Wireless Communications Applications Center

A SemiApps.com Applications Center

Wireless Basestations Application Notes :: Maxim: BASESTATIONS / WIRELESS INFRASTRUCTURE

BASESTATIONS / WIRELESS INFRASTRUCTURE * Ethernet/Backhaul * High-Speed ADCs * High-Speed DACs * High-Speed Signal Distribution * Wireless and RF System Design  >>  

Wireless Basestations White Papers :: Commonalities between CDMA2000 and WCDMA Technologies

This paper identifies common fundamental techniques underlying cdmaOneTM, CDMA2000® and WCDMA technologies, as well as their family of standards. Furthermore, this paper demonstrates that these...  >>  

Satellite Access Application Notes :: Introducing Stratix III FPGAs--Optimized for Broadcast Applications

The latest generation of Altera® high-end FPGAs, the Stratix® III device family provides 50% lower power, 25% better performance and 2X the density of previous families. Leverage Stratix...  >>  

Ultra Wideband/ Wireless USB White Papers :: One Step Closer to Wireless Freedom

Ultra-Wideband (UWB) technology brings the convenience and mobility of wireless communications to high-speed interconnects in devices throughout the digital home and office. Designed for...  >>  

Satellite Access White Papers :: Broadcast Video Infrastructure Implementation Using FPGAs

The proliferation of high-definition television (HDTV) video content creation and the method of delivering these contents in a bandwidth-limited broadcast channel environment have driven new video...  >>  

Wireless Basestations White Papers :: Architecture and Component Selection for SDR Applications

In wireless communications, particularly the military space, software-defined radio (SDR) is the goal. The basic concept of SDR is to position the digital-to-analog separation as close as possible...  >>  

Mobile Handset Memory White Papers :: NVM Technology Overview

NVM - the Fastest Growing Sector of the Semiconductor Market. Non-volatile memory (NVM) devices retain stored information even without a power source.  >>  

Mobile Handset Backlighting/ Flash White Papers :: The Evolution of Switched Capacitor Backlight Drivers in Mobile Phones

Today the majority of mobile phones use white LEDs to provide backlighting for the color display. Nearly every phone designer strives to drive the backlight with the most efficient, smallest size,...  >>  

Wireless Basestations White Papers :: WCDMA Network Deployments: Asynchronous vs. Synchronous

A basic design decision facing an operator of a WCDMA network is the nature and level of synchronization between base stations in the network. The WCDMA standard allows asynchronous operation in...  >>  

WiMAX White Papers :: RF Spectrum Utilization in WiMAX

This paper discusses the implementation of IEEE 802.16a/d/e WirelessMAN (broadband wireless access), also referred to as WiMAX (Worldwide Interoperability for Microwave Access), in terms of...  >>  

Mobile Handset Backlighting/ Flash White Papers :: Connecting LEDs: Serial vs. Parallel

When designing a handheld device with a color display using white LEDs for backlighting, is it better to use parallel or series connected LEDs? Both architectures have their own advantages when you...  >>  

Mobile Multimedia Platforms/ Components Application Notes :: Minimizing RF Susceptibility in Cell-Phone Headphone Amplifiers

Although many modern audio amplifiers are not designed with high-frequency RF in mind, the amplifiers are increasingly exposed to strong RF interference. Using GSM cell phones as an example, this...  >>  

Mobile Handset Backlighting/ Flash White Papers :: Connecting LEDs: Serial vs. Parallel

When designing a handheld device with a color display using white LEDs for backlighting, is it better to use parallel or series connected LEDs?  >>  

Bluetooth Application Notes :: Single-chip Bluetooth: an overview of BlueCore design options

BlueCore is a single-chip Bluetooth solution. The sixth generation BlueCore architecture offers outstanding levels of performance and integration.  >>  

Mobile Handset Memory Application Notes :: Selecting semiconductor technology for wireless products

The number of wireless standards and their potential single-chip combinations raises many questions about the right process technology for implementing next-generation products.  >>  

WiMAX White Papers :: Beamforming Boosts the Range and Capacity of WiMAX Networks

Having gained tremendous momentum over a number of years, WiMAX is now widely viewed as a leading candidate for fourth-generation (4G) wireless data communication. Because WiMAX is based on...  >>  

Mobile Multimedia Platforms/ Components Application Notes :: Ultra Portable Solution Design Guide

In this design reference guide you will find solutions by application and function as well as a list of our new products for ultra-portable market. A list of application notes is included at the...  >>  

Wireless Basestations Application Notes :: Wireless Base Station Solutions from National Semiconductor

