One of the most important multimedia applications is Internet protocol TV (IPTV) for next-generation networks. IPTV provides triple-play services that require high-speed access networks with the functions of multicasting and Quality-of-Service (QoS) guarantees. Among 4G mobile access networks are regarded as among the best solutions to meet higher bandwidth demands. In this paper, they propose a new architecture for multicasting live IPTV traffic in 4G LTE networks. The proposed mechanism involves assigning a unique logical link identifier to each IPTV channel. To manage multicasting, a prior storing server in the Base Station and in each mobile network unit, mobile phone, is constructed.