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来自「用C++编写的GPRS协议栈源代码」· HTML 代码 · 共 34 行

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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"><!--Converted with LaTeX2HTML 96.1 (Feb 5, 1996) by Nikos Drakos (nikos@cbl.leeds.ac.uk), CBLU, University of Leeds --><HTML><HEAD><TITLE>Resource Request</TITLE><META NAME="description" CONTENT="Resource Request"><META NAME="keywords" CONTENT="gprs"><META NAME="resource-type" CONTENT="document"><META NAME="distribution" CONTENT="global"><LINK REL=STYLESHEET HREF="gprs.css"></HEAD><BODY LANG="EN"> <A NAME="tex2html208" HREF="node10.html"><IMG WIDTH=37 HEIGHT=24 ALIGN=BOTTOM ALT="next" SRC="http://cbl.leeds.ac.uk/nikos/figs/next_motif.gif"></A> <A NAME="tex2html206" HREF="node8.html"><IMG WIDTH=26 HEIGHT=24 ALIGN=BOTTOM ALT="up" SRC="http://cbl.leeds.ac.uk/nikos/figs/up_motif.gif"></A> <A NAME="tex2html200" HREF="node8.html"><IMG WIDTH=63 HEIGHT=24 ALIGN=BOTTOM ALT="previous" SRC="http://cbl.leeds.ac.uk/nikos/figs/previous_motif.gif"></A>   <BR><B> Next:</B> <A NAME="tex2html209" HREF="node10.html">Resource Reply</A><B>Up:</B> <A NAME="tex2html207" HREF="node8.html">Call Set-up and Handling</A><B> Previous:</B> <A NAME="tex2html201" HREF="node8.html">Call Set-up and Handling</A><BR> <P><H3><A NAME="SECTION00124100000000000000">Resource Request</A></H3><P>The first packet received by the MAC of an MS (from the IFQ) triggers a<EM>resource_request</EM> message to the BS. We buffer the packet and thelock the IFQ to prevent it from sending down further packets. Await_timer is started to keep track of the time an MS waits for a <EM>resource_reply</EM>. The <EM>resource_request</EM> message is transmitted onslot 0 on uplink frequency 0.<P><BR> <HR><P><ADDRESS><I>Richa Jain (96D07007) <BR>Tue Jul 24 22:29:53 IST 2001</I></ADDRESS></BODY></HTML>

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