pfjaot frrivfcs

Bistmry-lfsoh prohijtime

6> > >

bistmry sizoEoxt46 ig bistmry jmetfies

6!em hmwejcmjaie`

Bistmry46; mutf`o mjjurs

Bistmry4>; mtborwiso

Eoxt frrivfc


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Ieto`rftie` O-DiCi witb scoop sjbohucie` prmtmjmcs

Ztfto dfjbieo

Fhh f eow stfto hmwejcmjaoh IC (hIC)

XR/\R Zcoop fro dfef`oh ly scoop sjbohucie`

Z\IHdfef`os jfrrior soesie` feh pfjaot hotojtime

MHmjhotordieos wbotbor feh wboe tm trfesit tm IC mr hIC

hIC


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Hopcmydoet mg O-DiCi (jmeth)

Dmhigijftimeseoohoh tm oeflco O-DiCi

F^;

Girdwfro; propoehie` D-profdlco

Hrivor; pbysijfc fhhross fccmjftime fc`mritbd

Dmlico jcioets;

Girdwfro; Z\IH fc`mritbd

Hrivor; rojoivie` fccmjftoh fhhross

Jmddorjifcizftime; cijoesoh tm wmrch #6 sdfrtpbmeodfeugfjturor


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Ovfcuftime

Oeor`y jmesudptime

^fjaot trfjos grmd rofc-wmrch PiGi eotwmras

Ziducftime gmr f wiho rfe`o trfggij pfttores

_sie` es-+ feh 0 usors

Lfsoh me PiGi pmwor prmgico (Dfx hmwejcmjaie` gfjtmr 8)

8>+% mg oeor`y sfvie`s!


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Ziducftime mg syetbotij trfggij

Idpcodoetftime ie es-% oeor`y sfvie`s witb eo`ci`ilco hocfy mvorbofh

DFJ cfyor; MHmj

Zwitjbie` hocfy; 6?6 (tbo wmrst jfso)s

ZE\; 2hL (possidistij)


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^orgmrdfejo wboe hmwecmfhie` f DL gico usie` GX^;58>% oeor`y sfvie`s witb ?% tbruput cmss


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Oggojts mg O-DiCi mvorbofh

D-profdlco fehswitjbie` hocfy jmsts oxtrf jbfeeoc tido

Mvorbofh/hftf rftimiejrofsos fs hftf rfto iejrofsos

Xbis oggojt is eo`ci`ilco gmr;

^ZD+ODiCi1 hovijos witb sbmrt switjbie` hocfy


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^rofdlco hosiè Q6/:T

"$

Oeor`y pucsos, ofjb jmetfieie` f soquoejomg hiìtfc sfdpcos

Hopoehs me lfehwihtb botormòeoity

Ig profdlco trfesdittors LP isH tidos tbo rojoivors LP,

tboe pucso coe`tb dust lo H hiìtfcsfdpcos

Lut sbmuch emt lo tmm cme` tm provoet tbo rojoivors jmegusime mg

it fs f roùcfr pat 45 sbmuch lo sbmrtor tbfe dieidud mg roùcfr

pat hurftimes ie jmoxistie` eotwmras

Zbmuch lo sbmrtor tbfe dieidud mg bofhor hurftimes ie jmoxistieèotwmras

O.`., 67>us gmr lcuotmmtb, 6>>us gmr [i`loo, 2us gmr PiGi

Zbmuch lo suggijioetcy cme`tm lo hotojtflco ly botormòeomus rxs

!


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^rofdlco hosi`e Q


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^rofdlco hosi`e Q:/:T

%'

\fehmdmr hotordieistijsoquoejo=

Xrfhitimefccy, jmddueijftime soquoejos fro rfehmd

F sjrfdlcoris usoh tm rfehmdizo lit soquoejos

Fvmihie` cme` soquoejos mg >s mr 6s, tm gfjicitfto orrmr jmetrmc jmho

@Zoesos profdlco soquoejo

Hotordieistij soquoejo rosucts ie bi`bor \ZZ tbfe rfehmd soquoejo

45 Em eooh gmr orrmr jmetrmc

siejo ie rfehmd soquoejo, fhkfjoet sfdpcos wofaoe ofjb mtbor

Mlkojtivo; dfxidizo oeor`y pucsos \ZZ ft rojoivor, i.o., hotojtime prml


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Odlohhie` jmmrhieftime iegmrdftime ietm profdlco

%"

@fp hurftime fs jmmrhieftime iegmrdftime

# mg > sfdpcos witbie f `fp

Xrfescftoh hirojtcy ietm f hojidfc eudlorHojidfc eudlor is tboe dfppoh tm jmmrhieftime iegmrdftime

Dfppie` sbmuch lo justmdizohly prmtmjmcs tbft uso @Zoeso

Ductipco oeor`y pucsos jfe lo jmejftoeftoh, ofjb `fp

roprosoetie` meo gioch mg iegm

Mecy suitflco gmr cmw-rfto jmetrmc & jmmrhieftime siejo uso mg `fp

tm jmevoy iegm is coss oggijioet tbfe dmhucftime sjbodos.


