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Cellular 4G/LTE Channel

Cellular and mobile communications related topics

ARTICLES

Advance Techniques for Radio Transmitters Event, Cambridge, UK

Richard Mumford, Microwave Journal, International Editor
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Cambridge Wireless’ Radio Technology SIG event offers dramatic insight into the latest radio transmitter technologies including transmit beamforming, full duplexing, envelope tracking and digital predistortion.


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Aberdeen Harbour utilizes Siklu high capacity wireless backhaul

Siklu
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Aberdeen Harbour, Scotland has extended its security solutions coverage using high-capacity backhaul from Siklu.


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Alcatel-Lucent extends mobile backhaul capabilities

Alcatel-Lucent
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 Alcatel-Lucent is extending its wireless mobile backhaul capabilities to allow operators to more quickly and easily deploy high-capacity ultra-broadband coverage via LTE heterogeneous networks (hetnets) - a mix of macro and small cell base stations. 


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LTE reinvigorates the broadband wireless access marketplace

ABI Research
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 LTE has turbocharged the mobile Internet experience for end-users, which has reflected in rapid adoption of LTE-capable smartphones along with other mobile devices, but it has also reinvigorated the broadband wireless marketplace. According to ABI Research, 1.26 billion households do not have DSL, cable or fiber-optic broadband.  


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Huber + Suhner offers MIMO roof-top rail antenna for upgrade to 4G/LTE

Huber + Suhner
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Huber + Suhner further extends its proven portfolio of SENCITY® rail roof-top antennas with low profile MIMO products. The new SENCITY Rail MIMO antenna is claimed to be a perfect fit for the European market.


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Keysight's UXM wireless test set expands functional test capabilities

Keysight Technologies, Inc.
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 Keysight Technologies, Inc. announced new functionality enhancements to the E7515A UXM wireless test set including support for LTE-A category 7 data throughput, expanded functional test capabilities, and in-depth RF performance verification using the industry standard X-Series measurement applications. 


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ANADIGICS FEICs enable Wi-Fi connectivity in the LG G3 beat

ANADIGICS Inc.
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 ANADIGICS Inc., a world leader in radio frequency (RF) solutions, announced that the company is shipping production volumes of its AWL9280 and AWL9580S Wi-Fi front end ICs (FEICs) to LG Electronics in support of the global launch of the LG G3 Beat.


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Alcatel-Lucent accelerates development of small cell solutions

Alcatel-Lucent and Qualcomm Technologies, Inc.
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Alcatel-Lucent will introduce its breakthrough new Enterprise Small Cell device that it has developed in collaboration with Qualcomm Technologies, Inc. at the beginning of 2015.


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Zamtel and NEC agree microwave backbone project across Zambia

International
NEC Corporation
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Zamtel and NEC Corporation have agreed to build a new digital microwave radio transmission network to boost mobile coverage and capacity for citizens, enterprises and tourists across Zambia.


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Envelope Tracking Comes of Age on Mobile Handsets

Kent Nickerson, BlackBerry (MIPI Alliance Member), Canada
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IMAGE GALLERIES

Brooklyn 5G Summit 2014

NYU Wireless - Brooklyn, NY

EVENTS

Characterization and Test Challenges for MMPAs with ET & DPD

10/30/14

Keysight Logo    Agilent in LTE & Wireless - Webcast Series 2014

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DOCUMENTS AND FILES

Evolutionary & Disruptive Visions Towards Ultra High Capacity Networks

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.

Mobile Data Backhaul: The Need For E-Band

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.

TU Dresden uses National Instruments Platform for 5G Research

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.

Solutions for Enabling Fast, Accurate and Efficient Testing of Voice Quality in LTE User Equipment

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.

Small-Signal Intermodulation Distortion in OFDM Transmission Systems

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.

IMS Architecture: The LTE User Equipment Perspective

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).

Voice and SMS in LTE

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.

Minimizing PIM Generation From RF Cables and Connectors

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).

Solutions for LTE-Advanced Physical Layer Design and Test

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.

Electronically Scanned Arrays for Fast Testing of Large Antennas

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.

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