November 1, 2012 / Posted By: indekeu

Following successful multi-vendor demonstrations and interoperability testing at the recent ETSI M2M workshop, BUTLER features its collaboration with InterDigital.  BUTLER - uBiquitous, secUre inTernet-of-things with Location and contExt-awaReness - is an EU FP7 project focused on research for the Internet-of-Things (IoT).  This consortium of 6 academic institutions and 11 private companies with extensive and complementary know-how played a key role in the multi-vendor demonstrations and interoperability testing at the event, as illustrated in the downloadable ETSI M2M demo configuration diagram.  The BUTLER consortium plans to do further testing of the InterDigital M2M Service Platform and create new context-aware services and technologies.


BUTLER's goal is to integrate current technologies and develop new ones to form a “bundle” of applications, platform features and services that will bring IoT to life.  For this purpose, BUTLER will focus on:

a) Improving/creating enabling technologies to implement a well-defined vision of secure, pervasive and context-aware IoT, where links are inherently secure (from PHY to APP layers) applications cut across different scenarios (Home, Office, Transportation, Health, etc.), and the network reactions to users are adjusted to their needs (learned and monitored in real time).

b) Integrating/developing a new flexible smartDevice-centric network architecture where platforms (devices) function according to three well-defined categories: smartObject (sensors, actuators, gateways), smartMobile (user’s personal device) and smartServers (providers of contents and services), interconnected over IPv6.

c) Building a series of field trials, which progressively integrate and enhance state-of-the-art technologies to showcase BUTLER’s secure, pervasive and context-aware vision of IoT.

In addition to these R&D innovations, BUTLER and its External Members Group also plan to aggregate and lead the European effort in the standardisation and exploitation of IoT technologies.  BUTLER will focus on five different vertical domains: Smart Transport, Smart Health, Smart Shopping, Smart Home and Smart City.

October 25, 2012 / Posted By: indekeu

In conjunction with the 3rd TC M2M Workshop - hosted by ETSI in Mandelieu, France, October 24-25 - InterDigital published a white paper on its Standardized Machine-to-Machine (M2M) Software Development Platform.  The technical paper highlights how the company's standardized service layer and APIs create a common framework and roadmap for cellular operators, service providers and device manufacturers to capture the full potential of their M2M businesses.

Thanks to advances in wireless communications, embedded systems, and IP networking, Machine-to-Machine (M2M) communications provide a huge opportunity for growth in M2M Service Applications. Future M2M Solutions are envisioned to connect billions of existing and new devices, ranging from high-end smart mobile terminals to low-cost resource-constrained wireless sensors or Radio Frequency Identification (RFID) tags. M2M technologies can be beneficially applied to a broad range of use cases for smart grid, telematics, eHealth/mHealth, vehicular networking and systems, industry control, home automation, and environmental monitoring.

Current M2M markets, however, are highly fragmented. Various vertical M2M solutions have been designed independently and separately for different applications, which inevitably impacts or even impedes large-scale M2M deployment. Today’s deployments also pose additional technical challenges in managing large amounts of disparate M2M devices, security guarantee, and service discovery.

Read how InterDigital's Standardized M2M technologies power the multi-vendor machine-to-machine

demonstrations and interoperability testing at ETSI's 3rd TC M2M Workshop.





October 17, 2012 / Posted By: indekeu

Today, InterDigital's Alan Carlton (Senior Director of Corporate Planning) was featured as the keynote speaker of the Mobile Summit at the Broadband World Forum that is taking place in Amsterdam, October 16-18, 2012.

Addressing a room full of senior executives from across the wireless ecosystem, Alan summarized the key findings of the company's Vision 2020 project in his aptly-titled presentation: "Towards the Personal Ultra Broadband Era".

The Vision 2020 project builds on the premise that re-imagination... of our wireless world...our physical experiences...our digital the driving force of innovation today. The pursuit of realizing these "new experiences” will push broadband needs to new levels, leading to a bandwidth crunch that will require an ever more complex and “meshy” network of networks.

