hash stringlengths 32 32 | doc_id stringlengths 5 12 | section stringlengths 5 1.47k | content stringlengths 0 6.67M |
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.4.4.3 Emergency service from 5G ProSe Remote UE via 5G ProSe Layer-3 UE-to-Network Relay
| A 5G ProSe Layer-3 UE-to-Network Relay participates in the 5G ProSe UE-to-Network Relay Discovery procedure (i.e. sending the UE-to-Network Relay Discovery Announcement message or UE-to-Network Relay Discovery Response message) for emergency service only when it has received the Emergency Service Support indicator in i... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.4.5 5G ProSe Intermediate UE-to-Network Relay
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.4.5.1 General
| 5G ProSe Intermediate UE-to-Network Relay can operate within NG-RAN coverage or out of NG-RAN coverage. The 5G ProSe Intermediate UE-to-Network Relays, 5G ProSe Remote UE and the 5G ProSe UE-to-Network Relay may have different HPLMNs.
The maximum number of 5G ProSe Intermediate UE-to-Network Relay on the path of 5G Pr... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.4.5.2 5G ProSe Layer-3 Intermediate UE-to-Network Relay
| The 5G ProSe Layer-3 Intermediate UE-to-Network Relay provides relay service for any IP, Ethernet or Unstructured traffic based on the corresponding RSC announced by the 5G ProSe UE-to-Network Relay. The 5G ProSe Layer-3 Intermediate UE-to-Network Relay determines the traffic type based on configuration of the mapping ... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.4.5.3 5G ProSe Layer-2 Intermediate UE-to-Network Relay
| The 5G ProSe Layer-2 Intermediate UE-to-Network Relay is defined in TS 38.300 [12].
For one 5G ProSe Layer-2 Intermediate UE-to-Network Relay, it connects with only one parent relay for Layer-2 based multi-hop UE-to-Network relay operation. In both Model A and Model B discovery procedures, the 5G ProSe Layer-2 Interme... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.5 IP address allocation
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.5.1 General
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.5.1.1 IP address allocation for unicast mode of 5G ProSe direct communication
| For unicast mode of 5G ProSe direct communication, the following mechanism for IP address/prefix allocation may be used:
a) DHCP-based IPv4 address allocation with one of the two UEs acting as a DHCP server.
b) IPv6 Stateless Address auto configuration specified in RFC 4862 [17] for assignment of IPv6 prefix, with on... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.5.1.2 IP address allocation for broadcast and groupcast modes of 5G ProSe direct communication
| For broadcast and groupcast modes of 5G ProSe direct communication, the following source IP address management applies:
a) the UE configures a link local IPv4 address to be used as the source IP address, as defined in clause 4.5.3 of TS 23.303 [3]. If it is not configured with an address, it uses Dynamic Configuration... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.5.1.3 IP address allocation for communication with a 5G ProSe Layer-3 ProSe UE-to-Network Relay
| For communication with a 5G ProSe Layer-3 UE-to-Network Relay, the following mechanism for IP address/prefix allocation applies:
- The PDU Session Type used for the relay traffic shall support the IP version used by the 5G ProSe Layer-3 Remote UE. If the 5G ProSe Layer-3 Remote UE initiates an allocation of IPv4 addre... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.5.1.4 IP address allocation for communication with a 5G ProSe Layer-3 UE-to-UE Relay
| For communication with a 5G ProSe Layer-3 UE-to-UE Relay, the following mechanism for IP address/prefix allocation applies:
- IP address allocation mechanisms of unicast mode of 5G ProSe direct communication as described in clause 5.5.1.1 can be reused on each hop between a 5G ProSe End UE and the 5G ProSe Layer-3 UE-... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.5.2 IPv6 Prefix Delegation via DHCPv6 for 5G ProSe Layer-3 UE-to-Network Relay
| IPv6 Prefix Delegation via DHCPv6 for 5G ProSe Layer-3 UE-to-Network Relay is defined in clause 5.8.2.2.4 of TS 23.501 [4].
