Advanced Antenna Systems,Transmit diversity and Beamforming in Wimax

Advanced Antenna Systems,Transmit diversity and Beamforming in Wimax Advanced Antenna Systems The WiMAX standard provides extensive support for implementing advanced  multiantenna solutions to improve system performance. Significant gains in overall system capacity and spectral efficiency can be achieved by deploying the optional advanced antenna systems (AAS) defined in WiMAX. AAS includes support for a variety … Read more

Google Going to Set Up its Own Mobile Network

Google is reported to have held preliminary discussions that could lead to it setting up its own wireless network in the USA, according to a report in the Wall Street Journal. The internet giant, which has just started deploying its own landline internet service in the USA has held talks with satellite-TV provider Dish Network, according … Read more

Handover principles and Handover measurements in LTE

Handover principles and Handover measurements in LTE Handover principles Lossless Packets are forwarded from the source to the target. Network-controlled Target cell is selected by the network, not by the UE. Handover control in E-UTRAN (not in packet core). UE-assisted Measurements are made and reported by the UE to the network. Late path switch Only … Read more

Android Marks 4th Anniversary with 75% Market Share in Q3

The Android smartphone operating system was found on three out of every four smartphones shipped during the third quarter of 2012. According to International Data Corporation (IDC), t­otal Android smartphone shipments worldwide reached 136 million units, accounting for 75% of the 181.1 million smartphones shipped in 3Q12. The 91.5% year-over-year growth was nearly double the … Read more

Eircom Going to Cut 2,000 Jobs in Ireland

The former state telecoms operator filed for protection from its creditors in March to restructure 3.75 billion euros (3 billion pounds) of debt and was taken over by its senior lenders after cutting its debt by 40 percent. Irish telco, Eircom has announced that it is slashing 2,000 of its 5,700 staff over the next … Read more

Google Android Catches Up with Apple in Mobile Apps Volumes

Last month, Apple announced that the App Store had 700,000 apps. Since 2007, when the iPhone launched, Apple has always had more apps than Android. But five years later, Google has managed to catch up. Google says that its Android apps store, Google Play has now matched the number of  downloadable software apps offered by … Read more

What’s New or Different in iPAD Mini

Feature for feature, the iPad mini mainly bests its rivals in the 7-inch tablet market, but it does so at a price that’s 65 percent higher than those competitors. The mini has a larger display than Amazon’s Kindle Fire HD and Google’s Nexus 7. Its  screen measures 7.9 inches diagonally, while the Fire and Nexus … Read more

What is AMC & its Algorithm in LTE

What is AMC & its Algorithm in LTE The effective Eb/No and hence the spectral efficiency depend on BLER. However there are QoS requirements which also have to be considered. Taking both into account leads to a target BLER. AMC is in use in order to tune BLER so that the target value is reached. … Read more