National Semiconductors offers a wide range of high performance signal path solutions for wireless basestation (BTS) and wireless infrastructure applications in 2G, 2.5G, 3G and 4G mobile...  >>  

Satellite Access Application Notes :: AN2677/D - Digital Satellite Equipment Control (DiSEqC) using C68HC908QT/QY

This document describes using the Motorola MC68HC908QT/QY series microcontroller unit (MCU) as the digital satellite equipment control slave. The MCU in this application note is a twin...  >>  

Bluetooth Application Notes :: Texas Instruments - Bluetooth/WLAN Coexistence

Texas Instruments is making wireless one with a complete hardware and software solution that allows users to experience the simultaneous functionality of Bluetooth wireless technology and...  >>  

WiMAX White Papers :: Using Cyclone III FPGAs for Emerging Wireless Applications

This paper gives an overview of how Altera® Cyclone® III FPGAs address the diverse requirements for wireless applications, with the WiMAX pico base station discussed as a case study.  >>  

Ultra Wideband/ Wireless USB White Papers :: UWB papers and presentations

Overviews, tutorials, performance studies, channel studies, interference studies, industry regulations, etc.  >>  

Wireless Basestations Application Notes :: LT5528 WCDMA ACPR, AltCPR and Noise Measurements

ACPR (adjacent channel power ratio), AltCPR (alternate channel power ratio), and noise are important performance metrics for digital communication systems that use, for example, WCDMA (wideband...  >>  

Wireless Basestations Application Notes :: Implementing a MAP Decoder for cdma2000(TM) Turbo Codes on TMS320C62x(TM) DSP

This document describes how to implement a maximum a posteriori (MAP) decoding algorithm for wireless turbo codes on a TMS320C62x(tm) digital signal processing (DSP) device. The max-log-MAP...  >>  

Bluetooth Application Notes :: Bluetooth RF Silicon and Software Solutions

Make easy to use Bluetooth® wireless connectivity a reality with Broadcom's Bluetooth-based RF silicon and software solutions. Broadcom's Blutonium® RF silicon offer customers...  >>  

WiMAX White Papers :: Intel Centrino Mobile Technology Reference Guide for WiMAX Networks

This start guide provides the Worldwide Interoperability for Microwave Access (WiMAX) ecosystem with a unique look into Intel's vision and direction for the integration of WiMAX solutions,...  >>  

Mobile Handset Memory White Papers :: Positioning Paper: Mobile entertainment

Mobile entertainment is emerging as a major driver for the wireless and semiconductor industries.  >>  

Wireless Basestations White Papers :: Basic concepts of WCDMA radio access network

There has been a tremendous growth in wireless communication technology over the past decade. The significant increase in subscribers and traffic, new bandwidth consuming applications such as...  >>  

Mobile Multimedia Platforms/ Components Application Notes :: Wireless Communications

AN-1374: Use of LMV225 Linear-In-dB RF Power Detector In CDMA2000 1X and EV_DO Mobile Station and Access Terminal.  >>  

Mobile Handset Camera, GPS Application Notes :: App Note 1008: Optimize the MAX2242 PA for 2.4GHz DECT Cordless Phone Applications

The main objective of this application note is to provide the overall performance summary of the MAX2242 in non-linear operation. A detailed optimization procedure of the MAX2242 is provided to...  >>  

Mobile Handset Memory White Papers :: Online course: Non-PLL Radio Frequency (RF) Basics

Gain an understanding of RF basics including noise, mixers, LNAs, and compression.  >>  

Ultra Wideband/ Wireless USB White Papers :: Ultra-Wideband (UWB) Technology

Ultra-Wideband (UWB) technology brings the convenience and mobility of wireless communications to high-speed interconnects in devices throughout the digital home and office.  >>  

Satellite Access White Papers :: A Simple Data Pre-Distortion Technique for Satellite Communications: Design & Implementation on Altera DSP Board

This paper presents the design procedure and implementation results for a 16 quadrature amplitude modulation (16-QAM) digital data predistortion technique for satellite communications using an...  >>  

WiMAX White Papers :: The WiMAX Forum is working to facilitate the deployment of broadband wireless networks based on the IEEE 802.16 standard

WiMAX is a standards-based technology enabling the delivery of last mile wireless broadband access as an alternative to cable and DSL.  >>  

Wireless Basestations Application Notes :: Tiny Crystal Oscillators From NDK Carry Bigger Tasks

Mobile Communication Base Stations -  Crystal oscillators used in equipment in base stations need to be more compact wiuth a more stable operation.  >>  

Satellite Access Application Notes :: Broadband Satellite Access

Broadband Satellite technology uses a RF satellite link to provide subscribers with broadband Internet access  >>