In wireless systems, interference in the wireless channel can be quite problematic, degrading the reception of desired signals. It can originate from a variety of intentional, unintentional and incidental radiators and occurs in both licensed and unlicensed spectrum. With the growing scarcity of radio frequency spectrum and ongoing efforts to improve its utilization for the highest capacity and performance (e.
In today’s complex wireless ecosystem, as our mobile devices have continued to evolve, users have come to expect continually improving functionality. Accordingly, chipset vendors, device and infrastructure OEMs, and carriers are challenged to keep up if not accelerate the pace of innovation while maintaining high product quality.
As wireless operators continue to build out their infrastructure to support ever-increasing bandwidth requirements, one commonly overlooked aspect that has a significant impact on operational cost is enclosures and cabinets needed to house electronics. Outdoor equipment enclosures enable wireless operators to save substantial time, labor, space, capital and operational expense as compared to prefabricated buildings and shelters, while meeting their exact needs for equipment mounting, thermal management, coaxial and fiber cable management, power and battery backup.
In today’s consumer products, USB and HDMI™ have become household names and are synonymous with ultra-portable connectivity and HD video. As technology has improved and as the consumer’s demands for more features, high definition (HD) video playback and social networking capability continues to grow then so has the challenge constantly increased to maintain the ultra slim form factor on mobile products that help us to stay connected with the world.
When examining Flame, the most sophisticated malware that has appeared to date, investigators discovered an interesting feature: Flame can steal and transmit data from computers that have no Internet connections. Flame does it by using unsuspecting humans for bi-directional data transport. Flame begins the process by copying itself to every digital storage device that it encounters, including USB sticks and external hard drives.
By Tim Bradow, VP of Marketing, Infinite Power Solutions (IPS) Advanced solid-state batteries together with ambient energy harvesting provide a permanent eco-friendly power solution for deploying wireless sensor networks in Smart Buildings. Wireless Sensor Networks (WSNs) are self-organizing, self-healing networks of small sensor nodes and are positioned to transform a variety of industrial sensing applications, including building automation (occupancy detection, HVAC, lighting controls, etc.
By Anders Lundgren, IAR Systems As ZigBee gains traction in the home automation and light industrial arenas, the right development tools make the difference in power savings. The ZigBee wireless protocol has been around for a number of years, but is just beginning to make a significant impact on the market.
As more and more battery-powered medical devices get utilized in the home or get worn by the patient, it is becoming increasingly critical to make this equipment less susceptible to patient-error. An innovative battery holder technology makes battery replacement virtually fool-proof, providing added protection against incorrect battery replacement, which can jeopardize product safety and performance.
Ever wondered how non-line-of-sight (NLOS) backhaul really works? And how NLOS backhaul is different from Line-of-Sight (LOS) backhaul? I will explain the difference here and highlight some key issues that make a very big difference in the performance of NLOS systems. A fundamental practice in designing wireless systems is to understand the characteristics of the propagation channel and to design a system that takes advantage of such characteristics while mitigating for different impairments.
The new Smart Home is much more than just the connected home – it is about a truly smart home that combines the best of the connected home, the new Internet of Things, as well as the Internet of Tiny Things, with the marketing and business platform provided by the world’s leading entertainment and service providers.
Is the year already half over? Where did the time go? Some of you may have seen my blog back in February about the "12 Communication Trends for 2012." Six months later, the cool thing is that this continues to be a very hot and relevant set of topics for just about anyone who wants to quickly get a perspective on the top communication trends and how to plan for them.
By Mark Keenan, Director of Real Wireless Ltd It is hard to believe that the 2012 Olympics are over, but so is our successful quest for the epic event’s “in-building wireless” Gold Medal at Wembley Stadium. Like the athletes that graced Wembley and the other Olympic venues, we found that research, planning, practice and the use of the latest technology would be the keys to our Olympic success.
