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tutorial   1-5 star rating for this site  
OFDM for Mobile Data Communications
Orthogonal frequency division multiplexing (OFDM) is a communications technique that divides a communications channel into a number of equally spaced frequency bands. A subcarrier carrying a portion of the user information is transmitted in each band. Each subcarrier is orthogonal (independent of each other) with every other subcarrier, differentiating OFDM from the commonly used frequency division multiplexing (FDM).
Click here to preview in another window preview: http://www.iec.org  

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OFDM Tutorial
Frequency division multiplexing (FDM) is a technology that transmits multiple signals simultaneously over a single transmission path, such as a cable or wireless system. Each signal travels within its own unique frequency range (carrier), which is modulated by the data (text, voice, video, etc.).
Click here to preview in another window preview: http://www.wave-report.com  

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OFDM/OFDMA Audio Visual Tutorial for WiFi and WiMAX
OFDM Tutorial Summary The OFDM Tutorial goes in depth into the theory and implementation of OFDM wireless communication systems. Starting with the treatment of multipath fading channels, OFDM is introduced as a bandwidth efficient robust communication system for multipath fading channels. Using IEEE 802.11a as a basis, a full OFDM system is described in both theory and implementation. In particular, detailed description of acquisition...
Click here to preview in another window preview: http://www.silicondsp.com  

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OFDM: Old Technology for New Markets
For years, broadcast wireless networking was limited to practical speeds of less than 11Mbps. Now, with the advent of Orthogonal Frequency Division Multiplexing (OFDM) (define), wireless standards like IEEE 802.11a and 802.11g (define) are moving the real-world wireless LAN speed limit to 50Mbps and beyond.
Click here to preview in another window preview: http://www.80211-planet.com  

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OFDM Receiver Design
Othogonal Frequency Division Multiplex (OFDM) has gained considerable attention in recent years. It has been adopted for various standards include the 802.11a wireless LAN standard. In this project, we implemented an OFDM receiver based 802.11a standard.
Click here to preview in another window preview: http://bwrc.eecs.berkeley.edu   date: 12/12/2000

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OFDM Receivers for Broadband-Transmission
On this web-site we will briefly describe the general problem of multipath channels and introduce the multicarrier approach. We present the general structure of a receiver for DVB-T and discuss its performance.
Click here to preview in another window preview: http://www.iss.rwth-aachen.de   date: 1/1/1999

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Orthogonal Frequency Division Multiplexing (OFDM) Explained
Orthogonal Frequency Division Multiplexing (OFDM) is a wireless technology patented in 1970 that runs on the principle of transmitting data by dividing the data stream into multiple parallel bit streams that have a much lower bit rate and using these sub-streams to modulate several carriers. Although OFDM has been around since the 1960s, only recently has it been recognized as an outstanding method for high speed, bi-directional wireless...
Click here to preview in another window preview: http://www.techonline.com  

Alacron - The Future of Image Acquisition and Processing


Alacron produces high performance frame grabbers, accelerated frame grabbers in PCI, PCI-X, PCIe, PMC and PCMCIA form factors. Also, Alacron produces a wide range of high-speed recording and storage systems using disk and flash technology. Our hardware products support demanding, real-time imaging, machine vision, and DSP applications. All Alacron subsystems are supported by a full range of software development tools, including highly optimized micro-coded imaging, machine vision, and compression libraries.
Alacron - The Future of Image Acquisition and Processing


 

 

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