This white paper summarizes the technology options for supporting voice and short message service (SMS) in LTE, including circuit switched fallback (CSFB), SMS over SGs, and voice over LTE (VoLTE). It includes background information on the standardization process, and the commercial implications for the different options. The white paper also addresses test and measurement requirements resulting from the support of voice and SMS in LTE.
Madhusudhan Gurumurthy is a Senior Applications Specialist at Spirent Communications. He talked with Microwave Journal about beamforming and TD-LTE systems being deployed in China and across the globe.
Wireless equipment vendors performed well in the fourth quarter of 2011. While finishing strong in the last quarter of every calendar year is typical for vendors in this market, Huawei exceeded expectations and overcame Nokia Siemens Networks (NSN) to grab second place in the market. As usual, Ericsson was the market leader, with approximately US$3.5 billion in wireless network equipment sales during 4Q2011.
Sub10 Systems has appointed SideBand Systems Inc. as its first North American distributor and value-added reseller. The company will resell all Sub10 Systems’ point-to-point radio link products in the U.S. market.
Mobile device semiconductors were one of the few bright spots in a chipset market that stalled in 2011. Revenue from chipsets designed for mobile devices increased by more than 20 percent to $35 billion, while the total semiconductor market limped out of 2011 with just 2 percent year-on-year growth.
Tecore Networks® announced the availability of a scalable LTE network ‘starter kit’ that includes the iCore LTE Core Network targeting operators with an initial deployment of up to ten thousand subscribers. This configuration aims at optimizing capital expenditure (CAPEX), putting LTE deployments in reach for smaller operators looking to add to their service offering, or meet build out requirements.
Global handset shipments will increase 29 percent from 1.7 billion in 2012 to 2.2 billion in 2016. The key driver of this growth will come from the smartphone segment, which is forecast to become larger than the ultra-low cost, low-cost, and feature phone segments combined by 2016. The total shipments of non-smartphones will grow 1.08 billion in 2012 to 1.09 billion in 2016 while smartphone shipments will grow from 643 million to 1.1 billion over the same period.