<?xml version="1.0" encoding='utf-8'?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card id="card1" title="Packet radio - Page 4 - Wikipedia">
<p>
<a accesskey="1" href="page.php?w=Packet_radio&amp;p=3">1.Previous</a><br />
<a accesskey="3" href="page.php?w=Packet_radio&amp;p=5">3.Next</a>
</p>
<p>faced in the implementation of packet radio networks was a means to control access to a shared <a href="page.php?w=communication_channel">communication channel</a> to avoid collisions of signals. Professor <a href="page.php?w=Norman_Abramson">Norman Abramson</a> of the <a href="page.php?w=University_of_Hawai%3Fi">University of Hawai?i</a> led development of a packet radio network known as <a href="page.php?w=ALOHAnet">ALOHAnet</a> and performed a number of experiments beginning in the 1970s to develop methods to arbitrate access to a shared radio</p><p>
<a accesskey="1" href="page.php?w=Packet_radio&amp;p=3">1.Previous</a><br />
<a accesskey="3" href="page.php?w=Packet_radio&amp;p=5">3.Next</a>
</p>

<do type="prev" label="Search">
        <go href="search.wml"/>
</do>

</card>
</wml>
