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The third-generation cellular systems provide great coverage, complete subscriber management and nearly universal roaming. Nevertheless, 3G systems suffer the high installation cost and low bandwidth. Though WLAN provides hot spot coverage with high data rates, it lacks roaming and mobility support. From users' points of views, the integration of WLAN and 3G systems is an attractive way that will...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.