Modern sadarwa - mai azumi dangane

A sadarwa kasuwar ne daya daga cikin alamar rahama, kuma ya fi sauri girma yankunan da harkokin sadarwa masana'antu. A halin yanzu, da harkokin sadarwa, da tsarin ne a kan hanyar m ci gaba, in general, shi ne mayar da hankali a kan Rasha sadarwa tsarin shigarwa a cikin duniya a matsayin daidai abokin tarayya don samar da ayyuka na kasa da kasa, nesa, birni, data, internet, mobile, da dai sauransu ..

Mene ne Sadarwa

Kalmar "sadarwa" da aka samu daga kalmomi: communico Latin, wanda ke nufin "nau'i na sadarwa," da kuma Greek Tele, ma'ana "mukaddashin a wata babbar nesa."

Saboda haka, zamu iya cewa:

• Sadarwa - wani tarin na'urorin da kuma shirye-shirye don aika da bayanai via na USB da kuma tashoshin rediyo. Wannan bayanai hira na'urar, dikodi mai, daidaitowa. Wannan ci-gaba kwamfuta aiki da fasaha.
• Sadarwa kayan aiki - a sa na fasaha, software da kuma kungiya wajen domin watsa bayanai a tsawon nisa. m-jihar fitarwa amplifiers ana amfani da su haifar da tauraron dan adam tashar riwayar.
• Sadarwa - izini Service Center ne iya watsin da kuma karbar sakonni. Kwararru a harkokin sadarwa - gyara da kuma injiniyoyi. Su yafi aiki tare da lambobin, sakonni, amo.
• Sadarwa - shi ne musayar amfanoni na wani bayani da taimako daga kwamfuta. Bayani yana daukar kwayar cutar ta hanyar sadarwa tashoshi ko bayanai musayar.
• Sadarwa - shi ne kan aiwatar da samun da kuma sarrafa bayanai ta amfani da lantarki, hanyar sadarwa, electromagnetic, bayanai da kuma kwamfuta da fasahar.

Alamar rahama yankunan na sadarwa na na'urorin fasahar zamani ya kamata a yi la'akari:

1. Samar da sabon alama-code Tsarin ta yin amfani da hade dabaru na magudi sakonni da sabon alama tsarinsa dabarun kara bandwidth da kuma watsa tsarin inganta su da iko.
2. Samar da wani mai kaifin baki na'urorin eriya tare da ingantattun iko.
3. Halittar sadarwa tsarin a cikin millimeter kalaman band tare da wani aiki mita kimanin 100 GHz.
4. Development of hanyoyi da fasahar sadarwa na kayan aiki, wadda tabbatar da mafi kyau duka na yi a kowa yana da sharudda: m kudin, matsakaicin sigogi, matsakaicin AMINCI, m nauyin da size halaye.
5. Kara matakin horo na dalibai a cikin shugabanci na "Sadarwa", da fadada bincike da kuma ci gaba a cikin shugabanci.

A siginar tsarinsa Hanyar Technology

Domin mafi kyau duka makamashi tsarin amfani da sabuwar hanyoyin da tsarinsa da kuma siginar daidaitowa. Wannan alama coding dabarun magance kurakurai a cikin tsangwama yanayi, ayyuka samar da makamashi riba na tsarin to 6.8 DB, ko da yake da baza bakan sigina. Yana amfani da block lambobin: Hamming lambobin, Reed-Solomon, BCH da convolutional lambobin itace. An ban sha'awa da yin amfani da lambobin wajibi ne a yi la'akari da cewa ba da damar gane triangular mawadãta lokaci motsa keying da haka samun ƙarin coding riba ƙara da alama watsa gudun. A wannan yanayin da tashar bandwidth amfani Multi-matsayin zumunta lokaci motsa keying da quadrature mawadãta lokaci motsa keying.

