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Content for  TS 27.007  Word version:  19.2.0

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18  Commands for UAS configuration and operation |R17|p. 435

18.1  Generalp. 435

This clause defines AT commands that a TE may use to control MT supporting UAS services. The MT supporting UAS supports UUAA procedure and C2 authorization procedure as defined in TS 24.501 for 5GS and in TS 24.301 for EPS.
A comprehensive set of UAS specific commands is defined to provide the flexibility needed by the more complex MT. The commands are designed to be expandable to accommodate new UAS feature options and interface protocols, merely by defining new values for many of the parameters. The commands use the extended information and error message capabilities described in this specification.
The +CUUAAPT command requests the UE to transport the UUAA parameters to the network and to report the UUAA parameters received from the network as defined in TS 24.501 for 5GS and in TS 24.301 for EPS.
The +CC2APT command requests the UE to transport the C2 authorization parameters to the network and to report the C2 authorization parameters received from the network as defined in TS 24.501 for 5GS and in TS 24.301 for EPS
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18.2  Commands specific to UAS servicesp. 435

18.2.1  UUAA parameter transport +CUUAAPTp. 435

Command Possible response(s)
+ CUUAAPT =<n>,<CAA_level_UAV_id>[,<USS_addr>[,<UUAA_payload>]] +CME ERROR: <err>
+ CUUAAPT? +CUUAAPT: [,<CAA_level_UAV_id>[,<UUAA_result>[,<UUAA_payload>]]]
+ CUUAAPT=?
Description
The set command is used to request the MT to transport UUAA parameters to the network as specified in TS 24.501 for 5GS and in TS 24.301 for EPS. The unsolicited result code +CUUAAPT: [,<CAA_level_UAV_id>[,<UUAA_result>[,<UUAA_payload>]]] reports the UUAA parameters received from the network.
The read command is used to return the current value of unsolicited result code +CUUAAPT.
Test command returns values supported as a compound value.
Defined values
<n>
Integer type
0 (default)
disable presentation of the unsolicited result code
1
enable presentation of the unsolicited result code +CUUAAPT: [,<CAA_level_UAV_id>[,<UUAA_result>[,<UUAA_payload>]]]
<CAA_level_UAV_id>
string type; contains the CAA-level UAV ID. <CAA_level_UAV_id> is encoded as the value part of the Service-level device ID as specified in clause 9.11.2.11 of TS 24.501.
<USS_addr>
string type; contains the IP address or FQDN. <USS_addr> is encoded as the value part of the Service-level-AA server address as specified in clause 9.11.2.12 of TS 24.501.
<UUAA_payload>
string type; contains the application-level payload for UUAA procedure. <UUAA_payload> is encoded as the value part of the Service-level-AA payload as specified in clause 9.11.2.13 of TS 24.501
<UUAA_result>
integer type; contains the result of UUAA procedure. <UUAA_result> is encoded corresponding to the value part of the SLAR bits of the Service-level-AA response as specified in clause 9.11.2.14 of TS 24.501.
0 (default)
UUAA completed successfully
1
UUAA was not successful or revoked
Implementation
Optional.
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18.2.2  C2 authorization parameter transport +CC2APTp. 436

