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Content for TR 26.947 Word version: 18.0.0

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2 References p. 8

3 Definitions, symbols and abbreviations p. 8

3.1 Definitions p. 8

3.2 Abbreviations p. 9

4 Use of FEC in MBMS p. 9

4.1 Introduction p. 9

4.2 Architecture p. 9

4.3 MBMS Bearer in UTRAN p. 10

4.4 MBMS Bearer in E-UTRAN p. 10

4.5 Streaming Delivery User Service p. 10

4.5.1 Introduction p. 10

4.5.2 Transport in streaming delivery service p. 11

4.5.3 Examples p. 12

4.6 Download Delivery User Service p. 12

4.6.1 Introduction p. 12

4.6.2 Transport in download delivery service p. 12

4.6.3 Download Examples p. 13

4.7 Streaming using DASH and Download Delivery User Service p. 13

5 MBMS Bearer Service Channel Modelling p. 14

5.1 Introduction p. 14

5.2 Modelling of UTRAN MBMS Bearer p. 14

5.3 Modelling of E-UTRAN MBMS Bearer p. 14

6 FEC Evaluation Procedure p. 18

6.1 Introduction p. 18

6.2 Simulation Conditions p. 18

6.2.1 Simulation conditions and assumptions (UTRAN) p. 18

6.2.2 Simulation conditions and assumptions (LTE eMBMS) p. 19

6.3 Code Performance p. 20

6.3.1 Introduction p. 20

6.3.2 Method 1 p. 20

6.3.2.1 Evaluation Procedure p. 20

6.3.2.2 Test Cases p. 22

6.3.2.3 Performance Metrics p. 22

6.3.3 Method 2 p. 23

6.3.3.1 Evaluation Procedure p. 23

6.3.3.2 Test Cases p. 23

6.3.3.3 Performance Metrics p. 24

6.4 Download Performance p. 25

6.4.1 Performance Metrics p. 25

6.4.2 Download Performance over UTRAN p. 25

6.4.3 Download Performance over LTE p. 26

6.5 UTRAN Streaming Performance p. 29

6.6 Streaming Performance over LTE p. 29

6.6a Implementation-specific Performance Metrics p. 32

6.7 Device-based Complexity Evaluation p. 32

6.7.1 Introduction p. 32

6.7.2 Test Cases p. 32

6.7.3 Test Conditions & Test Procedure p. 33

6.7.3.1 Overview Test Platform and Operation Conditions p. 33

6.7.3.2 Download Delivery p. 34

6.7.3.2.1 Summary Test Cases p. 34

6.7.3.2.2 Generate FLUTE Packet Test Streams p. 35

6.7.3.2.3 Generate Erroneous Packet Streams p. 35

6.7.3.2.4 Generate Device Performance Measures p. 37

6.7.3.2.5 Evaluation p. 39

6.7.3.3 Streaming Delivery p. 41

6.7.3.3.1 Summary Test Cases p. 41

6.7.3.3.2 Generate FLUTE Packet Test Streams p. 42

6.7.3.3.3 Generate Erroneous Packet Streams p. 43

6.7.3.3.4 Generate Device Performance Measures p. 45

6.7.3.3.5 Evaluation p. 47

6.7.4 Tools p. 48

6.7.5 Verification Process p. 49

7 FEC Candidates p. 49

7.1 Introduction p. 49

7.2 Benchmark Codes p. 49

7.2.1 Ideal Code p. 49

7.2.2 MBMS FEC RFC 5053 p. 49

7.3 RS+LDPC p. 49

7.4 Supercharged Codes p. 49

7.5 6330 Code p. 50

8 Performance of FEC Codes p. 50

8.1 Benchmark Codes: Ideal Code and RFC 5053 p. 50

8.2 Candidate Results p. 52

8.3 Verification p. 52

8.3.0 Introduction p. 52

8.3.1 Verification of RS+LDPC Code p. 52

8.3.2 Verification of 6330 Code p. 52

8.3.3 Verification of Supercharged Code p. 52

9 Other FEC Enhancements p. 52

9.1 Introduction p. 52

9.2 Graceful Degradation (GD) - FEC p. 53

9.2.1 Introduction p. 53

9.2.2 GD-FEC Operations and Requirements p. 53

9.2.3 GD-FEC Encoding/Decoding Examples p. 53

9.2.4 Conclusion on GD-FEC p. 55

10 Conclusions p. 55

A Simulation Conditions p. 56

A.1 Simulation Procedure for download delivery p. 56

A.2 Simulation Procedure for streaming delivery p. 56

B Tools for device-based evaluation p. 58

B.1 Split file into segments and generate MD5 p. 58

B.2 Generate Markov Traces p. 58

B.3 Root access for Galaxy S2 p. 59

B.4 Time Command on Android Device p. 60

B.5 USB tethering of Android Devices p. 60

B.5.1 Requirements p. 60

B.5.2 Enable USB tethering on Android p. 60

B.5.3 Network structure p. 60

B.6 Play a PCAP p. 61

B.6.1 Windows p. 61

B.6.2 Unix & Win32/Cygwin p. 61

B.7 Android SSH server p. 61

B.8 Verify Segment Decoding p. 61

$ Change history p. 62