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Content for  TS 23.255  Word version:  19.3.0

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0…   5…   6…   7…   7.1a…   7.2…   7.3…   7.4…   7.5…   7.6…   7.7…   7.8…   7.9…   7.10…   8…   8.2.5…   A   B…   C… 
7 Procedures and information flows  7.1 Usage of SEAL services  7.1.1 General  7.1.2 Group management service  7.1.2.1 General  7.1.2.2 Information flows  7.1.2.3 Procedures  7.1.2.4 APIs  7.1.3 Location management service  7.1.3.1 General  7.1.3.2 Information flows  7.1.3.3 Procedures  7.1.3.4 APIs  7.1.4 Network resource management service  7.1.4.1 General  7.1.4.2 Information flows  7.1.4.3 Procedures  7.1.4.4 APIs  7.1.5 Network slice capability exposure service 
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7  Procedures and information flows  p. 23

7.1  Usage of SEAL services  p. 23

7.1.1  General  p. 23

The UAE capabilities (UAE client and UAE server) utilize the SEAL services. Also the UAS application specific server(s) may directly utilize the SEAL services. All SEAL services specified in TS 23.434 are available to the UAS application layer (i.e. the UAE layer and the UAS application specific layer).
In this clause, the details of the information flows, procedures and APIs utilized by the UAS application layer are described.

7.1.2  Group management service  p. 24

7.1.2.1  General  p. 24

The UAE capabilities (UAE client and UAE server) utilize the group management service procedures (e.g. creation, join, leave) of SEAL based on the group configuration information (e.g. group join policy, group leader) provided by the UAS application specific layer. The decisions and corresponding triggers (e.g. group creation, join, leave) for group management are responsibility of the UAS application specific layer. The group management service of SEAL provides support for creating group for UAS for supporting UAS applications and C2 communications.
The UAS application specific server(s) may directly utilize the group management service procedures of SEAL.
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7.1.2.2  Information flows  p. 24

The following information flows of group management service of SEAL as specified in TS 23.434 are applicable for the UAS applications:
The usage of the above information flows are clarified as below:
  • The identity is the UE ID or CAA Level ID;
  • The identity list or identities list is the list of UE IDs or CAA Level IDs; and
  • The VAL server is the UAE server or the UAS application specific server.
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7.1.2.3  Procedures  p. 25

The following procedures of group management service of SEAL as specified in TS 23.434 are applicable for the UAS applications:
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7.1.2.4  APIs  p. 25

The following APIs of group management service of SEAL as specified in TS 23.434 are applicable for the UAS applications:

7.1.3  Location management service  p. 25

7.1.3.1  General  p. 25

The UAE capabilities (UAE client and UAE server) utilize location management (e.g. network location of UEs) service procedures of SEAL to support UAS applications.
The UAS application specific server(s) may directly utilize the location management service procedures of SEAL.

7.1.3.2  Information flows  p. 26

The following information flows of location management service of SEAL as specified in TS 23.434 are applicable for the UAS applications:
The usage of the above information flows are clarified as below:
  • The identity is the UE ID or CAA Level ID;
  • The identity list or identities list is the list of UE IDs or CAA Level IDs; and
  • The VAL server is the UAE server or the UAS application specific server.
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7.1.3.3  Procedures  p. 26

The following procedures of location management service of SEAL as specified in TS 23.434 are applicable for the UAS applications:
  • Event-triggered location reporting procedure specified in clause 9.3.3;
  • On-demand location reporting procedure specified in clause 9.3.4;
  • Location reporting event triggers configuration cancel specified in clause 9.3.6;
  • Location information subscription procedure specified in clause 9.3.7;
  • Event-trigger location information notification procedure specified in clause 9.3.8;
  • On-demand usage of location information procedure specified in clause 9.3.9;
  • Obtaining UE(s) information at a location specified in clause 9.3.10;
  • Monitoring Location Deviation specified in clause 9.3.11
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7.1.3.4  APIs  p. 26

The following APIs of location management service of SEAL as specified in TS 23.434 are applicable for the UAS applications:
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7.1.4  Network resource management service  p. 27

7.1.4.1  General  p. 27

The UAE capabilities (UAE client and UAE server) and UAS application specific servers utilize network resource management service procedures of SEAL to support UAS applications and C2 communications.
The UAS application specific server(s) may directly utilize the network management service procedures of SEAL.

7.1.4.2  Information flows  p. 27

The following information flows of network resource management service of SEAL as specified in TS 23.434 are applicable for the UAS applications:
The usage of the information flows are clarified as below:
  • The identity is the 3GPP UE ID or CAA Level UAV ID;
  • The identity list or identities list is the list of 3GPP UE IDs or CAA Level UAV IDs; and
  • The VAL server is the UAE server or the UAS application specific server.
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7.1.4.3  Procedures  p. 27

The following procedures of network resource management service of SEAL specified TS 23.434 are applicable for the UAS applications and C2 communications:
  • Request for unicast resources at VAL service communication establishment specified in clause 14.3.3.2.1;
  • Request for modification of unicast resources specified in clause 14.3.3.2.2;
  • Network resource adaptation specified in clause 14.3.3.3.1;
  • QoS/resource management capability initiation in network assisted UE-to-UE communications procedure specified in clause 14.3.5.2;
  • Coordinated QoS provisioning operation in network assisted UE-to-UE communications procedure specified in clause 14.3.5.3;
  • Monitoring Events Subscription procedure specified in clause 14.3.6.2;
  • Monitoring Events Notification procedure specified in clause 14.3.6.3;
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7.1.4.4  APIs  p. 28

The following APIs of network resource management service of SEAL specified TS 23.434 are applicable for the UAS applications and C2 communications:
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7.1.5  Network slice capability exposure service |R19|  p. 28

7.1.5.1  General  p. 28

The UAE capabilities (UAE client and UAE server) and UAS application specific servers utilize network slice capability exposure service procedures of SEAL to support UAS applications and C2 communications.
The UAS application specific server(s) may directly utilize the network slice capability exposure service procedures of SEAL.
Specific QoS per planned flight path/waypoint may be requested using network slice optimization described in TS 23.435.
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7.1.5.2  Information flows  p. 28

The following information flows of network slice capability exposure service of SEAL as specified in TS 23.435 are applicable for the UAS applications:
The usage of the information flows are clarified as below:
  • The identity is the 3GPP UE ID or CAA Level UAV ID;
  • The identity list or identities list is the list of 3GPP UE IDs or CAA Level UAV IDs;
  • The VAL server is the UAE server or the UAS application specific server or UAS UE;
  • The area of interest comprises geographical information in form of waypoint(s);
  • The trigger event comprises time information about the route or time point specifying when the UAV reaches the respective waypoint and the corresponding QoS requirement of each waypoint;
  • The priority comprises priority information about a route/waypoint(s).
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7.1.5.3  Procedures  p. 29

The following procedures of network slice capability exposure service of SEAL specified TS 23.435 are applicable for the UAS applications and C2 communications:
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7.1.5.4  APIs  p. 29

The following APIs of network slice capability exposure service of SEAL specified TS 23.435 are applicable for the UAS applications and C2 communications:
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