International Journal of Engineering and Technology
Mobile telephony adoption is on the rise, with industry projections suggesting that wireless subscribers will reach 100 billions in India. Recent technological innovations have also dramatically enhanced the capabilities of the wireless telephone; it is one of the most important technologies to track the location of the mobile users. In mobility management basically is performed by two databases, HLR database and VLR database. A mobile user moves anywhere in mobile networks from one LA to another LA in networks, so location registration for call tracking is always needed.