Mandated by the European Commission and supported by the dynamic railway industry in the region, the GSM-R system has established a significant market in Europe. Over the past few years the market extended to regions outside Europe including Asia-Pacific, Middle East and Africa. Led by Nokia, Kapsch CarrierCom and Huawei, GSM-R track coverage is growing to 190,000 km by 2020.
Azimuth Systems, Inc., a leading provider of comprehensive real-world wireless test solutions for LTE-Advanced and beyond, announced general availability of the ACE™ RNX radio network emulation platform.
ABI Research estimates that 676 million 4G LTE handsets will be shipped in 2015, growing 204 million units from 2014. Furthermore, ABI Research estimates that the total number of LTE connected devices shipped worldwide will exceed 1.89 billion units by end 2019, demonstrating the need for infrastructure and spectrum to support the stellar growth in the industry.
Analog Devices Inc. introduced the AD9528 JESD204B clock and SYSREF generator defined to support the clock requirements for long-term evolution (LTE) and multicarrier GSM base station designs, defense electronics systems, RF test instrumentation, and other emerging wideband RF GSPS data acquisition signal chains.
With many groups now beginning to consider the drivers for 5th Generation wireless networks, this timely document includes contributions from 20 IWPC member organizations from around the world and aims to advance certain understandings and concepts for adoption in wireless systems to be deployed beyond the year 2020. This 89 page document covers a broad range of 5G topics with emphasis on mm-wave.
Now that the need for ultra high capacity radios has become an unofficial requirement with a potentially large market backing it, the call for more spectrum savvy radios is in order. Traditional wisdom would have us assume that the legacy pure-play millimeterwave equipment vendors have this market clenched; however, every time there is a technology shift, as is occurring with the E-Band market, it opens the field up to new market leaders and a new competitive landscape. Thus, we have seen traditional microwave vendors throw their hats into the millimeterwave ring with various levels of commitment from OEMing/private labeling traditional millimeterwave vendors’ radios to designing their own millimeterwave radios.
Wireless consumer's insatiable demand for bandwidth has spurred unprecedented levels of investment from public and private sectors to explore new ways to increase network capacity. Service providers, now deploying fourth generation networks, are already beginning to look toward and plan for fifth generation networks (5G) to meet the escalating demand. Researchers at TU Dresden (TUD) have begun investigations into 5G technologies using a graphical system design approach and National Instruments' software defined radio platforms. Using the NI platform, TUD researchers significantly compressed the time to transition from concept to prototype.
This application note is designed to provide you with the latest insights on how to best address the long list of test requirements when testing the voice quality of LTE UE, with the right VoIP test building blocks. Successfully providing voice support on LTE will require UE developers to bring together a host of new features and capabilities. Many of these items have been around for a while but have not yet been applied to mobile networking. Others are completely new. Regardless, bringing them together will likely cause significant test pain, as they will need to be tested in conjunction with LTE and/or IMS to be fully exercised.
A system that utilizes OFDM/OFDMA, such as the E-UTRA (LTE) downlink or the IEEE 802.11a/g and the IEEE 802.16 physical
layers, transmits OFDM symbols, each comprising a number of modulated sub-carriers carrying data or pilot symbols, with
inter-subcarrier spacing being equal to or an integer multiple of a fixed frequency. The channel bandwidth (B) is determined by
the number of 'occupied' (modulated) subcarriers and the subcarrier spacing.
The IP Multimedia Subsystem (IMS) dates
from 3GPP release 5 almost a decade ago,
but is now becoming a reality with the rollout
of IMS-based LTE networks. IMS enables
convergence on multiple fronts, including
access types (fixed, mobile), service types,
application control functions and convergence
between telephony and traditional data
delivery. This paper presents a high-level technical
view of the IMS architecture as seen by LTEcapable
User Equipment (UE).
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.
Understanding mechanical tolerances, coaxial design details and connector materials used in cable assemblies helps
produce communications equipment with the lowest levels of passive intermodulation (PIM).
LTE-Advanced (LTE-A) is an emerging mobile communications standard that boasts a number of significant benefits, including the ability to take advantage of advanced topology networks and achieve target peak data rates of 1 Gbps in the downlink and 500 Mbps in the uplink. This white paper covers using signal generation and analysis to overcome challenges associated with carrier aggregation.
This paper discuss the adaptation of the fast multi-probe technology to an existing classical planar near field facility through the manufacturing, installation and test of a partial demonstrator in Thales Alenia in Toulouse.