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Modern cellular networks may be deployed using multiple radio-access-network technologies with multi-mode mobile terminals capable of selecting among different technologies. Such a network typically forms an overlay-underlay architecture where the underlay uses an older technology (e.g., 3G) while the overlay uses a newer technology (e.g., 4G). It has been observed that excessive signaling message...
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.