Features
Cable Modem Certification
By Gregory Smith
The certification process for cable modems designed to meet
CableLabs’ Data Over Cable Service Interface Specifications (DOCSIS) can be rigorous and exhausting. This article discusses the DOCSIS specifications, the overall goals of the certification process, and how the process works.
Lessons in Designing LEOs: Part I
By Steven Leeland
Here’s a look behind the scenes at the immense engineering challenges faced by those who are developing low Earth orbit (LEO) satellite-based
communication systems. Payload parameters, data packet switches, and engineering trade-off decisions are also considered.
Using Content-Addressable Memory for Networking Applications
By Sherri Azgomi
Most memory devices store and retrieve data by addressing specific memory locations. But the time required to locate an item stored in memory can be greatly reduced if that item can be identified for access by its content rather than by
its address. Content-addressable memory (CAM) provides just such a solution, and is ideally suited for several networking and communication applications.
DSP Buyer’s Guide
By Henry Davis
As more and more vendors come to market with digital signal processor (DSP) offerings, we are beginning to see a greater diversity in architectures. This buyer’s guide explores the various architectural approaches that DSP vendors have
taken.
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