1 module o-ran-compression-factors {
3 namespace "urn:o-ran:compression-factors:1.0";
4 prefix "o-ran-compression-factors";
7 organization "O-RAN Alliance";
13 "This module defines the module capabilities for
14 the O-RAN Radio Unit U-Plane configuration.
16 Copyright 2019 the O-RAN Alliance.
18 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
19 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 POSSIBILITY OF SUCH DAMAGE.
30 Redistribution and use in source and binary forms, with or without
31 modification, are permitted provided that the following conditions are met:
33 * Redistributions of source code must retain the above copyright notice,
34 this list of conditions and the above disclaimer.
35 * Redistributions in binary form must reproduce the above copyright notice,
36 this list of conditions and the above disclaimer in the documentation
37 and/or other materials provided with the distribution.
38 * Neither the Members of the O-RAN Alliance nor the names of its
39 contributors may be used to endorse or promote products derived from
40 this software without specific prior written permission.";
42 revision "2019-07-03" {
46 1) changes related to compression bitwidth presentation";
48 reference "ORAN-WG4.M.0-v01.00";
51 revision "2019-02-04" {
55 1) imported model from xRAN
56 2) changed namespace and reference from xran to o-ran";
58 reference "ORAN-WG4.M.0-v01.00";
61 grouping compression-params {
62 leaf compression-type {
66 "Indicates that static compression method will be used (both compression and IQ bitwidth)";
70 "Indicates that dynamic compression method will be used";
75 "Compression type that O-DU wants to be supported";
78 // *********** TO BE REMOVED ***********
80 when "../compression-type = 'STATIC'";
84 "Bitwidth to be used in compression";
86 // *************************************
88 choice compression-format {
90 "Choice of compression format for particular element";
93 description "Compression for beam weights is not supported.";
95 case block-floating-point {
96 description "Block floating point compression and decompression is supported.";
102 description "Exponent bit width size in number of bits used when encoding in udCompParam.";
107 description "Block scaling compression and decompresion is supported.";
111 "Common scaler for compressed PRB";
116 description "u-Law compression and decompresion method is supported.";
117 leaf comp-bit-width {
121 description "Bit with for u-law compression";
128 "the shift applied to the entire PRB";
132 case beam-space-compression {
133 description "Beamspace compression and decompression is supported. Applies to beamforming weights only.";
134 leaf-list active-beam-space-coeficient-mask {
137 "active beamspace coefficient indices associated with the compressed beamforming vector";
142 "Common scaler for compressed beamforming coefficients";
146 case modulation-compression {
147 description "Modulation compression and decompression is supported.";
152 description "Constallation shift flag";
155 leaf mod-comp-scaler {
159 description "Modulation compression scaler value.";
165 grouping compression-details {
171 "Bitwidth to be used in compression";
174 uses compression-params;