| Publisher | Carnegie Mellon University | ||
|---|---|---|---|
| Format | 274.4KB PDF | Date added | 16 Jul 2004 |
| Topics | Local Area Networks (LAN), Wireless LAN, Wireless | ||
| Downloads | 36 | ||
Wireless links can exhibit high error rates due to attenuation, fading, or interfering active radiation sources. To make matters worse, error rates can be highly variable due to changes in the wireless environment. Researchers and developers have explored a wide range of solutions to optimize communication in this difficult error environment, including traditional end-to-end solutions, link-layer solutions, and solutions involving layer four processing inside the network. A significant challenge is ensuring that systems with multiple layers of error control avoid compromising performance by duplication of effort. This paper argues and demonstrates that protocol-independent link-level local error control can achieve high communication efficiency even in a highly variable error environment, that adaptation is important to achieve this efficiency, and that inter-layer coexistence is achievable.
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