worksincreaseinpopularityandpervasiveness,,radiolinktransfer,,second-andthird-generationmobilesystemsdependedontheemploymentoftheradiospectrumthatwaseitherunlicensed(availableforpublicuse)(terminals)(4G)putingthroughseamlessmobility[1].Eventhough4Giscurrentlyundefined,,4Gwillhavelargerbandwidth,higherdatarates,smootherandquickerhandoff,(intra-system)andvertical(intersystem)handoffaswellasseamlessmobility,qualityofservice,dependability,,,handoffsmustexhibitlowlatency,sustainminimalamountsofdataloss,,works(WWANs),works,suchaswirelessLANs(WLANs),
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