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.6 QoS handling
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.6.1 QoS handling for 5G ProSe Direct Communication
| In order to support QoS handling for 5G ProSe Direct Communication, the mechanism defined in clause 5.4 of TS 23.287 [2] is reused with the following differences:
- Only NR PC5 QoS model is used.
- PC5 Packet Filter Set supports three types of packet filters, i.e. the Prose IP Packet Filter Set, ProSe Ethernet Packet... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.6.2 QoS handling for 5G ProSe UE-to-Network Relay operations
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.6.2.1 QoS handling for 5G ProSe Layer-3 UE-to-Network Relay without N3IWF
| For a 5G ProSe Layer-3 Remote UE accessing network via 5G ProSe Layer-3 UE-to-Network Relay without N3IWF, the QoS requirement of the relay traffic between 5G ProSe Layer-3 Remote UE and UPF can be satisfied by the corresponding QoS control for the PC5 link between 5G ProSe Layer-3 Remote UE and 5G ProSe Layer-3 UE-to-... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.6.2.2 QoS handling for 5G ProSe Layer-3 UE-to-Network relay with N3IWF
| When accessing 5GS via a 5G ProSe Layer-3 UE-to-Network Relay with N3IWF, the 5G ProSe Layer-3 Remote UE can request for PDU Session establishment or handover an existing PDU session to the N3IWF using UE requested PDU Session Establishment procedure defined in TS 23.502 [5] clause 4.12.5.
Figure 5.6.2.2-1: End-to-E... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.6.2.3 QoS handling for 5G ProSe Layer-2 UE-to-Network Relay
| For a 5G ProSe Layer-2 Remote UE accessing network via 5G ProSe Layer-2 UE-to-Network Relay, the existing 5G QoS control is reused between the 5G ProSe Layer-2 Remote UE and the 5G ProSe Layer-2 Remote UE's core network. The 5G ProSe Layer-2 Remote UE's SMF provides QoS profiles to NG-RAN, how NG-RAN performs QoS enfor... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.6.2.4 QoS handling for 5G ProSe Multi-hop Layer-3 UE-to-Network Relay without N3IWF
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.6.2.4.1 General
| End-to-end QoS management for Multi-hop UE-to-Network Relays is done similarly as QoS management for single hop Layer-3 UE-to-Network Relay as defined in clause 5.6.2.1, with enhancement to handle QoS split over multiple legs of PC5 interface.
As shown in figure 5.6.2.4-1 below, the end-to-end QoS can be met only when... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.6.2.4.2 Network initiated QoS Flows
| If the QoS Flows setup are initiated by the network, the SMF can base on the PCC rules or its local configuration to generates the QoS rules and QoS Flow level QoS parameters (e.g. 5QI, GFBR, MFBR) and signal to the 5G ProSe Layer-3 UE-to-Network Relay using PDU Session Establishment/Modification procedure. For the PDU... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.6.2.4.3 Remote UE initiated QoS Flows
| If the 5G ProSe Layer-3 Remote UE initiates PC5 QoS Flows setup or modification during the Layer-2 link establishment or modification procedure, the 5G ProSe Layer-3 Remote UE provides the QoS Info as described in clause 6.4.3.6 to its connected Intermediate UE-to-Network Relay. The PC5 QoS parameters of the QoS Info (... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.6.3 QoS handling for 5G ProSe UE-to-UE Relay operations
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.6.3.1 QoS handling for 5G ProSe Layer-3 UE-to-UE Relay
| For a 5G ProSe Layer-3 End UE connecting with another 5G ProSe Layer-3 End UE(s) via 5G ProSe Layer-3 UE-to-UE Relay, the QoS requirement of the relay traffic between the peer 5G ProSe Layer-3 End UE(s) can be satisfied by the corresponding QoS control for the PC5 link between source 5G ProSe Layer-3 End UE and 5G ProS... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.6.3.2 QoS handling for 5G ProSe Layer-2 UE-to-UE Relay
| For a 5G ProSe Layer-2 End UE connecting with another 5G ProSe Layer-2 End UE(s) via 5G ProSe Layer-2 UE-to-UE Relay, the source 5G ProSe Layer-2 End UE and the target 5G ProSe Layer-2 End UE negotiate the end-to-end QoS for the traffic transmission between source 5G ProSe Layer-2 End UE and target 5G ProSe Layer-2 End... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.7 Subscription to 5G ProSe
| The subscription information in the UDM contains information to give the user permission to use 5G ProSe.