tauraron dan adam sadarwa

Tauraron Dan Adam sadarwa tsarin da ake amfani da su a geostationary da tauraron dan adam domin watsa na talabijin shirye-shirye, ciki har da mutum karba da software kungiyar data zirga-zirga. Na musamman bayanin kula ne da duniya tsarin na Inmarsat tauraron dan adam marine kewayawa, wanda, haka ma, ya samu m kasuwanci amfani ga m sadarwa da kuma yin amfani da mažallin wani GPS da tauraron dan adam kewayawa tsarin a m yankunan, a cikin gaggawa, kazalika for monitoring na sufurin kaya zirga-zirga. Karamin tauraron dan adam waya damar canja wurin bayanai daga ko'ina a cikin duniya. A hade da wani broadband na karya amo sigina sabuwar fasahar da aka aiwatar: mita microstrip eriya, wani m jihar ikon amfilifa, a dual tashar tace a cikin farfajiya Ft Irfan kalaman dangane bismuth germanate, narrowband obin na lantarki tace a dielectric resonators, da dai sauransu ..

sadarwa wajen

Yau, musamman da m ci gaba da wayar sadarwa tsarin samu, da lambar biyan kuɗi wanda a mafi yawan kasashen wuce adadin gyarawa cibiyar sadarwa biyan kuɗi. Muddin magabaci a cikin mobile kasuwar riqe GSM-900 misali / 180, wanda da tsarin kai iyakar na kammala ta hanyar amfani da GPRS, kuma EDGE latest fasahar. Very alamar kamata a yi la'akari da wayar sadarwa tsarin da code rabo na CDMA tashoshi da suke yi daidai tsare sirri da kuma makamashi yi. Yau, don ƙirƙirar 3G wayar sadarwa tsarin daidai da misali da MT-2000, ta ci gaba ta kasa da kasa Sadarwa Union, yana amfani da uku misali dangane CDMA fasahar: CDMA DAYA, CDMA 2000 da WCDMA. Kamar yadda wani ɓangare na IMT-2000 misali, da ayyuka a halittar da tauraron dan adam na sirri wayar sadarwa tsarin Orbocomm, Thuraya, Clobal Star, Iridium. Duk da yake kasuwanci aiki na tsarin ba a samu saboda da matsaloli na kudi da ayyukan da fasaha matsaloli. Domin bayanai Networking kamfanoni ne da tabbatar da rediyo tsarin DECT.

Fast siginar watsa tsarin

Godiya ga ci gaba a microelectronics fasahar, kerarre kuma yi amfani da yau mobile da kwamfuta-sadarwar da harkokin sadarwa, irin su Bluetooth, ZigBee, WiMax, WiFi da sauransu. A yi, da yin amfani da m watsa tsarin, wanda aka halitta ta amfani kowa akida, da kuma makircinsu na yi da kuma daban-daban tashar adaftan to connect ga m watsa tashoshi. Hydroacoustic sadarwa tsarin sadarwa a karkashin ruwa ta amfani da ultrasonic vibrations a cikin 8-20 kHz a nesa na 4 km. Laser sadarwar da tsarin amfani da lasers da wani zango na 1-10 microns, da kuma amfani a sarari links. Ryazan da makami yin shuka (Rasha) kerarre Laser transceiver na'urar samar da siginar watsa kudi na kimanin 200 Mbit / sec kan wani nesa daga 2-10 km terrestrial yanayi da kuma amfani da misali saboda watsin bayanai tsakanin tushe tashoshin a wayar sadarwa tsarin. Communication tsarin a Tunnels da karkashin kasa da amfani ma'ajiyar (eriya) na USB, msl, EUPEN kamfanonin a cikin mita iyaka 30-1800 MHz. Amurka masana kimiyya kafa da yiwuwar yaduwar igiyoyin rediyo gektametrovogo iyaka a cikin hanjinsu na Duniya. An yi imani da cewa a lokacin da jeri na transponders a yankin na har zuwa 200 m za a iya halitta a sadarwar mahada don yada wata sigina da da bakan game da 500 Hz.