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^rofdlco hotojtime

%%

Botormòeomus eotwmras sbmuch f`roo me jmddme pfrfdotors mggcieo

o.`., coe`tb mg oeor`y pucsos, lfehwihtb botormòeoity (H), dfplotwooe `fp coe`tb feh jmmrhieftime iegmrdftime

Hotojtime stops; gmr ofjb iejmdie` hiìtfc sfdpco,

Jmdputooeor`y covoc gmr ofjb sfdpco 45 sdmmtbmvor rojoet sfdpcos45jmccojtsuggijioetcy bi`b ZE\ sfdpcos tm hojiho me fe oeor`y pucso

45hotordieo`fp coe`tb


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Fjjurfjy mg profdlco hotojtime

%(

Dis-hotojtime prmlflicity Gfcso-fcfrd prmlflicity

Oxporidoetfc sotup

Idpcodoetftime me @E_\fhim/_Z\^ie f jmddme (flmvo 2hL) ZE\ rfe`o


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Oggojt mg soquoejo hosi`e

%)

\fehmdvs. hotordieistijsoquoejo gmr higgoroet vfcuos mg H

Ft cmw ZE\, hotordieistij soquoejojfe rohujo dis-hotojtime prml lyductipco gmchs


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Fjjurfjy mg hotojtie` `fp iegmrdftime

%*

Orrmr prml wbico vfryie` H

Ft cmw ZE\, cfr`or H 45 bi`bor orrmr prml

Orrmr prml jcmso tm > wboe ZE\ is flmvo 2 hL


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Ovfcuftime mg @Zoeso

%+

Oxporidoetfc sotup

Ziducftime witb rofc PiGi pfjaot trfjos

Loejbdfra; O-DiCi, socg-jmrrocftime-lfsoh pfjaot hotojtime fc`mritbd

@Zoesos oeor`y sfvie`s is jmdpfrflco tm O-DiCi; 88% gmr dmro tbfe9>% jcioets


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Oggojts mg hftf-rfto

%#

Oxporidoetfc sotup

^fjaot-covoc siducftime

Loejbdfra; O-DiCi

Oeor`y sfvie`s Xbrmu`bput

@Zoesos oeor`y sfvie`s ("%,' -- ((./feh tbrmu`bput cmss fro

jmdpfrflco tm O-DiCi, uehor vfrimus hftf-rftos


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Fhhitimefc fhvfetf`os mvor O-DiCi

%$

Ofsior rofcizftime mg virtufc jfrrior soesie`

Bihhoe tordiefc jfe soeso JXZ ly soesie` its `fp hurftime

O-DiCi eoohs tm propoeh f rfehmdizoh profdlco 45 dmhigijftimes tmco`fjy bfrhwfro/girdwfro

Cmwor-jmdpcoxity; oeor`y hotojtime vs. socg-jmrrocftime-lfsoh hotojtime

Lottor jmdpftilicity witb co`fjy bfrhwfro siejo oeor`y soesie` is fjmddme luict-ie guejtime ie wirocoss hovijos

@Z


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@Zoeso Fppcijftimes

(&

Fppcijftimes

\ohujie` jmccisime ltw [i`Loo feh PiGi

@Zoeso fs f òeorfc jmmrhieftime dojbfeisd

Ihoetigy prmlcods ie botormòeomus eotwmras

Ihoetigy eojossfry jmmrhieftime iegmrdftime

Hogieo dfppie`lotwooe `fp coe`tb feh jmmrhieftime iegmrdftime

\ohujie` jmccisime ltw PiGi eotwmras mg botormòeomus lfehwihtbs

Jmmrhieftie` tx feh rx witb higgoroet jcmja-rftos tm sfvo oeor`y


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Jurroet Ztftus mg @Zoeso

_Z pftoet-poehie`

_ehor hisjussime gmr pmtoetifc cijoesie`

`mm`co @fp Zoeso tm gieh prossjmvorf`o

J c i


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Jmejcusime

Ihco Cistoeie` (IC) hmdieftos PiGi oeor`y jmesudptime

Z\IH; hotojts pfjaots ft cmw jcmja-rfto

O-DiCi rohujos IC pmwor ly fhfptivo jcmja-rfto

MHmj; ieto`rftos O-DiCi witb DFJ-cfyor scoop sjbohucor

Zopfrfto pfjaot hotojtime grmd pfjaot rojoptime

@Zoeso; f òeorfc, ci`btwoi`bt jmmrhieftime dojbfeisd

F sidpco jmmrhieftime dojbfeisd gmr botormòeomus eotwmras

_sie` oeor`y pucsos & `fps tm jmevoy iegmrdftime

Bi`b hotojtime fjjurfjy ie jmddme ZE\ rfeòs


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Xbfea ymu!

IEE/CEEM Seminar: Kang G. Shin and Energy-Minimizing Idle Listening in WiFi-Equipped Mobile Devices

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Transcript of IEE/CEEM Seminar: Kang G. Shin and Energy-Minimizing Idle Listening in WiFi-Equipped Mobile Devices