Content for TR 36.746 Word version: 15.1.1
2 References
3 Definitions, symbols and abbreviations
4 Scenarios and requirements
5 Technical support for LTE device to device, UE-to- Network relays for IoT and wearables
6 Evaluation results
7 Conclusions
A Evaluation methodology
$ Change History
2 References
3 Definitions, symbols and abbreviations Word‑p. 6
4 Scenarios and requirements
4.1 Assumptions
4.2 Requirements Word‑p. 7
4.2.1 Relaying solution requirements
4.2.1.1 Requirement 1 - Visibility and reachability
4.2.1.2 Requirement 2 - Traffic differentiation
4.2.1.3 Requirement 3 - Power consumption
4.2.1.4 Requirement 4 - Device complexity
4.2.1.5 Requirement 5 - Efficient signalling
4.2.1.6 Requirement 6 - Traffic types Word‑p. 8
4.2.1.7 Requirement 7 - Co-existence with Rel-12/13 Public Safety UEs
4.2.1.8 Requirement 8 - Service continuity
4.2.1.9 Requirement 9 - Data security
4.2.1.10 Requirement 10 - Common relay architecture
4.2.1.11 Requirement 11 - QoS support
4.3 Scenarios
5 Technical support for LTE device to device, UE-to- Network relays for IoT and wearables Word‑p. 10
5.1 Layer 2 evolved UE-to-Network relay solution
5.1.1 Architecture
5.1.2 Protocol enhancements Word‑p. 12
5.1.2.1 Discovery and connection establishment procedure
5.1.2.2 Paging for evolved ProSe Remote UE
5.1.2.3 System information reception for evolved ProSe Remote UE Word‑p. 15
5.1.2.4 Group mobility of evolved ProSe UE-to-Network Relay UE and evolved ProSe Remote UEs Word‑p. 16
5.1.2.4.1 Group handover command
5.1.2.4.2 Group handover response Word‑p. 17
5.1.2.4.3 Group handover in-network
5.1.2.4.4 Combined approaches Word‑p. 20
5.1.2.5 Path switch
5.1.2.5.1 Path switch scenarios
5.1.2.5.2 Solutions for Scenario 1 Word‑p. 21
5.1.2.5.3 Solutions for Scenario 2 Word‑p. 23
5.1.2.6 Access control Word‑p. 26
5.2 LTE sidelink enhancements
6 Evaluation results
6.1 Common Evaluation Assumptions Word‑p. 34
6.2 Discovery Analysis
6.2.1 Scenario 1 - Wearable Centric
6.2.2 Scenario 2 - IoT Centric Word‑p. 36
6.2.3 Observations on Discovery Evaluations Word‑p. 38
6.3 Communication Analysis
6.3.1 Scenario 1 - Wearable Centric
6.3.1.1 DL Direction, M = 2 Word‑p. 40
6.3.1.2 UL Direction, M = 2 Word‑p. 41
6.3.1.3 DL Direction, M = 8 Word‑p. 42
6.3.1.4 UL Direction, M = 8
6.3.2 Scenario 2 - IoT Centric Word‑p. 43
6.3.2.1 DL Direction, N = 20 Word‑p. 45
6.3.2.2 UL Direction, N = 20 Word‑p. 46
6.3.2.3 DL Direction, N = 40 Word‑p. 47
6.3.2.4 UL Direction, N = 40
6.3.3 Analysis of 1 PRB Bandwidth Limited UEs Word‑p. 48
6.3.4 Observations on Sidelink Communication Evaluations Word‑p. 50
7 Conclusions Word‑p. 51
A Evaluation methodology Word‑p. 52
$ Change History Word‑p. 55
