Journal of Computer Networks and Communications / 2010 / Article / Tab 10

Research Article

Capacity Evaluation for IEEE 802.16e Mobile WiMAX

Table 10

Example of capacity evaluation using a simple 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 5.6 14.6

(a) DL
 Bytes/5  millisecond frame per user (DL) 219.0 3.5 9.1
  Number of fragmentation subheaders 1 1 1
 Number of packing subheaders 0 0 0
 DL data slots per user with MAC header + packing and fragmentation subheaders 38 2 3
 Total slots per user 46 18 19
  (Data + DL-MAP IE + UL-MAP IE)
 Number of users (DL) 9 35 33

(b) UL
  Bytes/5  millisecond frame per user (UL) 0.0 3.5 0.1
 number of fragmentation subheaders 0 1 1
 number of packing subheaders 0 0 0
 UL data slots per user with MAC header + packing and fragmentation subheaders 0 2 2
 Number of users (UL) 8 87 87
 Number of users (min of UL and DL) 9 35 33
 Number of users with silence suppression 9 70 33