Command Possible response(s)
+ CC2APT =<n>,<CAA_level_UAV_id>[,<C2_authorization_payload>] +CME ERROR: <err>
+ CC2APT? +CC2APT: [,<CAA_level_UAV_id>[,<C2_authorization_payload>[,<C2_auth_result>]]]
+ CC2APT=?
Description
The set command is used to request the MT to transport C2 authorization parameters to the network as specified in TS 24.501 for 5GS and in TS 24.301 for EPS. The unsolicited result code +CC2APT: [,<CAA_level_UAV_id>[,<C2_authorization_payload>[,<C2_auth_result>]]] reports the C2 authorization parameters received from the network.
The read command is used to return the current value of unsolicited result code +CC2APT.
Test command returns values supported as a compound value.
Defined values
<n>
Integer type
0 (default)
disable presentation of the unsolicited result code
1
enable presentation of the unsolicited result code +CC2APT: [,<CAA_level_UAV_id>[,<C2_authorization_payload>[,<C2_auth_result>]]]
<CAA_level_UAV_id>
string type; contains the CAA-level UAV ID. <CAA_level_UAV_id> is encoded as the value part of the Service-level device ID as specified in clause 9.11.2.11 of TS 24.501.
<C2_authorization_payload>
string type; contains the application-level payload which may include UAV-C pairing information, fight authorization information, C2 session security information, if available. <C2_authorization_payload> is encoded as the value part of Service-level-AA payload as specified in clause 9.11.2.13 of TS 24.501.
<C2_auth_result>
integer type; contains the result of C2 authorization procedure. <C2_auth_result> is encoded corresponding to the value part of the C2AR bits of the Service-level-AA response as specified in clause 9.11.2.14 of TS 24.501.
0 (default)
C2 authorization completed successfully
1
C2 authorization was not successful or revoked
Implementation
Optional.
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18.3  No-transmit zone restriction information +CNTZAI |R19|p. 437

Command Possible response(s)
+CNTZAI=(list of <geographical_area_id>,<number_of_polygon_points>,(list of <latitude>,<longitude>s), <ceiling_altitude>,<floor_altitude>,<number_of_restricted_freq_bands>,(list of <rat_type>,<restricted_freq_band>,<number_of_time_restrictions>[,<start_time>,<stop_time>]s)s)+CME ERROR: <err>
+CNTZAI=?
Description
This command allows the MT to provide no-transmit zone assistance information as specified in TS 24.501 for 5GS and in TS 24.301 for EPS. Refer clause 9.2 for possible <err> values.
Defined values
<geographical_area_id>
integer type. Identifies the geographic area where the no-transmit zone is valid.
<number_of_polygon_points>
integer type. Indicates the number of entries for latitude and longitude describing the points of the poygon representing the geographical area where the restrictions apply. Minimum value is 3 and maximum value is 15 according to clause 7.3.4 of TS 23.032.
<latitude>
integer type; contains latitude value which is coded according to clause 6.1 of TS 23.032. To represent a n-point polygon, this value is used n times.
<longitude>
integer type; contains longitude value which is coded according to clause 6.1 of TS 23.032. To represent a n-point polygon, this value is used n times.
<ceiling_altitude>
integer type; contains the altitude ceiling up to which the restrictions apply, which is coded according to clause 6.3 of TS 23.032.
<floor_altitude>
integer type; contains the altitude floor up to which the restrictions apply, which is coded according to clause 6.3 of TS 23.032.
<number_of_restricted_freq_bands>
integer type. Indicates the number of entries for restricted frequency bands.
<rat_type>
integer type; indicates with the RAT type which the UE shall apply NTZ assistance information.
0
E-UTRAN
1
NG-RAN
<restricted_freq_band>
integer type. The parameter contains restricted frequency band defined in clause 5.5 of TS 36.101 for E-UTRAN or defined in clause 5.2 of TS 38.101-1 for NG-RAN.
<number_of_time_restrictions>
integer type; Indicates the number of entries for restricted time period.
<start_time>
string type. This parameter contains the start time of the restricted time period for no-transmit zone, represented by the number of seconds since 00:00:00 on 1 January 1970 UTC and is encoded as the 64-bit NTP timestamp format defined in RFC 5905, where binary encoding of the integer part is in the first 32 bits and binary encoding of the fraction part in the last 32 bits.
<end_time>
string type. This parameter contains the end time of the restricted time period for the no-transmit zone, represented by the number of seconds since 00:00:00 on 1 January 1970 UTC and is encoded as the 64-bit NTP timestamp format defined in RFC 5905, where binary encoding of the integer part is in the first 32 bits and binary encoding of the fraction part in the last 32 bits.
Implementation
Optional.
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