contributors may be used to endorse or promote products derived from
this software without specific prior written permission.";
- revision "2019-06-19" {
+ revision "2019-07-03" {
description
- "version 1.1.1
+ "version 2.0.0
- 1) adding possibilities to provide more compression types for beamforming";
+ 1) re-designed/switched from per band to per capabilities-group for
+ addition flexibility
+ 2) added in new beam tilt feature
+ 3) adding possibilities to provide more compression types for beamforming
+ 4) Adding possibility to configure beamforming per capabilities group
+ 5) corrected xPATH boolean check from TRUE to true";
- reference "ORAN-WG4.M.0-v01.00";
- }
-
- revision "2019-04-01" {
- description
- "version 1.1.0
-
- 1) corrested xPATH boolean check from TRUE to true";
-
- reference "ORAN-WG4.M.0-v01.00";
+ reference "ORAN-WG4.M.0-v02.00";
}
revision "2019-02-04" {
modify beamforming configuration information";
}
+ feature BEAM-TILT {
+ description
+ "This feature indicates that the O-RU supports an optional feature to
+ allows to shift beam characteristic of all predefined-beams in elevation
+ and/or azimuth direction (i.e. changing the service area or sector
+ coverage) while preserving the beam adjacency among the beams within
+ the service area ";
+ }
+
typedef beam-reference {
type leafref {
path "/o-ran-bf:beamforming-config/o-ran-bf:per-band-config/o-ran-bf:beam-information/o-ran-bf:beamforming-properties/o-ran-bf:beam-id";
}
}
+ grouping cap-group {
+ description
+ "Capabilities group grouping";
+
+ leaf capabilities-group {
+ type leafref {
+ path "/o-ran-bf:beamforming-config/o-ran-bf:capabilities-groups/o-ran-bf:capabilities-group";
+ }
+ mandatory true;
+ description
+ "Capabilities group identification number to which it refers.";
+ }
+
+ }
+
grouping per-band-config-element {
description
"Grouping for per band config element";
leaf beamforming-trough-attributes-supported {
type boolean;
+ config false;
description
"Informs if beamforming can be controlled providing attributes to O-RU
(like angles, beamwidth).";
leaf beamforming-trough-ue-channel-info-supported {
type boolean;
+ config false;
description
"Informs if beamforming can be controlled by UE information.";
}
list per-band-config {
key band-number;
+ config false;
+ // [ast] libyang does not accept referencing deprecated leafs from non-deprecated elements
+ // status deprecated;
description "beamforming information per band";
+ uses per-band-config-element;
+ }
+
+ list capabilities-groups {
+ key capabilities-group;
+ description
+ "Capabilities groups identification number assigned to be referenced by operations
+ and notifications.
+ This also help to group particular beamforming capabilities and bind it with arrays";
+ leaf capabilities-group {
+ type uint16;
+ description
+ "Capabilities group identification number. Number which is used just for reference in RPC
+ and notification";
+ }
uses per-band-config-element;
}
}
container operational-properties {
if-feature MODIFY-BF-CONFIG;
+ config false;
description "properties for dynamic beam weight/attribute support";
uses operational-properties;
}
}
+ grouping beam-tilt-configuration {
+ description "grouping for beam-tilt feature";
+ list predefined-beam-tilt-offset {
+ if-feature BEAM-TILT;
+ key capabilities-group;
+ description "Configuration of the predefined-beam-tilt-offset per capabilities-group";
+ leaf capabilities-group {
+ type leafref {
+ path "/o-ran-bf:beamforming-config/o-ran-bf:capabilities-groups/o-ran-bf:capabilities-group";
+ require-instance false;
+ }
+ mandatory true;
+ description
+ "Capabilities group identification number for which
+ the predefined-beam-tilt-offset relates to";
+ }
+ leaf elevation-tilt-offset-angle {
+ type int16 {
+ range "-90..90";
+ }
+ units degrees;
+ default 0;
+ description
+ "Value 0 represents the default service area of the predefined-beams
+ in elevation domain, i.e. no tilt offset.
+
+ Values smaller than 0 represents an up-shift of the default service area
+ towards the zenith (i.e., corresponding to a decrease in zenith angle) and
+ values larger than 0 represent a down-shift of the default service area
+ away from the zenith (i.e., corresponding to an increase in zenith angle).
+
+ If the value is greater than the maximum supported angle, then the maximum
+ angle is used for configuration.
+ If the value is less than the minimum supported angle, then the minimum
+ angle is used for configuration.