Alan went on to say that two tech trends will perhaps shape our wireless future more than any:

1. The relentless move to small and smaller cell technologies and deployments that will create a world of ubiquitous connectivity asset availability.

2. The Cloud, or increasingly pervasive sharing technology - already commonplace in the computing industry, but telecom and wireless are playing catch-up.

When putting it all together, a vision emerges of a wireless world that opportunistically and seamlessly leverages any access resource, any spectrum resource, and any device resource.

October 16, 2012 / Posted By: indekeu

The demand for wireless data is growing rapidly, with a substantial component of this growth due to the proliferation of multimedia traffic (and in particular video applications) delivered to smartphones over Wi-Fi® and cellular data networks.  Real-time video over wireless  is expected to become a bigger component of the overall multimedia traffic as LTE begins to enable the use of video conferencing over cellular networks.  This growth will outpace the capacity of wireless networks and will necessitate the use of more ‘out-of-the-box’ approaches to managing the data onslaught.  In particular, cross-layer optimization of the wireless networks to exploit the unique nature of video traffic as well as optimization of the video applications for transport over today’s congested wireless networks can deliver substantial gains in both network efficiency and user perceived Quality of Experience (QoE).

The InterDigital white paper, titled Video-Aware Link Adaption, describes several ways in which the performance of video delivery may be enhanced through cross-layer optimization, making the underlying networks aware of the applications they are supporting and making the applications aware of the networks on which they are running.

The paper outlines two cross-layer approaches to video performance optimization over LTE networks that leverage the structure of real-time video in performing link-adaptation in the MAC/PHY layers at the basestation (Class 3).  These approaches include adaptation of Hybrid-ARQ (HARQ) retransmission as well as multi-user scheduling to improve overall user QoE and network efficiency.  These techniques may provide very meaningful improvements in the end user’s perceived QoE (more than 4dB PSNR) while requiring minimal changes to the network.

October 15, 2012 / Posted By: indekeu

As a pioneer and innovator of advanced wireless solutions, InterDigital has developed innovative spectrum harvesting technologies.  InterDigital’s Dynamic Spectrum Management (DSM) solutions exploit and aggregate the capacity of underutilized bands to dynamically add more capacity to commercial LTE and Wi-Fi® systems – dramatically supplementing bandwidth. DSM is a holistic approach that combines pioneering technology advances such as radio frequency (RF) sensing, geo-location database-coordinated access, radio resource management and wireless access extensions, to dramatically increase capacity, significantly improve coverage and provide substantial mitigation of interference. As a result, new applications and services are now made possible in real-world deployments including:

  • Wi-Fi access augmentation
  • Cellular access augmentation (FDD and TDD)
  • Machine-to-Machine (M2M) communications
  • Backhaul and last-mile access
  • Multi-tier spectrum sharing models, including Licensed Shared Access (LSA), inter-operator sharing and approaches such as proposed by the PCAST recommendation.

InterDigital’s Wi-Fi (DSM-Wi-Fi) and LTE (DSM-LTE) solutions are being designed for standards-based interoperability to enable scalable and cost-effective solutions. InterDigital is working actively to lead initiatives within key standards such as ETSI, 3GPP and 802.11 to foster adoption of spectrum sharing capabilities. InterDigital is working across the ecosystem to drive market adoption and live demonstrations of its DSM solutions are being featured at DySPAN 2012.

The 6th annual IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN 2012), the leading international conference dedicated to the advancement of cutting-edge wireless technologies and associated regulatory policies, takes place 16–19 October 2012.

In conjunction with the symposium, InterDigital also published a new Dynamic Spectrum Management white paper --  providing a technical overview of spectrum harvesting through the allocation and aggregation of contiguous and non-contiguous licensed, unlicensed, and TV white space frequency channels.

October 11, 2012 / Posted By: indekeu

InterDigital's Vice President of Business Development and Strategic Solutions explains the company's fundamental role in enabling the wireless ecosystem during a short video interview at Mobilize 2012.

The prestigious Mobilize 2012 conference, hosted by GigaOM, was held in San Francisco, September 20-21,bringing together prominent wireless industry executives, VCs, angel investors, and tech journalists.

