IEEE802.16e is the major global cellular wireless standard that enables low-cost mobile Internet application. However, existing handover process system still ha
The LTE and LTE-Advanced systems are supposed to be the most popular cellular network in 4Gnetworks. Relay technology is one of the most preferred technologies
A problem of upgrading to the Next Generation Wireless Network (NGWN) is backward compatibility with pre-existing networks, the cost and operational benefit of