Research In Motion
Mobile communication is the fastest growing field to provide mobile Internet to the users. The increased usage of social networking sites and multimedia applications on the Internet requires tremendous bandwidth. There are various techniques evolving in mobile and wireless communications for offering high data rate, reliability, long coverage, and high mobility to satisfy the need of high quality of service to the users. To provide Internet anytime from any network, global roaming, and high quality of service to the users, 4G is being deployed in most of the places by some operators. While other operators are also planning to start the deployment of 4G.