Patent ID: 8665780
Filing Date: 2014-03-04
Classification: H04B,H04L,H04W

Abstract:
1. A router in an Internet Protocol, IP, based UMTS Terrestrial Radio Access Network (UTRAN) Transport Network within a Universal Mobile Telecommunication System, the UTRAN transport network carrying Dedicated Channel (DCH) frames on DCHs between a RNC and at least one Node B, the router comprising: means for splitting one input downlink DCH traffic flow originating from the RNC into at least two output downlink DCH traffic flows by using an IP multicast protocol, wherein each output downlink DCH flow carries user data destined to a same end user equipment, wherein the router is separate from both the RNC and the Node Bs, and wherein the router is in a communication traffic path between the RNC and the at least one Node B.