At any time, the operator can amend or remove the ProSe UE subscription rights from subscription information in the UDM, or to revoke the user's permission to use 5G ProSe.
The following subscription information ... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8 Identifiers
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1 Identifiers for 5G ProSe Direct Discovery
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.0 General
| NOTE: The 5G DDNMF takes the role of "ProSe Function" if it exists in the following definitions in TS 23.303 [3].
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.1 ProSe Application ID
| ProSe Application ID is defined in TS 23.303 [3].
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.2 Destination Layer-2 ID
| Destination Layer-2 ID is defined in clause 5.6.1 of TS 23.287 [2].
The Destination Layer-2 ID for 5G ProSe Direct Discovery with Model A is selected based on the configuration as described in clause 5.1.2.1. The Destination Layer-2 ID for a Solicitation message for Model B is selected based on the configuration as de... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.3 Source Layer-2 ID
| Source Layer-2 ID is defined in clause 5.6.1 of TS 23.287 [2].
The UE self-selects a Source Layer-2 ID for 5G ProSe Direct Discovery and Group member discovery. The Source Layer-2 ID for 5G ProSe UE-to-UE Relay Discovery is selected as described in clause 5.8.4.2.
NOTE: The UE implementation needs to ensure that when... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.4 ProSe Application Code
| ProSe Application Code is defined in TS 23.303 [3].
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.5 ProSe Restricted Code
| ProSe Restricted Code is defined in TS 23.303 [3].
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.6 ProSe Query Code
| ProSe Query Code is defined in TS 23.303 [3].
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.7 ProSe Response Code
| ProSe Response Code is defined in TS 23.303 [3].
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.8 User Info ID
| User Info ID (including Announcer Info, Discoverer Info, Discoveree Info) is defined in clause 3.1.
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.9 ProSe Discovery UE ID
| ProSe Discovery UE ID is defined in TS 23.303 [3].
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.10 Restricted ProSe Application User ID
| Restricted ProSe Application User ID is defined in TS 23.303 [3].
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.11 Announcing PLMN ID
| Announcing PLMN ID is defined in TS 32.277 [22].
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.12 Announcer Info
| Announcer Info is one of the uses of User Info ID as described in clause 5.8.1.8.
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.13 Discoverer Info
| Discoverer Info is one of the uses of User Info ID as described in clause 5.8.1.8.
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.14 Target Info
| Target Info provides information about the targeted discoveree in the Group Member Discovery Solicitation message specified in clause 6.3.2.2.3 and in the 5G ProSe UE-to-Network Relay Discovery Solicitation message specified in clause 6.3.2.3.3. The Target Info is the User Info ID of the discoveree.
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.15 Discoveree Info
| Discoveree Info is one of the uses of User Info ID as described in clause 5.8.1.8.
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.16 Application Layer Group ID
| Application Layer Group ID is defined in TS 23.303 [3].
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.1.17 Monitored PLMN ID
| Monitored PLMN ID is defined in TS 32.277 [22].
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.2 Identifiers for 5G ProSe Direct Communication
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.2.1 General
| Each UE has one or more Layer-2 IDs for 5G ProSe direct communication over PC5 reference point, consisting of:
- Source Layer-2 ID(s); and
- Destination Layer-2 ID(s).
Source and Destination Layer-2 IDs are included in layer-2 frames sent on the layer-2 link of the PC5 reference point identifying the layer-2 source ... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.2.2 Identifiers for broadcast mode 5G ProSe direct communication
| For broadcast mode of 5G ProSe direct communication over PC5 reference point, the UE is configured with the Destination Layer-2 ID(s) to be used for ProSe applications. The Destination Layer-2 ID for a 5G ProSe direct communication is selected based on the configuration as described in clause 5.1.3.1.
