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Content for TR 37.868 Word version: 11.0.0

1… 2…

2 References

3 Definitions, symbols and abbreviations

3.1 Definitions

3.2 Symbols Word‑p. 7

3.3 Abbreviations

4 Example use cases

4.1 Metering

4.2 Road Security

4.3 Consumer electronic and devices Word‑p. 8

5 Description of envisioned RAN Improvements for Machine Type Communication

5.1 RAN overload control

5.1.1 Access Class Barring schemes

5.1.1.1 UE individual Access Class Barring Scaling

5.1.1.2 Extended Access Barring Word‑p. 9

5.1.2 Separate RACH resources for MTC

5.1.2.1 Solution for LTE

5.1.2.2 Solution for UMTS

5.1.3 Dynamic allocation of RACH resources

5.1.4 MTC Specific Backoff scheme

5.1.5 Slotted access

5.1.6 Pull based scheme

5.2 [ Other improvement areas ] Word‑p. 10

5.2.1 Solution for LTE

5.2.2 Solution for UMTS

6 Simulation assumptions and results

6.1 Traffic model

6.1.1 Time limited Beta distribution

6.2 Methodology Word‑p. 11

6.2.1 Simulator methodology

6.2.1.1 Protocol level simulator methodology

6.2.1.2 Impacts on/from H2H traffic

6.2.1.3 Statistics collection

6.2.2 Simulation assumptions

6.2.2.1 Simulation parameters for RACH capacity evaluation

6.2.2.2 Handling of collision Word‑p. 13

6.2.2.3 Processing latency

6.3 Output for analysis

6.3.1 Measures for RACH capacity evaluation

6.4 Simulation results Word‑p. 14

6.4.1 Simulation results for RACH capacity

6.4.1.1 LTE FDD

6.4.1.2 LTE TDD Word‑p. 15

6.4.1.3 UMTS FDD

6.4.1.4 UMTS 1.28Mcps TDD Word‑p. 16

7 Conclusion

A Traffic model for Machine-Type Communications Word‑p. 17

B Load Analysis for MTC Word‑p. 18

B.1 Example RACH Load Analysis for Smart Electric Metering Application

B.2 Example RACH Load Analysis for Fleet Management Application Word‑p. 21

B.3 Example RACH Load Analysis for Earthquake Monitoring Application Word‑p. 22

B.4 Preliminary RACH Load Analysis for HSPA and LTE Word‑p. 23

$ Change history Word‑p. 28