Implement OFDMA, MIMO for WiMAX, LTE
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2008-03-17 |
| Sam Jenkins of picoChip discusses in this article how to implement the core DSP algorithm of OFDMA, then the novel variant used by LTE for the uplink, and finally a brief discussion of MIMO for both WiMAX and LTE. It describes these in the context of a software-defined flexible architecture |
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| Utilizing the RF spectrum for WiMAX
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2005-05-16 |
| More than just hype, WiMAX promises to clear the path toward freedom of mobility and will form the basis of 4G |
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| Making MAS essential for mobile WiMAX
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2007-01-01 |
| This article reviews the basic principles behind MAS architectures and their key benefits, examines the performance characterization of a number of different MIMO algorithms, and concludes with MAS implementation considerations for WiMAX equipment developers |
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| Choose the right architecture for mobile WiMAX
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2007-07-02 |
| WiMAX systems for customer premises equipment and base transceiver stations each have advantages and disadvantages that the designer must weigh against the system's goal |
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| The art of Mobile WiMAX testing
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2008-03-03 |
| The latest version of the WiMAX standard addresses the mobile services required to free users from the tethers of a predetermined location. As with any new technology comes the need to test its hardware--in the research labs, for product qualification and conformance testing to the standard; on the production line; and for troubleshooting and maintenance. Proper and accurate testing helps ensure full interoperability of WiMAX equipment from all manufacturers |
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| Why WiMAX protocol conformance testing matters
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2009-04-29 |
| Protocol conformance testing for WiMAX is vital for minimizing time-to-market for vendors by ensuring that any problems—such as differences in implementation and software bugs—are detected and rectified as early as possible in the development cycle |
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| Use smart partitioning in WiMAX radios
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2007-01-16 |
| The appropriate partitioning of analog and digital functionality solves many of the issues related to integration of analog circuits on digital ASICs and results in faster time to market and longer time-in-market. It enables the optimization of the system to achieve high performance. |
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| Reaching the last mile with 802.16a WiMAX
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2004-10-18 |
| The IEEE 802.16a acts as a third pipe in connecting communication hotspots to the many benefits of the Internet. |
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| Developing multisector base stations for WiMAX
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2006-04-17 |
| A multisector base station can be developed by using multiple TDD or FDD reference boards tightly synchronized with other base stations to minimize signal interference. |
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| Getting capacity up for backhaul links
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2009-09-30 |
| The demand for higher capacity is relentless, and the data rate of next-generation LTE and WiMAX networks can rise to a peak of 150Mbit/s per connection |
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| Emerging 4G tech supports mobile broadband
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2009-08-11 |
| Adding WiMAX connectivity to mobile products delivers broadband speeds greater than 1Mbit/s for different services, while maintaining the form factor and battery life of existing 3G devices |
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| Multiply efficiently in wireless base stations
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2008-04-01 |
| A key feature of WiMAX system design is the support for OFDM. FPGAs make it extremely easy to implement OFDM transmitters and receivers in discrete time using IFFT and FFT, respectively. This article focuses on the reduction and optimal implementation of multiplier blocks in FFT and FIR implementation for WiMAX base stations |
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| Eliminating coexistence issues with integrated RF module
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2011-09-22 |
| Find out how integrated RF modules can provide superior coexistence faster and more efficiently than discrete components. |
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| Do one-stop test with next-gen signal analyzers
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2007-08-01 |
| A next-gen signal analyzer can improve measurement speed and other factors in the entire product design cycle. Using the same instrument at different stages improves efficiency and hastens time-to-market. |
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| Accurate power measurement in communications systems
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2008-05-01 |
| This article presents a brief history of power measurements in communication systems, important considerations in making accurate power measurements for modern communication systems, and how the latest advancements in today?s power meters help you achieve your power measurement tasks effectively. |
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| Bluetooth low energy vs proprietary RF for HID apps
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2012-01-20 |
| Here's a comparison of the Bluetooth Low Energy technology with proprietary protocols in the HID market. It looks at interoperability, flexibility, complexity, power, and cost. |
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| Boost SDR performance
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2012-01-04 |
| Here are some examples of how software for system simulation of RF end-to-end architecture design can be used to address the software defined radio design challenges. |
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| Making heterogeneous network possible
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2011-11-30 |
| Here's a discussion on heterogeneous network (HetNet), a technology that will rely heavily on SoC integration to handle the computational complexity of many different types of small cell Evolved NodeB LTE base stations. |
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2006-02-01 |
| The article introduces a software-based test architecture with modular hardware for emerging wireless technologies. |
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| Path to cellular/WLAN convergence crosses UMA
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2006-03-01 |
| Almost any type of wireless, including Wi-Fi and Bluetooth, can converge seamlessly with cellular. |
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| Wireless broadband showcases emerging apps
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2006-11-01 |
| The need for "communications-on-the-go" and its fulfillment will provide new opportunities as well as new lifestyle and work options, much of which will be enabled by the broadband wireless era. |
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