September 20, 2012 / Posted By: indekeu

Addressing a diverse and sophisticated audience at Mobilize 2012 (being held September 20-21 in San Francisco), InterDigital is featuring live demonstrations of its Smart Connectivity and Mobility Service (SCMS) – a collection of Hosted Bandwidth Management Libraries for mobile applications.

The SCMS is generating special interest from the large number of app and service developers in attendance that recognize the potential for policy-based network and application management, along with seamless mobility, to create unique and compelling consumer and business apps for smart phones.

September 13, 2012 / Posted By: indekeu

Our own Alex Reznik recently hosted a roundtable on one of the most important discussions among operators and infrastructure companies today - integration of Wi-Fi and Cellular wireless, including Wi-Fi offload. Alex was joined by senior executives from Alcatel-Lucent and Radisys.

Read the EETimes Roundtable transcript.

Cellular-WiFi integration is an important research area for InterDigital's technlogy team. Read our white paper on “Cellular-Wi-Fi Integration: a comprehensive analysis of the technology and standardization roadmap.


September 7, 2012 / Posted By: indekeu


InterDigital, in its role as a wireless R&D company, touches on issues across the entire industry. As a result, we thought it would be great for our Executive Vice President of Research and Development, Jim Nolan, to share his views on current industry topics on an ongoing basis. Thanks to the folks at EDN, a premier site for electronic design and engineering, Jim will now be authoring a blog called Waveforms on the EDN website.

Read the first contribution, on Wi-Fi integration and Hotspot 2.0, and make sure to register and follow Jim for subsequent posts.

September 7, 2012 / Posted By: indekeu

InterDigital engineers played a prominent role at the 2012 IEEE 76th Vehicular Technology Conference (VTC2012-Fall)earlier this week. Three separate speakers presented the company’s advanced solutions for the next generation of wireless:

Policy-driven bandwidth management techniques that factor in various conditions to enable a user’s data to be routed over a cellular or Wi-Fi® network – dynamically switching between networks, combined across several networks to aggregate bandwidth, or segregate multiple applications simultaneously among several networks. While fully transparent to the user, these innovations significantly improve network capacity and make quality of service more predictable.

Advanced waveforms that achieve high throughput performance in non-contiguous and opportunistically available frequencies – centered around filter bank multicarrier modulation and its variations - whereby prototype filters are designed to achieve certain frequency and time domain localization.

Dynamic spectrum management for harvesting additional capacity from TV white space and under-utilized frequency bands to supplement existing cellular and Wi-Fi systems. The company’s comprehensive dynamic spectrum management technologies address more efficient utilization of the finite resource that is spectrum – a critical new frontier.

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Putting theory into practice, the company also featured a live demonstration of its Smart Access Manager (SAM), a policy-driven client that enables smartphones, tablets and other wireless devices to make intelligent traffic management decisions using Wi-Fi, 3G and LTE networks. The SAM client dynamically directs traffic flows by type of application, resulting in optimized connectivity and enhanced service provider visibility and control. Its availability on Android and Windows platforms provides MNOs, MVNOs and device OEMs with the ability to offer seamless and secure policy-driven Wi-Fi handover as a differentiator – a key capability given the increasing use of mobile devices for data-rich applications such as streaming video.

VTC2012-Fall was held 3-6 September 2012 at the Québec City Convention Center in Québec City, Canada. This semi-annual flagship conference of the IEEE Vehicular Technology Society brought together individuals from academia, government, and industry to discuss and exchange ideas in the fields of wireless, mobile, and vehicular technology. The event featured world-class plenary speakers, tutorials, and technical as well as application sessions.

August 31, 2012 / Posted By: indekeu

Delaware Office

InterDigital has added Wilmington, Delaware to its list of offices that includes King of Prussia PA, Melville NY, Montreal and San Diego. Just 30 minutes from our major research and engineering presence in King of Prussia, the new offices are located within Bellevue State Park – the former estate of William du Pont – and will house key corporate functions.

