比较无线自组织网络的自适应功率和自适应速率mac

2006 IFIP International Conference on Wireless and Optical Communications Networks Pub Date : 2006-08-07 DOI:10.1109/WOCN.2006.1666561

S. Bassam, M.E.K. Khaandani

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引用次数: 3

摘要

设计MAC协议有两种方法:自适应功率MAC和自适应速率MAC。在自适应功率mac中，传输功率随节点距离的变化而变化，以降低能耗。在自适应速率mac中，通过改变传输速率来提高吞吐量。最近的自适应功率协议建议改变传输功率，使RTS/CTS握手以最大功率完成，而数据- ack以最小必要的传输功率级别传输。还建议在数据传输过程中定期使用最大传输功率(PCM MAC)。在本文中，我们表明，尽管自适应速率mac被设计为提高吞吐量，但它们也比具有最大RTS-CTS功率的自适应功率mac更节能

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Comparing adaptive-power and adaptive-rate MACs for wireless ad-hoc networks

There are two approaches in designing MAC protocols: adaptive-power and adaptive-rate MACs. In adaptive-power MACs transmission power is changed upon nodes' distance in order to reduce energy consumption. In adaptive-rate MACs transmission rate is changed in order to improve throughput. Recent adaptive-power protocols suggest varying the transmission power such that the RTS/CTS handshake is done at the maximum and the data-ACK are transmitted at the minimum necessary transmission power level. It has also been suggested to periodically use maximum transmission power during data transmission (PCM MAC). In this paper we show that although adaptive-rate MACs are designed to increase throughput but they are also more power-efficient than adaptive-power MACs with maximum RTS-CTS power

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2006 IFIP International Conference on Wireless and Optical Communications Networks

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