Stephen LawsonSenior U.S. Correspondent, IDG News Service

Stephen Lawson is Senior U.S. Correspondent based in San Francisco.

Sign at AT&T's flagship San Francisco store

AT&T plans a national IoT network with LTE-M by midyear

AT&T is accelerating its rollout of LTE-M, an IoT network that’s being used to track shipping containers and pallets, monitor water use and connect fleets to the internet.

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Chips coming by June will herald the next generation of Wi-Fi: 802.11ax

Qualcomm will start shipping sample chips for the next generation of Wi-Fi by June, helping device and network vendors develop products that might quadruple users’ speeds and lengthen battery life.

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On land and in space, IoT networks can now cover the planet

At Mobile World Congress later this month, Nokia will show off what it calls WING (worldwide IoT network grid), a virtual global infrastructure that may include multiple carrier networks and satellite systems

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Low-power IoT networks go global with a satellite backbone

Inmarsat says it’s built the first global IoT network by combining land-based low-power networks with its mesh of communications satellites, bringing data connections to things like cattle in Australia and reservoirs in Malaysia.

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AT&T, IBM, Nokia join to make IoT systems safer

Some big players in security and the internet of things, including AT&T and Nokia, are joining forces to solve problems that they say make IoT vulnerable in many areas.

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As IoT sales surge, consumers still lead the way

There will be 8.4 billion IoT devices in use at the end of 2017, up 31 percent from the end of 2016, Gartner estimated on Tuesday.

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5G starts with chips like IBM and Ericsson's silicon antenna

IBM Research and Ericsson have developed a compact antenna array that can aim high-frequency radio signals at mobile devices and shoot them farther than they otherwise could reach.

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Cisco faces a tougher collaboration rival in updated Prysm

Collaboration has come a long way. Cisco Systems made a splash last month with the Spark Board, a meeting-room screen that acts like a giant iPad. But other vendors are streamlining meetings too. Prysm is beefing up its rival to the Spark Board this week.

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AT&T extends NetBond service to secure IoT connections

Enterprises can now connect cellular IoT devices to back-end systems via NetBond, a private network service from AT&T, instead of the Internet, the carrier announced this week.

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AT&T wants to be the Linus Torvalds of network software

Carriers are starting to look more like cloud companies, turning to standard hardware, virtualization and machine learning for rapid development of new services. AT&T helped drive that trend on Wednesday by releasing ECOMP, the operating system of its software-defined network, as open source.

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Now Cisco can even network your building systems

The latest network hardware from Cisco Systems gives new meaning to the words “light switch.” The Cisco Digital Building Series is an Ethernet switch designed to connect building infrastructure.

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IoT network builders sign up partners for small devices

On Monday, U.S. network operator Ingenu partnered with distributor and system builder Arrow Electronics, which will offer Ingenu’s RPMA technology when it develops IoT systems for enterprises and smaller businesses in the U.S.

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IoT's payoff is in the big picture, and Nokia knows it

On Tuesday, Nokia announced updates to its Impact IoT software platform to cover applications including lighting, video analytics and parking management. There are also updates to accommodate new low-power networks.

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Fragmentation nixed a Cisco-Android network partnership

Cisco Systems tried to give Android devices the same kinds of integration it later provided for iPhones and iPads but gave up because the Android ecosystem was too fragmented.

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Cisco's Spark Board looks like an iPad -- and acts like one

The Spark Board meeting device that Cisco Systems introduced on Tuesday is not so much a whiteboard or a videoconferencing screen as a giant tablet that everyone in the room can share.