
wireless adhock network vikasippichu

nilavilulla wireless adhock netvarkkinte (wannet) poraaymakal nikathunna oru vikendreekritha tharam wireless netvarkkaanu (ivaan). wired netvarkkukalile ruterukal allengil wireless netvarkkukalile axus pooyintukal polulla munkootty nilanilkkunna infrastructurine aashrayikkaathathinaal oru ivaan oru vaanat poleyaanu. sthiramaaya topologyulla netvarkkukalekkaal vaanettukalude kooduthal gunangalil vazhakkam (mobail upakaranangal upayogichu evideyum oru adhock network srishtikkaan kazhiyum), scalability (ningalkk netvarkkilekku eluppathil kooduthal nodukal cherkkaan kazhiyum), kuranja administration chelavu (aadyam oru infrastructure nirmmikkenda aavasyamilla) enniva ulppedunnu. vaanattukalude eee savisheshathakal ivaanilum nilanirthunnu. ennirunnaalum, nilavilulla vaanattukalil ninnu vyathyasthamayi, oru ivaanu toonn chaanal enna peril oru prathyeka resource maanejment chaanal undu. vaanattukalil, dattaa chaanal rund rolukal nirvahikkunnu resource maanejmentum dattaa transfer, ennaal ivaanil, dattaa chaanal daatta transferrinu maathrame upayogikkunnulloo.
velluvilikal.
wireless adhock netvarkkukaloo maanettukalo neridunna saankethikavum gaveshanaparavumaaya velluvilikal niravadhi pusthakangalum kruthikalum velippeduthiyittundu. vaanattil neengunna yuu. iii. ezz athivegam network topology maattunnu. chaanal maanejmentinaayi niravadhi vibhavangal upayogikkunnu. oru yuu. iii. oru vibhavam anuvadikkumbozho vibhavam kaivashappeduthumbol neengumbozho oru vibhava koottiyidi sambhavikkunnu. oresamayam paakkattukal labhikkunnathinaal madhyathilulla yui koottiyidi anubavikkunnu.
churukkatthil
pariharam.
prasnangal pariharikkunnathin toonn chaanal upayogikkunnu. eee chaanal vibhava maanejmentinaayi samarppichirikkunnu. toonn chanalil upayogikkunna tonukalude tharangalil oru resource anuvadikkunnathinulla alokkeshan toonn, oru resource kaivashappeduthunnathinulla clearing toonn, oru adhinivesha resourcinte koottiyidi kandethunnathinulla dittakshan toonn enniva ulppedunnu. eee tonukal toonn slottukalilaan kaimaattam cheiyunnathu. oru toonn traansmit cheiyunna onniladhikam toonn sub slottukal oru toonn slottil adangiyirikkunnu. oru toonn chaanalile oru sloat 'enn' oru dattaa chaanalile oru sloat 'enn + 1' lake mapp cheiyunnu. athinaal, oru yui dattaa sloat 'enn + 1' upayogikkunnathinu toonn sloat 'enn' anuvadikkunnu.
mobail yuu. iii. ezz. vazhi dynamic network topology.
dattaa chanalil oru resource kaivashappeduthiyirikkunnu oru yui, kaivashamulla resourceumaayi bandhapetta oru toonn slottil oru clearing toonn kaimarunnu. n + 1' enna dattaa sloat kaivashamulla yui 'n-1' enna toonn slottil oru clearing toonn kaimarunnu. oru toonn chaanal thudarchayaayi sweekarikkunnathiloode, oro yuiykkum mattu ues kaivashappedutthiya vibhavangal thalsamayam parisodhikkaan kazhiyum.
parimithamaaya chaanal bandwidth.
pothuve, toonn chaanalinte bandwidth dattaa chaanalinte baandvidthinekkaal valare cheruthaanu. toonn chaanalinte baandvidthumaayi thaarathamyappeduthumbol dattaa chaanalinte bandwidth ethra valuthaano athra aavruthi karyakshamatha 100%-lake adukkunnu.
ashayavinimaya vibhavangalude koottiyidi.
oru yuu. iii. oru vibhavam anuvadikkumbozho allengil oru vibhavam kaivashappeduthumbol oru yuu. iii. neengumbozho oru vibhava koottiyidi sambhavikkunnu. koottiyidi ozhivakkal (csma/caa) ulla carrier-sense multiple aaksasumaayi thaarathamyappeduthumbol vibhavangal anuvadikkumbol undaakunna koottiyidi saadhyatha ganyamaayi mechappedunnu. oru csma/caa oru tharkkavumaayi thaarathamyappeduthumbol oru ivaanu rund tharkkangalund ennathaanu eee mechappeduthalinu kaaranam. oro yuu. iii. yum onniladhikam dittakshan tonukal kaimarukayum sweekarikkukayum cheiyunnathiloode chalanam moolamundaakunna adhinivesha vibhavangalude koottiyidi thalsamayam kandethunnu. transmission dittakshan tonukal kramarahithamayi thiranjedukkunnathiloode rund uesukalkku mattonninekkaal vyathyastha dittakshan tonukal kaimaran kazhiyum. oru dittakshan toonn kaimaaraathappol tonukal manassilakkunnu. athinaal, mattu yui ayacha dittakshan tonukal kandethaan kazhiyum.
maranjirikkunna nooad prashnam.
pothuve, dattaa chaanal baandvidthumaayi thaarathamyappeduthumbol toonn chaanal bandwidth valare cheruthaanu. rund chaanalukalkkum ore traansmit power ullappol, toonn chaanalinte ashayavinimaya dooram dattaa chaanalinekkaal erattiyiladhikamaanu. athinaal, dattaa chaanal koottiyidikkunnathinu munbu toonn chaanal koottiyidikkunnu. toonn chaanal koottiyidikkalukal kandethaan kazhiyumennathinaal, koottiyidikkaathe mattoru chaanal resource thiranjedutthu dattaa chaanal koottiyidi thadayaan yuiykk kazhiyum. ithu maranjirikkunna nooad prashnam pariharikkunnu.
nettangal.
nilavilulla vaanatukal 1-hoopp chaanal vivarangal prakshepanam cheiyukayo koottiyidi ariyikkunnathin mattu uesil ninnu signalukal sweekarikkukayo venam. ithinu vipareethamaayi, ivaanile, yui prakshepanam kelkkenda aavashyamillengil, yui athu upayogikkunna dattaa slottilum toonn slottilum maathrame pravartthikkoo, mattu samayangalil sleep modilayirikkaam. athaayath, ivaanil, rootinginaayi ues upayogikkaathappol oru sleep mooad saadhyamaan. ithu ruting aavashyamillaatha 1-hoopp adhishtitha sevanagalkk anuyojyamaaya oru ivaane undaakkunnu.
poraaymakal.
dattaa chaanalinulla rf hardware toonn chaanalinulla rf hardware vevvere aavasyamaanu. toonn chaanal oru toonn signal kaimarunnathino sense cheiyunnathino mathramulla lalithamaaya pravartthanam nadathunnathinaal, toonn chaanalinte rf hardware valare lalithamaanu.

