--- /dev/null
+module o-ran-compression-factors {
+ yang-version 1.1;
+ namespace "urn:o-ran:compression-factors:1.0";
+ prefix "o-ran-compression-factors";
+
+
+ organization "O-RAN Alliance";
+
+ contact
+ "www.o-ran.org";
+
+ description
+ "This module defines the module capabilities for
+ the O-RAN Radio Unit U-Plane configuration.
+
+ Copyright 2020 the O-RAN Alliance.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the above disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the above disclaimer in the documentation
+ and/or other materials provided with the distribution.
+ * Neither the Members of the O-RAN Alliance nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.";
+
+ revision "2020-08-10" {
+ description
+ "version 4.0.0
+
+ 1) supporting compression types per endpoint
+ 2) adding feature for configurable fs-offset for compression";
+
+ reference "ORAN-WG4.M.0-v04.00";
+ }
+
+ revision "2020-04-17" {
+ description
+ "version 3.0.0
+
+ 1) adding selective RE sending compression types";
+
+ reference "ORAN-WG4.M.0-v03.00";
+ }
+
+ revision "2019-07-03" {
+ description
+ "version 1.1.0
+
+ 1) changes related to compression bitwidth presentation";
+
+ reference "ORAN-WG4.M.0-v01.00";
+ }
+
+ revision "2019-02-04" {
+ description
+ "version 1.0.0
+
+ 1) imported model from xRAN
+ 2) changed namespace and reference from xran to o-ran";
+
+ reference "ORAN-WG4.M.0-v01.00";
+ }
+
+ feature CONFIGURABLE-FS-OFFSET {
+ description
+ "Presence of this feature means that O-RU supports configurable fs-offset for compression.";
+ }
+
+ grouping compression-method-grouping {
+ description
+ "Grouping for compression method.";
+
+ leaf iq-bitwidth {
+ type uint8;
+ description
+ "Bitwidth to be used in compression";
+ }
+
+ leaf compression-method {
+ type enumeration {
+ enum NO_COMPRESSION {
+ description
+ "No compression will be used";
+ }
+ enum BLOCK_FLOATING_POINT {
+ description
+ "Block floating point compression and decompression will be used";
+ }
+
+ enum BLOCK_SCALING {
+ description
+ "Block scaling compression and decompresion will be used";
+ }
+
+ enum U_LAW {
+ description
+ "u-Law compression and decompresion method will be used";
+ }
+
+ enum BEAMSPACE {
+ description
+ "Beamspace compression and decompression will be used";
+ }
+
+ enum MODULATION {
+ description
+ "Modulation compression and decompression will be used";
+ }
+ enum BLOCK-FLOATING-POINT-SELECTIVE-RE-SENDING {
+ description
+ "block floating point with selective re sending
+ compression and decompression will be used";
+ }
+ enum MODULATION-COMPRESSION-SELECTIVE-RE-SENDING {
+ description
+ "modulation compression with selective re sending
+ compression and decompression will be used";
+ }
+ }
+ description
+ "Compresion method which can be supported by the O-RU";
+ }
+ }
+
+ grouping compression-formats {
+ description
+ "Grouping deicated to list compression formats as choice";
+
+ choice compression-format {
+ description
+ "Choice of compression format for particular element";
+
+ case no-compresison {
+ description "Compression for beam weights is not supported.";
+ }
+ case block-floating-point {
+ description "Block floating point compression and decompression is supported.";
+
+ leaf exponent {
+ type uint8 {
+ range "4";
+ }
+ description "Exponent bit width size in number of bits used when encoding in udCompParam.";
+ }
+ }
+
+ case block-floating-point-selective-re-sending {
+ description
+ "Block floating point with selective re sending compression and decompression is supported.";
+
+ leaf sres-exponent {
+ type uint8 {
+ range "4";
+ }
+ description "Exponent bit width size in number of bits used when encoding in udCompParam.";
+ }
+ }
+
+ case block-scaling {
+ description "Block scaling compression and decompresion is supported.";
+ leaf block-scalar {
+ type uint8;
+ description
+ "Common scaler for compressed PRB";
+ }
+ }
+
+ case u-law {
+ description "u-Law compression and decompresion method is supported.";