+ The actual angle used is (angle DIV granularity) * granularity.
+
+ Any O-RU which is reset using the o-ran-operations:reset RPC shall reset
+ its offset angle to its default value.";
+ }
+ leaf azimuth-tilt-offset-angle {
+ type int16 {
+ range "-90..90";
+ }
+ units degrees;
+ default 0;
+ description
+ "Value 0 represents the default service area of the predefined-beams
+ in azimuth domain, i.e., no tile offset.
+
+ Azimuth tilt offset angle, represents counter-clockwise rotation around
+ z-axis. I.e., assuming view from the UE (observation of the O-RU
+ from the front), value larger than 0 and smaller than 0
+ respectively represent right-shifted and left-shifted of the default
+ service area in azimuth domain.
+
+ If the value is greater than the maximum supported angle, then the maximum
+ angle is used for configuration.
+ If the value is less than the minimum supported angle, then the minimum
+ angle is used for configuration.
+ The actual angle used is (angle DIV granularity) * granularity.
+
+ Any O-RU which is reset using the o-ran-operations:reset RPC shall reset
+ its offset angle to its default value.";
+ }
+ }
+ }
+
+ grouping beam-tilt-state {
+ description
+ "Grouping for beam tilt state";
+
+ list predefined-beam-tilt-offset-information {
+ key capabilities-group;
+ config false;
+ description
+ "Information which exposes predefined-beam-tilt-offset related O-RU capabilities.";
+ leaf capabilities-group {
+ type leafref {
+ path "/o-ran-bf:beamforming-config/o-ran-bf:capabilities-groups/o-ran-bf:capabilities-group";
+ }
+ mandatory true;
+ description
+ "Capabilities group identification number for which
+ the predefined-beam-tilt-offset-information relates to";
+ }
+ leaf elevation-tilt-offset-granularity {
+ type uint8 {
+ range "0..30";
+ }
+ units Degrees;
+ mandatory true;
+ description
+ "Indication of the supported granularity for the
+ predefined-beam-tilt-offset in elevation domain.
+
+ Value 0 represents that the O-RU doesn't support
+ the predefined-beam-tilt-offset in elevation domain.";
+ }
+ leaf azimuth-tilt-offset-granularity {
+ type uint8 {
+ range "0..30";
+ }
+ units Degrees;
+ mandatory true;
+ description
+ "Indication of the supported granularity for the
+ predefined-beam-tilt-offset in azimuth domain.
+
+ Value '0' represents that the O-RU doesn't support
+ the predefined-beam-tilt-offset in azimuth domain.";
+ }
+ leaf minimum-supported-elevation-tilt-offset {
+ type int16 {
+ range "-90..0";
+ }
+ units Degrees;
+ mandatory true;
+ description
+ "The minimum value which can be configured for
+ 'elevation-tilt-offset-angle'.";
+ }
+ leaf maximum-supported-elevation-tilt-offset {
+ type int16 {
+ range "0..90";
+ }
+ units Degrees;
+ mandatory true;
+ description
+ "The maximum value which can be configured for
+ 'elevation-tilt-offset-angle'.";
+ }
+ leaf minimum-supported-azimuth-tilt-offset {
+ type int16 {
+ range "-90..0";
+ }
+ units Degrees;
+ mandatory true;
+ description
+ "The minimum value which can be configured for
+ 'azimuth-tilt-offset-angle'.";
+ }
+ leaf maximum-supported-azimuth-tilt-offset {
+ type int16 {
+ range "0..90";
+ }
+ units Degrees;
+ mandatory true;
+ description
+ "The maximum value which can be configured for
+ 'azimuth-tilt-offset-angle'.";
+ }
+ leaf run-time-tilt-offset-supported {
+ type boolean;
+ mandatory true;
+ description
+ "If 'run-time-tilt-offset-supported' is FALSE, changing the values in
+ 'predefined-beam-tilt-offset' for a specific band shall be allowed only
+ if all 'tx-array-carriers' and 'rx-array-carriers' corresponding
+ to the band are INACTIVE.";
+ }
+ }
+
+ }
+
+ grouping beam-tilt-report {
+ description
+ "Grouping for beam tilt report";
+
+ list predefined-beam-tilt-state {
+ key capabilities-group;
+ config false;
+ description
+ "Information which exposes state of predefined-beam-tilt-offset.";
+ leaf capabilities-group {
+ type leafref {
+ path "/o-ran-bf:beamforming-config/o-ran-bf:capabilities-groups/o-ran-bf:capabilities-group";
+ }
+ mandatory true;
+ description
+ "Capabilities group identification number for which
+ the predefined-beam-tilt-state relates to";
+ }
+ leaf elevation-tilt-offset-angle {
+ type int16 {
+ range "-90..90";
+ }
+ units Degrees;
+ mandatory true;
+ description
+ "Value 'zero' represents the default service area of the
+ predefined-beams in elevation domain.
