On the Effects of Transmit Power Control on the Energy Consumption of WiFi Network Cards

Piazza, Francesco; Mangione, Stefano; Tinnirello, Ilenia

doi:10.1007/978-3-642-10625-5_29

Cited by 7 publications

(2 citation statements)

References 9 publications

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“…Consequently, reducing the transmission power level to minimize energy consumption in the transmitter does not yield substantial practical benefits, as the conserved energy constitutes a negligible fraction of the total energy consumed [23]- [25]. Therefore, 𝑑 𝑖,𝐹 𝑖 𝑟,𝑝 𝑡𝑥 is simplified to where the forwarder set 𝐹 𝑖 is prioritized based on their cost to the destination.…”

Section: B Cost Of the Multi-rate And Multi-power Hyperpath From Node...mentioning

confidence: 99%

Energy-Efficient Multi-Rate Opportunistic Routing in Wireless Mesh Networks

Khah,

Moghim,

Gholami

et al. 2023

IEEE Access

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Opportunistic or anypath routing protocols are focused on improving the performance of traditional routing in wireless mesh networks. They do so by leveraging the broadcast nature of the wireless medium and the spatial diversity of the network. Using a set of neighboring nodes, instead of a single specific node, as the next hop forwarder is a crucial aspect of opportunistic routing protocols, and the selection of the forwarder set plays a vital role in their performance. However, most opportunistic routing protocols consider a single transmission rate and power for the nodes, which limits their potential. To address this limitation, this paper proposes a multi-rate and multi-power opportunistic routing protocol called Energy-efficient Multirate Opportunistic Routing (EMOR). EMOR considers multiple transmission rates and power for each node, and in addition to selecting the forwarder set, it should select the transmission rate and power to reach this set in each node. Using different transmission rates and power levels can enhance EMOR's ability to effectively utilize the spatial diversity of the network. To prioritize the forwarder set, EMOR uses a transmission energy-based routing metric called Expected Opportunistic Transmission Energy (EOTE). EMOR also employs a distributed polynomial algorithm, Multi-rate Multi-power Opportunistic Bellman-Ford (MMOBF), to select the forwarder set, transmission rate, and transmission power in each node, minimizing the cost from the node to the destinations. The simulation results show that EMOR significantly outperforms the multi-rate opportunistic routing and multi-power opportunistic routing in terms of performance metrics such as packet delivery ratio, delay, and energy consumption.

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Section: B Cost Of the Multi-rate And Multi-power Hyperpath From Node...mentioning

confidence: 99%

Energy-Efficient Multi-Rate Opportunistic Routing in Wireless Mesh Networks

Khah,

Moghim,

Gholami

et al. 2023

IEEE Access

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“…The router's hardware and/or driver does not support individual control of the transmit and receive radios, so we estimate that the transmit power is 60% of total radio power [9], [10]. Transition from an active state to idle and back to active is instantaneous since no change in hardware state is required and any pending packets can be transmitted immediately.…”

Section: B Characteristics Of a Home Routermentioning

confidence: 99%

Towards eco-friendly home networking

Gibbens

Gniady

Zhang

2016

Sustainable Computing: Informatics and Systems

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Home networking is becoming increasingly sophisticated as users connect ever more networked devices. In the past, home networks typically consisted of a simple router and maybe a few computers. Now, high speed wireless networks are commonplace in homes with a large number of devices: TVs, game consoles, home theater systems, and even home automation systems. This is in addition to standard computing devices such as desktops, laptops, tablets, smart phones and network-attached storage. Smart homes with many wireless sensors to improve quality of life are also emerging. However, home network devices such as routers and broadband modems have been designed for maximum performance with limited consideration of energy optimization when the devices are idle or serving low bandwidth traffic. The goal of this paper is to analyze network activity of wireless home routers, investigate opportunities for energy saving, and present mechanisms for improving the energy efficiency of wireless home routers. We analyzed five week-long traces of home network traffic and identified a number of energy saving opportunities. Through detailed trace-based simulation and implementation measurements we are able to reduce the wireless energy consumption of the home router by 12-59% while incurring only minor delay of the initial packet delivery after leaving the low energy state. Modification of an actual router's behavior shows that the proposed energy optimizations are feasible with existing clients.

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Energy Consumption of DECT-2020 NR Mesh Networks

Nihtilä

Berg²

2022

2022 Joint European Conference on Networks and Communications &Amp; 6G Summit (EuCNC/6G Summit)

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On the Effects of Transmit Power Control on the Energy Consumption of WiFi Network Cards

Cited by 7 publications

References 9 publications

Energy-Efficient Multi-Rate Opportunistic Routing in Wireless Mesh Networks

Energy-Efficient Multi-Rate Opportunistic Routing in Wireless Mesh Networks

Towards eco-friendly home networking

Energy Consumption of DECT-2020 NR Mesh Networks

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