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Content for  TS 22.104  Word version:  17.3.0

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7  ProSe communication for cyber-physical control applications |R17|Word‑p. 26
7.1  Description
This section lists the requirements applicable to the 5G system for supporting cyber-physical control applications using wireless direct communication (ProSe communication).
7.2  Requirements
7.2.1  General
The 5G system shall allow UEs to use ProSe communication when the UEs are not served by a RAN.
The 5G system shall be able to support ProSe communication between UEs in close proximity using spectrum different than the spectrum being used for the 5GC-based communication.
The 5G system shall be able to support ProSe communication for 5G LAN-type private communication.
The 5G system shall be able to support multicast communication between the UEs within the group of UEs connected by ProSe communication.
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7.2.2  Network performance
The 5G system shall be able to support direct wireless communication (ProSe) between a group of UEs for periodic deterministic communication (both unicast and multicast) with respective service performance requirements in Table 5.2-1 (related to cooperative carrying).
The 5G system shall be able to support mobility of the group of UEs connected by ProSe communication with respective service performance requirements in Table 5.2-1 (related to cooperative carrying).
The 5G system shall be able to support ProSe communication with respective service performance requirements in Table 5.2-1 (related to cooperative carrying) between UEs up to 50 m distance.
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7.2.3  Clock synchronizationWord‑p. 27
The 5G system shall be able to support time synchronization (working clock domain) between the UEs within the group of UEs connected by ProSe communication.
7.2.4  Service Continuity
The 5G system shall be able to support service continuity of a group of UEs using ProSe communication with respective service performance requirements in Table 5.2-1 (related to cooperative carrying) when the group moves between a non-public network and a PLMN (subject to operator policies and agreement between the operators and service providers).
7.2.5  Indirect communication
The 5G system shall be able to support indirect 3GPP communication with respective service performance requirements in Table 5.2-1 (related to cooperative carrying) between UEs out of transmission range by one intermediate UE.
The 5G system shall be able to provide service to an out-of-coverage UE via indirect communication while meeting the performance requirements specified for the process automation use cases in Table 5.2-1 (related to Annex A.2.3.2 and A.2.3.3).
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