Research Article
ARQ-Aware Scheduling and Link Adaptation for Video Transmission over Mobile Broadband Networks
Table 4
Mobile WiMAX simulator parameters.
| Parameter | Value |
| OFDMA | Carrier frequency | 2.3 GHz | Channel bandwidth | 10 MHz | FFT length | 1024 | Subcarrier frequency spacing | 10.94 kHz | Frame length | 5 ms (48 OFDMA symbols) | Guard interval | 1/8 | DL subcarrier permutation scheme | PUSC DL | Number of active DL subcarriers | 840 | Number of subchannels | 30 DL/35 UL | Data subcarriers per subchannel | 24 | OFDMA data symbols | 22 DL/15 UL | DL capacity | 330 slots | DL/UL ratio | 60/40 |
| MAC | MAC SDU size | 815 bytes | ARQ block size | 32 bytes | MAC PDU size | max 200 bytes | PDU packing | No | SDU fragmentation | Yes | QoS scheduling | UGS | Block rearrangement | No | ARQ feedback type | Selective-ACK | ARQ retry timeout | 4 frames | ARQ block lifetime | 0–90 ms | Max no. retransmissions | 4 | ARQ_DELIVER_IN_ORDER | Yes |
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