The UE self-sele... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.2.3 Identifiers for groupcast mode 5G ProSe direct communication
| For groupcast mode of 5G ProSe direct communication over PC5 reference point, the application layer may provide Application Layer Group ID.
The UE determines a Destination Layer-2 ID as below:
- When the Application Layer Group ID is provided by the application layer,
- and when ProSe Layer-2 Group ID is configured ... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.2.4 Identifiers for unicast mode 5G ProSe direct communication
| For unicast mode of 5G ProSe direct communication over PC5 reference point, the Destination Layer-2 ID used depends on the communication peer. The Layer-2 ID of the communication peer, identified by the peer's Application Layer ID, may be discovered during the establishment of the PC5 unicast link, or known to the UE v... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.3 Identifiers for 5G ProSe UE-to-Network Relay
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.3.1 Common identifiers for 5G ProSe UE-to-Network Relay
| The following parameters are used for the 5G ProSe UE-to-Network Relay Discovery Announcement message (Model A), where Source Layer-2 ID and Destination Layer-2 ID are used for sending and receiving the message and Announcer Info and Relay Service Code are contained in the message:
- Source Layer-2 ID: the 5G ProSe UE... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.3.2 Identifiers for 5G ProSe Layer-3 UE-to-Network Relay
| For 5G ProSe Layer-3 UE-to-Network relay, a Relay Service Code in the Announcement Message is associated with a set of PDU session parameters (e.g. PDU Session type, DNN, SSC Mode, S-NSSAI, Access Type Preference). The Relay Service Code may also represent if the relay UE can provide secure N3IWF connection.
For 5G Pr... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.3.3 Identifiers for 5G ProSe Layer-2 UE-to-Network Relay
| The following parameters may be used in Announcement message (Model A) or Response message (Model B) in addition to the parameters as specified in clause 5.8.3.1:
- NCGI: indicates the NCGI of the serving cell of the 5G ProSe Layer-2 UE-to-Network Relay for 5G ProSe Layer-2 UE-to-Network Relay (re)selection.
- RRC Co... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.4 Identifiers for 5G ProSe UE-to-UE Relay Discovery
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.4.1 General
| The 5G ProSe UE-to-UE Relay Discovery message contains two sets of identifiers, a Direct Discovery set and a UE-to-UE Relay Discovery set.
- The Direct Discovery set of identifiers are part of the contents of the 5G ProSe Direct Discovery message as defined in clause 5.8.1. This set of identifiers provides information... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.4.2 Common identifiers for 5G ProSe UE-to-UE Relay Discovery
| The following parameters are used as UE-to-UE Relay Discovery set of identifiers for the 5G ProSe UE-to-UE Relay Discovery Announcement message (Model A), where Source Layer-2 ID and Destination Layer-2 ID are used for sending and receiving the message and User Info ID and Relay Service Code are contained in the messag... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.5 Identifiers for 5G ProSe UE-to-UE Relay Communication with integrated Discovery
| For the broadcast Direct Communication Request message over the first hop PC5 reference point, the Source Layer-2 ID is self-selected by the source 5G ProSe End UE and the Destination Layer-2 ID is selected based on the configuration as described in clause 5.1.
For the broadcast Direct Communication Request message ov... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.6 Identifiers for 5G ProSe Multi-hop UE-to-UE Relay Discovery
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.6.1 General
| There are two types of discovery mechanisms for the support of 5G ProSe Multi-hop UE-to-UE Relays, i.e. for IP PDU type and for non-IP PDU type (Ethernet or Unstructured). The 5G ProSe End UE and 5G ProSe Multi-hop UE-to-UE Relay choose the discovery mechanism based on the associated indication of the RSC, as defined i... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.6.2 Identifiers for 5G ProSe Multi-hop UE-to-UE Relay discovery of IP PDU type
| The Multi-hop UE-to-UE Relay Discovery Announcement message (Model A) is sent by the relay and contains the following information:
- Source Layer-2 ID: the 5G ProSe Layer-3 Multi-hop UE-to-UE Relay self-selects a Source Layer-2 ID. It is used for the transmitting the message at AS layer and included in the AS layer he... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.8.6.3 Identifiers for 5G ProSe Multi-hop UE-to-UE Relay discovery of non-IP PDU type
| The 5G ProSe UE-to-UE Relay Discovery Announcement message (Model A) is sent by the 5G ProSe Layer-3 Multi-hop UE-to-UE Relay and contains the following parameters for Multi-hop relaying in addition to as described in clause 5.8.4:
- For each user info in the Direct Discovery set:
- Hop count: indicates the number of... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.9 Support for 5G ProSe for UEs in limited service state
| For UE in limited service state, as defined in TS 23.122 [14], 5G ProSe can be used over PC5 reference point with the following considerations.
