A primer on LTE-Advanced
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2011-07-04 |
| Here's an introduction to LTE-Advanced, a project that is being specified initially as part of Release 10 of the 3GPP specifications. |
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| Solving the VoIP power supply problem
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2010-01-15 |
| A power supply for VoIP phones is extremely cost-sensitive, power-loss sensitive and needs reasonable cross regulation. The C'uk converter excels in this application |
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| Overcome design complexities in multi-core networking (Part 2)
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2009-10-01 |
| This article discusses in more detail how multi-core can be used for a new design for 4G telecommunications infrastructure and for a network offload engine for an existing SIP server. |
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| Power over Ethernet comes of age
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2009-09-03 |
| PoE+ brings more power and better classification techniques to an already established industry of PoE networks. |
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| Network your home entertainment with HomePNA
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2009-08-10 |
| Learn how HomePNA 3.1 addresses the needs of IPTV deployment in the home and how chipsets use the HPNA technology. Read on how you can incorporate HomePNA chips into consumer electronic products. |
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| Secure nextgen VoIP phones with 802.1x
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2009-07-01 |
| Know the value of 802.1x standard in authenticating and authorising physical connections to a network. |
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| Learn about VoIP quality measurements
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2009-03-30 |
| Know and compare the testing methods to measure, monitor and analyse the speech quality of VoIP services |
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| Line echo canceller, DC offsets in VoIP
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2009-03-26 |
| Here's a comparison of the different methods for testing VoIP speech quality |
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| Mobile WiMAX all set for portables
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2009-03-17 |
| Read about WiMAX sub-systems packaged in self-contained modules to simplify the integration of this technology. |
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| Go beyond LTE requirements, goals
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2008-12-26 |
| LTE presents a number of lofty goals, creating challenges for technology and service providers, and equipment manufacturers. |
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| Next-gen VoIP and the role of DSP
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2008-11-25 |
| Learn how to choose a DSP platform that can meet the demands of high-definition voice applications. |
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| Enable VoIP QoS from the design platform
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2008-11-25 |
| Read about several quality architecture issues related to IP networks, and existing circuit switched and cellular networks. |
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| Wideband vs. narrowband VoIP codecs
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2008-11-21 |
| Here are factors to consider before switching to wideband voice such as trade-offs in both processing horsepower and the bandwidth. |
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| Power considerations for VoIP
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2008-10-13 |
| With the adoption of PoE, there is a change in the way we think about powering network components. |
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| Ensure successful VoWLAN: Know security in VoIP networks
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2008-08-28 |
| See how using flexible hardware accelerators accommodate changes in standards and the unchecked evolution of network threats. |
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| Keeping your VoIP up and running
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2008-06-19 |
| VoIP addresses many companies' needs for telephony. However, groundwork must be prepared to ensure VoIP applications are always working |
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| Tailor VoWLAN to your low-cost wireless needs
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2008-05-16 |
| Deploy VoIP over WLANs (VoWLANs) to further reduce costs in corporate enterprises, while increasing mobility and convenience for users. This article discusses reliability issues and challenges in using VoWLAN as well as how to overcome them |
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| VoIP quality issues: Jitter, delay, and echo (2
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2008-04-03 |
| There are two time-related issues that can adversely impact the quality of IP voice services: transit delay and jitter. These two issues are inextricably intertwined. |
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| Implementing VoIP with software voice engines
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2007-12-19 |
| Using a software voice engine instead of an external DSP can significantly reduce the bill of materials. |
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| Testing HSUPA devices
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2007-11-16 |
| HSUPA places high demands on the wireless device's transmitter, processor, internal buses and memory allocation. You must test the device's performance while HSUPA channels are active. This article explains how. |
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| How to implement small LCD backlighting--LED driver considerations
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2007-10-04 |
| Here are several do's and don'ts, requirements and considerations, all surrounding LCD backlighting for handsets. |
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| VoIP platforms for the evolving residential gateway
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2007-08-23 |
| Residential VoIP gateways are becoming responsible for video and cellular traffic, security processing, and more. Here's how to design a platform that can handle these roles |
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| DSP serves convergence needs of small business
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2007-07-04 |
| For OEMs, selecting the right technology can make it easier to reach the small and medium-sized business market with new devices for converged voice, video, and data services. |
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| Building cost-effective VoIP solutions
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2007-06-16 |
| The article evaluates system hardware architecture options you can use to implement IP voice and video applications, including GPPs, processors with on-chip accelerators, or processors with discrete programmable coprocessors. |
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| Next-generation VoIP and the role of DSP
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2007-06-11 |
| Emerging technologies such as high-definition voice are expanding the role of the IP phone. Here's how to choose a DSP platform that can keep up with the changes. |
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| Delivering voice services over EPON
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2007-04-10 |
| The use of CESoP over EPON enables voice services for residential and business applications. CESoP may be used to provide fractional, leased line or private T1/E1 service for business customers or Nx64kbps voice channels over POTS lines for residential customers. |
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| VoIP security: Scenarios, challenges, and countermeasures (2
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2007-02-02 |
| This article discusses vulnerabilities, challenges and countermeasures in securing a VoIP network from the application right down to the hardware |
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| Integration, interoperability drive video phone success
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2006-12-27 |
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| Delivering low-cost, high-quality end-to-end VoIP services
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2006-12-13 |
| Delivering low-cost, high-quality VoIP services requires the ability to harness the IP network's efficiencies as well as a careful balance of intelligence between the handset and the network edge and core |
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| PoE evolution brings high power
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2006-08-14 |
| Three techniques to increase power in Powered Devices (PD) are introduced in this article. |
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Strange modes of transport and other "stuff"
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