Download Huawei CS Fallback(CSFB) Solution vTraining.pdf PDF

TitleHuawei CS Fallback(CSFB) Solution vTraining.pdf
TagsLte (Telecommunication) 4 G 3 G Ip Multimedia Subsystem Receiver (Radio)
File Size3.2 MB
Total Pages41
Document Text Contents
Page 40

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 40

Call Setup Time Reference for CSFB Proxy (R8)

6.06 s

11.82 s

14.23 s

4.85 s

7.07 s

9.46 s

2G calls 2G, no fallback

4G calls 2G, fallback to 2G

4G calls 4G, fallback to 2G

3G calls 3G, no fallback

4G calls 3G, fallback to 3G

4G calls 4G, fallback to 3G

5.76

8.17

2.22

4.61

Reusing

2G

Reusing

3G

Source from Huawei lab under conditions: 3GPP Rel8 redirection, CSMT, etc.

Deployment Procedure Performance

Evaluation required for commercial launch

Note:

The latency information contained in this document depends
on end-to-end network conditions with necessary optimization,
and it should NOT represent any commitment.

Page 41

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 41

Call Setup Time Reference for CSFB Proxy (R9)

6.06 s

9.82 s

10.23 s

4.85 s

6.69 s

9.08 s

2G calls 2G, no fallback

4G calls 2G, fallback to 2G

4G calls 4G, fallback to 2G

3G calls 3G, no fallback

4G calls 3G, fallback to 3G

4G calls 4G, fallback to 3G

3.76

4.17

1.84

4.23

Reusing

2G

Reusing

3G

Source from Huawei lab under conditions: 3GPP Rel9 redirection, CSMT, etc.

Deployment Procedure Performance

Note:

The latency information contained in this document depends
on end-to-end network conditions with necessary optimization,
and it should NOT represent any commitment.

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