UEs that are authorized to use 5G ProSe over PC5 reference point according to clause 5.1 shall be able to use the corresponding services following the principles defined in cl... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.10 PC5 operation in EPS for Public Safety UE
| When the UE is in EPS, the UE shall use the valid ProSe policy and parameters provisioned by the ProSe Function in EPC for ProSe Direct Discovery and Prose Direct Communication. If the UE does not have valid ProSe policy and parameters, the UE shall request the network to provision the ProSe policy and parameters.
The... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.11 Communication path selection between PC5 and Uu reference points
| The "communication path selection between PC5 and Uu reference points" refers to the procedure on how a UE selects a communication path between PC5 reference point and Uu reference point before it communicates with another UE. The communication path over PC5 reference point means that the communication with another UE ... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.12 NAS level congestion control for 5G ProSe UE-to-Network Relay
| The 5G ProSe UE-to-Network Relay may be subject to NAS level congestion control, as specified in clause 5.19.7 of TS 23.501 [4].
Both 5G ProSe Layer-2 UE-to-Network Relays and Layer-3 UE-to-Network Relays, when NAS Mobility Management congestion control as specified in clause 5.19.7.2 of TS 23.501 [4] is activated, i.... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.13 Support for PC5 DRX operations
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.13.1 General
| PC5 DRX operations are supported to enable 5G ProSe-enabled UE power saving for the following functions:
- 5G ProSe Direct Discovery;
- Unicast, groupcast and broadcast mode 5G ProSe Direct Communication;
- 5G ProSe UE-to-Network Relay Discovery and 5G ProSe UE-to-Network Relay Communication;
- 5G ProSe UE-to-UE Re... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.13.2 PC5 DRX operations for 5G ProSe Direct Discovery, 5G ProSe UE-to-Network Relay Discovery and 5G ProSe UE-to-UE Relay Discovery
| For 5G ProSe Direct Discovery, 5G ProSe UE-to-Network Relay Discovery and 5G ProSe UE-to-UE Relay Discovery when the UE is "not served by NG-RAN", the UE uses the provisioned default PC5 DRX configuration for PC5 DRX operation as specified in clause 5.1.2.1, clause 5.1.4.1 and clause 5.1.5.1, respectively.
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.13.3 PC5 DRX operations for 5G ProSe Direct Communication, 5G ProSe UE-to-Network Relay Communication and 5G ProSe UE-to-UE Relay Communication
| The ProSe layer determines the respective ProSe services (i.e. ProSe identifiers) and derives the corresponding PC5 QoS parameters based on either the mapping of ProSe services (i.e. ProSe identifiers) to PC5 QoS parameters, or the ProSe Application Requirements for the ProSe services (i.e. ProSe identifiers) provided ... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.14 5G ProSe UE-to-UE Relay Communication
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.14.1 5G ProSe Layer-3 UE-to-UE Relay Communication
| The 5G ProSe Layer-3 UE-to-UE Relay shall provide generic function that can relay any IP, Ethernet or Unstructured traffic.
The 5G ProSe Layer-3 UE-to-UE Relay provides the functionality to support connectivity between 5G ProSe Layer-3 End UEs. A 5G ProSe Layer-3 UE-to-UE Relay and 5G ProSe Layer-3 End UEs can be loca... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.14.2 5G ProSe Layer-2 UE-to-UE Relay Communication
| The 5G ProSe Layer-2 UE-to-UE Relay provides forwarding functionality that can relay any type of traffic over the PC5 link.