+
+ Values smaller than 0 represents an up-shift of the default service area
+ towards the zenith (i.e., corresponding to a decrease in zenith angle) and
+ values larger than 0 represent a down-shift of the default service area
+ away from the zenith (i.e., corresponding to an increase in zenith angle).";
+ }
+ leaf azimuth-tilt-offset-angle {
+ type int16 {
+ range "-90..90";
+ }
+ units Degrees;
+ mandatory true;
+ description
+ "Value 'zero' represents the default service area of the
+ predefined-beams in azimuth domain.
+
+ Azimuth tilt offset angle, represents counter-clockwise rotation around
+ z-axis. I.e., assuming view from the UE (observation of the O-RU from
+ the front), value larger than 'zero' and smaller than 'zero'
+ respectively represent right-shifted and left-shifted of the default
+ service area in azimuth domain.";
+ }
+ }
+
+ }
+
container beamforming-config {
config false;
description
uses beamforming-config;
uses beamforming-supported-type;
+ container beam-tilt {
+ if-feature BEAM-TILT;
+ description "container for pre-defined beam tilt feature";
+ uses beam-tilt-state;
+ uses beam-tilt-report;
+ }
}
}
}
+ rpc activate-beamforming-config-by-capability-group {
+ if-feature MODIFY-BF-CONFIG;
+ description
+ "rpc to activate beamforming config information by indicating the file
+ stored in the folder O-RAN/beam-weights in advance";
+ input {
+ leaf beamforming-config-file {
+ type string;
+ mandatory true;
+ description
+ "file name stored in O-RAN/beamforming/ folder is indicated";
+ }
+
+ uses cap-group;
+ }
+ output {
+ leaf status {
+ type enumeration {
+ enum ACCEPTED {
+ description "O-RU has accepted the beamforming weight/attribute file";
+ }
+ enum REJECTED {
+ description
+ "O-RU has rejected the beamforming weight/attribute file. The O-RU
+ should then use the default beamforming file.";
+ }
+ }
+ mandatory true;
+ description "Status of activation of beamforming config information";
+ }
+ leaf error-message {
+ when "../status='REJECTED'";
+ type string;
+ description
+ "Detailed error Message when the status is rejected, e.g.,
+ because new beam forming file is attempted to be applied to a
+ carrier which is still active, or the beam-id does not exist.";
+ }
+ }
+ }
+
+
+ rpc modify-predefined-beam-tilt-offset {
+ if-feature BEAM-TILT;
+ description
+ "rpc to trigger the modification of the predefined beam tilt offset";
+ input {
+ uses beam-tilt-configuration;
+ }
+ output {
+ leaf status {
+ type enumeration {
+ enum ACCEPTED {
+ description "O-RU has accepted the predefind beamtilt offset configuration";
+ }
+ enum REJECTED {
+ description
+ "O-RU has rejected the predefind beamtilt offset configuration.";
+ }
+ }
+ mandatory true;
+ description "Status of acceptance of pre-defined beamtilt offset configuration";
+ }
+ leaf error-message {
+ when "../status='REJECTED'";
+ type string;
+ description
+ "Detailed error message when the pre-defined beam tilt configuration
+ is rejected, e.g., used when 'run-time-tilt-offset-supported' is FALSE and the
+ NETCONF client is attempting to modify the beam tilt on a band where
+ one or more array-carriers are still ACTIVE.";
+ }
+ }
+ }
+
//notification statement
notification beamforming-information-update {
description
"this notification indicates that the beamforming properties are updated for particular band";
}
+
+ notification capability-group-beamforming-information-update {
+ uses cap-group;
+ description
+ "this notification indicates that the beamforming properties are updated for particular band
+ or capability group";
+ }
+
+ notification predefined-beam-tilt-offset-complete {
+ if-feature BEAM-TILT;
+ uses beam-tilt-report;
+ description
+ "this notification indicates that the re-generation of the predefined
+ beams is completed";
+ }
}
Code Review / sim / o1-interface.git / blobdiff