Abstract
Type-II Hybrid-ARQ (Type-II HARQ) has been shown, under certain circumstances, to increase the efficiency and reduce loss of data transmissions over a wireless channel. However, it is difficult to predict how it will perform when transmission symbol errors are correlated. We present a computationally efficient approach to the performance evaluation of packet transmissions over a wireless link employing Type-II HARQ error mitigation when the physical channel is subject to correlated transmission symbol errors, This provides a tool for static or online optimization of system parameters. We present numerical results for a wide range of channel statistics, illustrating the effect of bit error correlation, bit error rate, and block size on packet latency and loss rate.
| Original language | English |
|---|---|
| Pages (from-to) | 7-16 |
| Journal | Wireless Networks |
| Volume | 10 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Jan 2004 |
| Externally published | Yes |
Research Keywords
- Correlated error channels
- Incremental redundancy
- Packet transmission latency and loss
- Type-II Hybrid ARQ
- Wireless data networks
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