| Publisher | Intel | ||
|---|---|---|---|
| Format | 999.2KB PDF, requires Acrobat Rdr 5 | Date added | 20 Aug 2004 |
| Topics | LAN - WAN Standards, Wi-Fi (802.11), MAN | ||
| Downloads | 250 | ||
The concept of scalability was introduced to the IEEE 802.16 WirelessMAN Orthogonal Frequency Division Multiplexing Access (OFDMA) mode by the 802.16 Task Group e (TGe). A scalable physical layer enables standard-based solutions to deliver optimum performance in channel bandwidths ranging from 1.25 MHz to 20 MHz with fixed subcarrier spacing for both fixed and portable/mobile usage models, while keeping the product cost low. The architecture is based on a scalable subchannelization structure with variable Fast Fourier Transform (FFT) sizes according to the channel bandwidth. The purpose of this paper is to provide a brief tutorial on the IEEE 802.16 WirelessMAN OFDMA with an emphasis on scalable OFDMA.
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