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TR 23.720SA2
Study on Architecture enhancements
for Cellular Internet of Things

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V13.0.0 (Wzip)  2016/03  94 p.

WI Acronym:  FS_AE_CIoT
Rapporteur:  Mr. Jain, PuneetIntel Corporation (UK) Ltd

The present document studies and evaluates the architecture enhancement to support ultra-low complexity, power constrained, and low data-rate 'Internet of Things' devices.

full Table of Contents for  TR 23.720  Word version:   13.0.0

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1  ScopeWord-p. 8
2  References
3  Definitions and abbreviationsWord-p. 9
4  Architectural Considerations and Assumptions
5  Key Issues
6  Solutions
6.1  Solution 1: Lightweight CN architecture for CIoT
6.2  Solution 2: Infrequent small data transmission using pre-established NAS security
6.3  Solution 3: Connectionless small data transmission with immediate return to idleUp
6.4  Solution 4: Non-IP small data transmission via MTC-IWF
6.4a  Solution 4a: non-IP small data transmission via SCEFWord-p. 32
6.4b  Solution 4b: Non-IP small data transmission via SCEF with minimized load to HSS
6.5  Solution 5: UE state transition signalling reductionWord-p. 36
6.6  Solution 6: User plane based solution with enhanced ECM-CONNECTED state
6.7  Solution 7: Paging for static and dynamic coverage enhancement (CE) levelWord-p. 51
6.8  Solution 8: Cell based paging area update for efficient paging area management
6.9  Solution 9: UE provided indication for selection of CIoT-EPC DCN or EPC DCNUp
6.10  Solution 10: Support for "non IP" PDN typesWord-p. 56
6.11  Solution 11: SMS over PS without combined attach and default PDN connection
6.12  Solution 12: Solution on simplification of MM and SM procedures
6.13  Solution 13: RRC FastConnect for Service RequestUp
6.14  Solution 14: Setup of CIoT PDN connection with minimum NAS
6.15  Solution 15: Support for "non IP" small data by UDP/IP encapsulation over SGi
6.16  Solution 16: Optimised SMS over PS without combined attach and default PDN connectionUp
6.17  Solution 17: Optimized SMS relay for CIoTWord-p. 76
6.18  Solution 18: User plane based solution with AS information stored in RAN
6.19  Solution 19: Header compression at C-SGN
7  Overall Evaluation
8  Conclusions
A  Change historyWord-p. 94

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