Bezdrotovi merezhi: Wi-Fi, Mesh merezhi, ZigBee, WiMAX, Bezdrotova merezha, PAN, D-AMPS, Bezprovidni kompyuterni merezhi, Bluetooth (Ukrainian Edition)

Dzherelo: Wikipedia. Storinky: 32. Hlavy: Wi-Fi, Mesh merezhi, ZigBee, WiMAX, Bezdrotova merezha, PAN, D-AMPS, Bezprovidni kompyuterni merezhi, Bluetooth, IEEE 802.11, Qualcomm, GSM, EAP, GPRS, Wibree, Wwan, Wireless USB, WPA, Wireless HD, Tochka dostupu, WEP, FHSS, Hot-spot, High Speed Packet Access, Wi-Fi Alliance, DSSS, Nordic Mobile Telephone. Vytyah: Wi-Fi, WiFi (vid anhl. ) - torhova marka, shcho nalezhytʹ Wi-Fi Alliance. Zahalʹnovzhyvana nazva dlya standartu bezdrotovoho (radio) zv'yazku peredachi danykh, yakyy̆ ob'yednuye dekilʹka protokoliv ta gruntuyetʹsya na simey̆stvi standartiv IEEE 802.11 (Institute of Electrical and Electronic Engineers - mizhnarodna orhanizatsiya, shcho zay̆mayetʹsya rozrobkoyu standartiv u sferi elektronnykh tekhnolohiy̆). Nay̆vidomishym i nay̆poshyrenishym na sʹohodni ye protokol IEEE 802.11g, shcho vyznachaye funktsionuvannya bezdrotovykh merezh. Ustanovka Wireless LAN rekomenduvalasʹ tam, de roz·hortannya kabelʹnoï systemy bulo nemozhlyvo abo ekonomichno nedotsilʹno. Nyni v bahatʹokh orhanizatsiyakh vykorystovuyetʹsya Wi-Fi, oskilʹky pry vyznachenykh umovakh shvydkistʹ roboty merezhi vzhe perevyshchuye 100 Mbit/sek. Korystuvachi mozhutʹ peremishchatysʹ mizh tochkamy dostupu po terytoriï pokryttya merezhi Wi-Fi. Mobilʹni prystroï (KPK, smartfony, PSP i noutbuky), osnashcheni kliyent·sʹkymy Wi-Fi pryy̆omo-peredayuchymy prystroyamy, mozhutʹ pidklyuchatysya do lokalʹnoï merezhi i otrymuvaty dostup v Internet cherez tochky dostupu abo khot-spoty. Nevelyka shyryna vykorystovuvanoho spektra chastot, vidsutnistʹ mozhlyvostey̆ rouminha i avtoryzatsiï ne dozvolyayutʹ Wi-Fi prystroyam potisnyty na rynku mobilʹnyy̆ zv'yazok. Tym ne menshe, kompaniï ZyXEL, SocketIP i Symbol Technologies proponuyutʹ rishennya po orhanizatsiï Wi-Fi telefoniï. Wi-Fi buv stvorenyy̆ v 1991 rotsi NCR Corporation/AT&T (vnaslidok - Lucent Technologies i Agere Systems) v Nivehey̆n, Niderlandy. Standart IEEE 802.11n buv zatverdzhenyy̆ 11 veresnya 2009 roku....