Transducers for Equipment Monitoring and More When choosing an analog measurement transducer for a variety of instrumentation monitoring applications including machine monitoring, quality assurance, and more, you will be given a choice of signal types. The most common signals for these transducers are either voltage (0-5 volts DC, or 0-10 volts DC) or current (generally 4-20 milliamps).
Mobile healthcare (mHealth) is tipped to be one of the hottest trends for 2012. Indeed, a report from the World Heath Organisation (WHO), ‘mHealth – New Horizons for Health Through Mobile Technologies’, recognises that the use of mobile and wireless has the potential to transform the face of health service delivery across the globe.
Cellular Network Synchronization Challenges - Time and Phase Synchronization over Packet-based NetworksAugust 22, 2012 8:46 am | Blogs | Comments
The need for deterministic timing performance for packet-based wireless backhaul networks and case for Time Synchronization Using IEEE®-1588-2008 + Synchronous Ethernet in a Time-Setting Mode of Operation By P. Stephan Bedrosian, Distinguished Engineer, LSI Corporation We use clocks everyday to synchronize ourselves with persons or processes.
Sleek, efficient and easy to use. Buzzwords, to be sure, but ones which accurately describe what a distributed antenna system (DAS) will undoubtedly look like in the very near future. That’s because, with an increasing reliance on data-hungry mobile applications, enterprise demand for in-building networks will compel DAS to become less complex and more IT friendly.
By Jim Machi, SVP of Marketing at Dialogic It’s no surprise that the voice communications industry is growing – especially with the advent of wideband audio, more commonly known as High Definition (HD) Voice. The introduction of HD Voice on mobile networks, which recently launched on numerous commercial mobile networks and many wireline VoIP networks worldwide, allows end-users to experience this new technology firsthand.
By Rubayyat Mahbub Turjo and Adnan Mousharraf Bangladesh University of Engineering and Technology (BUET), Dhaka, Bangladesh The article focuses on the revolution of talking ceramics in the field of wireless communication, especially their applications, property requirements and recent R&D works on some talking ceramic materials which are ideally suitable for wireless communication.
Access to the Internet and connectivity are often taken for granted by people living in urban and suburban communities. Many people have come to expect wireless access as a part of daily life. It’s no longer a luxury, it’s a necessity. When I moved to Brant County in rural Ontario, I already had a number of years of experience as a networking consultant.
The National Oceanic and Atmospheric Association data says that lightning is the 2 nd leading cause of storm deaths in the US with about 100 each year. This is only behind heat related deaths but is more than hurricanes and tornadoes combined. In addition, lightning causes about 1000 injuries and $5 billion of damage each year -- and that is just in the US.
The fabled Pony Express of the American West started carrying mail on April 3, 1860. At a time when the typical wagon train required four or five months to travel from Missouri to California, the Pony Express used relays of fresh horses and riders to cover the same distance in just 10 days. Well planned and well executed, it represented the cutting edge in western communications.
Global analysts, cellcos, and machine-to-machine (M2M) solution providers all agree on at least one thing – M2M is on a hockey stick growth trajectory. International alliances of mobile operators with other operators and/or solution providers are being formed. Acquisitions are being made that strengthen some providers with new technologies, access to broader markets, and better purchasing power.
With nearly 90% of adults in the U.S. now using mobile phones and the majority of those users going online with their mobile devices (Pew Internet), the mobile communications revolution is in full swing. This unprecedented level of 24/7 connectivity has changed the way people live in countless ways – providing a medium to connect in real time with family and friends, merging digital and physical experiences and even sparking social movements.
Lithium metal oxide chemistry improves upon legacy battery technologies to cut costs and increase reliability of military and aerospace systems. Demand is growing for high-rate, battery-powered solutions for avionics, navigation systems, ordinance fuses, missile systems, telemetry, electronic warfare systems, GPS tracking and emergency/safety devices, shipboard and oceanographic devices.
We are going through a radical shift in the way people work and use computers. Increasing availability and affordability of wireless broadband is giving the global workforce true mobility, for the first time in history. Many of them will use smartly designed mobile rugged computers for their everyday computing and communication needs, instead of traditional laptops.