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Hao Ticket

The document discusses various concepts related to probability, random processes, and noise in communication systems. It covers topics such as joint distributions, error correction, and the impact of noise on signal quality. Additionally, it highlights the importance of source coding and the effects of different types of noise on communication systems.

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tempmailforme123
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7 views45 pages

Hao Ticket

The document discusses various concepts related to probability, random processes, and noise in communication systems. It covers topics such as joint distributions, error correction, and the impact of noise on signal quality. Additionally, it highlights the importance of source coding and the effects of different types of noise on communication systems.

Uploaded by

tempmailforme123
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
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Pe eecee ee We i ie “yous code oiet Wives U 1s ewdent thet Ge. |i ee Oe ence &) C) | athe minimum -distence between any tod || codeword is 9, Hence, this je Gingle errey cortentiny Code. Sinte herd cre |_ _6 single esa cond 7 $4ndaemed ____ | wwe cam “Comreat el! _gingle “@acors emd ___ one + dowhle. e-paper Putter . | Peewee ane ne obtained from - | 62 eat g ee, : el Jolo}_|o |e] a rhe ' codewords in oa iene ltocls code are | locks of gyeniboolg hut are. encoded wing more gyro} Atown oe original velue Ao be Sent. : 2 Ac \neur Code of Vengtn Arong mits sblocks containing n symbols. for ‘example , she (114.3) Hamming code bu Viner binuny code whith repre okt 4 bit message | wing 4-14 wdewords q | \+is aasimele exror condeo| coding terhnique_ | used Gor erroy detection Od covrertion. [inform ution data is partitioned into rioeks of jenyrh Pier Fo~ exumple L Informution woord 6 Athen coded into eo lou | of lenyth n bits cotled a codeword. | etbytg dota D byt 4 codeword ed et a Encoder J ; Vinewr__Brouls tl sys ems: vey “pei L\inewe : =the wde Follows gimple. math rudy | 6 codes ate O- code vsed in agiel abun maid corme ering Sond comet dota ig sens Bice code + The messoye Bork _t Fixed = sire qerous tke eddiny bis “ina KOR. i codeword - Cosh message plore (5 ebunged inte a longer block Ccotled w codeword) i ‘es by addin exiva bite called purity bits atoege help Bind and ie errors ~ Apolicubion - oigvel communication 1 St et G@HON 8 used In mobile ghoneg ) Susel\ite omm: af iz Tine . Tec ond wrrelas net orks to Aetert ond + FR Awansfey , ee (3) y | compurey sledwortes + Yelps ensure thet duta ge o Cee ae ee Tanternet Gite emaiia on § jeg igri aan _enecveety Gpate | Communication vor useful | 9 sending detu to emd .feom cudel\\*tS or Spacecraft 4 where enrors ean €asily oceum, S)_ | Broadeust Sygrem , 3 used in digit) ory ond. radio beoudcastin +o gaovide cleay slynals even In bud weethe ot poor Signal acends, Wow a vocoder coors Analysis Modulation signe) (voice) ny re eS FARIaNS LN Co Commer sinnel (ayntnesizer) aN Step -2 winduleition Modulation signoh Coren) Coin tnestoey) Votoders Avowser analyre the spectral churueledoe | —~ oof a meodulster aignel vogtenp speculaas | — get thet 19 7 Fommetion 40, S9ePe -acanmier a | etsood ' sa picolly Synthesired Soumd , oe ereoulhoy \n a synthetztd sound segue with the “ATA bre! OF the moduluter , [=-k5 Perocess essemMully ena lyre jal _gpeech , Compreses the Information into ope cites) eney envdooes , end then epolics hose evelooes to a different sound Soudce » s anakygis the Votodey omulycey the WMeodulutor gi anc Cen a voice) by dividing 4 Into mutiple_ medueat loands using a ei\ter ben. Q. Emevelope Gdrothon _ fer coon Freyuem4 bond athe vocoder nal ache txiruched amplitude envelopes arte The used jv condro\ ashe amplitude of cormsponding frequency lownds in he cuarien signal Cera , : y a I My 2 nett wep — wd 5 nati See sh gunrenized eee 35 ia aia antaee silane © 7 of tre 7 ee ae the sound” she Sphase! aigne) we are imposed sn Hie cus Le ©4_poncepis - x] Medal stor jet Gi aaa thot paovides the spectre The di gine chuvactemsHeu -Cusualty geeeh) ; 7 ¥ | cuwrler - = | vine Gitined tet ge, Shaped py Whe | Cu i ound S0uere D. a = Filter Bun : A__Collectinon of band “poss Fiitera hed Viuide the cudis (gna Jato APE bere foreq umes Oe, = Arp\\tude En ope - AEP then LH OD CS ee of Anos Ahe. amplig d ovis me Fae uanuy ix ™M Ghend for oaobal Syatremn fer mobsi\e_ commaniconion . Hi a Syfael moe Newark | common wati\ized by mobile Prone users amoung the world. at sscini he head yw fs Whe most Populus of the thece dfgtiah wire legs a elpinony SAsrems CTT DMA 1_GiSs9 , ond epmA) ond vag rhe combination of FOMA) ond “Toma \e we 4 different Frequensy bends | 85D Pte, Goomts , \g00 MIN, ond Woo Mie. GSM converts ond tompresseds duta before endiny it alony a chunnd with two other a 7 f arenmnG of user: dota, each with it, +ime Shot asm 4 Uffernt Sizey of cells Moen - 7 \n_+nig give of dhe cell a ‘Bee Staton antenna 16 ingtulled, \n tnge size of Cali Gmtenna height 5 Neg Yum tne WwveTuge Poe \eveh af palin’ oureet ee 5 ' ‘ _| spect il eta Oone es el eee 7 7. rece Win Sr = _ hy Lo® power? aad deAces- : Invernational 604 compen st SY: 4 \ La? bem Le Lost’ ss + & New feuture omd setNicedi a the Aroniecrure of HS) = [trate phetworte Compras of ry |. Fav clteel cwentks swonich combe boodly os divided into . © —- ‘ | The Mobile Station (M43) =a Sucne Stesrion Subogystem (855) e Network gwoiihing, || —the operuh 07) ae Sub aistem me) H Bip port Subs ateen , ohers Calso cabled Morr speeeth Grey are the algorthms used (A Lge as yem for mobile Communication) Networks Fo See on, decor (ee a “exe coders ploy, a cumcied nol ios Ligited inenemission oF eso oak S . a enablin cP. ct ent é woice: oven mobile x | a tar coder ts a voice rode Lioder ~dewodsr ) shut ae convets onaloy volte signals into digi te formes - © | compresses he dain for efficient Jeunimission ‘ pe compress {4 od the TeeeiVer'6 and for pluyburk . oak «Tips - analog Voice feom the User, 7 S| digitizexon Ff converts vomuley voice to digit a aoe oh eT Converter), : Compmessions + Apes speed ‘compression Wing _ospefie -valgortthm «ike Q@PE -LTP. . caonsmission - sendy thes comprased -dade sve the Gisrt vhedoont , Receiver decodiene r | 9 I = Auyoam « \ve << a ye eis Deca ete ne oaks oat = ne — oo ptt I “Tree disyaum ———— og) represen ee it ee Se | Bhows ol\ po Gs ed aeadture, euab lise, pe “decision ene hyers F _| 1416 + commonly 2A in 1 babii gomnd toding Aneo™ » Pure L_convelwHonal enioding tak I key Geatuorey * L . | Stents fom wstey sinyle soot Ande (int! Syeute ) s! a Loon level conresponds to a nevus Hme rep or input “pi+ Bruched represent Possible bosed on tne inpur Eorh pan Prom he vooe as AN ey Re a one WG Maren stay i Ms Example We cose’ Bi in_convolutionw Codiny , oo ree Ae. ure cle can, Awe ow Ai fe an input “lpite. ¢ Meee ourpur Se ff A aint on over tim _aTralig ia yarn 19 wo -Compuct goa e'n a meprtgentution of ne shade Lewooietbne of La finite = stute machine over time + Yt commonly used in convolutional cd Virewt decoding sand Siynal processing ‘Ss a OG Le Features | Bibione pce Vigua erie ache hace cred wndcaney hy reusing poles “(sha4e3) ever swe. Modes Cueviriter) represent -Gsores ot ore Aime Gre-p ce dyer [ioe eagle ghee opel Arungitions ered on Sip bfx and show olp bite, | key Features | Sivat low hoo Aveo. Ava yerarn + PE seu aittbc ih aed nduniy loa _vtusing nodes ( chates onent cli Modes ( vertices) Fepretent Shares at | eon -diene shep Bags Cbeonctnes ) Le paee§ eon arn: Hone eI yoru pret did . p Nicwd! ow aes oe ercicivo® oe spo le dots ok Aue || gen ances 4p Syed | Gey t S Ip Sonn jos Se amie inblagtest * | eonvoluHonnl coded »—_— pr enialirgs miele eS maciwat sm anaes pa 2 ch Coxyuunre of ghades.) —— $= — ‘ cfu plles (RUA yan. cuore Ce na Um? communi Cotton jac = x, Use Cte! - Lm dewdiny o convolutional cade, the_ a ArOis_- Ainqram helps ind the mos — Vikedy sAwune mitted bite See} hee Nin ; dy amie (Pov yorumenin 3 | Gucnmar ee | se Lead re, Tee (Agen ee H Srvguce Stanoniny growin Sy uce Qepertient puss | 2 luge Sede. amderrd Sending —______che codin 1 encodinu Ponisi wi bewbtralge iS ear For aul = Scale exumple4 bay & Stod geste tes es lice decoding Sree piuyrum for convoluHonw code. 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