The 5G ProSe Layer-2 UE-to-UE Relay provides the functionality to support connectivity between 5G ProSe Layer-2 End UEs. A 5G ProSe Layer-2 UE-to-UE Relay and 5G ProSe Layer-2 End UEs can be loca... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.14.3 5G ProSe Layer-3 Multi-hop UE-to-UE Relay communication
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.14.3.1 General
| Two types of 5G ProSe Layer-3 Multi-hop UE-to-UE Relay communications are supported, i.e. IP based and non-IP based (for Ethernet or Unstructured).
Different RSCs are used for the two types of communications. Different discovery and link management procedures are used.
NOTE: Ethernet or Unstructured traffics between ... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.14.3.2 IP based 5G ProSe Layer-3 Multi-hop UE-to-UE Relay communication
| The RSC configuration as defined in defined in 5.1.5.1 indicates if IP based 5G ProSe Layer-3 Multi-hop UE-to-UE Relay communication is used. The 5G ProSe Multi-hop UE-to-UE Relays supporting the same RSC establish IP based Layer-2 links with each other and form a relay cloud to provide IP connectivity for 5G ProSe End... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.15 Path switching between two UE-to-Network Relays
| If relay reselection has been triggered (see clause 6.5.3), the 5G ProSe Remote UE performs the path switching between two UE-to-Network Relays based on the URSP rules of the 5G ProSe Remote UE traffic handling described in clause 6.5.4, 5G ProSe Policy in clause 5.1.4, or information from application layer (if availab... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.16 Communication path switching between PC5 and Uu reference points
| The "communication path switching between PC5 and Uu reference points" refers to the procedure on how a UE switches between Uu communication path and direct PC5 communication path when it is communicating with another UE as illustrated in Figure 5.16-1. The direct communication path over PC5 reference point means that ... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.17 Multi-path communication via Uu and via 5G ProSe UE-to-Network Relay
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.17.1 General
| Multi-path communication uses one direct network communication path and one indirect network communication path with UE-to-Network Relay as illustrated in Figure 5.17.1-1, where path #1 shows the direct communication path via Uu and path #2 is shows the indirect communication path via 5G ProSe UE-to-Network Relay.
F... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.17.2 Multi-path communication via direct Uu path and via 5G ProSe Layer-3 UE-to-Network Relay
| A 5G ProSe Layer-3 Remote UE may access the network via a 5G ProSe Layer-3 UE-to-Network Relay with or without N3IWF.
When a 5G ProSe Layer-3 Remote UE accesses the network via a 5G ProSe Layer-3 UE-to-Network Relay without N3IWF, the multi-path communication via direct Uu path and via the UE-to-Network Relay may be a... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 5.18 Support of Public Warning Notification Relaying
| As specified in TS 22.268 [33], if UE that is authorised to act as 5G ProSe UE-to-Network Relay receives Public Warning Notification from the network and the UE is configured to perform Public Warning relaying, it shall handle the Public Warning message acting in the role of 5G ProSe UE-to-Network Relay.
The 5G ProSe ... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 6 Functional description and information flows
| |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 6.1 Control and user plane stacks
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 6.1.1 Control Plane
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4d761cc8095b5982244110685dcb04f8 | 23.304 | 6.1.1.1 General
| The control plane stack consists of protocols for controlling:
- 5G ProSe Direct Discovery, specified in clause 6.1.1.2.1, clause 6.1.1.3, clause 6.1.1.4, clause 6.1.1.5 and clause 6.1.1.6;
- 5G ProSe Direct Communication, specified in clause 6.1.1.2.2;
- 5G ProSe UE-to-Network Relay, specified in clause 6.1.1.7;
-... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 6.1.1.2 UE - UE
| |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 6.1.1.2.1 Discovery plane PC5 interface
| The PC5 communication channel is used to carry the discovery messages over PC5 which are differentiated from other PC5 messages by the AS layer.
Figure 6.1.1.2.1-1 depicts a discovery plane for NR PC5 reference point.
