Research Article
Capacity Evaluation for IEEE 802.16e Mobile WiMAX
Table 8
Summary of workload characteristics.
| Parameters | Mobile TV | VoIP | Data (Web) |
| Types of transport layer | RTP | RTP | TCP | Average packet size (bytes) | 983.5 | 20.0 | 1,200.2 | Average data rate (kbps) w/o headers | 350.0 | 5.3 | 14.5 | traffic ratio | 0 | 1 | 0.006 | Silence suppression (VoIP only) | N/A | Yes | N/A | Fraction of time user is active | | 0.5 | | ROHC packet type | 1 | 1 | TCP | Overhead with ROHC (bytes) | 1 | 1 | 8 | Payload Header Suppression (PHS) | No | No | No | MAC SDU size with header | 984.5 | 21.0 | 1,208.2 | Data rate (kbps) after headers | 350.4 | 5.6 | 14.6 | Bytes/frame per user (DL) | 219.0 | 3.5 | 9.1 | Bytes/frame per user (UL) | 0.0 | 3.5 | 0.1 |
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