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63 <a href="#pub-attribs">Data Fields</a> </div>
64 <div class="headertitle">
65 <div class="title">compression_hdr Struct Reference<div class="ingroups"><a class="el" href="group__xran__common__pkt.html">XRAN Packet definitions and functions</a></div></div> </div>
67 <div class="contents">
69 <p><code>#include <<a class="el" href="xran__pkt_8h_source.html">xran_pkt.h</a>></code></p>
70 <div class="dynheader">
71 Collaboration diagram for compression_hdr:</div>
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73 <div class="center"><img src="structcompression__hdr__coll__graph.png" border="0" usemap="#compression__hdr_coll__map" alt="Collaboration graph"/></div>
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76 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
77 Data Fields</h2></td></tr>
78 <tr class="memitem:ab3f5c028170bd3bd241a58be8ca8da96"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structcompression__hdr.html#ab3f5c028170bd3bd241a58be8ca8da96">ud_iq_width</a>:4</td></tr>
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80 <tr class="memitem:ae12079177feb5d2ee414356fc18473cf"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structcompression__hdr.html#ae12079177feb5d2ee414356fc18473cf">ud_comp_meth</a>:4</td></tr>
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83 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
84 <div class="textblock"><p>This parameter defines the compression method and IQ bit width for the user data in the data section. This field is absent from U-Plane messages when the static IQ format and compression method is configured via the M-Plane. In this way a single compression method and IQ bit width is provided (per UL and DL, per LTE and NR) without adding more overhead to U-Plane messages. </p>
86 <p class="definition">Definition at line <a class="el" href="xran__pkt_8h_source.html#l00206">206</a> of file <a class="el" href="xran__pkt_8h_source.html">xran_pkt.h</a>.</p>
87 </div><h2 class="groupheader">Field Documentation</h2>
88 <a id="ae12079177feb5d2ee414356fc18473cf"></a>
89 <h2 class="memtitle"><span class="permalink"><a href="#ae12079177feb5d2ee414356fc18473cf">◆ </a></span>ud_comp_meth</h2>
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95 <td class="memname">uint8_t ud_comp_meth</td>
98 </div><div class="memdoc">
99 <p>udCompMeth| compression method |udIqWidth meaning ------------—+--------------------------—+-----------------------------------------— 0000b | no compression |bitwidth of each uncompressed I and Q value 0001b | block floating point |bitwidth of each I and Q mantissa value 0010b | block scaling |bitwidth of each I and Q scaled value 0011b | mu-law |bitwidth of each compressed I and Q value 0100b | modulation compression |bitwidth of each compressed I and Q value 0100b - 1111b | reserved for future methods |depends on the specific compression method </p>
101 <p class="definition">Definition at line <a class="el" href="xran__pkt_8h_source.html#l00213">213</a> of file <a class="el" href="xran__pkt_8h_source.html">xran_pkt.h</a>.</p>
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106 <h2 class="memtitle"><span class="permalink"><a href="#ab3f5c028170bd3bd241a58be8ca8da96">◆ </a></span>ud_iq_width</h2>
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112 <td class="memname">uint8_t ud_iq_width</td>
115 </div><div class="memdoc">
116 <p>Bit width of each I and each Q 16 for udIqWidth=0, otherwise equals udIqWidth e.g. udIqWidth = 0000b means I and Q are each 16 bits wide; e.g. udIQWidth = 0001b means I and Q are each 1 bit wide; e.g. udIqWidth = 1111b means I and Q are each 15 bits wide </p>
118 <p class="definition">Definition at line <a class="el" href="xran__pkt_8h_source.html#l00208">208</a> of file <a class="el" href="xran__pkt_8h_source.html">xran_pkt.h</a>.</p>
122 <hr/>The documentation for this struct was generated from the following file:<ul>
123 <li><a class="el" href="xran__pkt_8h_source.html">xran_pkt.h</a></li>
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