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The performance of a packet mode OFDM modem for 5 GHz band high-data-rate wireless LANs
1999 / IEEE / 0-7803-5904-6
This item was taken from the IEEE Conference ' The performance of a packet mode OFDM modem for 5 GHz band high-data-rate wireless LANs ' This paper describes the configuration and experimental results of a packet mode OFDM modem which is developed for 5 GHz high-data-rate wireless LANs. The prototype, implemented by programmable gate array devices, realizes 1/4 scale operation of 20 Mbit/s transmission. It employs DQPSK-OFDM modulation using 48 subcarriers with convolutional coding of rate 3/4 and it also employs a burst synchronization circuit which performs symbol timing detection and carrier frequency offset compensation. The experimental results show that it achieves good packet error rate performance (0.1% or less) in multipath channels with RMS delay spread of 100 ns.
Burst Synchronization Circuit
Symbol Timing Detection
Packet Error Rate Performance
Rms Delay Spread
Programmable Gate Array Devices
High-data-rate Wireless Lan
Packet Mode Ofdm Modem
Carrier Frequency Offset Compensation