Journal of Computer Networks and Communications / 2010 / Article / Tab 11

Research Article

Capacity Evaluation for IEEE 802.16e Mobile WiMAX

Table 11

Example of capacity evaluation using an enhanced scheduler.

Parameters Mobile TV VoIP Data (Web)

MAC SDU size with header (bytes) 984.5 21.0 1,208.2
Data rate (kbps) with upper layer headers 350.4 2.8 14.6
Deadline (millisecond) 10 60 250

(a) DL
 Bytes/5  millisecond frame per user (DL) 437.9 42.0 454.9
 Number of fragmentation subheaders 1 0 1
 Number of packing subheaders 0 2 0
 DL data slots per user with MAC header + packing and fragmentation subheaders 75 9 78
 Total slots per user 83 25 94
  (Data + DL-MAP IE + UL-MAP IE)
 Number of users (DL) 10 269 233

(b) UL
 Bytes/5  millisecond frame per user (UL) 0.0 42.0 2.9
 Number of fragmentation subheaders 1 0 1
 Number of packing subheaders 0 2 0
 UL data slots per user with MAC header + packing and fragmentation subheaders 0 9 2
 Number of users (UL) 8 228 4350
 Net number of users (min of UL and DL) 10 228 233
 Number of users with silence suppression10456233