Satellite operator, Inmarsat has reported that a further payment due from USA based LTE network, LightSquared has been missed. The company reported a previous non-payment back in February. A scheduled payment of US$29.6 million that was due on 31 March 2012 has not been made. The payments related to a co-operation agreement by the two … Read more
IP Networks use Routers to do the switching based on IP addresses, Layer 3 routing protocols like BGP or OSPF an Ethernet networks use 48 bit MAC addresses Spanning Tree is used to route because users, base stations, routers, etc will all need IP addresses (It is an IP-based system) There are Public (Internet routable) … Read more
Main Work of Primary Common Pilot Channel (PCPICH) in WCDMA is as below. Carrying pre-defined sequence Fixed channel code: Cch, 256, 0, Fixed rate 30Kbps Scrambled by the primary scrambling code Broadcast over the entire cell A phase reference for SCH, Primary CCPCH, AICH, PICH and downlink DPCH, Only one PCPICH per cell The Common … Read more
DL Cell Aggregate Throughput The DL Cell Aggregate throughput (Effective RLC Aggregate Throughput) is the sum of the throughputs to all the users in the cell at an instant in time. This is to be measured following Monte Carlo simulations only. Design KPI for DL Cell Aggregate Throughput: 10MHz Channel Bandwidth: 13.4 Mbps per cell … Read more
The overlapping zones (number of servers) criteria are used to establish the quality of the RF propagation environment from an interference point of view. The goal of the number of servers‘ criteria is to establish dominance and reduce the waste of network resources and degraded network performance that may occur when multiple servers exist in … Read more
Reference Signal Received Quality RSRQ identifies the quality of the Reference Signal. It is defined as the ratio N×RSRP/(E-UTRA carrier RSSI), where N is the number of RB”s of the E-UTRA carrier RSSI measurement bandwidth. The measurements in the numerator and denominator shall be made over the same set of resource blocks. E-UTRA Carrier Received … Read more
Reference signal received power (RSRP) identifies the signal level of the Reference Signal. It is defined as the linear average over the power contributions of the resource elements that carry cell-specific reference signals within the considered measurement frequency bandwidth. Design KPI for RSRP: 10MHz Channel Bandwidth (700MHz & AWS): -113dBm 5MHz Channel Bandwidth (700MHz & … Read more
What may be one of the biggest leaks phones in recent years, come from South Korean analyst, who published the alleged specs of both Samsung and Apple’s upcoming flagship smart phones. More troubling for Apple, including at least the hardware side, the device seems to more powerful handset Samsung handset. Is it enough to tempt … Read more
Sales of Apple’s iPhone 5c were so disappointing that the consumer technology giant will probably reduce the price soon device model or scrap altogether, according to analysts, Alistair Barr reports for USA Today. They just missed. The request was not good, said Gene Munster, an analyst at Piper Jaffray. They will discount and use it … Read more
Mahanagar Telephone Nigam Ltd ( MTNL ) today announced the official launch of free roaming service between Mumbai and Delhi for postpaid and prepaid mobile customers , which will be available on this day ie Republic January 26, 2014 without charge as shared earlier. Union Minister Kapil Sibal Telecom today announced MTNL Roaming Free in … Read more