Energy Efficient Hybrid ARQ Scheme under Error Constraints
Wireless Personal Communications: An International Journal
MiSer: an optimal low-energy transmission strategy for IEEE 802.11a/h
Proceedings of the 9th annual international conference on Mobile computing and networking
Interference analysis and transmit power control in IEEE 802.11a/h wireless LANs
IEEE/ACM Transactions on Networking (TON)
Energy-conservation in 802.11 WLANs via transmission-strategy-aware airtime allocation
Computer Networks: The International Journal of Computer and Telecommunications Networking
Energy-efficient airtime allocation in multi-rate multi-power-level wireless LANs
The Fourth International Conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness & Workshops
Cross-layer design optimizations in wireless protocol stacks
Computer Communications
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Mobile communications, such as handhelds and laptops, still suffer from short operation time due to limited battery capacity. We exploit the approach of protocol harmonization to extend the time between battery charges in mobile devices using an IEEE 802.11 network interface. Many known energy saving mechanisms only concentrate on a single protocol layer while others only optimize the receiving phase by on/off switching. We show, that energy saving is also possible during the sending process. This is achieved by a combined tuning of the data link control and physical layer. In particular, harmonized operation of power control and medium access control will lead to reduction of energy consumption. We show a RF power and medium access control trade-off. Furthermore we discuss applications of the results in IEEE 802.11 networks.