Minimizing energy for wireless web access with bounded slowdown
Proceedings of the 8th annual international conference on Mobile computing and networking
Wake on wireless: an event driven energy saving strategy for battery operated devices
Proceedings of the 8th annual international conference on Mobile computing and networking
Application-specific Network Management for Energy-Aware Streaming of Popular Multimedia Formats
ATEC '02 Proceedings of the General Track of the annual conference on USENIX Annual Technical Conference
A Behavioral Model of Web Traffic
ICNP '99 Proceedings of the Seventh Annual International Conference on Network Protocols
Self-tuning wireless network power management
Proceedings of the 9th annual international conference on Mobile computing and networking
Efficient and transparent dynamic content updates for mobile clients
Proceedings of the 4th international conference on Mobile systems, applications and services
Energy efficient schedulers in wireless networks: design and optimization
Mobile Networks and Applications
Robust rate adaptation for 802.11 wireless networks
Proceedings of the 12th annual international conference on Mobile computing and networking
Context-for-wireless: context-sensitive energy-efficient wireless data transfer
Proceedings of the 5th international conference on Mobile systems, applications and services
Wireless wakeups revisited: energy management for voip over wi-fi smartphones
Proceedings of the 5th international conference on Mobile systems, applications and services
Micro power management of active 802.11 interfaces
Proceedings of the 6th international conference on Mobile systems, applications, and services
Blue-Fi: enhancing Wi-Fi performance using bluetooth signals
Proceedings of the 7th international conference on Mobile systems, applications, and services
A Novel Scheduled Power Saving Mechanism for 802.11 Wireless LANs
IEEE Transactions on Mobile Computing
A power-saving scheduling for infrastructure-mode 802.11 wireless LANs
Computer Communications
Analysis of the impact of background traffic on the performance of 802.11 power saving mechanism
IEEE Communications Letters
Centralized PSM: an AP-centric power saving mode for 802.11 infrastructure networks
SARNOFF'09 Proceedings of the 32nd international conference on Sarnoff symposium
A location-based management system for enterprise wireless LANs
NSDI'07 Proceedings of the 4th USENIX conference on Networked systems design & implementation
CasCap: cloud-assisted context-aware power management for mobile devices
MCS '11 Proceedings of the second international workshop on Mobile cloud computing and services
Avoiding the rush hours: WiFi energy management via traffic isolation
MobiSys '11 Proceedings of the 9th international conference on Mobile systems, applications, and services
SiFi: exploiting VoIP silence for WiFi energy savings insmart phones
Proceedings of the 13th international conference on Ubiquitous computing
E-MiLi: energy-minimizing idle listening in wireless networks
MobiCom '11 Proceedings of the 17th annual international conference on Mobile computing and networking
BlueStreaming: towards power-efficient internet P2P streaming to mobile devices
MM '11 Proceedings of the 19th ACM international conference on Multimedia
Snooze: energy management in 802.11n WLANs
Proceedings of the Seventh COnference on emerging Networking EXperiments and Technologies
DozyAP: power-efficient Wi-Fi tethering
Proceedings of the 10th international conference on Mobile systems, applications, and services
Greening wireless communications: Status and future directions
Computer Communications
SAPSM: Smart adaptive 802.11 PSM for smartphones
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
Energy consumption anatomy of 802.11 devices and its implication on modeling and design
Proceedings of the 8th international conference on Emerging networking experiments and technologies
A power-aware distributed Wi-Fi access point scheduling algorithm
Proceedings of the 7th International Conference on Ubiquitous Information Management and Communication
SloMo: downclockingWiFi communication
nsdi'13 Proceedings of the 10th USENIX conference on Networked Systems Design and Implementation
Model-driven energy-aware rate adaptation
Proceedings of the fourteenth ACM international symposium on Mobile ad hoc networking and computing
Information Systems Frontiers
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WiFi radios in smart-phones consume a significant amount of power when active. The 802.11 standard allows these devices to save power through an energy-conserving Power Save Mode (PSM). However, depending on the PSM implementation strategies used by the clients/Access Points (APs), we find competing background traffic results in one or more of the following negative consequences: a significant increase, up to 300%, in a client's energy consumption, a decrease in wireless network capacity due to unnecessary retransmissions, and unfairness. In this paper, we propose NAPman: Network-Assisted Power Management for WiFi devices that addresses the above issues. NAPman leverages AP virtualization and a new energy-aware fair scheduling algorithm to minimize client energy consumption and unnecessary retransmissions, while ensuring fairness among competing traffic. NAPman is incrementally deployable via software updates to the AP and does not require any changes to the 802.11 protocol or the mobile clients. Our prototype implementation improves the energy savings on a smart-phone by up to 70% under varied settings of background traffic, while ensuring fairness.