Legend:
- PC5-D: The PDCP/RLC/MAC/PHY functionality is specified in TS 38.300 [12].
- The "ProSe... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 6.1.1.2.2 PC5 Signalling Protocol
| The PC5 Signalling Protocol stack specified in clause 6.1.2 of TS 23.287 [2] is used. The protocol used for the control plane signalling over the PC5 reference point for the secure layer-2 link is specified in clauses 6.4.3, 6.5.1 and 6.5.2.
|
4d761cc8095b5982244110685dcb04f8 | 23.304 | 6.1.1.3 UE - 5G DDNMF
|
Legend:
- ProSe Control Signalling between UE and 5G DDNMF is carried over the user plane and using the PC3a protocol as specified in TS 24.554 [23].
NOTE 1: PC3a may be realized with one or more protocols.
NOTE 2: If 5G DDNMF is integrated with ProSe Application Server, 5G DDNMF provides PC3a interface towards ... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 6.1.1.4 5G DDNMF – UDM
| 5G DDNMF uses Nudm interface defined in TS 23.501 [4] to obtain the UE's subscription information for the authorization of the 5G ProSe Direct Discovery requests.
|
4d761cc8095b5982244110685dcb04f8 | 23.304 | 6.1.1.5 5G DDNMF – 5G DDNMF
| The control plane protocol(s) between 5G DDNMFs are defined in TS 29.500 [30].
The 5G DDNMFs uses N5g-ddnmf 5G DDNMF services defined in clause 7.1 to access the services provided by the other 5G DDNMF(s). The 5G DDNMF in HPLMN uses NRF to discover the 5G DDNMFs in VPLMN and Local PLMNs.
|
4d761cc8095b5982244110685dcb04f8 | 23.304 | 6.1.1.6 5G DDNMF – ProSe Application Server
| The 5G System architecture supports the service based Npc2 interface between 5G DDNMF and ProSe Application Server and optionally supports PC2 interface between 5G DDNMF and ProSe Application Server, to enable Proximity Services. See TS 23.501 [4] and TS 23.303 [3].
NOTE: PC2 support between 5G DDNMF and ProSe Applica... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 6.1.1.7 5G ProSe UE-to-Network Relay
| |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 6.1.1.7.1 5G ProSe Layer-3 UE-to-Network Relay
| The UE-UE protocol stacks for discovery and PC5 link management as defined in clause 6.1.1.2 apply to 5G ProSe Remote UE, 5G ProSe Intermediate UE-to-Network Relay and 5G ProSe Layer-3 UE-to-Network Relay. There could be zero, one or multiple 5G ProSe Intermediate UE-to-Network Relay(s) between the 5G ProSe Remote UE a... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 6.1.1.7.2 5G ProSe Layer-2 UE-to-Network Relay
| The UE-UE protocol stacks for discovery and PC5 signalling defined in clause 6.1.1.2 apply to 5G ProSe Remote UE and 5G ProSe Layer-2 UE-to-Network Relay.
Figure 6.1.1.7.2-1 illustrates the protocol stack of the NAS connection for the 5G ProSe Layer-2 Remote UE for NAS-MM and NAS-SM. The NAS messages are transparently... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 6.1.1.8 5G ProSe UE-to-UE Relay
| |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 6.1.1.8.1 5G ProSe Layer-2 UE-to-UE Relay
| Figure 6.1.1.8.1-1 illustrates control plane protocol stacks using a 5G ProSe Layer-2 UE-to-UE Relay. Security is established end-to-end between 5G ProSe End UEs as shown by the PDCP layer terminating in the 5G ProSe End UEs.
Figure 6.1.1.8.1-1: End-to-End Control Plane protocol stacks using a 5G ProSe Layer-2 UE-to... |
4d761cc8095b5982244110685dcb04f8 | 23.304 | 6.1.1.8.2 5G ProSe Layer-3 UE-to-UE Relay
| The control plane protocol stack of the PC5 unicast link between 5G ProSe End UEs and 5G ProSe Layer-3 UE-to-UE Relay reuses the PC5-S protocol stack defined in clause 6.1.1.2.
|
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