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A dynamic and autonomous channel selection strategy for interference avoidance in 802.11

机译：动态和自主的信道选择策略，用于避免802.11中的干扰

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摘要

The coexistence of different technologies within the same spectrum swaths, as well as the distributed, non-coordinated channel assignment for WLANs is becoming not only an important research topic, but also a matter of sustainability for the trend we witness in moving all last-hop communications on wireless links to unleash the users from their wires and tethers. This work proposes, implements and evaluates a strategy that allows an entire 802.11 Basic Service Set (BSS) to dynamically hop between the available channels always selecting the “best” one. The selection not only guarantees the hopping BSS performances well above what can be achieved with a static selection, but it also minimizes the interference toward other BSSs, so that the overall performance of the system maximizes resource utilization. The performance of the protocol and strategy we propose is tested with an implementation on off-the-shelf 802.11g cards; the experiments are run in labs and around the campus of the University of Trento.
机译：同一频谱范围内不同技术的共存，以及WLAN的分布式，非协调信道分配，不仅成为重要的研究课题，而且对于我们在移动所有最后一跳时所看到的趋势，也成为可持续性的问题无线链路上的通信可释放用户的电线和绳索。这项工作提出，实施和评估一种策略，该策略允许整个802.11基本服务集（BSS）在总是选择“最佳”信道的可用信道之间动态跳变。该选择不仅保证跳频BSS性能远高于静态选择所能达到的性能，而且还使对其他BSS的干扰最小化，从而使系统的整体性能最大程度地提高了资源利用率。我们建议的协议和策略的性能已通过现成的802.11g卡上的实现进行了测试;实验在特伦托大学的实验室和实验室中进行。

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