August 2, 2012 / Posted By: indekeu

The demand for wireless data has been driving network capacity to more than double about every two years for at least the last 50 years, if not 100 years, and has come to be known as Cooper’s Law. This trend is expected to continue for at least the next decade and has even accelerated in recent years as a greater proportion of the population adopts wireless devices with ever greater capabilities such as tablets supporting HD video. To meet this demand, more spectrum has been added and spectral efficiency has improved, but spectrum re-use has been by far the most popular means to add network capacity, i.e., small cells. The shorter link distances that come with smaller cells combined with recent advances in millimeter wave transceivers and antennas, open the door for the use of millimeter wave spectrum in cellular systems. The huge bandwidths available and high directivity of antennas at millimeter wave frequencies offer the potential for greatly increasing network capacity without cell sizes becoming impractically small, but there are also great challenges.

InterDigital’s Phil Pietraski, a recognized expert in advanced wireless technologies, was selected to be the guest editor for a special issue of ZTE Communications that seeks original articles describing development, relevant trends, challenges, and current practices in the field of millimeter wave communications for cellular systems.

Publication date: December 2012

ZTE Communications is a quarterly peer‐reviewed technical journal that is edited, published and distributed by ZTE Corporation.  The journal focuses on hot topics and cutting edge technologies in the telecom industry. ZTE Communications is distributed to telecom operators, science and technology research institutes, and colleges and universities in more than 140 countries.

July 26, 2012 / Posted By: indekeu

Narayan Menon, InterDigital’s Vice President, Research and Development, presented a new vision for industry-wide seamless integration strategies at the Wi-Fi Global Congress in Seoul, South Korea, on June 27.   This conference focused on the development and monetization of ubiquitous, seamless Wi-Fi solutions, featuring topics such as Wi-Fi monetization and business models, Wi-Fi roaming and interoperability aspects, Wi-Fi offload, Hotspot 2.0 issues, small cells, policy etc. Participation in the conference was diverse, ranging from cellular operators to Wi-Fi hotspot providers, infrastructure vendors, device and connection manager vendors, etc. The event also had significant Asian presence – companies from Korea, China, Malaysia, Indonesia, Philippines etc.

Mr. Menon outlined the network architecture and standards-based solutions for prioritizing and seamlessly managing traffic across disparate access technologies, including Wi-Fi, 3G and LTE.  The presentation, “Effective Wi-Fi and cellular network integration: Alleviate congestion and enable cost-effective service delivery,” demystifies emerging strategies such as application-based offload, policy-driven traffic segregation and bandwidth aggregation.

For those interested in the history of the technologies as well as current and future strategies for integration, InterDigital also published a new technical white paper on Wi-Fi/Cellular integration: “Cellular-Wi-Fi Integration: a comprehensive analysis of the technology and standardization roadmap.

June 15, 2012 / Posted By: indekeu

Daniel Cooper of Engadget recently did an interview with InterDigital CEO, Bill Merritt. The interview was wide-ranging, touching on various topics including patents, InterDigital's business model, and what we're working on towards the future of wireless. You can read the interview here.

June 14, 2012 / Posted By: indekeu

Dr. Yuriy Reznik, a Director of InterDigital’s CTO office, discussed the company’s ground breaking technologies on using cross-layer optimization for video over wireless, including techniques using information about user and user viewing conditions in the optimization process.   The unique combination of inherent wireless-aware video processing and video-aware wireless design yields compelling improvements in picture quality, bandwidth consumption, power, delivery cost and real-time performance.

Video over wireless continues to represent a growing portion of all data traffic going forward, worsening congestion of wireless networks.  While operators are experimenting with different business models and expanding network capacity there’s an emerging ecosystem of companies providing video transcoding, caching, and analytics solutions for delivery of video over wireless.

During the Mobile Video Optimization Conference in Brussels, Belgium, June 12-13, 2012, Dr. Reznik’s talk generated stimulating discussions and several companies companies and industry analysts complimented InterDigital for bringing new ideas and vision to the field.

