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GreenAP: An Energy-Saving Protocol for Mobile Access Points
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NETL
Springer Nature
With the rapid advancement of the information age， an increasing number of people have started using Wi-Fi tethering， which can turn their mobile phones into mobile access points (APs) to meet their networking needs anywhere。 However， the existing energy-saving mechanisms in IEEE 802。11 mainly aim at stations (STAs) and rarely consider APs。 To solve the problem of mobile APs' high energy consumption， we propose an energy-saving protocol for mobile APs， called GreenAP。 On the one hand， the protocol is compatible with the original IEEE 802。11 standard。 On the other hand， the adaptive strategy in the protocol ensures that the energy consumption of the AP is reduced without affecting the user experience。 The energy-saving AP protocol is implemented in NS-2。 The experimental results show that GreenAP-3 can enable APs' sleep duration up to 74。7% when the traffic intensity is low， and the energy consumption can be reduced by 64。6% with small packet delay。 In the case of high traffic intensity， the protocol can ensure less packet delay by adaptively adjusting APs' sleep time， which guarantees that the user experience is not affected under any circumstances。
NETL
Springer Nature
