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Spelling: QPSK
Quadrature Phase Shift Keying.
QPSK [1] is a digital frequency modulation technique used for sending
data over networks of several media, including 802.11 [2] wireless.
Doubling the data rate available in BPSK [3], via improved efficiency
in the use of the radio bandwidth, QPSK [4] is used in 802.11b [5]
networks of 2Mpbs or greater.
* 802.11b Basics [6]
See also PHY [7], ODFM [8].
Links:
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[1] http://melbournewireless.org.au/?QPSK
[2] http://melbournewireless.org.au/?802.11
[3] http://melbournewireless.org.au/?BPSK
[4] http://melbournewireless.org.au/?QPSK
[5] http://melbournewireless.org.au/?802.11b
[6] http://www.pulsewan.com/data101/802_11_b_basics.htm
[7] http://melbournewireless.org.au/?PHY
[8] http://melbournewireless.org.au/?ODFM
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