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 suppression	10	456	233