InterDigital presentation at Mobile Video Optimization 2012

June 14, 2012 / Posted By: indekeu

On June 14, 2012,Shared Spectrum Company (SSC), the leading innovator of dynamic spectrum access and cognitive radio technology software solutions, announced it has been awarded the American Technology Award (ATA) for outstanding achievement in telecommunications for its Spectrum Sensing Toolbox.

The award-winning Spectrum Sensing Toolbox from Shared Spectrum has been integrated into InterDigital’s Dynamic Spectrum Management™ (DSM) platform to provide channel quality sensing functions. InterDigital’s complete DSM platform and suite of technologies enable a network of networks to operate on underutilized frequencies, including TV whitespace (TVWS).  Wi-Fi®, LTE, and other wireless systems can use this ground-breaking technology to harvest additional spectrum to service more users, increase data throughput, avoid interference, and build out the small cell, heterogeneous network that is now being recognized as the future of wireless infrastructure.

InterDigital’s comprehensive approach to developing and standardizing Dynamic Spectrum Management technology has included the successful collaboration with a growing number of leading companies in this exciting new area.  This technology – now ready to move into mainstream products – opens up many frequency channels to address the bandwidth crunch that we’re often reminded of.



May 25, 2012 / Posted By: indekeu

Mike Regensburg, InterDigital Executive Vice President of Business Development, delivered brief remarks on the company’s pioneering standardization efforts in Wireless machine-to-machine (M2M) communications during the 7th Annual Wireless Health Convergence Summit on May 22-24, 2012 in San Diego, CA.  Wireless M2M technologies are believed to be essential enablers in improving the effectiveness and cost of healthcare going forward.

InterDigital has developed standardized service layer and application programming interfaces for wireless machine-to-machine (M2M) communications that create a common framework and roadmap for cellular operators, service providers and device manufacturers.  Such common M2M standard is expected to accelerate the proliferation of interoperable services and applications across multiple vertical markets – particularly healthcare – on a global scale.

May 5, 2012 / Posted By: indekeu

InterDigital’s John Cartmell presents paper on future network architectures involving converged Wi-Fi/femtocell deployments at LISAT2012, the annual conference of the Long Island section of the Institute of Electrical and Electronics Engineers (IEEE).

The converged gateway features “local IP flow mobility”, a function that selectively offloads certain traffic to specific Wi-Fi-enabled end-users, resulting in an increase in capacity of the area serviced by a femtocell.  Operators and network infrastructure providers are working to deliver more capacity and improved user experience by aggregating networks and pushing traffic to the edge of the network, and our proposal highlights a simple and effective way of achieving this while mitigating technology and deployment issues.  Read more about InterDigital's Smart Connections technologies.

The IEEE is the world’s largest professional association dedicated to advancing technological innovation, with more than 400,000 members in 160 countries. The IEEE Long Island section has about 4,000 members, and serves an area from Nassau County to Suffolk, NY.  The 8th annual Long Island Systems, Applications and Technology Conference (LISAT2012) was held on Friday, May 4, 2012 at Farmingdale State College. InterDigital has provided sponsorship to the conference since LISAT’s inception in 2005.


April 26, 2012 / Posted By: indekeu

Dr. Chitrapu discusses how policy enforcement beyond the core network further enhances user experience and network performance.

The Policy Control Conference - held this year in Amsterdam, April 24-25 - has been growing in size: Policy Control and real time charging is definitely an important area to operators. InterDigital was one of the event’s sponsors and Dr. Prabhakar Chitrapu (Senior Principal Engineer, InterDigital) presented on the company’s Smart Access Manager solution and mobile offload via policies on the server and the device. 

The big talk at the conference was around value-based services, especially video. Although operators have started moving away from tiered pricing, it seems like many believe that they are not moving fast enough to offer bundled packages and attempting to offer/price value-added video-based services.

Other value-based examples include multiple devices (e.g. smartphones and tablets), tethering, happy hour, turbo boost, zero charging for specific websites/services, roaming packages, and multiple subscriptions.

Video over wireless is growing every day, and you can tell from the Policy Control conference that operators are thinking hard about how to handle it, deliver it, and manage it.