+ leaf comp-bit-width {
+ type uint8 {
+ range "0..15";
+ }
+ description "Bit with for u-law compression";
+ }
+ leaf comp-shift {
+ type uint8 {
+ range "0..15";
+ }
+ description
+ "the shift applied to the entire PRB";
+ }
+ }
+
+ case beam-space-compression {
+ description "Beamspace compression and decompression is supported. Applies to beamforming weights only.";
+ leaf-list active-beam-space-coeficient-mask {
+ type uint8;
+ description
+ "active beamspace coefficient indices associated with the compressed beamforming vector";
+ }
+ leaf block-scaler {
+ type uint8;
+ description
+ "Common scaler for compressed beamforming coefficients";
+ }
+ }
+
+ case modulation-compression {
+ description "Modulation compression and decompression is supported.";
+ leaf csf {
+ type uint8 {
+ range "0..1";
+ }
+ description "Constallation shift flag";
+ }
+
+ leaf mod-comp-scaler {
+ type uint16 {
+ range "0..32767";
+ }
+ description "Modulation compression scaler value.";
+ }
+ }
+
+ case modulation-compression-selective-re-sending {
+ description "Modulation compression with selective re sending and decompression is supported.";
+ leaf sres-csf {
+ type uint8 {
+ range "0..1";
+ }
+ description "Constallation shift flag";
+ }
+
+ leaf sres-mod-comp-scaler {
+ type uint16 {
+ range "0..32767";
+ }
+ description "Modulation compression scaler value.";
+ }
+ }
+
+ }
+ }
+
+ grouping compression-params {
+ description
+ "Parameters to define compression";
+
+ leaf compression-type {
+ type enumeration {
+ enum STATIC {
+ description
+ "Indicates that static compression method will be used (both compression and IQ bitwidth)";
+ }
+ enum DYNAMIC {
+ description
+ "Indicates that dynamic compression method will be used";
+ }
+ }
+ mandatory true;
+ description
+ "Compression type that O-DU wants to be supported";
+ }
+
+// *********** TO BE REMOVED ***********
+ leaf bitwidth {
+ when "../compression-type = 'STATIC'";
+ type uint8;
+ status deprecated;
+ description
+ "Bitwidth to be used in compression.
+ This has since been replaced in M-Plane version
+ 2.0.0 with the iq-bitwidth schema node";
+ }
+// *************************************
+
+ uses compression-formats;
+ }
+
+ grouping compression-parameters {
+ description
+ "Parameters used to define description type";
+
+ leaf iq-bitwidth {
+ type uint8;
+ description
+ "Bitwidth to be used in compression";
+ }
+
+ uses compression-formats;
+ }
+
+ grouping format-of-iq-sample {
+ description
+ "Indicates module capabilities about IQ samples";
+
+ leaf dynamic-compression-supported {
+ type boolean;
+
+ description
+ "Informs if radio supports dynamic compression method";
+ }
+
+ leaf realtime-variable-bit-width-supported {
+ type boolean;
+
+ description
+ "Informs if O-RU supports realtime variable bit with";
+ }
+
+ list compression-method-supported {
+ uses compression-parameters;
+
+ description
+ "List of supported compression methods by O-RU
+ Note: if O-RU supports different compression methods per endpoint
+ then please refer do endpoints to have information what
+ exactly is supported on a paticular endpoint";
+ }
+
+ leaf syminc-supported {
+ type boolean;
+
+ description
+ "Informs if symbol number increment command in a C-Plane is
+ supported or not";
+ }
+
+ leaf regularization-factor-se-supported {
+ type boolean;
+
+ description
+ "Informs if regularizationFactor in section type 5 is
+ supported(true) or not(false)";
+ }
+
+ leaf little-endian-supported {
+ type boolean;
+ default false;
+
+ description
+ "All O-RUs support bigendian byte order. This node informs if module supports the
+ the optional capability for little endian byte order for C/U plane data flows.
+
+ Note - little endian support does not invalidate bigendian support.";
+ }
+ }
+
+
+ grouping compression-details {
+ description "";
+
+ leaf iq-bitwidth {
+ type uint8;
+ description
+ "Bitwidth to be used in compression";
+ }
+
+ uses compression-params;
+ }
+}
Code Review / scp / oam / modeling.git / blobdiff